diff --git a/style/default/js/demo/chart-area-demo.js b/style/default/js/demo/chart-area-demo.js deleted file mode 100644 index f63ff91..0000000 --- a/style/default/js/demo/chart-area-demo.js +++ /dev/null @@ -1,54 +0,0 @@ -// Set new default font family and font color to mimic Bootstrap's default styling -Chart.defaults.global.defaultFontFamily = '-apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif'; -Chart.defaults.global.defaultFontColor = '#292b2c'; - -// Area Chart Example -var ctx = document.getElementById("myAreaChart"); -var myLineChart = new Chart(ctx, { - type: 'line', - data: { - labels: ["Mar 1", "Mar 2", "Mar 3", "Mar 4", "Mar 5", "Mar 6", "Mar 7", "Mar 8", "Mar 9", "Mar 10", "Mar 11", "Mar 12", "Mar 13"], - datasets: [{ - label: "Sessions", - lineTension: 0.3, - backgroundColor: "rgba(2,117,216,0.2)", - borderColor: "rgba(2,117,216,1)", - pointRadius: 5, - pointBackgroundColor: "rgba(2,117,216,1)", - pointBorderColor: "rgba(255,255,255,0.8)", - pointHoverRadius: 5, - pointHoverBackgroundColor: "rgba(2,117,216,1)", - pointHitRadius: 50, - pointBorderWidth: 2, - data: [10000, 30162, 26263, 18394, 18287, 28682, 31274, 33259, 25849, 24159, 32651, 31984, 38451], - }], - }, - options: { - scales: { - xAxes: [{ - time: { - unit: 'date' - }, - gridLines: { - display: false - }, - ticks: { - maxTicksLimit: 7 - } - }], - yAxes: [{ - ticks: { - min: 0, - max: 40000, - maxTicksLimit: 5 - }, - gridLines: { - color: "rgba(0, 0, 0, .125)", - } - }], - }, - legend: { - display: false - } - } -}); diff --git a/style/default/js/demo/chart-bar-demo.js b/style/default/js/demo/chart-bar-demo.js deleted file mode 100644 index 049ad20..0000000 --- a/style/default/js/demo/chart-bar-demo.js +++ /dev/null @@ -1,46 +0,0 @@ -// Set new default font family and font color to mimic Bootstrap's default styling -Chart.defaults.global.defaultFontFamily = '-apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif'; -Chart.defaults.global.defaultFontColor = '#292b2c'; - -// Bar Chart Example -var ctx = document.getElementById("myBarChart"); -var myLineChart = new Chart(ctx, { - type: 'bar', - data: { - labels: ["January", "February", "March", "April", "May", "June"], - datasets: [{ - label: "Revenue", - backgroundColor: "rgba(2,117,216,1)", - borderColor: "rgba(2,117,216,1)", - data: [4215, 5312, 6251, 7841, 9821, 14984], - }], - }, - options: { - scales: { - xAxes: [{ - time: { - unit: 'month' - }, - gridLines: { - display: false - }, - ticks: { - maxTicksLimit: 6 - } - }], - yAxes: [{ - ticks: { - min: 0, - max: 15000, - maxTicksLimit: 5 - }, - gridLines: { - display: true - } - }], - }, - legend: { - display: false - } - } -}); diff --git a/style/default/js/demo/chart-pie-demo.js b/style/default/js/demo/chart-pie-demo.js deleted file mode 100644 index 4e16c41..0000000 --- a/style/default/js/demo/chart-pie-demo.js +++ /dev/null @@ -1,16 +0,0 @@ -// Set new default font family and font color to mimic Bootstrap's default styling -Chart.defaults.global.defaultFontFamily = '-apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif'; -Chart.defaults.global.defaultFontColor = '#292b2c'; - -// Pie Chart Example -var ctx = document.getElementById("myPieChart"); -var myPieChart = new Chart(ctx, { - type: 'pie', - data: { - labels: ["Blue", "Red", "Yellow", "Green"], - datasets: [{ - data: [12.21, 15.58, 11.25, 8.32], - backgroundColor: ['#007bff', '#dc3545', '#ffc107', '#28a745'], - }], - }, -}); diff --git a/style/default/js/demo/datatables-demo.js b/style/default/js/demo/datatables-demo.js deleted file mode 100644 index f2eecbf..0000000 --- a/style/default/js/demo/datatables-demo.js +++ /dev/null @@ -1,4 +0,0 @@ -// Call the dataTables jQuery plugin -$(document).ready(function() { - $('#dataTable').DataTable(); -}); diff --git a/style/default/vendor/chart.js/Chart.bundle.js b/style/default/vendor/chart.js/Chart.bundle.js deleted file mode 100644 index 622703e..0000000 --- a/style/default/vendor/chart.js/Chart.bundle.js +++ /dev/null @@ -1,19288 +0,0 @@ -/*! - * Chart.js v2.8.0 - * https://www.chartjs.org - * (c) 2019 Chart.js Contributors - * Released under the MIT License - */ -(function (global, factory) { -typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : -typeof define === 'function' && define.amd ? define(factory) : -(global.Chart = factory()); -}(this, (function () { 'use strict'; - -/* MIT license */ - -var conversions = { - rgb2hsl: rgb2hsl, - rgb2hsv: rgb2hsv, - rgb2hwb: rgb2hwb, - rgb2cmyk: rgb2cmyk, - rgb2keyword: rgb2keyword, - rgb2xyz: rgb2xyz, - rgb2lab: rgb2lab, - rgb2lch: rgb2lch, - - hsl2rgb: hsl2rgb, - hsl2hsv: hsl2hsv, - hsl2hwb: hsl2hwb, - hsl2cmyk: hsl2cmyk, - hsl2keyword: hsl2keyword, - - hsv2rgb: hsv2rgb, - hsv2hsl: hsv2hsl, - hsv2hwb: hsv2hwb, - hsv2cmyk: hsv2cmyk, - hsv2keyword: hsv2keyword, - - hwb2rgb: hwb2rgb, - hwb2hsl: hwb2hsl, - hwb2hsv: hwb2hsv, - hwb2cmyk: hwb2cmyk, - hwb2keyword: hwb2keyword, - - cmyk2rgb: cmyk2rgb, - cmyk2hsl: cmyk2hsl, - cmyk2hsv: cmyk2hsv, - cmyk2hwb: cmyk2hwb, - cmyk2keyword: cmyk2keyword, - - keyword2rgb: keyword2rgb, - keyword2hsl: keyword2hsl, - keyword2hsv: keyword2hsv, - keyword2hwb: keyword2hwb, - keyword2cmyk: keyword2cmyk, - keyword2lab: keyword2lab, - keyword2xyz: keyword2xyz, - - xyz2rgb: xyz2rgb, - xyz2lab: xyz2lab, - xyz2lch: xyz2lch, - - lab2xyz: lab2xyz, - lab2rgb: lab2rgb, - lab2lch: lab2lch, - - lch2lab: lch2lab, - lch2xyz: lch2xyz, - lch2rgb: lch2rgb -}; - - -function rgb2hsl(rgb) { - var r = rgb[0]/255, - g = rgb[1]/255, - b = rgb[2]/255, - min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s, l; - - if (max == min) - h = 0; - else if (r == max) - h = (g - b) / delta; - else if (g == max) - h = 2 + (b - r) / delta; - else if (b == max) - h = 4 + (r - g)/ delta; - - h = Math.min(h * 60, 360); - - if (h < 0) - h += 360; - - l = (min + max) / 2; - - if (max == min) - s = 0; - else if (l <= 0.5) - s = delta / (max + min); - else - s = delta / (2 - max - min); - - return [h, s * 100, l * 100]; -} - -function rgb2hsv(rgb) { - var r = rgb[0], - g = rgb[1], - b = rgb[2], - min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s, v; - - if (max == 0) - s = 0; - else - s = (delta/max * 1000)/10; - - if (max == min) - h = 0; - else if (r == max) - h = (g - b) / delta; - else if (g == max) - h = 2 + (b - r) / delta; - else if (b == max) - h = 4 + (r - g) / delta; - - h = Math.min(h * 60, 360); - - if (h < 0) - h += 360; - - v = ((max / 255) * 1000) / 10; - - return [h, s, v]; -} - -function rgb2hwb(rgb) { - var r = rgb[0], - g = rgb[1], - b = rgb[2], - h = rgb2hsl(rgb)[0], - w = 1/255 * Math.min(r, Math.min(g, b)), - b = 1 - 1/255 * Math.max(r, Math.max(g, b)); - - return [h, w * 100, b * 100]; -} - -function rgb2cmyk(rgb) { - var r = rgb[0] / 255, - g = rgb[1] / 255, - b = rgb[2] / 255, - c, m, y, k; - - k = Math.min(1 - r, 1 - g, 1 - b); - c = (1 - r - k) / (1 - k) || 0; - m = (1 - g - k) / (1 - k) || 0; - y = (1 - b - k) / (1 - k) || 0; - return [c * 100, m * 100, y * 100, k * 100]; -} - -function rgb2keyword(rgb) { - return reverseKeywords[JSON.stringify(rgb)]; -} - -function rgb2xyz(rgb) { - var r = rgb[0] / 255, - g = rgb[1] / 255, - b = rgb[2] / 255; - - // assume sRGB - r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); - g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); - b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); - - var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); - var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); - var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); - - return [x * 100, y *100, z * 100]; -} - -function rgb2lab(rgb) { - var xyz = rgb2xyz(rgb), - x = xyz[0], - y = xyz[1], - z = xyz[2], - l, a, b; - - x /= 95.047; - y /= 100; - z /= 108.883; - - x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); - y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); - z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); - - l = (116 * y) - 16; - a = 500 * (x - y); - b = 200 * (y - z); - - return [l, a, b]; -} - -function rgb2lch(args) { - return lab2lch(rgb2lab(args)); -} - -function hsl2rgb(hsl) { - var h = hsl[0] / 360, - s = hsl[1] / 100, - l = hsl[2] / 100, - t1, t2, t3, rgb, val; - - if (s == 0) { - val = l * 255; - return [val, val, val]; - } - - if (l < 0.5) - t2 = l * (1 + s); - else - t2 = l + s - l * s; - t1 = 2 * l - t2; - - rgb = [0, 0, 0]; - for (var i = 0; i < 3; i++) { - t3 = h + 1 / 3 * - (i - 1); - t3 < 0 && t3++; - t3 > 1 && t3--; - - if (6 * t3 < 1) - val = t1 + (t2 - t1) * 6 * t3; - else if (2 * t3 < 1) - val = t2; - else if (3 * t3 < 2) - val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; - else - val = t1; - - rgb[i] = val * 255; - } - - return rgb; -} - -function hsl2hsv(hsl) { - var h = hsl[0], - s = hsl[1] / 100, - l = hsl[2] / 100, - sv, v; - - if(l === 0) { - // no need to do calc on black - // also avoids divide by 0 error - return [0, 0, 0]; - } - - l *= 2; - s *= (l <= 1) ? l : 2 - l; - v = (l + s) / 2; - sv = (2 * s) / (l + s); - return [h, sv * 100, v * 100]; -} - -function hsl2hwb(args) { - return rgb2hwb(hsl2rgb(args)); -} - -function hsl2cmyk(args) { - return rgb2cmyk(hsl2rgb(args)); -} - -function hsl2keyword(args) { - return rgb2keyword(hsl2rgb(args)); -} - - -function hsv2rgb(hsv) { - var h = hsv[0] / 60, - s = hsv[1] / 100, - v = hsv[2] / 100, - hi = Math.floor(h) % 6; - - var f = h - Math.floor(h), - p = 255 * v * (1 - s), - q = 255 * v * (1 - (s * f)), - t = 255 * v * (1 - (s * (1 - f))), - v = 255 * v; - - switch(hi) { - case 0: - return [v, t, p]; - case 1: - return [q, v, p]; - case 2: - return [p, v, t]; - case 3: - return [p, q, v]; - case 4: - return [t, p, v]; - case 5: - return [v, p, q]; - } -} - -function hsv2hsl(hsv) { - var h = hsv[0], - s = hsv[1] / 100, - v = hsv[2] / 100, - sl, l; - - l = (2 - s) * v; - sl = s * v; - sl /= (l <= 1) ? l : 2 - l; - sl = sl || 0; - l /= 2; - return [h, sl * 100, l * 100]; -} - -function hsv2hwb(args) { - return rgb2hwb(hsv2rgb(args)) -} - -function hsv2cmyk(args) { - return rgb2cmyk(hsv2rgb(args)); -} - -function hsv2keyword(args) { - return rgb2keyword(hsv2rgb(args)); -} - -// http://dev.w3.org/csswg/css-color/#hwb-to-rgb -function hwb2rgb(hwb) { - var h = hwb[0] / 360, - wh = hwb[1] / 100, - bl = hwb[2] / 100, - ratio = wh + bl, - i, v, f, n; - - // wh + bl cant be > 1 - if (ratio > 1) { - wh /= ratio; - bl /= ratio; - } - - i = Math.floor(6 * h); - v = 1 - bl; - f = 6 * h - i; - if ((i & 0x01) != 0) { - f = 1 - f; - } - n = wh + f * (v - wh); // linear interpolation - - switch (i) { - default: - case 6: - case 0: r = v; g = n; b = wh; break; - case 1: r = n; g = v; b = wh; break; - case 2: r = wh; g = v; b = n; break; - case 3: r = wh; g = n; b = v; break; - case 4: r = n; g = wh; b = v; break; - case 5: r = v; g = wh; b = n; break; - } - - return [r * 255, g * 255, b * 255]; -} - -function hwb2hsl(args) { - return rgb2hsl(hwb2rgb(args)); -} - -function hwb2hsv(args) { - return rgb2hsv(hwb2rgb(args)); -} - -function hwb2cmyk(args) { - return rgb2cmyk(hwb2rgb(args)); -} - -function hwb2keyword(args) { - return rgb2keyword(hwb2rgb(args)); -} - -function cmyk2rgb(cmyk) { - var c = cmyk[0] / 100, - m = cmyk[1] / 100, - y = cmyk[2] / 100, - k = cmyk[3] / 100, - r, g, b; - - r = 1 - Math.min(1, c * (1 - k) + k); - g = 1 - Math.min(1, m * (1 - k) + k); - b = 1 - Math.min(1, y * (1 - k) + k); - return [r * 255, g * 255, b * 255]; -} - -function cmyk2hsl(args) { - return rgb2hsl(cmyk2rgb(args)); -} - -function cmyk2hsv(args) { - return rgb2hsv(cmyk2rgb(args)); -} - -function cmyk2hwb(args) { - return rgb2hwb(cmyk2rgb(args)); -} - -function cmyk2keyword(args) { - return rgb2keyword(cmyk2rgb(args)); -} - - -function xyz2rgb(xyz) { - var x = xyz[0] / 100, - y = xyz[1] / 100, - z = xyz[2] / 100, - r, g, b; - - r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); - g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); - b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); - - // assume sRGB - r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) - : r = (r * 12.92); - - g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) - : g = (g * 12.92); - - b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) - : b = (b * 12.92); - - r = Math.min(Math.max(0, r), 1); - g = Math.min(Math.max(0, g), 1); - b = Math.min(Math.max(0, b), 1); - - return [r * 255, g * 255, b * 255]; -} - -function xyz2lab(xyz) { - var x = xyz[0], - y = xyz[1], - z = xyz[2], - l, a, b; - - x /= 95.047; - y /= 100; - z /= 108.883; - - x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); - y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); - z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); - - l = (116 * y) - 16; - a = 500 * (x - y); - b = 200 * (y - z); - - return [l, a, b]; -} - -function xyz2lch(args) { - return lab2lch(xyz2lab(args)); -} - -function lab2xyz(lab) { - var l = lab[0], - a = lab[1], - b = lab[2], - x, y, z, y2; - - if (l <= 8) { - y = (l * 100) / 903.3; - y2 = (7.787 * (y / 100)) + (16 / 116); - } else { - y = 100 * Math.pow((l + 16) / 116, 3); - y2 = Math.pow(y / 100, 1/3); - } - - x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3); - - z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3); - - return [x, y, z]; -} - -function lab2lch(lab) { - var l = lab[0], - a = lab[1], - b = lab[2], - hr, h, c; - - hr = Math.atan2(b, a); - h = hr * 360 / 2 / Math.PI; - if (h < 0) { - h += 360; - } - c = Math.sqrt(a * a + b * b); - return [l, c, h]; -} - -function lab2rgb(args) { - return xyz2rgb(lab2xyz(args)); -} - -function lch2lab(lch) { - var l = lch[0], - c = lch[1], - h = lch[2], - a, b, hr; - - hr = h / 360 * 2 * Math.PI; - a = c * Math.cos(hr); - b = c * Math.sin(hr); - return [l, a, b]; -} - -function lch2xyz(args) { - return lab2xyz(lch2lab(args)); -} - -function lch2rgb(args) { - return lab2rgb(lch2lab(args)); -} - -function keyword2rgb(keyword) { - return cssKeywords[keyword]; -} - -function keyword2hsl(args) { - return rgb2hsl(keyword2rgb(args)); -} - -function keyword2hsv(args) { - return rgb2hsv(keyword2rgb(args)); -} - -function keyword2hwb(args) { - return rgb2hwb(keyword2rgb(args)); -} - -function keyword2cmyk(args) { - return rgb2cmyk(keyword2rgb(args)); -} - -function keyword2lab(args) { - return rgb2lab(keyword2rgb(args)); -} - -function keyword2xyz(args) { - return rgb2xyz(keyword2rgb(args)); -} - -var cssKeywords = { - aliceblue: [240,248,255], - antiquewhite: [250,235,215], - aqua: [0,255,255], - aquamarine: [127,255,212], - azure: [240,255,255], - beige: [245,245,220], - bisque: [255,228,196], - black: [0,0,0], - blanchedalmond: [255,235,205], - blue: [0,0,255], - blueviolet: [138,43,226], - brown: [165,42,42], - burlywood: [222,184,135], - cadetblue: [95,158,160], - chartreuse: [127,255,0], - chocolate: [210,105,30], - coral: [255,127,80], - cornflowerblue: [100,149,237], - cornsilk: [255,248,220], - crimson: [220,20,60], - cyan: [0,255,255], - darkblue: [0,0,139], - darkcyan: [0,139,139], - darkgoldenrod: [184,134,11], - darkgray: [169,169,169], - darkgreen: [0,100,0], - darkgrey: [169,169,169], - darkkhaki: [189,183,107], - darkmagenta: [139,0,139], - darkolivegreen: [85,107,47], - darkorange: [255,140,0], - darkorchid: [153,50,204], - darkred: [139,0,0], - darksalmon: [233,150,122], - darkseagreen: [143,188,143], - darkslateblue: [72,61,139], - darkslategray: [47,79,79], - darkslategrey: [47,79,79], - darkturquoise: [0,206,209], - darkviolet: [148,0,211], - deeppink: [255,20,147], - deepskyblue: [0,191,255], - dimgray: [105,105,105], - dimgrey: [105,105,105], - dodgerblue: [30,144,255], - firebrick: [178,34,34], - floralwhite: [255,250,240], - forestgreen: [34,139,34], - fuchsia: [255,0,255], - gainsboro: [220,220,220], - ghostwhite: [248,248,255], - gold: [255,215,0], - goldenrod: [218,165,32], - gray: [128,128,128], - green: [0,128,0], - greenyellow: [173,255,47], - grey: [128,128,128], - honeydew: [240,255,240], - hotpink: [255,105,180], - indianred: [205,92,92], - indigo: [75,0,130], - ivory: [255,255,240], - khaki: [240,230,140], - lavender: [230,230,250], - lavenderblush: [255,240,245], - lawngreen: [124,252,0], - lemonchiffon: [255,250,205], - lightblue: [173,216,230], - lightcoral: [240,128,128], - lightcyan: [224,255,255], - lightgoldenrodyellow: [250,250,210], - lightgray: [211,211,211], - lightgreen: [144,238,144], - lightgrey: [211,211,211], - lightpink: [255,182,193], - lightsalmon: [255,160,122], - lightseagreen: [32,178,170], - lightskyblue: [135,206,250], - lightslategray: [119,136,153], - lightslategrey: [119,136,153], - lightsteelblue: [176,196,222], - lightyellow: [255,255,224], - lime: [0,255,0], - limegreen: [50,205,50], - linen: [250,240,230], - magenta: [255,0,255], - maroon: [128,0,0], - mediumaquamarine: [102,205,170], - mediumblue: [0,0,205], - mediumorchid: [186,85,211], - mediumpurple: [147,112,219], - mediumseagreen: [60,179,113], - mediumslateblue: [123,104,238], - mediumspringgreen: [0,250,154], - mediumturquoise: [72,209,204], - mediumvioletred: [199,21,133], - midnightblue: [25,25,112], - mintcream: [245,255,250], - mistyrose: [255,228,225], - moccasin: [255,228,181], - navajowhite: [255,222,173], - navy: [0,0,128], - oldlace: [253,245,230], - olive: [128,128,0], - olivedrab: [107,142,35], - orange: [255,165,0], - orangered: [255,69,0], - orchid: [218,112,214], - palegoldenrod: [238,232,170], - palegreen: [152,251,152], - paleturquoise: [175,238,238], - palevioletred: [219,112,147], - papayawhip: [255,239,213], - peachpuff: [255,218,185], - peru: [205,133,63], - pink: [255,192,203], - plum: [221,160,221], - powderblue: [176,224,230], - purple: [128,0,128], - rebeccapurple: [102, 51, 153], - red: [255,0,0], - rosybrown: [188,143,143], - royalblue: [65,105,225], - saddlebrown: [139,69,19], - salmon: [250,128,114], - sandybrown: [244,164,96], - seagreen: [46,139,87], - seashell: [255,245,238], - sienna: [160,82,45], - silver: [192,192,192], - skyblue: [135,206,235], - slateblue: [106,90,205], - slategray: [112,128,144], - slategrey: [112,128,144], - snow: [255,250,250], - springgreen: [0,255,127], - steelblue: [70,130,180], - tan: [210,180,140], - teal: [0,128,128], - thistle: [216,191,216], - tomato: [255,99,71], - turquoise: [64,224,208], - violet: [238,130,238], - wheat: [245,222,179], - white: [255,255,255], - whitesmoke: [245,245,245], - yellow: [255,255,0], - yellowgreen: [154,205,50] -}; - -var reverseKeywords = {}; -for (var key in cssKeywords) { - reverseKeywords[JSON.stringify(cssKeywords[key])] = key; -} - -var convert = function() { - return new Converter(); -}; - -for (var func in conversions) { - // export Raw versions - convert[func + "Raw"] = (function(func) { - // accept array or plain args - return function(arg) { - if (typeof arg == "number") - arg = Array.prototype.slice.call(arguments); - return conversions[func](arg); - } - })(func); - - var pair = /(\w+)2(\w+)/.exec(func), - from = pair[1], - to = pair[2]; - - // export rgb2hsl and ["rgb"]["hsl"] - convert[from] = convert[from] || {}; - - convert[from][to] = convert[func] = (function(func) { - return function(arg) { - if (typeof arg == "number") - arg = Array.prototype.slice.call(arguments); - - var val = conversions[func](arg); - if (typeof val == "string" || val === undefined) - return val; // keyword - - for (var i = 0; i < val.length; i++) - val[i] = Math.round(val[i]); - return val; - } - })(func); -} - - -/* Converter does lazy conversion and caching */ -var Converter = function() { - this.convs = {}; -}; - -/* Either get the values for a space or - set the values for a space, depending on args */ -Converter.prototype.routeSpace = function(space, args) { - var values = args[0]; - if (values === undefined) { - // color.rgb() - return this.getValues(space); - } - // color.rgb(10, 10, 10) - if (typeof values == "number") { - values = Array.prototype.slice.call(args); - } - - return this.setValues(space, values); -}; - -/* Set the values for a space, invalidating cache */ -Converter.prototype.setValues = function(space, values) { - this.space = space; - this.convs = {}; - this.convs[space] = values; - return this; -}; - -/* Get the values for a space. If there's already - a conversion for the space, fetch it, otherwise - compute it */ -Converter.prototype.getValues = function(space) { - var vals = this.convs[space]; - if (!vals) { - var fspace = this.space, - from = this.convs[fspace]; - vals = convert[fspace][space](from); - - this.convs[space] = vals; - } - return vals; -}; - -["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) { - Converter.prototype[space] = function(vals) { - return this.routeSpace(space, arguments); - }; -}); - -var colorConvert = convert; - -var colorName = { - "aliceblue": [240, 248, 255], - "antiquewhite": [250, 235, 215], - "aqua": [0, 255, 255], - "aquamarine": [127, 255, 212], - "azure": [240, 255, 255], - "beige": [245, 245, 220], - "bisque": [255, 228, 196], - "black": [0, 0, 0], - "blanchedalmond": [255, 235, 205], - "blue": [0, 0, 255], - "blueviolet": [138, 43, 226], - "brown": [165, 42, 42], - "burlywood": [222, 184, 135], - "cadetblue": [95, 158, 160], - "chartreuse": [127, 255, 0], - "chocolate": [210, 105, 30], - "coral": [255, 127, 80], - "cornflowerblue": [100, 149, 237], - "cornsilk": [255, 248, 220], - "crimson": [220, 20, 60], - "cyan": [0, 255, 255], - "darkblue": [0, 0, 139], - "darkcyan": [0, 139, 139], - "darkgoldenrod": [184, 134, 11], - "darkgray": [169, 169, 169], - "darkgreen": [0, 100, 0], - "darkgrey": [169, 169, 169], - "darkkhaki": [189, 183, 107], - "darkmagenta": [139, 0, 139], - "darkolivegreen": [85, 107, 47], - "darkorange": [255, 140, 0], - "darkorchid": [153, 50, 204], - "darkred": [139, 0, 0], - "darksalmon": [233, 150, 122], - "darkseagreen": [143, 188, 143], - "darkslateblue": [72, 61, 139], - "darkslategray": [47, 79, 79], - "darkslategrey": [47, 79, 79], - "darkturquoise": [0, 206, 209], - "darkviolet": [148, 0, 211], - "deeppink": [255, 20, 147], - "deepskyblue": [0, 191, 255], - "dimgray": [105, 105, 105], - "dimgrey": [105, 105, 105], - "dodgerblue": [30, 144, 255], - "firebrick": [178, 34, 34], - "floralwhite": [255, 250, 240], - "forestgreen": [34, 139, 34], - "fuchsia": [255, 0, 255], - "gainsboro": [220, 220, 220], - "ghostwhite": [248, 248, 255], - "gold": [255, 215, 0], - "goldenrod": [218, 165, 32], - "gray": [128, 128, 128], - "green": [0, 128, 0], - "greenyellow": [173, 255, 47], - "grey": [128, 128, 128], - "honeydew": [240, 255, 240], - "hotpink": [255, 105, 180], - "indianred": [205, 92, 92], - "indigo": [75, 0, 130], - "ivory": [255, 255, 240], - "khaki": [240, 230, 140], - "lavender": [230, 230, 250], - "lavenderblush": [255, 240, 245], - "lawngreen": [124, 252, 0], - "lemonchiffon": [255, 250, 205], - "lightblue": [173, 216, 230], - "lightcoral": [240, 128, 128], - "lightcyan": [224, 255, 255], - "lightgoldenrodyellow": [250, 250, 210], - "lightgray": [211, 211, 211], - "lightgreen": [144, 238, 144], - "lightgrey": [211, 211, 211], - "lightpink": [255, 182, 193], - "lightsalmon": [255, 160, 122], - "lightseagreen": [32, 178, 170], - "lightskyblue": [135, 206, 250], - "lightslategray": [119, 136, 153], - "lightslategrey": [119, 136, 153], - "lightsteelblue": [176, 196, 222], - "lightyellow": [255, 255, 224], - "lime": [0, 255, 0], - "limegreen": [50, 205, 50], - "linen": [250, 240, 230], - "magenta": [255, 0, 255], - "maroon": [128, 0, 0], - "mediumaquamarine": [102, 205, 170], - "mediumblue": [0, 0, 205], - "mediumorchid": [186, 85, 211], - "mediumpurple": [147, 112, 219], - "mediumseagreen": [60, 179, 113], - "mediumslateblue": [123, 104, 238], - "mediumspringgreen": [0, 250, 154], - "mediumturquoise": [72, 209, 204], - "mediumvioletred": [199, 21, 133], - "midnightblue": [25, 25, 112], - "mintcream": [245, 255, 250], - "mistyrose": [255, 228, 225], - "moccasin": [255, 228, 181], - "navajowhite": [255, 222, 173], - "navy": [0, 0, 128], - "oldlace": [253, 245, 230], - "olive": [128, 128, 0], - "olivedrab": [107, 142, 35], - "orange": [255, 165, 0], - "orangered": [255, 69, 0], - "orchid": [218, 112, 214], - "palegoldenrod": [238, 232, 170], - "palegreen": [152, 251, 152], - "paleturquoise": [175, 238, 238], - "palevioletred": [219, 112, 147], - "papayawhip": [255, 239, 213], - "peachpuff": [255, 218, 185], - "peru": [205, 133, 63], - "pink": [255, 192, 203], - "plum": [221, 160, 221], - "powderblue": [176, 224, 230], - "purple": [128, 0, 128], - "rebeccapurple": [102, 51, 153], - "red": [255, 0, 0], - "rosybrown": [188, 143, 143], - "royalblue": [65, 105, 225], - "saddlebrown": [139, 69, 19], - "salmon": [250, 128, 114], - "sandybrown": [244, 164, 96], - "seagreen": [46, 139, 87], - "seashell": [255, 245, 238], - "sienna": [160, 82, 45], - "silver": [192, 192, 192], - "skyblue": [135, 206, 235], - "slateblue": [106, 90, 205], - "slategray": [112, 128, 144], - "slategrey": [112, 128, 144], - "snow": [255, 250, 250], - "springgreen": [0, 255, 127], - "steelblue": [70, 130, 180], - "tan": [210, 180, 140], - "teal": [0, 128, 128], - "thistle": [216, 191, 216], - "tomato": [255, 99, 71], - "turquoise": [64, 224, 208], - "violet": [238, 130, 238], - "wheat": [245, 222, 179], - "white": [255, 255, 255], - "whitesmoke": [245, 245, 245], - "yellow": [255, 255, 0], - "yellowgreen": [154, 205, 50] -}; - -/* MIT license */ - - -var colorString = { - getRgba: getRgba, - getHsla: getHsla, - getRgb: getRgb, - getHsl: getHsl, - getHwb: getHwb, - getAlpha: getAlpha, - - hexString: hexString, - rgbString: rgbString, - rgbaString: rgbaString, - percentString: percentString, - percentaString: percentaString, - hslString: hslString, - hslaString: hslaString, - hwbString: hwbString, - keyword: keyword -}; - -function getRgba(string) { - if (!string) { - return; - } - var abbr = /^#([a-fA-F0-9]{3,4})$/i, - hex = /^#([a-fA-F0-9]{6}([a-fA-F0-9]{2})?)$/i, - rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i, - per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i, - keyword = /(\w+)/; - - var rgb = [0, 0, 0], - a = 1, - match = string.match(abbr), - hexAlpha = ""; - if (match) { - match = match[1]; - hexAlpha = match[3]; - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match[i] + match[i], 16); - } - if (hexAlpha) { - a = Math.round((parseInt(hexAlpha + hexAlpha, 16) / 255) * 100) / 100; - } - } - else if (match = string.match(hex)) { - hexAlpha = match[2]; - match = match[1]; - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16); - } - if (hexAlpha) { - a = Math.round((parseInt(hexAlpha, 16) / 255) * 100) / 100; - } - } - else if (match = string.match(rgba)) { - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match[i + 1]); - } - a = parseFloat(match[4]); - } - else if (match = string.match(per)) { - for (var i = 0; i < rgb.length; i++) { - rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55); - } - a = parseFloat(match[4]); - } - else if (match = string.match(keyword)) { - if (match[1] == "transparent") { - return [0, 0, 0, 0]; - } - rgb = colorName[match[1]]; - if (!rgb) { - return; - } - } - - for (var i = 0; i < rgb.length; i++) { - rgb[i] = scale(rgb[i], 0, 255); - } - if (!a && a != 0) { - a = 1; - } - else { - a = scale(a, 0, 1); - } - rgb[3] = a; - return rgb; -} - -function getHsla(string) { - if (!string) { - return; - } - var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; - var match = string.match(hsl); - if (match) { - var alpha = parseFloat(match[4]); - var h = scale(parseInt(match[1]), 0, 360), - s = scale(parseFloat(match[2]), 0, 100), - l = scale(parseFloat(match[3]), 0, 100), - a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); - return [h, s, l, a]; - } -} - -function getHwb(string) { - if (!string) { - return; - } - var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; - var match = string.match(hwb); - if (match) { - var alpha = parseFloat(match[4]); - var h = scale(parseInt(match[1]), 0, 360), - w = scale(parseFloat(match[2]), 0, 100), - b = scale(parseFloat(match[3]), 0, 100), - a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); - return [h, w, b, a]; - } -} - -function getRgb(string) { - var rgba = getRgba(string); - return rgba && rgba.slice(0, 3); -} - -function getHsl(string) { - var hsla = getHsla(string); - return hsla && hsla.slice(0, 3); -} - -function getAlpha(string) { - var vals = getRgba(string); - if (vals) { - return vals[3]; - } - else if (vals = getHsla(string)) { - return vals[3]; - } - else if (vals = getHwb(string)) { - return vals[3]; - } -} - -// generators -function hexString(rgba, a) { - var a = (a !== undefined && rgba.length === 3) ? a : rgba[3]; - return "#" + hexDouble(rgba[0]) - + hexDouble(rgba[1]) - + hexDouble(rgba[2]) - + ( - (a >= 0 && a < 1) - ? hexDouble(Math.round(a * 255)) - : "" - ); -} - -function rgbString(rgba, alpha) { - if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { - return rgbaString(rgba, alpha); - } - return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")"; -} - -function rgbaString(rgba, alpha) { - if (alpha === undefined) { - alpha = (rgba[3] !== undefined ? rgba[3] : 1); - } - return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] - + ", " + alpha + ")"; -} - -function percentString(rgba, alpha) { - if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { - return percentaString(rgba, alpha); - } - var r = Math.round(rgba[0]/255 * 100), - g = Math.round(rgba[1]/255 * 100), - b = Math.round(rgba[2]/255 * 100); - - return "rgb(" + r + "%, " + g + "%, " + b + "%)"; -} - -function percentaString(rgba, alpha) { - var r = Math.round(rgba[0]/255 * 100), - g = Math.round(rgba[1]/255 * 100), - b = Math.round(rgba[2]/255 * 100); - return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")"; -} - -function hslString(hsla, alpha) { - if (alpha < 1 || (hsla[3] && hsla[3] < 1)) { - return hslaString(hsla, alpha); - } - return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)"; -} - -function hslaString(hsla, alpha) { - if (alpha === undefined) { - alpha = (hsla[3] !== undefined ? hsla[3] : 1); - } - return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, " - + alpha + ")"; -} - -// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax -// (hwb have alpha optional & 1 is default value) -function hwbString(hwb, alpha) { - if (alpha === undefined) { - alpha = (hwb[3] !== undefined ? hwb[3] : 1); - } - return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%" - + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")"; -} - -function keyword(rgb) { - return reverseNames[rgb.slice(0, 3)]; -} - -// helpers -function scale(num, min, max) { - return Math.min(Math.max(min, num), max); -} - -function hexDouble(num) { - var str = num.toString(16).toUpperCase(); - return (str.length < 2) ? "0" + str : str; -} - - -//create a list of reverse color names -var reverseNames = {}; -for (var name in colorName) { - reverseNames[colorName[name]] = name; -} - -/* MIT license */ - - - -var Color = function (obj) { - if (obj instanceof Color) { - return obj; - } - if (!(this instanceof Color)) { - return new Color(obj); - } - - this.valid = false; - this.values = { - rgb: [0, 0, 0], - hsl: [0, 0, 0], - hsv: [0, 0, 0], - hwb: [0, 0, 0], - cmyk: [0, 0, 0, 0], - alpha: 1 - }; - - // parse Color() argument - var vals; - if (typeof obj === 'string') { - vals = colorString.getRgba(obj); - if (vals) { - this.setValues('rgb', vals); - } else if (vals = colorString.getHsla(obj)) { - this.setValues('hsl', vals); - } else if (vals = colorString.getHwb(obj)) { - this.setValues('hwb', vals); - } - } else if (typeof obj === 'object') { - vals = obj; - if (vals.r !== undefined || vals.red !== undefined) { - this.setValues('rgb', vals); - } else if (vals.l !== undefined || vals.lightness !== undefined) { - this.setValues('hsl', vals); - } else if (vals.v !== undefined || vals.value !== undefined) { - this.setValues('hsv', vals); - } else if (vals.w !== undefined || vals.whiteness !== undefined) { - this.setValues('hwb', vals); - } else if (vals.c !== undefined || vals.cyan !== undefined) { - this.setValues('cmyk', vals); - } - } -}; - -Color.prototype = { - isValid: function () { - return this.valid; - }, - rgb: function () { - return this.setSpace('rgb', arguments); - }, - hsl: function () { - return this.setSpace('hsl', arguments); - }, - hsv: function () { - return this.setSpace('hsv', arguments); - }, - hwb: function () { - return this.setSpace('hwb', arguments); - }, - cmyk: function () { - return this.setSpace('cmyk', arguments); - }, - - rgbArray: function () { - return this.values.rgb; - }, - hslArray: function () { - return this.values.hsl; - }, - hsvArray: function () { - return this.values.hsv; - }, - hwbArray: function () { - var values = this.values; - if (values.alpha !== 1) { - return values.hwb.concat([values.alpha]); - } - return values.hwb; - }, - cmykArray: function () { - return this.values.cmyk; - }, - rgbaArray: function () { - var values = this.values; - return values.rgb.concat([values.alpha]); - }, - hslaArray: function () { - var values = this.values; - return values.hsl.concat([values.alpha]); - }, - alpha: function (val) { - if (val === undefined) { - return this.values.alpha; - } - this.setValues('alpha', val); - return this; - }, - - red: function (val) { - return this.setChannel('rgb', 0, val); - }, - green: function (val) { - return this.setChannel('rgb', 1, val); - }, - blue: function (val) { - return this.setChannel('rgb', 2, val); - }, - hue: function (val) { - if (val) { - val %= 360; - val = val < 0 ? 360 + val : val; - } - return this.setChannel('hsl', 0, val); - }, - saturation: function (val) { - return this.setChannel('hsl', 1, val); - }, - lightness: function (val) { - return this.setChannel('hsl', 2, val); - }, - saturationv: function (val) { - return this.setChannel('hsv', 1, val); - }, - whiteness: function (val) { - return this.setChannel('hwb', 1, val); - }, - blackness: function (val) { - return this.setChannel('hwb', 2, val); - }, - value: function (val) { - return this.setChannel('hsv', 2, val); - }, - cyan: function (val) { - return this.setChannel('cmyk', 0, val); - }, - magenta: function (val) { - return this.setChannel('cmyk', 1, val); - }, - yellow: function (val) { - return this.setChannel('cmyk', 2, val); - }, - black: function (val) { - return this.setChannel('cmyk', 3, val); - }, - - hexString: function () { - return colorString.hexString(this.values.rgb); - }, - rgbString: function () { - return colorString.rgbString(this.values.rgb, this.values.alpha); - }, - rgbaString: function () { - return colorString.rgbaString(this.values.rgb, this.values.alpha); - }, - percentString: function () { - return colorString.percentString(this.values.rgb, this.values.alpha); - }, - hslString: function () { - return colorString.hslString(this.values.hsl, this.values.alpha); - }, - hslaString: function () { - return colorString.hslaString(this.values.hsl, this.values.alpha); - }, - hwbString: function () { - return colorString.hwbString(this.values.hwb, this.values.alpha); - }, - keyword: function () { - return colorString.keyword(this.values.rgb, this.values.alpha); - }, - - rgbNumber: function () { - var rgb = this.values.rgb; - return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2]; - }, - - luminosity: function () { - // http://www.w3.org/TR/WCAG20/#relativeluminancedef - var rgb = this.values.rgb; - var lum = []; - for (var i = 0; i < rgb.length; i++) { - var chan = rgb[i] / 255; - lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4); - } - return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2]; - }, - - contrast: function (color2) { - // http://www.w3.org/TR/WCAG20/#contrast-ratiodef - var lum1 = this.luminosity(); - var lum2 = color2.luminosity(); - if (lum1 > lum2) { - return (lum1 + 0.05) / (lum2 + 0.05); - } - return (lum2 + 0.05) / (lum1 + 0.05); - }, - - level: function (color2) { - var contrastRatio = this.contrast(color2); - if (contrastRatio >= 7.1) { - return 'AAA'; - } - - return (contrastRatio >= 4.5) ? 'AA' : ''; - }, - - dark: function () { - // YIQ equation from http://24ways.org/2010/calculating-color-contrast - var rgb = this.values.rgb; - var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; - return yiq < 128; - }, - - light: function () { - return !this.dark(); - }, - - negate: function () { - var rgb = []; - for (var i = 0; i < 3; i++) { - rgb[i] = 255 - this.values.rgb[i]; - } - this.setValues('rgb', rgb); - return this; - }, - - lighten: function (ratio) { - var hsl = this.values.hsl; - hsl[2] += hsl[2] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - darken: function (ratio) { - var hsl = this.values.hsl; - hsl[2] -= hsl[2] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - saturate: function (ratio) { - var hsl = this.values.hsl; - hsl[1] += hsl[1] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - desaturate: function (ratio) { - var hsl = this.values.hsl; - hsl[1] -= hsl[1] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - whiten: function (ratio) { - var hwb = this.values.hwb; - hwb[1] += hwb[1] * ratio; - this.setValues('hwb', hwb); - return this; - }, - - blacken: function (ratio) { - var hwb = this.values.hwb; - hwb[2] += hwb[2] * ratio; - this.setValues('hwb', hwb); - return this; - }, - - greyscale: function () { - var rgb = this.values.rgb; - // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale - var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; - this.setValues('rgb', [val, val, val]); - return this; - }, - - clearer: function (ratio) { - var alpha = this.values.alpha; - this.setValues('alpha', alpha - (alpha * ratio)); - return this; - }, - - opaquer: function (ratio) { - var alpha = this.values.alpha; - this.setValues('alpha', alpha + (alpha * ratio)); - return this; - }, - - rotate: function (degrees) { - var hsl = this.values.hsl; - var hue = (hsl[0] + degrees) % 360; - hsl[0] = hue < 0 ? 360 + hue : hue; - this.setValues('hsl', hsl); - return this; - }, - - /** - * Ported from sass implementation in C - * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209 - */ - mix: function (mixinColor, weight) { - var color1 = this; - var color2 = mixinColor; - var p = weight === undefined ? 0.5 : weight; - - var w = 2 * p - 1; - var a = color1.alpha() - color2.alpha(); - - var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; - var w2 = 1 - w1; - - return this - .rgb( - w1 * color1.red() + w2 * color2.red(), - w1 * color1.green() + w2 * color2.green(), - w1 * color1.blue() + w2 * color2.blue() - ) - .alpha(color1.alpha() * p + color2.alpha() * (1 - p)); - }, - - toJSON: function () { - return this.rgb(); - }, - - clone: function () { - // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify, - // making the final build way to big to embed in Chart.js. So let's do it manually, - // assuming that values to clone are 1 dimension arrays containing only numbers, - // except 'alpha' which is a number. - var result = new Color(); - var source = this.values; - var target = result.values; - var value, type; - - for (var prop in source) { - if (source.hasOwnProperty(prop)) { - value = source[prop]; - type = ({}).toString.call(value); - if (type === '[object Array]') { - target[prop] = value.slice(0); - } else if (type === '[object Number]') { - target[prop] = value; - } else { - console.error('unexpected color value:', value); - } - } - } - - return result; - } -}; - -Color.prototype.spaces = { - rgb: ['red', 'green', 'blue'], - hsl: ['hue', 'saturation', 'lightness'], - hsv: ['hue', 'saturation', 'value'], - hwb: ['hue', 'whiteness', 'blackness'], - cmyk: ['cyan', 'magenta', 'yellow', 'black'] -}; - -Color.prototype.maxes = { - rgb: [255, 255, 255], - hsl: [360, 100, 100], - hsv: [360, 100, 100], - hwb: [360, 100, 100], - cmyk: [100, 100, 100, 100] -}; - -Color.prototype.getValues = function (space) { - var values = this.values; - var vals = {}; - - for (var i = 0; i < space.length; i++) { - vals[space.charAt(i)] = values[space][i]; - } - - if (values.alpha !== 1) { - vals.a = values.alpha; - } - - // {r: 255, g: 255, b: 255, a: 0.4} - return vals; -}; - -Color.prototype.setValues = function (space, vals) { - var values = this.values; - var spaces = this.spaces; - var maxes = this.maxes; - var alpha = 1; - var i; - - this.valid = true; - - if (space === 'alpha') { - alpha = vals; - } else if (vals.length) { - // [10, 10, 10] - values[space] = vals.slice(0, space.length); - alpha = vals[space.length]; - } else if (vals[space.charAt(0)] !== undefined) { - // {r: 10, g: 10, b: 10} - for (i = 0; i < space.length; i++) { - values[space][i] = vals[space.charAt(i)]; - } - - alpha = vals.a; - } else if (vals[spaces[space][0]] !== undefined) { - // {red: 10, green: 10, blue: 10} - var chans = spaces[space]; - - for (i = 0; i < space.length; i++) { - values[space][i] = vals[chans[i]]; - } - - alpha = vals.alpha; - } - - values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha))); - - if (space === 'alpha') { - return false; - } - - var capped; - - // cap values of the space prior converting all values - for (i = 0; i < space.length; i++) { - capped = Math.max(0, Math.min(maxes[space][i], values[space][i])); - values[space][i] = Math.round(capped); - } - - // convert to all the other color spaces - for (var sname in spaces) { - if (sname !== space) { - values[sname] = colorConvert[space][sname](values[space]); - } - } - - return true; -}; - -Color.prototype.setSpace = function (space, args) { - var vals = args[0]; - - if (vals === undefined) { - // color.rgb() - return this.getValues(space); - } - - // color.rgb(10, 10, 10) - if (typeof vals === 'number') { - vals = Array.prototype.slice.call(args); - } - - this.setValues(space, vals); - return this; -}; - -Color.prototype.setChannel = function (space, index, val) { - var svalues = this.values[space]; - if (val === undefined) { - // color.red() - return svalues[index]; - } else if (val === svalues[index]) { - // color.red(color.red()) - return this; - } - - // color.red(100) - svalues[index] = val; - this.setValues(space, svalues); - - return this; -}; - -if (typeof window !== 'undefined') { - window.Color = Color; -} - -var chartjsColor = Color; - -/** - * @namespace Chart.helpers - */ -var helpers = { - /** - * An empty function that can be used, for example, for optional callback. - */ - noop: function() {}, - - /** - * Returns a unique id, sequentially generated from a global variable. - * @returns {number} - * @function - */ - uid: (function() { - var id = 0; - return function() { - return id++; - }; - }()), - - /** - * Returns true if `value` is neither null nor undefined, else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @since 2.7.0 - */ - isNullOrUndef: function(value) { - return value === null || typeof value === 'undefined'; - }, - - /** - * Returns true if `value` is an array (including typed arrays), else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @function - */ - isArray: function(value) { - if (Array.isArray && Array.isArray(value)) { - return true; - } - var type = Object.prototype.toString.call(value); - if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') { - return true; - } - return false; - }, - - /** - * Returns true if `value` is an object (excluding null), else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @since 2.7.0 - */ - isObject: function(value) { - return value !== null && Object.prototype.toString.call(value) === '[object Object]'; - }, - - /** - * Returns true if `value` is a finite number, else returns false - * @param {*} value - The value to test. - * @returns {boolean} - */ - isFinite: function(value) { - return (typeof value === 'number' || value instanceof Number) && isFinite(value); - }, - - /** - * Returns `value` if defined, else returns `defaultValue`. - * @param {*} value - The value to return if defined. - * @param {*} defaultValue - The value to return if `value` is undefined. - * @returns {*} - */ - valueOrDefault: function(value, defaultValue) { - return typeof value === 'undefined' ? defaultValue : value; - }, - - /** - * Returns value at the given `index` in array if defined, else returns `defaultValue`. - * @param {Array} value - The array to lookup for value at `index`. - * @param {number} index - The index in `value` to lookup for value. - * @param {*} defaultValue - The value to return if `value[index]` is undefined. - * @returns {*} - */ - valueAtIndexOrDefault: function(value, index, defaultValue) { - return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue); - }, - - /** - * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the - * value returned by `fn`. If `fn` is not a function, this method returns undefined. - * @param {function} fn - The function to call. - * @param {Array|undefined|null} args - The arguments with which `fn` should be called. - * @param {object} [thisArg] - The value of `this` provided for the call to `fn`. - * @returns {*} - */ - callback: function(fn, args, thisArg) { - if (fn && typeof fn.call === 'function') { - return fn.apply(thisArg, args); - } - }, - - /** - * Note(SB) for performance sake, this method should only be used when loopable type - * is unknown or in none intensive code (not called often and small loopable). Else - * it's preferable to use a regular for() loop and save extra function calls. - * @param {object|Array} loopable - The object or array to be iterated. - * @param {function} fn - The function to call for each item. - * @param {object} [thisArg] - The value of `this` provided for the call to `fn`. - * @param {boolean} [reverse] - If true, iterates backward on the loopable. - */ - each: function(loopable, fn, thisArg, reverse) { - var i, len, keys; - if (helpers.isArray(loopable)) { - len = loopable.length; - if (reverse) { - for (i = len - 1; i >= 0; i--) { - fn.call(thisArg, loopable[i], i); - } - } else { - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[i], i); - } - } - } else if (helpers.isObject(loopable)) { - keys = Object.keys(loopable); - len = keys.length; - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[keys[i]], keys[i]); - } - } - }, - - /** - * Returns true if the `a0` and `a1` arrays have the same content, else returns false. - * @see https://stackoverflow.com/a/14853974 - * @param {Array} a0 - The array to compare - * @param {Array} a1 - The array to compare - * @returns {boolean} - */ - arrayEquals: function(a0, a1) { - var i, ilen, v0, v1; - - if (!a0 || !a1 || a0.length !== a1.length) { - return false; - } - - for (i = 0, ilen = a0.length; i < ilen; ++i) { - v0 = a0[i]; - v1 = a1[i]; - - if (v0 instanceof Array && v1 instanceof Array) { - if (!helpers.arrayEquals(v0, v1)) { - return false; - } - } else if (v0 !== v1) { - // NOTE: two different object instances will never be equal: {x:20} != {x:20} - return false; - } - } - - return true; - }, - - /** - * Returns a deep copy of `source` without keeping references on objects and arrays. - * @param {*} source - The value to clone. - * @returns {*} - */ - clone: function(source) { - if (helpers.isArray(source)) { - return source.map(helpers.clone); - } - - if (helpers.isObject(source)) { - var target = {}; - var keys = Object.keys(source); - var klen = keys.length; - var k = 0; - - for (; k < klen; ++k) { - target[keys[k]] = helpers.clone(source[keys[k]]); - } - - return target; - } - - return source; - }, - - /** - * The default merger when Chart.helpers.merge is called without merger option. - * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback. - * @private - */ - _merger: function(key, target, source, options) { - var tval = target[key]; - var sval = source[key]; - - if (helpers.isObject(tval) && helpers.isObject(sval)) { - helpers.merge(tval, sval, options); - } else { - target[key] = helpers.clone(sval); - } - }, - - /** - * Merges source[key] in target[key] only if target[key] is undefined. - * @private - */ - _mergerIf: function(key, target, source) { - var tval = target[key]; - var sval = source[key]; - - if (helpers.isObject(tval) && helpers.isObject(sval)) { - helpers.mergeIf(tval, sval); - } else if (!target.hasOwnProperty(key)) { - target[key] = helpers.clone(sval); - } - }, - - /** - * Recursively deep copies `source` properties into `target` with the given `options`. - * IMPORTANT: `target` is not cloned and will be updated with `source` properties. - * @param {object} target - The target object in which all sources are merged into. - * @param {object|object[]} source - Object(s) to merge into `target`. - * @param {object} [options] - Merging options: - * @param {function} [options.merger] - The merge method (key, target, source, options) - * @returns {object} The `target` object. - */ - merge: function(target, source, options) { - var sources = helpers.isArray(source) ? source : [source]; - var ilen = sources.length; - var merge, i, keys, klen, k; - - if (!helpers.isObject(target)) { - return target; - } - - options = options || {}; - merge = options.merger || helpers._merger; - - for (i = 0; i < ilen; ++i) { - source = sources[i]; - if (!helpers.isObject(source)) { - continue; - } - - keys = Object.keys(source); - for (k = 0, klen = keys.length; k < klen; ++k) { - merge(keys[k], target, source, options); - } - } - - return target; - }, - - /** - * Recursively deep copies `source` properties into `target` *only* if not defined in target. - * IMPORTANT: `target` is not cloned and will be updated with `source` properties. - * @param {object} target - The target object in which all sources are merged into. - * @param {object|object[]} source - Object(s) to merge into `target`. - * @returns {object} The `target` object. - */ - mergeIf: function(target, source) { - return helpers.merge(target, source, {merger: helpers._mergerIf}); - }, - - /** - * Applies the contents of two or more objects together into the first object. - * @param {object} target - The target object in which all objects are merged into. - * @param {object} arg1 - Object containing additional properties to merge in target. - * @param {object} argN - Additional objects containing properties to merge in target. - * @returns {object} The `target` object. - */ - extend: function(target) { - var setFn = function(value, key) { - target[key] = value; - }; - for (var i = 1, ilen = arguments.length; i < ilen; ++i) { - helpers.each(arguments[i], setFn); - } - return target; - }, - - /** - * Basic javascript inheritance based on the model created in Backbone.js - */ - inherits: function(extensions) { - var me = this; - var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() { - return me.apply(this, arguments); - }; - - var Surrogate = function() { - this.constructor = ChartElement; - }; - - Surrogate.prototype = me.prototype; - ChartElement.prototype = new Surrogate(); - ChartElement.extend = helpers.inherits; - - if (extensions) { - helpers.extend(ChartElement.prototype, extensions); - } - - ChartElement.__super__ = me.prototype; - return ChartElement; - } -}; - -var helpers_core = helpers; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.helpers.callback instead. - * @function Chart.helpers.callCallback - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ -helpers.callCallback = helpers.callback; - -/** - * Provided for backward compatibility, use Array.prototype.indexOf instead. - * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+ - * @function Chart.helpers.indexOf - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers.indexOf = function(array, item, fromIndex) { - return Array.prototype.indexOf.call(array, item, fromIndex); -}; - -/** - * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead. - * @function Chart.helpers.getValueOrDefault - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers.getValueOrDefault = helpers.valueOrDefault; - -/** - * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead. - * @function Chart.helpers.getValueAtIndexOrDefault - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault; - -/** - * Easing functions adapted from Robert Penner's easing equations. - * @namespace Chart.helpers.easingEffects - * @see http://www.robertpenner.com/easing/ - */ -var effects = { - linear: function(t) { - return t; - }, - - easeInQuad: function(t) { - return t * t; - }, - - easeOutQuad: function(t) { - return -t * (t - 2); - }, - - easeInOutQuad: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t; - } - return -0.5 * ((--t) * (t - 2) - 1); - }, - - easeInCubic: function(t) { - return t * t * t; - }, - - easeOutCubic: function(t) { - return (t = t - 1) * t * t + 1; - }, - - easeInOutCubic: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t; - } - return 0.5 * ((t -= 2) * t * t + 2); - }, - - easeInQuart: function(t) { - return t * t * t * t; - }, - - easeOutQuart: function(t) { - return -((t = t - 1) * t * t * t - 1); - }, - - easeInOutQuart: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t * t; - } - return -0.5 * ((t -= 2) * t * t * t - 2); - }, - - easeInQuint: function(t) { - return t * t * t * t * t; - }, - - easeOutQuint: function(t) { - return (t = t - 1) * t * t * t * t + 1; - }, - - easeInOutQuint: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t * t * t; - } - return 0.5 * ((t -= 2) * t * t * t * t + 2); - }, - - easeInSine: function(t) { - return -Math.cos(t * (Math.PI / 2)) + 1; - }, - - easeOutSine: function(t) { - return Math.sin(t * (Math.PI / 2)); - }, - - easeInOutSine: function(t) { - return -0.5 * (Math.cos(Math.PI * t) - 1); - }, - - easeInExpo: function(t) { - return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)); - }, - - easeOutExpo: function(t) { - return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1; - }, - - easeInOutExpo: function(t) { - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if ((t /= 0.5) < 1) { - return 0.5 * Math.pow(2, 10 * (t - 1)); - } - return 0.5 * (-Math.pow(2, -10 * --t) + 2); - }, - - easeInCirc: function(t) { - if (t >= 1) { - return t; - } - return -(Math.sqrt(1 - t * t) - 1); - }, - - easeOutCirc: function(t) { - return Math.sqrt(1 - (t = t - 1) * t); - }, - - easeInOutCirc: function(t) { - if ((t /= 0.5) < 1) { - return -0.5 * (Math.sqrt(1 - t * t) - 1); - } - return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1); - }, - - easeInElastic: function(t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if (!p) { - p = 0.3; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); - }, - - easeOutElastic: function(t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if (!p) { - p = 0.3; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1; - }, - - easeInOutElastic: function(t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if ((t /= 0.5) === 2) { - return 1; - } - if (!p) { - p = 0.45; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - if (t < 1) { - return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); - } - return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1; - }, - easeInBack: function(t) { - var s = 1.70158; - return t * t * ((s + 1) * t - s); - }, - - easeOutBack: function(t) { - var s = 1.70158; - return (t = t - 1) * t * ((s + 1) * t + s) + 1; - }, - - easeInOutBack: function(t) { - var s = 1.70158; - if ((t /= 0.5) < 1) { - return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s)); - } - return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); - }, - - easeInBounce: function(t) { - return 1 - effects.easeOutBounce(1 - t); - }, - - easeOutBounce: function(t) { - if (t < (1 / 2.75)) { - return 7.5625 * t * t; - } - if (t < (2 / 2.75)) { - return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75; - } - if (t < (2.5 / 2.75)) { - return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375; - } - return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375; - }, - - easeInOutBounce: function(t) { - if (t < 0.5) { - return effects.easeInBounce(t * 2) * 0.5; - } - return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5; - } -}; - -var helpers_easing = { - effects: effects -}; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.helpers.easing.effects instead. - * @function Chart.helpers.easingEffects - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers_core.easingEffects = effects; - -var PI = Math.PI; -var RAD_PER_DEG = PI / 180; -var DOUBLE_PI = PI * 2; -var HALF_PI = PI / 2; -var QUARTER_PI = PI / 4; -var TWO_THIRDS_PI = PI * 2 / 3; - -/** - * @namespace Chart.helpers.canvas - */ -var exports$1 = { - /** - * Clears the entire canvas associated to the given `chart`. - * @param {Chart} chart - The chart for which to clear the canvas. - */ - clear: function(chart) { - chart.ctx.clearRect(0, 0, chart.width, chart.height); - }, - - /** - * Creates a "path" for a rectangle with rounded corners at position (x, y) with a - * given size (width, height) and the same `radius` for all corners. - * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context. - * @param {number} x - The x axis of the coordinate for the rectangle starting point. - * @param {number} y - The y axis of the coordinate for the rectangle starting point. - * @param {number} width - The rectangle's width. - * @param {number} height - The rectangle's height. - * @param {number} radius - The rounded amount (in pixels) for the four corners. - * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object? - */ - roundedRect: function(ctx, x, y, width, height, radius) { - if (radius) { - var r = Math.min(radius, height / 2, width / 2); - var left = x + r; - var top = y + r; - var right = x + width - r; - var bottom = y + height - r; - - ctx.moveTo(x, top); - if (left < right && top < bottom) { - ctx.arc(left, top, r, -PI, -HALF_PI); - ctx.arc(right, top, r, -HALF_PI, 0); - ctx.arc(right, bottom, r, 0, HALF_PI); - ctx.arc(left, bottom, r, HALF_PI, PI); - } else if (left < right) { - ctx.moveTo(left, y); - ctx.arc(right, top, r, -HALF_PI, HALF_PI); - ctx.arc(left, top, r, HALF_PI, PI + HALF_PI); - } else if (top < bottom) { - ctx.arc(left, top, r, -PI, 0); - ctx.arc(left, bottom, r, 0, PI); - } else { - ctx.arc(left, top, r, -PI, PI); - } - ctx.closePath(); - ctx.moveTo(x, y); - } else { - ctx.rect(x, y, width, height); - } - }, - - drawPoint: function(ctx, style, radius, x, y, rotation) { - var type, xOffset, yOffset, size, cornerRadius; - var rad = (rotation || 0) * RAD_PER_DEG; - - if (style && typeof style === 'object') { - type = style.toString(); - if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { - ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height); - return; - } - } - - if (isNaN(radius) || radius <= 0) { - return; - } - - ctx.beginPath(); - - switch (style) { - // Default includes circle - default: - ctx.arc(x, y, radius, 0, DOUBLE_PI); - ctx.closePath(); - break; - case 'triangle': - ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - rad += TWO_THIRDS_PI; - ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - rad += TWO_THIRDS_PI; - ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - ctx.closePath(); - break; - case 'rectRounded': - // NOTE: the rounded rect implementation changed to use `arc` instead of - // `quadraticCurveTo` since it generates better results when rect is - // almost a circle. 0.516 (instead of 0.5) produces results with visually - // closer proportion to the previous impl and it is inscribed in the - // circle with `radius`. For more details, see the following PRs: - // https://github.com/chartjs/Chart.js/issues/5597 - // https://github.com/chartjs/Chart.js/issues/5858 - cornerRadius = radius * 0.516; - size = radius - cornerRadius; - xOffset = Math.cos(rad + QUARTER_PI) * size; - yOffset = Math.sin(rad + QUARTER_PI) * size; - ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI); - ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad); - ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI); - ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI); - ctx.closePath(); - break; - case 'rect': - if (!rotation) { - size = Math.SQRT1_2 * radius; - ctx.rect(x - size, y - size, 2 * size, 2 * size); - break; - } - rad += QUARTER_PI; - /* falls through */ - case 'rectRot': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + yOffset, y - xOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.lineTo(x - yOffset, y + xOffset); - ctx.closePath(); - break; - case 'crossRot': - rad += QUARTER_PI; - /* falls through */ - case 'cross': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - break; - case 'star': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - rad += QUARTER_PI; - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - break; - case 'line': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - break; - case 'dash': - ctx.moveTo(x, y); - ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius); - break; - } - - ctx.fill(); - ctx.stroke(); - }, - - /** - * Returns true if the point is inside the rectangle - * @param {object} point - The point to test - * @param {object} area - The rectangle - * @returns {boolean} - * @private - */ - _isPointInArea: function(point, area) { - var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error. - - return point.x > area.left - epsilon && point.x < area.right + epsilon && - point.y > area.top - epsilon && point.y < area.bottom + epsilon; - }, - - clipArea: function(ctx, area) { - ctx.save(); - ctx.beginPath(); - ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); - ctx.clip(); - }, - - unclipArea: function(ctx) { - ctx.restore(); - }, - - lineTo: function(ctx, previous, target, flip) { - var stepped = target.steppedLine; - if (stepped) { - if (stepped === 'middle') { - var midpoint = (previous.x + target.x) / 2.0; - ctx.lineTo(midpoint, flip ? target.y : previous.y); - ctx.lineTo(midpoint, flip ? previous.y : target.y); - } else if ((stepped === 'after' && !flip) || (stepped !== 'after' && flip)) { - ctx.lineTo(previous.x, target.y); - } else { - ctx.lineTo(target.x, previous.y); - } - ctx.lineTo(target.x, target.y); - return; - } - - if (!target.tension) { - ctx.lineTo(target.x, target.y); - return; - } - - ctx.bezierCurveTo( - flip ? previous.controlPointPreviousX : previous.controlPointNextX, - flip ? previous.controlPointPreviousY : previous.controlPointNextY, - flip ? target.controlPointNextX : target.controlPointPreviousX, - flip ? target.controlPointNextY : target.controlPointPreviousY, - target.x, - target.y); - } -}; - -var helpers_canvas = exports$1; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.helpers.canvas.clear instead. - * @namespace Chart.helpers.clear - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers_core.clear = exports$1.clear; - -/** - * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead. - * @namespace Chart.helpers.drawRoundedRectangle - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers_core.drawRoundedRectangle = function(ctx) { - ctx.beginPath(); - exports$1.roundedRect.apply(exports$1, arguments); -}; - -var defaults = { - /** - * @private - */ - _set: function(scope, values) { - return helpers_core.merge(this[scope] || (this[scope] = {}), values); - } -}; - -defaults._set('global', { - defaultColor: 'rgba(0,0,0,0.1)', - defaultFontColor: '#666', - defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", - defaultFontSize: 12, - defaultFontStyle: 'normal', - defaultLineHeight: 1.2, - showLines: true -}); - -var core_defaults = defaults; - -var valueOrDefault = helpers_core.valueOrDefault; - -/** - * Converts the given font object into a CSS font string. - * @param {object} font - A font object. - * @return {string} The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font - * @private - */ -function toFontString(font) { - if (!font || helpers_core.isNullOrUndef(font.size) || helpers_core.isNullOrUndef(font.family)) { - return null; - } - - return (font.style ? font.style + ' ' : '') - + (font.weight ? font.weight + ' ' : '') - + font.size + 'px ' - + font.family; -} - -/** - * @alias Chart.helpers.options - * @namespace - */ -var helpers_options = { - /** - * Converts the given line height `value` in pixels for a specific font `size`. - * @param {number|string} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em'). - * @param {number} size - The font size (in pixels) used to resolve relative `value`. - * @returns {number} The effective line height in pixels (size * 1.2 if value is invalid). - * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height - * @since 2.7.0 - */ - toLineHeight: function(value, size) { - var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/); - if (!matches || matches[1] === 'normal') { - return size * 1.2; - } - - value = +matches[2]; - - switch (matches[3]) { - case 'px': - return value; - case '%': - value /= 100; - break; - default: - break; - } - - return size * value; - }, - - /** - * Converts the given value into a padding object with pre-computed width/height. - * @param {number|object} value - If a number, set the value to all TRBL component, - * else, if and object, use defined properties and sets undefined ones to 0. - * @returns {object} The padding values (top, right, bottom, left, width, height) - * @since 2.7.0 - */ - toPadding: function(value) { - var t, r, b, l; - - if (helpers_core.isObject(value)) { - t = +value.top || 0; - r = +value.right || 0; - b = +value.bottom || 0; - l = +value.left || 0; - } else { - t = r = b = l = +value || 0; - } - - return { - top: t, - right: r, - bottom: b, - left: l, - height: t + b, - width: l + r - }; - }, - - /** - * Parses font options and returns the font object. - * @param {object} options - A object that contains font options to be parsed. - * @return {object} The font object. - * @todo Support font.* options and renamed to toFont(). - * @private - */ - _parseFont: function(options) { - var globalDefaults = core_defaults.global; - var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize); - var font = { - family: valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily), - lineHeight: helpers_core.options.toLineHeight(valueOrDefault(options.lineHeight, globalDefaults.defaultLineHeight), size), - size: size, - style: valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle), - weight: null, - string: '' - }; - - font.string = toFontString(font); - return font; - }, - - /** - * Evaluates the given `inputs` sequentially and returns the first defined value. - * @param {Array} inputs - An array of values, falling back to the last value. - * @param {object} [context] - If defined and the current value is a function, the value - * is called with `context` as first argument and the result becomes the new input. - * @param {number} [index] - If defined and the current value is an array, the value - * at `index` become the new input. - * @since 2.7.0 - */ - resolve: function(inputs, context, index) { - var i, ilen, value; - - for (i = 0, ilen = inputs.length; i < ilen; ++i) { - value = inputs[i]; - if (value === undefined) { - continue; - } - if (context !== undefined && typeof value === 'function') { - value = value(context); - } - if (index !== undefined && helpers_core.isArray(value)) { - value = value[index]; - } - if (value !== undefined) { - return value; - } - } - } -}; - -var helpers$1 = helpers_core; -var easing = helpers_easing; -var canvas = helpers_canvas; -var options = helpers_options; -helpers$1.easing = easing; -helpers$1.canvas = canvas; -helpers$1.options = options; - -function interpolate(start, view, model, ease) { - var keys = Object.keys(model); - var i, ilen, key, actual, origin, target, type, c0, c1; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - - target = model[key]; - - // if a value is added to the model after pivot() has been called, the view - // doesn't contain it, so let's initialize the view to the target value. - if (!view.hasOwnProperty(key)) { - view[key] = target; - } - - actual = view[key]; - - if (actual === target || key[0] === '_') { - continue; - } - - if (!start.hasOwnProperty(key)) { - start[key] = actual; - } - - origin = start[key]; - - type = typeof target; - - if (type === typeof origin) { - if (type === 'string') { - c0 = chartjsColor(origin); - if (c0.valid) { - c1 = chartjsColor(target); - if (c1.valid) { - view[key] = c1.mix(c0, ease).rgbString(); - continue; - } - } - } else if (helpers$1.isFinite(origin) && helpers$1.isFinite(target)) { - view[key] = origin + (target - origin) * ease; - continue; - } - } - - view[key] = target; - } -} - -var Element = function(configuration) { - helpers$1.extend(this, configuration); - this.initialize.apply(this, arguments); -}; - -helpers$1.extend(Element.prototype, { - - initialize: function() { - this.hidden = false; - }, - - pivot: function() { - var me = this; - if (!me._view) { - me._view = helpers$1.clone(me._model); - } - me._start = {}; - return me; - }, - - transition: function(ease) { - var me = this; - var model = me._model; - var start = me._start; - var view = me._view; - - // No animation -> No Transition - if (!model || ease === 1) { - me._view = model; - me._start = null; - return me; - } - - if (!view) { - view = me._view = {}; - } - - if (!start) { - start = me._start = {}; - } - - interpolate(start, view, model, ease); - - return me; - }, - - tooltipPosition: function() { - return { - x: this._model.x, - y: this._model.y - }; - }, - - hasValue: function() { - return helpers$1.isNumber(this._model.x) && helpers$1.isNumber(this._model.y); - } -}); - -Element.extend = helpers$1.inherits; - -var core_element = Element; - -var exports$2 = core_element.extend({ - chart: null, // the animation associated chart instance - currentStep: 0, // the current animation step - numSteps: 60, // default number of steps - easing: '', // the easing to use for this animation - render: null, // render function used by the animation service - - onAnimationProgress: null, // user specified callback to fire on each step of the animation - onAnimationComplete: null, // user specified callback to fire when the animation finishes -}); - -var core_animation = exports$2; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.Animation instead - * @prop Chart.Animation#animationObject - * @deprecated since version 2.6.0 - * @todo remove at version 3 - */ -Object.defineProperty(exports$2.prototype, 'animationObject', { - get: function() { - return this; - } -}); - -/** - * Provided for backward compatibility, use Chart.Animation#chart instead - * @prop Chart.Animation#chartInstance - * @deprecated since version 2.6.0 - * @todo remove at version 3 - */ -Object.defineProperty(exports$2.prototype, 'chartInstance', { - get: function() { - return this.chart; - }, - set: function(value) { - this.chart = value; - } -}); - -core_defaults._set('global', { - animation: { - duration: 1000, - easing: 'easeOutQuart', - onProgress: helpers$1.noop, - onComplete: helpers$1.noop - } -}); - -var core_animations = { - animations: [], - request: null, - - /** - * @param {Chart} chart - The chart to animate. - * @param {Chart.Animation} animation - The animation that we will animate. - * @param {number} duration - The animation duration in ms. - * @param {boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions - */ - addAnimation: function(chart, animation, duration, lazy) { - var animations = this.animations; - var i, ilen; - - animation.chart = chart; - animation.startTime = Date.now(); - animation.duration = duration; - - if (!lazy) { - chart.animating = true; - } - - for (i = 0, ilen = animations.length; i < ilen; ++i) { - if (animations[i].chart === chart) { - animations[i] = animation; - return; - } - } - - animations.push(animation); - - // If there are no animations queued, manually kickstart a digest, for lack of a better word - if (animations.length === 1) { - this.requestAnimationFrame(); - } - }, - - cancelAnimation: function(chart) { - var index = helpers$1.findIndex(this.animations, function(animation) { - return animation.chart === chart; - }); - - if (index !== -1) { - this.animations.splice(index, 1); - chart.animating = false; - } - }, - - requestAnimationFrame: function() { - var me = this; - if (me.request === null) { - // Skip animation frame requests until the active one is executed. - // This can happen when processing mouse events, e.g. 'mousemove' - // and 'mouseout' events will trigger multiple renders. - me.request = helpers$1.requestAnimFrame.call(window, function() { - me.request = null; - me.startDigest(); - }); - } - }, - - /** - * @private - */ - startDigest: function() { - var me = this; - - me.advance(); - - // Do we have more stuff to animate? - if (me.animations.length > 0) { - me.requestAnimationFrame(); - } - }, - - /** - * @private - */ - advance: function() { - var animations = this.animations; - var animation, chart, numSteps, nextStep; - var i = 0; - - // 1 animation per chart, so we are looping charts here - while (i < animations.length) { - animation = animations[i]; - chart = animation.chart; - numSteps = animation.numSteps; - - // Make sure that currentStep starts at 1 - // https://github.com/chartjs/Chart.js/issues/6104 - nextStep = Math.floor((Date.now() - animation.startTime) / animation.duration * numSteps) + 1; - animation.currentStep = Math.min(nextStep, numSteps); - - helpers$1.callback(animation.render, [chart, animation], chart); - helpers$1.callback(animation.onAnimationProgress, [animation], chart); - - if (animation.currentStep >= numSteps) { - helpers$1.callback(animation.onAnimationComplete, [animation], chart); - chart.animating = false; - animations.splice(i, 1); - } else { - ++i; - } - } - } -}; - -var resolve = helpers$1.options.resolve; - -var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; - -/** - * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice', - * 'unshift') and notify the listener AFTER the array has been altered. Listeners are - * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments. - */ -function listenArrayEvents(array, listener) { - if (array._chartjs) { - array._chartjs.listeners.push(listener); - return; - } - - Object.defineProperty(array, '_chartjs', { - configurable: true, - enumerable: false, - value: { - listeners: [listener] - } - }); - - arrayEvents.forEach(function(key) { - var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1); - var base = array[key]; - - Object.defineProperty(array, key, { - configurable: true, - enumerable: false, - value: function() { - var args = Array.prototype.slice.call(arguments); - var res = base.apply(this, args); - - helpers$1.each(array._chartjs.listeners, function(object) { - if (typeof object[method] === 'function') { - object[method].apply(object, args); - } - }); - - return res; - } - }); - }); -} - -/** - * Removes the given array event listener and cleanup extra attached properties (such as - * the _chartjs stub and overridden methods) if array doesn't have any more listeners. - */ -function unlistenArrayEvents(array, listener) { - var stub = array._chartjs; - if (!stub) { - return; - } - - var listeners = stub.listeners; - var index = listeners.indexOf(listener); - if (index !== -1) { - listeners.splice(index, 1); - } - - if (listeners.length > 0) { - return; - } - - arrayEvents.forEach(function(key) { - delete array[key]; - }); - - delete array._chartjs; -} - -// Base class for all dataset controllers (line, bar, etc) -var DatasetController = function(chart, datasetIndex) { - this.initialize(chart, datasetIndex); -}; - -helpers$1.extend(DatasetController.prototype, { - - /** - * Element type used to generate a meta dataset (e.g. Chart.element.Line). - * @type {Chart.core.element} - */ - datasetElementType: null, - - /** - * Element type used to generate a meta data (e.g. Chart.element.Point). - * @type {Chart.core.element} - */ - dataElementType: null, - - initialize: function(chart, datasetIndex) { - var me = this; - me.chart = chart; - me.index = datasetIndex; - me.linkScales(); - me.addElements(); - }, - - updateIndex: function(datasetIndex) { - this.index = datasetIndex; - }, - - linkScales: function() { - var me = this; - var meta = me.getMeta(); - var dataset = me.getDataset(); - - if (meta.xAxisID === null || !(meta.xAxisID in me.chart.scales)) { - meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id; - } - if (meta.yAxisID === null || !(meta.yAxisID in me.chart.scales)) { - meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id; - } - }, - - getDataset: function() { - return this.chart.data.datasets[this.index]; - }, - - getMeta: function() { - return this.chart.getDatasetMeta(this.index); - }, - - getScaleForId: function(scaleID) { - return this.chart.scales[scaleID]; - }, - - /** - * @private - */ - _getValueScaleId: function() { - return this.getMeta().yAxisID; - }, - - /** - * @private - */ - _getIndexScaleId: function() { - return this.getMeta().xAxisID; - }, - - /** - * @private - */ - _getValueScale: function() { - return this.getScaleForId(this._getValueScaleId()); - }, - - /** - * @private - */ - _getIndexScale: function() { - return this.getScaleForId(this._getIndexScaleId()); - }, - - reset: function() { - this.update(true); - }, - - /** - * @private - */ - destroy: function() { - if (this._data) { - unlistenArrayEvents(this._data, this); - } - }, - - createMetaDataset: function() { - var me = this; - var type = me.datasetElementType; - return type && new type({ - _chart: me.chart, - _datasetIndex: me.index - }); - }, - - createMetaData: function(index) { - var me = this; - var type = me.dataElementType; - return type && new type({ - _chart: me.chart, - _datasetIndex: me.index, - _index: index - }); - }, - - addElements: function() { - var me = this; - var meta = me.getMeta(); - var data = me.getDataset().data || []; - var metaData = meta.data; - var i, ilen; - - for (i = 0, ilen = data.length; i < ilen; ++i) { - metaData[i] = metaData[i] || me.createMetaData(i); - } - - meta.dataset = meta.dataset || me.createMetaDataset(); - }, - - addElementAndReset: function(index) { - var element = this.createMetaData(index); - this.getMeta().data.splice(index, 0, element); - this.updateElement(element, index, true); - }, - - buildOrUpdateElements: function() { - var me = this; - var dataset = me.getDataset(); - var data = dataset.data || (dataset.data = []); - - // In order to correctly handle data addition/deletion animation (an thus simulate - // real-time charts), we need to monitor these data modifications and synchronize - // the internal meta data accordingly. - if (me._data !== data) { - if (me._data) { - // This case happens when the user replaced the data array instance. - unlistenArrayEvents(me._data, me); - } - - if (data && Object.isExtensible(data)) { - listenArrayEvents(data, me); - } - me._data = data; - } - - // Re-sync meta data in case the user replaced the data array or if we missed - // any updates and so make sure that we handle number of datapoints changing. - me.resyncElements(); - }, - - update: helpers$1.noop, - - transition: function(easingValue) { - var meta = this.getMeta(); - var elements = meta.data || []; - var ilen = elements.length; - var i = 0; - - for (; i < ilen; ++i) { - elements[i].transition(easingValue); - } - - if (meta.dataset) { - meta.dataset.transition(easingValue); - } - }, - - draw: function() { - var meta = this.getMeta(); - var elements = meta.data || []; - var ilen = elements.length; - var i = 0; - - if (meta.dataset) { - meta.dataset.draw(); - } - - for (; i < ilen; ++i) { - elements[i].draw(); - } - }, - - removeHoverStyle: function(element) { - helpers$1.merge(element._model, element.$previousStyle || {}); - delete element.$previousStyle; - }, - - setHoverStyle: function(element) { - var dataset = this.chart.data.datasets[element._datasetIndex]; - var index = element._index; - var custom = element.custom || {}; - var model = element._model; - var getHoverColor = helpers$1.getHoverColor; - - element.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth - }; - - model.backgroundColor = resolve([custom.hoverBackgroundColor, dataset.hoverBackgroundColor, getHoverColor(model.backgroundColor)], undefined, index); - model.borderColor = resolve([custom.hoverBorderColor, dataset.hoverBorderColor, getHoverColor(model.borderColor)], undefined, index); - model.borderWidth = resolve([custom.hoverBorderWidth, dataset.hoverBorderWidth, model.borderWidth], undefined, index); - }, - - /** - * @private - */ - resyncElements: function() { - var me = this; - var meta = me.getMeta(); - var data = me.getDataset().data; - var numMeta = meta.data.length; - var numData = data.length; - - if (numData < numMeta) { - meta.data.splice(numData, numMeta - numData); - } else if (numData > numMeta) { - me.insertElements(numMeta, numData - numMeta); - } - }, - - /** - * @private - */ - insertElements: function(start, count) { - for (var i = 0; i < count; ++i) { - this.addElementAndReset(start + i); - } - }, - - /** - * @private - */ - onDataPush: function() { - var count = arguments.length; - this.insertElements(this.getDataset().data.length - count, count); - }, - - /** - * @private - */ - onDataPop: function() { - this.getMeta().data.pop(); - }, - - /** - * @private - */ - onDataShift: function() { - this.getMeta().data.shift(); - }, - - /** - * @private - */ - onDataSplice: function(start, count) { - this.getMeta().data.splice(start, count); - this.insertElements(start, arguments.length - 2); - }, - - /** - * @private - */ - onDataUnshift: function() { - this.insertElements(0, arguments.length); - } -}); - -DatasetController.extend = helpers$1.inherits; - -var core_datasetController = DatasetController; - -core_defaults._set('global', { - elements: { - arc: { - backgroundColor: core_defaults.global.defaultColor, - borderColor: '#fff', - borderWidth: 2, - borderAlign: 'center' - } - } -}); - -var element_arc = core_element.extend({ - inLabelRange: function(mouseX) { - var vm = this._view; - - if (vm) { - return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2)); - } - return false; - }, - - inRange: function(chartX, chartY) { - var vm = this._view; - - if (vm) { - var pointRelativePosition = helpers$1.getAngleFromPoint(vm, {x: chartX, y: chartY}); - var angle = pointRelativePosition.angle; - var distance = pointRelativePosition.distance; - - // Sanitise angle range - var startAngle = vm.startAngle; - var endAngle = vm.endAngle; - while (endAngle < startAngle) { - endAngle += 2.0 * Math.PI; - } - while (angle > endAngle) { - angle -= 2.0 * Math.PI; - } - while (angle < startAngle) { - angle += 2.0 * Math.PI; - } - - // Check if within the range of the open/close angle - var betweenAngles = (angle >= startAngle && angle <= endAngle); - var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius); - - return (betweenAngles && withinRadius); - } - return false; - }, - - getCenterPoint: function() { - var vm = this._view; - var halfAngle = (vm.startAngle + vm.endAngle) / 2; - var halfRadius = (vm.innerRadius + vm.outerRadius) / 2; - return { - x: vm.x + Math.cos(halfAngle) * halfRadius, - y: vm.y + Math.sin(halfAngle) * halfRadius - }; - }, - - getArea: function() { - var vm = this._view; - return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2)); - }, - - tooltipPosition: function() { - var vm = this._view; - var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2); - var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius; - - return { - x: vm.x + (Math.cos(centreAngle) * rangeFromCentre), - y: vm.y + (Math.sin(centreAngle) * rangeFromCentre) - }; - }, - - draw: function() { - var ctx = this._chart.ctx; - var vm = this._view; - var sA = vm.startAngle; - var eA = vm.endAngle; - var pixelMargin = (vm.borderAlign === 'inner') ? 0.33 : 0; - var angleMargin; - - ctx.save(); - - ctx.beginPath(); - ctx.arc(vm.x, vm.y, Math.max(vm.outerRadius - pixelMargin, 0), sA, eA); - ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true); - ctx.closePath(); - - ctx.fillStyle = vm.backgroundColor; - ctx.fill(); - - if (vm.borderWidth) { - if (vm.borderAlign === 'inner') { - // Draw an inner border by cliping the arc and drawing a double-width border - // Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders - ctx.beginPath(); - angleMargin = pixelMargin / vm.outerRadius; - ctx.arc(vm.x, vm.y, vm.outerRadius, sA - angleMargin, eA + angleMargin); - if (vm.innerRadius > pixelMargin) { - angleMargin = pixelMargin / vm.innerRadius; - ctx.arc(vm.x, vm.y, vm.innerRadius - pixelMargin, eA + angleMargin, sA - angleMargin, true); - } else { - ctx.arc(vm.x, vm.y, pixelMargin, eA + Math.PI / 2, sA - Math.PI / 2); - } - ctx.closePath(); - ctx.clip(); - - ctx.beginPath(); - ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA); - ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true); - ctx.closePath(); - - ctx.lineWidth = vm.borderWidth * 2; - ctx.lineJoin = 'round'; - } else { - ctx.lineWidth = vm.borderWidth; - ctx.lineJoin = 'bevel'; - } - - ctx.strokeStyle = vm.borderColor; - ctx.stroke(); - } - - ctx.restore(); - } -}); - -var valueOrDefault$1 = helpers$1.valueOrDefault; - -var defaultColor = core_defaults.global.defaultColor; - -core_defaults._set('global', { - elements: { - line: { - tension: 0.4, - backgroundColor: defaultColor, - borderWidth: 3, - borderColor: defaultColor, - borderCapStyle: 'butt', - borderDash: [], - borderDashOffset: 0.0, - borderJoinStyle: 'miter', - capBezierPoints: true, - fill: true, // do we fill in the area between the line and its base axis - } - } -}); - -var element_line = core_element.extend({ - draw: function() { - var me = this; - var vm = me._view; - var ctx = me._chart.ctx; - var spanGaps = vm.spanGaps; - var points = me._children.slice(); // clone array - var globalDefaults = core_defaults.global; - var globalOptionLineElements = globalDefaults.elements.line; - var lastDrawnIndex = -1; - var index, current, previous, currentVM; - - // If we are looping, adding the first point again - if (me._loop && points.length) { - points.push(points[0]); - } - - ctx.save(); - - // Stroke Line Options - ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle; - - // IE 9 and 10 do not support line dash - if (ctx.setLineDash) { - ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash); - } - - ctx.lineDashOffset = valueOrDefault$1(vm.borderDashOffset, globalOptionLineElements.borderDashOffset); - ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle; - ctx.lineWidth = valueOrDefault$1(vm.borderWidth, globalOptionLineElements.borderWidth); - ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor; - - // Stroke Line - ctx.beginPath(); - lastDrawnIndex = -1; - - for (index = 0; index < points.length; ++index) { - current = points[index]; - previous = helpers$1.previousItem(points, index); - currentVM = current._view; - - // First point moves to it's starting position no matter what - if (index === 0) { - if (!currentVM.skip) { - ctx.moveTo(currentVM.x, currentVM.y); - lastDrawnIndex = index; - } - } else { - previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex]; - - if (!currentVM.skip) { - if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) { - // There was a gap and this is the first point after the gap - ctx.moveTo(currentVM.x, currentVM.y); - } else { - // Line to next point - helpers$1.canvas.lineTo(ctx, previous._view, current._view); - } - lastDrawnIndex = index; - } - } - } - - ctx.stroke(); - ctx.restore(); - } -}); - -var valueOrDefault$2 = helpers$1.valueOrDefault; - -var defaultColor$1 = core_defaults.global.defaultColor; - -core_defaults._set('global', { - elements: { - point: { - radius: 3, - pointStyle: 'circle', - backgroundColor: defaultColor$1, - borderColor: defaultColor$1, - borderWidth: 1, - // Hover - hitRadius: 1, - hoverRadius: 4, - hoverBorderWidth: 1 - } - } -}); - -function xRange(mouseX) { - var vm = this._view; - return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false; -} - -function yRange(mouseY) { - var vm = this._view; - return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false; -} - -var element_point = core_element.extend({ - inRange: function(mouseX, mouseY) { - var vm = this._view; - return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false; - }, - - inLabelRange: xRange, - inXRange: xRange, - inYRange: yRange, - - getCenterPoint: function() { - var vm = this._view; - return { - x: vm.x, - y: vm.y - }; - }, - - getArea: function() { - return Math.PI * Math.pow(this._view.radius, 2); - }, - - tooltipPosition: function() { - var vm = this._view; - return { - x: vm.x, - y: vm.y, - padding: vm.radius + vm.borderWidth - }; - }, - - draw: function(chartArea) { - var vm = this._view; - var ctx = this._chart.ctx; - var pointStyle = vm.pointStyle; - var rotation = vm.rotation; - var radius = vm.radius; - var x = vm.x; - var y = vm.y; - var globalDefaults = core_defaults.global; - var defaultColor = globalDefaults.defaultColor; // eslint-disable-line no-shadow - - if (vm.skip) { - return; - } - - // Clipping for Points. - if (chartArea === undefined || helpers$1.canvas._isPointInArea(vm, chartArea)) { - ctx.strokeStyle = vm.borderColor || defaultColor; - ctx.lineWidth = valueOrDefault$2(vm.borderWidth, globalDefaults.elements.point.borderWidth); - ctx.fillStyle = vm.backgroundColor || defaultColor; - helpers$1.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation); - } - } -}); - -var defaultColor$2 = core_defaults.global.defaultColor; - -core_defaults._set('global', { - elements: { - rectangle: { - backgroundColor: defaultColor$2, - borderColor: defaultColor$2, - borderSkipped: 'bottom', - borderWidth: 0 - } - } -}); - -function isVertical(vm) { - return vm && vm.width !== undefined; -} - -/** - * Helper function to get the bounds of the bar regardless of the orientation - * @param bar {Chart.Element.Rectangle} the bar - * @return {Bounds} bounds of the bar - * @private - */ -function getBarBounds(vm) { - var x1, x2, y1, y2, half; - - if (isVertical(vm)) { - half = vm.width / 2; - x1 = vm.x - half; - x2 = vm.x + half; - y1 = Math.min(vm.y, vm.base); - y2 = Math.max(vm.y, vm.base); - } else { - half = vm.height / 2; - x1 = Math.min(vm.x, vm.base); - x2 = Math.max(vm.x, vm.base); - y1 = vm.y - half; - y2 = vm.y + half; - } - - return { - left: x1, - top: y1, - right: x2, - bottom: y2 - }; -} - -function swap(orig, v1, v2) { - return orig === v1 ? v2 : orig === v2 ? v1 : orig; -} - -function parseBorderSkipped(vm) { - var edge = vm.borderSkipped; - var res = {}; - - if (!edge) { - return res; - } - - if (vm.horizontal) { - if (vm.base > vm.x) { - edge = swap(edge, 'left', 'right'); - } - } else if (vm.base < vm.y) { - edge = swap(edge, 'bottom', 'top'); - } - - res[edge] = true; - return res; -} - -function parseBorderWidth(vm, maxW, maxH) { - var value = vm.borderWidth; - var skip = parseBorderSkipped(vm); - var t, r, b, l; - - if (helpers$1.isObject(value)) { - t = +value.top || 0; - r = +value.right || 0; - b = +value.bottom || 0; - l = +value.left || 0; - } else { - t = r = b = l = +value || 0; - } - - return { - t: skip.top || (t < 0) ? 0 : t > maxH ? maxH : t, - r: skip.right || (r < 0) ? 0 : r > maxW ? maxW : r, - b: skip.bottom || (b < 0) ? 0 : b > maxH ? maxH : b, - l: skip.left || (l < 0) ? 0 : l > maxW ? maxW : l - }; -} - -function boundingRects(vm) { - var bounds = getBarBounds(vm); - var width = bounds.right - bounds.left; - var height = bounds.bottom - bounds.top; - var border = parseBorderWidth(vm, width / 2, height / 2); - - return { - outer: { - x: bounds.left, - y: bounds.top, - w: width, - h: height - }, - inner: { - x: bounds.left + border.l, - y: bounds.top + border.t, - w: width - border.l - border.r, - h: height - border.t - border.b - } - }; -} - -function inRange(vm, x, y) { - var skipX = x === null; - var skipY = y === null; - var bounds = !vm || (skipX && skipY) ? false : getBarBounds(vm); - - return bounds - && (skipX || x >= bounds.left && x <= bounds.right) - && (skipY || y >= bounds.top && y <= bounds.bottom); -} - -var element_rectangle = core_element.extend({ - draw: function() { - var ctx = this._chart.ctx; - var vm = this._view; - var rects = boundingRects(vm); - var outer = rects.outer; - var inner = rects.inner; - - ctx.fillStyle = vm.backgroundColor; - ctx.fillRect(outer.x, outer.y, outer.w, outer.h); - - if (outer.w === inner.w && outer.h === inner.h) { - return; - } - - ctx.save(); - ctx.beginPath(); - ctx.rect(outer.x, outer.y, outer.w, outer.h); - ctx.clip(); - ctx.fillStyle = vm.borderColor; - ctx.rect(inner.x, inner.y, inner.w, inner.h); - ctx.fill('evenodd'); - ctx.restore(); - }, - - height: function() { - var vm = this._view; - return vm.base - vm.y; - }, - - inRange: function(mouseX, mouseY) { - return inRange(this._view, mouseX, mouseY); - }, - - inLabelRange: function(mouseX, mouseY) { - var vm = this._view; - return isVertical(vm) - ? inRange(vm, mouseX, null) - : inRange(vm, null, mouseY); - }, - - inXRange: function(mouseX) { - return inRange(this._view, mouseX, null); - }, - - inYRange: function(mouseY) { - return inRange(this._view, null, mouseY); - }, - - getCenterPoint: function() { - var vm = this._view; - var x, y; - if (isVertical(vm)) { - x = vm.x; - y = (vm.y + vm.base) / 2; - } else { - x = (vm.x + vm.base) / 2; - y = vm.y; - } - - return {x: x, y: y}; - }, - - getArea: function() { - var vm = this._view; - - return isVertical(vm) - ? vm.width * Math.abs(vm.y - vm.base) - : vm.height * Math.abs(vm.x - vm.base); - }, - - tooltipPosition: function() { - var vm = this._view; - return { - x: vm.x, - y: vm.y - }; - } -}); - -var elements = {}; -var Arc = element_arc; -var Line = element_line; -var Point = element_point; -var Rectangle = element_rectangle; -elements.Arc = Arc; -elements.Line = Line; -elements.Point = Point; -elements.Rectangle = Rectangle; - -var resolve$1 = helpers$1.options.resolve; - -core_defaults._set('bar', { - hover: { - mode: 'label' - }, - - scales: { - xAxes: [{ - type: 'category', - categoryPercentage: 0.8, - barPercentage: 0.9, - offset: true, - gridLines: { - offsetGridLines: true - } - }], - - yAxes: [{ - type: 'linear' - }] - } -}); - -/** - * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap. - * @private - */ -function computeMinSampleSize(scale, pixels) { - var min = scale.isHorizontal() ? scale.width : scale.height; - var ticks = scale.getTicks(); - var prev, curr, i, ilen; - - for (i = 1, ilen = pixels.length; i < ilen; ++i) { - min = Math.min(min, Math.abs(pixels[i] - pixels[i - 1])); - } - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - curr = scale.getPixelForTick(i); - min = i > 0 ? Math.min(min, curr - prev) : min; - prev = curr; - } - - return min; -} - -/** - * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null, - * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This - * mode currently always generates bars equally sized (until we introduce scriptable options?). - * @private - */ -function computeFitCategoryTraits(index, ruler, options) { - var thickness = options.barThickness; - var count = ruler.stackCount; - var curr = ruler.pixels[index]; - var size, ratio; - - if (helpers$1.isNullOrUndef(thickness)) { - size = ruler.min * options.categoryPercentage; - ratio = options.barPercentage; - } else { - // When bar thickness is enforced, category and bar percentages are ignored. - // Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%') - // and deprecate barPercentage since this value is ignored when thickness is absolute. - size = thickness * count; - ratio = 1; - } - - return { - chunk: size / count, - ratio: ratio, - start: curr - (size / 2) - }; -} - -/** - * Computes an "optimal" category that globally arranges bars side by side (no gap when - * percentage options are 1), based on the previous and following categories. This mode - * generates bars with different widths when data are not evenly spaced. - * @private - */ -function computeFlexCategoryTraits(index, ruler, options) { - var pixels = ruler.pixels; - var curr = pixels[index]; - var prev = index > 0 ? pixels[index - 1] : null; - var next = index < pixels.length - 1 ? pixels[index + 1] : null; - var percent = options.categoryPercentage; - var start, size; - - if (prev === null) { - // first data: its size is double based on the next point or, - // if it's also the last data, we use the scale size. - prev = curr - (next === null ? ruler.end - ruler.start : next - curr); - } - - if (next === null) { - // last data: its size is also double based on the previous point. - next = curr + curr - prev; - } - - start = curr - (curr - Math.min(prev, next)) / 2 * percent; - size = Math.abs(next - prev) / 2 * percent; - - return { - chunk: size / ruler.stackCount, - ratio: options.barPercentage, - start: start - }; -} - -var controller_bar = core_datasetController.extend({ - - dataElementType: elements.Rectangle, - - initialize: function() { - var me = this; - var meta; - - core_datasetController.prototype.initialize.apply(me, arguments); - - meta = me.getMeta(); - meta.stack = me.getDataset().stack; - meta.bar = true; - }, - - update: function(reset) { - var me = this; - var rects = me.getMeta().data; - var i, ilen; - - me._ruler = me.getRuler(); - - for (i = 0, ilen = rects.length; i < ilen; ++i) { - me.updateElement(rects[i], i, reset); - } - }, - - updateElement: function(rectangle, index, reset) { - var me = this; - var meta = me.getMeta(); - var dataset = me.getDataset(); - var options = me._resolveElementOptions(rectangle, index); - - rectangle._xScale = me.getScaleForId(meta.xAxisID); - rectangle._yScale = me.getScaleForId(meta.yAxisID); - rectangle._datasetIndex = me.index; - rectangle._index = index; - rectangle._model = { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderSkipped: options.borderSkipped, - borderWidth: options.borderWidth, - datasetLabel: dataset.label, - label: me.chart.data.labels[index] - }; - - me._updateElementGeometry(rectangle, index, reset); - - rectangle.pivot(); - }, - - /** - * @private - */ - _updateElementGeometry: function(rectangle, index, reset) { - var me = this; - var model = rectangle._model; - var vscale = me._getValueScale(); - var base = vscale.getBasePixel(); - var horizontal = vscale.isHorizontal(); - var ruler = me._ruler || me.getRuler(); - var vpixels = me.calculateBarValuePixels(me.index, index); - var ipixels = me.calculateBarIndexPixels(me.index, index, ruler); - - model.horizontal = horizontal; - model.base = reset ? base : vpixels.base; - model.x = horizontal ? reset ? base : vpixels.head : ipixels.center; - model.y = horizontal ? ipixels.center : reset ? base : vpixels.head; - model.height = horizontal ? ipixels.size : undefined; - model.width = horizontal ? undefined : ipixels.size; - }, - - /** - * Returns the stacks based on groups and bar visibility. - * @param {number} [last] - The dataset index - * @returns {string[]} The list of stack IDs - * @private - */ - _getStacks: function(last) { - var me = this; - var chart = me.chart; - var scale = me._getIndexScale(); - var stacked = scale.options.stacked; - var ilen = last === undefined ? chart.data.datasets.length : last + 1; - var stacks = []; - var i, meta; - - for (i = 0; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - if (meta.bar && chart.isDatasetVisible(i) && - (stacked === false || - (stacked === true && stacks.indexOf(meta.stack) === -1) || - (stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) { - stacks.push(meta.stack); - } - } - - return stacks; - }, - - /** - * Returns the effective number of stacks based on groups and bar visibility. - * @private - */ - getStackCount: function() { - return this._getStacks().length; - }, - - /** - * Returns the stack index for the given dataset based on groups and bar visibility. - * @param {number} [datasetIndex] - The dataset index - * @param {string} [name] - The stack name to find - * @returns {number} The stack index - * @private - */ - getStackIndex: function(datasetIndex, name) { - var stacks = this._getStacks(datasetIndex); - var index = (name !== undefined) - ? stacks.indexOf(name) - : -1; // indexOf returns -1 if element is not present - - return (index === -1) - ? stacks.length - 1 - : index; - }, - - /** - * @private - */ - getRuler: function() { - var me = this; - var scale = me._getIndexScale(); - var stackCount = me.getStackCount(); - var datasetIndex = me.index; - var isHorizontal = scale.isHorizontal(); - var start = isHorizontal ? scale.left : scale.top; - var end = start + (isHorizontal ? scale.width : scale.height); - var pixels = []; - var i, ilen, min; - - for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) { - pixels.push(scale.getPixelForValue(null, i, datasetIndex)); - } - - min = helpers$1.isNullOrUndef(scale.options.barThickness) - ? computeMinSampleSize(scale, pixels) - : -1; - - return { - min: min, - pixels: pixels, - start: start, - end: end, - stackCount: stackCount, - scale: scale - }; - }, - - /** - * Note: pixel values are not clamped to the scale area. - * @private - */ - calculateBarValuePixels: function(datasetIndex, index) { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var scale = me._getValueScale(); - var isHorizontal = scale.isHorizontal(); - var datasets = chart.data.datasets; - var value = +scale.getRightValue(datasets[datasetIndex].data[index]); - var minBarLength = scale.options.minBarLength; - var stacked = scale.options.stacked; - var stack = meta.stack; - var start = 0; - var i, imeta, ivalue, base, head, size; - - if (stacked || (stacked === undefined && stack !== undefined)) { - for (i = 0; i < datasetIndex; ++i) { - imeta = chart.getDatasetMeta(i); - - if (imeta.bar && - imeta.stack === stack && - imeta.controller._getValueScaleId() === scale.id && - chart.isDatasetVisible(i)) { - - ivalue = +scale.getRightValue(datasets[i].data[index]); - if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) { - start += ivalue; - } - } - } - } - - base = scale.getPixelForValue(start); - head = scale.getPixelForValue(start + value); - size = head - base; - - if (minBarLength !== undefined && Math.abs(size) < minBarLength) { - size = minBarLength; - if (value >= 0 && !isHorizontal || value < 0 && isHorizontal) { - head = base - minBarLength; - } else { - head = base + minBarLength; - } - } - - return { - size: size, - base: base, - head: head, - center: head + size / 2 - }; - }, - - /** - * @private - */ - calculateBarIndexPixels: function(datasetIndex, index, ruler) { - var me = this; - var options = ruler.scale.options; - var range = options.barThickness === 'flex' - ? computeFlexCategoryTraits(index, ruler, options) - : computeFitCategoryTraits(index, ruler, options); - - var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack); - var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); - var size = Math.min( - helpers$1.valueOrDefault(options.maxBarThickness, Infinity), - range.chunk * range.ratio); - - return { - base: center - size / 2, - head: center + size / 2, - center: center, - size: size - }; - }, - - draw: function() { - var me = this; - var chart = me.chart; - var scale = me._getValueScale(); - var rects = me.getMeta().data; - var dataset = me.getDataset(); - var ilen = rects.length; - var i = 0; - - helpers$1.canvas.clipArea(chart.ctx, chart.chartArea); - - for (; i < ilen; ++i) { - if (!isNaN(scale.getRightValue(dataset.data[i]))) { - rects[i].draw(); - } - } - - helpers$1.canvas.unclipArea(chart.ctx); - }, - - /** - * @private - */ - _resolveElementOptions: function(rectangle, index) { - var me = this; - var chart = me.chart; - var datasets = chart.data.datasets; - var dataset = datasets[me.index]; - var custom = rectangle.custom || {}; - var options = chart.options.elements.rectangle; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderSkipped', - 'borderWidth' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$1([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - return values; - } -}); - -var valueOrDefault$3 = helpers$1.valueOrDefault; -var resolve$2 = helpers$1.options.resolve; - -core_defaults._set('bubble', { - hover: { - mode: 'single' - }, - - scales: { - xAxes: [{ - type: 'linear', // bubble should probably use a linear scale by default - position: 'bottom', - id: 'x-axis-0' // need an ID so datasets can reference the scale - }], - yAxes: [{ - type: 'linear', - position: 'left', - id: 'y-axis-0' - }] - }, - - tooltips: { - callbacks: { - title: function() { - // Title doesn't make sense for scatter since we format the data as a point - return ''; - }, - label: function(item, data) { - var datasetLabel = data.datasets[item.datasetIndex].label || ''; - var dataPoint = data.datasets[item.datasetIndex].data[item.index]; - return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')'; - } - } - } -}); - -var controller_bubble = core_datasetController.extend({ - /** - * @protected - */ - dataElementType: elements.Point, - - /** - * @protected - */ - update: function(reset) { - var me = this; - var meta = me.getMeta(); - var points = meta.data; - - // Update Points - helpers$1.each(points, function(point, index) { - me.updateElement(point, index, reset); - }); - }, - - /** - * @protected - */ - updateElement: function(point, index, reset) { - var me = this; - var meta = me.getMeta(); - var custom = point.custom || {}; - var xScale = me.getScaleForId(meta.xAxisID); - var yScale = me.getScaleForId(meta.yAxisID); - var options = me._resolveElementOptions(point, index); - var data = me.getDataset().data[index]; - var dsIndex = me.index; - - var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex); - var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex); - - point._xScale = xScale; - point._yScale = yScale; - point._options = options; - point._datasetIndex = dsIndex; - point._index = index; - point._model = { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - hitRadius: options.hitRadius, - pointStyle: options.pointStyle, - rotation: options.rotation, - radius: reset ? 0 : options.radius, - skip: custom.skip || isNaN(x) || isNaN(y), - x: x, - y: y, - }; - - point.pivot(); - }, - - /** - * @protected - */ - setHoverStyle: function(point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$3(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$3(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$3(options.hoverBorderWidth, options.borderWidth); - model.radius = options.radius + options.hoverRadius; - }, - - /** - * @private - */ - _resolveElementOptions: function(point, index) { - var me = this; - var chart = me.chart; - var datasets = chart.data.datasets; - var dataset = datasets[me.index]; - var custom = point.custom || {}; - var options = chart.options.elements.point; - var data = dataset.data[index]; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - 'hoverRadius', - 'hitRadius', - 'pointStyle', - 'rotation' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$2([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - // Custom radius resolution - values.radius = resolve$2([ - custom.radius, - data ? data.r : undefined, - dataset.radius, - options.radius - ], context, index); - - return values; - } -}); - -var resolve$3 = helpers$1.options.resolve; -var valueOrDefault$4 = helpers$1.valueOrDefault; - -core_defaults._set('doughnut', { - animation: { - // Boolean - Whether we animate the rotation of the Doughnut - animateRotate: true, - // Boolean - Whether we animate scaling the Doughnut from the centre - animateScale: false - }, - hover: { - mode: 'single' - }, - legendCallback: function(chart) { - var text = []; - text.push(''); - return text.join(''); - }, - legend: { - labels: { - generateLabels: function(chart) { - var data = chart.data; - if (data.labels.length && data.datasets.length) { - return data.labels.map(function(label, i) { - var meta = chart.getDatasetMeta(0); - var ds = data.datasets[0]; - var arc = meta.data[i]; - var custom = arc && arc.custom || {}; - var arcOpts = chart.options.elements.arc; - var fill = resolve$3([custom.backgroundColor, ds.backgroundColor, arcOpts.backgroundColor], undefined, i); - var stroke = resolve$3([custom.borderColor, ds.borderColor, arcOpts.borderColor], undefined, i); - var bw = resolve$3([custom.borderWidth, ds.borderWidth, arcOpts.borderWidth], undefined, i); - - return { - text: label, - fillStyle: fill, - strokeStyle: stroke, - lineWidth: bw, - hidden: isNaN(ds.data[i]) || meta.data[i].hidden, - - // Extra data used for toggling the correct item - index: i - }; - }); - } - return []; - } - }, - - onClick: function(e, legendItem) { - var index = legendItem.index; - var chart = this.chart; - var i, ilen, meta; - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - // toggle visibility of index if exists - if (meta.data[index]) { - meta.data[index].hidden = !meta.data[index].hidden; - } - } - - chart.update(); - } - }, - - // The percentage of the chart that we cut out of the middle. - cutoutPercentage: 50, - - // The rotation of the chart, where the first data arc begins. - rotation: Math.PI * -0.5, - - // The total circumference of the chart. - circumference: Math.PI * 2.0, - - // Need to override these to give a nice default - tooltips: { - callbacks: { - title: function() { - return ''; - }, - label: function(tooltipItem, data) { - var dataLabel = data.labels[tooltipItem.index]; - var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; - - if (helpers$1.isArray(dataLabel)) { - // show value on first line of multiline label - // need to clone because we are changing the value - dataLabel = dataLabel.slice(); - dataLabel[0] += value; - } else { - dataLabel += value; - } - - return dataLabel; - } - } - } -}); - -var controller_doughnut = core_datasetController.extend({ - - dataElementType: elements.Arc, - - linkScales: helpers$1.noop, - - // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly - getRingIndex: function(datasetIndex) { - var ringIndex = 0; - - for (var j = 0; j < datasetIndex; ++j) { - if (this.chart.isDatasetVisible(j)) { - ++ringIndex; - } - } - - return ringIndex; - }, - - update: function(reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var availableWidth = chartArea.right - chartArea.left; - var availableHeight = chartArea.bottom - chartArea.top; - var minSize = Math.min(availableWidth, availableHeight); - var offset = {x: 0, y: 0}; - var meta = me.getMeta(); - var arcs = meta.data; - var cutoutPercentage = opts.cutoutPercentage; - var circumference = opts.circumference; - var chartWeight = me._getRingWeight(me.index); - var i, ilen; - - // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc - if (circumference < Math.PI * 2.0) { - var startAngle = opts.rotation % (Math.PI * 2.0); - startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0); - var endAngle = startAngle + circumference; - var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)}; - var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)}; - var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle); - var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle); - var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle); - var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle); - var cutout = cutoutPercentage / 100.0; - var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))}; - var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))}; - var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5}; - minSize = Math.min(availableWidth / size.width, availableHeight / size.height); - offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5}; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arcs[i]._options = me._resolveElementOptions(arcs[i], i); - } - - chart.borderWidth = me.getMaxBorderWidth(); - chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0); - chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0); - chart.radiusLength = (chart.outerRadius - chart.innerRadius) / (me._getVisibleDatasetWeightTotal() || 1); - chart.offsetX = offset.x * chart.outerRadius; - chart.offsetY = offset.y * chart.outerRadius; - - meta.total = me.calculateTotal(); - - me.outerRadius = chart.outerRadius - chart.radiusLength * me._getRingWeightOffset(me.index); - me.innerRadius = Math.max(me.outerRadius - chart.radiusLength * chartWeight, 0); - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - me.updateElement(arcs[i], i, reset); - } - }, - - updateElement: function(arc, index, reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var animationOpts = opts.animation; - var centerX = (chartArea.left + chartArea.right) / 2; - var centerY = (chartArea.top + chartArea.bottom) / 2; - var startAngle = opts.rotation; // non reset case handled later - var endAngle = opts.rotation; // non reset case handled later - var dataset = me.getDataset(); - var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI)); - var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius; - var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius; - var options = arc._options || {}; - - helpers$1.extend(arc, { - // Utility - _datasetIndex: me.index, - _index: index, - - // Desired view properties - _model: { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - borderAlign: options.borderAlign, - x: centerX + chart.offsetX, - y: centerY + chart.offsetY, - startAngle: startAngle, - endAngle: endAngle, - circumference: circumference, - outerRadius: outerRadius, - innerRadius: innerRadius, - label: helpers$1.valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index]) - } - }); - - var model = arc._model; - - // Set correct angles if not resetting - if (!reset || !animationOpts.animateRotate) { - if (index === 0) { - model.startAngle = opts.rotation; - } else { - model.startAngle = me.getMeta().data[index - 1]._model.endAngle; - } - - model.endAngle = model.startAngle + model.circumference; - } - - arc.pivot(); - }, - - calculateTotal: function() { - var dataset = this.getDataset(); - var meta = this.getMeta(); - var total = 0; - var value; - - helpers$1.each(meta.data, function(element, index) { - value = dataset.data[index]; - if (!isNaN(value) && !element.hidden) { - total += Math.abs(value); - } - }); - - /* if (total === 0) { - total = NaN; - }*/ - - return total; - }, - - calculateCircumference: function(value) { - var total = this.getMeta().total; - if (total > 0 && !isNaN(value)) { - return (Math.PI * 2.0) * (Math.abs(value) / total); - } - return 0; - }, - - // gets the max border or hover width to properly scale pie charts - getMaxBorderWidth: function(arcs) { - var me = this; - var max = 0; - var chart = me.chart; - var i, ilen, meta, arc, controller, options, borderWidth, hoverWidth; - - if (!arcs) { - // Find the outmost visible dataset - for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - meta = chart.getDatasetMeta(i); - arcs = meta.data; - if (i !== me.index) { - controller = meta.controller; - } - break; - } - } - } - - if (!arcs) { - return 0; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arc = arcs[i]; - options = controller ? controller._resolveElementOptions(arc, i) : arc._options; - if (options.borderAlign !== 'inner') { - borderWidth = options.borderWidth; - hoverWidth = options.hoverBorderWidth; - - max = borderWidth > max ? borderWidth : max; - max = hoverWidth > max ? hoverWidth : max; - } - } - return max; - }, - - /** - * @protected - */ - setHoverStyle: function(arc) { - var model = arc._model; - var options = arc._options; - var getHoverColor = helpers$1.getHoverColor; - - arc.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - }; - - model.backgroundColor = valueOrDefault$4(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$4(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$4(options.hoverBorderWidth, options.borderWidth); - }, - - /** - * @private - */ - _resolveElementOptions: function(arc, index) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var custom = arc.custom || {}; - var options = chart.options.elements.arc; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'borderAlign', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$3([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * Get radius length offset of the dataset in relation to the visible datasets weights. This allows determining the inner and outer radius correctly - * @private - */ - _getRingWeightOffset: function(datasetIndex) { - var ringWeightOffset = 0; - - for (var i = 0; i < datasetIndex; ++i) { - if (this.chart.isDatasetVisible(i)) { - ringWeightOffset += this._getRingWeight(i); - } - } - - return ringWeightOffset; - }, - - /** - * @private - */ - _getRingWeight: function(dataSetIndex) { - return Math.max(valueOrDefault$4(this.chart.data.datasets[dataSetIndex].weight, 1), 0); - }, - - /** - * Returns the sum of all visibile data set weights. This value can be 0. - * @private - */ - _getVisibleDatasetWeightTotal: function() { - return this._getRingWeightOffset(this.chart.data.datasets.length); - } -}); - -core_defaults._set('horizontalBar', { - hover: { - mode: 'index', - axis: 'y' - }, - - scales: { - xAxes: [{ - type: 'linear', - position: 'bottom' - }], - - yAxes: [{ - type: 'category', - position: 'left', - categoryPercentage: 0.8, - barPercentage: 0.9, - offset: true, - gridLines: { - offsetGridLines: true - } - }] - }, - - elements: { - rectangle: { - borderSkipped: 'left' - } - }, - - tooltips: { - mode: 'index', - axis: 'y' - } -}); - -var controller_horizontalBar = controller_bar.extend({ - /** - * @private - */ - _getValueScaleId: function() { - return this.getMeta().xAxisID; - }, - - /** - * @private - */ - _getIndexScaleId: function() { - return this.getMeta().yAxisID; - } -}); - -var valueOrDefault$5 = helpers$1.valueOrDefault; -var resolve$4 = helpers$1.options.resolve; -var isPointInArea = helpers$1.canvas._isPointInArea; - -core_defaults._set('line', { - showLines: true, - spanGaps: false, - - hover: { - mode: 'label' - }, - - scales: { - xAxes: [{ - type: 'category', - id: 'x-axis-0' - }], - yAxes: [{ - type: 'linear', - id: 'y-axis-0' - }] - } -}); - -function lineEnabled(dataset, options) { - return valueOrDefault$5(dataset.showLine, options.showLines); -} - -var controller_line = core_datasetController.extend({ - - datasetElementType: elements.Line, - - dataElementType: elements.Point, - - update: function(reset) { - var me = this; - var meta = me.getMeta(); - var line = meta.dataset; - var points = meta.data || []; - var scale = me.getScaleForId(meta.yAxisID); - var dataset = me.getDataset(); - var showLine = lineEnabled(dataset, me.chart.options); - var i, ilen; - - // Update Line - if (showLine) { - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { - dataset.lineTension = dataset.tension; - } - - // Utility - line._scale = scale; - line._datasetIndex = me.index; - // Data - line._children = points; - // Model - line._model = me._resolveLineOptions(line); - - line.pivot(); - } - - // Update Points - for (i = 0, ilen = points.length; i < ilen; ++i) { - me.updateElement(points[i], i, reset); - } - - if (showLine && line._model.tension !== 0) { - me.updateBezierControlPoints(); - } - - // Now pivot the point for animation - for (i = 0, ilen = points.length; i < ilen; ++i) { - points[i].pivot(); - } - }, - - updateElement: function(point, index, reset) { - var me = this; - var meta = me.getMeta(); - var custom = point.custom || {}; - var dataset = me.getDataset(); - var datasetIndex = me.index; - var value = dataset.data[index]; - var yScale = me.getScaleForId(meta.yAxisID); - var xScale = me.getScaleForId(meta.xAxisID); - var lineModel = meta.dataset._model; - var x, y; - - var options = me._resolvePointOptions(point, index); - - x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex); - y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex); - - // Utility - point._xScale = xScale; - point._yScale = yScale; - point._options = options; - point._datasetIndex = datasetIndex; - point._index = index; - - // Desired view properties - point._model = { - x: x, - y: y, - skip: custom.skip || isNaN(x) || isNaN(y), - // Appearance - radius: options.radius, - pointStyle: options.pointStyle, - rotation: options.rotation, - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - tension: valueOrDefault$5(custom.tension, lineModel ? lineModel.tension : 0), - steppedLine: lineModel ? lineModel.steppedLine : false, - // Tooltip - hitRadius: options.hitRadius - }; - }, - - /** - * @private - */ - _resolvePointOptions: function(element, index) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options.elements.point; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var ELEMENT_OPTIONS = { - backgroundColor: 'pointBackgroundColor', - borderColor: 'pointBorderColor', - borderWidth: 'pointBorderWidth', - hitRadius: 'pointHitRadius', - hoverBackgroundColor: 'pointHoverBackgroundColor', - hoverBorderColor: 'pointHoverBorderColor', - hoverBorderWidth: 'pointHoverBorderWidth', - hoverRadius: 'pointHoverRadius', - pointStyle: 'pointStyle', - radius: 'pointRadius', - rotation: 'pointRotation' - }; - var keys = Object.keys(ELEMENT_OPTIONS); - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$4([ - custom[key], - dataset[ELEMENT_OPTIONS[key]], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * @private - */ - _resolveLineOptions: function(element) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options; - var elementOptions = options.elements.line; - var values = {}; - var i, ilen, key; - - var keys = [ - 'backgroundColor', - 'borderWidth', - 'borderColor', - 'borderCapStyle', - 'borderDash', - 'borderDashOffset', - 'borderJoinStyle', - 'fill', - 'cubicInterpolationMode' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$4([ - custom[key], - dataset[key], - elementOptions[key] - ]); - } - - // The default behavior of lines is to break at null values, according - // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158 - // This option gives lines the ability to span gaps - values.spanGaps = valueOrDefault$5(dataset.spanGaps, options.spanGaps); - values.tension = valueOrDefault$5(dataset.lineTension, elementOptions.tension); - values.steppedLine = resolve$4([custom.steppedLine, dataset.steppedLine, elementOptions.stepped]); - - return values; - }, - - calculatePointY: function(value, index, datasetIndex) { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var yScale = me.getScaleForId(meta.yAxisID); - var sumPos = 0; - var sumNeg = 0; - var i, ds, dsMeta; - - if (yScale.options.stacked) { - for (i = 0; i < datasetIndex; i++) { - ds = chart.data.datasets[i]; - dsMeta = chart.getDatasetMeta(i); - if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) { - var stackedRightValue = Number(yScale.getRightValue(ds.data[index])); - if (stackedRightValue < 0) { - sumNeg += stackedRightValue || 0; - } else { - sumPos += stackedRightValue || 0; - } - } - } - - var rightValue = Number(yScale.getRightValue(value)); - if (rightValue < 0) { - return yScale.getPixelForValue(sumNeg + rightValue); - } - return yScale.getPixelForValue(sumPos + rightValue); - } - - return yScale.getPixelForValue(value); - }, - - updateBezierControlPoints: function() { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var lineModel = meta.dataset._model; - var area = chart.chartArea; - var points = meta.data || []; - var i, ilen, model, controlPoints; - - // Only consider points that are drawn in case the spanGaps option is used - if (lineModel.spanGaps) { - points = points.filter(function(pt) { - return !pt._model.skip; - }); - } - - function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); - } - - if (lineModel.cubicInterpolationMode === 'monotone') { - helpers$1.splineCurveMonotone(points); - } else { - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - controlPoints = helpers$1.splineCurve( - helpers$1.previousItem(points, i)._model, - model, - helpers$1.nextItem(points, i)._model, - lineModel.tension - ); - model.controlPointPreviousX = controlPoints.previous.x; - model.controlPointPreviousY = controlPoints.previous.y; - model.controlPointNextX = controlPoints.next.x; - model.controlPointNextY = controlPoints.next.y; - } - } - - if (chart.options.elements.line.capBezierPoints) { - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - if (isPointInArea(model, area)) { - if (i > 0 && isPointInArea(points[i - 1]._model, area)) { - model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right); - model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom); - } - if (i < points.length - 1 && isPointInArea(points[i + 1]._model, area)) { - model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right); - model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom); - } - } - } - } - }, - - draw: function() { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var points = meta.data || []; - var area = chart.chartArea; - var ilen = points.length; - var halfBorderWidth; - var i = 0; - - if (lineEnabled(me.getDataset(), chart.options)) { - halfBorderWidth = (meta.dataset._model.borderWidth || 0) / 2; - - helpers$1.canvas.clipArea(chart.ctx, { - left: area.left, - right: area.right, - top: area.top - halfBorderWidth, - bottom: area.bottom + halfBorderWidth - }); - - meta.dataset.draw(); - - helpers$1.canvas.unclipArea(chart.ctx); - } - - // Draw the points - for (; i < ilen; ++i) { - points[i].draw(area); - } - }, - - /** - * @protected - */ - setHoverStyle: function(point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$5(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$5(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$5(options.hoverBorderWidth, options.borderWidth); - model.radius = valueOrDefault$5(options.hoverRadius, options.radius); - }, -}); - -var resolve$5 = helpers$1.options.resolve; - -core_defaults._set('polarArea', { - scale: { - type: 'radialLinear', - angleLines: { - display: false - }, - gridLines: { - circular: true - }, - pointLabels: { - display: false - }, - ticks: { - beginAtZero: true - } - }, - - // Boolean - Whether to animate the rotation of the chart - animation: { - animateRotate: true, - animateScale: true - }, - - startAngle: -0.5 * Math.PI, - legendCallback: function(chart) { - var text = []; - text.push(''); - return text.join(''); - }, - legend: { - labels: { - generateLabels: function(chart) { - var data = chart.data; - if (data.labels.length && data.datasets.length) { - return data.labels.map(function(label, i) { - var meta = chart.getDatasetMeta(0); - var ds = data.datasets[0]; - var arc = meta.data[i]; - var custom = arc.custom || {}; - var arcOpts = chart.options.elements.arc; - var fill = resolve$5([custom.backgroundColor, ds.backgroundColor, arcOpts.backgroundColor], undefined, i); - var stroke = resolve$5([custom.borderColor, ds.borderColor, arcOpts.borderColor], undefined, i); - var bw = resolve$5([custom.borderWidth, ds.borderWidth, arcOpts.borderWidth], undefined, i); - - return { - text: label, - fillStyle: fill, - strokeStyle: stroke, - lineWidth: bw, - hidden: isNaN(ds.data[i]) || meta.data[i].hidden, - - // Extra data used for toggling the correct item - index: i - }; - }); - } - return []; - } - }, - - onClick: function(e, legendItem) { - var index = legendItem.index; - var chart = this.chart; - var i, ilen, meta; - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - meta.data[index].hidden = !meta.data[index].hidden; - } - - chart.update(); - } - }, - - // Need to override these to give a nice default - tooltips: { - callbacks: { - title: function() { - return ''; - }, - label: function(item, data) { - return data.labels[item.index] + ': ' + item.yLabel; - } - } - } -}); - -var controller_polarArea = core_datasetController.extend({ - - dataElementType: elements.Arc, - - linkScales: helpers$1.noop, - - update: function(reset) { - var me = this; - var dataset = me.getDataset(); - var meta = me.getMeta(); - var start = me.chart.options.startAngle || 0; - var starts = me._starts = []; - var angles = me._angles = []; - var arcs = meta.data; - var i, ilen, angle; - - me._updateRadius(); - - meta.count = me.countVisibleElements(); - - for (i = 0, ilen = dataset.data.length; i < ilen; i++) { - starts[i] = start; - angle = me._computeAngle(i); - angles[i] = angle; - start += angle; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arcs[i]._options = me._resolveElementOptions(arcs[i], i); - me.updateElement(arcs[i], i, reset); - } - }, - - /** - * @private - */ - _updateRadius: function() { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); - - chart.outerRadius = Math.max(minSize / 2, 0); - chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); - chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); - - me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index); - me.innerRadius = me.outerRadius - chart.radiusLength; - }, - - updateElement: function(arc, index, reset) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var opts = chart.options; - var animationOpts = opts.animation; - var scale = chart.scale; - var labels = chart.data.labels; - - var centerX = scale.xCenter; - var centerY = scale.yCenter; - - // var negHalfPI = -0.5 * Math.PI; - var datasetStartAngle = opts.startAngle; - var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); - var startAngle = me._starts[index]; - var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]); - - var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); - var options = arc._options || {}; - - helpers$1.extend(arc, { - // Utility - _datasetIndex: me.index, - _index: index, - _scale: scale, - - // Desired view properties - _model: { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - borderAlign: options.borderAlign, - x: centerX, - y: centerY, - innerRadius: 0, - outerRadius: reset ? resetRadius : distance, - startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle, - endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle, - label: helpers$1.valueAtIndexOrDefault(labels, index, labels[index]) - } - }); - - arc.pivot(); - }, - - countVisibleElements: function() { - var dataset = this.getDataset(); - var meta = this.getMeta(); - var count = 0; - - helpers$1.each(meta.data, function(element, index) { - if (!isNaN(dataset.data[index]) && !element.hidden) { - count++; - } - }); - - return count; - }, - - /** - * @protected - */ - setHoverStyle: function(arc) { - var model = arc._model; - var options = arc._options; - var getHoverColor = helpers$1.getHoverColor; - var valueOrDefault = helpers$1.valueOrDefault; - - arc.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - }; - - model.backgroundColor = valueOrDefault(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault(options.hoverBorderWidth, options.borderWidth); - }, - - /** - * @private - */ - _resolveElementOptions: function(arc, index) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var custom = arc.custom || {}; - var options = chart.options.elements.arc; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'borderAlign', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$5([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * @private - */ - _computeAngle: function(index) { - var me = this; - var count = this.getMeta().count; - var dataset = me.getDataset(); - var meta = me.getMeta(); - - if (isNaN(dataset.data[index]) || meta.data[index].hidden) { - return 0; - } - - // Scriptable options - var context = { - chart: me.chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - return resolve$5([ - me.chart.options.elements.arc.angle, - (2 * Math.PI) / count - ], context, index); - } -}); - -core_defaults._set('pie', helpers$1.clone(core_defaults.doughnut)); -core_defaults._set('pie', { - cutoutPercentage: 0 -}); - -// Pie charts are Doughnut chart with different defaults -var controller_pie = controller_doughnut; - -var valueOrDefault$6 = helpers$1.valueOrDefault; -var resolve$6 = helpers$1.options.resolve; - -core_defaults._set('radar', { - scale: { - type: 'radialLinear' - }, - elements: { - line: { - tension: 0 // no bezier in radar - } - } -}); - -var controller_radar = core_datasetController.extend({ - - datasetElementType: elements.Line, - - dataElementType: elements.Point, - - linkScales: helpers$1.noop, - - update: function(reset) { - var me = this; - var meta = me.getMeta(); - var line = meta.dataset; - var points = meta.data || []; - var scale = me.chart.scale; - var dataset = me.getDataset(); - var i, ilen; - - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { - dataset.lineTension = dataset.tension; - } - - // Utility - line._scale = scale; - line._datasetIndex = me.index; - // Data - line._children = points; - line._loop = true; - // Model - line._model = me._resolveLineOptions(line); - - line.pivot(); - - // Update Points - for (i = 0, ilen = points.length; i < ilen; ++i) { - me.updateElement(points[i], i, reset); - } - - // Update bezier control points - me.updateBezierControlPoints(); - - // Now pivot the point for animation - for (i = 0, ilen = points.length; i < ilen; ++i) { - points[i].pivot(); - } - }, - - updateElement: function(point, index, reset) { - var me = this; - var custom = point.custom || {}; - var dataset = me.getDataset(); - var scale = me.chart.scale; - var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]); - var options = me._resolvePointOptions(point, index); - var lineModel = me.getMeta().dataset._model; - var x = reset ? scale.xCenter : pointPosition.x; - var y = reset ? scale.yCenter : pointPosition.y; - - // Utility - point._scale = scale; - point._options = options; - point._datasetIndex = me.index; - point._index = index; - - // Desired view properties - point._model = { - x: x, // value not used in dataset scale, but we want a consistent API between scales - y: y, - skip: custom.skip || isNaN(x) || isNaN(y), - // Appearance - radius: options.radius, - pointStyle: options.pointStyle, - rotation: options.rotation, - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - tension: valueOrDefault$6(custom.tension, lineModel ? lineModel.tension : 0), - - // Tooltip - hitRadius: options.hitRadius - }; - }, - - /** - * @private - */ - _resolvePointOptions: function(element, index) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options.elements.point; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var ELEMENT_OPTIONS = { - backgroundColor: 'pointBackgroundColor', - borderColor: 'pointBorderColor', - borderWidth: 'pointBorderWidth', - hitRadius: 'pointHitRadius', - hoverBackgroundColor: 'pointHoverBackgroundColor', - hoverBorderColor: 'pointHoverBorderColor', - hoverBorderWidth: 'pointHoverBorderWidth', - hoverRadius: 'pointHoverRadius', - pointStyle: 'pointStyle', - radius: 'pointRadius', - rotation: 'pointRotation' - }; - var keys = Object.keys(ELEMENT_OPTIONS); - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$6([ - custom[key], - dataset[ELEMENT_OPTIONS[key]], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * @private - */ - _resolveLineOptions: function(element) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options.elements.line; - var values = {}; - var i, ilen, key; - - var keys = [ - 'backgroundColor', - 'borderWidth', - 'borderColor', - 'borderCapStyle', - 'borderDash', - 'borderDashOffset', - 'borderJoinStyle', - 'fill' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$6([ - custom[key], - dataset[key], - options[key] - ]); - } - - values.tension = valueOrDefault$6(dataset.lineTension, options.tension); - - return values; - }, - - updateBezierControlPoints: function() { - var me = this; - var meta = me.getMeta(); - var area = me.chart.chartArea; - var points = meta.data || []; - var i, ilen, model, controlPoints; - - function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); - } - - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - controlPoints = helpers$1.splineCurve( - helpers$1.previousItem(points, i, true)._model, - model, - helpers$1.nextItem(points, i, true)._model, - model.tension - ); - - // Prevent the bezier going outside of the bounds of the graph - model.controlPointPreviousX = capControlPoint(controlPoints.previous.x, area.left, area.right); - model.controlPointPreviousY = capControlPoint(controlPoints.previous.y, area.top, area.bottom); - model.controlPointNextX = capControlPoint(controlPoints.next.x, area.left, area.right); - model.controlPointNextY = capControlPoint(controlPoints.next.y, area.top, area.bottom); - } - }, - - setHoverStyle: function(point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$6(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$6(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$6(options.hoverBorderWidth, options.borderWidth); - model.radius = valueOrDefault$6(options.hoverRadius, options.radius); - } -}); - -core_defaults._set('scatter', { - hover: { - mode: 'single' - }, - - scales: { - xAxes: [{ - id: 'x-axis-1', // need an ID so datasets can reference the scale - type: 'linear', // scatter should not use a category axis - position: 'bottom' - }], - yAxes: [{ - id: 'y-axis-1', - type: 'linear', - position: 'left' - }] - }, - - showLines: false, - - tooltips: { - callbacks: { - title: function() { - return ''; // doesn't make sense for scatter since data are formatted as a point - }, - label: function(item) { - return '(' + item.xLabel + ', ' + item.yLabel + ')'; - } - } - } -}); - -// Scatter charts use line controllers -var controller_scatter = controller_line; - -// NOTE export a map in which the key represents the controller type, not -// the class, and so must be CamelCase in order to be correctly retrieved -// by the controller in core.controller.js (`controllers[meta.type]`). - -var controllers = { - bar: controller_bar, - bubble: controller_bubble, - doughnut: controller_doughnut, - horizontalBar: controller_horizontalBar, - line: controller_line, - polarArea: controller_polarArea, - pie: controller_pie, - radar: controller_radar, - scatter: controller_scatter -}; - -/** - * Helper function to get relative position for an event - * @param {Event|IEvent} event - The event to get the position for - * @param {Chart} chart - The chart - * @returns {object} the event position - */ -function getRelativePosition(e, chart) { - if (e.native) { - return { - x: e.x, - y: e.y - }; - } - - return helpers$1.getRelativePosition(e, chart); -} - -/** - * Helper function to traverse all of the visible elements in the chart - * @param {Chart} chart - the chart - * @param {function} handler - the callback to execute for each visible item - */ -function parseVisibleItems(chart, handler) { - var datasets = chart.data.datasets; - var meta, i, j, ilen, jlen; - - for (i = 0, ilen = datasets.length; i < ilen; ++i) { - if (!chart.isDatasetVisible(i)) { - continue; - } - - meta = chart.getDatasetMeta(i); - for (j = 0, jlen = meta.data.length; j < jlen; ++j) { - var element = meta.data[j]; - if (!element._view.skip) { - handler(element); - } - } - } -} - -/** - * Helper function to get the items that intersect the event position - * @param {ChartElement[]} items - elements to filter - * @param {object} position - the point to be nearest to - * @return {ChartElement[]} the nearest items - */ -function getIntersectItems(chart, position) { - var elements = []; - - parseVisibleItems(chart, function(element) { - if (element.inRange(position.x, position.y)) { - elements.push(element); - } - }); - - return elements; -} - -/** - * Helper function to get the items nearest to the event position considering all visible items in teh chart - * @param {Chart} chart - the chart to look at elements from - * @param {object} position - the point to be nearest to - * @param {boolean} intersect - if true, only consider items that intersect the position - * @param {function} distanceMetric - function to provide the distance between points - * @return {ChartElement[]} the nearest items - */ -function getNearestItems(chart, position, intersect, distanceMetric) { - var minDistance = Number.POSITIVE_INFINITY; - var nearestItems = []; - - parseVisibleItems(chart, function(element) { - if (intersect && !element.inRange(position.x, position.y)) { - return; - } - - var center = element.getCenterPoint(); - var distance = distanceMetric(position, center); - if (distance < minDistance) { - nearestItems = [element]; - minDistance = distance; - } else if (distance === minDistance) { - // Can have multiple items at the same distance in which case we sort by size - nearestItems.push(element); - } - }); - - return nearestItems; -} - -/** - * Get a distance metric function for two points based on the - * axis mode setting - * @param {string} axis - the axis mode. x|y|xy - */ -function getDistanceMetricForAxis(axis) { - var useX = axis.indexOf('x') !== -1; - var useY = axis.indexOf('y') !== -1; - - return function(pt1, pt2) { - var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; - var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; - return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); - }; -} - -function indexMode(chart, e, options) { - var position = getRelativePosition(e, chart); - // Default axis for index mode is 'x' to match old behaviour - options.axis = options.axis || 'x'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); - var elements = []; - - if (!items.length) { - return []; - } - - chart.data.datasets.forEach(function(dataset, datasetIndex) { - if (chart.isDatasetVisible(datasetIndex)) { - var meta = chart.getDatasetMeta(datasetIndex); - var element = meta.data[items[0]._index]; - - // don't count items that are skipped (null data) - if (element && !element._view.skip) { - elements.push(element); - } - } - }); - - return elements; -} - -/** - * @interface IInteractionOptions - */ -/** - * If true, only consider items that intersect the point - * @name IInterfaceOptions#boolean - * @type Boolean - */ - -/** - * Contains interaction related functions - * @namespace Chart.Interaction - */ -var core_interaction = { - // Helper function for different modes - modes: { - single: function(chart, e) { - var position = getRelativePosition(e, chart); - var elements = []; - - parseVisibleItems(chart, function(element) { - if (element.inRange(position.x, position.y)) { - elements.push(element); - return elements; - } - }); - - return elements.slice(0, 1); - }, - - /** - * @function Chart.Interaction.modes.label - * @deprecated since version 2.4.0 - * @todo remove at version 3 - * @private - */ - label: indexMode, - - /** - * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something - * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item - * @function Chart.Interaction.modes.index - * @since v2.4.0 - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use during interaction - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - index: indexMode, - - /** - * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something - * If the options.intersect is false, we find the nearest item and return the items in that dataset - * @function Chart.Interaction.modes.dataset - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use during interaction - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - dataset: function(chart, e, options) { - var position = getRelativePosition(e, chart); - options.axis = options.axis || 'xy'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); - - if (items.length > 0) { - items = chart.getDatasetMeta(items[0]._datasetIndex).data; - } - - return items; - }, - - /** - * @function Chart.Interaction.modes.x-axis - * @deprecated since version 2.4.0. Use index mode and intersect == true - * @todo remove at version 3 - * @private - */ - 'x-axis': function(chart, e) { - return indexMode(chart, e, {intersect: false}); - }, - - /** - * Point mode returns all elements that hit test based on the event position - * of the event - * @function Chart.Interaction.modes.intersect - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - point: function(chart, e) { - var position = getRelativePosition(e, chart); - return getIntersectItems(chart, position); - }, - - /** - * nearest mode returns the element closest to the point - * @function Chart.Interaction.modes.intersect - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - nearest: function(chart, e, options) { - var position = getRelativePosition(e, chart); - options.axis = options.axis || 'xy'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - return getNearestItems(chart, position, options.intersect, distanceMetric); - }, - - /** - * x mode returns the elements that hit-test at the current x coordinate - * @function Chart.Interaction.modes.x - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - x: function(chart, e, options) { - var position = getRelativePosition(e, chart); - var items = []; - var intersectsItem = false; - - parseVisibleItems(chart, function(element) { - if (element.inXRange(position.x)) { - items.push(element); - } - - if (element.inRange(position.x, position.y)) { - intersectsItem = true; - } - }); - - // If we want to trigger on an intersect and we don't have any items - // that intersect the position, return nothing - if (options.intersect && !intersectsItem) { - items = []; - } - return items; - }, - - /** - * y mode returns the elements that hit-test at the current y coordinate - * @function Chart.Interaction.modes.y - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - y: function(chart, e, options) { - var position = getRelativePosition(e, chart); - var items = []; - var intersectsItem = false; - - parseVisibleItems(chart, function(element) { - if (element.inYRange(position.y)) { - items.push(element); - } - - if (element.inRange(position.x, position.y)) { - intersectsItem = true; - } - }); - - // If we want to trigger on an intersect and we don't have any items - // that intersect the position, return nothing - if (options.intersect && !intersectsItem) { - items = []; - } - return items; - } - } -}; - -function filterByPosition(array, position) { - return helpers$1.where(array, function(v) { - return v.position === position; - }); -} - -function sortByWeight(array, reverse) { - array.forEach(function(v, i) { - v._tmpIndex_ = i; - return v; - }); - array.sort(function(a, b) { - var v0 = reverse ? b : a; - var v1 = reverse ? a : b; - return v0.weight === v1.weight ? - v0._tmpIndex_ - v1._tmpIndex_ : - v0.weight - v1.weight; - }); - array.forEach(function(v) { - delete v._tmpIndex_; - }); -} - -function findMaxPadding(boxes) { - var top = 0; - var left = 0; - var bottom = 0; - var right = 0; - helpers$1.each(boxes, function(box) { - if (box.getPadding) { - var boxPadding = box.getPadding(); - top = Math.max(top, boxPadding.top); - left = Math.max(left, boxPadding.left); - bottom = Math.max(bottom, boxPadding.bottom); - right = Math.max(right, boxPadding.right); - } - }); - return { - top: top, - left: left, - bottom: bottom, - right: right - }; -} - -function addSizeByPosition(boxes, size) { - helpers$1.each(boxes, function(box) { - size[box.position] += box.isHorizontal() ? box.height : box.width; - }); -} - -core_defaults._set('global', { - layout: { - padding: { - top: 0, - right: 0, - bottom: 0, - left: 0 - } - } -}); - -/** - * @interface ILayoutItem - * @prop {string} position - The position of the item in the chart layout. Possible values are - * 'left', 'top', 'right', 'bottom', and 'chartArea' - * @prop {number} weight - The weight used to sort the item. Higher weights are further away from the chart area - * @prop {boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down - * @prop {function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom) - * @prop {function} update - Takes two parameters: width and height. Returns size of item - * @prop {function} getPadding - Returns an object with padding on the edges - * @prop {number} width - Width of item. Must be valid after update() - * @prop {number} height - Height of item. Must be valid after update() - * @prop {number} left - Left edge of the item. Set by layout system and cannot be used in update - * @prop {number} top - Top edge of the item. Set by layout system and cannot be used in update - * @prop {number} right - Right edge of the item. Set by layout system and cannot be used in update - * @prop {number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update - */ - -// The layout service is very self explanatory. It's responsible for the layout within a chart. -// Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need -// It is this service's responsibility of carrying out that layout. -var core_layouts = { - defaults: {}, - - /** - * Register a box to a chart. - * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title. - * @param {Chart} chart - the chart to use - * @param {ILayoutItem} item - the item to add to be layed out - */ - addBox: function(chart, item) { - if (!chart.boxes) { - chart.boxes = []; - } - - // initialize item with default values - item.fullWidth = item.fullWidth || false; - item.position = item.position || 'top'; - item.weight = item.weight || 0; - - chart.boxes.push(item); - }, - - /** - * Remove a layoutItem from a chart - * @param {Chart} chart - the chart to remove the box from - * @param {ILayoutItem} layoutItem - the item to remove from the layout - */ - removeBox: function(chart, layoutItem) { - var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; - if (index !== -1) { - chart.boxes.splice(index, 1); - } - }, - - /** - * Sets (or updates) options on the given `item`. - * @param {Chart} chart - the chart in which the item lives (or will be added to) - * @param {ILayoutItem} item - the item to configure with the given options - * @param {object} options - the new item options. - */ - configure: function(chart, item, options) { - var props = ['fullWidth', 'position', 'weight']; - var ilen = props.length; - var i = 0; - var prop; - - for (; i < ilen; ++i) { - prop = props[i]; - if (options.hasOwnProperty(prop)) { - item[prop] = options[prop]; - } - } - }, - - /** - * Fits boxes of the given chart into the given size by having each box measure itself - * then running a fitting algorithm - * @param {Chart} chart - the chart - * @param {number} width - the width to fit into - * @param {number} height - the height to fit into - */ - update: function(chart, width, height) { - if (!chart) { - return; - } - - var layoutOptions = chart.options.layout || {}; - var padding = helpers$1.options.toPadding(layoutOptions.padding); - var leftPadding = padding.left; - var rightPadding = padding.right; - var topPadding = padding.top; - var bottomPadding = padding.bottom; - - var leftBoxes = filterByPosition(chart.boxes, 'left'); - var rightBoxes = filterByPosition(chart.boxes, 'right'); - var topBoxes = filterByPosition(chart.boxes, 'top'); - var bottomBoxes = filterByPosition(chart.boxes, 'bottom'); - var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea'); - - // Sort boxes by weight. A higher weight is further away from the chart area - sortByWeight(leftBoxes, true); - sortByWeight(rightBoxes, false); - sortByWeight(topBoxes, true); - sortByWeight(bottomBoxes, false); - - var verticalBoxes = leftBoxes.concat(rightBoxes); - var horizontalBoxes = topBoxes.concat(bottomBoxes); - var outerBoxes = verticalBoxes.concat(horizontalBoxes); - - // Essentially we now have any number of boxes on each of the 4 sides. - // Our canvas looks like the following. - // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and - // B1 is the bottom axis - // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays - // These locations are single-box locations only, when trying to register a chartArea location that is already taken, - // an error will be thrown. - // - // |----------------------------------------------------| - // | T1 (Full Width) | - // |----------------------------------------------------| - // | | | T2 | | - // | |----|-------------------------------------|----| - // | | | C1 | | C2 | | - // | | |----| |----| | - // | | | | | - // | L1 | L2 | ChartArea (C0) | R1 | - // | | | | | - // | | |----| |----| | - // | | | C3 | | C4 | | - // | |----|-------------------------------------|----| - // | | | B1 | | - // |----------------------------------------------------| - // | B2 (Full Width) | - // |----------------------------------------------------| - // - // What we do to find the best sizing, we do the following - // 1. Determine the minimum size of the chart area. - // 2. Split the remaining width equally between each vertical axis - // 3. Split the remaining height equally between each horizontal axis - // 4. Give each layout the maximum size it can be. The layout will return it's minimum size - // 5. Adjust the sizes of each axis based on it's minimum reported size. - // 6. Refit each axis - // 7. Position each axis in the final location - // 8. Tell the chart the final location of the chart area - // 9. Tell any axes that overlay the chart area the positions of the chart area - - // Step 1 - var chartWidth = width - leftPadding - rightPadding; - var chartHeight = height - topPadding - bottomPadding; - var chartAreaWidth = chartWidth / 2; // min 50% - - // Step 2 - var verticalBoxWidth = (width - chartAreaWidth) / verticalBoxes.length; - - // Step 3 - // TODO re-limit horizontal axis height (this limit has affected only padding calculation since PR 1837) - // var horizontalBoxHeight = (height - chartAreaHeight) / horizontalBoxes.length; - - // Step 4 - var maxChartAreaWidth = chartWidth; - var maxChartAreaHeight = chartHeight; - var outerBoxSizes = {top: topPadding, left: leftPadding, bottom: bottomPadding, right: rightPadding}; - var minBoxSizes = []; - var maxPadding; - - function getMinimumBoxSize(box) { - var minSize; - var isHorizontal = box.isHorizontal(); - - if (isHorizontal) { - minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2); - maxChartAreaHeight -= minSize.height; - } else { - minSize = box.update(verticalBoxWidth, maxChartAreaHeight); - maxChartAreaWidth -= minSize.width; - } - - minBoxSizes.push({ - horizontal: isHorizontal, - width: minSize.width, - box: box, - }); - } - - helpers$1.each(outerBoxes, getMinimumBoxSize); - - // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478) - maxPadding = findMaxPadding(outerBoxes); - - // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could - // be if the axes are drawn at their minimum sizes. - // Steps 5 & 6 - - // Function to fit a box - function fitBox(box) { - var minBoxSize = helpers$1.findNextWhere(minBoxSizes, function(minBox) { - return minBox.box === box; - }); - - if (minBoxSize) { - if (minBoxSize.horizontal) { - var scaleMargin = { - left: Math.max(outerBoxSizes.left, maxPadding.left), - right: Math.max(outerBoxSizes.right, maxPadding.right), - top: 0, - bottom: 0 - }; - - // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends - // on the margin. Sometimes they need to increase in size slightly - box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin); - } else { - box.update(minBoxSize.width, maxChartAreaHeight); - } - } - } - - // Update, and calculate the left and right margins for the horizontal boxes - helpers$1.each(verticalBoxes, fitBox); - addSizeByPosition(verticalBoxes, outerBoxSizes); - - // Set the Left and Right margins for the horizontal boxes - helpers$1.each(horizontalBoxes, fitBox); - addSizeByPosition(horizontalBoxes, outerBoxSizes); - - function finalFitVerticalBox(box) { - var minBoxSize = helpers$1.findNextWhere(minBoxSizes, function(minSize) { - return minSize.box === box; - }); - - var scaleMargin = { - left: 0, - right: 0, - top: outerBoxSizes.top, - bottom: outerBoxSizes.bottom - }; - - if (minBoxSize) { - box.update(minBoxSize.width, maxChartAreaHeight, scaleMargin); - } - } - - // Let the left layout know the final margin - helpers$1.each(verticalBoxes, finalFitVerticalBox); - - // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance) - outerBoxSizes = {top: topPadding, left: leftPadding, bottom: bottomPadding, right: rightPadding}; - addSizeByPosition(outerBoxes, outerBoxSizes); - - // We may be adding some padding to account for rotated x axis labels - var leftPaddingAddition = Math.max(maxPadding.left - outerBoxSizes.left, 0); - outerBoxSizes.left += leftPaddingAddition; - outerBoxSizes.right += Math.max(maxPadding.right - outerBoxSizes.right, 0); - - var topPaddingAddition = Math.max(maxPadding.top - outerBoxSizes.top, 0); - outerBoxSizes.top += topPaddingAddition; - outerBoxSizes.bottom += Math.max(maxPadding.bottom - outerBoxSizes.bottom, 0); - - // Figure out if our chart area changed. This would occur if the dataset layout label rotation - // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do - // without calling `fit` again - var newMaxChartAreaHeight = height - outerBoxSizes.top - outerBoxSizes.bottom; - var newMaxChartAreaWidth = width - outerBoxSizes.left - outerBoxSizes.right; - - if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) { - helpers$1.each(verticalBoxes, function(box) { - box.height = newMaxChartAreaHeight; - }); - - helpers$1.each(horizontalBoxes, function(box) { - if (!box.fullWidth) { - box.width = newMaxChartAreaWidth; - } - }); - - maxChartAreaHeight = newMaxChartAreaHeight; - maxChartAreaWidth = newMaxChartAreaWidth; - } - - // Step 7 - Position the boxes - var left = leftPadding + leftPaddingAddition; - var top = topPadding + topPaddingAddition; - - function placeBox(box) { - if (box.isHorizontal()) { - box.left = box.fullWidth ? leftPadding : outerBoxSizes.left; - box.right = box.fullWidth ? width - rightPadding : outerBoxSizes.left + maxChartAreaWidth; - box.top = top; - box.bottom = top + box.height; - - // Move to next point - top = box.bottom; - - } else { - - box.left = left; - box.right = left + box.width; - box.top = outerBoxSizes.top; - box.bottom = outerBoxSizes.top + maxChartAreaHeight; - - // Move to next point - left = box.right; - } - } - - helpers$1.each(leftBoxes.concat(topBoxes), placeBox); - - // Account for chart width and height - left += maxChartAreaWidth; - top += maxChartAreaHeight; - - helpers$1.each(rightBoxes, placeBox); - helpers$1.each(bottomBoxes, placeBox); - - // Step 8 - chart.chartArea = { - left: outerBoxSizes.left, - top: outerBoxSizes.top, - right: outerBoxSizes.left + maxChartAreaWidth, - bottom: outerBoxSizes.top + maxChartAreaHeight - }; - - // Step 9 - helpers$1.each(chartAreaBoxes, function(box) { - box.left = chart.chartArea.left; - box.top = chart.chartArea.top; - box.right = chart.chartArea.right; - box.bottom = chart.chartArea.bottom; - - box.update(maxChartAreaWidth, maxChartAreaHeight); - }); - } -}; - -/** - * Platform fallback implementation (minimal). - * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939 - */ - -var platform_basic = { - acquireContext: function(item) { - if (item && item.canvas) { - // Support for any object associated to a canvas (including a context2d) - item = item.canvas; - } - - return item && item.getContext('2d') || null; - } -}; - -var platform_dom = "/*\n * DOM element rendering detection\n * https://davidwalsh.name/detect-node-insertion\n */\n@keyframes chartjs-render-animation {\n\tfrom { opacity: 0.99; }\n\tto { opacity: 1; }\n}\n\n.chartjs-render-monitor {\n\tanimation: chartjs-render-animation 0.001s;\n}\n\n/*\n * DOM element resizing detection\n * https://github.com/marcj/css-element-queries\n */\n.chartjs-size-monitor,\n.chartjs-size-monitor-expand,\n.chartjs-size-monitor-shrink {\n\tposition: absolute;\n\tdirection: ltr;\n\tleft: 0;\n\ttop: 0;\n\tright: 0;\n\tbottom: 0;\n\toverflow: hidden;\n\tpointer-events: none;\n\tvisibility: hidden;\n\tz-index: -1;\n}\n\n.chartjs-size-monitor-expand > div {\n\tposition: absolute;\n\twidth: 1000000px;\n\theight: 1000000px;\n\tleft: 0;\n\ttop: 0;\n}\n\n.chartjs-size-monitor-shrink > div {\n\tposition: absolute;\n\twidth: 200%;\n\theight: 200%;\n\tleft: 0;\n\ttop: 0;\n}\n"; - -var platform_dom$1 = /*#__PURE__*/Object.freeze({ -default: platform_dom -}); - -var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {}; - -function commonjsRequire () { - throw new Error('Dynamic requires are not currently supported by rollup-plugin-commonjs'); -} - -function createCommonjsModule(fn, module) { - return module = { exports: {} }, fn(module, module.exports), module.exports; -} - -function getCjsExportFromNamespace (n) { - return n && n.default || n; -} - -var stylesheet = getCjsExportFromNamespace(platform_dom$1); - -var EXPANDO_KEY = '$chartjs'; -var CSS_PREFIX = 'chartjs-'; -var CSS_SIZE_MONITOR = CSS_PREFIX + 'size-monitor'; -var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor'; -var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation'; -var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart']; - -/** - * DOM event types -> Chart.js event types. - * Note: only events with different types are mapped. - * @see https://developer.mozilla.org/en-US/docs/Web/Events - */ -var EVENT_TYPES = { - touchstart: 'mousedown', - touchmove: 'mousemove', - touchend: 'mouseup', - pointerenter: 'mouseenter', - pointerdown: 'mousedown', - pointermove: 'mousemove', - pointerup: 'mouseup', - pointerleave: 'mouseout', - pointerout: 'mouseout' -}; - -/** - * The "used" size is the final value of a dimension property after all calculations have - * been performed. This method uses the computed style of `element` but returns undefined - * if the computed style is not expressed in pixels. That can happen in some cases where - * `element` has a size relative to its parent and this last one is not yet displayed, - * for example because of `display: none` on a parent node. - * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value - * @returns {number} Size in pixels or undefined if unknown. - */ -function readUsedSize(element, property) { - var value = helpers$1.getStyle(element, property); - var matches = value && value.match(/^(\d+)(\.\d+)?px$/); - return matches ? Number(matches[1]) : undefined; -} - -/** - * Initializes the canvas style and render size without modifying the canvas display size, - * since responsiveness is handled by the controller.resize() method. The config is used - * to determine the aspect ratio to apply in case no explicit height has been specified. - */ -function initCanvas(canvas, config) { - var style = canvas.style; - - // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it - // returns null or '' if no explicit value has been set to the canvas attribute. - var renderHeight = canvas.getAttribute('height'); - var renderWidth = canvas.getAttribute('width'); - - // Chart.js modifies some canvas values that we want to restore on destroy - canvas[EXPANDO_KEY] = { - initial: { - height: renderHeight, - width: renderWidth, - style: { - display: style.display, - height: style.height, - width: style.width - } - } - }; - - // Force canvas to display as block to avoid extra space caused by inline - // elements, which would interfere with the responsive resize process. - // https://github.com/chartjs/Chart.js/issues/2538 - style.display = style.display || 'block'; - - if (renderWidth === null || renderWidth === '') { - var displayWidth = readUsedSize(canvas, 'width'); - if (displayWidth !== undefined) { - canvas.width = displayWidth; - } - } - - if (renderHeight === null || renderHeight === '') { - if (canvas.style.height === '') { - // If no explicit render height and style height, let's apply the aspect ratio, - // which one can be specified by the user but also by charts as default option - // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2. - canvas.height = canvas.width / (config.options.aspectRatio || 2); - } else { - var displayHeight = readUsedSize(canvas, 'height'); - if (displayWidth !== undefined) { - canvas.height = displayHeight; - } - } - } - - return canvas; -} - -/** - * Detects support for options object argument in addEventListener. - * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support - * @private - */ -var supportsEventListenerOptions = (function() { - var supports = false; - try { - var options = Object.defineProperty({}, 'passive', { - // eslint-disable-next-line getter-return - get: function() { - supports = true; - } - }); - window.addEventListener('e', null, options); - } catch (e) { - // continue regardless of error - } - return supports; -}()); - -// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events. -// https://github.com/chartjs/Chart.js/issues/4287 -var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false; - -function addListener(node, type, listener) { - node.addEventListener(type, listener, eventListenerOptions); -} - -function removeListener(node, type, listener) { - node.removeEventListener(type, listener, eventListenerOptions); -} - -function createEvent(type, chart, x, y, nativeEvent) { - return { - type: type, - chart: chart, - native: nativeEvent || null, - x: x !== undefined ? x : null, - y: y !== undefined ? y : null, - }; -} - -function fromNativeEvent(event, chart) { - var type = EVENT_TYPES[event.type] || event.type; - var pos = helpers$1.getRelativePosition(event, chart); - return createEvent(type, chart, pos.x, pos.y, event); -} - -function throttled(fn, thisArg) { - var ticking = false; - var args = []; - - return function() { - args = Array.prototype.slice.call(arguments); - thisArg = thisArg || this; - - if (!ticking) { - ticking = true; - helpers$1.requestAnimFrame.call(window, function() { - ticking = false; - fn.apply(thisArg, args); - }); - } - }; -} - -function createDiv(cls) { - var el = document.createElement('div'); - el.className = cls || ''; - return el; -} - -// Implementation based on https://github.com/marcj/css-element-queries -function createResizer(handler) { - var maxSize = 1000000; - - // NOTE(SB) Don't use innerHTML because it could be considered unsafe. - // https://github.com/chartjs/Chart.js/issues/5902 - var resizer = createDiv(CSS_SIZE_MONITOR); - var expand = createDiv(CSS_SIZE_MONITOR + '-expand'); - var shrink = createDiv(CSS_SIZE_MONITOR + '-shrink'); - - expand.appendChild(createDiv()); - shrink.appendChild(createDiv()); - - resizer.appendChild(expand); - resizer.appendChild(shrink); - resizer._reset = function() { - expand.scrollLeft = maxSize; - expand.scrollTop = maxSize; - shrink.scrollLeft = maxSize; - shrink.scrollTop = maxSize; - }; - - var onScroll = function() { - resizer._reset(); - handler(); - }; - - addListener(expand, 'scroll', onScroll.bind(expand, 'expand')); - addListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink')); - - return resizer; -} - -// https://davidwalsh.name/detect-node-insertion -function watchForRender(node, handler) { - var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); - var proxy = expando.renderProxy = function(e) { - if (e.animationName === CSS_RENDER_ANIMATION) { - handler(); - } - }; - - helpers$1.each(ANIMATION_START_EVENTS, function(type) { - addListener(node, type, proxy); - }); - - // #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class - // is removed then added back immediately (same animation frame?). Accessing the - // `offsetParent` property will force a reflow and re-evaluate the CSS animation. - // https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics - // https://github.com/chartjs/Chart.js/issues/4737 - expando.reflow = !!node.offsetParent; - - node.classList.add(CSS_RENDER_MONITOR); -} - -function unwatchForRender(node) { - var expando = node[EXPANDO_KEY] || {}; - var proxy = expando.renderProxy; - - if (proxy) { - helpers$1.each(ANIMATION_START_EVENTS, function(type) { - removeListener(node, type, proxy); - }); - - delete expando.renderProxy; - } - - node.classList.remove(CSS_RENDER_MONITOR); -} - -function addResizeListener(node, listener, chart) { - var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); - - // Let's keep track of this added resizer and thus avoid DOM query when removing it. - var resizer = expando.resizer = createResizer(throttled(function() { - if (expando.resizer) { - var container = chart.options.maintainAspectRatio && node.parentNode; - var w = container ? container.clientWidth : 0; - listener(createEvent('resize', chart)); - if (container && container.clientWidth < w && chart.canvas) { - // If the container size shrank during chart resize, let's assume - // scrollbar appeared. So we resize again with the scrollbar visible - - // effectively making chart smaller and the scrollbar hidden again. - // Because we are inside `throttled`, and currently `ticking`, scroll - // events are ignored during this whole 2 resize process. - // If we assumed wrong and something else happened, we are resizing - // twice in a frame (potential performance issue) - listener(createEvent('resize', chart)); - } - } - })); - - // The resizer needs to be attached to the node parent, so we first need to be - // sure that `node` is attached to the DOM before injecting the resizer element. - watchForRender(node, function() { - if (expando.resizer) { - var container = node.parentNode; - if (container && container !== resizer.parentNode) { - container.insertBefore(resizer, container.firstChild); - } - - // The container size might have changed, let's reset the resizer state. - resizer._reset(); - } - }); -} - -function removeResizeListener(node) { - var expando = node[EXPANDO_KEY] || {}; - var resizer = expando.resizer; - - delete expando.resizer; - unwatchForRender(node); - - if (resizer && resizer.parentNode) { - resizer.parentNode.removeChild(resizer); - } -} - -function injectCSS(platform, css) { - // https://stackoverflow.com/q/3922139 - var style = platform._style || document.createElement('style'); - if (!platform._style) { - platform._style = style; - css = '/* Chart.js */\n' + css; - style.setAttribute('type', 'text/css'); - document.getElementsByTagName('head')[0].appendChild(style); - } - - style.appendChild(document.createTextNode(css)); -} - -var platform_dom$2 = { - /** - * When `true`, prevents the automatic injection of the stylesheet required to - * correctly detect when the chart is added to the DOM and then resized. This - * switch has been added to allow external stylesheet (`dist/Chart(.min)?.js`) - * to be manually imported to make this library compatible with any CSP. - * See https://github.com/chartjs/Chart.js/issues/5208 - */ - disableCSSInjection: false, - - /** - * This property holds whether this platform is enabled for the current environment. - * Currently used by platform.js to select the proper implementation. - * @private - */ - _enabled: typeof window !== 'undefined' && typeof document !== 'undefined', - - /** - * @private - */ - _ensureLoaded: function() { - if (this._loaded) { - return; - } - - this._loaded = true; - - // https://github.com/chartjs/Chart.js/issues/5208 - if (!this.disableCSSInjection) { - injectCSS(this, stylesheet); - } - }, - - acquireContext: function(item, config) { - if (typeof item === 'string') { - item = document.getElementById(item); - } else if (item.length) { - // Support for array based queries (such as jQuery) - item = item[0]; - } - - if (item && item.canvas) { - // Support for any object associated to a canvas (including a context2d) - item = item.canvas; - } - - // To prevent canvas fingerprinting, some add-ons undefine the getContext - // method, for example: https://github.com/kkapsner/CanvasBlocker - // https://github.com/chartjs/Chart.js/issues/2807 - var context = item && item.getContext && item.getContext('2d'); - - // Load platform resources on first chart creation, to make possible to change - // platform options after importing the library (e.g. `disableCSSInjection`). - this._ensureLoaded(); - - // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is - // inside an iframe or when running in a protected environment. We could guess the - // types from their toString() value but let's keep things flexible and assume it's - // a sufficient condition if the item has a context2D which has item as `canvas`. - // https://github.com/chartjs/Chart.js/issues/3887 - // https://github.com/chartjs/Chart.js/issues/4102 - // https://github.com/chartjs/Chart.js/issues/4152 - if (context && context.canvas === item) { - initCanvas(item, config); - return context; - } - - return null; - }, - - releaseContext: function(context) { - var canvas = context.canvas; - if (!canvas[EXPANDO_KEY]) { - return; - } - - var initial = canvas[EXPANDO_KEY].initial; - ['height', 'width'].forEach(function(prop) { - var value = initial[prop]; - if (helpers$1.isNullOrUndef(value)) { - canvas.removeAttribute(prop); - } else { - canvas.setAttribute(prop, value); - } - }); - - helpers$1.each(initial.style || {}, function(value, key) { - canvas.style[key] = value; - }); - - // The canvas render size might have been changed (and thus the state stack discarded), - // we can't use save() and restore() to restore the initial state. So make sure that at - // least the canvas context is reset to the default state by setting the canvas width. - // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html - // eslint-disable-next-line no-self-assign - canvas.width = canvas.width; - - delete canvas[EXPANDO_KEY]; - }, - - addEventListener: function(chart, type, listener) { - var canvas = chart.canvas; - if (type === 'resize') { - // Note: the resize event is not supported on all browsers. - addResizeListener(canvas, listener, chart); - return; - } - - var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {}); - var proxies = expando.proxies || (expando.proxies = {}); - var proxy = proxies[chart.id + '_' + type] = function(event) { - listener(fromNativeEvent(event, chart)); - }; - - addListener(canvas, type, proxy); - }, - - removeEventListener: function(chart, type, listener) { - var canvas = chart.canvas; - if (type === 'resize') { - // Note: the resize event is not supported on all browsers. - removeResizeListener(canvas); - return; - } - - var expando = listener[EXPANDO_KEY] || {}; - var proxies = expando.proxies || {}; - var proxy = proxies[chart.id + '_' + type]; - if (!proxy) { - return; - } - - removeListener(canvas, type, proxy); - } -}; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use EventTarget.addEventListener instead. - * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ - * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener - * @function Chart.helpers.addEvent - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers$1.addEvent = addListener; - -/** - * Provided for backward compatibility, use EventTarget.removeEventListener instead. - * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ - * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener - * @function Chart.helpers.removeEvent - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers$1.removeEvent = removeListener; - -// @TODO Make possible to select another platform at build time. -var implementation = platform_dom$2._enabled ? platform_dom$2 : platform_basic; - -/** - * @namespace Chart.platform - * @see https://chartjs.gitbooks.io/proposals/content/Platform.html - * @since 2.4.0 - */ -var platform = helpers$1.extend({ - /** - * @since 2.7.0 - */ - initialize: function() {}, - - /** - * Called at chart construction time, returns a context2d instance implementing - * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}. - * @param {*} item - The native item from which to acquire context (platform specific) - * @param {object} options - The chart options - * @returns {CanvasRenderingContext2D} context2d instance - */ - acquireContext: function() {}, - - /** - * Called at chart destruction time, releases any resources associated to the context - * previously returned by the acquireContext() method. - * @param {CanvasRenderingContext2D} context - The context2d instance - * @returns {boolean} true if the method succeeded, else false - */ - releaseContext: function() {}, - - /** - * Registers the specified listener on the given chart. - * @param {Chart} chart - Chart from which to listen for event - * @param {string} type - The ({@link IEvent}) type to listen for - * @param {function} listener - Receives a notification (an object that implements - * the {@link IEvent} interface) when an event of the specified type occurs. - */ - addEventListener: function() {}, - - /** - * Removes the specified listener previously registered with addEventListener. - * @param {Chart} chart - Chart from which to remove the listener - * @param {string} type - The ({@link IEvent}) type to remove - * @param {function} listener - The listener function to remove from the event target. - */ - removeEventListener: function() {} - -}, implementation); - -core_defaults._set('global', { - plugins: {} -}); - -/** - * The plugin service singleton - * @namespace Chart.plugins - * @since 2.1.0 - */ -var core_plugins = { - /** - * Globally registered plugins. - * @private - */ - _plugins: [], - - /** - * This identifier is used to invalidate the descriptors cache attached to each chart - * when a global plugin is registered or unregistered. In this case, the cache ID is - * incremented and descriptors are regenerated during following API calls. - * @private - */ - _cacheId: 0, - - /** - * Registers the given plugin(s) if not already registered. - * @param {IPlugin[]|IPlugin} plugins plugin instance(s). - */ - register: function(plugins) { - var p = this._plugins; - ([]).concat(plugins).forEach(function(plugin) { - if (p.indexOf(plugin) === -1) { - p.push(plugin); - } - }); - - this._cacheId++; - }, - - /** - * Unregisters the given plugin(s) only if registered. - * @param {IPlugin[]|IPlugin} plugins plugin instance(s). - */ - unregister: function(plugins) { - var p = this._plugins; - ([]).concat(plugins).forEach(function(plugin) { - var idx = p.indexOf(plugin); - if (idx !== -1) { - p.splice(idx, 1); - } - }); - - this._cacheId++; - }, - - /** - * Remove all registered plugins. - * @since 2.1.5 - */ - clear: function() { - this._plugins = []; - this._cacheId++; - }, - - /** - * Returns the number of registered plugins? - * @returns {number} - * @since 2.1.5 - */ - count: function() { - return this._plugins.length; - }, - - /** - * Returns all registered plugin instances. - * @returns {IPlugin[]} array of plugin objects. - * @since 2.1.5 - */ - getAll: function() { - return this._plugins; - }, - - /** - * Calls enabled plugins for `chart` on the specified hook and with the given args. - * This method immediately returns as soon as a plugin explicitly returns false. The - * returned value can be used, for instance, to interrupt the current action. - * @param {Chart} chart - The chart instance for which plugins should be called. - * @param {string} hook - The name of the plugin method to call (e.g. 'beforeUpdate'). - * @param {Array} [args] - Extra arguments to apply to the hook call. - * @returns {boolean} false if any of the plugins return false, else returns true. - */ - notify: function(chart, hook, args) { - var descriptors = this.descriptors(chart); - var ilen = descriptors.length; - var i, descriptor, plugin, params, method; - - for (i = 0; i < ilen; ++i) { - descriptor = descriptors[i]; - plugin = descriptor.plugin; - method = plugin[hook]; - if (typeof method === 'function') { - params = [chart].concat(args || []); - params.push(descriptor.options); - if (method.apply(plugin, params) === false) { - return false; - } - } - } - - return true; - }, - - /** - * Returns descriptors of enabled plugins for the given chart. - * @returns {object[]} [{ plugin, options }] - * @private - */ - descriptors: function(chart) { - var cache = chart.$plugins || (chart.$plugins = {}); - if (cache.id === this._cacheId) { - return cache.descriptors; - } - - var plugins = []; - var descriptors = []; - var config = (chart && chart.config) || {}; - var options = (config.options && config.options.plugins) || {}; - - this._plugins.concat(config.plugins || []).forEach(function(plugin) { - var idx = plugins.indexOf(plugin); - if (idx !== -1) { - return; - } - - var id = plugin.id; - var opts = options[id]; - if (opts === false) { - return; - } - - if (opts === true) { - opts = helpers$1.clone(core_defaults.global.plugins[id]); - } - - plugins.push(plugin); - descriptors.push({ - plugin: plugin, - options: opts || {} - }); - }); - - cache.descriptors = descriptors; - cache.id = this._cacheId; - return descriptors; - }, - - /** - * Invalidates cache for the given chart: descriptors hold a reference on plugin option, - * but in some cases, this reference can be changed by the user when updating options. - * https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 - * @private - */ - _invalidate: function(chart) { - delete chart.$plugins; - } -}; - -var core_scaleService = { - // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then - // use the new chart options to grab the correct scale - constructors: {}, - // Use a registration function so that we can move to an ES6 map when we no longer need to support - // old browsers - - // Scale config defaults - defaults: {}, - registerScaleType: function(type, scaleConstructor, scaleDefaults) { - this.constructors[type] = scaleConstructor; - this.defaults[type] = helpers$1.clone(scaleDefaults); - }, - getScaleConstructor: function(type) { - return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined; - }, - getScaleDefaults: function(type) { - // Return the scale defaults merged with the global settings so that we always use the latest ones - return this.defaults.hasOwnProperty(type) ? helpers$1.merge({}, [core_defaults.scale, this.defaults[type]]) : {}; - }, - updateScaleDefaults: function(type, additions) { - var me = this; - if (me.defaults.hasOwnProperty(type)) { - me.defaults[type] = helpers$1.extend(me.defaults[type], additions); - } - }, - addScalesToLayout: function(chart) { - // Adds each scale to the chart.boxes array to be sized accordingly - helpers$1.each(chart.scales, function(scale) { - // Set ILayoutItem parameters for backwards compatibility - scale.fullWidth = scale.options.fullWidth; - scale.position = scale.options.position; - scale.weight = scale.options.weight; - core_layouts.addBox(chart, scale); - }); - } -}; - -var valueOrDefault$7 = helpers$1.valueOrDefault; - -core_defaults._set('global', { - tooltips: { - enabled: true, - custom: null, - mode: 'nearest', - position: 'average', - intersect: true, - backgroundColor: 'rgba(0,0,0,0.8)', - titleFontStyle: 'bold', - titleSpacing: 2, - titleMarginBottom: 6, - titleFontColor: '#fff', - titleAlign: 'left', - bodySpacing: 2, - bodyFontColor: '#fff', - bodyAlign: 'left', - footerFontStyle: 'bold', - footerSpacing: 2, - footerMarginTop: 6, - footerFontColor: '#fff', - footerAlign: 'left', - yPadding: 6, - xPadding: 6, - caretPadding: 2, - caretSize: 5, - cornerRadius: 6, - multiKeyBackground: '#fff', - displayColors: true, - borderColor: 'rgba(0,0,0,0)', - borderWidth: 0, - callbacks: { - // Args are: (tooltipItems, data) - beforeTitle: helpers$1.noop, - title: function(tooltipItems, data) { - var title = ''; - var labels = data.labels; - var labelCount = labels ? labels.length : 0; - - if (tooltipItems.length > 0) { - var item = tooltipItems[0]; - if (item.label) { - title = item.label; - } else if (item.xLabel) { - title = item.xLabel; - } else if (labelCount > 0 && item.index < labelCount) { - title = labels[item.index]; - } - } - - return title; - }, - afterTitle: helpers$1.noop, - - // Args are: (tooltipItems, data) - beforeBody: helpers$1.noop, - - // Args are: (tooltipItem, data) - beforeLabel: helpers$1.noop, - label: function(tooltipItem, data) { - var label = data.datasets[tooltipItem.datasetIndex].label || ''; - - if (label) { - label += ': '; - } - if (!helpers$1.isNullOrUndef(tooltipItem.value)) { - label += tooltipItem.value; - } else { - label += tooltipItem.yLabel; - } - return label; - }, - labelColor: function(tooltipItem, chart) { - var meta = chart.getDatasetMeta(tooltipItem.datasetIndex); - var activeElement = meta.data[tooltipItem.index]; - var view = activeElement._view; - return { - borderColor: view.borderColor, - backgroundColor: view.backgroundColor - }; - }, - labelTextColor: function() { - return this._options.bodyFontColor; - }, - afterLabel: helpers$1.noop, - - // Args are: (tooltipItems, data) - afterBody: helpers$1.noop, - - // Args are: (tooltipItems, data) - beforeFooter: helpers$1.noop, - footer: helpers$1.noop, - afterFooter: helpers$1.noop - } - } -}); - -var positioners = { - /** - * Average mode places the tooltip at the average position of the elements shown - * @function Chart.Tooltip.positioners.average - * @param elements {ChartElement[]} the elements being displayed in the tooltip - * @returns {object} tooltip position - */ - average: function(elements) { - if (!elements.length) { - return false; - } - - var i, len; - var x = 0; - var y = 0; - var count = 0; - - for (i = 0, len = elements.length; i < len; ++i) { - var el = elements[i]; - if (el && el.hasValue()) { - var pos = el.tooltipPosition(); - x += pos.x; - y += pos.y; - ++count; - } - } - - return { - x: x / count, - y: y / count - }; - }, - - /** - * Gets the tooltip position nearest of the item nearest to the event position - * @function Chart.Tooltip.positioners.nearest - * @param elements {Chart.Element[]} the tooltip elements - * @param eventPosition {object} the position of the event in canvas coordinates - * @returns {object} the tooltip position - */ - nearest: function(elements, eventPosition) { - var x = eventPosition.x; - var y = eventPosition.y; - var minDistance = Number.POSITIVE_INFINITY; - var i, len, nearestElement; - - for (i = 0, len = elements.length; i < len; ++i) { - var el = elements[i]; - if (el && el.hasValue()) { - var center = el.getCenterPoint(); - var d = helpers$1.distanceBetweenPoints(eventPosition, center); - - if (d < minDistance) { - minDistance = d; - nearestElement = el; - } - } - } - - if (nearestElement) { - var tp = nearestElement.tooltipPosition(); - x = tp.x; - y = tp.y; - } - - return { - x: x, - y: y - }; - } -}; - -// Helper to push or concat based on if the 2nd parameter is an array or not -function pushOrConcat(base, toPush) { - if (toPush) { - if (helpers$1.isArray(toPush)) { - // base = base.concat(toPush); - Array.prototype.push.apply(base, toPush); - } else { - base.push(toPush); - } - } - - return base; -} - -/** - * Returns array of strings split by newline - * @param {string} value - The value to split by newline. - * @returns {string[]} value if newline present - Returned from String split() method - * @function - */ -function splitNewlines(str) { - if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { - return str.split('\n'); - } - return str; -} - - -/** - * Private helper to create a tooltip item model - * @param element - the chart element (point, arc, bar) to create the tooltip item for - * @return new tooltip item - */ -function createTooltipItem(element) { - var xScale = element._xScale; - var yScale = element._yScale || element._scale; // handle radar || polarArea charts - var index = element._index; - var datasetIndex = element._datasetIndex; - var controller = element._chart.getDatasetMeta(datasetIndex).controller; - var indexScale = controller._getIndexScale(); - var valueScale = controller._getValueScale(); - - return { - xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '', - yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '', - label: indexScale ? '' + indexScale.getLabelForIndex(index, datasetIndex) : '', - value: valueScale ? '' + valueScale.getLabelForIndex(index, datasetIndex) : '', - index: index, - datasetIndex: datasetIndex, - x: element._model.x, - y: element._model.y - }; -} - -/** - * Helper to get the reset model for the tooltip - * @param tooltipOpts {object} the tooltip options - */ -function getBaseModel(tooltipOpts) { - var globalDefaults = core_defaults.global; - - return { - // Positioning - xPadding: tooltipOpts.xPadding, - yPadding: tooltipOpts.yPadding, - xAlign: tooltipOpts.xAlign, - yAlign: tooltipOpts.yAlign, - - // Body - bodyFontColor: tooltipOpts.bodyFontColor, - _bodyFontFamily: valueOrDefault$7(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily), - _bodyFontStyle: valueOrDefault$7(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle), - _bodyAlign: tooltipOpts.bodyAlign, - bodyFontSize: valueOrDefault$7(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize), - bodySpacing: tooltipOpts.bodySpacing, - - // Title - titleFontColor: tooltipOpts.titleFontColor, - _titleFontFamily: valueOrDefault$7(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily), - _titleFontStyle: valueOrDefault$7(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle), - titleFontSize: valueOrDefault$7(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize), - _titleAlign: tooltipOpts.titleAlign, - titleSpacing: tooltipOpts.titleSpacing, - titleMarginBottom: tooltipOpts.titleMarginBottom, - - // Footer - footerFontColor: tooltipOpts.footerFontColor, - _footerFontFamily: valueOrDefault$7(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily), - _footerFontStyle: valueOrDefault$7(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle), - footerFontSize: valueOrDefault$7(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize), - _footerAlign: tooltipOpts.footerAlign, - footerSpacing: tooltipOpts.footerSpacing, - footerMarginTop: tooltipOpts.footerMarginTop, - - // Appearance - caretSize: tooltipOpts.caretSize, - cornerRadius: tooltipOpts.cornerRadius, - backgroundColor: tooltipOpts.backgroundColor, - opacity: 0, - legendColorBackground: tooltipOpts.multiKeyBackground, - displayColors: tooltipOpts.displayColors, - borderColor: tooltipOpts.borderColor, - borderWidth: tooltipOpts.borderWidth - }; -} - -/** - * Get the size of the tooltip - */ -function getTooltipSize(tooltip, model) { - var ctx = tooltip._chart.ctx; - - var height = model.yPadding * 2; // Tooltip Padding - var width = 0; - - // Count of all lines in the body - var body = model.body; - var combinedBodyLength = body.reduce(function(count, bodyItem) { - return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length; - }, 0); - combinedBodyLength += model.beforeBody.length + model.afterBody.length; - - var titleLineCount = model.title.length; - var footerLineCount = model.footer.length; - var titleFontSize = model.titleFontSize; - var bodyFontSize = model.bodyFontSize; - var footerFontSize = model.footerFontSize; - - height += titleLineCount * titleFontSize; // Title Lines - height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing - height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin - height += combinedBodyLength * bodyFontSize; // Body Lines - height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing - height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin - height += footerLineCount * (footerFontSize); // Footer Lines - height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing - - // Title width - var widthPadding = 0; - var maxLineWidth = function(line) { - width = Math.max(width, ctx.measureText(line).width + widthPadding); - }; - - ctx.font = helpers$1.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily); - helpers$1.each(model.title, maxLineWidth); - - // Body width - ctx.font = helpers$1.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily); - helpers$1.each(model.beforeBody.concat(model.afterBody), maxLineWidth); - - // Body lines may include some extra width due to the color box - widthPadding = model.displayColors ? (bodyFontSize + 2) : 0; - helpers$1.each(body, function(bodyItem) { - helpers$1.each(bodyItem.before, maxLineWidth); - helpers$1.each(bodyItem.lines, maxLineWidth); - helpers$1.each(bodyItem.after, maxLineWidth); - }); - - // Reset back to 0 - widthPadding = 0; - - // Footer width - ctx.font = helpers$1.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily); - helpers$1.each(model.footer, maxLineWidth); - - // Add padding - width += 2 * model.xPadding; - - return { - width: width, - height: height - }; -} - -/** - * Helper to get the alignment of a tooltip given the size - */ -function determineAlignment(tooltip, size) { - var model = tooltip._model; - var chart = tooltip._chart; - var chartArea = tooltip._chart.chartArea; - var xAlign = 'center'; - var yAlign = 'center'; - - if (model.y < size.height) { - yAlign = 'top'; - } else if (model.y > (chart.height - size.height)) { - yAlign = 'bottom'; - } - - var lf, rf; // functions to determine left, right alignment - var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart - var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges - var midX = (chartArea.left + chartArea.right) / 2; - var midY = (chartArea.top + chartArea.bottom) / 2; - - if (yAlign === 'center') { - lf = function(x) { - return x <= midX; - }; - rf = function(x) { - return x > midX; - }; - } else { - lf = function(x) { - return x <= (size.width / 2); - }; - rf = function(x) { - return x >= (chart.width - (size.width / 2)); - }; - } - - olf = function(x) { - return x + size.width + model.caretSize + model.caretPadding > chart.width; - }; - orf = function(x) { - return x - size.width - model.caretSize - model.caretPadding < 0; - }; - yf = function(y) { - return y <= midY ? 'top' : 'bottom'; - }; - - if (lf(model.x)) { - xAlign = 'left'; - - // Is tooltip too wide and goes over the right side of the chart.? - if (olf(model.x)) { - xAlign = 'center'; - yAlign = yf(model.y); - } - } else if (rf(model.x)) { - xAlign = 'right'; - - // Is tooltip too wide and goes outside left edge of canvas? - if (orf(model.x)) { - xAlign = 'center'; - yAlign = yf(model.y); - } - } - - var opts = tooltip._options; - return { - xAlign: opts.xAlign ? opts.xAlign : xAlign, - yAlign: opts.yAlign ? opts.yAlign : yAlign - }; -} - -/** - * Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment - */ -function getBackgroundPoint(vm, size, alignment, chart) { - // Background Position - var x = vm.x; - var y = vm.y; - - var caretSize = vm.caretSize; - var caretPadding = vm.caretPadding; - var cornerRadius = vm.cornerRadius; - var xAlign = alignment.xAlign; - var yAlign = alignment.yAlign; - var paddingAndSize = caretSize + caretPadding; - var radiusAndPadding = cornerRadius + caretPadding; - - if (xAlign === 'right') { - x -= size.width; - } else if (xAlign === 'center') { - x -= (size.width / 2); - if (x + size.width > chart.width) { - x = chart.width - size.width; - } - if (x < 0) { - x = 0; - } - } - - if (yAlign === 'top') { - y += paddingAndSize; - } else if (yAlign === 'bottom') { - y -= size.height + paddingAndSize; - } else { - y -= (size.height / 2); - } - - if (yAlign === 'center') { - if (xAlign === 'left') { - x += paddingAndSize; - } else if (xAlign === 'right') { - x -= paddingAndSize; - } - } else if (xAlign === 'left') { - x -= radiusAndPadding; - } else if (xAlign === 'right') { - x += radiusAndPadding; - } - - return { - x: x, - y: y - }; -} - -function getAlignedX(vm, align) { - return align === 'center' - ? vm.x + vm.width / 2 - : align === 'right' - ? vm.x + vm.width - vm.xPadding - : vm.x + vm.xPadding; -} - -/** - * Helper to build before and after body lines - */ -function getBeforeAfterBodyLines(callback) { - return pushOrConcat([], splitNewlines(callback)); -} - -var exports$3 = core_element.extend({ - initialize: function() { - this._model = getBaseModel(this._options); - this._lastActive = []; - }, - - // Get the title - // Args are: (tooltipItem, data) - getTitle: function() { - var me = this; - var opts = me._options; - var callbacks = opts.callbacks; - - var beforeTitle = callbacks.beforeTitle.apply(me, arguments); - var title = callbacks.title.apply(me, arguments); - var afterTitle = callbacks.afterTitle.apply(me, arguments); - - var lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeTitle)); - lines = pushOrConcat(lines, splitNewlines(title)); - lines = pushOrConcat(lines, splitNewlines(afterTitle)); - - return lines; - }, - - // Args are: (tooltipItem, data) - getBeforeBody: function() { - return getBeforeAfterBodyLines(this._options.callbacks.beforeBody.apply(this, arguments)); - }, - - // Args are: (tooltipItem, data) - getBody: function(tooltipItems, data) { - var me = this; - var callbacks = me._options.callbacks; - var bodyItems = []; - - helpers$1.each(tooltipItems, function(tooltipItem) { - var bodyItem = { - before: [], - lines: [], - after: [] - }; - pushOrConcat(bodyItem.before, splitNewlines(callbacks.beforeLabel.call(me, tooltipItem, data))); - pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data)); - pushOrConcat(bodyItem.after, splitNewlines(callbacks.afterLabel.call(me, tooltipItem, data))); - - bodyItems.push(bodyItem); - }); - - return bodyItems; - }, - - // Args are: (tooltipItem, data) - getAfterBody: function() { - return getBeforeAfterBodyLines(this._options.callbacks.afterBody.apply(this, arguments)); - }, - - // Get the footer and beforeFooter and afterFooter lines - // Args are: (tooltipItem, data) - getFooter: function() { - var me = this; - var callbacks = me._options.callbacks; - - var beforeFooter = callbacks.beforeFooter.apply(me, arguments); - var footer = callbacks.footer.apply(me, arguments); - var afterFooter = callbacks.afterFooter.apply(me, arguments); - - var lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeFooter)); - lines = pushOrConcat(lines, splitNewlines(footer)); - lines = pushOrConcat(lines, splitNewlines(afterFooter)); - - return lines; - }, - - update: function(changed) { - var me = this; - var opts = me._options; - - // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition - // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time - // which breaks any animations. - var existingModel = me._model; - var model = me._model = getBaseModel(opts); - var active = me._active; - - var data = me._data; - - // In the case where active.length === 0 we need to keep these at existing values for good animations - var alignment = { - xAlign: existingModel.xAlign, - yAlign: existingModel.yAlign - }; - var backgroundPoint = { - x: existingModel.x, - y: existingModel.y - }; - var tooltipSize = { - width: existingModel.width, - height: existingModel.height - }; - var tooltipPosition = { - x: existingModel.caretX, - y: existingModel.caretY - }; - - var i, len; - - if (active.length) { - model.opacity = 1; - - var labelColors = []; - var labelTextColors = []; - tooltipPosition = positioners[opts.position].call(me, active, me._eventPosition); - - var tooltipItems = []; - for (i = 0, len = active.length; i < len; ++i) { - tooltipItems.push(createTooltipItem(active[i])); - } - - // If the user provided a filter function, use it to modify the tooltip items - if (opts.filter) { - tooltipItems = tooltipItems.filter(function(a) { - return opts.filter(a, data); - }); - } - - // If the user provided a sorting function, use it to modify the tooltip items - if (opts.itemSort) { - tooltipItems = tooltipItems.sort(function(a, b) { - return opts.itemSort(a, b, data); - }); - } - - // Determine colors for boxes - helpers$1.each(tooltipItems, function(tooltipItem) { - labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart)); - labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart)); - }); - - - // Build the Text Lines - model.title = me.getTitle(tooltipItems, data); - model.beforeBody = me.getBeforeBody(tooltipItems, data); - model.body = me.getBody(tooltipItems, data); - model.afterBody = me.getAfterBody(tooltipItems, data); - model.footer = me.getFooter(tooltipItems, data); - - // Initial positioning and colors - model.x = tooltipPosition.x; - model.y = tooltipPosition.y; - model.caretPadding = opts.caretPadding; - model.labelColors = labelColors; - model.labelTextColors = labelTextColors; - - // data points - model.dataPoints = tooltipItems; - - // We need to determine alignment of the tooltip - tooltipSize = getTooltipSize(this, model); - alignment = determineAlignment(this, tooltipSize); - // Final Size and Position - backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment, me._chart); - } else { - model.opacity = 0; - } - - model.xAlign = alignment.xAlign; - model.yAlign = alignment.yAlign; - model.x = backgroundPoint.x; - model.y = backgroundPoint.y; - model.width = tooltipSize.width; - model.height = tooltipSize.height; - - // Point where the caret on the tooltip points to - model.caretX = tooltipPosition.x; - model.caretY = tooltipPosition.y; - - me._model = model; - - if (changed && opts.custom) { - opts.custom.call(me, model); - } - - return me; - }, - - drawCaret: function(tooltipPoint, size) { - var ctx = this._chart.ctx; - var vm = this._view; - var caretPosition = this.getCaretPosition(tooltipPoint, size, vm); - - ctx.lineTo(caretPosition.x1, caretPosition.y1); - ctx.lineTo(caretPosition.x2, caretPosition.y2); - ctx.lineTo(caretPosition.x3, caretPosition.y3); - }, - getCaretPosition: function(tooltipPoint, size, vm) { - var x1, x2, x3, y1, y2, y3; - var caretSize = vm.caretSize; - var cornerRadius = vm.cornerRadius; - var xAlign = vm.xAlign; - var yAlign = vm.yAlign; - var ptX = tooltipPoint.x; - var ptY = tooltipPoint.y; - var width = size.width; - var height = size.height; - - if (yAlign === 'center') { - y2 = ptY + (height / 2); - - if (xAlign === 'left') { - x1 = ptX; - x2 = x1 - caretSize; - x3 = x1; - - y1 = y2 + caretSize; - y3 = y2 - caretSize; - } else { - x1 = ptX + width; - x2 = x1 + caretSize; - x3 = x1; - - y1 = y2 - caretSize; - y3 = y2 + caretSize; - } - } else { - if (xAlign === 'left') { - x2 = ptX + cornerRadius + (caretSize); - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else if (xAlign === 'right') { - x2 = ptX + width - cornerRadius - caretSize; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else { - x2 = vm.caretX; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } - if (yAlign === 'top') { - y1 = ptY; - y2 = y1 - caretSize; - y3 = y1; - } else { - y1 = ptY + height; - y2 = y1 + caretSize; - y3 = y1; - // invert drawing order - var tmp = x3; - x3 = x1; - x1 = tmp; - } - } - return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3}; - }, - - drawTitle: function(pt, vm, ctx) { - var title = vm.title; - - if (title.length) { - pt.x = getAlignedX(vm, vm._titleAlign); - - ctx.textAlign = vm._titleAlign; - ctx.textBaseline = 'top'; - - var titleFontSize = vm.titleFontSize; - var titleSpacing = vm.titleSpacing; - - ctx.fillStyle = vm.titleFontColor; - ctx.font = helpers$1.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily); - - var i, len; - for (i = 0, len = title.length; i < len; ++i) { - ctx.fillText(title[i], pt.x, pt.y); - pt.y += titleFontSize + titleSpacing; // Line Height and spacing - - if (i + 1 === title.length) { - pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing - } - } - } - }, - - drawBody: function(pt, vm, ctx) { - var bodyFontSize = vm.bodyFontSize; - var bodySpacing = vm.bodySpacing; - var bodyAlign = vm._bodyAlign; - var body = vm.body; - var drawColorBoxes = vm.displayColors; - var labelColors = vm.labelColors; - var xLinePadding = 0; - var colorX = drawColorBoxes ? getAlignedX(vm, 'left') : 0; - var textColor; - - ctx.textAlign = bodyAlign; - ctx.textBaseline = 'top'; - ctx.font = helpers$1.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); - - pt.x = getAlignedX(vm, bodyAlign); - - // Before Body - var fillLineOfText = function(line) { - ctx.fillText(line, pt.x + xLinePadding, pt.y); - pt.y += bodyFontSize + bodySpacing; - }; - - // Before body lines - ctx.fillStyle = vm.bodyFontColor; - helpers$1.each(vm.beforeBody, fillLineOfText); - - xLinePadding = drawColorBoxes && bodyAlign !== 'right' - ? bodyAlign === 'center' ? (bodyFontSize / 2 + 1) : (bodyFontSize + 2) - : 0; - - // Draw body lines now - helpers$1.each(body, function(bodyItem, i) { - textColor = vm.labelTextColors[i]; - ctx.fillStyle = textColor; - helpers$1.each(bodyItem.before, fillLineOfText); - - helpers$1.each(bodyItem.lines, function(line) { - // Draw Legend-like boxes if needed - if (drawColorBoxes) { - // Fill a white rect so that colours merge nicely if the opacity is < 1 - ctx.fillStyle = vm.legendColorBackground; - ctx.fillRect(colorX, pt.y, bodyFontSize, bodyFontSize); - - // Border - ctx.lineWidth = 1; - ctx.strokeStyle = labelColors[i].borderColor; - ctx.strokeRect(colorX, pt.y, bodyFontSize, bodyFontSize); - - // Inner square - ctx.fillStyle = labelColors[i].backgroundColor; - ctx.fillRect(colorX + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2); - ctx.fillStyle = textColor; - } - - fillLineOfText(line); - }); - - helpers$1.each(bodyItem.after, fillLineOfText); - }); - - // Reset back to 0 for after body - xLinePadding = 0; - - // After body lines - helpers$1.each(vm.afterBody, fillLineOfText); - pt.y -= bodySpacing; // Remove last body spacing - }, - - drawFooter: function(pt, vm, ctx) { - var footer = vm.footer; - - if (footer.length) { - pt.x = getAlignedX(vm, vm._footerAlign); - pt.y += vm.footerMarginTop; - - ctx.textAlign = vm._footerAlign; - ctx.textBaseline = 'top'; - - ctx.fillStyle = vm.footerFontColor; - ctx.font = helpers$1.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily); - - helpers$1.each(footer, function(line) { - ctx.fillText(line, pt.x, pt.y); - pt.y += vm.footerFontSize + vm.footerSpacing; - }); - } - }, - - drawBackground: function(pt, vm, ctx, tooltipSize) { - ctx.fillStyle = vm.backgroundColor; - ctx.strokeStyle = vm.borderColor; - ctx.lineWidth = vm.borderWidth; - var xAlign = vm.xAlign; - var yAlign = vm.yAlign; - var x = pt.x; - var y = pt.y; - var width = tooltipSize.width; - var height = tooltipSize.height; - var radius = vm.cornerRadius; - - ctx.beginPath(); - ctx.moveTo(x + radius, y); - if (yAlign === 'top') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + width - radius, y); - ctx.quadraticCurveTo(x + width, y, x + width, y + radius); - if (yAlign === 'center' && xAlign === 'right') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + width, y + height - radius); - ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); - if (yAlign === 'bottom') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + radius, y + height); - ctx.quadraticCurveTo(x, y + height, x, y + height - radius); - if (yAlign === 'center' && xAlign === 'left') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x, y + radius); - ctx.quadraticCurveTo(x, y, x + radius, y); - ctx.closePath(); - - ctx.fill(); - - if (vm.borderWidth > 0) { - ctx.stroke(); - } - }, - - draw: function() { - var ctx = this._chart.ctx; - var vm = this._view; - - if (vm.opacity === 0) { - return; - } - - var tooltipSize = { - width: vm.width, - height: vm.height - }; - var pt = { - x: vm.x, - y: vm.y - }; - - // IE11/Edge does not like very small opacities, so snap to 0 - var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity; - - // Truthy/falsey value for empty tooltip - var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length; - - if (this._options.enabled && hasTooltipContent) { - ctx.save(); - ctx.globalAlpha = opacity; - - // Draw Background - this.drawBackground(pt, vm, ctx, tooltipSize); - - // Draw Title, Body, and Footer - pt.y += vm.yPadding; - - // Titles - this.drawTitle(pt, vm, ctx); - - // Body - this.drawBody(pt, vm, ctx); - - // Footer - this.drawFooter(pt, vm, ctx); - - ctx.restore(); - } - }, - - /** - * Handle an event - * @private - * @param {IEvent} event - The event to handle - * @returns {boolean} true if the tooltip changed - */ - handleEvent: function(e) { - var me = this; - var options = me._options; - var changed = false; - - me._lastActive = me._lastActive || []; - - // Find Active Elements for tooltips - if (e.type === 'mouseout') { - me._active = []; - } else { - me._active = me._chart.getElementsAtEventForMode(e, options.mode, options); - } - - // Remember Last Actives - changed = !helpers$1.arrayEquals(me._active, me._lastActive); - - // Only handle target event on tooltip change - if (changed) { - me._lastActive = me._active; - - if (options.enabled || options.custom) { - me._eventPosition = { - x: e.x, - y: e.y - }; - - me.update(true); - me.pivot(); - } - } - - return changed; - } -}); - -/** - * @namespace Chart.Tooltip.positioners - */ -var positioners_1 = positioners; - -var core_tooltip = exports$3; -core_tooltip.positioners = positioners_1; - -var valueOrDefault$8 = helpers$1.valueOrDefault; - -core_defaults._set('global', { - elements: {}, - events: [ - 'mousemove', - 'mouseout', - 'click', - 'touchstart', - 'touchmove' - ], - hover: { - onHover: null, - mode: 'nearest', - intersect: true, - animationDuration: 400 - }, - onClick: null, - maintainAspectRatio: true, - responsive: true, - responsiveAnimationDuration: 0 -}); - -/** - * Recursively merge the given config objects representing the `scales` option - * by incorporating scale defaults in `xAxes` and `yAxes` array items, then - * returns a deep copy of the result, thus doesn't alter inputs. - */ -function mergeScaleConfig(/* config objects ... */) { - return helpers$1.merge({}, [].slice.call(arguments), { - merger: function(key, target, source, options) { - if (key === 'xAxes' || key === 'yAxes') { - var slen = source[key].length; - var i, type, scale; - - if (!target[key]) { - target[key] = []; - } - - for (i = 0; i < slen; ++i) { - scale = source[key][i]; - type = valueOrDefault$8(scale.type, key === 'xAxes' ? 'category' : 'linear'); - - if (i >= target[key].length) { - target[key].push({}); - } - - if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) { - // new/untyped scale or type changed: let's apply the new defaults - // then merge source scale to correctly overwrite the defaults. - helpers$1.merge(target[key][i], [core_scaleService.getScaleDefaults(type), scale]); - } else { - // scales type are the same - helpers$1.merge(target[key][i], scale); - } - } - } else { - helpers$1._merger(key, target, source, options); - } - } - }); -} - -/** - * Recursively merge the given config objects as the root options by handling - * default scale options for the `scales` and `scale` properties, then returns - * a deep copy of the result, thus doesn't alter inputs. - */ -function mergeConfig(/* config objects ... */) { - return helpers$1.merge({}, [].slice.call(arguments), { - merger: function(key, target, source, options) { - var tval = target[key] || {}; - var sval = source[key]; - - if (key === 'scales') { - // scale config merging is complex. Add our own function here for that - target[key] = mergeScaleConfig(tval, sval); - } else if (key === 'scale') { - // used in polar area & radar charts since there is only one scale - target[key] = helpers$1.merge(tval, [core_scaleService.getScaleDefaults(sval.type), sval]); - } else { - helpers$1._merger(key, target, source, options); - } - } - }); -} - -function initConfig(config) { - config = config || {}; - - // Do NOT use mergeConfig for the data object because this method merges arrays - // and so would change references to labels and datasets, preventing data updates. - var data = config.data = config.data || {}; - data.datasets = data.datasets || []; - data.labels = data.labels || []; - - config.options = mergeConfig( - core_defaults.global, - core_defaults[config.type], - config.options || {}); - - return config; -} - -function updateConfig(chart) { - var newOptions = chart.options; - - helpers$1.each(chart.scales, function(scale) { - core_layouts.removeBox(chart, scale); - }); - - newOptions = mergeConfig( - core_defaults.global, - core_defaults[chart.config.type], - newOptions); - - chart.options = chart.config.options = newOptions; - chart.ensureScalesHaveIDs(); - chart.buildOrUpdateScales(); - - // Tooltip - chart.tooltip._options = newOptions.tooltips; - chart.tooltip.initialize(); -} - -function positionIsHorizontal(position) { - return position === 'top' || position === 'bottom'; -} - -var Chart = function(item, config) { - this.construct(item, config); - return this; -}; - -helpers$1.extend(Chart.prototype, /** @lends Chart */ { - /** - * @private - */ - construct: function(item, config) { - var me = this; - - config = initConfig(config); - - var context = platform.acquireContext(item, config); - var canvas = context && context.canvas; - var height = canvas && canvas.height; - var width = canvas && canvas.width; - - me.id = helpers$1.uid(); - me.ctx = context; - me.canvas = canvas; - me.config = config; - me.width = width; - me.height = height; - me.aspectRatio = height ? width / height : null; - me.options = config.options; - me._bufferedRender = false; - - /** - * Provided for backward compatibility, Chart and Chart.Controller have been merged, - * the "instance" still need to be defined since it might be called from plugins. - * @prop Chart#chart - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ - me.chart = me; - me.controller = me; // chart.chart.controller #inception - - // Add the chart instance to the global namespace - Chart.instances[me.id] = me; - - // Define alias to the config data: `chart.data === chart.config.data` - Object.defineProperty(me, 'data', { - get: function() { - return me.config.data; - }, - set: function(value) { - me.config.data = value; - } - }); - - if (!context || !canvas) { - // The given item is not a compatible context2d element, let's return before finalizing - // the chart initialization but after setting basic chart / controller properties that - // can help to figure out that the chart is not valid (e.g chart.canvas !== null); - // https://github.com/chartjs/Chart.js/issues/2807 - console.error("Failed to create chart: can't acquire context from the given item"); - return; - } - - me.initialize(); - me.update(); - }, - - /** - * @private - */ - initialize: function() { - var me = this; - - // Before init plugin notification - core_plugins.notify(me, 'beforeInit'); - - helpers$1.retinaScale(me, me.options.devicePixelRatio); - - me.bindEvents(); - - if (me.options.responsive) { - // Initial resize before chart draws (must be silent to preserve initial animations). - me.resize(true); - } - - // Make sure scales have IDs and are built before we build any controllers. - me.ensureScalesHaveIDs(); - me.buildOrUpdateScales(); - me.initToolTip(); - - // After init plugin notification - core_plugins.notify(me, 'afterInit'); - - return me; - }, - - clear: function() { - helpers$1.canvas.clear(this); - return this; - }, - - stop: function() { - // Stops any current animation loop occurring - core_animations.cancelAnimation(this); - return this; - }, - - resize: function(silent) { - var me = this; - var options = me.options; - var canvas = me.canvas; - var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null; - - // the canvas render width and height will be casted to integers so make sure that - // the canvas display style uses the same integer values to avoid blurring effect. - - // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collapsed - var newWidth = Math.max(0, Math.floor(helpers$1.getMaximumWidth(canvas))); - var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers$1.getMaximumHeight(canvas))); - - if (me.width === newWidth && me.height === newHeight) { - return; - } - - canvas.width = me.width = newWidth; - canvas.height = me.height = newHeight; - canvas.style.width = newWidth + 'px'; - canvas.style.height = newHeight + 'px'; - - helpers$1.retinaScale(me, options.devicePixelRatio); - - if (!silent) { - // Notify any plugins about the resize - var newSize = {width: newWidth, height: newHeight}; - core_plugins.notify(me, 'resize', [newSize]); - - // Notify of resize - if (options.onResize) { - options.onResize(me, newSize); - } - - me.stop(); - me.update({ - duration: options.responsiveAnimationDuration - }); - } - }, - - ensureScalesHaveIDs: function() { - var options = this.options; - var scalesOptions = options.scales || {}; - var scaleOptions = options.scale; - - helpers$1.each(scalesOptions.xAxes, function(xAxisOptions, index) { - xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index); - }); - - helpers$1.each(scalesOptions.yAxes, function(yAxisOptions, index) { - yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index); - }); - - if (scaleOptions) { - scaleOptions.id = scaleOptions.id || 'scale'; - } - }, - - /** - * Builds a map of scale ID to scale object for future lookup. - */ - buildOrUpdateScales: function() { - var me = this; - var options = me.options; - var scales = me.scales || {}; - var items = []; - var updated = Object.keys(scales).reduce(function(obj, id) { - obj[id] = false; - return obj; - }, {}); - - if (options.scales) { - items = items.concat( - (options.scales.xAxes || []).map(function(xAxisOptions) { - return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'}; - }), - (options.scales.yAxes || []).map(function(yAxisOptions) { - return {options: yAxisOptions, dtype: 'linear', dposition: 'left'}; - }) - ); - } - - if (options.scale) { - items.push({ - options: options.scale, - dtype: 'radialLinear', - isDefault: true, - dposition: 'chartArea' - }); - } - - helpers$1.each(items, function(item) { - var scaleOptions = item.options; - var id = scaleOptions.id; - var scaleType = valueOrDefault$8(scaleOptions.type, item.dtype); - - if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) { - scaleOptions.position = item.dposition; - } - - updated[id] = true; - var scale = null; - if (id in scales && scales[id].type === scaleType) { - scale = scales[id]; - scale.options = scaleOptions; - scale.ctx = me.ctx; - scale.chart = me; - } else { - var scaleClass = core_scaleService.getScaleConstructor(scaleType); - if (!scaleClass) { - return; - } - scale = new scaleClass({ - id: id, - type: scaleType, - options: scaleOptions, - ctx: me.ctx, - chart: me - }); - scales[scale.id] = scale; - } - - scale.mergeTicksOptions(); - - // TODO(SB): I think we should be able to remove this custom case (options.scale) - // and consider it as a regular scale part of the "scales"" map only! This would - // make the logic easier and remove some useless? custom code. - if (item.isDefault) { - me.scale = scale; - } - }); - // clear up discarded scales - helpers$1.each(updated, function(hasUpdated, id) { - if (!hasUpdated) { - delete scales[id]; - } - }); - - me.scales = scales; - - core_scaleService.addScalesToLayout(this); - }, - - buildOrUpdateControllers: function() { - var me = this; - var newControllers = []; - - helpers$1.each(me.data.datasets, function(dataset, datasetIndex) { - var meta = me.getDatasetMeta(datasetIndex); - var type = dataset.type || me.config.type; - - if (meta.type && meta.type !== type) { - me.destroyDatasetMeta(datasetIndex); - meta = me.getDatasetMeta(datasetIndex); - } - meta.type = type; - - if (meta.controller) { - meta.controller.updateIndex(datasetIndex); - meta.controller.linkScales(); - } else { - var ControllerClass = controllers[meta.type]; - if (ControllerClass === undefined) { - throw new Error('"' + meta.type + '" is not a chart type.'); - } - - meta.controller = new ControllerClass(me, datasetIndex); - newControllers.push(meta.controller); - } - }, me); - - return newControllers; - }, - - /** - * Reset the elements of all datasets - * @private - */ - resetElements: function() { - var me = this; - helpers$1.each(me.data.datasets, function(dataset, datasetIndex) { - me.getDatasetMeta(datasetIndex).controller.reset(); - }, me); - }, - - /** - * Resets the chart back to it's state before the initial animation - */ - reset: function() { - this.resetElements(); - this.tooltip.initialize(); - }, - - update: function(config) { - var me = this; - - if (!config || typeof config !== 'object') { - // backwards compatibility - config = { - duration: config, - lazy: arguments[1] - }; - } - - updateConfig(me); - - // plugins options references might have change, let's invalidate the cache - // https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 - core_plugins._invalidate(me); - - if (core_plugins.notify(me, 'beforeUpdate') === false) { - return; - } - - // In case the entire data object changed - me.tooltip._data = me.data; - - // Make sure dataset controllers are updated and new controllers are reset - var newControllers = me.buildOrUpdateControllers(); - - // Make sure all dataset controllers have correct meta data counts - helpers$1.each(me.data.datasets, function(dataset, datasetIndex) { - me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements(); - }, me); - - me.updateLayout(); - - // Can only reset the new controllers after the scales have been updated - if (me.options.animation && me.options.animation.duration) { - helpers$1.each(newControllers, function(controller) { - controller.reset(); - }); - } - - me.updateDatasets(); - - // Need to reset tooltip in case it is displayed with elements that are removed - // after update. - me.tooltip.initialize(); - - // Last active contains items that were previously in the tooltip. - // When we reset the tooltip, we need to clear it - me.lastActive = []; - - // Do this before render so that any plugins that need final scale updates can use it - core_plugins.notify(me, 'afterUpdate'); - - if (me._bufferedRender) { - me._bufferedRequest = { - duration: config.duration, - easing: config.easing, - lazy: config.lazy - }; - } else { - me.render(config); - } - }, - - /** - * Updates the chart layout unless a plugin returns `false` to the `beforeLayout` - * hook, in which case, plugins will not be called on `afterLayout`. - * @private - */ - updateLayout: function() { - var me = this; - - if (core_plugins.notify(me, 'beforeLayout') === false) { - return; - } - - core_layouts.update(this, this.width, this.height); - - /** - * Provided for backward compatibility, use `afterLayout` instead. - * @method IPlugin#afterScaleUpdate - * @deprecated since version 2.5.0 - * @todo remove at version 3 - * @private - */ - core_plugins.notify(me, 'afterScaleUpdate'); - core_plugins.notify(me, 'afterLayout'); - }, - - /** - * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate` - * hook, in which case, plugins will not be called on `afterDatasetsUpdate`. - * @private - */ - updateDatasets: function() { - var me = this; - - if (core_plugins.notify(me, 'beforeDatasetsUpdate') === false) { - return; - } - - for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me.updateDataset(i); - } - - core_plugins.notify(me, 'afterDatasetsUpdate'); - }, - - /** - * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate` - * hook, in which case, plugins will not be called on `afterDatasetUpdate`. - * @private - */ - updateDataset: function(index) { - var me = this; - var meta = me.getDatasetMeta(index); - var args = { - meta: meta, - index: index - }; - - if (core_plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) { - return; - } - - meta.controller.update(); - - core_plugins.notify(me, 'afterDatasetUpdate', [args]); - }, - - render: function(config) { - var me = this; - - if (!config || typeof config !== 'object') { - // backwards compatibility - config = { - duration: config, - lazy: arguments[1] - }; - } - - var animationOptions = me.options.animation; - var duration = valueOrDefault$8(config.duration, animationOptions && animationOptions.duration); - var lazy = config.lazy; - - if (core_plugins.notify(me, 'beforeRender') === false) { - return; - } - - var onComplete = function(animation) { - core_plugins.notify(me, 'afterRender'); - helpers$1.callback(animationOptions && animationOptions.onComplete, [animation], me); - }; - - if (animationOptions && duration) { - var animation = new core_animation({ - numSteps: duration / 16.66, // 60 fps - easing: config.easing || animationOptions.easing, - - render: function(chart, animationObject) { - var easingFunction = helpers$1.easing.effects[animationObject.easing]; - var currentStep = animationObject.currentStep; - var stepDecimal = currentStep / animationObject.numSteps; - - chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep); - }, - - onAnimationProgress: animationOptions.onProgress, - onAnimationComplete: onComplete - }); - - core_animations.addAnimation(me, animation, duration, lazy); - } else { - me.draw(); - - // See https://github.com/chartjs/Chart.js/issues/3781 - onComplete(new core_animation({numSteps: 0, chart: me})); - } - - return me; - }, - - draw: function(easingValue) { - var me = this; - - me.clear(); - - if (helpers$1.isNullOrUndef(easingValue)) { - easingValue = 1; - } - - me.transition(easingValue); - - if (me.width <= 0 || me.height <= 0) { - return; - } - - if (core_plugins.notify(me, 'beforeDraw', [easingValue]) === false) { - return; - } - - // Draw all the scales - helpers$1.each(me.boxes, function(box) { - box.draw(me.chartArea); - }, me); - - me.drawDatasets(easingValue); - me._drawTooltip(easingValue); - - core_plugins.notify(me, 'afterDraw', [easingValue]); - }, - - /** - * @private - */ - transition: function(easingValue) { - var me = this; - - for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) { - if (me.isDatasetVisible(i)) { - me.getDatasetMeta(i).controller.transition(easingValue); - } - } - - me.tooltip.transition(easingValue); - }, - - /** - * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw` - * hook, in which case, plugins will not be called on `afterDatasetsDraw`. - * @private - */ - drawDatasets: function(easingValue) { - var me = this; - - if (core_plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) { - return; - } - - // Draw datasets reversed to support proper line stacking - for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) { - if (me.isDatasetVisible(i)) { - me.drawDataset(i, easingValue); - } - } - - core_plugins.notify(me, 'afterDatasetsDraw', [easingValue]); - }, - - /** - * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw` - * hook, in which case, plugins will not be called on `afterDatasetDraw`. - * @private - */ - drawDataset: function(index, easingValue) { - var me = this; - var meta = me.getDatasetMeta(index); - var args = { - meta: meta, - index: index, - easingValue: easingValue - }; - - if (core_plugins.notify(me, 'beforeDatasetDraw', [args]) === false) { - return; - } - - meta.controller.draw(easingValue); - - core_plugins.notify(me, 'afterDatasetDraw', [args]); - }, - - /** - * Draws tooltip unless a plugin returns `false` to the `beforeTooltipDraw` - * hook, in which case, plugins will not be called on `afterTooltipDraw`. - * @private - */ - _drawTooltip: function(easingValue) { - var me = this; - var tooltip = me.tooltip; - var args = { - tooltip: tooltip, - easingValue: easingValue - }; - - if (core_plugins.notify(me, 'beforeTooltipDraw', [args]) === false) { - return; - } - - tooltip.draw(); - - core_plugins.notify(me, 'afterTooltipDraw', [args]); - }, - - /** - * Get the single element that was clicked on - * @return An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw - */ - getElementAtEvent: function(e) { - return core_interaction.modes.single(this, e); - }, - - getElementsAtEvent: function(e) { - return core_interaction.modes.label(this, e, {intersect: true}); - }, - - getElementsAtXAxis: function(e) { - return core_interaction.modes['x-axis'](this, e, {intersect: true}); - }, - - getElementsAtEventForMode: function(e, mode, options) { - var method = core_interaction.modes[mode]; - if (typeof method === 'function') { - return method(this, e, options); - } - - return []; - }, - - getDatasetAtEvent: function(e) { - return core_interaction.modes.dataset(this, e, {intersect: true}); - }, - - getDatasetMeta: function(datasetIndex) { - var me = this; - var dataset = me.data.datasets[datasetIndex]; - if (!dataset._meta) { - dataset._meta = {}; - } - - var meta = dataset._meta[me.id]; - if (!meta) { - meta = dataset._meta[me.id] = { - type: null, - data: [], - dataset: null, - controller: null, - hidden: null, // See isDatasetVisible() comment - xAxisID: null, - yAxisID: null - }; - } - - return meta; - }, - - getVisibleDatasetCount: function() { - var count = 0; - for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { - if (this.isDatasetVisible(i)) { - count++; - } - } - return count; - }, - - isDatasetVisible: function(datasetIndex) { - var meta = this.getDatasetMeta(datasetIndex); - - // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false, - // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned. - return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden; - }, - - generateLegend: function() { - return this.options.legendCallback(this); - }, - - /** - * @private - */ - destroyDatasetMeta: function(datasetIndex) { - var id = this.id; - var dataset = this.data.datasets[datasetIndex]; - var meta = dataset._meta && dataset._meta[id]; - - if (meta) { - meta.controller.destroy(); - delete dataset._meta[id]; - } - }, - - destroy: function() { - var me = this; - var canvas = me.canvas; - var i, ilen; - - me.stop(); - - // dataset controllers need to cleanup associated data - for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me.destroyDatasetMeta(i); - } - - if (canvas) { - me.unbindEvents(); - helpers$1.canvas.clear(me); - platform.releaseContext(me.ctx); - me.canvas = null; - me.ctx = null; - } - - core_plugins.notify(me, 'destroy'); - - delete Chart.instances[me.id]; - }, - - toBase64Image: function() { - return this.canvas.toDataURL.apply(this.canvas, arguments); - }, - - initToolTip: function() { - var me = this; - me.tooltip = new core_tooltip({ - _chart: me, - _chartInstance: me, // deprecated, backward compatibility - _data: me.data, - _options: me.options.tooltips - }, me); - }, - - /** - * @private - */ - bindEvents: function() { - var me = this; - var listeners = me._listeners = {}; - var listener = function() { - me.eventHandler.apply(me, arguments); - }; - - helpers$1.each(me.options.events, function(type) { - platform.addEventListener(me, type, listener); - listeners[type] = listener; - }); - - // Elements used to detect size change should not be injected for non responsive charts. - // See https://github.com/chartjs/Chart.js/issues/2210 - if (me.options.responsive) { - listener = function() { - me.resize(); - }; - - platform.addEventListener(me, 'resize', listener); - listeners.resize = listener; - } - }, - - /** - * @private - */ - unbindEvents: function() { - var me = this; - var listeners = me._listeners; - if (!listeners) { - return; - } - - delete me._listeners; - helpers$1.each(listeners, function(listener, type) { - platform.removeEventListener(me, type, listener); - }); - }, - - updateHoverStyle: function(elements, mode, enabled) { - var method = enabled ? 'setHoverStyle' : 'removeHoverStyle'; - var element, i, ilen; - - for (i = 0, ilen = elements.length; i < ilen; ++i) { - element = elements[i]; - if (element) { - this.getDatasetMeta(element._datasetIndex).controller[method](element); - } - } - }, - - /** - * @private - */ - eventHandler: function(e) { - var me = this; - var tooltip = me.tooltip; - - if (core_plugins.notify(me, 'beforeEvent', [e]) === false) { - return; - } - - // Buffer any update calls so that renders do not occur - me._bufferedRender = true; - me._bufferedRequest = null; - - var changed = me.handleEvent(e); - // for smooth tooltip animations issue #4989 - // the tooltip should be the source of change - // Animation check workaround: - // tooltip._start will be null when tooltip isn't animating - if (tooltip) { - changed = tooltip._start - ? tooltip.handleEvent(e) - : changed | tooltip.handleEvent(e); - } - - core_plugins.notify(me, 'afterEvent', [e]); - - var bufferedRequest = me._bufferedRequest; - if (bufferedRequest) { - // If we have an update that was triggered, we need to do a normal render - me.render(bufferedRequest); - } else if (changed && !me.animating) { - // If entering, leaving, or changing elements, animate the change via pivot - me.stop(); - - // We only need to render at this point. Updating will cause scales to be - // recomputed generating flicker & using more memory than necessary. - me.render({ - duration: me.options.hover.animationDuration, - lazy: true - }); - } - - me._bufferedRender = false; - me._bufferedRequest = null; - - return me; - }, - - /** - * Handle an event - * @private - * @param {IEvent} event the event to handle - * @return {boolean} true if the chart needs to re-render - */ - handleEvent: function(e) { - var me = this; - var options = me.options || {}; - var hoverOptions = options.hover; - var changed = false; - - me.lastActive = me.lastActive || []; - - // Find Active Elements for hover and tooltips - if (e.type === 'mouseout') { - me.active = []; - } else { - me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions); - } - - // Invoke onHover hook - // Need to call with native event here to not break backwards compatibility - helpers$1.callback(options.onHover || options.hover.onHover, [e.native, me.active], me); - - if (e.type === 'mouseup' || e.type === 'click') { - if (options.onClick) { - // Use e.native here for backwards compatibility - options.onClick.call(me, e.native, me.active); - } - } - - // Remove styling for last active (even if it may still be active) - if (me.lastActive.length) { - me.updateHoverStyle(me.lastActive, hoverOptions.mode, false); - } - - // Built in hover styling - if (me.active.length && hoverOptions.mode) { - me.updateHoverStyle(me.active, hoverOptions.mode, true); - } - - changed = !helpers$1.arrayEquals(me.active, me.lastActive); - - // Remember Last Actives - me.lastActive = me.active; - - return changed; - } -}); - -/** - * NOTE(SB) We actually don't use this container anymore but we need to keep it - * for backward compatibility. Though, it can still be useful for plugins that - * would need to work on multiple charts?! - */ -Chart.instances = {}; - -var core_controller = Chart; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart instead. - * @class Chart.Controller - * @deprecated since version 2.6 - * @todo remove at version 3 - * @private - */ -Chart.Controller = Chart; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart - * @deprecated since version 2.8 - * @todo remove at version 3 - * @private - */ -Chart.types = {}; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.helpers.configMerge - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ -helpers$1.configMerge = mergeConfig; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.helpers.scaleMerge - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ -helpers$1.scaleMerge = mergeScaleConfig; - -var core_helpers = function() { - - // -- Basic js utility methods - - helpers$1.where = function(collection, filterCallback) { - if (helpers$1.isArray(collection) && Array.prototype.filter) { - return collection.filter(filterCallback); - } - var filtered = []; - - helpers$1.each(collection, function(item) { - if (filterCallback(item)) { - filtered.push(item); - } - }); - - return filtered; - }; - helpers$1.findIndex = Array.prototype.findIndex ? - function(array, callback, scope) { - return array.findIndex(callback, scope); - } : - function(array, callback, scope) { - scope = scope === undefined ? array : scope; - for (var i = 0, ilen = array.length; i < ilen; ++i) { - if (callback.call(scope, array[i], i, array)) { - return i; - } - } - return -1; - }; - helpers$1.findNextWhere = function(arrayToSearch, filterCallback, startIndex) { - // Default to start of the array - if (helpers$1.isNullOrUndef(startIndex)) { - startIndex = -1; - } - for (var i = startIndex + 1; i < arrayToSearch.length; i++) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)) { - return currentItem; - } - } - }; - helpers$1.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) { - // Default to end of the array - if (helpers$1.isNullOrUndef(startIndex)) { - startIndex = arrayToSearch.length; - } - for (var i = startIndex - 1; i >= 0; i--) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)) { - return currentItem; - } - } - }; - - // -- Math methods - helpers$1.isNumber = function(n) { - return !isNaN(parseFloat(n)) && isFinite(n); - }; - helpers$1.almostEquals = function(x, y, epsilon) { - return Math.abs(x - y) < epsilon; - }; - helpers$1.almostWhole = function(x, epsilon) { - var rounded = Math.round(x); - return (((rounded - epsilon) < x) && ((rounded + epsilon) > x)); - }; - helpers$1.max = function(array) { - return array.reduce(function(max, value) { - if (!isNaN(value)) { - return Math.max(max, value); - } - return max; - }, Number.NEGATIVE_INFINITY); - }; - helpers$1.min = function(array) { - return array.reduce(function(min, value) { - if (!isNaN(value)) { - return Math.min(min, value); - } - return min; - }, Number.POSITIVE_INFINITY); - }; - helpers$1.sign = Math.sign ? - function(x) { - return Math.sign(x); - } : - function(x) { - x = +x; // convert to a number - if (x === 0 || isNaN(x)) { - return x; - } - return x > 0 ? 1 : -1; - }; - helpers$1.log10 = Math.log10 ? - function(x) { - return Math.log10(x); - } : - function(x) { - var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10. - // Check for whole powers of 10, - // which due to floating point rounding error should be corrected. - var powerOf10 = Math.round(exponent); - var isPowerOf10 = x === Math.pow(10, powerOf10); - - return isPowerOf10 ? powerOf10 : exponent; - }; - helpers$1.toRadians = function(degrees) { - return degrees * (Math.PI / 180); - }; - helpers$1.toDegrees = function(radians) { - return radians * (180 / Math.PI); - }; - - /** - * Returns the number of decimal places - * i.e. the number of digits after the decimal point, of the value of this Number. - * @param {number} x - A number. - * @returns {number} The number of decimal places. - * @private - */ - helpers$1._decimalPlaces = function(x) { - if (!helpers$1.isFinite(x)) { - return; - } - var e = 1; - var p = 0; - while (Math.round(x * e) / e !== x) { - e *= 10; - p++; - } - return p; - }; - - // Gets the angle from vertical upright to the point about a centre. - helpers$1.getAngleFromPoint = function(centrePoint, anglePoint) { - var distanceFromXCenter = anglePoint.x - centrePoint.x; - var distanceFromYCenter = anglePoint.y - centrePoint.y; - var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); - - var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); - - if (angle < (-0.5 * Math.PI)) { - angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2] - } - - return { - angle: angle, - distance: radialDistanceFromCenter - }; - }; - helpers$1.distanceBetweenPoints = function(pt1, pt2) { - return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); - }; - - /** - * Provided for backward compatibility, not available anymore - * @function Chart.helpers.aliasPixel - * @deprecated since version 2.8.0 - * @todo remove at version 3 - */ - helpers$1.aliasPixel = function(pixelWidth) { - return (pixelWidth % 2 === 0) ? 0 : 0.5; - }; - - /** - * Returns the aligned pixel value to avoid anti-aliasing blur - * @param {Chart} chart - The chart instance. - * @param {number} pixel - A pixel value. - * @param {number} width - The width of the element. - * @returns {number} The aligned pixel value. - * @private - */ - helpers$1._alignPixel = function(chart, pixel, width) { - var devicePixelRatio = chart.currentDevicePixelRatio; - var halfWidth = width / 2; - return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth; - }; - - helpers$1.splineCurve = function(firstPoint, middlePoint, afterPoint, t) { - // Props to Rob Spencer at scaled innovation for his post on splining between points - // http://scaledinnovation.com/analytics/splines/aboutSplines.html - - // This function must also respect "skipped" points - - var previous = firstPoint.skip ? middlePoint : firstPoint; - var current = middlePoint; - var next = afterPoint.skip ? middlePoint : afterPoint; - - var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2)); - var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2)); - - var s01 = d01 / (d01 + d12); - var s12 = d12 / (d01 + d12); - - // If all points are the same, s01 & s02 will be inf - s01 = isNaN(s01) ? 0 : s01; - s12 = isNaN(s12) ? 0 : s12; - - var fa = t * s01; // scaling factor for triangle Ta - var fb = t * s12; - - return { - previous: { - x: current.x - fa * (next.x - previous.x), - y: current.y - fa * (next.y - previous.y) - }, - next: { - x: current.x + fb * (next.x - previous.x), - y: current.y + fb * (next.y - previous.y) - } - }; - }; - helpers$1.EPSILON = Number.EPSILON || 1e-14; - helpers$1.splineCurveMonotone = function(points) { - // This function calculates Bézier control points in a similar way than |splineCurve|, - // but preserves monotonicity of the provided data and ensures no local extremums are added - // between the dataset discrete points due to the interpolation. - // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation - - var pointsWithTangents = (points || []).map(function(point) { - return { - model: point._model, - deltaK: 0, - mK: 0 - }; - }); - - // Calculate slopes (deltaK) and initialize tangents (mK) - var pointsLen = pointsWithTangents.length; - var i, pointBefore, pointCurrent, pointAfter; - for (i = 0; i < pointsLen; ++i) { - pointCurrent = pointsWithTangents[i]; - if (pointCurrent.model.skip) { - continue; - } - - pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; - pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; - if (pointAfter && !pointAfter.model.skip) { - var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x); - - // In the case of two points that appear at the same x pixel, slopeDeltaX is 0 - pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0; - } - - if (!pointBefore || pointBefore.model.skip) { - pointCurrent.mK = pointCurrent.deltaK; - } else if (!pointAfter || pointAfter.model.skip) { - pointCurrent.mK = pointBefore.deltaK; - } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) { - pointCurrent.mK = 0; - } else { - pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2; - } - } - - // Adjust tangents to ensure monotonic properties - var alphaK, betaK, tauK, squaredMagnitude; - for (i = 0; i < pointsLen - 1; ++i) { - pointCurrent = pointsWithTangents[i]; - pointAfter = pointsWithTangents[i + 1]; - if (pointCurrent.model.skip || pointAfter.model.skip) { - continue; - } - - if (helpers$1.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) { - pointCurrent.mK = pointAfter.mK = 0; - continue; - } - - alphaK = pointCurrent.mK / pointCurrent.deltaK; - betaK = pointAfter.mK / pointCurrent.deltaK; - squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); - if (squaredMagnitude <= 9) { - continue; - } - - tauK = 3 / Math.sqrt(squaredMagnitude); - pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK; - pointAfter.mK = betaK * tauK * pointCurrent.deltaK; - } - - // Compute control points - var deltaX; - for (i = 0; i < pointsLen; ++i) { - pointCurrent = pointsWithTangents[i]; - if (pointCurrent.model.skip) { - continue; - } - - pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; - pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; - if (pointBefore && !pointBefore.model.skip) { - deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3; - pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX; - pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK; - } - if (pointAfter && !pointAfter.model.skip) { - deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3; - pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX; - pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK; - } - } - }; - helpers$1.nextItem = function(collection, index, loop) { - if (loop) { - return index >= collection.length - 1 ? collection[0] : collection[index + 1]; - } - return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1]; - }; - helpers$1.previousItem = function(collection, index, loop) { - if (loop) { - return index <= 0 ? collection[collection.length - 1] : collection[index - 1]; - } - return index <= 0 ? collection[0] : collection[index - 1]; - }; - // Implementation of the nice number algorithm used in determining where axis labels will go - helpers$1.niceNum = function(range, round) { - var exponent = Math.floor(helpers$1.log10(range)); - var fraction = range / Math.pow(10, exponent); - var niceFraction; - - if (round) { - if (fraction < 1.5) { - niceFraction = 1; - } else if (fraction < 3) { - niceFraction = 2; - } else if (fraction < 7) { - niceFraction = 5; - } else { - niceFraction = 10; - } - } else if (fraction <= 1.0) { - niceFraction = 1; - } else if (fraction <= 2) { - niceFraction = 2; - } else if (fraction <= 5) { - niceFraction = 5; - } else { - niceFraction = 10; - } - - return niceFraction * Math.pow(10, exponent); - }; - // Request animation polyfill - https://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ - helpers$1.requestAnimFrame = (function() { - if (typeof window === 'undefined') { - return function(callback) { - callback(); - }; - } - return window.requestAnimationFrame || - window.webkitRequestAnimationFrame || - window.mozRequestAnimationFrame || - window.oRequestAnimationFrame || - window.msRequestAnimationFrame || - function(callback) { - return window.setTimeout(callback, 1000 / 60); - }; - }()); - // -- DOM methods - helpers$1.getRelativePosition = function(evt, chart) { - var mouseX, mouseY; - var e = evt.originalEvent || evt; - var canvas = evt.target || evt.srcElement; - var boundingRect = canvas.getBoundingClientRect(); - - var touches = e.touches; - if (touches && touches.length > 0) { - mouseX = touches[0].clientX; - mouseY = touches[0].clientY; - - } else { - mouseX = e.clientX; - mouseY = e.clientY; - } - - // Scale mouse coordinates into canvas coordinates - // by following the pattern laid out by 'jerryj' in the comments of - // https://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/ - var paddingLeft = parseFloat(helpers$1.getStyle(canvas, 'padding-left')); - var paddingTop = parseFloat(helpers$1.getStyle(canvas, 'padding-top')); - var paddingRight = parseFloat(helpers$1.getStyle(canvas, 'padding-right')); - var paddingBottom = parseFloat(helpers$1.getStyle(canvas, 'padding-bottom')); - var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight; - var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom; - - // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However - // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here - mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio); - mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio); - - return { - x: mouseX, - y: mouseY - }; - - }; - - // Private helper function to convert max-width/max-height values that may be percentages into a number - function parseMaxStyle(styleValue, node, parentProperty) { - var valueInPixels; - if (typeof styleValue === 'string') { - valueInPixels = parseInt(styleValue, 10); - - if (styleValue.indexOf('%') !== -1) { - // percentage * size in dimension - valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; - } - } else { - valueInPixels = styleValue; - } - - return valueInPixels; - } - - /** - * Returns if the given value contains an effective constraint. - * @private - */ - function isConstrainedValue(value) { - return value !== undefined && value !== null && value !== 'none'; - } - - /** - * Returns the max width or height of the given DOM node in a cross-browser compatible fashion - * @param {HTMLElement} domNode - the node to check the constraint on - * @param {string} maxStyle - the style that defines the maximum for the direction we are using ('max-width' / 'max-height') - * @param {string} percentageProperty - property of parent to use when calculating width as a percentage - * @see {@link https://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser} - */ - function getConstraintDimension(domNode, maxStyle, percentageProperty) { - var view = document.defaultView; - var parentNode = helpers$1._getParentNode(domNode); - var constrainedNode = view.getComputedStyle(domNode)[maxStyle]; - var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle]; - var hasCNode = isConstrainedValue(constrainedNode); - var hasCContainer = isConstrainedValue(constrainedContainer); - var infinity = Number.POSITIVE_INFINITY; - - if (hasCNode || hasCContainer) { - return Math.min( - hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity, - hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity); - } - - return 'none'; - } - // returns Number or undefined if no constraint - helpers$1.getConstraintWidth = function(domNode) { - return getConstraintDimension(domNode, 'max-width', 'clientWidth'); - }; - // returns Number or undefined if no constraint - helpers$1.getConstraintHeight = function(domNode) { - return getConstraintDimension(domNode, 'max-height', 'clientHeight'); - }; - /** - * @private - */ - helpers$1._calculatePadding = function(container, padding, parentDimension) { - padding = helpers$1.getStyle(container, padding); - - return padding.indexOf('%') > -1 ? parentDimension * parseInt(padding, 10) / 100 : parseInt(padding, 10); - }; - /** - * @private - */ - helpers$1._getParentNode = function(domNode) { - var parent = domNode.parentNode; - if (parent && parent.toString() === '[object ShadowRoot]') { - parent = parent.host; - } - return parent; - }; - helpers$1.getMaximumWidth = function(domNode) { - var container = helpers$1._getParentNode(domNode); - if (!container) { - return domNode.clientWidth; - } - - var clientWidth = container.clientWidth; - var paddingLeft = helpers$1._calculatePadding(container, 'padding-left', clientWidth); - var paddingRight = helpers$1._calculatePadding(container, 'padding-right', clientWidth); - - var w = clientWidth - paddingLeft - paddingRight; - var cw = helpers$1.getConstraintWidth(domNode); - return isNaN(cw) ? w : Math.min(w, cw); - }; - helpers$1.getMaximumHeight = function(domNode) { - var container = helpers$1._getParentNode(domNode); - if (!container) { - return domNode.clientHeight; - } - - var clientHeight = container.clientHeight; - var paddingTop = helpers$1._calculatePadding(container, 'padding-top', clientHeight); - var paddingBottom = helpers$1._calculatePadding(container, 'padding-bottom', clientHeight); - - var h = clientHeight - paddingTop - paddingBottom; - var ch = helpers$1.getConstraintHeight(domNode); - return isNaN(ch) ? h : Math.min(h, ch); - }; - helpers$1.getStyle = function(el, property) { - return el.currentStyle ? - el.currentStyle[property] : - document.defaultView.getComputedStyle(el, null).getPropertyValue(property); - }; - helpers$1.retinaScale = function(chart, forceRatio) { - var pixelRatio = chart.currentDevicePixelRatio = forceRatio || (typeof window !== 'undefined' && window.devicePixelRatio) || 1; - if (pixelRatio === 1) { - return; - } - - var canvas = chart.canvas; - var height = chart.height; - var width = chart.width; - - canvas.height = height * pixelRatio; - canvas.width = width * pixelRatio; - chart.ctx.scale(pixelRatio, pixelRatio); - - // If no style has been set on the canvas, the render size is used as display size, - // making the chart visually bigger, so let's enforce it to the "correct" values. - // See https://github.com/chartjs/Chart.js/issues/3575 - if (!canvas.style.height && !canvas.style.width) { - canvas.style.height = height + 'px'; - canvas.style.width = width + 'px'; - } - }; - // -- Canvas methods - helpers$1.fontString = function(pixelSize, fontStyle, fontFamily) { - return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; - }; - helpers$1.longestText = function(ctx, font, arrayOfThings, cache) { - cache = cache || {}; - var data = cache.data = cache.data || {}; - var gc = cache.garbageCollect = cache.garbageCollect || []; - - if (cache.font !== font) { - data = cache.data = {}; - gc = cache.garbageCollect = []; - cache.font = font; - } - - ctx.font = font; - var longest = 0; - helpers$1.each(arrayOfThings, function(thing) { - // Undefined strings and arrays should not be measured - if (thing !== undefined && thing !== null && helpers$1.isArray(thing) !== true) { - longest = helpers$1.measureText(ctx, data, gc, longest, thing); - } else if (helpers$1.isArray(thing)) { - // if it is an array lets measure each element - // to do maybe simplify this function a bit so we can do this more recursively? - helpers$1.each(thing, function(nestedThing) { - // Undefined strings and arrays should not be measured - if (nestedThing !== undefined && nestedThing !== null && !helpers$1.isArray(nestedThing)) { - longest = helpers$1.measureText(ctx, data, gc, longest, nestedThing); - } - }); - } - }); - - var gcLen = gc.length / 2; - if (gcLen > arrayOfThings.length) { - for (var i = 0; i < gcLen; i++) { - delete data[gc[i]]; - } - gc.splice(0, gcLen); - } - return longest; - }; - helpers$1.measureText = function(ctx, data, gc, longest, string) { - var textWidth = data[string]; - if (!textWidth) { - textWidth = data[string] = ctx.measureText(string).width; - gc.push(string); - } - if (textWidth > longest) { - longest = textWidth; - } - return longest; - }; - helpers$1.numberOfLabelLines = function(arrayOfThings) { - var numberOfLines = 1; - helpers$1.each(arrayOfThings, function(thing) { - if (helpers$1.isArray(thing)) { - if (thing.length > numberOfLines) { - numberOfLines = thing.length; - } - } - }); - return numberOfLines; - }; - - helpers$1.color = !chartjsColor ? - function(value) { - console.error('Color.js not found!'); - return value; - } : - function(value) { - /* global CanvasGradient */ - if (value instanceof CanvasGradient) { - value = core_defaults.global.defaultColor; - } - - return chartjsColor(value); - }; - - helpers$1.getHoverColor = function(colorValue) { - /* global CanvasPattern */ - return (colorValue instanceof CanvasPattern || colorValue instanceof CanvasGradient) ? - colorValue : - helpers$1.color(colorValue).saturate(0.5).darken(0.1).rgbString(); - }; -}; - -function abstract() { - throw new Error( - 'This method is not implemented: either no adapter can ' + - 'be found or an incomplete integration was provided.' - ); -} - -/** - * Date adapter (current used by the time scale) - * @namespace Chart._adapters._date - * @memberof Chart._adapters - * @private - */ - -/** - * Currently supported unit string values. - * @typedef {('millisecond'|'second'|'minute'|'hour'|'day'|'week'|'month'|'quarter'|'year')} - * @memberof Chart._adapters._date - * @name Unit - */ - -/** - * @class - */ -function DateAdapter(options) { - this.options = options || {}; -} - -helpers$1.extend(DateAdapter.prototype, /** @lends DateAdapter */ { - /** - * Returns a map of time formats for the supported formatting units defined - * in Unit as well as 'datetime' representing a detailed date/time string. - * @returns {{string: string}} - */ - formats: abstract, - - /** - * Parses the given `value` and return the associated timestamp. - * @param {any} value - the value to parse (usually comes from the data) - * @param {string} [format] - the expected data format - * @returns {(number|null)} - * @function - */ - parse: abstract, - - /** - * Returns the formatted date in the specified `format` for a given `timestamp`. - * @param {number} timestamp - the timestamp to format - * @param {string} format - the date/time token - * @return {string} - * @function - */ - format: abstract, - - /** - * Adds the specified `amount` of `unit` to the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {number} amount - the amount to add - * @param {Unit} unit - the unit as string - * @return {number} - * @function - */ - add: abstract, - - /** - * Returns the number of `unit` between the given timestamps. - * @param {number} max - the input timestamp (reference) - * @param {number} min - the timestamp to substract - * @param {Unit} unit - the unit as string - * @return {number} - * @function - */ - diff: abstract, - - /** - * Returns start of `unit` for the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {Unit} unit - the unit as string - * @param {number} [weekday] - the ISO day of the week with 1 being Monday - * and 7 being Sunday (only needed if param *unit* is `isoWeek`). - * @function - */ - startOf: abstract, - - /** - * Returns end of `unit` for the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {Unit} unit - the unit as string - * @function - */ - endOf: abstract, - - // DEPRECATIONS - - /** - * Provided for backward compatibility for scale.getValueForPixel(), - * this method should be overridden only by the moment adapter. - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - _create: function(value) { - return value; - } -}); - -DateAdapter.override = function(members) { - helpers$1.extend(DateAdapter.prototype, members); -}; - -var _date = DateAdapter; - -var core_adapters = { - _date: _date -}; - -/** - * Namespace to hold static tick generation functions - * @namespace Chart.Ticks - */ -var core_ticks = { - /** - * Namespace to hold formatters for different types of ticks - * @namespace Chart.Ticks.formatters - */ - formatters: { - /** - * Formatter for value labels - * @method Chart.Ticks.formatters.values - * @param value the value to display - * @return {string|string[]} the label to display - */ - values: function(value) { - return helpers$1.isArray(value) ? value : '' + value; - }, - - /** - * Formatter for linear numeric ticks - * @method Chart.Ticks.formatters.linear - * @param tickValue {number} the value to be formatted - * @param index {number} the position of the tickValue parameter in the ticks array - * @param ticks {number[]} the list of ticks being converted - * @return {string} string representation of the tickValue parameter - */ - linear: function(tickValue, index, ticks) { - // If we have lots of ticks, don't use the ones - var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0]; - - // If we have a number like 2.5 as the delta, figure out how many decimal places we need - if (Math.abs(delta) > 1) { - if (tickValue !== Math.floor(tickValue)) { - // not an integer - delta = tickValue - Math.floor(tickValue); - } - } - - var logDelta = helpers$1.log10(Math.abs(delta)); - var tickString = ''; - - if (tickValue !== 0) { - var maxTick = Math.max(Math.abs(ticks[0]), Math.abs(ticks[ticks.length - 1])); - if (maxTick < 1e-4) { // all ticks are small numbers; use scientific notation - var logTick = helpers$1.log10(Math.abs(tickValue)); - tickString = tickValue.toExponential(Math.floor(logTick) - Math.floor(logDelta)); - } else { - var numDecimal = -1 * Math.floor(logDelta); - numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places - tickString = tickValue.toFixed(numDecimal); - } - } else { - tickString = '0'; // never show decimal places for 0 - } - - return tickString; - }, - - logarithmic: function(tickValue, index, ticks) { - var remain = tickValue / (Math.pow(10, Math.floor(helpers$1.log10(tickValue)))); - - if (tickValue === 0) { - return '0'; - } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) { - return tickValue.toExponential(); - } - return ''; - } - } -}; - -var valueOrDefault$9 = helpers$1.valueOrDefault; -var valueAtIndexOrDefault = helpers$1.valueAtIndexOrDefault; - -core_defaults._set('scale', { - display: true, - position: 'left', - offset: false, - - // grid line settings - gridLines: { - display: true, - color: 'rgba(0, 0, 0, 0.1)', - lineWidth: 1, - drawBorder: true, - drawOnChartArea: true, - drawTicks: true, - tickMarkLength: 10, - zeroLineWidth: 1, - zeroLineColor: 'rgba(0,0,0,0.25)', - zeroLineBorderDash: [], - zeroLineBorderDashOffset: 0.0, - offsetGridLines: false, - borderDash: [], - borderDashOffset: 0.0 - }, - - // scale label - scaleLabel: { - // display property - display: false, - - // actual label - labelString: '', - - // top/bottom padding - padding: { - top: 4, - bottom: 4 - } - }, - - // label settings - ticks: { - beginAtZero: false, - minRotation: 0, - maxRotation: 50, - mirror: false, - padding: 0, - reverse: false, - display: true, - autoSkip: true, - autoSkipPadding: 0, - labelOffset: 0, - // We pass through arrays to be rendered as multiline labels, we convert Others to strings here. - callback: core_ticks.formatters.values, - minor: {}, - major: {} - } -}); - -function labelsFromTicks(ticks) { - var labels = []; - var i, ilen; - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - labels.push(ticks[i].label); - } - - return labels; -} - -function getPixelForGridLine(scale, index, offsetGridLines) { - var lineValue = scale.getPixelForTick(index); - - if (offsetGridLines) { - if (scale.getTicks().length === 1) { - lineValue -= scale.isHorizontal() ? - Math.max(lineValue - scale.left, scale.right - lineValue) : - Math.max(lineValue - scale.top, scale.bottom - lineValue); - } else if (index === 0) { - lineValue -= (scale.getPixelForTick(1) - lineValue) / 2; - } else { - lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2; - } - } - return lineValue; -} - -function computeTextSize(context, tick, font) { - return helpers$1.isArray(tick) ? - helpers$1.longestText(context, font, tick) : - context.measureText(tick).width; -} - -var core_scale = core_element.extend({ - /** - * Get the padding needed for the scale - * @method getPadding - * @private - * @returns {Padding} the necessary padding - */ - getPadding: function() { - var me = this; - return { - left: me.paddingLeft || 0, - top: me.paddingTop || 0, - right: me.paddingRight || 0, - bottom: me.paddingBottom || 0 - }; - }, - - /** - * Returns the scale tick objects ({label, major}) - * @since 2.7 - */ - getTicks: function() { - return this._ticks; - }, - - // These methods are ordered by lifecyle. Utilities then follow. - // Any function defined here is inherited by all scale types. - // Any function can be extended by the scale type - - mergeTicksOptions: function() { - var ticks = this.options.ticks; - if (ticks.minor === false) { - ticks.minor = { - display: false - }; - } - if (ticks.major === false) { - ticks.major = { - display: false - }; - } - for (var key in ticks) { - if (key !== 'major' && key !== 'minor') { - if (typeof ticks.minor[key] === 'undefined') { - ticks.minor[key] = ticks[key]; - } - if (typeof ticks.major[key] === 'undefined') { - ticks.major[key] = ticks[key]; - } - } - } - }, - beforeUpdate: function() { - helpers$1.callback(this.options.beforeUpdate, [this]); - }, - - update: function(maxWidth, maxHeight, margins) { - var me = this; - var i, ilen, labels, label, ticks, tick; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = helpers$1.extend({ - left: 0, - right: 0, - top: 0, - bottom: 0 - }, margins); - - me._maxLabelLines = 0; - me.longestLabelWidth = 0; - me.longestTextCache = me.longestTextCache || {}; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - - // Data min/max - me.beforeDataLimits(); - me.determineDataLimits(); - me.afterDataLimits(); - - // Ticks - `this.ticks` is now DEPRECATED! - // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member - // and must not be accessed directly from outside this class. `this.ticks` being - // around for long time and not marked as private, we can't change its structure - // without unexpected breaking changes. If you need to access the scale ticks, - // use scale.getTicks() instead. - - me.beforeBuildTicks(); - - // New implementations should return an array of objects but for BACKWARD COMPAT, - // we still support no return (`this.ticks` internally set by calling this method). - ticks = me.buildTicks() || []; - - // Allow modification of ticks in callback. - ticks = me.afterBuildTicks(ticks) || ticks; - - me.beforeTickToLabelConversion(); - - // New implementations should return the formatted tick labels but for BACKWARD - // COMPAT, we still support no return (`this.ticks` internally changed by calling - // this method and supposed to contain only string values). - labels = me.convertTicksToLabels(ticks) || me.ticks; - - me.afterTickToLabelConversion(); - - me.ticks = labels; // BACKWARD COMPATIBILITY - - // IMPORTANT: from this point, we consider that `this.ticks` will NEVER change! - - // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`) - for (i = 0, ilen = labels.length; i < ilen; ++i) { - label = labels[i]; - tick = ticks[i]; - if (!tick) { - ticks.push(tick = { - label: label, - major: false - }); - } else { - tick.label = label; - } - } - - me._ticks = ticks; - - // Tick Rotation - me.beforeCalculateTickRotation(); - me.calculateTickRotation(); - me.afterCalculateTickRotation(); - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - - }, - afterUpdate: function() { - helpers$1.callback(this.options.afterUpdate, [this]); - }, - - // - - beforeSetDimensions: function() { - helpers$1.callback(this.options.beforeSetDimensions, [this]); - }, - setDimensions: function() { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - }, - afterSetDimensions: function() { - helpers$1.callback(this.options.afterSetDimensions, [this]); - }, - - // Data limits - beforeDataLimits: function() { - helpers$1.callback(this.options.beforeDataLimits, [this]); - }, - determineDataLimits: helpers$1.noop, - afterDataLimits: function() { - helpers$1.callback(this.options.afterDataLimits, [this]); - }, - - // - beforeBuildTicks: function() { - helpers$1.callback(this.options.beforeBuildTicks, [this]); - }, - buildTicks: helpers$1.noop, - afterBuildTicks: function(ticks) { - var me = this; - // ticks is empty for old axis implementations here - if (helpers$1.isArray(ticks) && ticks.length) { - return helpers$1.callback(me.options.afterBuildTicks, [me, ticks]); - } - // Support old implementations (that modified `this.ticks` directly in buildTicks) - me.ticks = helpers$1.callback(me.options.afterBuildTicks, [me, me.ticks]) || me.ticks; - return ticks; - }, - - beforeTickToLabelConversion: function() { - helpers$1.callback(this.options.beforeTickToLabelConversion, [this]); - }, - convertTicksToLabels: function() { - var me = this; - // Convert ticks to strings - var tickOpts = me.options.ticks; - me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this); - }, - afterTickToLabelConversion: function() { - helpers$1.callback(this.options.afterTickToLabelConversion, [this]); - }, - - // - - beforeCalculateTickRotation: function() { - helpers$1.callback(this.options.beforeCalculateTickRotation, [this]); - }, - calculateTickRotation: function() { - var me = this; - var context = me.ctx; - var tickOpts = me.options.ticks; - var labels = labelsFromTicks(me._ticks); - - // Get the width of each grid by calculating the difference - // between x offsets between 0 and 1. - var tickFont = helpers$1.options._parseFont(tickOpts); - context.font = tickFont.string; - - var labelRotation = tickOpts.minRotation || 0; - - if (labels.length && me.options.display && me.isHorizontal()) { - var originalLabelWidth = helpers$1.longestText(context, tickFont.string, labels, me.longestTextCache); - var labelWidth = originalLabelWidth; - var cosRotation, sinRotation; - - // Allow 3 pixels x2 padding either side for label readability - var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6; - - // Max label rotation can be set or default to 90 - also act as a loop counter - while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) { - var angleRadians = helpers$1.toRadians(labelRotation); - cosRotation = Math.cos(angleRadians); - sinRotation = Math.sin(angleRadians); - - if (sinRotation * originalLabelWidth > me.maxHeight) { - // go back one step - labelRotation--; - break; - } - - labelRotation++; - labelWidth = cosRotation * originalLabelWidth; - } - } - - me.labelRotation = labelRotation; - }, - afterCalculateTickRotation: function() { - helpers$1.callback(this.options.afterCalculateTickRotation, [this]); - }, - - // - - beforeFit: function() { - helpers$1.callback(this.options.beforeFit, [this]); - }, - fit: function() { - var me = this; - // Reset - var minSize = me.minSize = { - width: 0, - height: 0 - }; - - var labels = labelsFromTicks(me._ticks); - - var opts = me.options; - var tickOpts = opts.ticks; - var scaleLabelOpts = opts.scaleLabel; - var gridLineOpts = opts.gridLines; - var display = me._isVisible(); - var position = opts.position; - var isHorizontal = me.isHorizontal(); - - var parseFont = helpers$1.options._parseFont; - var tickFont = parseFont(tickOpts); - var tickMarkLength = opts.gridLines.tickMarkLength; - - // Width - if (isHorizontal) { - // subtract the margins to line up with the chartArea if we are a full width scale - minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth; - } else { - minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0; - } - - // height - if (isHorizontal) { - minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0; - } else { - minSize.height = me.maxHeight; // fill all the height - } - - // Are we showing a title for the scale? - if (scaleLabelOpts.display && display) { - var scaleLabelFont = parseFont(scaleLabelOpts); - var scaleLabelPadding = helpers$1.options.toPadding(scaleLabelOpts.padding); - var deltaHeight = scaleLabelFont.lineHeight + scaleLabelPadding.height; - - if (isHorizontal) { - minSize.height += deltaHeight; - } else { - minSize.width += deltaHeight; - } - } - - // Don't bother fitting the ticks if we are not showing the labels - if (tickOpts.display && display) { - var largestTextWidth = helpers$1.longestText(me.ctx, tickFont.string, labels, me.longestTextCache); - var tallestLabelHeightInLines = helpers$1.numberOfLabelLines(labels); - var lineSpace = tickFont.size * 0.5; - var tickPadding = me.options.ticks.padding; - - // Store max number of lines and widest label for _autoSkip - me._maxLabelLines = tallestLabelHeightInLines; - me.longestLabelWidth = largestTextWidth; - - if (isHorizontal) { - var angleRadians = helpers$1.toRadians(me.labelRotation); - var cosRotation = Math.cos(angleRadians); - var sinRotation = Math.sin(angleRadians); - - // TODO - improve this calculation - var labelHeight = (sinRotation * largestTextWidth) - + (tickFont.lineHeight * tallestLabelHeightInLines) - + lineSpace; // padding - - minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding); - - me.ctx.font = tickFont.string; - var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.string); - var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.string); - var offsetLeft = me.getPixelForTick(0) - me.left; - var offsetRight = me.right - me.getPixelForTick(labels.length - 1); - var paddingLeft, paddingRight; - - // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned - // which means that the right padding is dominated by the font height - if (me.labelRotation !== 0) { - paddingLeft = position === 'bottom' ? (cosRotation * firstLabelWidth) : (cosRotation * lineSpace); - paddingRight = position === 'bottom' ? (cosRotation * lineSpace) : (cosRotation * lastLabelWidth); - } else { - paddingLeft = firstLabelWidth / 2; - paddingRight = lastLabelWidth / 2; - } - me.paddingLeft = Math.max(paddingLeft - offsetLeft, 0) + 3; // add 3 px to move away from canvas edges - me.paddingRight = Math.max(paddingRight - offsetRight, 0) + 3; - } else { - // A vertical axis is more constrained by the width. Labels are the - // dominant factor here, so get that length first and account for padding - if (tickOpts.mirror) { - largestTextWidth = 0; - } else { - // use lineSpace for consistency with horizontal axis - // tickPadding is not implemented for horizontal - largestTextWidth += tickPadding + lineSpace; - } - - minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth); - - me.paddingTop = tickFont.size / 2; - me.paddingBottom = tickFont.size / 2; - } - } - - me.handleMargins(); - - me.width = minSize.width; - me.height = minSize.height; - }, - - /** - * Handle margins and padding interactions - * @private - */ - handleMargins: function() { - var me = this; - if (me.margins) { - me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0); - me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0); - me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0); - me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0); - } - }, - - afterFit: function() { - helpers$1.callback(this.options.afterFit, [this]); - }, - - // Shared Methods - isHorizontal: function() { - return this.options.position === 'top' || this.options.position === 'bottom'; - }, - isFullWidth: function() { - return (this.options.fullWidth); - }, - - // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not - getRightValue: function(rawValue) { - // Null and undefined values first - if (helpers$1.isNullOrUndef(rawValue)) { - return NaN; - } - // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values - if ((typeof rawValue === 'number' || rawValue instanceof Number) && !isFinite(rawValue)) { - return NaN; - } - // If it is in fact an object, dive in one more level - if (rawValue) { - if (this.isHorizontal()) { - if (rawValue.x !== undefined) { - return this.getRightValue(rawValue.x); - } - } else if (rawValue.y !== undefined) { - return this.getRightValue(rawValue.y); - } - } - - // Value is good, return it - return rawValue; - }, - - /** - * Used to get the value to display in the tooltip for the data at the given index - * @param index - * @param datasetIndex - */ - getLabelForIndex: helpers$1.noop, - - /** - * Returns the location of the given data point. Value can either be an index or a numerical value - * The coordinate (0, 0) is at the upper-left corner of the canvas - * @param value - * @param index - * @param datasetIndex - */ - getPixelForValue: helpers$1.noop, - - /** - * Used to get the data value from a given pixel. This is the inverse of getPixelForValue - * The coordinate (0, 0) is at the upper-left corner of the canvas - * @param pixel - */ - getValueForPixel: helpers$1.noop, - - /** - * Returns the location of the tick at the given index - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getPixelForTick: function(index) { - var me = this; - var offset = me.options.offset; - if (me.isHorizontal()) { - var innerWidth = me.width - (me.paddingLeft + me.paddingRight); - var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1); - var pixel = (tickWidth * index) + me.paddingLeft; - - if (offset) { - pixel += tickWidth / 2; - } - - var finalVal = me.left + pixel; - finalVal += me.isFullWidth() ? me.margins.left : 0; - return finalVal; - } - var innerHeight = me.height - (me.paddingTop + me.paddingBottom); - return me.top + (index * (innerHeight / (me._ticks.length - 1))); - }, - - /** - * Utility for getting the pixel location of a percentage of scale - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getPixelForDecimal: function(decimal) { - var me = this; - if (me.isHorizontal()) { - var innerWidth = me.width - (me.paddingLeft + me.paddingRight); - var valueOffset = (innerWidth * decimal) + me.paddingLeft; - - var finalVal = me.left + valueOffset; - finalVal += me.isFullWidth() ? me.margins.left : 0; - return finalVal; - } - return me.top + (decimal * me.height); - }, - - /** - * Returns the pixel for the minimum chart value - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getBasePixel: function() { - return this.getPixelForValue(this.getBaseValue()); - }, - - getBaseValue: function() { - var me = this; - var min = me.min; - var max = me.max; - - return me.beginAtZero ? 0 : - min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0; - }, - - /** - * Returns a subset of ticks to be plotted to avoid overlapping labels. - * @private - */ - _autoSkip: function(ticks) { - var me = this; - var isHorizontal = me.isHorizontal(); - var optionTicks = me.options.ticks.minor; - var tickCount = ticks.length; - var skipRatio = false; - var maxTicks = optionTicks.maxTicksLimit; - - // Total space needed to display all ticks. First and last ticks are - // drawn as their center at end of axis, so tickCount-1 - var ticksLength = me._tickSize() * (tickCount - 1); - - // Axis length - var axisLength = isHorizontal - ? me.width - (me.paddingLeft + me.paddingRight) - : me.height - (me.paddingTop + me.PaddingBottom); - - var result = []; - var i, tick; - - if (ticksLength > axisLength) { - skipRatio = 1 + Math.floor(ticksLength / axisLength); - } - - // if they defined a max number of optionTicks, - // increase skipRatio until that number is met - if (tickCount > maxTicks) { - skipRatio = Math.max(skipRatio, 1 + Math.floor(tickCount / maxTicks)); - } - - for (i = 0; i < tickCount; i++) { - tick = ticks[i]; - - if (skipRatio > 1 && i % skipRatio > 0) { - // leave tick in place but make sure it's not displayed (#4635) - delete tick.label; - } - result.push(tick); - } - return result; - }, - - /** - * @private - */ - _tickSize: function() { - var me = this; - var isHorizontal = me.isHorizontal(); - var optionTicks = me.options.ticks.minor; - - // Calculate space needed by label in axis direction. - var rot = helpers$1.toRadians(me.labelRotation); - var cos = Math.abs(Math.cos(rot)); - var sin = Math.abs(Math.sin(rot)); - - var padding = optionTicks.autoSkipPadding || 0; - var w = (me.longestLabelWidth + padding) || 0; - - var tickFont = helpers$1.options._parseFont(optionTicks); - var h = (me._maxLabelLines * tickFont.lineHeight + padding) || 0; - - // Calculate space needed for 1 tick in axis direction. - return isHorizontal - ? h * cos > w * sin ? w / cos : h / sin - : h * sin < w * cos ? h / cos : w / sin; - }, - - /** - * @private - */ - _isVisible: function() { - var me = this; - var chart = me.chart; - var display = me.options.display; - var i, ilen, meta; - - if (display !== 'auto') { - return !!display; - } - - // When 'auto', the scale is visible if at least one associated dataset is visible. - for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - meta = chart.getDatasetMeta(i); - if (meta.xAxisID === me.id || meta.yAxisID === me.id) { - return true; - } - } - } - - return false; - }, - - /** - * Actually draw the scale on the canvas - * @param {object} chartArea - the area of the chart to draw full grid lines on - */ - draw: function(chartArea) { - var me = this; - var options = me.options; - - if (!me._isVisible()) { - return; - } - - var chart = me.chart; - var context = me.ctx; - var globalDefaults = core_defaults.global; - var defaultFontColor = globalDefaults.defaultFontColor; - var optionTicks = options.ticks.minor; - var optionMajorTicks = options.ticks.major || optionTicks; - var gridLines = options.gridLines; - var scaleLabel = options.scaleLabel; - var position = options.position; - - var isRotated = me.labelRotation !== 0; - var isMirrored = optionTicks.mirror; - var isHorizontal = me.isHorizontal(); - - var parseFont = helpers$1.options._parseFont; - var ticks = optionTicks.display && optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks(); - var tickFontColor = valueOrDefault$9(optionTicks.fontColor, defaultFontColor); - var tickFont = parseFont(optionTicks); - var lineHeight = tickFont.lineHeight; - var majorTickFontColor = valueOrDefault$9(optionMajorTicks.fontColor, defaultFontColor); - var majorTickFont = parseFont(optionMajorTicks); - var tickPadding = optionTicks.padding; - var labelOffset = optionTicks.labelOffset; - - var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0; - - var scaleLabelFontColor = valueOrDefault$9(scaleLabel.fontColor, defaultFontColor); - var scaleLabelFont = parseFont(scaleLabel); - var scaleLabelPadding = helpers$1.options.toPadding(scaleLabel.padding); - var labelRotationRadians = helpers$1.toRadians(me.labelRotation); - - var itemsToDraw = []; - - var axisWidth = gridLines.drawBorder ? valueAtIndexOrDefault(gridLines.lineWidth, 0, 0) : 0; - var alignPixel = helpers$1._alignPixel; - var borderValue, tickStart, tickEnd; - - if (position === 'top') { - borderValue = alignPixel(chart, me.bottom, axisWidth); - tickStart = me.bottom - tl; - tickEnd = borderValue - axisWidth / 2; - } else if (position === 'bottom') { - borderValue = alignPixel(chart, me.top, axisWidth); - tickStart = borderValue + axisWidth / 2; - tickEnd = me.top + tl; - } else if (position === 'left') { - borderValue = alignPixel(chart, me.right, axisWidth); - tickStart = me.right - tl; - tickEnd = borderValue - axisWidth / 2; - } else { - borderValue = alignPixel(chart, me.left, axisWidth); - tickStart = borderValue + axisWidth / 2; - tickEnd = me.left + tl; - } - - var epsilon = 0.0000001; // 0.0000001 is margin in pixels for Accumulated error. - - helpers$1.each(ticks, function(tick, index) { - // autoskipper skipped this tick (#4635) - if (helpers$1.isNullOrUndef(tick.label)) { - return; - } - - var label = tick.label; - var lineWidth, lineColor, borderDash, borderDashOffset; - if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) { - // Draw the first index specially - lineWidth = gridLines.zeroLineWidth; - lineColor = gridLines.zeroLineColor; - borderDash = gridLines.zeroLineBorderDash || []; - borderDashOffset = gridLines.zeroLineBorderDashOffset || 0.0; - } else { - lineWidth = valueAtIndexOrDefault(gridLines.lineWidth, index); - lineColor = valueAtIndexOrDefault(gridLines.color, index); - borderDash = gridLines.borderDash || []; - borderDashOffset = gridLines.borderDashOffset || 0.0; - } - - // Common properties - var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY, textOffset, textAlign; - var labelCount = helpers$1.isArray(label) ? label.length : 1; - var lineValue = getPixelForGridLine(me, index, gridLines.offsetGridLines); - - if (isHorizontal) { - var labelYOffset = tl + tickPadding; - - if (lineValue < me.left - epsilon) { - lineColor = 'rgba(0,0,0,0)'; - } - - tx1 = tx2 = x1 = x2 = alignPixel(chart, lineValue, lineWidth); - ty1 = tickStart; - ty2 = tickEnd; - labelX = me.getPixelForTick(index) + labelOffset; // x values for optionTicks (need to consider offsetLabel option) - - if (position === 'top') { - y1 = alignPixel(chart, chartArea.top, axisWidth) + axisWidth / 2; - y2 = chartArea.bottom; - textOffset = ((!isRotated ? 0.5 : 1) - labelCount) * lineHeight; - textAlign = !isRotated ? 'center' : 'left'; - labelY = me.bottom - labelYOffset; - } else { - y1 = chartArea.top; - y2 = alignPixel(chart, chartArea.bottom, axisWidth) - axisWidth / 2; - textOffset = (!isRotated ? 0.5 : 0) * lineHeight; - textAlign = !isRotated ? 'center' : 'right'; - labelY = me.top + labelYOffset; - } - } else { - var labelXOffset = (isMirrored ? 0 : tl) + tickPadding; - - if (lineValue < me.top - epsilon) { - lineColor = 'rgba(0,0,0,0)'; - } - - tx1 = tickStart; - tx2 = tickEnd; - ty1 = ty2 = y1 = y2 = alignPixel(chart, lineValue, lineWidth); - labelY = me.getPixelForTick(index) + labelOffset; - textOffset = (1 - labelCount) * lineHeight / 2; - - if (position === 'left') { - x1 = alignPixel(chart, chartArea.left, axisWidth) + axisWidth / 2; - x2 = chartArea.right; - textAlign = isMirrored ? 'left' : 'right'; - labelX = me.right - labelXOffset; - } else { - x1 = chartArea.left; - x2 = alignPixel(chart, chartArea.right, axisWidth) - axisWidth / 2; - textAlign = isMirrored ? 'right' : 'left'; - labelX = me.left + labelXOffset; - } - } - - itemsToDraw.push({ - tx1: tx1, - ty1: ty1, - tx2: tx2, - ty2: ty2, - x1: x1, - y1: y1, - x2: x2, - y2: y2, - labelX: labelX, - labelY: labelY, - glWidth: lineWidth, - glColor: lineColor, - glBorderDash: borderDash, - glBorderDashOffset: borderDashOffset, - rotation: -1 * labelRotationRadians, - label: label, - major: tick.major, - textOffset: textOffset, - textAlign: textAlign - }); - }); - - // Draw all of the tick labels, tick marks, and grid lines at the correct places - helpers$1.each(itemsToDraw, function(itemToDraw) { - var glWidth = itemToDraw.glWidth; - var glColor = itemToDraw.glColor; - - if (gridLines.display && glWidth && glColor) { - context.save(); - context.lineWidth = glWidth; - context.strokeStyle = glColor; - if (context.setLineDash) { - context.setLineDash(itemToDraw.glBorderDash); - context.lineDashOffset = itemToDraw.glBorderDashOffset; - } - - context.beginPath(); - - if (gridLines.drawTicks) { - context.moveTo(itemToDraw.tx1, itemToDraw.ty1); - context.lineTo(itemToDraw.tx2, itemToDraw.ty2); - } - - if (gridLines.drawOnChartArea) { - context.moveTo(itemToDraw.x1, itemToDraw.y1); - context.lineTo(itemToDraw.x2, itemToDraw.y2); - } - - context.stroke(); - context.restore(); - } - - if (optionTicks.display) { - // Make sure we draw text in the correct color and font - context.save(); - context.translate(itemToDraw.labelX, itemToDraw.labelY); - context.rotate(itemToDraw.rotation); - context.font = itemToDraw.major ? majorTickFont.string : tickFont.string; - context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor; - context.textBaseline = 'middle'; - context.textAlign = itemToDraw.textAlign; - - var label = itemToDraw.label; - var y = itemToDraw.textOffset; - if (helpers$1.isArray(label)) { - for (var i = 0; i < label.length; ++i) { - // We just make sure the multiline element is a string here.. - context.fillText('' + label[i], 0, y); - y += lineHeight; - } - } else { - context.fillText(label, 0, y); - } - context.restore(); - } - }); - - if (scaleLabel.display) { - // Draw the scale label - var scaleLabelX; - var scaleLabelY; - var rotation = 0; - var halfLineHeight = scaleLabelFont.lineHeight / 2; - - if (isHorizontal) { - scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width - scaleLabelY = position === 'bottom' - ? me.bottom - halfLineHeight - scaleLabelPadding.bottom - : me.top + halfLineHeight + scaleLabelPadding.top; - } else { - var isLeft = position === 'left'; - scaleLabelX = isLeft - ? me.left + halfLineHeight + scaleLabelPadding.top - : me.right - halfLineHeight - scaleLabelPadding.top; - scaleLabelY = me.top + ((me.bottom - me.top) / 2); - rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI; - } - - context.save(); - context.translate(scaleLabelX, scaleLabelY); - context.rotate(rotation); - context.textAlign = 'center'; - context.textBaseline = 'middle'; - context.fillStyle = scaleLabelFontColor; // render in correct colour - context.font = scaleLabelFont.string; - context.fillText(scaleLabel.labelString, 0, 0); - context.restore(); - } - - if (axisWidth) { - // Draw the line at the edge of the axis - var firstLineWidth = axisWidth; - var lastLineWidth = valueAtIndexOrDefault(gridLines.lineWidth, ticks.length - 1, 0); - var x1, x2, y1, y2; - - if (isHorizontal) { - x1 = alignPixel(chart, me.left, firstLineWidth) - firstLineWidth / 2; - x2 = alignPixel(chart, me.right, lastLineWidth) + lastLineWidth / 2; - y1 = y2 = borderValue; - } else { - y1 = alignPixel(chart, me.top, firstLineWidth) - firstLineWidth / 2; - y2 = alignPixel(chart, me.bottom, lastLineWidth) + lastLineWidth / 2; - x1 = x2 = borderValue; - } - - context.lineWidth = axisWidth; - context.strokeStyle = valueAtIndexOrDefault(gridLines.color, 0); - context.beginPath(); - context.moveTo(x1, y1); - context.lineTo(x2, y2); - context.stroke(); - } - } -}); - -var defaultConfig = { - position: 'bottom' -}; - -var scale_category = core_scale.extend({ - /** - * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those - * else fall back to data.labels - * @private - */ - getLabels: function() { - var data = this.chart.data; - return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels; - }, - - determineDataLimits: function() { - var me = this; - var labels = me.getLabels(); - me.minIndex = 0; - me.maxIndex = labels.length - 1; - var findIndex; - - if (me.options.ticks.min !== undefined) { - // user specified min value - findIndex = labels.indexOf(me.options.ticks.min); - me.minIndex = findIndex !== -1 ? findIndex : me.minIndex; - } - - if (me.options.ticks.max !== undefined) { - // user specified max value - findIndex = labels.indexOf(me.options.ticks.max); - me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex; - } - - me.min = labels[me.minIndex]; - me.max = labels[me.maxIndex]; - }, - - buildTicks: function() { - var me = this; - var labels = me.getLabels(); - // If we are viewing some subset of labels, slice the original array - me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1); - }, - - getLabelForIndex: function(index, datasetIndex) { - var me = this; - var chart = me.chart; - - if (chart.getDatasetMeta(datasetIndex).controller._getValueScaleId() === me.id) { - return me.getRightValue(chart.data.datasets[datasetIndex].data[index]); - } - - return me.ticks[index - me.minIndex]; - }, - - // Used to get data value locations. Value can either be an index or a numerical value - getPixelForValue: function(value, index) { - var me = this; - var offset = me.options.offset; - // 1 is added because we need the length but we have the indexes - var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1); - - // If value is a data object, then index is the index in the data array, - // not the index of the scale. We need to change that. - var valueCategory; - if (value !== undefined && value !== null) { - valueCategory = me.isHorizontal() ? value.x : value.y; - } - if (valueCategory !== undefined || (value !== undefined && isNaN(index))) { - var labels = me.getLabels(); - value = valueCategory || value; - var idx = labels.indexOf(value); - index = idx !== -1 ? idx : index; - } - - if (me.isHorizontal()) { - var valueWidth = me.width / offsetAmt; - var widthOffset = (valueWidth * (index - me.minIndex)); - - if (offset) { - widthOffset += (valueWidth / 2); - } - - return me.left + widthOffset; - } - var valueHeight = me.height / offsetAmt; - var heightOffset = (valueHeight * (index - me.minIndex)); - - if (offset) { - heightOffset += (valueHeight / 2); - } - - return me.top + heightOffset; - }, - - getPixelForTick: function(index) { - return this.getPixelForValue(this.ticks[index], index + this.minIndex, null); - }, - - getValueForPixel: function(pixel) { - var me = this; - var offset = me.options.offset; - var value; - var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1); - var horz = me.isHorizontal(); - var valueDimension = (horz ? me.width : me.height) / offsetAmt; - - pixel -= horz ? me.left : me.top; - - if (offset) { - pixel -= (valueDimension / 2); - } - - if (pixel <= 0) { - value = 0; - } else { - value = Math.round(pixel / valueDimension); - } - - return value + me.minIndex; - }, - - getBasePixel: function() { - return this.bottom; - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults = defaultConfig; -scale_category._defaults = _defaults; - -var noop = helpers$1.noop; -var isNullOrUndef = helpers$1.isNullOrUndef; - -/** - * Generate a set of linear ticks - * @param generationOptions the options used to generate the ticks - * @param dataRange the range of the data - * @returns {number[]} array of tick values - */ -function generateTicks(generationOptions, dataRange) { - var ticks = []; - // To get a "nice" value for the tick spacing, we will use the appropriately named - // "nice number" algorithm. See https://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks - // for details. - - var MIN_SPACING = 1e-14; - var stepSize = generationOptions.stepSize; - var unit = stepSize || 1; - var maxNumSpaces = generationOptions.maxTicks - 1; - var min = generationOptions.min; - var max = generationOptions.max; - var precision = generationOptions.precision; - var rmin = dataRange.min; - var rmax = dataRange.max; - var spacing = helpers$1.niceNum((rmax - rmin) / maxNumSpaces / unit) * unit; - var factor, niceMin, niceMax, numSpaces; - - // Beyond MIN_SPACING floating point numbers being to lose precision - // such that we can't do the math necessary to generate ticks - if (spacing < MIN_SPACING && isNullOrUndef(min) && isNullOrUndef(max)) { - return [rmin, rmax]; - } - - numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); - if (numSpaces > maxNumSpaces) { - // If the calculated num of spaces exceeds maxNumSpaces, recalculate it - spacing = helpers$1.niceNum(numSpaces * spacing / maxNumSpaces / unit) * unit; - } - - if (stepSize || isNullOrUndef(precision)) { - // If a precision is not specified, calculate factor based on spacing - factor = Math.pow(10, helpers$1._decimalPlaces(spacing)); - } else { - // If the user specified a precision, round to that number of decimal places - factor = Math.pow(10, precision); - spacing = Math.ceil(spacing * factor) / factor; - } - - niceMin = Math.floor(rmin / spacing) * spacing; - niceMax = Math.ceil(rmax / spacing) * spacing; - - // If min, max and stepSize is set and they make an evenly spaced scale use it. - if (stepSize) { - // If very close to our whole number, use it. - if (!isNullOrUndef(min) && helpers$1.almostWhole(min / spacing, spacing / 1000)) { - niceMin = min; - } - if (!isNullOrUndef(max) && helpers$1.almostWhole(max / spacing, spacing / 1000)) { - niceMax = max; - } - } - - numSpaces = (niceMax - niceMin) / spacing; - // If very close to our rounded value, use it. - if (helpers$1.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { - numSpaces = Math.round(numSpaces); - } else { - numSpaces = Math.ceil(numSpaces); - } - - niceMin = Math.round(niceMin * factor) / factor; - niceMax = Math.round(niceMax * factor) / factor; - ticks.push(isNullOrUndef(min) ? niceMin : min); - for (var j = 1; j < numSpaces; ++j) { - ticks.push(Math.round((niceMin + j * spacing) * factor) / factor); - } - ticks.push(isNullOrUndef(max) ? niceMax : max); - - return ticks; -} - -var scale_linearbase = core_scale.extend({ - getRightValue: function(value) { - if (typeof value === 'string') { - return +value; - } - return core_scale.prototype.getRightValue.call(this, value); - }, - - handleTickRangeOptions: function() { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - - // If we are forcing it to begin at 0, but 0 will already be rendered on the chart, - // do nothing since that would make the chart weird. If the user really wants a weird chart - // axis, they can manually override it - if (tickOpts.beginAtZero) { - var minSign = helpers$1.sign(me.min); - var maxSign = helpers$1.sign(me.max); - - if (minSign < 0 && maxSign < 0) { - // move the top up to 0 - me.max = 0; - } else if (minSign > 0 && maxSign > 0) { - // move the bottom down to 0 - me.min = 0; - } - } - - var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined; - var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined; - - if (tickOpts.min !== undefined) { - me.min = tickOpts.min; - } else if (tickOpts.suggestedMin !== undefined) { - if (me.min === null) { - me.min = tickOpts.suggestedMin; - } else { - me.min = Math.min(me.min, tickOpts.suggestedMin); - } - } - - if (tickOpts.max !== undefined) { - me.max = tickOpts.max; - } else if (tickOpts.suggestedMax !== undefined) { - if (me.max === null) { - me.max = tickOpts.suggestedMax; - } else { - me.max = Math.max(me.max, tickOpts.suggestedMax); - } - } - - if (setMin !== setMax) { - // We set the min or the max but not both. - // So ensure that our range is good - // Inverted or 0 length range can happen when - // ticks.min is set, and no datasets are visible - if (me.min >= me.max) { - if (setMin) { - me.max = me.min + 1; - } else { - me.min = me.max - 1; - } - } - } - - if (me.min === me.max) { - me.max++; - - if (!tickOpts.beginAtZero) { - me.min--; - } - } - }, - - getTickLimit: function() { - var me = this; - var tickOpts = me.options.ticks; - var stepSize = tickOpts.stepSize; - var maxTicksLimit = tickOpts.maxTicksLimit; - var maxTicks; - - if (stepSize) { - maxTicks = Math.ceil(me.max / stepSize) - Math.floor(me.min / stepSize) + 1; - } else { - maxTicks = me._computeTickLimit(); - maxTicksLimit = maxTicksLimit || 11; - } - - if (maxTicksLimit) { - maxTicks = Math.min(maxTicksLimit, maxTicks); - } - - return maxTicks; - }, - - _computeTickLimit: function() { - return Number.POSITIVE_INFINITY; - }, - - handleDirectionalChanges: noop, - - buildTicks: function() { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - - // Figure out what the max number of ticks we can support it is based on the size of - // the axis area. For now, we say that the minimum tick spacing in pixels must be 40 - // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on - // the graph. Make sure we always have at least 2 ticks - var maxTicks = me.getTickLimit(); - maxTicks = Math.max(2, maxTicks); - - var numericGeneratorOptions = { - maxTicks: maxTicks, - min: tickOpts.min, - max: tickOpts.max, - precision: tickOpts.precision, - stepSize: helpers$1.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize) - }; - var ticks = me.ticks = generateTicks(numericGeneratorOptions, me); - - me.handleDirectionalChanges(); - - // At this point, we need to update our max and min given the tick values since we have expanded the - // range of the scale - me.max = helpers$1.max(ticks); - me.min = helpers$1.min(ticks); - - if (tickOpts.reverse) { - ticks.reverse(); - - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - }, - - convertTicksToLabels: function() { - var me = this; - me.ticksAsNumbers = me.ticks.slice(); - me.zeroLineIndex = me.ticks.indexOf(0); - - core_scale.prototype.convertTicksToLabels.call(me); - } -}); - -var defaultConfig$1 = { - position: 'left', - ticks: { - callback: core_ticks.formatters.linear - } -}; - -var scale_linear = scale_linearbase.extend({ - determineDataLimits: function() { - var me = this; - var opts = me.options; - var chart = me.chart; - var data = chart.data; - var datasets = data.datasets; - var isHorizontal = me.isHorizontal(); - var DEFAULT_MIN = 0; - var DEFAULT_MAX = 1; - - function IDMatches(meta) { - return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; - } - - // First Calculate the range - me.min = null; - me.max = null; - - var hasStacks = opts.stacked; - if (hasStacks === undefined) { - helpers$1.each(datasets, function(dataset, datasetIndex) { - if (hasStacks) { - return; - } - - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && - meta.stack !== undefined) { - hasStacks = true; - } - }); - } - - if (opts.stacked || hasStacks) { - var valuesPerStack = {}; - - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - var key = [ - meta.type, - // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined - ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), - meta.stack - ].join('.'); - - if (valuesPerStack[key] === undefined) { - valuesPerStack[key] = { - positiveValues: [], - negativeValues: [] - }; - } - - // Store these per type - var positiveValues = valuesPerStack[key].positiveValues; - var negativeValues = valuesPerStack[key].negativeValues; - - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - positiveValues[index] = positiveValues[index] || 0; - negativeValues[index] = negativeValues[index] || 0; - - if (opts.relativePoints) { - positiveValues[index] = 100; - } else if (value < 0) { - negativeValues[index] += value; - } else { - positiveValues[index] += value; - } - }); - } - }); - - helpers$1.each(valuesPerStack, function(valuesForType) { - var values = valuesForType.positiveValues.concat(valuesForType.negativeValues); - var minVal = helpers$1.min(values); - var maxVal = helpers$1.max(values); - me.min = me.min === null ? minVal : Math.min(me.min, minVal); - me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); - }); - - } else { - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - if (me.min === null) { - me.min = value; - } else if (value < me.min) { - me.min = value; - } - - if (me.max === null) { - me.max = value; - } else if (value > me.max) { - me.max = value; - } - }); - } - }); - } - - me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN; - me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX; - - // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero - this.handleTickRangeOptions(); - }, - - // Returns the maximum number of ticks based on the scale dimension - _computeTickLimit: function() { - var me = this; - var tickFont; - - if (me.isHorizontal()) { - return Math.ceil(me.width / 40); - } - tickFont = helpers$1.options._parseFont(me.options.ticks); - return Math.ceil(me.height / tickFont.lineHeight); - }, - - // Called after the ticks are built. We need - handleDirectionalChanges: function() { - if (!this.isHorizontal()) { - // We are in a vertical orientation. The top value is the highest. So reverse the array - this.ticks.reverse(); - } - }, - - getLabelForIndex: function(index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - // Utils - getPixelForValue: function(value) { - // This must be called after fit has been run so that - // this.left, this.top, this.right, and this.bottom have been defined - var me = this; - var start = me.start; - - var rightValue = +me.getRightValue(value); - var pixel; - var range = me.end - start; - - if (me.isHorizontal()) { - pixel = me.left + (me.width / range * (rightValue - start)); - } else { - pixel = me.bottom - (me.height / range * (rightValue - start)); - } - return pixel; - }, - - getValueForPixel: function(pixel) { - var me = this; - var isHorizontal = me.isHorizontal(); - var innerDimension = isHorizontal ? me.width : me.height; - var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension; - return me.start + ((me.end - me.start) * offset); - }, - - getPixelForTick: function(index) { - return this.getPixelForValue(this.ticksAsNumbers[index]); - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$1 = defaultConfig$1; -scale_linear._defaults = _defaults$1; - -var valueOrDefault$a = helpers$1.valueOrDefault; - -/** - * Generate a set of logarithmic ticks - * @param generationOptions the options used to generate the ticks - * @param dataRange the range of the data - * @returns {number[]} array of tick values - */ -function generateTicks$1(generationOptions, dataRange) { - var ticks = []; - - var tickVal = valueOrDefault$a(generationOptions.min, Math.pow(10, Math.floor(helpers$1.log10(dataRange.min)))); - - var endExp = Math.floor(helpers$1.log10(dataRange.max)); - var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); - var exp, significand; - - if (tickVal === 0) { - exp = Math.floor(helpers$1.log10(dataRange.minNotZero)); - significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp)); - - ticks.push(tickVal); - tickVal = significand * Math.pow(10, exp); - } else { - exp = Math.floor(helpers$1.log10(tickVal)); - significand = Math.floor(tickVal / Math.pow(10, exp)); - } - var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; - - do { - ticks.push(tickVal); - - ++significand; - if (significand === 10) { - significand = 1; - ++exp; - precision = exp >= 0 ? 1 : precision; - } - - tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision; - } while (exp < endExp || (exp === endExp && significand < endSignificand)); - - var lastTick = valueOrDefault$a(generationOptions.max, tickVal); - ticks.push(lastTick); - - return ticks; -} - -var defaultConfig$2 = { - position: 'left', - - // label settings - ticks: { - callback: core_ticks.formatters.logarithmic - } -}; - -// TODO(v3): change this to positiveOrDefault -function nonNegativeOrDefault(value, defaultValue) { - return helpers$1.isFinite(value) && value >= 0 ? value : defaultValue; -} - -var scale_logarithmic = core_scale.extend({ - determineDataLimits: function() { - var me = this; - var opts = me.options; - var chart = me.chart; - var data = chart.data; - var datasets = data.datasets; - var isHorizontal = me.isHorizontal(); - function IDMatches(meta) { - return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; - } - - // Calculate Range - me.min = null; - me.max = null; - me.minNotZero = null; - - var hasStacks = opts.stacked; - if (hasStacks === undefined) { - helpers$1.each(datasets, function(dataset, datasetIndex) { - if (hasStacks) { - return; - } - - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && - meta.stack !== undefined) { - hasStacks = true; - } - }); - } - - if (opts.stacked || hasStacks) { - var valuesPerStack = {}; - - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - var key = [ - meta.type, - // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined - ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), - meta.stack - ].join('.'); - - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - if (valuesPerStack[key] === undefined) { - valuesPerStack[key] = []; - } - - helpers$1.each(dataset.data, function(rawValue, index) { - var values = valuesPerStack[key]; - var value = +me.getRightValue(rawValue); - // invalid, hidden and negative values are ignored - if (isNaN(value) || meta.data[index].hidden || value < 0) { - return; - } - values[index] = values[index] || 0; - values[index] += value; - }); - } - }); - - helpers$1.each(valuesPerStack, function(valuesForType) { - if (valuesForType.length > 0) { - var minVal = helpers$1.min(valuesForType); - var maxVal = helpers$1.max(valuesForType); - me.min = me.min === null ? minVal : Math.min(me.min, minVal); - me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); - } - }); - - } else { - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - // invalid, hidden and negative values are ignored - if (isNaN(value) || meta.data[index].hidden || value < 0) { - return; - } - - if (me.min === null) { - me.min = value; - } else if (value < me.min) { - me.min = value; - } - - if (me.max === null) { - me.max = value; - } else if (value > me.max) { - me.max = value; - } - - if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) { - me.minNotZero = value; - } - }); - } - }); - } - - // Common base implementation to handle ticks.min, ticks.max - this.handleTickRangeOptions(); - }, - - handleTickRangeOptions: function() { - var me = this; - var tickOpts = me.options.ticks; - var DEFAULT_MIN = 1; - var DEFAULT_MAX = 10; - - me.min = nonNegativeOrDefault(tickOpts.min, me.min); - me.max = nonNegativeOrDefault(tickOpts.max, me.max); - - if (me.min === me.max) { - if (me.min !== 0 && me.min !== null) { - me.min = Math.pow(10, Math.floor(helpers$1.log10(me.min)) - 1); - me.max = Math.pow(10, Math.floor(helpers$1.log10(me.max)) + 1); - } else { - me.min = DEFAULT_MIN; - me.max = DEFAULT_MAX; - } - } - if (me.min === null) { - me.min = Math.pow(10, Math.floor(helpers$1.log10(me.max)) - 1); - } - if (me.max === null) { - me.max = me.min !== 0 - ? Math.pow(10, Math.floor(helpers$1.log10(me.min)) + 1) - : DEFAULT_MAX; - } - if (me.minNotZero === null) { - if (me.min > 0) { - me.minNotZero = me.min; - } else if (me.max < 1) { - me.minNotZero = Math.pow(10, Math.floor(helpers$1.log10(me.max))); - } else { - me.minNotZero = DEFAULT_MIN; - } - } - }, - - buildTicks: function() { - var me = this; - var tickOpts = me.options.ticks; - var reverse = !me.isHorizontal(); - - var generationOptions = { - min: nonNegativeOrDefault(tickOpts.min), - max: nonNegativeOrDefault(tickOpts.max) - }; - var ticks = me.ticks = generateTicks$1(generationOptions, me); - - // At this point, we need to update our max and min given the tick values since we have expanded the - // range of the scale - me.max = helpers$1.max(ticks); - me.min = helpers$1.min(ticks); - - if (tickOpts.reverse) { - reverse = !reverse; - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - if (reverse) { - ticks.reverse(); - } - }, - - convertTicksToLabels: function() { - this.tickValues = this.ticks.slice(); - - core_scale.prototype.convertTicksToLabels.call(this); - }, - - // Get the correct tooltip label - getLabelForIndex: function(index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - getPixelForTick: function(index) { - return this.getPixelForValue(this.tickValues[index]); - }, - - /** - * Returns the value of the first tick. - * @param {number} value - The minimum not zero value. - * @return {number} The first tick value. - * @private - */ - _getFirstTickValue: function(value) { - var exp = Math.floor(helpers$1.log10(value)); - var significand = Math.floor(value / Math.pow(10, exp)); - - return significand * Math.pow(10, exp); - }, - - getPixelForValue: function(value) { - var me = this; - var tickOpts = me.options.ticks; - var reverse = tickOpts.reverse; - var log10 = helpers$1.log10; - var firstTickValue = me._getFirstTickValue(me.minNotZero); - var offset = 0; - var innerDimension, pixel, start, end, sign; - - value = +me.getRightValue(value); - if (reverse) { - start = me.end; - end = me.start; - sign = -1; - } else { - start = me.start; - end = me.end; - sign = 1; - } - if (me.isHorizontal()) { - innerDimension = me.width; - pixel = reverse ? me.right : me.left; - } else { - innerDimension = me.height; - sign *= -1; // invert, since the upper-left corner of the canvas is at pixel (0, 0) - pixel = reverse ? me.top : me.bottom; - } - if (value !== start) { - if (start === 0) { // include zero tick - offset = valueOrDefault$a(tickOpts.fontSize, core_defaults.global.defaultFontSize); - innerDimension -= offset; - start = firstTickValue; - } - if (value !== 0) { - offset += innerDimension / (log10(end) - log10(start)) * (log10(value) - log10(start)); - } - pixel += sign * offset; - } - return pixel; - }, - - getValueForPixel: function(pixel) { - var me = this; - var tickOpts = me.options.ticks; - var reverse = tickOpts.reverse; - var log10 = helpers$1.log10; - var firstTickValue = me._getFirstTickValue(me.minNotZero); - var innerDimension, start, end, value; - - if (reverse) { - start = me.end; - end = me.start; - } else { - start = me.start; - end = me.end; - } - if (me.isHorizontal()) { - innerDimension = me.width; - value = reverse ? me.right - pixel : pixel - me.left; - } else { - innerDimension = me.height; - value = reverse ? pixel - me.top : me.bottom - pixel; - } - if (value !== start) { - if (start === 0) { // include zero tick - var offset = valueOrDefault$a(tickOpts.fontSize, core_defaults.global.defaultFontSize); - value -= offset; - innerDimension -= offset; - start = firstTickValue; - } - value *= log10(end) - log10(start); - value /= innerDimension; - value = Math.pow(10, log10(start) + value); - } - return value; - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$2 = defaultConfig$2; -scale_logarithmic._defaults = _defaults$2; - -var valueOrDefault$b = helpers$1.valueOrDefault; -var valueAtIndexOrDefault$1 = helpers$1.valueAtIndexOrDefault; -var resolve$7 = helpers$1.options.resolve; - -var defaultConfig$3 = { - display: true, - - // Boolean - Whether to animate scaling the chart from the centre - animate: true, - position: 'chartArea', - - angleLines: { - display: true, - color: 'rgba(0, 0, 0, 0.1)', - lineWidth: 1, - borderDash: [], - borderDashOffset: 0.0 - }, - - gridLines: { - circular: false - }, - - // label settings - ticks: { - // Boolean - Show a backdrop to the scale label - showLabelBackdrop: true, - - // String - The colour of the label backdrop - backdropColor: 'rgba(255,255,255,0.75)', - - // Number - The backdrop padding above & below the label in pixels - backdropPaddingY: 2, - - // Number - The backdrop padding to the side of the label in pixels - backdropPaddingX: 2, - - callback: core_ticks.formatters.linear - }, - - pointLabels: { - // Boolean - if true, show point labels - display: true, - - // Number - Point label font size in pixels - fontSize: 10, - - // Function - Used to convert point labels - callback: function(label) { - return label; - } - } -}; - -function getValueCount(scale) { - var opts = scale.options; - return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0; -} - -function getTickBackdropHeight(opts) { - var tickOpts = opts.ticks; - - if (tickOpts.display && opts.display) { - return valueOrDefault$b(tickOpts.fontSize, core_defaults.global.defaultFontSize) + tickOpts.backdropPaddingY * 2; - } - return 0; -} - -function measureLabelSize(ctx, lineHeight, label) { - if (helpers$1.isArray(label)) { - return { - w: helpers$1.longestText(ctx, ctx.font, label), - h: label.length * lineHeight - }; - } - - return { - w: ctx.measureText(label).width, - h: lineHeight - }; -} - -function determineLimits(angle, pos, size, min, max) { - if (angle === min || angle === max) { - return { - start: pos - (size / 2), - end: pos + (size / 2) - }; - } else if (angle < min || angle > max) { - return { - start: pos - size, - end: pos - }; - } - - return { - start: pos, - end: pos + size - }; -} - -/** - * Helper function to fit a radial linear scale with point labels - */ -function fitWithPointLabels(scale) { - - // Right, this is really confusing and there is a lot of maths going on here - // The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9 - // - // Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif - // - // Solution: - // - // We assume the radius of the polygon is half the size of the canvas at first - // at each index we check if the text overlaps. - // - // Where it does, we store that angle and that index. - // - // After finding the largest index and angle we calculate how much we need to remove - // from the shape radius to move the point inwards by that x. - // - // We average the left and right distances to get the maximum shape radius that can fit in the box - // along with labels. - // - // Once we have that, we can find the centre point for the chart, by taking the x text protrusion - // on each side, removing that from the size, halving it and adding the left x protrusion width. - // - // This will mean we have a shape fitted to the canvas, as large as it can be with the labels - // and position it in the most space efficient manner - // - // https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif - - var plFont = helpers$1.options._parseFont(scale.options.pointLabels); - - // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width. - // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points - var furthestLimits = { - l: 0, - r: scale.width, - t: 0, - b: scale.height - scale.paddingTop - }; - var furthestAngles = {}; - var i, textSize, pointPosition; - - scale.ctx.font = plFont.string; - scale._pointLabelSizes = []; - - var valueCount = getValueCount(scale); - for (i = 0; i < valueCount; i++) { - pointPosition = scale.getPointPosition(i, scale.drawingArea + 5); - textSize = measureLabelSize(scale.ctx, plFont.lineHeight, scale.pointLabels[i] || ''); - scale._pointLabelSizes[i] = textSize; - - // Add quarter circle to make degree 0 mean top of circle - var angleRadians = scale.getIndexAngle(i); - var angle = helpers$1.toDegrees(angleRadians) % 360; - var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); - var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); - - if (hLimits.start < furthestLimits.l) { - furthestLimits.l = hLimits.start; - furthestAngles.l = angleRadians; - } - - if (hLimits.end > furthestLimits.r) { - furthestLimits.r = hLimits.end; - furthestAngles.r = angleRadians; - } - - if (vLimits.start < furthestLimits.t) { - furthestLimits.t = vLimits.start; - furthestAngles.t = angleRadians; - } - - if (vLimits.end > furthestLimits.b) { - furthestLimits.b = vLimits.end; - furthestAngles.b = angleRadians; - } - } - - scale.setReductions(scale.drawingArea, furthestLimits, furthestAngles); -} - -function getTextAlignForAngle(angle) { - if (angle === 0 || angle === 180) { - return 'center'; - } else if (angle < 180) { - return 'left'; - } - - return 'right'; -} - -function fillText(ctx, text, position, lineHeight) { - var y = position.y + lineHeight / 2; - var i, ilen; - - if (helpers$1.isArray(text)) { - for (i = 0, ilen = text.length; i < ilen; ++i) { - ctx.fillText(text[i], position.x, y); - y += lineHeight; - } - } else { - ctx.fillText(text, position.x, y); - } -} - -function adjustPointPositionForLabelHeight(angle, textSize, position) { - if (angle === 90 || angle === 270) { - position.y -= (textSize.h / 2); - } else if (angle > 270 || angle < 90) { - position.y -= textSize.h; - } -} - -function drawPointLabels(scale) { - var ctx = scale.ctx; - var opts = scale.options; - var angleLineOpts = opts.angleLines; - var gridLineOpts = opts.gridLines; - var pointLabelOpts = opts.pointLabels; - var lineWidth = valueOrDefault$b(angleLineOpts.lineWidth, gridLineOpts.lineWidth); - var lineColor = valueOrDefault$b(angleLineOpts.color, gridLineOpts.color); - var tickBackdropHeight = getTickBackdropHeight(opts); - - ctx.save(); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = lineColor; - if (ctx.setLineDash) { - ctx.setLineDash(resolve$7([angleLineOpts.borderDash, gridLineOpts.borderDash, []])); - ctx.lineDashOffset = resolve$7([angleLineOpts.borderDashOffset, gridLineOpts.borderDashOffset, 0.0]); - } - - var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max); - - // Point Label Font - var plFont = helpers$1.options._parseFont(pointLabelOpts); - - ctx.font = plFont.string; - ctx.textBaseline = 'middle'; - - for (var i = getValueCount(scale) - 1; i >= 0; i--) { - if (angleLineOpts.display && lineWidth && lineColor) { - var outerPosition = scale.getPointPosition(i, outerDistance); - ctx.beginPath(); - ctx.moveTo(scale.xCenter, scale.yCenter); - ctx.lineTo(outerPosition.x, outerPosition.y); - ctx.stroke(); - } - - if (pointLabelOpts.display) { - // Extra pixels out for some label spacing - var extra = (i === 0 ? tickBackdropHeight / 2 : 0); - var pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + 5); - - // Keep this in loop since we may support array properties here - var pointLabelFontColor = valueAtIndexOrDefault$1(pointLabelOpts.fontColor, i, core_defaults.global.defaultFontColor); - ctx.fillStyle = pointLabelFontColor; - - var angleRadians = scale.getIndexAngle(i); - var angle = helpers$1.toDegrees(angleRadians); - ctx.textAlign = getTextAlignForAngle(angle); - adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition); - fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.lineHeight); - } - } - ctx.restore(); -} - -function drawRadiusLine(scale, gridLineOpts, radius, index) { - var ctx = scale.ctx; - var circular = gridLineOpts.circular; - var valueCount = getValueCount(scale); - var lineColor = valueAtIndexOrDefault$1(gridLineOpts.color, index - 1); - var lineWidth = valueAtIndexOrDefault$1(gridLineOpts.lineWidth, index - 1); - var pointPosition; - - if ((!circular && !valueCount) || !lineColor || !lineWidth) { - return; - } - - ctx.save(); - ctx.strokeStyle = lineColor; - ctx.lineWidth = lineWidth; - if (ctx.setLineDash) { - ctx.setLineDash(gridLineOpts.borderDash || []); - ctx.lineDashOffset = gridLineOpts.borderDashOffset || 0.0; - } - - ctx.beginPath(); - if (circular) { - // Draw circular arcs between the points - ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2); - } else { - // Draw straight lines connecting each index - pointPosition = scale.getPointPosition(0, radius); - ctx.moveTo(pointPosition.x, pointPosition.y); - - for (var i = 1; i < valueCount; i++) { - pointPosition = scale.getPointPosition(i, radius); - ctx.lineTo(pointPosition.x, pointPosition.y); - } - } - ctx.closePath(); - ctx.stroke(); - ctx.restore(); -} - -function numberOrZero(param) { - return helpers$1.isNumber(param) ? param : 0; -} - -var scale_radialLinear = scale_linearbase.extend({ - setDimensions: function() { - var me = this; - - // Set the unconstrained dimension before label rotation - me.width = me.maxWidth; - me.height = me.maxHeight; - me.paddingTop = getTickBackdropHeight(me.options) / 2; - me.xCenter = Math.floor(me.width / 2); - me.yCenter = Math.floor((me.height - me.paddingTop) / 2); - me.drawingArea = Math.min(me.height - me.paddingTop, me.width) / 2; - }, - - determineDataLimits: function() { - var me = this; - var chart = me.chart; - var min = Number.POSITIVE_INFINITY; - var max = Number.NEGATIVE_INFINITY; - - helpers$1.each(chart.data.datasets, function(dataset, datasetIndex) { - if (chart.isDatasetVisible(datasetIndex)) { - var meta = chart.getDatasetMeta(datasetIndex); - - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - min = Math.min(value, min); - max = Math.max(value, max); - }); - } - }); - - me.min = (min === Number.POSITIVE_INFINITY ? 0 : min); - me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max); - - // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero - me.handleTickRangeOptions(); - }, - - // Returns the maximum number of ticks based on the scale dimension - _computeTickLimit: function() { - return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); - }, - - convertTicksToLabels: function() { - var me = this; - - scale_linearbase.prototype.convertTicksToLabels.call(me); - - // Point labels - me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me); - }, - - getLabelForIndex: function(index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - fit: function() { - var me = this; - var opts = me.options; - - if (opts.display && opts.pointLabels.display) { - fitWithPointLabels(me); - } else { - me.setCenterPoint(0, 0, 0, 0); - } - }, - - /** - * Set radius reductions and determine new radius and center point - * @private - */ - setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) { - var me = this; - var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l); - var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r); - var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t); - var radiusReductionBottom = -Math.max(furthestLimits.b - (me.height - me.paddingTop), 0) / Math.cos(furthestAngles.b); - - radiusReductionLeft = numberOrZero(radiusReductionLeft); - radiusReductionRight = numberOrZero(radiusReductionRight); - radiusReductionTop = numberOrZero(radiusReductionTop); - radiusReductionBottom = numberOrZero(radiusReductionBottom); - - me.drawingArea = Math.min( - Math.floor(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2), - Math.floor(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2)); - me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom); - }, - - setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) { - var me = this; - var maxRight = me.width - rightMovement - me.drawingArea; - var maxLeft = leftMovement + me.drawingArea; - var maxTop = topMovement + me.drawingArea; - var maxBottom = (me.height - me.paddingTop) - bottomMovement - me.drawingArea; - - me.xCenter = Math.floor(((maxLeft + maxRight) / 2) + me.left); - me.yCenter = Math.floor(((maxTop + maxBottom) / 2) + me.top + me.paddingTop); - }, - - getIndexAngle: function(index) { - var angleMultiplier = (Math.PI * 2) / getValueCount(this); - var startAngle = this.chart.options && this.chart.options.startAngle ? - this.chart.options.startAngle : - 0; - - var startAngleRadians = startAngle * Math.PI * 2 / 360; - - // Start from the top instead of right, so remove a quarter of the circle - return index * angleMultiplier + startAngleRadians; - }, - - getDistanceFromCenterForValue: function(value) { - var me = this; - - if (value === null) { - return 0; // null always in center - } - - // Take into account half font size + the yPadding of the top value - var scalingFactor = me.drawingArea / (me.max - me.min); - if (me.options.ticks.reverse) { - return (me.max - value) * scalingFactor; - } - return (value - me.min) * scalingFactor; - }, - - getPointPosition: function(index, distanceFromCenter) { - var me = this; - var thisAngle = me.getIndexAngle(index) - (Math.PI / 2); - return { - x: Math.cos(thisAngle) * distanceFromCenter + me.xCenter, - y: Math.sin(thisAngle) * distanceFromCenter + me.yCenter - }; - }, - - getPointPositionForValue: function(index, value) { - return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); - }, - - getBasePosition: function() { - var me = this; - var min = me.min; - var max = me.max; - - return me.getPointPositionForValue(0, - me.beginAtZero ? 0 : - min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0); - }, - - draw: function() { - var me = this; - var opts = me.options; - var gridLineOpts = opts.gridLines; - var tickOpts = opts.ticks; - - if (opts.display) { - var ctx = me.ctx; - var startAngle = this.getIndexAngle(0); - var tickFont = helpers$1.options._parseFont(tickOpts); - - if (opts.angleLines.display || opts.pointLabels.display) { - drawPointLabels(me); - } - - helpers$1.each(me.ticks, function(label, index) { - // Don't draw a centre value (if it is minimum) - if (index > 0 || tickOpts.reverse) { - var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]); - - // Draw circular lines around the scale - if (gridLineOpts.display && index !== 0) { - drawRadiusLine(me, gridLineOpts, yCenterOffset, index); - } - - if (tickOpts.display) { - var tickFontColor = valueOrDefault$b(tickOpts.fontColor, core_defaults.global.defaultFontColor); - ctx.font = tickFont.string; - - ctx.save(); - ctx.translate(me.xCenter, me.yCenter); - ctx.rotate(startAngle); - - if (tickOpts.showLabelBackdrop) { - var labelWidth = ctx.measureText(label).width; - ctx.fillStyle = tickOpts.backdropColor; - ctx.fillRect( - -labelWidth / 2 - tickOpts.backdropPaddingX, - -yCenterOffset - tickFont.size / 2 - tickOpts.backdropPaddingY, - labelWidth + tickOpts.backdropPaddingX * 2, - tickFont.size + tickOpts.backdropPaddingY * 2 - ); - } - - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = tickFontColor; - ctx.fillText(label, 0, -yCenterOffset); - ctx.restore(); - } - } - }); - } - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$3 = defaultConfig$3; -scale_radialLinear._defaults = _defaults$3; - -var valueOrDefault$c = helpers$1.valueOrDefault; - -// Integer constants are from the ES6 spec. -var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991; -var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991; - -var INTERVALS = { - millisecond: { - common: true, - size: 1, - steps: [1, 2, 5, 10, 20, 50, 100, 250, 500] - }, - second: { - common: true, - size: 1000, - steps: [1, 2, 5, 10, 15, 30] - }, - minute: { - common: true, - size: 60000, - steps: [1, 2, 5, 10, 15, 30] - }, - hour: { - common: true, - size: 3600000, - steps: [1, 2, 3, 6, 12] - }, - day: { - common: true, - size: 86400000, - steps: [1, 2, 5] - }, - week: { - common: false, - size: 604800000, - steps: [1, 2, 3, 4] - }, - month: { - common: true, - size: 2.628e9, - steps: [1, 2, 3] - }, - quarter: { - common: false, - size: 7.884e9, - steps: [1, 2, 3, 4] - }, - year: { - common: true, - size: 3.154e10 - } -}; - -var UNITS = Object.keys(INTERVALS); - -function sorter(a, b) { - return a - b; -} - -function arrayUnique(items) { - var hash = {}; - var out = []; - var i, ilen, item; - - for (i = 0, ilen = items.length; i < ilen; ++i) { - item = items[i]; - if (!hash[item]) { - hash[item] = true; - out.push(item); - } - } - - return out; -} - -/** - * Returns an array of {time, pos} objects used to interpolate a specific `time` or position - * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is - * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other - * extremity (left + width or top + height). Note that it would be more optimized to directly - * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need - * to create the lookup table. The table ALWAYS contains at least two items: min and max. - * - * @param {number[]} timestamps - timestamps sorted from lowest to highest. - * @param {string} distribution - If 'linear', timestamps will be spread linearly along the min - * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}. - * If 'series', timestamps will be positioned at the same distance from each other. In this - * case, only timestamps that break the time linearity are registered, meaning that in the - * best case, all timestamps are linear, the table contains only min and max. - */ -function buildLookupTable(timestamps, min, max, distribution) { - if (distribution === 'linear' || !timestamps.length) { - return [ - {time: min, pos: 0}, - {time: max, pos: 1} - ]; - } - - var table = []; - var items = [min]; - var i, ilen, prev, curr, next; - - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - curr = timestamps[i]; - if (curr > min && curr < max) { - items.push(curr); - } - } - - items.push(max); - - for (i = 0, ilen = items.length; i < ilen; ++i) { - next = items[i + 1]; - prev = items[i - 1]; - curr = items[i]; - - // only add points that breaks the scale linearity - if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) { - table.push({time: curr, pos: i / (ilen - 1)}); - } - } - - return table; -} - -// @see adapted from https://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/ -function lookup(table, key, value) { - var lo = 0; - var hi = table.length - 1; - var mid, i0, i1; - - while (lo >= 0 && lo <= hi) { - mid = (lo + hi) >> 1; - i0 = table[mid - 1] || null; - i1 = table[mid]; - - if (!i0) { - // given value is outside table (before first item) - return {lo: null, hi: i1}; - } else if (i1[key] < value) { - lo = mid + 1; - } else if (i0[key] > value) { - hi = mid - 1; - } else { - return {lo: i0, hi: i1}; - } - } - - // given value is outside table (after last item) - return {lo: i1, hi: null}; -} - -/** - * Linearly interpolates the given source `value` using the table items `skey` values and - * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos') - * returns the position for a timestamp equal to 42. If value is out of bounds, values at - * index [0, 1] or [n - 1, n] are used for the interpolation. - */ -function interpolate$1(table, skey, sval, tkey) { - var range = lookup(table, skey, sval); - - // Note: the lookup table ALWAYS contains at least 2 items (min and max) - var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo; - var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi; - - var span = next[skey] - prev[skey]; - var ratio = span ? (sval - prev[skey]) / span : 0; - var offset = (next[tkey] - prev[tkey]) * ratio; - - return prev[tkey] + offset; -} - -function toTimestamp(scale, input) { - var adapter = scale._adapter; - var options = scale.options.time; - var parser = options.parser; - var format = parser || options.format; - var value = input; - - if (typeof parser === 'function') { - value = parser(value); - } - - // Only parse if its not a timestamp already - if (!helpers$1.isFinite(value)) { - value = typeof format === 'string' - ? adapter.parse(value, format) - : adapter.parse(value); - } - - if (value !== null) { - return +value; - } - - // Labels are in an incompatible format and no `parser` has been provided. - // The user might still use the deprecated `format` option for parsing. - if (!parser && typeof format === 'function') { - value = format(input); - - // `format` could return something else than a timestamp, if so, parse it - if (!helpers$1.isFinite(value)) { - value = adapter.parse(value); - } - } - - return value; -} - -function parse(scale, input) { - if (helpers$1.isNullOrUndef(input)) { - return null; - } - - var options = scale.options.time; - var value = toTimestamp(scale, scale.getRightValue(input)); - if (value === null) { - return value; - } - - if (options.round) { - value = +scale._adapter.startOf(value, options.round); - } - - return value; -} - -/** - * Returns the number of unit to skip to be able to display up to `capacity` number of ticks - * in `unit` for the given `min` / `max` range and respecting the interval steps constraints. - */ -function determineStepSize(min, max, unit, capacity) { - var range = max - min; - var interval = INTERVALS[unit]; - var milliseconds = interval.size; - var steps = interval.steps; - var i, ilen, factor; - - if (!steps) { - return Math.ceil(range / (capacity * milliseconds)); - } - - for (i = 0, ilen = steps.length; i < ilen; ++i) { - factor = steps[i]; - if (Math.ceil(range / (milliseconds * factor)) <= capacity) { - break; - } - } - - return factor; -} - -/** - * Figures out what unit results in an appropriate number of auto-generated ticks - */ -function determineUnitForAutoTicks(minUnit, min, max, capacity) { - var ilen = UNITS.length; - var i, interval, factor; - - for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { - interval = INTERVALS[UNITS[i]]; - factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER; - - if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { - return UNITS[i]; - } - } - - return UNITS[ilen - 1]; -} - -/** - * Figures out what unit to format a set of ticks with - */ -function determineUnitForFormatting(scale, ticks, minUnit, min, max) { - var ilen = UNITS.length; - var i, unit; - - for (i = ilen - 1; i >= UNITS.indexOf(minUnit); i--) { - unit = UNITS[i]; - if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= ticks.length) { - return unit; - } - } - - return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; -} - -function determineMajorUnit(unit) { - for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { - if (INTERVALS[UNITS[i]].common) { - return UNITS[i]; - } - } -} - -/** - * Generates a maximum of `capacity` timestamps between min and max, rounded to the - * `minor` unit, aligned on the `major` unit and using the given scale time `options`. - * Important: this method can return ticks outside the min and max range, it's the - * responsibility of the calling code to clamp values if needed. - */ -function generate(scale, min, max, capacity) { - var adapter = scale._adapter; - var options = scale.options; - var timeOpts = options.time; - var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity); - var major = determineMajorUnit(minor); - var stepSize = valueOrDefault$c(timeOpts.stepSize, timeOpts.unitStepSize); - var weekday = minor === 'week' ? timeOpts.isoWeekday : false; - var majorTicksEnabled = options.ticks.major.enabled; - var interval = INTERVALS[minor]; - var first = min; - var last = max; - var ticks = []; - var time; - - if (!stepSize) { - stepSize = determineStepSize(min, max, minor, capacity); - } - - // For 'week' unit, handle the first day of week option - if (weekday) { - first = +adapter.startOf(first, 'isoWeek', weekday); - last = +adapter.startOf(last, 'isoWeek', weekday); - } - - // Align first/last ticks on unit - first = +adapter.startOf(first, weekday ? 'day' : minor); - last = +adapter.startOf(last, weekday ? 'day' : minor); - - // Make sure that the last tick include max - if (last < max) { - last = +adapter.add(last, 1, minor); - } - - time = first; - - if (majorTicksEnabled && major && !weekday && !timeOpts.round) { - // Align the first tick on the previous `minor` unit aligned on the `major` unit: - // we first aligned time on the previous `major` unit then add the number of full - // stepSize there is between first and the previous major time. - time = +adapter.startOf(time, major); - time = +adapter.add(time, ~~((first - time) / (interval.size * stepSize)) * stepSize, minor); - } - - for (; time < last; time = +adapter.add(time, stepSize, minor)) { - ticks.push(+time); - } - - ticks.push(+time); - - return ticks; -} - -/** - * Returns the start and end offsets from edges in the form of {start, end} - * where each value is a relative width to the scale and ranges between 0 and 1. - * They add extra margins on the both sides by scaling down the original scale. - * Offsets are added when the `offset` option is true. - */ -function computeOffsets(table, ticks, min, max, options) { - var start = 0; - var end = 0; - var first, last; - - if (options.offset && ticks.length) { - if (!options.time.min) { - first = interpolate$1(table, 'time', ticks[0], 'pos'); - if (ticks.length === 1) { - start = 1 - first; - } else { - start = (interpolate$1(table, 'time', ticks[1], 'pos') - first) / 2; - } - } - if (!options.time.max) { - last = interpolate$1(table, 'time', ticks[ticks.length - 1], 'pos'); - if (ticks.length === 1) { - end = last; - } else { - end = (last - interpolate$1(table, 'time', ticks[ticks.length - 2], 'pos')) / 2; - } - } - } - - return {start: start, end: end}; -} - -function ticksFromTimestamps(scale, values, majorUnit) { - var ticks = []; - var i, ilen, value, major; - - for (i = 0, ilen = values.length; i < ilen; ++i) { - value = values[i]; - major = majorUnit ? value === +scale._adapter.startOf(value, majorUnit) : false; - - ticks.push({ - value: value, - major: major - }); - } - - return ticks; -} - -var defaultConfig$4 = { - position: 'bottom', - - /** - * Data distribution along the scale: - * - 'linear': data are spread according to their time (distances can vary), - * - 'series': data are spread at the same distance from each other. - * @see https://github.com/chartjs/Chart.js/pull/4507 - * @since 2.7.0 - */ - distribution: 'linear', - - /** - * Scale boundary strategy (bypassed by min/max time options) - * - `data`: make sure data are fully visible, ticks outside are removed - * - `ticks`: make sure ticks are fully visible, data outside are truncated - * @see https://github.com/chartjs/Chart.js/pull/4556 - * @since 2.7.0 - */ - bounds: 'data', - - adapters: {}, - time: { - parser: false, // false == a pattern string from https://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment - format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from https://momentjs.com/docs/#/parsing/string-format/ - unit: false, // false == automatic or override with week, month, year, etc. - round: false, // none, or override with week, month, year, etc. - displayFormat: false, // DEPRECATED - isoWeekday: false, // override week start day - see https://momentjs.com/docs/#/get-set/iso-weekday/ - minUnit: 'millisecond', - displayFormats: {} - }, - ticks: { - autoSkip: false, - - /** - * Ticks generation input values: - * - 'auto': generates "optimal" ticks based on scale size and time options. - * - 'data': generates ticks from data (including labels from data {t|x|y} objects). - * - 'labels': generates ticks from user given `data.labels` values ONLY. - * @see https://github.com/chartjs/Chart.js/pull/4507 - * @since 2.7.0 - */ - source: 'auto', - - major: { - enabled: false - } - } -}; - -var scale_time = core_scale.extend({ - initialize: function() { - this.mergeTicksOptions(); - core_scale.prototype.initialize.call(this); - }, - - update: function() { - var me = this; - var options = me.options; - var time = options.time || (options.time = {}); - var adapter = me._adapter = new core_adapters._date(options.adapters.date); - - // DEPRECATIONS: output a message only one time per update - if (time.format) { - console.warn('options.time.format is deprecated and replaced by options.time.parser.'); - } - - // Backward compatibility: before introducing adapter, `displayFormats` was - // supposed to contain *all* unit/string pairs but this can't be resolved - // when loading the scale (adapters are loaded afterward), so let's populate - // missing formats on update - helpers$1.mergeIf(time.displayFormats, adapter.formats()); - - return core_scale.prototype.update.apply(me, arguments); - }, - - /** - * Allows data to be referenced via 't' attribute - */ - getRightValue: function(rawValue) { - if (rawValue && rawValue.t !== undefined) { - rawValue = rawValue.t; - } - return core_scale.prototype.getRightValue.call(this, rawValue); - }, - - determineDataLimits: function() { - var me = this; - var chart = me.chart; - var adapter = me._adapter; - var timeOpts = me.options.time; - var unit = timeOpts.unit || 'day'; - var min = MAX_INTEGER; - var max = MIN_INTEGER; - var timestamps = []; - var datasets = []; - var labels = []; - var i, j, ilen, jlen, data, timestamp; - var dataLabels = chart.data.labels || []; - - // Convert labels to timestamps - for (i = 0, ilen = dataLabels.length; i < ilen; ++i) { - labels.push(parse(me, dataLabels[i])); - } - - // Convert data to timestamps - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - data = chart.data.datasets[i].data; - - // Let's consider that all data have the same format. - if (helpers$1.isObject(data[0])) { - datasets[i] = []; - - for (j = 0, jlen = data.length; j < jlen; ++j) { - timestamp = parse(me, data[j]); - timestamps.push(timestamp); - datasets[i][j] = timestamp; - } - } else { - for (j = 0, jlen = labels.length; j < jlen; ++j) { - timestamps.push(labels[j]); - } - datasets[i] = labels.slice(0); - } - } else { - datasets[i] = []; - } - } - - if (labels.length) { - // Sort labels **after** data have been converted - labels = arrayUnique(labels).sort(sorter); - min = Math.min(min, labels[0]); - max = Math.max(max, labels[labels.length - 1]); - } - - if (timestamps.length) { - timestamps = arrayUnique(timestamps).sort(sorter); - min = Math.min(min, timestamps[0]); - max = Math.max(max, timestamps[timestamps.length - 1]); - } - - min = parse(me, timeOpts.min) || min; - max = parse(me, timeOpts.max) || max; - - // In case there is no valid min/max, set limits based on unit time option - min = min === MAX_INTEGER ? +adapter.startOf(Date.now(), unit) : min; - max = max === MIN_INTEGER ? +adapter.endOf(Date.now(), unit) + 1 : max; - - // Make sure that max is strictly higher than min (required by the lookup table) - me.min = Math.min(min, max); - me.max = Math.max(min + 1, max); - - // PRIVATE - me._horizontal = me.isHorizontal(); - me._table = []; - me._timestamps = { - data: timestamps, - datasets: datasets, - labels: labels - }; - }, - - buildTicks: function() { - var me = this; - var min = me.min; - var max = me.max; - var options = me.options; - var timeOpts = options.time; - var timestamps = []; - var ticks = []; - var i, ilen, timestamp; - - switch (options.ticks.source) { - case 'data': - timestamps = me._timestamps.data; - break; - case 'labels': - timestamps = me._timestamps.labels; - break; - case 'auto': - default: - timestamps = generate(me, min, max, me.getLabelCapacity(min), options); - } - - if (options.bounds === 'ticks' && timestamps.length) { - min = timestamps[0]; - max = timestamps[timestamps.length - 1]; - } - - // Enforce limits with user min/max options - min = parse(me, timeOpts.min) || min; - max = parse(me, timeOpts.max) || max; - - // Remove ticks outside the min/max range - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - timestamp = timestamps[i]; - if (timestamp >= min && timestamp <= max) { - ticks.push(timestamp); - } - } - - me.min = min; - me.max = max; - - // PRIVATE - me._unit = timeOpts.unit || determineUnitForFormatting(me, ticks, timeOpts.minUnit, me.min, me.max); - me._majorUnit = determineMajorUnit(me._unit); - me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution); - me._offsets = computeOffsets(me._table, ticks, min, max, options); - - if (options.ticks.reverse) { - ticks.reverse(); - } - - return ticksFromTimestamps(me, ticks, me._majorUnit); - }, - - getLabelForIndex: function(index, datasetIndex) { - var me = this; - var adapter = me._adapter; - var data = me.chart.data; - var timeOpts = me.options.time; - var label = data.labels && index < data.labels.length ? data.labels[index] : ''; - var value = data.datasets[datasetIndex].data[index]; - - if (helpers$1.isObject(value)) { - label = me.getRightValue(value); - } - if (timeOpts.tooltipFormat) { - return adapter.format(toTimestamp(me, label), timeOpts.tooltipFormat); - } - if (typeof label === 'string') { - return label; - } - return adapter.format(toTimestamp(me, label), timeOpts.displayFormats.datetime); - }, - - /** - * Function to format an individual tick mark - * @private - */ - tickFormatFunction: function(time, index, ticks, format) { - var me = this; - var adapter = me._adapter; - var options = me.options; - var formats = options.time.displayFormats; - var minorFormat = formats[me._unit]; - var majorUnit = me._majorUnit; - var majorFormat = formats[majorUnit]; - var majorTime = +adapter.startOf(time, majorUnit); - var majorTickOpts = options.ticks.major; - var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime; - var label = adapter.format(time, format ? format : major ? majorFormat : minorFormat); - var tickOpts = major ? majorTickOpts : options.ticks.minor; - var formatter = valueOrDefault$c(tickOpts.callback, tickOpts.userCallback); - - return formatter ? formatter(label, index, ticks) : label; - }, - - convertTicksToLabels: function(ticks) { - var labels = []; - var i, ilen; - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - labels.push(this.tickFormatFunction(ticks[i].value, i, ticks)); - } - - return labels; - }, - - /** - * @private - */ - getPixelForOffset: function(time) { - var me = this; - var isReverse = me.options.ticks.reverse; - var size = me._horizontal ? me.width : me.height; - var start = me._horizontal ? isReverse ? me.right : me.left : isReverse ? me.bottom : me.top; - var pos = interpolate$1(me._table, 'time', time, 'pos'); - var offset = size * (me._offsets.start + pos) / (me._offsets.start + 1 + me._offsets.end); - - return isReverse ? start - offset : start + offset; - }, - - getPixelForValue: function(value, index, datasetIndex) { - var me = this; - var time = null; - - if (index !== undefined && datasetIndex !== undefined) { - time = me._timestamps.datasets[datasetIndex][index]; - } - - if (time === null) { - time = parse(me, value); - } - - if (time !== null) { - return me.getPixelForOffset(time); - } - }, - - getPixelForTick: function(index) { - var ticks = this.getTicks(); - return index >= 0 && index < ticks.length ? - this.getPixelForOffset(ticks[index].value) : - null; - }, - - getValueForPixel: function(pixel) { - var me = this; - var size = me._horizontal ? me.width : me.height; - var start = me._horizontal ? me.left : me.top; - var pos = (size ? (pixel - start) / size : 0) * (me._offsets.start + 1 + me._offsets.start) - me._offsets.end; - var time = interpolate$1(me._table, 'pos', pos, 'time'); - - // DEPRECATION, we should return time directly - return me._adapter._create(time); - }, - - /** - * Crude approximation of what the label width might be - * @private - */ - getLabelWidth: function(label) { - var me = this; - var ticksOpts = me.options.ticks; - var tickLabelWidth = me.ctx.measureText(label).width; - var angle = helpers$1.toRadians(ticksOpts.maxRotation); - var cosRotation = Math.cos(angle); - var sinRotation = Math.sin(angle); - var tickFontSize = valueOrDefault$c(ticksOpts.fontSize, core_defaults.global.defaultFontSize); - - return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation); - }, - - /** - * @private - */ - getLabelCapacity: function(exampleTime) { - var me = this; - - // pick the longest format (milliseconds) for guestimation - var format = me.options.time.displayFormats.millisecond; - var exampleLabel = me.tickFormatFunction(exampleTime, 0, [], format); - var tickLabelWidth = me.getLabelWidth(exampleLabel); - var innerWidth = me.isHorizontal() ? me.width : me.height; - var capacity = Math.floor(innerWidth / tickLabelWidth); - - return capacity > 0 ? capacity : 1; - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$4 = defaultConfig$4; -scale_time._defaults = _defaults$4; - -var scales = { - category: scale_category, - linear: scale_linear, - logarithmic: scale_logarithmic, - radialLinear: scale_radialLinear, - time: scale_time -}; - -var moment = createCommonjsModule(function (module, exports) { -(function (global, factory) { - module.exports = factory(); -}(commonjsGlobal, (function () { - var hookCallback; - - function hooks () { - return hookCallback.apply(null, arguments); - } - - // This is done to register the method called with moment() - // without creating circular dependencies. - function setHookCallback (callback) { - hookCallback = callback; - } - - function isArray(input) { - return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]'; - } - - function isObject(input) { - // IE8 will treat undefined and null as object if it wasn't for - // input != null - return input != null && Object.prototype.toString.call(input) === '[object Object]'; - } - - function isObjectEmpty(obj) { - if (Object.getOwnPropertyNames) { - return (Object.getOwnPropertyNames(obj).length === 0); - } else { - var k; - for (k in obj) { - if (obj.hasOwnProperty(k)) { - return false; - } - } - return true; - } - } - - function isUndefined(input) { - return input === void 0; - } - - function isNumber(input) { - return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]'; - } - - function isDate(input) { - return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]'; - } - - function map(arr, fn) { - var res = [], i; - for (i = 0; i < arr.length; ++i) { - res.push(fn(arr[i], i)); - } - return res; - } - - function hasOwnProp(a, b) { - return Object.prototype.hasOwnProperty.call(a, b); - } - - function extend(a, b) { - for (var i in b) { - if (hasOwnProp(b, i)) { - a[i] = b[i]; - } - } - - if (hasOwnProp(b, 'toString')) { - a.toString = b.toString; - } - - if (hasOwnProp(b, 'valueOf')) { - a.valueOf = b.valueOf; - } - - return a; - } - - function createUTC (input, format, locale, strict) { - return createLocalOrUTC(input, format, locale, strict, true).utc(); - } - - function defaultParsingFlags() { - // We need to deep clone this object. - return { - empty : false, - unusedTokens : [], - unusedInput : [], - overflow : -2, - charsLeftOver : 0, - nullInput : false, - invalidMonth : null, - invalidFormat : false, - userInvalidated : false, - iso : false, - parsedDateParts : [], - meridiem : null, - rfc2822 : false, - weekdayMismatch : false - }; - } - - function getParsingFlags(m) { - if (m._pf == null) { - m._pf = defaultParsingFlags(); - } - return m._pf; - } - - var some; - if (Array.prototype.some) { - some = Array.prototype.some; - } else { - some = function (fun) { - var t = Object(this); - var len = t.length >>> 0; - - for (var i = 0; i < len; i++) { - if (i in t && fun.call(this, t[i], i, t)) { - return true; - } - } - - return false; - }; - } - - function isValid(m) { - if (m._isValid == null) { - var flags = getParsingFlags(m); - var parsedParts = some.call(flags.parsedDateParts, function (i) { - return i != null; - }); - var isNowValid = !isNaN(m._d.getTime()) && - flags.overflow < 0 && - !flags.empty && - !flags.invalidMonth && - !flags.invalidWeekday && - !flags.weekdayMismatch && - !flags.nullInput && - !flags.invalidFormat && - !flags.userInvalidated && - (!flags.meridiem || (flags.meridiem && parsedParts)); - - if (m._strict) { - isNowValid = isNowValid && - flags.charsLeftOver === 0 && - flags.unusedTokens.length === 0 && - flags.bigHour === undefined; - } - - if (Object.isFrozen == null || !Object.isFrozen(m)) { - m._isValid = isNowValid; - } - else { - return isNowValid; - } - } - return m._isValid; - } - - function createInvalid (flags) { - var m = createUTC(NaN); - if (flags != null) { - extend(getParsingFlags(m), flags); - } - else { - getParsingFlags(m).userInvalidated = true; - } - - return m; - } - - // Plugins that add properties should also add the key here (null value), - // so we can properly clone ourselves. - var momentProperties = hooks.momentProperties = []; - - function copyConfig(to, from) { - var i, prop, val; - - if (!isUndefined(from._isAMomentObject)) { - to._isAMomentObject = from._isAMomentObject; - } - if (!isUndefined(from._i)) { - to._i = from._i; - } - if (!isUndefined(from._f)) { - to._f = from._f; - } - if (!isUndefined(from._l)) { - to._l = from._l; - } - if (!isUndefined(from._strict)) { - to._strict = from._strict; - } - if (!isUndefined(from._tzm)) { - to._tzm = from._tzm; - } - if (!isUndefined(from._isUTC)) { - to._isUTC = from._isUTC; - } - if (!isUndefined(from._offset)) { - to._offset = from._offset; - } - if (!isUndefined(from._pf)) { - to._pf = getParsingFlags(from); - } - if (!isUndefined(from._locale)) { - to._locale = from._locale; - } - - if (momentProperties.length > 0) { - for (i = 0; i < momentProperties.length; i++) { - prop = momentProperties[i]; - val = from[prop]; - if (!isUndefined(val)) { - to[prop] = val; - } - } - } - - return to; - } - - var updateInProgress = false; - - // Moment prototype object - function Moment(config) { - copyConfig(this, config); - this._d = new Date(config._d != null ? config._d.getTime() : NaN); - if (!this.isValid()) { - this._d = new Date(NaN); - } - // Prevent infinite loop in case updateOffset creates new moment - // objects. - if (updateInProgress === false) { - updateInProgress = true; - hooks.updateOffset(this); - updateInProgress = false; - } - } - - function isMoment (obj) { - return obj instanceof Moment || (obj != null && obj._isAMomentObject != null); - } - - function absFloor (number) { - if (number < 0) { - // -0 -> 0 - return Math.ceil(number) || 0; - } else { - return Math.floor(number); - } - } - - function toInt(argumentForCoercion) { - var coercedNumber = +argumentForCoercion, - value = 0; - - if (coercedNumber !== 0 && isFinite(coercedNumber)) { - value = absFloor(coercedNumber); - } - - return value; - } - - // compare two arrays, return the number of differences - function compareArrays(array1, array2, dontConvert) { - var len = Math.min(array1.length, array2.length), - lengthDiff = Math.abs(array1.length - array2.length), - diffs = 0, - i; - for (i = 0; i < len; i++) { - if ((dontConvert && array1[i] !== array2[i]) || - (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) { - diffs++; - } - } - return diffs + lengthDiff; - } - - function warn(msg) { - if (hooks.suppressDeprecationWarnings === false && - (typeof console !== 'undefined') && console.warn) { - console.warn('Deprecation warning: ' + msg); - } - } - - function deprecate(msg, fn) { - var firstTime = true; - - return extend(function () { - if (hooks.deprecationHandler != null) { - hooks.deprecationHandler(null, msg); - } - if (firstTime) { - var args = []; - var arg; - for (var i = 0; i < arguments.length; i++) { - arg = ''; - if (typeof arguments[i] === 'object') { - arg += '\n[' + i + '] '; - for (var key in arguments[0]) { - arg += key + ': ' + arguments[0][key] + ', '; - } - arg = arg.slice(0, -2); // Remove trailing comma and space - } else { - arg = arguments[i]; - } - args.push(arg); - } - warn(msg + '\nArguments: ' + Array.prototype.slice.call(args).join('') + '\n' + (new Error()).stack); - firstTime = false; - } - return fn.apply(this, arguments); - }, fn); - } - - var deprecations = {}; - - function deprecateSimple(name, msg) { - if (hooks.deprecationHandler != null) { - hooks.deprecationHandler(name, msg); - } - if (!deprecations[name]) { - warn(msg); - deprecations[name] = true; - } - } - - hooks.suppressDeprecationWarnings = false; - hooks.deprecationHandler = null; - - function isFunction(input) { - return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]'; - } - - function set (config) { - var prop, i; - for (i in config) { - prop = config[i]; - if (isFunction(prop)) { - this[i] = prop; - } else { - this['_' + i] = prop; - } - } - this._config = config; - // Lenient ordinal parsing accepts just a number in addition to - // number + (possibly) stuff coming from _dayOfMonthOrdinalParse. - // TODO: Remove "ordinalParse" fallback in next major release. - this._dayOfMonthOrdinalParseLenient = new RegExp( - (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) + - '|' + (/\d{1,2}/).source); - } - - function mergeConfigs(parentConfig, childConfig) { - var res = extend({}, parentConfig), prop; - for (prop in childConfig) { - if (hasOwnProp(childConfig, prop)) { - if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) { - res[prop] = {}; - extend(res[prop], parentConfig[prop]); - extend(res[prop], childConfig[prop]); - } else if (childConfig[prop] != null) { - res[prop] = childConfig[prop]; - } else { - delete res[prop]; - } - } - } - for (prop in parentConfig) { - if (hasOwnProp(parentConfig, prop) && - !hasOwnProp(childConfig, prop) && - isObject(parentConfig[prop])) { - // make sure changes to properties don't modify parent config - res[prop] = extend({}, res[prop]); - } - } - return res; - } - - function Locale(config) { - if (config != null) { - this.set(config); - } - } - - var keys; - - if (Object.keys) { - keys = Object.keys; - } else { - keys = function (obj) { - var i, res = []; - for (i in obj) { - if (hasOwnProp(obj, i)) { - res.push(i); - } - } - return res; - }; - } - - var defaultCalendar = { - sameDay : '[Today at] LT', - nextDay : '[Tomorrow at] LT', - nextWeek : 'dddd [at] LT', - lastDay : '[Yesterday at] LT', - lastWeek : '[Last] dddd [at] LT', - sameElse : 'L' - }; - - function calendar (key, mom, now) { - var output = this._calendar[key] || this._calendar['sameElse']; - return isFunction(output) ? output.call(mom, now) : output; - } - - var defaultLongDateFormat = { - LTS : 'h:mm:ss A', - LT : 'h:mm A', - L : 'MM/DD/YYYY', - LL : 'MMMM D, YYYY', - LLL : 'MMMM D, YYYY h:mm A', - LLLL : 'dddd, MMMM D, YYYY h:mm A' - }; - - function longDateFormat (key) { - var format = this._longDateFormat[key], - formatUpper = this._longDateFormat[key.toUpperCase()]; - - if (format || !formatUpper) { - return format; - } - - this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) { - return val.slice(1); - }); - - return this._longDateFormat[key]; - } - - var defaultInvalidDate = 'Invalid date'; - - function invalidDate () { - return this._invalidDate; - } - - var defaultOrdinal = '%d'; - var defaultDayOfMonthOrdinalParse = /\d{1,2}/; - - function ordinal (number) { - return this._ordinal.replace('%d', number); - } - - var defaultRelativeTime = { - future : 'in %s', - past : '%s ago', - s : 'a few seconds', - ss : '%d seconds', - m : 'a minute', - mm : '%d minutes', - h : 'an hour', - hh : '%d hours', - d : 'a day', - dd : '%d days', - M : 'a month', - MM : '%d months', - y : 'a year', - yy : '%d years' - }; - - function relativeTime (number, withoutSuffix, string, isFuture) { - var output = this._relativeTime[string]; - return (isFunction(output)) ? - output(number, withoutSuffix, string, isFuture) : - output.replace(/%d/i, number); - } - - function pastFuture (diff, output) { - var format = this._relativeTime[diff > 0 ? 'future' : 'past']; - return isFunction(format) ? format(output) : format.replace(/%s/i, output); - } - - var aliases = {}; - - function addUnitAlias (unit, shorthand) { - var lowerCase = unit.toLowerCase(); - aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit; - } - - function normalizeUnits(units) { - return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined; - } - - function normalizeObjectUnits(inputObject) { - var normalizedInput = {}, - normalizedProp, - prop; - - for (prop in inputObject) { - if (hasOwnProp(inputObject, prop)) { - normalizedProp = normalizeUnits(prop); - if (normalizedProp) { - normalizedInput[normalizedProp] = inputObject[prop]; - } - } - } - - return normalizedInput; - } - - var priorities = {}; - - function addUnitPriority(unit, priority) { - priorities[unit] = priority; - } - - function getPrioritizedUnits(unitsObj) { - var units = []; - for (var u in unitsObj) { - units.push({unit: u, priority: priorities[u]}); - } - units.sort(function (a, b) { - return a.priority - b.priority; - }); - return units; - } - - function zeroFill(number, targetLength, forceSign) { - var absNumber = '' + Math.abs(number), - zerosToFill = targetLength - absNumber.length, - sign = number >= 0; - return (sign ? (forceSign ? '+' : '') : '-') + - Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber; - } - - var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g; - - var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g; - - var formatFunctions = {}; - - var formatTokenFunctions = {}; - - // token: 'M' - // padded: ['MM', 2] - // ordinal: 'Mo' - // callback: function () { this.month() + 1 } - function addFormatToken (token, padded, ordinal, callback) { - var func = callback; - if (typeof callback === 'string') { - func = function () { - return this[callback](); - }; - } - if (token) { - formatTokenFunctions[token] = func; - } - if (padded) { - formatTokenFunctions[padded[0]] = function () { - return zeroFill(func.apply(this, arguments), padded[1], padded[2]); - }; - } - if (ordinal) { - formatTokenFunctions[ordinal] = function () { - return this.localeData().ordinal(func.apply(this, arguments), token); - }; - } - } - - function removeFormattingTokens(input) { - if (input.match(/\[[\s\S]/)) { - return input.replace(/^\[|\]$/g, ''); - } - return input.replace(/\\/g, ''); - } - - function makeFormatFunction(format) { - var array = format.match(formattingTokens), i, length; - - for (i = 0, length = array.length; i < length; i++) { - if (formatTokenFunctions[array[i]]) { - array[i] = formatTokenFunctions[array[i]]; - } else { - array[i] = removeFormattingTokens(array[i]); - } - } - - return function (mom) { - var output = '', i; - for (i = 0; i < length; i++) { - output += isFunction(array[i]) ? array[i].call(mom, format) : array[i]; - } - return output; - }; - } - - // format date using native date object - function formatMoment(m, format) { - if (!m.isValid()) { - return m.localeData().invalidDate(); - } - - format = expandFormat(format, m.localeData()); - formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format); - - return formatFunctions[format](m); - } - - function expandFormat(format, locale) { - var i = 5; - - function replaceLongDateFormatTokens(input) { - return locale.longDateFormat(input) || input; - } - - localFormattingTokens.lastIndex = 0; - while (i >= 0 && localFormattingTokens.test(format)) { - format = format.replace(localFormattingTokens, replaceLongDateFormatTokens); - localFormattingTokens.lastIndex = 0; - i -= 1; - } - - return format; - } - - var match1 = /\d/; // 0 - 9 - var match2 = /\d\d/; // 00 - 99 - var match3 = /\d{3}/; // 000 - 999 - var match4 = /\d{4}/; // 0000 - 9999 - var match6 = /[+-]?\d{6}/; // -999999 - 999999 - var match1to2 = /\d\d?/; // 0 - 99 - var match3to4 = /\d\d\d\d?/; // 999 - 9999 - var match5to6 = /\d\d\d\d\d\d?/; // 99999 - 999999 - var match1to3 = /\d{1,3}/; // 0 - 999 - var match1to4 = /\d{1,4}/; // 0 - 9999 - var match1to6 = /[+-]?\d{1,6}/; // -999999 - 999999 - - var matchUnsigned = /\d+/; // 0 - inf - var matchSigned = /[+-]?\d+/; // -inf - inf - - var matchOffset = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z - var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z - - var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123 - - // any word (or two) characters or numbers including two/three word month in arabic. - // includes scottish gaelic two word and hyphenated months - var matchWord = /[0-9]{0,256}['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFF07\uFF10-\uFFEF]{1,256}|[\u0600-\u06FF\/]{1,256}(\s*?[\u0600-\u06FF]{1,256}){1,2}/i; - - var regexes = {}; - - function addRegexToken (token, regex, strictRegex) { - regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) { - return (isStrict && strictRegex) ? strictRegex : regex; - }; - } - - function getParseRegexForToken (token, config) { - if (!hasOwnProp(regexes, token)) { - return new RegExp(unescapeFormat(token)); - } - - return regexes[token](config._strict, config._locale); - } - - // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript - function unescapeFormat(s) { - return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) { - return p1 || p2 || p3 || p4; - })); - } - - function regexEscape(s) { - return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); - } - - var tokens = {}; - - function addParseToken (token, callback) { - var i, func = callback; - if (typeof token === 'string') { - token = [token]; - } - if (isNumber(callback)) { - func = function (input, array) { - array[callback] = toInt(input); - }; - } - for (i = 0; i < token.length; i++) { - tokens[token[i]] = func; - } - } - - function addWeekParseToken (token, callback) { - addParseToken(token, function (input, array, config, token) { - config._w = config._w || {}; - callback(input, config._w, config, token); - }); - } - - function addTimeToArrayFromToken(token, input, config) { - if (input != null && hasOwnProp(tokens, token)) { - tokens[token](input, config._a, config, token); - } - } - - var YEAR = 0; - var MONTH = 1; - var DATE = 2; - var HOUR = 3; - var MINUTE = 4; - var SECOND = 5; - var MILLISECOND = 6; - var WEEK = 7; - var WEEKDAY = 8; - - // FORMATTING - - addFormatToken('Y', 0, 0, function () { - var y = this.year(); - return y <= 9999 ? '' + y : '+' + y; - }); - - addFormatToken(0, ['YY', 2], 0, function () { - return this.year() % 100; - }); - - addFormatToken(0, ['YYYY', 4], 0, 'year'); - addFormatToken(0, ['YYYYY', 5], 0, 'year'); - addFormatToken(0, ['YYYYYY', 6, true], 0, 'year'); - - // ALIASES - - addUnitAlias('year', 'y'); - - // PRIORITIES - - addUnitPriority('year', 1); - - // PARSING - - addRegexToken('Y', matchSigned); - addRegexToken('YY', match1to2, match2); - addRegexToken('YYYY', match1to4, match4); - addRegexToken('YYYYY', match1to6, match6); - addRegexToken('YYYYYY', match1to6, match6); - - addParseToken(['YYYYY', 'YYYYYY'], YEAR); - addParseToken('YYYY', function (input, array) { - array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input); - }); - addParseToken('YY', function (input, array) { - array[YEAR] = hooks.parseTwoDigitYear(input); - }); - addParseToken('Y', function (input, array) { - array[YEAR] = parseInt(input, 10); - }); - - // HELPERS - - function daysInYear(year) { - return isLeapYear(year) ? 366 : 365; - } - - function isLeapYear(year) { - return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; - } - - // HOOKS - - hooks.parseTwoDigitYear = function (input) { - return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); - }; - - // MOMENTS - - var getSetYear = makeGetSet('FullYear', true); - - function getIsLeapYear () { - return isLeapYear(this.year()); - } - - function makeGetSet (unit, keepTime) { - return function (value) { - if (value != null) { - set$1(this, unit, value); - hooks.updateOffset(this, keepTime); - return this; - } else { - return get(this, unit); - } - }; - } - - function get (mom, unit) { - return mom.isValid() ? - mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN; - } - - function set$1 (mom, unit, value) { - if (mom.isValid() && !isNaN(value)) { - if (unit === 'FullYear' && isLeapYear(mom.year()) && mom.month() === 1 && mom.date() === 29) { - mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value, mom.month(), daysInMonth(value, mom.month())); - } - else { - mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); - } - } - } - - // MOMENTS - - function stringGet (units) { - units = normalizeUnits(units); - if (isFunction(this[units])) { - return this[units](); - } - return this; - } - - - function stringSet (units, value) { - if (typeof units === 'object') { - units = normalizeObjectUnits(units); - var prioritized = getPrioritizedUnits(units); - for (var i = 0; i < prioritized.length; i++) { - this[prioritized[i].unit](units[prioritized[i].unit]); - } - } else { - units = normalizeUnits(units); - if (isFunction(this[units])) { - return this[units](value); - } - } - return this; - } - - function mod(n, x) { - return ((n % x) + x) % x; - } - - var indexOf; - - if (Array.prototype.indexOf) { - indexOf = Array.prototype.indexOf; - } else { - indexOf = function (o) { - // I know - var i; - for (i = 0; i < this.length; ++i) { - if (this[i] === o) { - return i; - } - } - return -1; - }; - } - - function daysInMonth(year, month) { - if (isNaN(year) || isNaN(month)) { - return NaN; - } - var modMonth = mod(month, 12); - year += (month - modMonth) / 12; - return modMonth === 1 ? (isLeapYear(year) ? 29 : 28) : (31 - modMonth % 7 % 2); - } - - // FORMATTING - - addFormatToken('M', ['MM', 2], 'Mo', function () { - return this.month() + 1; - }); - - addFormatToken('MMM', 0, 0, function (format) { - return this.localeData().monthsShort(this, format); - }); - - addFormatToken('MMMM', 0, 0, function (format) { - return this.localeData().months(this, format); - }); - - // ALIASES - - addUnitAlias('month', 'M'); - - // PRIORITY - - addUnitPriority('month', 8); - - // PARSING - - addRegexToken('M', match1to2); - addRegexToken('MM', match1to2, match2); - addRegexToken('MMM', function (isStrict, locale) { - return locale.monthsShortRegex(isStrict); - }); - addRegexToken('MMMM', function (isStrict, locale) { - return locale.monthsRegex(isStrict); - }); - - addParseToken(['M', 'MM'], function (input, array) { - array[MONTH] = toInt(input) - 1; - }); - - addParseToken(['MMM', 'MMMM'], function (input, array, config, token) { - var month = config._locale.monthsParse(input, token, config._strict); - // if we didn't find a month name, mark the date as invalid. - if (month != null) { - array[MONTH] = month; - } else { - getParsingFlags(config).invalidMonth = input; - } - }); - - // LOCALES - - var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/; - var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'); - function localeMonths (m, format) { - if (!m) { - return isArray(this._months) ? this._months : - this._months['standalone']; - } - return isArray(this._months) ? this._months[m.month()] : - this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()]; - } - - var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'); - function localeMonthsShort (m, format) { - if (!m) { - return isArray(this._monthsShort) ? this._monthsShort : - this._monthsShort['standalone']; - } - return isArray(this._monthsShort) ? this._monthsShort[m.month()] : - this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()]; - } - - function handleStrictParse(monthName, format, strict) { - var i, ii, mom, llc = monthName.toLocaleLowerCase(); - if (!this._monthsParse) { - // this is not used - this._monthsParse = []; - this._longMonthsParse = []; - this._shortMonthsParse = []; - for (i = 0; i < 12; ++i) { - mom = createUTC([2000, i]); - this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase(); - this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase(); - } - } - - if (strict) { - if (format === 'MMM') { - ii = indexOf.call(this._shortMonthsParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._longMonthsParse, llc); - return ii !== -1 ? ii : null; - } - } else { - if (format === 'MMM') { - ii = indexOf.call(this._shortMonthsParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._longMonthsParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._longMonthsParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._shortMonthsParse, llc); - return ii !== -1 ? ii : null; - } - } - } - - function localeMonthsParse (monthName, format, strict) { - var i, mom, regex; - - if (this._monthsParseExact) { - return handleStrictParse.call(this, monthName, format, strict); - } - - if (!this._monthsParse) { - this._monthsParse = []; - this._longMonthsParse = []; - this._shortMonthsParse = []; - } - - // TODO: add sorting - // Sorting makes sure if one month (or abbr) is a prefix of another - // see sorting in computeMonthsParse - for (i = 0; i < 12; i++) { - // make the regex if we don't have it already - mom = createUTC([2000, i]); - if (strict && !this._longMonthsParse[i]) { - this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i'); - this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i'); - } - if (!strict && !this._monthsParse[i]) { - regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, ''); - this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i'); - } - // test the regex - if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) { - return i; - } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) { - return i; - } else if (!strict && this._monthsParse[i].test(monthName)) { - return i; - } - } - } - - // MOMENTS - - function setMonth (mom, value) { - var dayOfMonth; - - if (!mom.isValid()) { - // No op - return mom; - } - - if (typeof value === 'string') { - if (/^\d+$/.test(value)) { - value = toInt(value); - } else { - value = mom.localeData().monthsParse(value); - // TODO: Another silent failure? - if (!isNumber(value)) { - return mom; - } - } - } - - dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value)); - mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); - return mom; - } - - function getSetMonth (value) { - if (value != null) { - setMonth(this, value); - hooks.updateOffset(this, true); - return this; - } else { - return get(this, 'Month'); - } - } - - function getDaysInMonth () { - return daysInMonth(this.year(), this.month()); - } - - var defaultMonthsShortRegex = matchWord; - function monthsShortRegex (isStrict) { - if (this._monthsParseExact) { - if (!hasOwnProp(this, '_monthsRegex')) { - computeMonthsParse.call(this); - } - if (isStrict) { - return this._monthsShortStrictRegex; - } else { - return this._monthsShortRegex; - } - } else { - if (!hasOwnProp(this, '_monthsShortRegex')) { - this._monthsShortRegex = defaultMonthsShortRegex; - } - return this._monthsShortStrictRegex && isStrict ? - this._monthsShortStrictRegex : this._monthsShortRegex; - } - } - - var defaultMonthsRegex = matchWord; - function monthsRegex (isStrict) { - if (this._monthsParseExact) { - if (!hasOwnProp(this, '_monthsRegex')) { - computeMonthsParse.call(this); - } - if (isStrict) { - return this._monthsStrictRegex; - } else { - return this._monthsRegex; - } - } else { - if (!hasOwnProp(this, '_monthsRegex')) { - this._monthsRegex = defaultMonthsRegex; - } - return this._monthsStrictRegex && isStrict ? - this._monthsStrictRegex : this._monthsRegex; - } - } - - function computeMonthsParse () { - function cmpLenRev(a, b) { - return b.length - a.length; - } - - var shortPieces = [], longPieces = [], mixedPieces = [], - i, mom; - for (i = 0; i < 12; i++) { - // make the regex if we don't have it already - mom = createUTC([2000, i]); - shortPieces.push(this.monthsShort(mom, '')); - longPieces.push(this.months(mom, '')); - mixedPieces.push(this.months(mom, '')); - mixedPieces.push(this.monthsShort(mom, '')); - } - // Sorting makes sure if one month (or abbr) is a prefix of another it - // will match the longer piece. - shortPieces.sort(cmpLenRev); - longPieces.sort(cmpLenRev); - mixedPieces.sort(cmpLenRev); - for (i = 0; i < 12; i++) { - shortPieces[i] = regexEscape(shortPieces[i]); - longPieces[i] = regexEscape(longPieces[i]); - } - for (i = 0; i < 24; i++) { - mixedPieces[i] = regexEscape(mixedPieces[i]); - } - - this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); - this._monthsShortRegex = this._monthsRegex; - this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i'); - this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i'); - } - - function createDate (y, m, d, h, M, s, ms) { - // can't just apply() to create a date: - // https://stackoverflow.com/q/181348 - var date; - // the date constructor remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0) { - // preserve leap years using a full 400 year cycle, then reset - date = new Date(y + 400, m, d, h, M, s, ms); - if (isFinite(date.getFullYear())) { - date.setFullYear(y); - } - } else { - date = new Date(y, m, d, h, M, s, ms); - } - - return date; - } - - function createUTCDate (y) { - var date; - // the Date.UTC function remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0) { - var args = Array.prototype.slice.call(arguments); - // preserve leap years using a full 400 year cycle, then reset - args[0] = y + 400; - date = new Date(Date.UTC.apply(null, args)); - if (isFinite(date.getUTCFullYear())) { - date.setUTCFullYear(y); - } - } else { - date = new Date(Date.UTC.apply(null, arguments)); - } - - return date; - } - - // start-of-first-week - start-of-year - function firstWeekOffset(year, dow, doy) { - var // first-week day -- which january is always in the first week (4 for iso, 1 for other) - fwd = 7 + dow - doy, - // first-week day local weekday -- which local weekday is fwd - fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7; - - return -fwdlw + fwd - 1; - } - - // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday - function dayOfYearFromWeeks(year, week, weekday, dow, doy) { - var localWeekday = (7 + weekday - dow) % 7, - weekOffset = firstWeekOffset(year, dow, doy), - dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset, - resYear, resDayOfYear; - - if (dayOfYear <= 0) { - resYear = year - 1; - resDayOfYear = daysInYear(resYear) + dayOfYear; - } else if (dayOfYear > daysInYear(year)) { - resYear = year + 1; - resDayOfYear = dayOfYear - daysInYear(year); - } else { - resYear = year; - resDayOfYear = dayOfYear; - } - - return { - year: resYear, - dayOfYear: resDayOfYear - }; - } - - function weekOfYear(mom, dow, doy) { - var weekOffset = firstWeekOffset(mom.year(), dow, doy), - week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1, - resWeek, resYear; - - if (week < 1) { - resYear = mom.year() - 1; - resWeek = week + weeksInYear(resYear, dow, doy); - } else if (week > weeksInYear(mom.year(), dow, doy)) { - resWeek = week - weeksInYear(mom.year(), dow, doy); - resYear = mom.year() + 1; - } else { - resYear = mom.year(); - resWeek = week; - } - - return { - week: resWeek, - year: resYear - }; - } - - function weeksInYear(year, dow, doy) { - var weekOffset = firstWeekOffset(year, dow, doy), - weekOffsetNext = firstWeekOffset(year + 1, dow, doy); - return (daysInYear(year) - weekOffset + weekOffsetNext) / 7; - } - - // FORMATTING - - addFormatToken('w', ['ww', 2], 'wo', 'week'); - addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek'); - - // ALIASES - - addUnitAlias('week', 'w'); - addUnitAlias('isoWeek', 'W'); - - // PRIORITIES - - addUnitPriority('week', 5); - addUnitPriority('isoWeek', 5); - - // PARSING - - addRegexToken('w', match1to2); - addRegexToken('ww', match1to2, match2); - addRegexToken('W', match1to2); - addRegexToken('WW', match1to2, match2); - - addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) { - week[token.substr(0, 1)] = toInt(input); - }); - - // HELPERS - - // LOCALES - - function localeWeek (mom) { - return weekOfYear(mom, this._week.dow, this._week.doy).week; - } - - var defaultLocaleWeek = { - dow : 0, // Sunday is the first day of the week. - doy : 6 // The week that contains Jan 6th is the first week of the year. - }; - - function localeFirstDayOfWeek () { - return this._week.dow; - } - - function localeFirstDayOfYear () { - return this._week.doy; - } - - // MOMENTS - - function getSetWeek (input) { - var week = this.localeData().week(this); - return input == null ? week : this.add((input - week) * 7, 'd'); - } - - function getSetISOWeek (input) { - var week = weekOfYear(this, 1, 4).week; - return input == null ? week : this.add((input - week) * 7, 'd'); - } - - // FORMATTING - - addFormatToken('d', 0, 'do', 'day'); - - addFormatToken('dd', 0, 0, function (format) { - return this.localeData().weekdaysMin(this, format); - }); - - addFormatToken('ddd', 0, 0, function (format) { - return this.localeData().weekdaysShort(this, format); - }); - - addFormatToken('dddd', 0, 0, function (format) { - return this.localeData().weekdays(this, format); - }); - - addFormatToken('e', 0, 0, 'weekday'); - addFormatToken('E', 0, 0, 'isoWeekday'); - - // ALIASES - - addUnitAlias('day', 'd'); - addUnitAlias('weekday', 'e'); - addUnitAlias('isoWeekday', 'E'); - - // PRIORITY - addUnitPriority('day', 11); - addUnitPriority('weekday', 11); - addUnitPriority('isoWeekday', 11); - - // PARSING - - addRegexToken('d', match1to2); - addRegexToken('e', match1to2); - addRegexToken('E', match1to2); - addRegexToken('dd', function (isStrict, locale) { - return locale.weekdaysMinRegex(isStrict); - }); - addRegexToken('ddd', function (isStrict, locale) { - return locale.weekdaysShortRegex(isStrict); - }); - addRegexToken('dddd', function (isStrict, locale) { - return locale.weekdaysRegex(isStrict); - }); - - addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) { - var weekday = config._locale.weekdaysParse(input, token, config._strict); - // if we didn't get a weekday name, mark the date as invalid - if (weekday != null) { - week.d = weekday; - } else { - getParsingFlags(config).invalidWeekday = input; - } - }); - - addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) { - week[token] = toInt(input); - }); - - // HELPERS - - function parseWeekday(input, locale) { - if (typeof input !== 'string') { - return input; - } - - if (!isNaN(input)) { - return parseInt(input, 10); - } - - input = locale.weekdaysParse(input); - if (typeof input === 'number') { - return input; - } - - return null; - } - - function parseIsoWeekday(input, locale) { - if (typeof input === 'string') { - return locale.weekdaysParse(input) % 7 || 7; - } - return isNaN(input) ? null : input; - } - - // LOCALES - function shiftWeekdays (ws, n) { - return ws.slice(n, 7).concat(ws.slice(0, n)); - } - - var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'); - function localeWeekdays (m, format) { - var weekdays = isArray(this._weekdays) ? this._weekdays : - this._weekdays[(m && m !== true && this._weekdays.isFormat.test(format)) ? 'format' : 'standalone']; - return (m === true) ? shiftWeekdays(weekdays, this._week.dow) - : (m) ? weekdays[m.day()] : weekdays; - } - - var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'); - function localeWeekdaysShort (m) { - return (m === true) ? shiftWeekdays(this._weekdaysShort, this._week.dow) - : (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort; - } - - var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'); - function localeWeekdaysMin (m) { - return (m === true) ? shiftWeekdays(this._weekdaysMin, this._week.dow) - : (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin; - } - - function handleStrictParse$1(weekdayName, format, strict) { - var i, ii, mom, llc = weekdayName.toLocaleLowerCase(); - if (!this._weekdaysParse) { - this._weekdaysParse = []; - this._shortWeekdaysParse = []; - this._minWeekdaysParse = []; - - for (i = 0; i < 7; ++i) { - mom = createUTC([2000, 1]).day(i); - this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase(); - this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase(); - this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase(); - } - } - - if (strict) { - if (format === 'dddd') { - ii = indexOf.call(this._weekdaysParse, llc); - return ii !== -1 ? ii : null; - } else if (format === 'ddd') { - ii = indexOf.call(this._shortWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._minWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } - } else { - if (format === 'dddd') { - ii = indexOf.call(this._weekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._shortWeekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._minWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } else if (format === 'ddd') { - ii = indexOf.call(this._shortWeekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._weekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._minWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } else { - ii = indexOf.call(this._minWeekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._weekdaysParse, llc); - if (ii !== -1) { - return ii; - } - ii = indexOf.call(this._shortWeekdaysParse, llc); - return ii !== -1 ? ii : null; - } - } - } - - function localeWeekdaysParse (weekdayName, format, strict) { - var i, mom, regex; - - if (this._weekdaysParseExact) { - return handleStrictParse$1.call(this, weekdayName, format, strict); - } - - if (!this._weekdaysParse) { - this._weekdaysParse = []; - this._minWeekdaysParse = []; - this._shortWeekdaysParse = []; - this._fullWeekdaysParse = []; - } - - for (i = 0; i < 7; i++) { - // make the regex if we don't have it already - - mom = createUTC([2000, 1]).day(i); - if (strict && !this._fullWeekdaysParse[i]) { - this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\\.?') + '$', 'i'); - this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$', 'i'); - this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$', 'i'); - } - if (!this._weekdaysParse[i]) { - regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, ''); - this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i'); - } - // test the regex - if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) { - return i; - } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) { - return i; - } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) { - return i; - } else if (!strict && this._weekdaysParse[i].test(weekdayName)) { - return i; - } - } - } - - // MOMENTS - - function getSetDayOfWeek (input) { - if (!this.isValid()) { - return input != null ? this : NaN; - } - var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay(); - if (input != null) { - input = parseWeekday(input, this.localeData()); - return this.add(input - day, 'd'); - } else { - return day; - } - } - - function getSetLocaleDayOfWeek (input) { - if (!this.isValid()) { - return input != null ? this : NaN; - } - var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; - return input == null ? weekday : this.add(input - weekday, 'd'); - } - - function getSetISODayOfWeek (input) { - if (!this.isValid()) { - return input != null ? this : NaN; - } - - // behaves the same as moment#day except - // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6) - // as a setter, sunday should belong to the previous week. - - if (input != null) { - var weekday = parseIsoWeekday(input, this.localeData()); - return this.day(this.day() % 7 ? weekday : weekday - 7); - } else { - return this.day() || 7; - } - } - - var defaultWeekdaysRegex = matchWord; - function weekdaysRegex (isStrict) { - if (this._weekdaysParseExact) { - if (!hasOwnProp(this, '_weekdaysRegex')) { - computeWeekdaysParse.call(this); - } - if (isStrict) { - return this._weekdaysStrictRegex; - } else { - return this._weekdaysRegex; - } - } else { - if (!hasOwnProp(this, '_weekdaysRegex')) { - this._weekdaysRegex = defaultWeekdaysRegex; - } - return this._weekdaysStrictRegex && isStrict ? - this._weekdaysStrictRegex : this._weekdaysRegex; - } - } - - var defaultWeekdaysShortRegex = matchWord; - function weekdaysShortRegex (isStrict) { - if (this._weekdaysParseExact) { - if (!hasOwnProp(this, '_weekdaysRegex')) { - computeWeekdaysParse.call(this); - } - if (isStrict) { - return this._weekdaysShortStrictRegex; - } else { - return this._weekdaysShortRegex; - } - } else { - if (!hasOwnProp(this, '_weekdaysShortRegex')) { - this._weekdaysShortRegex = defaultWeekdaysShortRegex; - } - return this._weekdaysShortStrictRegex && isStrict ? - this._weekdaysShortStrictRegex : this._weekdaysShortRegex; - } - } - - var defaultWeekdaysMinRegex = matchWord; - function weekdaysMinRegex (isStrict) { - if (this._weekdaysParseExact) { - if (!hasOwnProp(this, '_weekdaysRegex')) { - computeWeekdaysParse.call(this); - } - if (isStrict) { - return this._weekdaysMinStrictRegex; - } else { - return this._weekdaysMinRegex; - } - } else { - if (!hasOwnProp(this, '_weekdaysMinRegex')) { - this._weekdaysMinRegex = defaultWeekdaysMinRegex; - } - return this._weekdaysMinStrictRegex && isStrict ? - this._weekdaysMinStrictRegex : this._weekdaysMinRegex; - } - } - - - function computeWeekdaysParse () { - function cmpLenRev(a, b) { - return b.length - a.length; - } - - var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [], - i, mom, minp, shortp, longp; - for (i = 0; i < 7; i++) { - // make the regex if we don't have it already - mom = createUTC([2000, 1]).day(i); - minp = this.weekdaysMin(mom, ''); - shortp = this.weekdaysShort(mom, ''); - longp = this.weekdays(mom, ''); - minPieces.push(minp); - shortPieces.push(shortp); - longPieces.push(longp); - mixedPieces.push(minp); - mixedPieces.push(shortp); - mixedPieces.push(longp); - } - // Sorting makes sure if one weekday (or abbr) is a prefix of another it - // will match the longer piece. - minPieces.sort(cmpLenRev); - shortPieces.sort(cmpLenRev); - longPieces.sort(cmpLenRev); - mixedPieces.sort(cmpLenRev); - for (i = 0; i < 7; i++) { - shortPieces[i] = regexEscape(shortPieces[i]); - longPieces[i] = regexEscape(longPieces[i]); - mixedPieces[i] = regexEscape(mixedPieces[i]); - } - - this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); - this._weekdaysShortRegex = this._weekdaysRegex; - this._weekdaysMinRegex = this._weekdaysRegex; - - this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i'); - this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i'); - this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i'); - } - - // FORMATTING - - function hFormat() { - return this.hours() % 12 || 12; - } - - function kFormat() { - return this.hours() || 24; - } - - addFormatToken('H', ['HH', 2], 0, 'hour'); - addFormatToken('h', ['hh', 2], 0, hFormat); - addFormatToken('k', ['kk', 2], 0, kFormat); - - addFormatToken('hmm', 0, 0, function () { - return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2); - }); - - addFormatToken('hmmss', 0, 0, function () { - return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) + - zeroFill(this.seconds(), 2); - }); - - addFormatToken('Hmm', 0, 0, function () { - return '' + this.hours() + zeroFill(this.minutes(), 2); - }); - - addFormatToken('Hmmss', 0, 0, function () { - return '' + this.hours() + zeroFill(this.minutes(), 2) + - zeroFill(this.seconds(), 2); - }); - - function meridiem (token, lowercase) { - addFormatToken(token, 0, 0, function () { - return this.localeData().meridiem(this.hours(), this.minutes(), lowercase); - }); - } - - meridiem('a', true); - meridiem('A', false); - - // ALIASES - - addUnitAlias('hour', 'h'); - - // PRIORITY - addUnitPriority('hour', 13); - - // PARSING - - function matchMeridiem (isStrict, locale) { - return locale._meridiemParse; - } - - addRegexToken('a', matchMeridiem); - addRegexToken('A', matchMeridiem); - addRegexToken('H', match1to2); - addRegexToken('h', match1to2); - addRegexToken('k', match1to2); - addRegexToken('HH', match1to2, match2); - addRegexToken('hh', match1to2, match2); - addRegexToken('kk', match1to2, match2); - - addRegexToken('hmm', match3to4); - addRegexToken('hmmss', match5to6); - addRegexToken('Hmm', match3to4); - addRegexToken('Hmmss', match5to6); - - addParseToken(['H', 'HH'], HOUR); - addParseToken(['k', 'kk'], function (input, array, config) { - var kInput = toInt(input); - array[HOUR] = kInput === 24 ? 0 : kInput; - }); - addParseToken(['a', 'A'], function (input, array, config) { - config._isPm = config._locale.isPM(input); - config._meridiem = input; - }); - addParseToken(['h', 'hh'], function (input, array, config) { - array[HOUR] = toInt(input); - getParsingFlags(config).bigHour = true; - }); - addParseToken('hmm', function (input, array, config) { - var pos = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos)); - array[MINUTE] = toInt(input.substr(pos)); - getParsingFlags(config).bigHour = true; - }); - addParseToken('hmmss', function (input, array, config) { - var pos1 = input.length - 4; - var pos2 = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos1)); - array[MINUTE] = toInt(input.substr(pos1, 2)); - array[SECOND] = toInt(input.substr(pos2)); - getParsingFlags(config).bigHour = true; - }); - addParseToken('Hmm', function (input, array, config) { - var pos = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos)); - array[MINUTE] = toInt(input.substr(pos)); - }); - addParseToken('Hmmss', function (input, array, config) { - var pos1 = input.length - 4; - var pos2 = input.length - 2; - array[HOUR] = toInt(input.substr(0, pos1)); - array[MINUTE] = toInt(input.substr(pos1, 2)); - array[SECOND] = toInt(input.substr(pos2)); - }); - - // LOCALES - - function localeIsPM (input) { - // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays - // Using charAt should be more compatible. - return ((input + '').toLowerCase().charAt(0) === 'p'); - } - - var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i; - function localeMeridiem (hours, minutes, isLower) { - if (hours > 11) { - return isLower ? 'pm' : 'PM'; - } else { - return isLower ? 'am' : 'AM'; - } - } - - - // MOMENTS - - // Setting the hour should keep the time, because the user explicitly - // specified which hour they want. So trying to maintain the same hour (in - // a new timezone) makes sense. Adding/subtracting hours does not follow - // this rule. - var getSetHour = makeGetSet('Hours', true); - - var baseConfig = { - calendar: defaultCalendar, - longDateFormat: defaultLongDateFormat, - invalidDate: defaultInvalidDate, - ordinal: defaultOrdinal, - dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse, - relativeTime: defaultRelativeTime, - - months: defaultLocaleMonths, - monthsShort: defaultLocaleMonthsShort, - - week: defaultLocaleWeek, - - weekdays: defaultLocaleWeekdays, - weekdaysMin: defaultLocaleWeekdaysMin, - weekdaysShort: defaultLocaleWeekdaysShort, - - meridiemParse: defaultLocaleMeridiemParse - }; - - // internal storage for locale config files - var locales = {}; - var localeFamilies = {}; - var globalLocale; - - function normalizeLocale(key) { - return key ? key.toLowerCase().replace('_', '-') : key; - } - - // pick the locale from the array - // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each - // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root - function chooseLocale(names) { - var i = 0, j, next, locale, split; - - while (i < names.length) { - split = normalizeLocale(names[i]).split('-'); - j = split.length; - next = normalizeLocale(names[i + 1]); - next = next ? next.split('-') : null; - while (j > 0) { - locale = loadLocale(split.slice(0, j).join('-')); - if (locale) { - return locale; - } - if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) { - //the next array item is better than a shallower substring of this one - break; - } - j--; - } - i++; - } - return globalLocale; - } - - function loadLocale(name) { - var oldLocale = null; - // TODO: Find a better way to register and load all the locales in Node - if (!locales[name] && ('object' !== 'undefined') && - module && module.exports) { - try { - oldLocale = globalLocale._abbr; - var aliasedRequire = commonjsRequire; - aliasedRequire('./locale/' + name); - getSetGlobalLocale(oldLocale); - } catch (e) {} - } - return locales[name]; - } - - // This function will load locale and then set the global locale. If - // no arguments are passed in, it will simply return the current global - // locale key. - function getSetGlobalLocale (key, values) { - var data; - if (key) { - if (isUndefined(values)) { - data = getLocale(key); - } - else { - data = defineLocale(key, values); - } - - if (data) { - // moment.duration._locale = moment._locale = data; - globalLocale = data; - } - else { - if ((typeof console !== 'undefined') && console.warn) { - //warn user if arguments are passed but the locale could not be set - console.warn('Locale ' + key + ' not found. Did you forget to load it?'); - } - } - } - - return globalLocale._abbr; - } - - function defineLocale (name, config) { - if (config !== null) { - var locale, parentConfig = baseConfig; - config.abbr = name; - if (locales[name] != null) { - deprecateSimple('defineLocaleOverride', - 'use moment.updateLocale(localeName, config) to change ' + - 'an existing locale. moment.defineLocale(localeName, ' + - 'config) should only be used for creating a new locale ' + - 'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.'); - parentConfig = locales[name]._config; - } else if (config.parentLocale != null) { - if (locales[config.parentLocale] != null) { - parentConfig = locales[config.parentLocale]._config; - } else { - locale = loadLocale(config.parentLocale); - if (locale != null) { - parentConfig = locale._config; - } else { - if (!localeFamilies[config.parentLocale]) { - localeFamilies[config.parentLocale] = []; - } - localeFamilies[config.parentLocale].push({ - name: name, - config: config - }); - return null; - } - } - } - locales[name] = new Locale(mergeConfigs(parentConfig, config)); - - if (localeFamilies[name]) { - localeFamilies[name].forEach(function (x) { - defineLocale(x.name, x.config); - }); - } - - // backwards compat for now: also set the locale - // make sure we set the locale AFTER all child locales have been - // created, so we won't end up with the child locale set. - getSetGlobalLocale(name); - - - return locales[name]; - } else { - // useful for testing - delete locales[name]; - return null; - } - } - - function updateLocale(name, config) { - if (config != null) { - var locale, tmpLocale, parentConfig = baseConfig; - // MERGE - tmpLocale = loadLocale(name); - if (tmpLocale != null) { - parentConfig = tmpLocale._config; - } - config = mergeConfigs(parentConfig, config); - locale = new Locale(config); - locale.parentLocale = locales[name]; - locales[name] = locale; - - // backwards compat for now: also set the locale - getSetGlobalLocale(name); - } else { - // pass null for config to unupdate, useful for tests - if (locales[name] != null) { - if (locales[name].parentLocale != null) { - locales[name] = locales[name].parentLocale; - } else if (locales[name] != null) { - delete locales[name]; - } - } - } - return locales[name]; - } - - // returns locale data - function getLocale (key) { - var locale; - - if (key && key._locale && key._locale._abbr) { - key = key._locale._abbr; - } - - if (!key) { - return globalLocale; - } - - if (!isArray(key)) { - //short-circuit everything else - locale = loadLocale(key); - if (locale) { - return locale; - } - key = [key]; - } - - return chooseLocale(key); - } - - function listLocales() { - return keys(locales); - } - - function checkOverflow (m) { - var overflow; - var a = m._a; - - if (a && getParsingFlags(m).overflow === -2) { - overflow = - a[MONTH] < 0 || a[MONTH] > 11 ? MONTH : - a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) ? DATE : - a[HOUR] < 0 || a[HOUR] > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR : - a[MINUTE] < 0 || a[MINUTE] > 59 ? MINUTE : - a[SECOND] < 0 || a[SECOND] > 59 ? SECOND : - a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND : - -1; - - if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) { - overflow = DATE; - } - if (getParsingFlags(m)._overflowWeeks && overflow === -1) { - overflow = WEEK; - } - if (getParsingFlags(m)._overflowWeekday && overflow === -1) { - overflow = WEEKDAY; - } - - getParsingFlags(m).overflow = overflow; - } - - return m; - } - - // Pick the first defined of two or three arguments. - function defaults(a, b, c) { - if (a != null) { - return a; - } - if (b != null) { - return b; - } - return c; - } - - function currentDateArray(config) { - // hooks is actually the exported moment object - var nowValue = new Date(hooks.now()); - if (config._useUTC) { - return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()]; - } - return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()]; - } - - // convert an array to a date. - // the array should mirror the parameters below - // note: all values past the year are optional and will default to the lowest possible value. - // [year, month, day , hour, minute, second, millisecond] - function configFromArray (config) { - var i, date, input = [], currentDate, expectedWeekday, yearToUse; - - if (config._d) { - return; - } - - currentDate = currentDateArray(config); - - //compute day of the year from weeks and weekdays - if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { - dayOfYearFromWeekInfo(config); - } - - //if the day of the year is set, figure out what it is - if (config._dayOfYear != null) { - yearToUse = defaults(config._a[YEAR], currentDate[YEAR]); - - if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) { - getParsingFlags(config)._overflowDayOfYear = true; - } - - date = createUTCDate(yearToUse, 0, config._dayOfYear); - config._a[MONTH] = date.getUTCMonth(); - config._a[DATE] = date.getUTCDate(); - } - - // Default to current date. - // * if no year, month, day of month are given, default to today - // * if day of month is given, default month and year - // * if month is given, default only year - // * if year is given, don't default anything - for (i = 0; i < 3 && config._a[i] == null; ++i) { - config._a[i] = input[i] = currentDate[i]; - } - - // Zero out whatever was not defaulted, including time - for (; i < 7; i++) { - config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i]; - } - - // Check for 24:00:00.000 - if (config._a[HOUR] === 24 && - config._a[MINUTE] === 0 && - config._a[SECOND] === 0 && - config._a[MILLISECOND] === 0) { - config._nextDay = true; - config._a[HOUR] = 0; - } - - config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input); - expectedWeekday = config._useUTC ? config._d.getUTCDay() : config._d.getDay(); - - // Apply timezone offset from input. The actual utcOffset can be changed - // with parseZone. - if (config._tzm != null) { - config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); - } - - if (config._nextDay) { - config._a[HOUR] = 24; - } - - // check for mismatching day of week - if (config._w && typeof config._w.d !== 'undefined' && config._w.d !== expectedWeekday) { - getParsingFlags(config).weekdayMismatch = true; - } - } - - function dayOfYearFromWeekInfo(config) { - var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow; - - w = config._w; - if (w.GG != null || w.W != null || w.E != null) { - dow = 1; - doy = 4; - - // TODO: We need to take the current isoWeekYear, but that depends on - // how we interpret now (local, utc, fixed offset). So create - // a now version of current config (take local/utc/offset flags, and - // create now). - weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year); - week = defaults(w.W, 1); - weekday = defaults(w.E, 1); - if (weekday < 1 || weekday > 7) { - weekdayOverflow = true; - } - } else { - dow = config._locale._week.dow; - doy = config._locale._week.doy; - - var curWeek = weekOfYear(createLocal(), dow, doy); - - weekYear = defaults(w.gg, config._a[YEAR], curWeek.year); - - // Default to current week. - week = defaults(w.w, curWeek.week); - - if (w.d != null) { - // weekday -- low day numbers are considered next week - weekday = w.d; - if (weekday < 0 || weekday > 6) { - weekdayOverflow = true; - } - } else if (w.e != null) { - // local weekday -- counting starts from beginning of week - weekday = w.e + dow; - if (w.e < 0 || w.e > 6) { - weekdayOverflow = true; - } - } else { - // default to beginning of week - weekday = dow; - } - } - if (week < 1 || week > weeksInYear(weekYear, dow, doy)) { - getParsingFlags(config)._overflowWeeks = true; - } else if (weekdayOverflow != null) { - getParsingFlags(config)._overflowWeekday = true; - } else { - temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy); - config._a[YEAR] = temp.year; - config._dayOfYear = temp.dayOfYear; - } - } - - // iso 8601 regex - // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00) - var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/; - var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/; - - var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/; - - var isoDates = [ - ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/], - ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/], - ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/], - ['GGGG-[W]WW', /\d{4}-W\d\d/, false], - ['YYYY-DDD', /\d{4}-\d{3}/], - ['YYYY-MM', /\d{4}-\d\d/, false], - ['YYYYYYMMDD', /[+-]\d{10}/], - ['YYYYMMDD', /\d{8}/], - // YYYYMM is NOT allowed by the standard - ['GGGG[W]WWE', /\d{4}W\d{3}/], - ['GGGG[W]WW', /\d{4}W\d{2}/, false], - ['YYYYDDD', /\d{7}/] - ]; - - // iso time formats and regexes - var isoTimes = [ - ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/], - ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/], - ['HH:mm:ss', /\d\d:\d\d:\d\d/], - ['HH:mm', /\d\d:\d\d/], - ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/], - ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/], - ['HHmmss', /\d\d\d\d\d\d/], - ['HHmm', /\d\d\d\d/], - ['HH', /\d\d/] - ]; - - var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i; - - // date from iso format - function configFromISO(config) { - var i, l, - string = config._i, - match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string), - allowTime, dateFormat, timeFormat, tzFormat; - - if (match) { - getParsingFlags(config).iso = true; - - for (i = 0, l = isoDates.length; i < l; i++) { - if (isoDates[i][1].exec(match[1])) { - dateFormat = isoDates[i][0]; - allowTime = isoDates[i][2] !== false; - break; - } - } - if (dateFormat == null) { - config._isValid = false; - return; - } - if (match[3]) { - for (i = 0, l = isoTimes.length; i < l; i++) { - if (isoTimes[i][1].exec(match[3])) { - // match[2] should be 'T' or space - timeFormat = (match[2] || ' ') + isoTimes[i][0]; - break; - } - } - if (timeFormat == null) { - config._isValid = false; - return; - } - } - if (!allowTime && timeFormat != null) { - config._isValid = false; - return; - } - if (match[4]) { - if (tzRegex.exec(match[4])) { - tzFormat = 'Z'; - } else { - config._isValid = false; - return; - } - } - config._f = dateFormat + (timeFormat || '') + (tzFormat || ''); - configFromStringAndFormat(config); - } else { - config._isValid = false; - } - } - - // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3 - var rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\d{4}))$/; - - function extractFromRFC2822Strings(yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) { - var result = [ - untruncateYear(yearStr), - defaultLocaleMonthsShort.indexOf(monthStr), - parseInt(dayStr, 10), - parseInt(hourStr, 10), - parseInt(minuteStr, 10) - ]; - - if (secondStr) { - result.push(parseInt(secondStr, 10)); - } - - return result; - } - - function untruncateYear(yearStr) { - var year = parseInt(yearStr, 10); - if (year <= 49) { - return 2000 + year; - } else if (year <= 999) { - return 1900 + year; - } - return year; - } - - function preprocessRFC2822(s) { - // Remove comments and folding whitespace and replace multiple-spaces with a single space - return s.replace(/\([^)]*\)|[\n\t]/g, ' ').replace(/(\s\s+)/g, ' ').replace(/^\s\s*/, '').replace(/\s\s*$/, ''); - } - - function checkWeekday(weekdayStr, parsedInput, config) { - if (weekdayStr) { - // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check. - var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr), - weekdayActual = new Date(parsedInput[0], parsedInput[1], parsedInput[2]).getDay(); - if (weekdayProvided !== weekdayActual) { - getParsingFlags(config).weekdayMismatch = true; - config._isValid = false; - return false; - } - } - return true; - } - - var obsOffsets = { - UT: 0, - GMT: 0, - EDT: -4 * 60, - EST: -5 * 60, - CDT: -5 * 60, - CST: -6 * 60, - MDT: -6 * 60, - MST: -7 * 60, - PDT: -7 * 60, - PST: -8 * 60 - }; - - function calculateOffset(obsOffset, militaryOffset, numOffset) { - if (obsOffset) { - return obsOffsets[obsOffset]; - } else if (militaryOffset) { - // the only allowed military tz is Z - return 0; - } else { - var hm = parseInt(numOffset, 10); - var m = hm % 100, h = (hm - m) / 100; - return h * 60 + m; - } - } - - // date and time from ref 2822 format - function configFromRFC2822(config) { - var match = rfc2822.exec(preprocessRFC2822(config._i)); - if (match) { - var parsedArray = extractFromRFC2822Strings(match[4], match[3], match[2], match[5], match[6], match[7]); - if (!checkWeekday(match[1], parsedArray, config)) { - return; - } - - config._a = parsedArray; - config._tzm = calculateOffset(match[8], match[9], match[10]); - - config._d = createUTCDate.apply(null, config._a); - config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); - - getParsingFlags(config).rfc2822 = true; - } else { - config._isValid = false; - } - } - - // date from iso format or fallback - function configFromString(config) { - var matched = aspNetJsonRegex.exec(config._i); - - if (matched !== null) { - config._d = new Date(+matched[1]); - return; - } - - configFromISO(config); - if (config._isValid === false) { - delete config._isValid; - } else { - return; - } - - configFromRFC2822(config); - if (config._isValid === false) { - delete config._isValid; - } else { - return; - } - - // Final attempt, use Input Fallback - hooks.createFromInputFallback(config); - } - - hooks.createFromInputFallback = deprecate( - 'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' + - 'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' + - 'discouraged and will be removed in an upcoming major release. Please refer to ' + - 'http://momentjs.com/guides/#/warnings/js-date/ for more info.', - function (config) { - config._d = new Date(config._i + (config._useUTC ? ' UTC' : '')); - } - ); - - // constant that refers to the ISO standard - hooks.ISO_8601 = function () {}; - - // constant that refers to the RFC 2822 form - hooks.RFC_2822 = function () {}; - - // date from string and format string - function configFromStringAndFormat(config) { - // TODO: Move this to another part of the creation flow to prevent circular deps - if (config._f === hooks.ISO_8601) { - configFromISO(config); - return; - } - if (config._f === hooks.RFC_2822) { - configFromRFC2822(config); - return; - } - config._a = []; - getParsingFlags(config).empty = true; - - // This array is used to make a Date, either with `new Date` or `Date.UTC` - var string = '' + config._i, - i, parsedInput, tokens, token, skipped, - stringLength = string.length, - totalParsedInputLength = 0; - - tokens = expandFormat(config._f, config._locale).match(formattingTokens) || []; - - for (i = 0; i < tokens.length; i++) { - token = tokens[i]; - parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0]; - // console.log('token', token, 'parsedInput', parsedInput, - // 'regex', getParseRegexForToken(token, config)); - if (parsedInput) { - skipped = string.substr(0, string.indexOf(parsedInput)); - if (skipped.length > 0) { - getParsingFlags(config).unusedInput.push(skipped); - } - string = string.slice(string.indexOf(parsedInput) + parsedInput.length); - totalParsedInputLength += parsedInput.length; - } - // don't parse if it's not a known token - if (formatTokenFunctions[token]) { - if (parsedInput) { - getParsingFlags(config).empty = false; - } - else { - getParsingFlags(config).unusedTokens.push(token); - } - addTimeToArrayFromToken(token, parsedInput, config); - } - else if (config._strict && !parsedInput) { - getParsingFlags(config).unusedTokens.push(token); - } - } - - // add remaining unparsed input length to the string - getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength; - if (string.length > 0) { - getParsingFlags(config).unusedInput.push(string); - } - - // clear _12h flag if hour is <= 12 - if (config._a[HOUR] <= 12 && - getParsingFlags(config).bigHour === true && - config._a[HOUR] > 0) { - getParsingFlags(config).bigHour = undefined; - } - - getParsingFlags(config).parsedDateParts = config._a.slice(0); - getParsingFlags(config).meridiem = config._meridiem; - // handle meridiem - config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem); - - configFromArray(config); - checkOverflow(config); - } - - - function meridiemFixWrap (locale, hour, meridiem) { - var isPm; - - if (meridiem == null) { - // nothing to do - return hour; - } - if (locale.meridiemHour != null) { - return locale.meridiemHour(hour, meridiem); - } else if (locale.isPM != null) { - // Fallback - isPm = locale.isPM(meridiem); - if (isPm && hour < 12) { - hour += 12; - } - if (!isPm && hour === 12) { - hour = 0; - } - return hour; - } else { - // this is not supposed to happen - return hour; - } - } - - // date from string and array of format strings - function configFromStringAndArray(config) { - var tempConfig, - bestMoment, - - scoreToBeat, - i, - currentScore; - - if (config._f.length === 0) { - getParsingFlags(config).invalidFormat = true; - config._d = new Date(NaN); - return; - } - - for (i = 0; i < config._f.length; i++) { - currentScore = 0; - tempConfig = copyConfig({}, config); - if (config._useUTC != null) { - tempConfig._useUTC = config._useUTC; - } - tempConfig._f = config._f[i]; - configFromStringAndFormat(tempConfig); - - if (!isValid(tempConfig)) { - continue; - } - - // if there is any input that was not parsed add a penalty for that format - currentScore += getParsingFlags(tempConfig).charsLeftOver; - - //or tokens - currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10; - - getParsingFlags(tempConfig).score = currentScore; - - if (scoreToBeat == null || currentScore < scoreToBeat) { - scoreToBeat = currentScore; - bestMoment = tempConfig; - } - } - - extend(config, bestMoment || tempConfig); - } - - function configFromObject(config) { - if (config._d) { - return; - } - - var i = normalizeObjectUnits(config._i); - config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) { - return obj && parseInt(obj, 10); - }); - - configFromArray(config); - } - - function createFromConfig (config) { - var res = new Moment(checkOverflow(prepareConfig(config))); - if (res._nextDay) { - // Adding is smart enough around DST - res.add(1, 'd'); - res._nextDay = undefined; - } - - return res; - } - - function prepareConfig (config) { - var input = config._i, - format = config._f; - - config._locale = config._locale || getLocale(config._l); - - if (input === null || (format === undefined && input === '')) { - return createInvalid({nullInput: true}); - } - - if (typeof input === 'string') { - config._i = input = config._locale.preparse(input); - } - - if (isMoment(input)) { - return new Moment(checkOverflow(input)); - } else if (isDate(input)) { - config._d = input; - } else if (isArray(format)) { - configFromStringAndArray(config); - } else if (format) { - configFromStringAndFormat(config); - } else { - configFromInput(config); - } - - if (!isValid(config)) { - config._d = null; - } - - return config; - } - - function configFromInput(config) { - var input = config._i; - if (isUndefined(input)) { - config._d = new Date(hooks.now()); - } else if (isDate(input)) { - config._d = new Date(input.valueOf()); - } else if (typeof input === 'string') { - configFromString(config); - } else if (isArray(input)) { - config._a = map(input.slice(0), function (obj) { - return parseInt(obj, 10); - }); - configFromArray(config); - } else if (isObject(input)) { - configFromObject(config); - } else if (isNumber(input)) { - // from milliseconds - config._d = new Date(input); - } else { - hooks.createFromInputFallback(config); - } - } - - function createLocalOrUTC (input, format, locale, strict, isUTC) { - var c = {}; - - if (locale === true || locale === false) { - strict = locale; - locale = undefined; - } - - if ((isObject(input) && isObjectEmpty(input)) || - (isArray(input) && input.length === 0)) { - input = undefined; - } - // object construction must be done this way. - // https://github.com/moment/moment/issues/1423 - c._isAMomentObject = true; - c._useUTC = c._isUTC = isUTC; - c._l = locale; - c._i = input; - c._f = format; - c._strict = strict; - - return createFromConfig(c); - } - - function createLocal (input, format, locale, strict) { - return createLocalOrUTC(input, format, locale, strict, false); - } - - var prototypeMin = deprecate( - 'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/', - function () { - var other = createLocal.apply(null, arguments); - if (this.isValid() && other.isValid()) { - return other < this ? this : other; - } else { - return createInvalid(); - } - } - ); - - var prototypeMax = deprecate( - 'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/', - function () { - var other = createLocal.apply(null, arguments); - if (this.isValid() && other.isValid()) { - return other > this ? this : other; - } else { - return createInvalid(); - } - } - ); - - // Pick a moment m from moments so that m[fn](other) is true for all - // other. This relies on the function fn to be transitive. - // - // moments should either be an array of moment objects or an array, whose - // first element is an array of moment objects. - function pickBy(fn, moments) { - var res, i; - if (moments.length === 1 && isArray(moments[0])) { - moments = moments[0]; - } - if (!moments.length) { - return createLocal(); - } - res = moments[0]; - for (i = 1; i < moments.length; ++i) { - if (!moments[i].isValid() || moments[i][fn](res)) { - res = moments[i]; - } - } - return res; - } - - // TODO: Use [].sort instead? - function min () { - var args = [].slice.call(arguments, 0); - - return pickBy('isBefore', args); - } - - function max () { - var args = [].slice.call(arguments, 0); - - return pickBy('isAfter', args); - } - - var now = function () { - return Date.now ? Date.now() : +(new Date()); - }; - - var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond']; - - function isDurationValid(m) { - for (var key in m) { - if (!(indexOf.call(ordering, key) !== -1 && (m[key] == null || !isNaN(m[key])))) { - return false; - } - } - - var unitHasDecimal = false; - for (var i = 0; i < ordering.length; ++i) { - if (m[ordering[i]]) { - if (unitHasDecimal) { - return false; // only allow non-integers for smallest unit - } - if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) { - unitHasDecimal = true; - } - } - } - - return true; - } - - function isValid$1() { - return this._isValid; - } - - function createInvalid$1() { - return createDuration(NaN); - } - - function Duration (duration) { - var normalizedInput = normalizeObjectUnits(duration), - years = normalizedInput.year || 0, - quarters = normalizedInput.quarter || 0, - months = normalizedInput.month || 0, - weeks = normalizedInput.week || normalizedInput.isoWeek || 0, - days = normalizedInput.day || 0, - hours = normalizedInput.hour || 0, - minutes = normalizedInput.minute || 0, - seconds = normalizedInput.second || 0, - milliseconds = normalizedInput.millisecond || 0; - - this._isValid = isDurationValid(normalizedInput); - - // representation for dateAddRemove - this._milliseconds = +milliseconds + - seconds * 1e3 + // 1000 - minutes * 6e4 + // 1000 * 60 - hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978 - // Because of dateAddRemove treats 24 hours as different from a - // day when working around DST, we need to store them separately - this._days = +days + - weeks * 7; - // It is impossible to translate months into days without knowing - // which months you are are talking about, so we have to store - // it separately. - this._months = +months + - quarters * 3 + - years * 12; - - this._data = {}; - - this._locale = getLocale(); - - this._bubble(); - } - - function isDuration (obj) { - return obj instanceof Duration; - } - - function absRound (number) { - if (number < 0) { - return Math.round(-1 * number) * -1; - } else { - return Math.round(number); - } - } - - // FORMATTING - - function offset (token, separator) { - addFormatToken(token, 0, 0, function () { - var offset = this.utcOffset(); - var sign = '+'; - if (offset < 0) { - offset = -offset; - sign = '-'; - } - return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2); - }); - } - - offset('Z', ':'); - offset('ZZ', ''); - - // PARSING - - addRegexToken('Z', matchShortOffset); - addRegexToken('ZZ', matchShortOffset); - addParseToken(['Z', 'ZZ'], function (input, array, config) { - config._useUTC = true; - config._tzm = offsetFromString(matchShortOffset, input); - }); - - // HELPERS - - // timezone chunker - // '+10:00' > ['10', '00'] - // '-1530' > ['-15', '30'] - var chunkOffset = /([\+\-]|\d\d)/gi; - - function offsetFromString(matcher, string) { - var matches = (string || '').match(matcher); - - if (matches === null) { - return null; - } - - var chunk = matches[matches.length - 1] || []; - var parts = (chunk + '').match(chunkOffset) || ['-', 0, 0]; - var minutes = +(parts[1] * 60) + toInt(parts[2]); - - return minutes === 0 ? - 0 : - parts[0] === '+' ? minutes : -minutes; - } - - // Return a moment from input, that is local/utc/zone equivalent to model. - function cloneWithOffset(input, model) { - var res, diff; - if (model._isUTC) { - res = model.clone(); - diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf(); - // Use low-level api, because this fn is low-level api. - res._d.setTime(res._d.valueOf() + diff); - hooks.updateOffset(res, false); - return res; - } else { - return createLocal(input).local(); - } - } - - function getDateOffset (m) { - // On Firefox.24 Date#getTimezoneOffset returns a floating point. - // https://github.com/moment/moment/pull/1871 - return -Math.round(m._d.getTimezoneOffset() / 15) * 15; - } - - // HOOKS - - // This function will be called whenever a moment is mutated. - // It is intended to keep the offset in sync with the timezone. - hooks.updateOffset = function () {}; - - // MOMENTS - - // keepLocalTime = true means only change the timezone, without - // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]--> - // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset - // +0200, so we adjust the time as needed, to be valid. - // - // Keeping the time actually adds/subtracts (one hour) - // from the actual represented time. That is why we call updateOffset - // a second time. In case it wants us to change the offset again - // _changeInProgress == true case, then we have to adjust, because - // there is no such time in the given timezone. - function getSetOffset (input, keepLocalTime, keepMinutes) { - var offset = this._offset || 0, - localAdjust; - if (!this.isValid()) { - return input != null ? this : NaN; - } - if (input != null) { - if (typeof input === 'string') { - input = offsetFromString(matchShortOffset, input); - if (input === null) { - return this; - } - } else if (Math.abs(input) < 16 && !keepMinutes) { - input = input * 60; - } - if (!this._isUTC && keepLocalTime) { - localAdjust = getDateOffset(this); - } - this._offset = input; - this._isUTC = true; - if (localAdjust != null) { - this.add(localAdjust, 'm'); - } - if (offset !== input) { - if (!keepLocalTime || this._changeInProgress) { - addSubtract(this, createDuration(input - offset, 'm'), 1, false); - } else if (!this._changeInProgress) { - this._changeInProgress = true; - hooks.updateOffset(this, true); - this._changeInProgress = null; - } - } - return this; - } else { - return this._isUTC ? offset : getDateOffset(this); - } - } - - function getSetZone (input, keepLocalTime) { - if (input != null) { - if (typeof input !== 'string') { - input = -input; - } - - this.utcOffset(input, keepLocalTime); - - return this; - } else { - return -this.utcOffset(); - } - } - - function setOffsetToUTC (keepLocalTime) { - return this.utcOffset(0, keepLocalTime); - } - - function setOffsetToLocal (keepLocalTime) { - if (this._isUTC) { - this.utcOffset(0, keepLocalTime); - this._isUTC = false; - - if (keepLocalTime) { - this.subtract(getDateOffset(this), 'm'); - } - } - return this; - } - - function setOffsetToParsedOffset () { - if (this._tzm != null) { - this.utcOffset(this._tzm, false, true); - } else if (typeof this._i === 'string') { - var tZone = offsetFromString(matchOffset, this._i); - if (tZone != null) { - this.utcOffset(tZone); - } - else { - this.utcOffset(0, true); - } - } - return this; - } - - function hasAlignedHourOffset (input) { - if (!this.isValid()) { - return false; - } - input = input ? createLocal(input).utcOffset() : 0; - - return (this.utcOffset() - input) % 60 === 0; - } - - function isDaylightSavingTime () { - return ( - this.utcOffset() > this.clone().month(0).utcOffset() || - this.utcOffset() > this.clone().month(5).utcOffset() - ); - } - - function isDaylightSavingTimeShifted () { - if (!isUndefined(this._isDSTShifted)) { - return this._isDSTShifted; - } - - var c = {}; - - copyConfig(c, this); - c = prepareConfig(c); - - if (c._a) { - var other = c._isUTC ? createUTC(c._a) : createLocal(c._a); - this._isDSTShifted = this.isValid() && - compareArrays(c._a, other.toArray()) > 0; - } else { - this._isDSTShifted = false; - } - - return this._isDSTShifted; - } - - function isLocal () { - return this.isValid() ? !this._isUTC : false; - } - - function isUtcOffset () { - return this.isValid() ? this._isUTC : false; - } - - function isUtc () { - return this.isValid() ? this._isUTC && this._offset === 0 : false; - } - - // ASP.NET json date format regex - var aspNetRegex = /^(\-|\+)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/; - - // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html - // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere - // and further modified to allow for strings containing both week and day - var isoRegex = /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/; - - function createDuration (input, key) { - var duration = input, - // matching against regexp is expensive, do it on demand - match = null, - sign, - ret, - diffRes; - - if (isDuration(input)) { - duration = { - ms : input._milliseconds, - d : input._days, - M : input._months - }; - } else if (isNumber(input)) { - duration = {}; - if (key) { - duration[key] = input; - } else { - duration.milliseconds = input; - } - } else if (!!(match = aspNetRegex.exec(input))) { - sign = (match[1] === '-') ? -1 : 1; - duration = { - y : 0, - d : toInt(match[DATE]) * sign, - h : toInt(match[HOUR]) * sign, - m : toInt(match[MINUTE]) * sign, - s : toInt(match[SECOND]) * sign, - ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match - }; - } else if (!!(match = isoRegex.exec(input))) { - sign = (match[1] === '-') ? -1 : 1; - duration = { - y : parseIso(match[2], sign), - M : parseIso(match[3], sign), - w : parseIso(match[4], sign), - d : parseIso(match[5], sign), - h : parseIso(match[6], sign), - m : parseIso(match[7], sign), - s : parseIso(match[8], sign) - }; - } else if (duration == null) {// checks for null or undefined - duration = {}; - } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) { - diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to)); - - duration = {}; - duration.ms = diffRes.milliseconds; - duration.M = diffRes.months; - } - - ret = new Duration(duration); - - if (isDuration(input) && hasOwnProp(input, '_locale')) { - ret._locale = input._locale; - } - - return ret; - } - - createDuration.fn = Duration.prototype; - createDuration.invalid = createInvalid$1; - - function parseIso (inp, sign) { - // We'd normally use ~~inp for this, but unfortunately it also - // converts floats to ints. - // inp may be undefined, so careful calling replace on it. - var res = inp && parseFloat(inp.replace(',', '.')); - // apply sign while we're at it - return (isNaN(res) ? 0 : res) * sign; - } - - function positiveMomentsDifference(base, other) { - var res = {}; - - res.months = other.month() - base.month() + - (other.year() - base.year()) * 12; - if (base.clone().add(res.months, 'M').isAfter(other)) { - --res.months; - } - - res.milliseconds = +other - +(base.clone().add(res.months, 'M')); - - return res; - } - - function momentsDifference(base, other) { - var res; - if (!(base.isValid() && other.isValid())) { - return {milliseconds: 0, months: 0}; - } - - other = cloneWithOffset(other, base); - if (base.isBefore(other)) { - res = positiveMomentsDifference(base, other); - } else { - res = positiveMomentsDifference(other, base); - res.milliseconds = -res.milliseconds; - res.months = -res.months; - } - - return res; - } - - // TODO: remove 'name' arg after deprecation is removed - function createAdder(direction, name) { - return function (val, period) { - var dur, tmp; - //invert the arguments, but complain about it - if (period !== null && !isNaN(+period)) { - deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' + - 'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.'); - tmp = val; val = period; period = tmp; - } - - val = typeof val === 'string' ? +val : val; - dur = createDuration(val, period); - addSubtract(this, dur, direction); - return this; - }; - } - - function addSubtract (mom, duration, isAdding, updateOffset) { - var milliseconds = duration._milliseconds, - days = absRound(duration._days), - months = absRound(duration._months); - - if (!mom.isValid()) { - // No op - return; - } - - updateOffset = updateOffset == null ? true : updateOffset; - - if (months) { - setMonth(mom, get(mom, 'Month') + months * isAdding); - } - if (days) { - set$1(mom, 'Date', get(mom, 'Date') + days * isAdding); - } - if (milliseconds) { - mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding); - } - if (updateOffset) { - hooks.updateOffset(mom, days || months); - } - } - - var add = createAdder(1, 'add'); - var subtract = createAdder(-1, 'subtract'); - - function getCalendarFormat(myMoment, now) { - var diff = myMoment.diff(now, 'days', true); - return diff < -6 ? 'sameElse' : - diff < -1 ? 'lastWeek' : - diff < 0 ? 'lastDay' : - diff < 1 ? 'sameDay' : - diff < 2 ? 'nextDay' : - diff < 7 ? 'nextWeek' : 'sameElse'; - } - - function calendar$1 (time, formats) { - // We want to compare the start of today, vs this. - // Getting start-of-today depends on whether we're local/utc/offset or not. - var now = time || createLocal(), - sod = cloneWithOffset(now, this).startOf('day'), - format = hooks.calendarFormat(this, sod) || 'sameElse'; - - var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]); - - return this.format(output || this.localeData().calendar(format, this, createLocal(now))); - } - - function clone () { - return new Moment(this); - } - - function isAfter (input, units) { - var localInput = isMoment(input) ? input : createLocal(input); - if (!(this.isValid() && localInput.isValid())) { - return false; - } - units = normalizeUnits(units) || 'millisecond'; - if (units === 'millisecond') { - return this.valueOf() > localInput.valueOf(); - } else { - return localInput.valueOf() < this.clone().startOf(units).valueOf(); - } - } - - function isBefore (input, units) { - var localInput = isMoment(input) ? input : createLocal(input); - if (!(this.isValid() && localInput.isValid())) { - return false; - } - units = normalizeUnits(units) || 'millisecond'; - if (units === 'millisecond') { - return this.valueOf() < localInput.valueOf(); - } else { - return this.clone().endOf(units).valueOf() < localInput.valueOf(); - } - } - - function isBetween (from, to, units, inclusivity) { - var localFrom = isMoment(from) ? from : createLocal(from), - localTo = isMoment(to) ? to : createLocal(to); - if (!(this.isValid() && localFrom.isValid() && localTo.isValid())) { - return false; - } - inclusivity = inclusivity || '()'; - return (inclusivity[0] === '(' ? this.isAfter(localFrom, units) : !this.isBefore(localFrom, units)) && - (inclusivity[1] === ')' ? this.isBefore(localTo, units) : !this.isAfter(localTo, units)); - } - - function isSame (input, units) { - var localInput = isMoment(input) ? input : createLocal(input), - inputMs; - if (!(this.isValid() && localInput.isValid())) { - return false; - } - units = normalizeUnits(units) || 'millisecond'; - if (units === 'millisecond') { - return this.valueOf() === localInput.valueOf(); - } else { - inputMs = localInput.valueOf(); - return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf(); - } - } - - function isSameOrAfter (input, units) { - return this.isSame(input, units) || this.isAfter(input, units); - } - - function isSameOrBefore (input, units) { - return this.isSame(input, units) || this.isBefore(input, units); - } - - function diff (input, units, asFloat) { - var that, - zoneDelta, - output; - - if (!this.isValid()) { - return NaN; - } - - that = cloneWithOffset(input, this); - - if (!that.isValid()) { - return NaN; - } - - zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4; - - units = normalizeUnits(units); - - switch (units) { - case 'year': output = monthDiff(this, that) / 12; break; - case 'month': output = monthDiff(this, that); break; - case 'quarter': output = monthDiff(this, that) / 3; break; - case 'second': output = (this - that) / 1e3; break; // 1000 - case 'minute': output = (this - that) / 6e4; break; // 1000 * 60 - case 'hour': output = (this - that) / 36e5; break; // 1000 * 60 * 60 - case 'day': output = (this - that - zoneDelta) / 864e5; break; // 1000 * 60 * 60 * 24, negate dst - case 'week': output = (this - that - zoneDelta) / 6048e5; break; // 1000 * 60 * 60 * 24 * 7, negate dst - default: output = this - that; - } - - return asFloat ? output : absFloor(output); - } - - function monthDiff (a, b) { - // difference in months - var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()), - // b is in (anchor - 1 month, anchor + 1 month) - anchor = a.clone().add(wholeMonthDiff, 'months'), - anchor2, adjust; - - if (b - anchor < 0) { - anchor2 = a.clone().add(wholeMonthDiff - 1, 'months'); - // linear across the month - adjust = (b - anchor) / (anchor - anchor2); - } else { - anchor2 = a.clone().add(wholeMonthDiff + 1, 'months'); - // linear across the month - adjust = (b - anchor) / (anchor2 - anchor); - } - - //check for negative zero, return zero if negative zero - return -(wholeMonthDiff + adjust) || 0; - } - - hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ'; - hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]'; - - function toString () { - return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); - } - - function toISOString(keepOffset) { - if (!this.isValid()) { - return null; - } - var utc = keepOffset !== true; - var m = utc ? this.clone().utc() : this; - if (m.year() < 0 || m.year() > 9999) { - return formatMoment(m, utc ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ'); - } - if (isFunction(Date.prototype.toISOString)) { - // native implementation is ~50x faster, use it when we can - if (utc) { - return this.toDate().toISOString(); - } else { - return new Date(this.valueOf() + this.utcOffset() * 60 * 1000).toISOString().replace('Z', formatMoment(m, 'Z')); - } - } - return formatMoment(m, utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ'); - } - - /** - * Return a human readable representation of a moment that can - * also be evaluated to get a new moment which is the same - * - * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects - */ - function inspect () { - if (!this.isValid()) { - return 'moment.invalid(/* ' + this._i + ' */)'; - } - var func = 'moment'; - var zone = ''; - if (!this.isLocal()) { - func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone'; - zone = 'Z'; - } - var prefix = '[' + func + '("]'; - var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY'; - var datetime = '-MM-DD[T]HH:mm:ss.SSS'; - var suffix = zone + '[")]'; - - return this.format(prefix + year + datetime + suffix); - } - - function format (inputString) { - if (!inputString) { - inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat; - } - var output = formatMoment(this, inputString); - return this.localeData().postformat(output); - } - - function from (time, withoutSuffix) { - if (this.isValid() && - ((isMoment(time) && time.isValid()) || - createLocal(time).isValid())) { - return createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix); - } else { - return this.localeData().invalidDate(); - } - } - - function fromNow (withoutSuffix) { - return this.from(createLocal(), withoutSuffix); - } - - function to (time, withoutSuffix) { - if (this.isValid() && - ((isMoment(time) && time.isValid()) || - createLocal(time).isValid())) { - return createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix); - } else { - return this.localeData().invalidDate(); - } - } - - function toNow (withoutSuffix) { - return this.to(createLocal(), withoutSuffix); - } - - // If passed a locale key, it will set the locale for this - // instance. Otherwise, it will return the locale configuration - // variables for this instance. - function locale (key) { - var newLocaleData; - - if (key === undefined) { - return this._locale._abbr; - } else { - newLocaleData = getLocale(key); - if (newLocaleData != null) { - this._locale = newLocaleData; - } - return this; - } - } - - var lang = deprecate( - 'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.', - function (key) { - if (key === undefined) { - return this.localeData(); - } else { - return this.locale(key); - } - } - ); - - function localeData () { - return this._locale; - } - - var MS_PER_SECOND = 1000; - var MS_PER_MINUTE = 60 * MS_PER_SECOND; - var MS_PER_HOUR = 60 * MS_PER_MINUTE; - var MS_PER_400_YEARS = (365 * 400 + 97) * 24 * MS_PER_HOUR; - - // actual modulo - handles negative numbers (for dates before 1970): - function mod$1(dividend, divisor) { - return (dividend % divisor + divisor) % divisor; - } - - function localStartOfDate(y, m, d) { - // the date constructor remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0) { - // preserve leap years using a full 400 year cycle, then reset - return new Date(y + 400, m, d) - MS_PER_400_YEARS; - } else { - return new Date(y, m, d).valueOf(); - } - } - - function utcStartOfDate(y, m, d) { - // Date.UTC remaps years 0-99 to 1900-1999 - if (y < 100 && y >= 0) { - // preserve leap years using a full 400 year cycle, then reset - return Date.UTC(y + 400, m, d) - MS_PER_400_YEARS; - } else { - return Date.UTC(y, m, d); - } - } - - function startOf (units) { - var time; - units = normalizeUnits(units); - if (units === undefined || units === 'millisecond' || !this.isValid()) { - return this; - } - - var startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate; - - switch (units) { - case 'year': - time = startOfDate(this.year(), 0, 1); - break; - case 'quarter': - time = startOfDate(this.year(), this.month() - this.month() % 3, 1); - break; - case 'month': - time = startOfDate(this.year(), this.month(), 1); - break; - case 'week': - time = startOfDate(this.year(), this.month(), this.date() - this.weekday()); - break; - case 'isoWeek': - time = startOfDate(this.year(), this.month(), this.date() - (this.isoWeekday() - 1)); - break; - case 'day': - case 'date': - time = startOfDate(this.year(), this.month(), this.date()); - break; - case 'hour': - time = this._d.valueOf(); - time -= mod$1(time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE), MS_PER_HOUR); - break; - case 'minute': - time = this._d.valueOf(); - time -= mod$1(time, MS_PER_MINUTE); - break; - case 'second': - time = this._d.valueOf(); - time -= mod$1(time, MS_PER_SECOND); - break; - } - - this._d.setTime(time); - hooks.updateOffset(this, true); - return this; - } - - function endOf (units) { - var time; - units = normalizeUnits(units); - if (units === undefined || units === 'millisecond' || !this.isValid()) { - return this; - } - - var startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate; - - switch (units) { - case 'year': - time = startOfDate(this.year() + 1, 0, 1) - 1; - break; - case 'quarter': - time = startOfDate(this.year(), this.month() - this.month() % 3 + 3, 1) - 1; - break; - case 'month': - time = startOfDate(this.year(), this.month() + 1, 1) - 1; - break; - case 'week': - time = startOfDate(this.year(), this.month(), this.date() - this.weekday() + 7) - 1; - break; - case 'isoWeek': - time = startOfDate(this.year(), this.month(), this.date() - (this.isoWeekday() - 1) + 7) - 1; - break; - case 'day': - case 'date': - time = startOfDate(this.year(), this.month(), this.date() + 1) - 1; - break; - case 'hour': - time = this._d.valueOf(); - time += MS_PER_HOUR - mod$1(time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE), MS_PER_HOUR) - 1; - break; - case 'minute': - time = this._d.valueOf(); - time += MS_PER_MINUTE - mod$1(time, MS_PER_MINUTE) - 1; - break; - case 'second': - time = this._d.valueOf(); - time += MS_PER_SECOND - mod$1(time, MS_PER_SECOND) - 1; - break; - } - - this._d.setTime(time); - hooks.updateOffset(this, true); - return this; - } - - function valueOf () { - return this._d.valueOf() - ((this._offset || 0) * 60000); - } - - function unix () { - return Math.floor(this.valueOf() / 1000); - } - - function toDate () { - return new Date(this.valueOf()); - } - - function toArray () { - var m = this; - return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()]; - } - - function toObject () { - var m = this; - return { - years: m.year(), - months: m.month(), - date: m.date(), - hours: m.hours(), - minutes: m.minutes(), - seconds: m.seconds(), - milliseconds: m.milliseconds() - }; - } - - function toJSON () { - // new Date(NaN).toJSON() === null - return this.isValid() ? this.toISOString() : null; - } - - function isValid$2 () { - return isValid(this); - } - - function parsingFlags () { - return extend({}, getParsingFlags(this)); - } - - function invalidAt () { - return getParsingFlags(this).overflow; - } - - function creationData() { - return { - input: this._i, - format: this._f, - locale: this._locale, - isUTC: this._isUTC, - strict: this._strict - }; - } - - // FORMATTING - - addFormatToken(0, ['gg', 2], 0, function () { - return this.weekYear() % 100; - }); - - addFormatToken(0, ['GG', 2], 0, function () { - return this.isoWeekYear() % 100; - }); - - function addWeekYearFormatToken (token, getter) { - addFormatToken(0, [token, token.length], 0, getter); - } - - addWeekYearFormatToken('gggg', 'weekYear'); - addWeekYearFormatToken('ggggg', 'weekYear'); - addWeekYearFormatToken('GGGG', 'isoWeekYear'); - addWeekYearFormatToken('GGGGG', 'isoWeekYear'); - - // ALIASES - - addUnitAlias('weekYear', 'gg'); - addUnitAlias('isoWeekYear', 'GG'); - - // PRIORITY - - addUnitPriority('weekYear', 1); - addUnitPriority('isoWeekYear', 1); - - - // PARSING - - addRegexToken('G', matchSigned); - addRegexToken('g', matchSigned); - addRegexToken('GG', match1to2, match2); - addRegexToken('gg', match1to2, match2); - addRegexToken('GGGG', match1to4, match4); - addRegexToken('gggg', match1to4, match4); - addRegexToken('GGGGG', match1to6, match6); - addRegexToken('ggggg', match1to6, match6); - - addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) { - week[token.substr(0, 2)] = toInt(input); - }); - - addWeekParseToken(['gg', 'GG'], function (input, week, config, token) { - week[token] = hooks.parseTwoDigitYear(input); - }); - - // MOMENTS - - function getSetWeekYear (input) { - return getSetWeekYearHelper.call(this, - input, - this.week(), - this.weekday(), - this.localeData()._week.dow, - this.localeData()._week.doy); - } - - function getSetISOWeekYear (input) { - return getSetWeekYearHelper.call(this, - input, this.isoWeek(), this.isoWeekday(), 1, 4); - } - - function getISOWeeksInYear () { - return weeksInYear(this.year(), 1, 4); - } - - function getWeeksInYear () { - var weekInfo = this.localeData()._week; - return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); - } - - function getSetWeekYearHelper(input, week, weekday, dow, doy) { - var weeksTarget; - if (input == null) { - return weekOfYear(this, dow, doy).year; - } else { - weeksTarget = weeksInYear(input, dow, doy); - if (week > weeksTarget) { - week = weeksTarget; - } - return setWeekAll.call(this, input, week, weekday, dow, doy); - } - } - - function setWeekAll(weekYear, week, weekday, dow, doy) { - var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy), - date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear); - - this.year(date.getUTCFullYear()); - this.month(date.getUTCMonth()); - this.date(date.getUTCDate()); - return this; - } - - // FORMATTING - - addFormatToken('Q', 0, 'Qo', 'quarter'); - - // ALIASES - - addUnitAlias('quarter', 'Q'); - - // PRIORITY - - addUnitPriority('quarter', 7); - - // PARSING - - addRegexToken('Q', match1); - addParseToken('Q', function (input, array) { - array[MONTH] = (toInt(input) - 1) * 3; - }); - - // MOMENTS - - function getSetQuarter (input) { - return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3); - } - - // FORMATTING - - addFormatToken('D', ['DD', 2], 'Do', 'date'); - - // ALIASES - - addUnitAlias('date', 'D'); - - // PRIORITY - addUnitPriority('date', 9); - - // PARSING - - addRegexToken('D', match1to2); - addRegexToken('DD', match1to2, match2); - addRegexToken('Do', function (isStrict, locale) { - // TODO: Remove "ordinalParse" fallback in next major release. - return isStrict ? - (locale._dayOfMonthOrdinalParse || locale._ordinalParse) : - locale._dayOfMonthOrdinalParseLenient; - }); - - addParseToken(['D', 'DD'], DATE); - addParseToken('Do', function (input, array) { - array[DATE] = toInt(input.match(match1to2)[0]); - }); - - // MOMENTS - - var getSetDayOfMonth = makeGetSet('Date', true); - - // FORMATTING - - addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear'); - - // ALIASES - - addUnitAlias('dayOfYear', 'DDD'); - - // PRIORITY - addUnitPriority('dayOfYear', 4); - - // PARSING - - addRegexToken('DDD', match1to3); - addRegexToken('DDDD', match3); - addParseToken(['DDD', 'DDDD'], function (input, array, config) { - config._dayOfYear = toInt(input); - }); - - // HELPERS - - // MOMENTS - - function getSetDayOfYear (input) { - var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1; - return input == null ? dayOfYear : this.add((input - dayOfYear), 'd'); - } - - // FORMATTING - - addFormatToken('m', ['mm', 2], 0, 'minute'); - - // ALIASES - - addUnitAlias('minute', 'm'); - - // PRIORITY - - addUnitPriority('minute', 14); - - // PARSING - - addRegexToken('m', match1to2); - addRegexToken('mm', match1to2, match2); - addParseToken(['m', 'mm'], MINUTE); - - // MOMENTS - - var getSetMinute = makeGetSet('Minutes', false); - - // FORMATTING - - addFormatToken('s', ['ss', 2], 0, 'second'); - - // ALIASES - - addUnitAlias('second', 's'); - - // PRIORITY - - addUnitPriority('second', 15); - - // PARSING - - addRegexToken('s', match1to2); - addRegexToken('ss', match1to2, match2); - addParseToken(['s', 'ss'], SECOND); - - // MOMENTS - - var getSetSecond = makeGetSet('Seconds', false); - - // FORMATTING - - addFormatToken('S', 0, 0, function () { - return ~~(this.millisecond() / 100); - }); - - addFormatToken(0, ['SS', 2], 0, function () { - return ~~(this.millisecond() / 10); - }); - - addFormatToken(0, ['SSS', 3], 0, 'millisecond'); - addFormatToken(0, ['SSSS', 4], 0, function () { - return this.millisecond() * 10; - }); - addFormatToken(0, ['SSSSS', 5], 0, function () { - return this.millisecond() * 100; - }); - addFormatToken(0, ['SSSSSS', 6], 0, function () { - return this.millisecond() * 1000; - }); - addFormatToken(0, ['SSSSSSS', 7], 0, function () { - return this.millisecond() * 10000; - }); - addFormatToken(0, ['SSSSSSSS', 8], 0, function () { - return this.millisecond() * 100000; - }); - addFormatToken(0, ['SSSSSSSSS', 9], 0, function () { - return this.millisecond() * 1000000; - }); - - - // ALIASES - - addUnitAlias('millisecond', 'ms'); - - // PRIORITY - - addUnitPriority('millisecond', 16); - - // PARSING - - addRegexToken('S', match1to3, match1); - addRegexToken('SS', match1to3, match2); - addRegexToken('SSS', match1to3, match3); - - var token; - for (token = 'SSSS'; token.length <= 9; token += 'S') { - addRegexToken(token, matchUnsigned); - } - - function parseMs(input, array) { - array[MILLISECOND] = toInt(('0.' + input) * 1000); - } - - for (token = 'S'; token.length <= 9; token += 'S') { - addParseToken(token, parseMs); - } - // MOMENTS - - var getSetMillisecond = makeGetSet('Milliseconds', false); - - // FORMATTING - - addFormatToken('z', 0, 0, 'zoneAbbr'); - addFormatToken('zz', 0, 0, 'zoneName'); - - // MOMENTS - - function getZoneAbbr () { - return this._isUTC ? 'UTC' : ''; - } - - function getZoneName () { - return this._isUTC ? 'Coordinated Universal Time' : ''; - } - - var proto = Moment.prototype; - - proto.add = add; - proto.calendar = calendar$1; - proto.clone = clone; - proto.diff = diff; - proto.endOf = endOf; - proto.format = format; - proto.from = from; - proto.fromNow = fromNow; - proto.to = to; - proto.toNow = toNow; - proto.get = stringGet; - proto.invalidAt = invalidAt; - proto.isAfter = isAfter; - proto.isBefore = isBefore; - proto.isBetween = isBetween; - proto.isSame = isSame; - proto.isSameOrAfter = isSameOrAfter; - proto.isSameOrBefore = isSameOrBefore; - proto.isValid = isValid$2; - proto.lang = lang; - proto.locale = locale; - proto.localeData = localeData; - proto.max = prototypeMax; - proto.min = prototypeMin; - proto.parsingFlags = parsingFlags; - proto.set = stringSet; - proto.startOf = startOf; - proto.subtract = subtract; - proto.toArray = toArray; - proto.toObject = toObject; - proto.toDate = toDate; - proto.toISOString = toISOString; - proto.inspect = inspect; - proto.toJSON = toJSON; - proto.toString = toString; - proto.unix = unix; - proto.valueOf = valueOf; - proto.creationData = creationData; - proto.year = getSetYear; - proto.isLeapYear = getIsLeapYear; - proto.weekYear = getSetWeekYear; - proto.isoWeekYear = getSetISOWeekYear; - proto.quarter = proto.quarters = getSetQuarter; - proto.month = getSetMonth; - proto.daysInMonth = getDaysInMonth; - proto.week = proto.weeks = getSetWeek; - proto.isoWeek = proto.isoWeeks = getSetISOWeek; - proto.weeksInYear = getWeeksInYear; - proto.isoWeeksInYear = getISOWeeksInYear; - proto.date = getSetDayOfMonth; - proto.day = proto.days = getSetDayOfWeek; - proto.weekday = getSetLocaleDayOfWeek; - proto.isoWeekday = getSetISODayOfWeek; - proto.dayOfYear = getSetDayOfYear; - proto.hour = proto.hours = getSetHour; - proto.minute = proto.minutes = getSetMinute; - proto.second = proto.seconds = getSetSecond; - proto.millisecond = proto.milliseconds = getSetMillisecond; - proto.utcOffset = getSetOffset; - proto.utc = setOffsetToUTC; - proto.local = setOffsetToLocal; - proto.parseZone = setOffsetToParsedOffset; - proto.hasAlignedHourOffset = hasAlignedHourOffset; - proto.isDST = isDaylightSavingTime; - proto.isLocal = isLocal; - proto.isUtcOffset = isUtcOffset; - proto.isUtc = isUtc; - proto.isUTC = isUtc; - proto.zoneAbbr = getZoneAbbr; - proto.zoneName = getZoneName; - proto.dates = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth); - proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth); - proto.years = deprecate('years accessor is deprecated. Use year instead', getSetYear); - proto.zone = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone); - proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted); - - function createUnix (input) { - return createLocal(input * 1000); - } - - function createInZone () { - return createLocal.apply(null, arguments).parseZone(); - } - - function preParsePostFormat (string) { - return string; - } - - var proto$1 = Locale.prototype; - - proto$1.calendar = calendar; - proto$1.longDateFormat = longDateFormat; - proto$1.invalidDate = invalidDate; - proto$1.ordinal = ordinal; - proto$1.preparse = preParsePostFormat; - proto$1.postformat = preParsePostFormat; - proto$1.relativeTime = relativeTime; - proto$1.pastFuture = pastFuture; - proto$1.set = set; - - proto$1.months = localeMonths; - proto$1.monthsShort = localeMonthsShort; - proto$1.monthsParse = localeMonthsParse; - proto$1.monthsRegex = monthsRegex; - proto$1.monthsShortRegex = monthsShortRegex; - proto$1.week = localeWeek; - proto$1.firstDayOfYear = localeFirstDayOfYear; - proto$1.firstDayOfWeek = localeFirstDayOfWeek; - - proto$1.weekdays = localeWeekdays; - proto$1.weekdaysMin = localeWeekdaysMin; - proto$1.weekdaysShort = localeWeekdaysShort; - proto$1.weekdaysParse = localeWeekdaysParse; - - proto$1.weekdaysRegex = weekdaysRegex; - proto$1.weekdaysShortRegex = weekdaysShortRegex; - proto$1.weekdaysMinRegex = weekdaysMinRegex; - - proto$1.isPM = localeIsPM; - proto$1.meridiem = localeMeridiem; - - function get$1 (format, index, field, setter) { - var locale = getLocale(); - var utc = createUTC().set(setter, index); - return locale[field](utc, format); - } - - function listMonthsImpl (format, index, field) { - if (isNumber(format)) { - index = format; - format = undefined; - } - - format = format || ''; - - if (index != null) { - return get$1(format, index, field, 'month'); - } - - var i; - var out = []; - for (i = 0; i < 12; i++) { - out[i] = get$1(format, i, field, 'month'); - } - return out; - } - - // () - // (5) - // (fmt, 5) - // (fmt) - // (true) - // (true, 5) - // (true, fmt, 5) - // (true, fmt) - function listWeekdaysImpl (localeSorted, format, index, field) { - if (typeof localeSorted === 'boolean') { - if (isNumber(format)) { - index = format; - format = undefined; - } - - format = format || ''; - } else { - format = localeSorted; - index = format; - localeSorted = false; - - if (isNumber(format)) { - index = format; - format = undefined; - } - - format = format || ''; - } - - var locale = getLocale(), - shift = localeSorted ? locale._week.dow : 0; - - if (index != null) { - return get$1(format, (index + shift) % 7, field, 'day'); - } - - var i; - var out = []; - for (i = 0; i < 7; i++) { - out[i] = get$1(format, (i + shift) % 7, field, 'day'); - } - return out; - } - - function listMonths (format, index) { - return listMonthsImpl(format, index, 'months'); - } - - function listMonthsShort (format, index) { - return listMonthsImpl(format, index, 'monthsShort'); - } - - function listWeekdays (localeSorted, format, index) { - return listWeekdaysImpl(localeSorted, format, index, 'weekdays'); - } - - function listWeekdaysShort (localeSorted, format, index) { - return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort'); - } - - function listWeekdaysMin (localeSorted, format, index) { - return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin'); - } - - getSetGlobalLocale('en', { - dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/, - ordinal : function (number) { - var b = number % 10, - output = (toInt(number % 100 / 10) === 1) ? 'th' : - (b === 1) ? 'st' : - (b === 2) ? 'nd' : - (b === 3) ? 'rd' : 'th'; - return number + output; - } - }); - - // Side effect imports - - hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale); - hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale); - - var mathAbs = Math.abs; - - function abs () { - var data = this._data; - - this._milliseconds = mathAbs(this._milliseconds); - this._days = mathAbs(this._days); - this._months = mathAbs(this._months); - - data.milliseconds = mathAbs(data.milliseconds); - data.seconds = mathAbs(data.seconds); - data.minutes = mathAbs(data.minutes); - data.hours = mathAbs(data.hours); - data.months = mathAbs(data.months); - data.years = mathAbs(data.years); - - return this; - } - - function addSubtract$1 (duration, input, value, direction) { - var other = createDuration(input, value); - - duration._milliseconds += direction * other._milliseconds; - duration._days += direction * other._days; - duration._months += direction * other._months; - - return duration._bubble(); - } - - // supports only 2.0-style add(1, 's') or add(duration) - function add$1 (input, value) { - return addSubtract$1(this, input, value, 1); - } - - // supports only 2.0-style subtract(1, 's') or subtract(duration) - function subtract$1 (input, value) { - return addSubtract$1(this, input, value, -1); - } - - function absCeil (number) { - if (number < 0) { - return Math.floor(number); - } else { - return Math.ceil(number); - } - } - - function bubble () { - var milliseconds = this._milliseconds; - var days = this._days; - var months = this._months; - var data = this._data; - var seconds, minutes, hours, years, monthsFromDays; - - // if we have a mix of positive and negative values, bubble down first - // check: https://github.com/moment/moment/issues/2166 - if (!((milliseconds >= 0 && days >= 0 && months >= 0) || - (milliseconds <= 0 && days <= 0 && months <= 0))) { - milliseconds += absCeil(monthsToDays(months) + days) * 864e5; - days = 0; - months = 0; - } - - // The following code bubbles up values, see the tests for - // examples of what that means. - data.milliseconds = milliseconds % 1000; - - seconds = absFloor(milliseconds / 1000); - data.seconds = seconds % 60; - - minutes = absFloor(seconds / 60); - data.minutes = minutes % 60; - - hours = absFloor(minutes / 60); - data.hours = hours % 24; - - days += absFloor(hours / 24); - - // convert days to months - monthsFromDays = absFloor(daysToMonths(days)); - months += monthsFromDays; - days -= absCeil(monthsToDays(monthsFromDays)); - - // 12 months -> 1 year - years = absFloor(months / 12); - months %= 12; - - data.days = days; - data.months = months; - data.years = years; - - return this; - } - - function daysToMonths (days) { - // 400 years have 146097 days (taking into account leap year rules) - // 400 years have 12 months === 4800 - return days * 4800 / 146097; - } - - function monthsToDays (months) { - // the reverse of daysToMonths - return months * 146097 / 4800; - } - - function as (units) { - if (!this.isValid()) { - return NaN; - } - var days; - var months; - var milliseconds = this._milliseconds; - - units = normalizeUnits(units); - - if (units === 'month' || units === 'quarter' || units === 'year') { - days = this._days + milliseconds / 864e5; - months = this._months + daysToMonths(days); - switch (units) { - case 'month': return months; - case 'quarter': return months / 3; - case 'year': return months / 12; - } - } else { - // handle milliseconds separately because of floating point math errors (issue #1867) - days = this._days + Math.round(monthsToDays(this._months)); - switch (units) { - case 'week' : return days / 7 + milliseconds / 6048e5; - case 'day' : return days + milliseconds / 864e5; - case 'hour' : return days * 24 + milliseconds / 36e5; - case 'minute' : return days * 1440 + milliseconds / 6e4; - case 'second' : return days * 86400 + milliseconds / 1000; - // Math.floor prevents floating point math errors here - case 'millisecond': return Math.floor(days * 864e5) + milliseconds; - default: throw new Error('Unknown unit ' + units); - } - } - } - - // TODO: Use this.as('ms')? - function valueOf$1 () { - if (!this.isValid()) { - return NaN; - } - return ( - this._milliseconds + - this._days * 864e5 + - (this._months % 12) * 2592e6 + - toInt(this._months / 12) * 31536e6 - ); - } - - function makeAs (alias) { - return function () { - return this.as(alias); - }; - } - - var asMilliseconds = makeAs('ms'); - var asSeconds = makeAs('s'); - var asMinutes = makeAs('m'); - var asHours = makeAs('h'); - var asDays = makeAs('d'); - var asWeeks = makeAs('w'); - var asMonths = makeAs('M'); - var asQuarters = makeAs('Q'); - var asYears = makeAs('y'); - - function clone$1 () { - return createDuration(this); - } - - function get$2 (units) { - units = normalizeUnits(units); - return this.isValid() ? this[units + 's']() : NaN; - } - - function makeGetter(name) { - return function () { - return this.isValid() ? this._data[name] : NaN; - }; - } - - var milliseconds = makeGetter('milliseconds'); - var seconds = makeGetter('seconds'); - var minutes = makeGetter('minutes'); - var hours = makeGetter('hours'); - var days = makeGetter('days'); - var months = makeGetter('months'); - var years = makeGetter('years'); - - function weeks () { - return absFloor(this.days() / 7); - } - - var round = Math.round; - var thresholds = { - ss: 44, // a few seconds to seconds - s : 45, // seconds to minute - m : 45, // minutes to hour - h : 22, // hours to day - d : 26, // days to month - M : 11 // months to year - }; - - // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize - function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) { - return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture); - } - - function relativeTime$1 (posNegDuration, withoutSuffix, locale) { - var duration = createDuration(posNegDuration).abs(); - var seconds = round(duration.as('s')); - var minutes = round(duration.as('m')); - var hours = round(duration.as('h')); - var days = round(duration.as('d')); - var months = round(duration.as('M')); - var years = round(duration.as('y')); - - var a = seconds <= thresholds.ss && ['s', seconds] || - seconds < thresholds.s && ['ss', seconds] || - minutes <= 1 && ['m'] || - minutes < thresholds.m && ['mm', minutes] || - hours <= 1 && ['h'] || - hours < thresholds.h && ['hh', hours] || - days <= 1 && ['d'] || - days < thresholds.d && ['dd', days] || - months <= 1 && ['M'] || - months < thresholds.M && ['MM', months] || - years <= 1 && ['y'] || ['yy', years]; - - a[2] = withoutSuffix; - a[3] = +posNegDuration > 0; - a[4] = locale; - return substituteTimeAgo.apply(null, a); - } - - // This function allows you to set the rounding function for relative time strings - function getSetRelativeTimeRounding (roundingFunction) { - if (roundingFunction === undefined) { - return round; - } - if (typeof(roundingFunction) === 'function') { - round = roundingFunction; - return true; - } - return false; - } - - // This function allows you to set a threshold for relative time strings - function getSetRelativeTimeThreshold (threshold, limit) { - if (thresholds[threshold] === undefined) { - return false; - } - if (limit === undefined) { - return thresholds[threshold]; - } - thresholds[threshold] = limit; - if (threshold === 's') { - thresholds.ss = limit - 1; - } - return true; - } - - function humanize (withSuffix) { - if (!this.isValid()) { - return this.localeData().invalidDate(); - } - - var locale = this.localeData(); - var output = relativeTime$1(this, !withSuffix, locale); - - if (withSuffix) { - output = locale.pastFuture(+this, output); - } - - return locale.postformat(output); - } - - var abs$1 = Math.abs; - - function sign(x) { - return ((x > 0) - (x < 0)) || +x; - } - - function toISOString$1() { - // for ISO strings we do not use the normal bubbling rules: - // * milliseconds bubble up until they become hours - // * days do not bubble at all - // * months bubble up until they become years - // This is because there is no context-free conversion between hours and days - // (think of clock changes) - // and also not between days and months (28-31 days per month) - if (!this.isValid()) { - return this.localeData().invalidDate(); - } - - var seconds = abs$1(this._milliseconds) / 1000; - var days = abs$1(this._days); - var months = abs$1(this._months); - var minutes, hours, years; - - // 3600 seconds -> 60 minutes -> 1 hour - minutes = absFloor(seconds / 60); - hours = absFloor(minutes / 60); - seconds %= 60; - minutes %= 60; - - // 12 months -> 1 year - years = absFloor(months / 12); - months %= 12; - - - // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js - var Y = years; - var M = months; - var D = days; - var h = hours; - var m = minutes; - var s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, '') : ''; - var total = this.asSeconds(); - - if (!total) { - // this is the same as C#'s (Noda) and python (isodate)... - // but not other JS (goog.date) - return 'P0D'; - } - - var totalSign = total < 0 ? '-' : ''; - var ymSign = sign(this._months) !== sign(total) ? '-' : ''; - var daysSign = sign(this._days) !== sign(total) ? '-' : ''; - var hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : ''; - - return totalSign + 'P' + - (Y ? ymSign + Y + 'Y' : '') + - (M ? ymSign + M + 'M' : '') + - (D ? daysSign + D + 'D' : '') + - ((h || m || s) ? 'T' : '') + - (h ? hmsSign + h + 'H' : '') + - (m ? hmsSign + m + 'M' : '') + - (s ? hmsSign + s + 'S' : ''); - } - - var proto$2 = Duration.prototype; - - proto$2.isValid = isValid$1; - proto$2.abs = abs; - proto$2.add = add$1; - proto$2.subtract = subtract$1; - proto$2.as = as; - proto$2.asMilliseconds = asMilliseconds; - proto$2.asSeconds = asSeconds; - proto$2.asMinutes = asMinutes; - proto$2.asHours = asHours; - proto$2.asDays = asDays; - proto$2.asWeeks = asWeeks; - proto$2.asMonths = asMonths; - proto$2.asQuarters = asQuarters; - proto$2.asYears = asYears; - proto$2.valueOf = valueOf$1; - proto$2._bubble = bubble; - proto$2.clone = clone$1; - proto$2.get = get$2; - proto$2.milliseconds = milliseconds; - proto$2.seconds = seconds; - proto$2.minutes = minutes; - proto$2.hours = hours; - proto$2.days = days; - proto$2.weeks = weeks; - proto$2.months = months; - proto$2.years = years; - proto$2.humanize = humanize; - proto$2.toISOString = toISOString$1; - proto$2.toString = toISOString$1; - proto$2.toJSON = toISOString$1; - proto$2.locale = locale; - proto$2.localeData = localeData; - - proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1); - proto$2.lang = lang; - - // Side effect imports - - // FORMATTING - - addFormatToken('X', 0, 0, 'unix'); - addFormatToken('x', 0, 0, 'valueOf'); - - // PARSING - - addRegexToken('x', matchSigned); - addRegexToken('X', matchTimestamp); - addParseToken('X', function (input, array, config) { - config._d = new Date(parseFloat(input, 10) * 1000); - }); - addParseToken('x', function (input, array, config) { - config._d = new Date(toInt(input)); - }); - - // Side effect imports - - - hooks.version = '2.24.0'; - - setHookCallback(createLocal); - - hooks.fn = proto; - hooks.min = min; - hooks.max = max; - hooks.now = now; - hooks.utc = createUTC; - hooks.unix = createUnix; - hooks.months = listMonths; - hooks.isDate = isDate; - hooks.locale = getSetGlobalLocale; - hooks.invalid = createInvalid; - hooks.duration = createDuration; - hooks.isMoment = isMoment; - hooks.weekdays = listWeekdays; - hooks.parseZone = createInZone; - hooks.localeData = getLocale; - hooks.isDuration = isDuration; - hooks.monthsShort = listMonthsShort; - hooks.weekdaysMin = listWeekdaysMin; - hooks.defineLocale = defineLocale; - hooks.updateLocale = updateLocale; - hooks.locales = listLocales; - hooks.weekdaysShort = listWeekdaysShort; - hooks.normalizeUnits = normalizeUnits; - hooks.relativeTimeRounding = getSetRelativeTimeRounding; - hooks.relativeTimeThreshold = getSetRelativeTimeThreshold; - hooks.calendarFormat = getCalendarFormat; - hooks.prototype = proto; - - // currently HTML5 input type only supports 24-hour formats - hooks.HTML5_FMT = { - DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm', // - DATETIME_LOCAL_SECONDS: 'YYYY-MM-DDTHH:mm:ss', // - DATETIME_LOCAL_MS: 'YYYY-MM-DDTHH:mm:ss.SSS', // - DATE: 'YYYY-MM-DD', // - TIME: 'HH:mm', // - TIME_SECONDS: 'HH:mm:ss', // - TIME_MS: 'HH:mm:ss.SSS', // - WEEK: 'GGGG-[W]WW', // - MONTH: 'YYYY-MM' // - }; - - return hooks; - -}))); -}); - -var FORMATS = { - datetime: 'MMM D, YYYY, h:mm:ss a', - millisecond: 'h:mm:ss.SSS a', - second: 'h:mm:ss a', - minute: 'h:mm a', - hour: 'hA', - day: 'MMM D', - week: 'll', - month: 'MMM YYYY', - quarter: '[Q]Q - YYYY', - year: 'YYYY' -}; - -core_adapters._date.override(typeof moment === 'function' ? { - _id: 'moment', // DEBUG ONLY - - formats: function() { - return FORMATS; - }, - - parse: function(value, format) { - if (typeof value === 'string' && typeof format === 'string') { - value = moment(value, format); - } else if (!(value instanceof moment)) { - value = moment(value); - } - return value.isValid() ? value.valueOf() : null; - }, - - format: function(time, format) { - return moment(time).format(format); - }, - - add: function(time, amount, unit) { - return moment(time).add(amount, unit).valueOf(); - }, - - diff: function(max, min, unit) { - return moment.duration(moment(max).diff(moment(min))).as(unit); - }, - - startOf: function(time, unit, weekday) { - time = moment(time); - if (unit === 'isoWeek') { - return time.isoWeekday(weekday).valueOf(); - } - return time.startOf(unit).valueOf(); - }, - - endOf: function(time, unit) { - return moment(time).endOf(unit).valueOf(); - }, - - // DEPRECATIONS - - /** - * Provided for backward compatibility with scale.getValueForPixel(). - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - _create: function(time) { - return moment(time); - }, -} : {}); - -core_defaults._set('global', { - plugins: { - filler: { - propagate: true - } - } -}); - -var mappers = { - dataset: function(source) { - var index = source.fill; - var chart = source.chart; - var meta = chart.getDatasetMeta(index); - var visible = meta && chart.isDatasetVisible(index); - var points = (visible && meta.dataset._children) || []; - var length = points.length || 0; - - return !length ? null : function(point, i) { - return (i < length && points[i]._view) || null; - }; - }, - - boundary: function(source) { - var boundary = source.boundary; - var x = boundary ? boundary.x : null; - var y = boundary ? boundary.y : null; - - return function(point) { - return { - x: x === null ? point.x : x, - y: y === null ? point.y : y, - }; - }; - } -}; - -// @todo if (fill[0] === '#') -function decodeFill(el, index, count) { - var model = el._model || {}; - var fill = model.fill; - var target; - - if (fill === undefined) { - fill = !!model.backgroundColor; - } - - if (fill === false || fill === null) { - return false; - } - - if (fill === true) { - return 'origin'; - } - - target = parseFloat(fill, 10); - if (isFinite(target) && Math.floor(target) === target) { - if (fill[0] === '-' || fill[0] === '+') { - target = index + target; - } - - if (target === index || target < 0 || target >= count) { - return false; - } - - return target; - } - - switch (fill) { - // compatibility - case 'bottom': - return 'start'; - case 'top': - return 'end'; - case 'zero': - return 'origin'; - // supported boundaries - case 'origin': - case 'start': - case 'end': - return fill; - // invalid fill values - default: - return false; - } -} - -function computeBoundary(source) { - var model = source.el._model || {}; - var scale = source.el._scale || {}; - var fill = source.fill; - var target = null; - var horizontal; - - if (isFinite(fill)) { - return null; - } - - // Backward compatibility: until v3, we still need to support boundary values set on - // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and - // controllers might still use it (e.g. the Smith chart). - - if (fill === 'start') { - target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom; - } else if (fill === 'end') { - target = model.scaleTop === undefined ? scale.top : model.scaleTop; - } else if (model.scaleZero !== undefined) { - target = model.scaleZero; - } else if (scale.getBasePosition) { - target = scale.getBasePosition(); - } else if (scale.getBasePixel) { - target = scale.getBasePixel(); - } - - if (target !== undefined && target !== null) { - if (target.x !== undefined && target.y !== undefined) { - return target; - } - - if (helpers$1.isFinite(target)) { - horizontal = scale.isHorizontal(); - return { - x: horizontal ? target : null, - y: horizontal ? null : target - }; - } - } - - return null; -} - -function resolveTarget(sources, index, propagate) { - var source = sources[index]; - var fill = source.fill; - var visited = [index]; - var target; - - if (!propagate) { - return fill; - } - - while (fill !== false && visited.indexOf(fill) === -1) { - if (!isFinite(fill)) { - return fill; - } - - target = sources[fill]; - if (!target) { - return false; - } - - if (target.visible) { - return fill; - } - - visited.push(fill); - fill = target.fill; - } - - return false; -} - -function createMapper(source) { - var fill = source.fill; - var type = 'dataset'; - - if (fill === false) { - return null; - } - - if (!isFinite(fill)) { - type = 'boundary'; - } - - return mappers[type](source); -} - -function isDrawable(point) { - return point && !point.skip; -} - -function drawArea(ctx, curve0, curve1, len0, len1) { - var i; - - if (!len0 || !len1) { - return; - } - - // building first area curve (normal) - ctx.moveTo(curve0[0].x, curve0[0].y); - for (i = 1; i < len0; ++i) { - helpers$1.canvas.lineTo(ctx, curve0[i - 1], curve0[i]); - } - - // joining the two area curves - ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y); - - // building opposite area curve (reverse) - for (i = len1 - 1; i > 0; --i) { - helpers$1.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true); - } -} - -function doFill(ctx, points, mapper, view, color, loop) { - var count = points.length; - var span = view.spanGaps; - var curve0 = []; - var curve1 = []; - var len0 = 0; - var len1 = 0; - var i, ilen, index, p0, p1, d0, d1; - - ctx.beginPath(); - - for (i = 0, ilen = (count + !!loop); i < ilen; ++i) { - index = i % count; - p0 = points[index]._view; - p1 = mapper(p0, index, view); - d0 = isDrawable(p0); - d1 = isDrawable(p1); - - if (d0 && d1) { - len0 = curve0.push(p0); - len1 = curve1.push(p1); - } else if (len0 && len1) { - if (!span) { - drawArea(ctx, curve0, curve1, len0, len1); - len0 = len1 = 0; - curve0 = []; - curve1 = []; - } else { - if (d0) { - curve0.push(p0); - } - if (d1) { - curve1.push(p1); - } - } - } - } - - drawArea(ctx, curve0, curve1, len0, len1); - - ctx.closePath(); - ctx.fillStyle = color; - ctx.fill(); -} - -var plugin_filler = { - id: 'filler', - - afterDatasetsUpdate: function(chart, options) { - var count = (chart.data.datasets || []).length; - var propagate = options.propagate; - var sources = []; - var meta, i, el, source; - - for (i = 0; i < count; ++i) { - meta = chart.getDatasetMeta(i); - el = meta.dataset; - source = null; - - if (el && el._model && el instanceof elements.Line) { - source = { - visible: chart.isDatasetVisible(i), - fill: decodeFill(el, i, count), - chart: chart, - el: el - }; - } - - meta.$filler = source; - sources.push(source); - } - - for (i = 0; i < count; ++i) { - source = sources[i]; - if (!source) { - continue; - } - - source.fill = resolveTarget(sources, i, propagate); - source.boundary = computeBoundary(source); - source.mapper = createMapper(source); - } - }, - - beforeDatasetDraw: function(chart, args) { - var meta = args.meta.$filler; - if (!meta) { - return; - } - - var ctx = chart.ctx; - var el = meta.el; - var view = el._view; - var points = el._children || []; - var mapper = meta.mapper; - var color = view.backgroundColor || core_defaults.global.defaultColor; - - if (mapper && color && points.length) { - helpers$1.canvas.clipArea(ctx, chart.chartArea); - doFill(ctx, points, mapper, view, color, el._loop); - helpers$1.canvas.unclipArea(ctx); - } - } -}; - -var noop$1 = helpers$1.noop; -var valueOrDefault$d = helpers$1.valueOrDefault; - -core_defaults._set('global', { - legend: { - display: true, - position: 'top', - fullWidth: true, - reverse: false, - weight: 1000, - - // a callback that will handle - onClick: function(e, legendItem) { - var index = legendItem.datasetIndex; - var ci = this.chart; - var meta = ci.getDatasetMeta(index); - - // See controller.isDatasetVisible comment - meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null; - - // We hid a dataset ... rerender the chart - ci.update(); - }, - - onHover: null, - onLeave: null, - - labels: { - boxWidth: 40, - padding: 10, - // Generates labels shown in the legend - // Valid properties to return: - // text : text to display - // fillStyle : fill of coloured box - // strokeStyle: stroke of coloured box - // hidden : if this legend item refers to a hidden item - // lineCap : cap style for line - // lineDash - // lineDashOffset : - // lineJoin : - // lineWidth : - generateLabels: function(chart) { - var data = chart.data; - return helpers$1.isArray(data.datasets) ? data.datasets.map(function(dataset, i) { - return { - text: dataset.label, - fillStyle: (!helpers$1.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]), - hidden: !chart.isDatasetVisible(i), - lineCap: dataset.borderCapStyle, - lineDash: dataset.borderDash, - lineDashOffset: dataset.borderDashOffset, - lineJoin: dataset.borderJoinStyle, - lineWidth: dataset.borderWidth, - strokeStyle: dataset.borderColor, - pointStyle: dataset.pointStyle, - - // Below is extra data used for toggling the datasets - datasetIndex: i - }; - }, this) : []; - } - } - }, - - legendCallback: function(chart) { - var text = []; - text.push(''); - return text.join(''); - } -}); - -/** - * Helper function to get the box width based on the usePointStyle option - * @param {object} labelopts - the label options on the legend - * @param {number} fontSize - the label font size - * @return {number} width of the color box area - */ -function getBoxWidth(labelOpts, fontSize) { - return labelOpts.usePointStyle && labelOpts.boxWidth > fontSize ? - fontSize : - labelOpts.boxWidth; -} - -/** - * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! - */ -var Legend = core_element.extend({ - - initialize: function(config) { - helpers$1.extend(this, config); - - // Contains hit boxes for each dataset (in dataset order) - this.legendHitBoxes = []; - - /** - * @private - */ - this._hoveredItem = null; - - // Are we in doughnut mode which has a different data type - this.doughnutMode = false; - }, - - // These methods are ordered by lifecycle. Utilities then follow. - // Any function defined here is inherited by all legend types. - // Any function can be extended by the legend type - - beforeUpdate: noop$1, - update: function(maxWidth, maxHeight, margins) { - var me = this; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = margins; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - // Labels - me.beforeBuildLabels(); - me.buildLabels(); - me.afterBuildLabels(); - - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - }, - afterUpdate: noop$1, - - // - - beforeSetDimensions: noop$1, - setDimensions: function() { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - - // Reset minSize - me.minSize = { - width: 0, - height: 0 - }; - }, - afterSetDimensions: noop$1, - - // - - beforeBuildLabels: noop$1, - buildLabels: function() { - var me = this; - var labelOpts = me.options.labels || {}; - var legendItems = helpers$1.callback(labelOpts.generateLabels, [me.chart], me) || []; - - if (labelOpts.filter) { - legendItems = legendItems.filter(function(item) { - return labelOpts.filter(item, me.chart.data); - }); - } - - if (me.options.reverse) { - legendItems.reverse(); - } - - me.legendItems = legendItems; - }, - afterBuildLabels: noop$1, - - // - - beforeFit: noop$1, - fit: function() { - var me = this; - var opts = me.options; - var labelOpts = opts.labels; - var display = opts.display; - - var ctx = me.ctx; - - var labelFont = helpers$1.options._parseFont(labelOpts); - var fontSize = labelFont.size; - - // Reset hit boxes - var hitboxes = me.legendHitBoxes = []; - - var minSize = me.minSize; - var isHorizontal = me.isHorizontal(); - - if (isHorizontal) { - minSize.width = me.maxWidth; // fill all the width - minSize.height = display ? 10 : 0; - } else { - minSize.width = display ? 10 : 0; - minSize.height = me.maxHeight; // fill all the height - } - - // Increase sizes here - if (display) { - ctx.font = labelFont.string; - - if (isHorizontal) { - // Labels - - // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one - var lineWidths = me.lineWidths = [0]; - var totalHeight = 0; - - ctx.textAlign = 'left'; - ctx.textBaseline = 'top'; - - helpers$1.each(me.legendItems, function(legendItem, i) { - var boxWidth = getBoxWidth(labelOpts, fontSize); - var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - - if (i === 0 || lineWidths[lineWidths.length - 1] + width + labelOpts.padding > minSize.width) { - totalHeight += fontSize + labelOpts.padding; - lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = labelOpts.padding; - } - - // Store the hitbox width and height here. Final position will be updated in `draw` - hitboxes[i] = { - left: 0, - top: 0, - width: width, - height: fontSize - }; - - lineWidths[lineWidths.length - 1] += width + labelOpts.padding; - }); - - minSize.height += totalHeight; - - } else { - var vPadding = labelOpts.padding; - var columnWidths = me.columnWidths = []; - var totalWidth = labelOpts.padding; - var currentColWidth = 0; - var currentColHeight = 0; - var itemHeight = fontSize + vPadding; - - helpers$1.each(me.legendItems, function(legendItem, i) { - var boxWidth = getBoxWidth(labelOpts, fontSize); - var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - - // If too tall, go to new column - if (i > 0 && currentColHeight + itemHeight > minSize.height - vPadding) { - totalWidth += currentColWidth + labelOpts.padding; - columnWidths.push(currentColWidth); // previous column width - - currentColWidth = 0; - currentColHeight = 0; - } - - // Get max width - currentColWidth = Math.max(currentColWidth, itemWidth); - currentColHeight += itemHeight; - - // Store the hitbox width and height here. Final position will be updated in `draw` - hitboxes[i] = { - left: 0, - top: 0, - width: itemWidth, - height: fontSize - }; - }); - - totalWidth += currentColWidth; - columnWidths.push(currentColWidth); - minSize.width += totalWidth; - } - } - - me.width = minSize.width; - me.height = minSize.height; - }, - afterFit: noop$1, - - // Shared Methods - isHorizontal: function() { - return this.options.position === 'top' || this.options.position === 'bottom'; - }, - - // Actually draw the legend on the canvas - draw: function() { - var me = this; - var opts = me.options; - var labelOpts = opts.labels; - var globalDefaults = core_defaults.global; - var defaultColor = globalDefaults.defaultColor; - var lineDefault = globalDefaults.elements.line; - var legendWidth = me.width; - var lineWidths = me.lineWidths; - - if (opts.display) { - var ctx = me.ctx; - var fontColor = valueOrDefault$d(labelOpts.fontColor, globalDefaults.defaultFontColor); - var labelFont = helpers$1.options._parseFont(labelOpts); - var fontSize = labelFont.size; - var cursor; - - // Canvas setup - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; - ctx.lineWidth = 0.5; - ctx.strokeStyle = fontColor; // for strikethrough effect - ctx.fillStyle = fontColor; // render in correct colour - ctx.font = labelFont.string; - - var boxWidth = getBoxWidth(labelOpts, fontSize); - var hitboxes = me.legendHitBoxes; - - // current position - var drawLegendBox = function(x, y, legendItem) { - if (isNaN(boxWidth) || boxWidth <= 0) { - return; - } - - // Set the ctx for the box - ctx.save(); - - var lineWidth = valueOrDefault$d(legendItem.lineWidth, lineDefault.borderWidth); - ctx.fillStyle = valueOrDefault$d(legendItem.fillStyle, defaultColor); - ctx.lineCap = valueOrDefault$d(legendItem.lineCap, lineDefault.borderCapStyle); - ctx.lineDashOffset = valueOrDefault$d(legendItem.lineDashOffset, lineDefault.borderDashOffset); - ctx.lineJoin = valueOrDefault$d(legendItem.lineJoin, lineDefault.borderJoinStyle); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = valueOrDefault$d(legendItem.strokeStyle, defaultColor); - - if (ctx.setLineDash) { - // IE 9 and 10 do not support line dash - ctx.setLineDash(valueOrDefault$d(legendItem.lineDash, lineDefault.borderDash)); - } - - if (opts.labels && opts.labels.usePointStyle) { - // Recalculate x and y for drawPoint() because its expecting - // x and y to be center of figure (instead of top left) - var radius = boxWidth * Math.SQRT2 / 2; - var centerX = x + boxWidth / 2; - var centerY = y + fontSize / 2; - - // Draw pointStyle as legend symbol - helpers$1.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY); - } else { - // Draw box as legend symbol - if (lineWidth !== 0) { - ctx.strokeRect(x, y, boxWidth, fontSize); - } - ctx.fillRect(x, y, boxWidth, fontSize); - } - - ctx.restore(); - }; - var fillText = function(x, y, legendItem, textWidth) { - var halfFontSize = fontSize / 2; - var xLeft = boxWidth + halfFontSize + x; - var yMiddle = y + halfFontSize; - - ctx.fillText(legendItem.text, xLeft, yMiddle); - - if (legendItem.hidden) { - // Strikethrough the text if hidden - ctx.beginPath(); - ctx.lineWidth = 2; - ctx.moveTo(xLeft, yMiddle); - ctx.lineTo(xLeft + textWidth, yMiddle); - ctx.stroke(); - } - }; - - // Horizontal - var isHorizontal = me.isHorizontal(); - if (isHorizontal) { - cursor = { - x: me.left + ((legendWidth - lineWidths[0]) / 2) + labelOpts.padding, - y: me.top + labelOpts.padding, - line: 0 - }; - } else { - cursor = { - x: me.left + labelOpts.padding, - y: me.top + labelOpts.padding, - line: 0 - }; - } - - var itemHeight = fontSize + labelOpts.padding; - helpers$1.each(me.legendItems, function(legendItem, i) { - var textWidth = ctx.measureText(legendItem.text).width; - var width = boxWidth + (fontSize / 2) + textWidth; - var x = cursor.x; - var y = cursor.y; - - // Use (me.left + me.minSize.width) and (me.top + me.minSize.height) - // instead of me.right and me.bottom because me.width and me.height - // may have been changed since me.minSize was calculated - if (isHorizontal) { - if (i > 0 && x + width + labelOpts.padding > me.left + me.minSize.width) { - y = cursor.y += itemHeight; - cursor.line++; - x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2) + labelOpts.padding; - } - } else if (i > 0 && y + itemHeight > me.top + me.minSize.height) { - x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding; - y = cursor.y = me.top + labelOpts.padding; - cursor.line++; - } - - drawLegendBox(x, y, legendItem); - - hitboxes[i].left = x; - hitboxes[i].top = y; - - // Fill the actual label - fillText(x, y, legendItem, textWidth); - - if (isHorizontal) { - cursor.x += width + labelOpts.padding; - } else { - cursor.y += itemHeight; - } - - }); - } - }, - - /** - * @private - */ - _getLegendItemAt: function(x, y) { - var me = this; - var i, hitBox, lh; - - if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) { - // See if we are touching one of the dataset boxes - lh = me.legendHitBoxes; - for (i = 0; i < lh.length; ++i) { - hitBox = lh[i]; - - if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) { - // Touching an element - return me.legendItems[i]; - } - } - } - - return null; - }, - - /** - * Handle an event - * @private - * @param {IEvent} event - The event to handle - */ - handleEvent: function(e) { - var me = this; - var opts = me.options; - var type = e.type === 'mouseup' ? 'click' : e.type; - var hoveredItem; - - if (type === 'mousemove') { - if (!opts.onHover && !opts.onLeave) { - return; - } - } else if (type === 'click') { - if (!opts.onClick) { - return; - } - } else { - return; - } - - // Chart event already has relative position in it - hoveredItem = me._getLegendItemAt(e.x, e.y); - - if (type === 'click') { - if (hoveredItem && opts.onClick) { - // use e.native for backwards compatibility - opts.onClick.call(me, e.native, hoveredItem); - } - } else { - if (opts.onLeave && hoveredItem !== me._hoveredItem) { - if (me._hoveredItem) { - opts.onLeave.call(me, e.native, me._hoveredItem); - } - me._hoveredItem = hoveredItem; - } - - if (opts.onHover && hoveredItem) { - // use e.native for backwards compatibility - opts.onHover.call(me, e.native, hoveredItem); - } - } - } -}); - -function createNewLegendAndAttach(chart, legendOpts) { - var legend = new Legend({ - ctx: chart.ctx, - options: legendOpts, - chart: chart - }); - - core_layouts.configure(chart, legend, legendOpts); - core_layouts.addBox(chart, legend); - chart.legend = legend; -} - -var plugin_legend = { - id: 'legend', - - /** - * Backward compatibility: since 2.1.5, the legend is registered as a plugin, making - * Chart.Legend obsolete. To avoid a breaking change, we export the Legend as part of - * the plugin, which one will be re-exposed in the chart.js file. - * https://github.com/chartjs/Chart.js/pull/2640 - * @private - */ - _element: Legend, - - beforeInit: function(chart) { - var legendOpts = chart.options.legend; - - if (legendOpts) { - createNewLegendAndAttach(chart, legendOpts); - } - }, - - beforeUpdate: function(chart) { - var legendOpts = chart.options.legend; - var legend = chart.legend; - - if (legendOpts) { - helpers$1.mergeIf(legendOpts, core_defaults.global.legend); - - if (legend) { - core_layouts.configure(chart, legend, legendOpts); - legend.options = legendOpts; - } else { - createNewLegendAndAttach(chart, legendOpts); - } - } else if (legend) { - core_layouts.removeBox(chart, legend); - delete chart.legend; - } - }, - - afterEvent: function(chart, e) { - var legend = chart.legend; - if (legend) { - legend.handleEvent(e); - } - } -}; - -var noop$2 = helpers$1.noop; - -core_defaults._set('global', { - title: { - display: false, - fontStyle: 'bold', - fullWidth: true, - padding: 10, - position: 'top', - text: '', - weight: 2000 // by default greater than legend (1000) to be above - } -}); - -/** - * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! - */ -var Title = core_element.extend({ - initialize: function(config) { - var me = this; - helpers$1.extend(me, config); - - // Contains hit boxes for each dataset (in dataset order) - me.legendHitBoxes = []; - }, - - // These methods are ordered by lifecycle. Utilities then follow. - - beforeUpdate: noop$2, - update: function(maxWidth, maxHeight, margins) { - var me = this; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = margins; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - // Labels - me.beforeBuildLabels(); - me.buildLabels(); - me.afterBuildLabels(); - - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - - }, - afterUpdate: noop$2, - - // - - beforeSetDimensions: noop$2, - setDimensions: function() { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - - // Reset minSize - me.minSize = { - width: 0, - height: 0 - }; - }, - afterSetDimensions: noop$2, - - // - - beforeBuildLabels: noop$2, - buildLabels: noop$2, - afterBuildLabels: noop$2, - - // - - beforeFit: noop$2, - fit: function() { - var me = this; - var opts = me.options; - var display = opts.display; - var minSize = me.minSize; - var lineCount = helpers$1.isArray(opts.text) ? opts.text.length : 1; - var fontOpts = helpers$1.options._parseFont(opts); - var textSize = display ? (lineCount * fontOpts.lineHeight) + (opts.padding * 2) : 0; - - if (me.isHorizontal()) { - minSize.width = me.maxWidth; // fill all the width - minSize.height = textSize; - } else { - minSize.width = textSize; - minSize.height = me.maxHeight; // fill all the height - } - - me.width = minSize.width; - me.height = minSize.height; - - }, - afterFit: noop$2, - - // Shared Methods - isHorizontal: function() { - var pos = this.options.position; - return pos === 'top' || pos === 'bottom'; - }, - - // Actually draw the title block on the canvas - draw: function() { - var me = this; - var ctx = me.ctx; - var opts = me.options; - - if (opts.display) { - var fontOpts = helpers$1.options._parseFont(opts); - var lineHeight = fontOpts.lineHeight; - var offset = lineHeight / 2 + opts.padding; - var rotation = 0; - var top = me.top; - var left = me.left; - var bottom = me.bottom; - var right = me.right; - var maxWidth, titleX, titleY; - - ctx.fillStyle = helpers$1.valueOrDefault(opts.fontColor, core_defaults.global.defaultFontColor); // render in correct colour - ctx.font = fontOpts.string; - - // Horizontal - if (me.isHorizontal()) { - titleX = left + ((right - left) / 2); // midpoint of the width - titleY = top + offset; - maxWidth = right - left; - } else { - titleX = opts.position === 'left' ? left + offset : right - offset; - titleY = top + ((bottom - top) / 2); - maxWidth = bottom - top; - rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5); - } - - ctx.save(); - ctx.translate(titleX, titleY); - ctx.rotate(rotation); - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - - var text = opts.text; - if (helpers$1.isArray(text)) { - var y = 0; - for (var i = 0; i < text.length; ++i) { - ctx.fillText(text[i], 0, y, maxWidth); - y += lineHeight; - } - } else { - ctx.fillText(text, 0, 0, maxWidth); - } - - ctx.restore(); - } - } -}); - -function createNewTitleBlockAndAttach(chart, titleOpts) { - var title = new Title({ - ctx: chart.ctx, - options: titleOpts, - chart: chart - }); - - core_layouts.configure(chart, title, titleOpts); - core_layouts.addBox(chart, title); - chart.titleBlock = title; -} - -var plugin_title = { - id: 'title', - - /** - * Backward compatibility: since 2.1.5, the title is registered as a plugin, making - * Chart.Title obsolete. To avoid a breaking change, we export the Title as part of - * the plugin, which one will be re-exposed in the chart.js file. - * https://github.com/chartjs/Chart.js/pull/2640 - * @private - */ - _element: Title, - - beforeInit: function(chart) { - var titleOpts = chart.options.title; - - if (titleOpts) { - createNewTitleBlockAndAttach(chart, titleOpts); - } - }, - - beforeUpdate: function(chart) { - var titleOpts = chart.options.title; - var titleBlock = chart.titleBlock; - - if (titleOpts) { - helpers$1.mergeIf(titleOpts, core_defaults.global.title); - - if (titleBlock) { - core_layouts.configure(chart, titleBlock, titleOpts); - titleBlock.options = titleOpts; - } else { - createNewTitleBlockAndAttach(chart, titleOpts); - } - } else if (titleBlock) { - core_layouts.removeBox(chart, titleBlock); - delete chart.titleBlock; - } - } -}; - -var plugins = {}; -var filler = plugin_filler; -var legend = plugin_legend; -var title = plugin_title; -plugins.filler = filler; -plugins.legend = legend; -plugins.title = title; - -/** - * @namespace Chart - */ - - -core_controller.helpers = helpers$1; - -// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests! -core_helpers(core_controller); - -core_controller._adapters = core_adapters; -core_controller.Animation = core_animation; -core_controller.animationService = core_animations; -core_controller.controllers = controllers; -core_controller.DatasetController = core_datasetController; -core_controller.defaults = core_defaults; -core_controller.Element = core_element; -core_controller.elements = elements; -core_controller.Interaction = core_interaction; -core_controller.layouts = core_layouts; -core_controller.platform = platform; -core_controller.plugins = core_plugins; -core_controller.Scale = core_scale; -core_controller.scaleService = core_scaleService; -core_controller.Ticks = core_ticks; -core_controller.Tooltip = core_tooltip; - -// Register built-in scales - -core_controller.helpers.each(scales, function(scale, type) { - core_controller.scaleService.registerScaleType(type, scale, scale._defaults); -}); - -// Load to register built-in adapters (as side effects) - - -// Loading built-in plugins - -for (var k in plugins) { - if (plugins.hasOwnProperty(k)) { - core_controller.plugins.register(plugins[k]); - } -} - -core_controller.platform.initialize(); - -var src = core_controller; -if (typeof window !== 'undefined') { - window.Chart = core_controller; -} - -// DEPRECATIONS - -/** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Chart - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ -core_controller.Chart = core_controller; - -/** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Legend - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ -core_controller.Legend = plugins.legend._element; - -/** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Title - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ -core_controller.Title = plugins.title._element; - -/** - * Provided for backward compatibility, use Chart.plugins instead - * @namespace Chart.pluginService - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ -core_controller.pluginService = core_controller.plugins; - -/** - * Provided for backward compatibility, inheriting from Chart.PlugingBase has no - * effect, instead simply create/register plugins via plain JavaScript objects. - * @interface Chart.PluginBase - * @deprecated since version 2.5.0 - * @todo remove at version 3 - * @private - */ -core_controller.PluginBase = core_controller.Element.extend({}); - -/** - * Provided for backward compatibility, use Chart.helpers.canvas instead. - * @namespace Chart.canvasHelpers - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ -core_controller.canvasHelpers = core_controller.helpers.canvas; - -/** - * Provided for backward compatibility, use Chart.layouts instead. - * @namespace Chart.layoutService - * @deprecated since version 2.7.3 - * @todo remove at version 3 - * @private - */ -core_controller.layoutService = core_controller.layouts; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.LinearScaleBase - * @deprecated since version 2.8 - * @todo remove at version 3 - * @private - */ -core_controller.LinearScaleBase = scale_linearbase; - -/** - * Provided for backward compatibility, instead we should create a new Chart - * by setting the type in the config (`new Chart(id, {type: '{chart-type}'}`). - * @deprecated since version 2.8.0 - * @todo remove at version 3 - */ -core_controller.helpers.each( - [ - 'Bar', - 'Bubble', - 'Doughnut', - 'Line', - 'PolarArea', - 'Radar', - 'Scatter' - ], - function(klass) { - core_controller[klass] = function(ctx, cfg) { - return new core_controller(ctx, core_controller.helpers.merge(cfg || {}, { - type: klass.charAt(0).toLowerCase() + klass.slice(1) - })); - }; - } -); - -return src; - -}))); diff --git a/style/default/vendor/chart.js/Chart.bundle.min.js b/style/default/vendor/chart.js/Chart.bundle.min.js deleted file mode 100644 index 0bf9ea9..0000000 --- a/style/default/vendor/chart.js/Chart.bundle.min.js +++ /dev/null @@ -1,7 +0,0 @@ -/*! - * Chart.js v2.8.0 - * https://www.chartjs.org - * (c) 2019 Chart.js Contributors - * Released under the MIT License - */ -!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.Chart=e()}(this,function(){"use strict";var t={rgb2hsl:e,rgb2hsv:i,rgb2hwb:n,rgb2cmyk:a,rgb2keyword:o,rgb2xyz:s,rgb2lab:l,rgb2lch:function(t){return v(l(t))},hsl2rgb:u,hsl2hsv:function(t){var 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t=this.options,e=t.scales||{},i=t.scale;ut.each(e.xAxes,function(t,e){t.id=t.id||"x-axis-"+e}),ut.each(e.yAxes,function(t,e){t.id=t.id||"y-axis-"+e}),i&&(i.id=i.id||"scale")},buildOrUpdateScales:function(){var t=this,e=t.options,i=t.scales||{},n=[],a=Object.keys(i).reduce(function(t,e){return t[e]=!1,t},{});e.scales&&(n=n.concat((e.scales.xAxes||[]).map(function(t){return{options:t,dtype:"category",dposition:"bottom"}}),(e.scales.yAxes||[]).map(function(t){return{options:t,dtype:"linear",dposition:"left"}}))),e.scale&&n.push({options:e.scale,dtype:"radialLinear",isDefault:!0,dposition:"chartArea"}),ut.each(n,function(e){var n=e.options,r=n.id,o=Qe(n.type,e.dtype);ii(n.position)!==ii(e.dposition)&&(n.position=e.dposition),a[r]=!0;var s=null;if(r in i&&i[r].type===o)(s=i[r]).options=n,s.ctx=t.ctx,s.chart=t;else{var l=Ee.getScaleConstructor(o);if(!l)return;s=new 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t=0,e=0,i=this.data.datasets.length;e3?i[2]-i[1]:i[1]-i[0];Math.abs(n)>1&&t!==Math.floor(t)&&(n=t-Math.floor(t));var a=ut.log10(Math.abs(n)),r="";if(0!==t)if(Math.max(Math.abs(i[0]),Math.abs(i[i.length-1]))<1e-4){var o=ut.log10(Math.abs(t));r=t.toExponential(Math.floor(o)-Math.floor(a))}else{var s=-1*Math.floor(a);s=Math.max(Math.min(s,20),0),r=t.toFixed(s)}else r="0";return r},logarithmic:function(t,e,i){var n=t/Math.pow(10,Math.floor(ut.log10(t)));return 0===t?"0":1===n||2===n||5===n||0===e||e===i.length-1?t.toExponential():""}}},ui=ut.valueOrDefault,di=ut.valueAtIndexOrDefault;function hi(t){var e,i,n=[];for(e=0,i=t.length;eu&&rt.maxHeight){r--;break}r++,l=o*s}t.labelRotation=r},afterCalculateTickRotation:function(){ut.callback(this.options.afterCalculateTickRotation,[this])},beforeFit:function(){ut.callback(this.options.beforeFit,[this])},fit:function(){var t=this,e=t.minSize={width:0,height:0},i=hi(t._ticks),n=t.options,a=n.ticks,r=n.scaleLabel,o=n.gridLines,s=t._isVisible(),l=n.position,u=t.isHorizontal(),d=ut.options._parseFont,h=d(a),c=n.gridLines.tickMarkLength;if(e.width=u?t.isFullWidth()?t.maxWidth-t.margins.left-t.margins.right:t.maxWidth:s&&o.drawTicks?c:0,e.height=u?s&&o.drawTicks?c:0:t.maxHeight,r.display&&s){var f=d(r),g=ut.options.toPadding(r.padding),m=f.lineHeight+g.height;u?e.height+=m:e.width+=m}if(a.display&&s){var p=ut.longestText(t.ctx,h.string,i,t.longestTextCache),v=ut.numberOfLabelLines(i),y=.5*h.size,b=t.options.ticks.padding;if(t._maxLabelLines=v,t.longestLabelWidth=p,u){var x=ut.toRadians(t.labelRotation),_=Math.cos(x),k=Math.sin(x)*p+h.lineHeight*v+y;e.height=Math.min(t.maxHeight,e.height+k+b),t.ctx.font=h.string;var 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t=this;yi.prototype.convertTicksToLabels.call(t),t.pointLabels=t.chart.data.labels.map(t.options.pointLabels.callback,t)},getLabelForIndex:function(t,e){return+this.getRightValue(this.chart.data.datasets[e].data[t])},fit:function(){var t=this.options;t.display&&t.pointLabels.display?function(t){var e,i,n,a=ut.options._parseFont(t.options.pointLabels),r={l:0,r:t.width,t:0,b:t.height-t.paddingTop},o={};t.ctx.font=a.string,t._pointLabelSizes=[];var s,l,u,d=Ii(t);for(e=0;er.r&&(r.r=f.end,o.r=h),g.startr.b&&(r.b=g.end,o.b=h)}t.setReductions(t.drawingArea,r,o)}(this):this.setCenterPoint(0,0,0,0)},setReductions:function(t,e,i){var n=this,a=e.l/Math.sin(i.l),r=Math.max(e.r-n.width,0)/Math.sin(i.r),o=-e.t/Math.cos(i.t),s=-Math.max(e.b-(n.height-n.paddingTop),0)/Math.cos(i.b);a=Yi(a),r=Yi(r),o=Yi(o),s=Yi(s),n.drawingArea=Math.min(Math.floor(t-(a+r)/2),Math.floor(t-(o+s)/2)),n.setCenterPoint(a,r,o,s)},setCenterPoint:function(t,e,i,n){var a=this,r=a.width-e-a.drawingArea,o=t+a.drawingArea,s=i+a.drawingArea,l=a.height-a.paddingTop-n-a.drawingArea;a.xCenter=Math.floor((o+r)/2+a.left),a.yCenter=Math.floor((s+l)/2+a.top+a.paddingTop)},getIndexAngle:function(t){return t*(2*Math.PI/Ii(this))+(this.chart.options&&this.chart.options.startAngle?this.chart.options.startAngle:0)*Math.PI*2/360},getDistanceFromCenterForValue:function(t){var e=this;if(null===t)return 0;var i=e.drawingArea/(e.max-e.min);return e.options.ticks.reverse?(e.max-t)*i:(t-e.min)*i},getPointPosition:function(t,e){var i=this.getIndexAngle(t)-Math.PI/2;return{x:Math.cos(i)*e+this.xCenter,y:Math.sin(i)*e+this.yCenter}},getPointPositionForValue:function(t,e){return this.getPointPosition(t,this.getDistanceFromCenterForValue(e))},getBasePosition:function(){var t=this.min,e=this.max;return this.getPointPositionForValue(0,this.beginAtZero?0:t<0&&e<0?e:t>0&&e>0?t:0)},draw:function(){var t=this,e=t.options,i=e.gridLines,n=e.ticks;if(e.display){var a=t.ctx,r=this.getIndexAngle(0),o=ut.options._parseFont(n);(e.angleLines.display||e.pointLabels.display)&&function(t){var e=t.ctx,i=t.options,n=i.angleLines,a=i.gridLines,r=i.pointLabels,o=Ci(n.lineWidth,a.lineWidth),s=Ci(n.color,a.color),l=Ai(i);e.save(),e.lineWidth=o,e.strokeStyle=s,e.setLineDash&&(e.setLineDash(Ti([n.borderDash,a.borderDash,[]])),e.lineDashOffset=Ti([n.borderDashOffset,a.borderDashOffset,0]));var u=t.getDistanceFromCenterForValue(i.ticks.reverse?t.min:t.max),d=ut.options._parseFont(r);e.font=d.string,e.textBaseline="middle";for(var h=Ii(t)-1;h>=0;h--){if(n.display&&o&&s){var c=t.getPointPosition(h,u);e.beginPath(),e.moveTo(t.xCenter,t.yCenter),e.lineTo(c.x,c.y),e.stroke()}if(r.display){var f=0===h?l/2:0,g=t.getPointPosition(h,u+f+5),m=Pi(r.fontColor,h,ot.global.defaultFontColor);e.fillStyle=m;var 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a/style/default/vendor/chart.js/Chart.js b/style/default/vendor/chart.js/Chart.js deleted file mode 100644 index 6370857..0000000 --- a/style/default/vendor/chart.js/Chart.js +++ /dev/null @@ -1,14680 +0,0 @@ -/*! - * Chart.js v2.8.0 - * https://www.chartjs.org - * (c) 2019 Chart.js Contributors - * Released under the MIT License - */ -(function (global, factory) { -typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(function() { try { return require('moment'); } catch(e) { } }()) : -typeof define === 'function' && define.amd ? define(['require'], function(require) { return factory(function() { try { return require('moment'); } catch(e) { } }()); }) : -(global.Chart = factory(global.moment)); -}(this, (function (moment) { 'use strict'; - -moment = moment && moment.hasOwnProperty('default') ? moment['default'] : moment; - -/* MIT license */ - -var conversions = { - rgb2hsl: rgb2hsl, - rgb2hsv: rgb2hsv, - rgb2hwb: rgb2hwb, - rgb2cmyk: rgb2cmyk, - rgb2keyword: rgb2keyword, - rgb2xyz: rgb2xyz, - rgb2lab: rgb2lab, - rgb2lch: rgb2lch, - - hsl2rgb: hsl2rgb, - hsl2hsv: hsl2hsv, - hsl2hwb: hsl2hwb, - hsl2cmyk: hsl2cmyk, - hsl2keyword: hsl2keyword, - - hsv2rgb: hsv2rgb, - hsv2hsl: hsv2hsl, - hsv2hwb: hsv2hwb, - hsv2cmyk: hsv2cmyk, - hsv2keyword: hsv2keyword, - - hwb2rgb: hwb2rgb, - hwb2hsl: hwb2hsl, - hwb2hsv: hwb2hsv, - hwb2cmyk: hwb2cmyk, - hwb2keyword: hwb2keyword, - - cmyk2rgb: cmyk2rgb, - cmyk2hsl: cmyk2hsl, - cmyk2hsv: cmyk2hsv, - cmyk2hwb: cmyk2hwb, - cmyk2keyword: cmyk2keyword, - - keyword2rgb: keyword2rgb, - keyword2hsl: keyword2hsl, - keyword2hsv: keyword2hsv, - keyword2hwb: keyword2hwb, - keyword2cmyk: keyword2cmyk, - keyword2lab: keyword2lab, - keyword2xyz: keyword2xyz, - - xyz2rgb: xyz2rgb, - xyz2lab: xyz2lab, - xyz2lch: xyz2lch, - - lab2xyz: lab2xyz, - lab2rgb: lab2rgb, - lab2lch: lab2lch, - - lch2lab: lch2lab, - lch2xyz: lch2xyz, - lch2rgb: lch2rgb -}; - - -function rgb2hsl(rgb) { - var r = rgb[0]/255, - g = rgb[1]/255, - b = rgb[2]/255, - min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s, l; - - if (max == min) - h = 0; - else if (r == max) - h = (g - b) / delta; - else if (g == max) - h = 2 + (b - r) / delta; - else if (b == max) - h = 4 + (r - g)/ delta; - - h = Math.min(h * 60, 360); - - if (h < 0) - h += 360; - - l = (min + max) / 2; - - if (max == min) - s = 0; - else if (l <= 0.5) - s = delta / (max + min); - else - s = delta / (2 - max - min); - - return [h, s * 100, l * 100]; -} - -function rgb2hsv(rgb) { - var r = rgb[0], - g = rgb[1], - b = rgb[2], - min = Math.min(r, g, b), - max = Math.max(r, g, b), - delta = max - min, - h, s, v; - - if (max == 0) - s = 0; - else - s = (delta/max * 1000)/10; - - if (max == min) - h = 0; - else if (r == max) - h = (g - b) / delta; - else if (g == max) - h = 2 + (b - r) / delta; - else if (b == max) - h = 4 + (r - g) / delta; - - h = Math.min(h * 60, 360); - - if (h < 0) - h += 360; - - v = ((max / 255) * 1000) / 10; - - return [h, s, v]; -} - -function rgb2hwb(rgb) { - var r = rgb[0], - g = rgb[1], - b = rgb[2], - h = rgb2hsl(rgb)[0], - w = 1/255 * Math.min(r, Math.min(g, b)), - b = 1 - 1/255 * Math.max(r, Math.max(g, b)); - - return [h, w * 100, b * 100]; -} - -function rgb2cmyk(rgb) { - var r = rgb[0] / 255, - g = rgb[1] / 255, - b = rgb[2] / 255, - c, m, y, k; - - k = Math.min(1 - r, 1 - g, 1 - b); - c = (1 - r - k) / (1 - k) || 0; - m = (1 - g - k) / (1 - k) || 0; - y = (1 - b - k) / (1 - k) || 0; - return [c * 100, m * 100, y * 100, k * 100]; -} - -function rgb2keyword(rgb) { - return reverseKeywords[JSON.stringify(rgb)]; -} - -function rgb2xyz(rgb) { - var r = rgb[0] / 255, - g = rgb[1] / 255, - b = rgb[2] / 255; - - // assume sRGB - r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); - g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); - b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); - - var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); - var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); - var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); - - return [x * 100, y *100, z * 100]; -} - -function rgb2lab(rgb) { - var xyz = rgb2xyz(rgb), - x = xyz[0], - y = xyz[1], - z = xyz[2], - l, a, b; - - x /= 95.047; - y /= 100; - z /= 108.883; - - x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); - y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); - z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); - - l = (116 * y) - 16; - a = 500 * (x - y); - b = 200 * (y - z); - - return [l, a, b]; -} - -function rgb2lch(args) { - return lab2lch(rgb2lab(args)); -} - -function hsl2rgb(hsl) { - var h = hsl[0] / 360, - s = hsl[1] / 100, - l = hsl[2] / 100, - t1, t2, t3, rgb, val; - - if (s == 0) { - val = l * 255; - return [val, val, val]; - } - - if (l < 0.5) - t2 = l * (1 + s); - else - t2 = l + s - l * s; - t1 = 2 * l - t2; - - rgb = [0, 0, 0]; - for (var i = 0; i < 3; i++) { - t3 = h + 1 / 3 * - (i - 1); - t3 < 0 && t3++; - t3 > 1 && t3--; - - if (6 * t3 < 1) - val = t1 + (t2 - t1) * 6 * t3; - else if (2 * t3 < 1) - val = t2; - else if (3 * t3 < 2) - val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; - else - val = t1; - - rgb[i] = val * 255; - } - - return rgb; -} - -function hsl2hsv(hsl) { - var h = hsl[0], - s = hsl[1] / 100, - l = hsl[2] / 100, - sv, v; - - if(l === 0) { - // no need to do calc on black - // also avoids divide by 0 error - return [0, 0, 0]; - } - - l *= 2; - s *= (l <= 1) ? l : 2 - l; - v = (l + s) / 2; - sv = (2 * s) / (l + s); - return [h, sv * 100, v * 100]; -} - -function hsl2hwb(args) { - return rgb2hwb(hsl2rgb(args)); -} - -function hsl2cmyk(args) { - return rgb2cmyk(hsl2rgb(args)); -} - -function hsl2keyword(args) { - return rgb2keyword(hsl2rgb(args)); -} - - -function hsv2rgb(hsv) { - var h = hsv[0] / 60, - s = hsv[1] / 100, - v = hsv[2] / 100, - hi = Math.floor(h) % 6; - - var f = h - Math.floor(h), - p = 255 * v * (1 - s), - q = 255 * v * (1 - (s * f)), - t = 255 * v * (1 - (s * (1 - f))), - v = 255 * v; - - switch(hi) { - case 0: - return [v, t, p]; - case 1: - return [q, v, p]; - case 2: - return [p, v, t]; - case 3: - return [p, q, v]; - case 4: - return [t, p, v]; - case 5: - return [v, p, q]; - } -} - -function hsv2hsl(hsv) { - var h = hsv[0], - s = hsv[1] / 100, - v = hsv[2] / 100, - sl, l; - - l = (2 - s) * v; - sl = s * v; - sl /= (l <= 1) ? l : 2 - l; - sl = sl || 0; - l /= 2; - return [h, sl * 100, l * 100]; -} - -function hsv2hwb(args) { - return rgb2hwb(hsv2rgb(args)) -} - -function hsv2cmyk(args) { - return rgb2cmyk(hsv2rgb(args)); -} - -function hsv2keyword(args) { - return rgb2keyword(hsv2rgb(args)); -} - -// http://dev.w3.org/csswg/css-color/#hwb-to-rgb -function hwb2rgb(hwb) { - var h = hwb[0] / 360, - wh = hwb[1] / 100, - bl = hwb[2] / 100, - ratio = wh + bl, - i, v, f, n; - - // wh + bl cant be > 1 - if (ratio > 1) { - wh /= ratio; - bl /= ratio; - } - - i = Math.floor(6 * h); - v = 1 - bl; - f = 6 * h - i; - if ((i & 0x01) != 0) { - f = 1 - f; - } - n = wh + f * (v - wh); // linear interpolation - - switch (i) { - default: - case 6: - case 0: r = v; g = n; b = wh; break; - case 1: r = n; g = v; b = wh; break; - case 2: r = wh; g = v; b = n; break; - case 3: r = wh; g = n; b = v; break; - case 4: r = n; g = wh; b = v; break; - case 5: r = v; g = wh; b = n; break; - } - - return [r * 255, g * 255, b * 255]; -} - -function hwb2hsl(args) { - return rgb2hsl(hwb2rgb(args)); -} - -function hwb2hsv(args) { - return rgb2hsv(hwb2rgb(args)); -} - -function hwb2cmyk(args) { - return rgb2cmyk(hwb2rgb(args)); -} - -function hwb2keyword(args) { - return rgb2keyword(hwb2rgb(args)); -} - -function cmyk2rgb(cmyk) { - var c = cmyk[0] / 100, - m = cmyk[1] / 100, - y = cmyk[2] / 100, - k = cmyk[3] / 100, - r, g, b; - - r = 1 - Math.min(1, c * (1 - k) + k); - g = 1 - Math.min(1, m * (1 - k) + k); - b = 1 - Math.min(1, y * (1 - k) + k); - return [r * 255, g * 255, b * 255]; -} - -function cmyk2hsl(args) { - return rgb2hsl(cmyk2rgb(args)); -} - -function cmyk2hsv(args) { - return rgb2hsv(cmyk2rgb(args)); -} - -function cmyk2hwb(args) { - return rgb2hwb(cmyk2rgb(args)); -} - -function cmyk2keyword(args) { - return rgb2keyword(cmyk2rgb(args)); -} - - -function xyz2rgb(xyz) { - var x = xyz[0] / 100, - y = xyz[1] / 100, - z = xyz[2] / 100, - r, g, b; - - r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); - g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); - b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); - - // assume sRGB - r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) - : r = (r * 12.92); - - g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) - : g = (g * 12.92); - - b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) - : b = (b * 12.92); - - r = Math.min(Math.max(0, r), 1); - g = Math.min(Math.max(0, g), 1); - b = Math.min(Math.max(0, b), 1); - - return [r * 255, g * 255, b * 255]; -} - -function xyz2lab(xyz) { - var x = xyz[0], - y = xyz[1], - z = xyz[2], - l, a, b; - - x /= 95.047; - y /= 100; - z /= 108.883; - - x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); - y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); - z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); - - l = (116 * y) - 16; - a = 500 * (x - y); - b = 200 * (y - z); - - return [l, a, b]; -} - -function xyz2lch(args) { - return lab2lch(xyz2lab(args)); -} - -function lab2xyz(lab) { - var l = lab[0], - a = lab[1], - b = lab[2], - x, y, z, y2; - - if (l <= 8) { - y = (l * 100) / 903.3; - y2 = (7.787 * (y / 100)) + (16 / 116); - } else { - y = 100 * Math.pow((l + 16) / 116, 3); - y2 = Math.pow(y / 100, 1/3); - } - - x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3); - - z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3); - - return [x, y, z]; -} - -function lab2lch(lab) { - var l = lab[0], - a = lab[1], - b = lab[2], - hr, h, c; - - hr = Math.atan2(b, a); - h = hr * 360 / 2 / Math.PI; - if (h < 0) { - h += 360; - } - c = Math.sqrt(a * a + b * b); - return [l, c, h]; -} - -function lab2rgb(args) { - return xyz2rgb(lab2xyz(args)); -} - -function lch2lab(lch) { - var l = lch[0], - c = lch[1], - h = lch[2], - a, b, hr; - - hr = h / 360 * 2 * Math.PI; - a = c * Math.cos(hr); - b = c * Math.sin(hr); - return [l, a, b]; -} - -function lch2xyz(args) { - return lab2xyz(lch2lab(args)); -} - -function lch2rgb(args) { - return lab2rgb(lch2lab(args)); -} - -function keyword2rgb(keyword) { - return cssKeywords[keyword]; -} - -function keyword2hsl(args) { - return rgb2hsl(keyword2rgb(args)); -} - -function keyword2hsv(args) { - return rgb2hsv(keyword2rgb(args)); -} - -function keyword2hwb(args) { - return rgb2hwb(keyword2rgb(args)); -} - -function keyword2cmyk(args) { - return rgb2cmyk(keyword2rgb(args)); -} - -function keyword2lab(args) { - return rgb2lab(keyword2rgb(args)); -} - -function keyword2xyz(args) { - return rgb2xyz(keyword2rgb(args)); -} - -var cssKeywords = { - aliceblue: [240,248,255], - antiquewhite: [250,235,215], - aqua: [0,255,255], - aquamarine: [127,255,212], - azure: [240,255,255], - beige: [245,245,220], - bisque: [255,228,196], - black: [0,0,0], - blanchedalmond: [255,235,205], - blue: [0,0,255], - blueviolet: [138,43,226], - brown: [165,42,42], - burlywood: [222,184,135], - cadetblue: [95,158,160], - chartreuse: [127,255,0], - chocolate: [210,105,30], - coral: [255,127,80], - cornflowerblue: [100,149,237], - cornsilk: [255,248,220], - crimson: [220,20,60], - cyan: [0,255,255], - darkblue: [0,0,139], - darkcyan: [0,139,139], - darkgoldenrod: [184,134,11], - darkgray: [169,169,169], - darkgreen: [0,100,0], - darkgrey: [169,169,169], - darkkhaki: [189,183,107], - darkmagenta: [139,0,139], - darkolivegreen: [85,107,47], - darkorange: [255,140,0], - darkorchid: [153,50,204], - darkred: [139,0,0], - darksalmon: [233,150,122], - darkseagreen: [143,188,143], - darkslateblue: [72,61,139], - darkslategray: [47,79,79], - darkslategrey: [47,79,79], - darkturquoise: [0,206,209], - darkviolet: [148,0,211], - deeppink: [255,20,147], - deepskyblue: [0,191,255], - dimgray: [105,105,105], - dimgrey: [105,105,105], - dodgerblue: [30,144,255], - firebrick: [178,34,34], - floralwhite: [255,250,240], - forestgreen: [34,139,34], - fuchsia: [255,0,255], - gainsboro: [220,220,220], - ghostwhite: [248,248,255], - gold: [255,215,0], - goldenrod: [218,165,32], - gray: [128,128,128], - green: [0,128,0], - greenyellow: [173,255,47], - grey: [128,128,128], - honeydew: [240,255,240], - hotpink: [255,105,180], - indianred: [205,92,92], - indigo: [75,0,130], - ivory: [255,255,240], - khaki: [240,230,140], - lavender: [230,230,250], - lavenderblush: [255,240,245], - lawngreen: [124,252,0], - lemonchiffon: [255,250,205], - lightblue: [173,216,230], - lightcoral: [240,128,128], - lightcyan: [224,255,255], - lightgoldenrodyellow: [250,250,210], - lightgray: [211,211,211], - lightgreen: [144,238,144], - lightgrey: [211,211,211], - lightpink: [255,182,193], - lightsalmon: [255,160,122], - lightseagreen: [32,178,170], - lightskyblue: [135,206,250], - lightslategray: [119,136,153], - lightslategrey: [119,136,153], - lightsteelblue: [176,196,222], - lightyellow: [255,255,224], - lime: [0,255,0], - limegreen: [50,205,50], - linen: [250,240,230], - magenta: [255,0,255], - maroon: [128,0,0], - mediumaquamarine: [102,205,170], - mediumblue: [0,0,205], - mediumorchid: [186,85,211], - mediumpurple: [147,112,219], - mediumseagreen: [60,179,113], - mediumslateblue: [123,104,238], - mediumspringgreen: [0,250,154], - mediumturquoise: [72,209,204], - mediumvioletred: [199,21,133], - midnightblue: [25,25,112], - mintcream: [245,255,250], - mistyrose: [255,228,225], - moccasin: [255,228,181], - navajowhite: [255,222,173], - navy: [0,0,128], - oldlace: [253,245,230], - olive: [128,128,0], - olivedrab: [107,142,35], - orange: [255,165,0], - orangered: [255,69,0], - orchid: [218,112,214], - palegoldenrod: [238,232,170], - palegreen: [152,251,152], - paleturquoise: [175,238,238], - palevioletred: [219,112,147], - papayawhip: [255,239,213], - peachpuff: [255,218,185], - peru: [205,133,63], - pink: [255,192,203], - plum: [221,160,221], - powderblue: [176,224,230], - purple: [128,0,128], - rebeccapurple: [102, 51, 153], - red: [255,0,0], - rosybrown: [188,143,143], - royalblue: [65,105,225], - saddlebrown: [139,69,19], - salmon: [250,128,114], - sandybrown: [244,164,96], - seagreen: [46,139,87], - seashell: [255,245,238], - sienna: [160,82,45], - silver: [192,192,192], - skyblue: [135,206,235], - slateblue: [106,90,205], - slategray: [112,128,144], - slategrey: [112,128,144], - snow: [255,250,250], - springgreen: [0,255,127], - steelblue: [70,130,180], - tan: [210,180,140], - teal: [0,128,128], - thistle: [216,191,216], - tomato: [255,99,71], - turquoise: [64,224,208], - violet: [238,130,238], - wheat: [245,222,179], - white: [255,255,255], - whitesmoke: [245,245,245], - yellow: [255,255,0], - yellowgreen: [154,205,50] -}; - -var reverseKeywords = {}; -for (var key in cssKeywords) { - reverseKeywords[JSON.stringify(cssKeywords[key])] = key; -} - -var convert = function() { - return new Converter(); -}; - -for (var func in conversions) { - // export Raw versions - convert[func + "Raw"] = (function(func) { - // accept array or plain args - return function(arg) { - if (typeof arg == "number") - arg = Array.prototype.slice.call(arguments); - return conversions[func](arg); - } - })(func); - - var pair = /(\w+)2(\w+)/.exec(func), - from = pair[1], - to = pair[2]; - - // export rgb2hsl and ["rgb"]["hsl"] - convert[from] = convert[from] || {}; - - convert[from][to] = convert[func] = (function(func) { - return function(arg) { - if (typeof arg == "number") - arg = Array.prototype.slice.call(arguments); - - var val = conversions[func](arg); - if (typeof val == "string" || val === undefined) - return val; // keyword - - for (var i = 0; i < val.length; i++) - val[i] = Math.round(val[i]); - return val; - } - })(func); -} - - -/* Converter does lazy conversion and caching */ -var Converter = function() { - this.convs = {}; -}; - -/* Either get the values for a space or - set the values for a space, depending on args */ -Converter.prototype.routeSpace = function(space, args) { - var values = args[0]; - if (values === undefined) { - // color.rgb() - return this.getValues(space); - } - // color.rgb(10, 10, 10) - if (typeof values == "number") { - values = Array.prototype.slice.call(args); - } - - return this.setValues(space, values); -}; - -/* Set the values for a space, invalidating cache */ -Converter.prototype.setValues = function(space, values) { - this.space = space; - this.convs = {}; - this.convs[space] = values; - return this; -}; - -/* Get the values for a space. If there's already - a conversion for the space, fetch it, otherwise - compute it */ -Converter.prototype.getValues = function(space) { - var vals = this.convs[space]; - if (!vals) { - var fspace = this.space, - from = this.convs[fspace]; - vals = convert[fspace][space](from); - - this.convs[space] = vals; - } - return vals; -}; - -["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) { - Converter.prototype[space] = function(vals) { - return this.routeSpace(space, arguments); - }; -}); - -var colorConvert = convert; - -var colorName = { - "aliceblue": [240, 248, 255], - "antiquewhite": [250, 235, 215], - "aqua": [0, 255, 255], - "aquamarine": [127, 255, 212], - "azure": [240, 255, 255], - "beige": [245, 245, 220], - "bisque": [255, 228, 196], - "black": [0, 0, 0], - "blanchedalmond": [255, 235, 205], - "blue": [0, 0, 255], - "blueviolet": [138, 43, 226], - "brown": [165, 42, 42], - "burlywood": [222, 184, 135], - "cadetblue": [95, 158, 160], - "chartreuse": [127, 255, 0], - "chocolate": [210, 105, 30], - "coral": [255, 127, 80], - "cornflowerblue": [100, 149, 237], - "cornsilk": [255, 248, 220], - "crimson": [220, 20, 60], - "cyan": [0, 255, 255], - "darkblue": [0, 0, 139], - "darkcyan": [0, 139, 139], - "darkgoldenrod": [184, 134, 11], - "darkgray": [169, 169, 169], - "darkgreen": [0, 100, 0], - "darkgrey": [169, 169, 169], - "darkkhaki": [189, 183, 107], - "darkmagenta": [139, 0, 139], - "darkolivegreen": [85, 107, 47], - "darkorange": [255, 140, 0], - "darkorchid": [153, 50, 204], - "darkred": [139, 0, 0], - "darksalmon": [233, 150, 122], - "darkseagreen": [143, 188, 143], - "darkslateblue": [72, 61, 139], - "darkslategray": [47, 79, 79], - "darkslategrey": [47, 79, 79], - "darkturquoise": [0, 206, 209], - "darkviolet": [148, 0, 211], - "deeppink": [255, 20, 147], - "deepskyblue": [0, 191, 255], - "dimgray": [105, 105, 105], - "dimgrey": [105, 105, 105], - "dodgerblue": [30, 144, 255], - "firebrick": [178, 34, 34], - "floralwhite": [255, 250, 240], - "forestgreen": [34, 139, 34], - "fuchsia": [255, 0, 255], - "gainsboro": [220, 220, 220], - "ghostwhite": [248, 248, 255], - "gold": [255, 215, 0], - "goldenrod": [218, 165, 32], - "gray": [128, 128, 128], - "green": [0, 128, 0], - "greenyellow": [173, 255, 47], - "grey": [128, 128, 128], - "honeydew": [240, 255, 240], - "hotpink": [255, 105, 180], - "indianred": [205, 92, 92], - "indigo": [75, 0, 130], - "ivory": [255, 255, 240], - "khaki": [240, 230, 140], - "lavender": [230, 230, 250], - "lavenderblush": [255, 240, 245], - "lawngreen": [124, 252, 0], - "lemonchiffon": [255, 250, 205], - "lightblue": [173, 216, 230], - "lightcoral": [240, 128, 128], - "lightcyan": [224, 255, 255], - "lightgoldenrodyellow": [250, 250, 210], - "lightgray": [211, 211, 211], - "lightgreen": [144, 238, 144], - "lightgrey": [211, 211, 211], - "lightpink": [255, 182, 193], - "lightsalmon": [255, 160, 122], - "lightseagreen": [32, 178, 170], - "lightskyblue": [135, 206, 250], - "lightslategray": [119, 136, 153], - "lightslategrey": [119, 136, 153], - "lightsteelblue": [176, 196, 222], - "lightyellow": [255, 255, 224], - "lime": [0, 255, 0], - "limegreen": [50, 205, 50], - "linen": [250, 240, 230], - "magenta": [255, 0, 255], - "maroon": [128, 0, 0], - "mediumaquamarine": [102, 205, 170], - "mediumblue": [0, 0, 205], - "mediumorchid": [186, 85, 211], - "mediumpurple": [147, 112, 219], - "mediumseagreen": [60, 179, 113], - "mediumslateblue": [123, 104, 238], - "mediumspringgreen": [0, 250, 154], - "mediumturquoise": [72, 209, 204], - "mediumvioletred": [199, 21, 133], - "midnightblue": [25, 25, 112], - "mintcream": [245, 255, 250], - "mistyrose": [255, 228, 225], - "moccasin": [255, 228, 181], - "navajowhite": [255, 222, 173], - "navy": [0, 0, 128], - "oldlace": [253, 245, 230], - "olive": [128, 128, 0], - "olivedrab": [107, 142, 35], - "orange": [255, 165, 0], - "orangered": [255, 69, 0], - "orchid": [218, 112, 214], - "palegoldenrod": [238, 232, 170], - "palegreen": [152, 251, 152], - "paleturquoise": [175, 238, 238], - "palevioletred": [219, 112, 147], - "papayawhip": [255, 239, 213], - "peachpuff": [255, 218, 185], - "peru": [205, 133, 63], - "pink": [255, 192, 203], - "plum": [221, 160, 221], - "powderblue": [176, 224, 230], - "purple": [128, 0, 128], - "rebeccapurple": [102, 51, 153], - "red": [255, 0, 0], - "rosybrown": [188, 143, 143], - "royalblue": [65, 105, 225], - "saddlebrown": [139, 69, 19], - "salmon": [250, 128, 114], - "sandybrown": [244, 164, 96], - "seagreen": [46, 139, 87], - "seashell": [255, 245, 238], - "sienna": [160, 82, 45], - "silver": [192, 192, 192], - "skyblue": [135, 206, 235], - "slateblue": [106, 90, 205], - "slategray": [112, 128, 144], - "slategrey": [112, 128, 144], - "snow": [255, 250, 250], - "springgreen": [0, 255, 127], - "steelblue": [70, 130, 180], - "tan": [210, 180, 140], - "teal": [0, 128, 128], - "thistle": [216, 191, 216], - "tomato": [255, 99, 71], - "turquoise": [64, 224, 208], - "violet": [238, 130, 238], - "wheat": [245, 222, 179], - "white": [255, 255, 255], - "whitesmoke": [245, 245, 245], - "yellow": [255, 255, 0], - "yellowgreen": [154, 205, 50] -}; - -/* MIT license */ - - -var colorString = { - getRgba: getRgba, - getHsla: getHsla, - getRgb: getRgb, - getHsl: getHsl, - getHwb: getHwb, - getAlpha: getAlpha, - - hexString: hexString, - rgbString: rgbString, - rgbaString: rgbaString, - percentString: percentString, - percentaString: percentaString, - hslString: hslString, - hslaString: hslaString, - hwbString: hwbString, - keyword: keyword -}; - -function getRgba(string) { - if (!string) { - return; - } - var abbr = /^#([a-fA-F0-9]{3,4})$/i, - hex = /^#([a-fA-F0-9]{6}([a-fA-F0-9]{2})?)$/i, - rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i, - per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i, - keyword = /(\w+)/; - - var rgb = [0, 0, 0], - a = 1, - match = string.match(abbr), - hexAlpha = ""; - if (match) { - match = match[1]; - hexAlpha = match[3]; - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match[i] + match[i], 16); - } - if (hexAlpha) { - a = Math.round((parseInt(hexAlpha + hexAlpha, 16) / 255) * 100) / 100; - } - } - else if (match = string.match(hex)) { - hexAlpha = match[2]; - match = match[1]; - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16); - } - if (hexAlpha) { - a = Math.round((parseInt(hexAlpha, 16) / 255) * 100) / 100; - } - } - else if (match = string.match(rgba)) { - for (var i = 0; i < rgb.length; i++) { - rgb[i] = parseInt(match[i + 1]); - } - a = parseFloat(match[4]); - } - else if (match = string.match(per)) { - for (var i = 0; i < rgb.length; i++) { - rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55); - } - a = parseFloat(match[4]); - } - else if (match = string.match(keyword)) { - if (match[1] == "transparent") { - return [0, 0, 0, 0]; - } - rgb = colorName[match[1]]; - if (!rgb) { - return; - } - } - - for (var i = 0; i < rgb.length; i++) { - rgb[i] = scale(rgb[i], 0, 255); - } - if (!a && a != 0) { - a = 1; - } - else { - a = scale(a, 0, 1); - } - rgb[3] = a; - return rgb; -} - -function getHsla(string) { - if (!string) { - return; - } - var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; - var match = string.match(hsl); - if (match) { - var alpha = parseFloat(match[4]); - var h = scale(parseInt(match[1]), 0, 360), - s = scale(parseFloat(match[2]), 0, 100), - l = scale(parseFloat(match[3]), 0, 100), - a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); - return [h, s, l, a]; - } -} - -function getHwb(string) { - if (!string) { - return; - } - var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; - var match = string.match(hwb); - if (match) { - var alpha = parseFloat(match[4]); - var h = scale(parseInt(match[1]), 0, 360), - w = scale(parseFloat(match[2]), 0, 100), - b = scale(parseFloat(match[3]), 0, 100), - a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); - return [h, w, b, a]; - } -} - -function getRgb(string) { - var rgba = getRgba(string); - return rgba && rgba.slice(0, 3); -} - -function getHsl(string) { - var hsla = getHsla(string); - return hsla && hsla.slice(0, 3); -} - -function getAlpha(string) { - var vals = getRgba(string); - if (vals) { - return vals[3]; - } - else if (vals = getHsla(string)) { - return vals[3]; - } - else if (vals = getHwb(string)) { - return vals[3]; - } -} - -// generators -function hexString(rgba, a) { - var a = (a !== undefined && rgba.length === 3) ? a : rgba[3]; - return "#" + hexDouble(rgba[0]) - + hexDouble(rgba[1]) - + hexDouble(rgba[2]) - + ( - (a >= 0 && a < 1) - ? hexDouble(Math.round(a * 255)) - : "" - ); -} - -function rgbString(rgba, alpha) { - if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { - return rgbaString(rgba, alpha); - } - return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")"; -} - -function rgbaString(rgba, alpha) { - if (alpha === undefined) { - alpha = (rgba[3] !== undefined ? rgba[3] : 1); - } - return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] - + ", " + alpha + ")"; -} - -function percentString(rgba, alpha) { - if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { - return percentaString(rgba, alpha); - } - var r = Math.round(rgba[0]/255 * 100), - g = Math.round(rgba[1]/255 * 100), - b = Math.round(rgba[2]/255 * 100); - - return "rgb(" + r + "%, " + g + "%, " + b + "%)"; -} - -function percentaString(rgba, alpha) { - var r = Math.round(rgba[0]/255 * 100), - g = Math.round(rgba[1]/255 * 100), - b = Math.round(rgba[2]/255 * 100); - return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")"; -} - -function hslString(hsla, alpha) { - if (alpha < 1 || (hsla[3] && hsla[3] < 1)) { - return hslaString(hsla, alpha); - } - return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)"; -} - -function hslaString(hsla, alpha) { - if (alpha === undefined) { - alpha = (hsla[3] !== undefined ? hsla[3] : 1); - } - return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, " - + alpha + ")"; -} - -// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax -// (hwb have alpha optional & 1 is default value) -function hwbString(hwb, alpha) { - if (alpha === undefined) { - alpha = (hwb[3] !== undefined ? hwb[3] : 1); - } - return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%" - + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")"; -} - -function keyword(rgb) { - return reverseNames[rgb.slice(0, 3)]; -} - -// helpers -function scale(num, min, max) { - return Math.min(Math.max(min, num), max); -} - -function hexDouble(num) { - var str = num.toString(16).toUpperCase(); - return (str.length < 2) ? "0" + str : str; -} - - -//create a list of reverse color names -var reverseNames = {}; -for (var name in colorName) { - reverseNames[colorName[name]] = name; -} - -/* MIT license */ - - - -var Color = function (obj) { - if (obj instanceof Color) { - return obj; - } - if (!(this instanceof Color)) { - return new Color(obj); - } - - this.valid = false; - this.values = { - rgb: [0, 0, 0], - hsl: [0, 0, 0], - hsv: [0, 0, 0], - hwb: [0, 0, 0], - cmyk: [0, 0, 0, 0], - alpha: 1 - }; - - // parse Color() argument - var vals; - if (typeof obj === 'string') { - vals = colorString.getRgba(obj); - if (vals) { - this.setValues('rgb', vals); - } else if (vals = colorString.getHsla(obj)) { - this.setValues('hsl', vals); - } else if (vals = colorString.getHwb(obj)) { - this.setValues('hwb', vals); - } - } else if (typeof obj === 'object') { - vals = obj; - if (vals.r !== undefined || vals.red !== undefined) { - this.setValues('rgb', vals); - } else if (vals.l !== undefined || vals.lightness !== undefined) { - this.setValues('hsl', vals); - } else if (vals.v !== undefined || vals.value !== undefined) { - this.setValues('hsv', vals); - } else if (vals.w !== undefined || vals.whiteness !== undefined) { - this.setValues('hwb', vals); - } else if (vals.c !== undefined || vals.cyan !== undefined) { - this.setValues('cmyk', vals); - } - } -}; - -Color.prototype = { - isValid: function () { - return this.valid; - }, - rgb: function () { - return this.setSpace('rgb', arguments); - }, - hsl: function () { - return this.setSpace('hsl', arguments); - }, - hsv: function () { - return this.setSpace('hsv', arguments); - }, - hwb: function () { - return this.setSpace('hwb', arguments); - }, - cmyk: function () { - return this.setSpace('cmyk', arguments); - }, - - rgbArray: function () { - return this.values.rgb; - }, - hslArray: function () { - return this.values.hsl; - }, - hsvArray: function () { - return this.values.hsv; - }, - hwbArray: function () { - var values = this.values; - if (values.alpha !== 1) { - return values.hwb.concat([values.alpha]); - } - return values.hwb; - }, - cmykArray: function () { - return this.values.cmyk; - }, - rgbaArray: function () { - var values = this.values; - return values.rgb.concat([values.alpha]); - }, - hslaArray: function () { - var values = this.values; - return values.hsl.concat([values.alpha]); - }, - alpha: function (val) { - if (val === undefined) { - return this.values.alpha; - } - this.setValues('alpha', val); - return this; - }, - - red: function (val) { - return this.setChannel('rgb', 0, val); - }, - green: function (val) { - return this.setChannel('rgb', 1, val); - }, - blue: function (val) { - return this.setChannel('rgb', 2, val); - }, - hue: function (val) { - if (val) { - val %= 360; - val = val < 0 ? 360 + val : val; - } - return this.setChannel('hsl', 0, val); - }, - saturation: function (val) { - return this.setChannel('hsl', 1, val); - }, - lightness: function (val) { - return this.setChannel('hsl', 2, val); - }, - saturationv: function (val) { - return this.setChannel('hsv', 1, val); - }, - whiteness: function (val) { - return this.setChannel('hwb', 1, val); - }, - blackness: function (val) { - return this.setChannel('hwb', 2, val); - }, - value: function (val) { - return this.setChannel('hsv', 2, val); - }, - cyan: function (val) { - return this.setChannel('cmyk', 0, val); - }, - magenta: function (val) { - return this.setChannel('cmyk', 1, val); - }, - yellow: function (val) { - return this.setChannel('cmyk', 2, val); - }, - black: function (val) { - return this.setChannel('cmyk', 3, val); - }, - - hexString: function () { - return colorString.hexString(this.values.rgb); - }, - rgbString: function () { - return colorString.rgbString(this.values.rgb, this.values.alpha); - }, - rgbaString: function () { - return colorString.rgbaString(this.values.rgb, this.values.alpha); - }, - percentString: function () { - return colorString.percentString(this.values.rgb, this.values.alpha); - }, - hslString: function () { - return colorString.hslString(this.values.hsl, this.values.alpha); - }, - hslaString: function () { - return colorString.hslaString(this.values.hsl, this.values.alpha); - }, - hwbString: function () { - return colorString.hwbString(this.values.hwb, this.values.alpha); - }, - keyword: function () { - return colorString.keyword(this.values.rgb, this.values.alpha); - }, - - rgbNumber: function () { - var rgb = this.values.rgb; - return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2]; - }, - - luminosity: function () { - // http://www.w3.org/TR/WCAG20/#relativeluminancedef - var rgb = this.values.rgb; - var lum = []; - for (var i = 0; i < rgb.length; i++) { - var chan = rgb[i] / 255; - lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4); - } - return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2]; - }, - - contrast: function (color2) { - // http://www.w3.org/TR/WCAG20/#contrast-ratiodef - var lum1 = this.luminosity(); - var lum2 = color2.luminosity(); - if (lum1 > lum2) { - return (lum1 + 0.05) / (lum2 + 0.05); - } - return (lum2 + 0.05) / (lum1 + 0.05); - }, - - level: function (color2) { - var contrastRatio = this.contrast(color2); - if (contrastRatio >= 7.1) { - return 'AAA'; - } - - return (contrastRatio >= 4.5) ? 'AA' : ''; - }, - - dark: function () { - // YIQ equation from http://24ways.org/2010/calculating-color-contrast - var rgb = this.values.rgb; - var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; - return yiq < 128; - }, - - light: function () { - return !this.dark(); - }, - - negate: function () { - var rgb = []; - for (var i = 0; i < 3; i++) { - rgb[i] = 255 - this.values.rgb[i]; - } - this.setValues('rgb', rgb); - return this; - }, - - lighten: function (ratio) { - var hsl = this.values.hsl; - hsl[2] += hsl[2] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - darken: function (ratio) { - var hsl = this.values.hsl; - hsl[2] -= hsl[2] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - saturate: function (ratio) { - var hsl = this.values.hsl; - hsl[1] += hsl[1] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - desaturate: function (ratio) { - var hsl = this.values.hsl; - hsl[1] -= hsl[1] * ratio; - this.setValues('hsl', hsl); - return this; - }, - - whiten: function (ratio) { - var hwb = this.values.hwb; - hwb[1] += hwb[1] * ratio; - this.setValues('hwb', hwb); - return this; - }, - - blacken: function (ratio) { - var hwb = this.values.hwb; - hwb[2] += hwb[2] * ratio; - this.setValues('hwb', hwb); - return this; - }, - - greyscale: function () { - var rgb = this.values.rgb; - // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale - var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; - this.setValues('rgb', [val, val, val]); - return this; - }, - - clearer: function (ratio) { - var alpha = this.values.alpha; - this.setValues('alpha', alpha - (alpha * ratio)); - return this; - }, - - opaquer: function (ratio) { - var alpha = this.values.alpha; - this.setValues('alpha', alpha + (alpha * ratio)); - return this; - }, - - rotate: function (degrees) { - var hsl = this.values.hsl; - var hue = (hsl[0] + degrees) % 360; - hsl[0] = hue < 0 ? 360 + hue : hue; - this.setValues('hsl', hsl); - return this; - }, - - /** - * Ported from sass implementation in C - * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209 - */ - mix: function (mixinColor, weight) { - var color1 = this; - var color2 = mixinColor; - var p = weight === undefined ? 0.5 : weight; - - var w = 2 * p - 1; - var a = color1.alpha() - color2.alpha(); - - var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; - var w2 = 1 - w1; - - return this - .rgb( - w1 * color1.red() + w2 * color2.red(), - w1 * color1.green() + w2 * color2.green(), - w1 * color1.blue() + w2 * color2.blue() - ) - .alpha(color1.alpha() * p + color2.alpha() * (1 - p)); - }, - - toJSON: function () { - return this.rgb(); - }, - - clone: function () { - // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify, - // making the final build way to big to embed in Chart.js. So let's do it manually, - // assuming that values to clone are 1 dimension arrays containing only numbers, - // except 'alpha' which is a number. - var result = new Color(); - var source = this.values; - var target = result.values; - var value, type; - - for (var prop in source) { - if (source.hasOwnProperty(prop)) { - value = source[prop]; - type = ({}).toString.call(value); - if (type === '[object Array]') { - target[prop] = value.slice(0); - } else if (type === '[object Number]') { - target[prop] = value; - } else { - console.error('unexpected color value:', value); - } - } - } - - return result; - } -}; - -Color.prototype.spaces = { - rgb: ['red', 'green', 'blue'], - hsl: ['hue', 'saturation', 'lightness'], - hsv: ['hue', 'saturation', 'value'], - hwb: ['hue', 'whiteness', 'blackness'], - cmyk: ['cyan', 'magenta', 'yellow', 'black'] -}; - -Color.prototype.maxes = { - rgb: [255, 255, 255], - hsl: [360, 100, 100], - hsv: [360, 100, 100], - hwb: [360, 100, 100], - cmyk: [100, 100, 100, 100] -}; - -Color.prototype.getValues = function (space) { - var values = this.values; - var vals = {}; - - for (var i = 0; i < space.length; i++) { - vals[space.charAt(i)] = values[space][i]; - } - - if (values.alpha !== 1) { - vals.a = values.alpha; - } - - // {r: 255, g: 255, b: 255, a: 0.4} - return vals; -}; - -Color.prototype.setValues = function (space, vals) { - var values = this.values; - var spaces = this.spaces; - var maxes = this.maxes; - var alpha = 1; - var i; - - this.valid = true; - - if (space === 'alpha') { - alpha = vals; - } else if (vals.length) { - // [10, 10, 10] - values[space] = vals.slice(0, space.length); - alpha = vals[space.length]; - } else if (vals[space.charAt(0)] !== undefined) { - // {r: 10, g: 10, b: 10} - for (i = 0; i < space.length; i++) { - values[space][i] = vals[space.charAt(i)]; - } - - alpha = vals.a; - } else if (vals[spaces[space][0]] !== undefined) { - // {red: 10, green: 10, blue: 10} - var chans = spaces[space]; - - for (i = 0; i < space.length; i++) { - values[space][i] = vals[chans[i]]; - } - - alpha = vals.alpha; - } - - values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha))); - - if (space === 'alpha') { - return false; - } - - var capped; - - // cap values of the space prior converting all values - for (i = 0; i < space.length; i++) { - capped = Math.max(0, Math.min(maxes[space][i], values[space][i])); - values[space][i] = Math.round(capped); - } - - // convert to all the other color spaces - for (var sname in spaces) { - if (sname !== space) { - values[sname] = colorConvert[space][sname](values[space]); - } - } - - return true; -}; - -Color.prototype.setSpace = function (space, args) { - var vals = args[0]; - - if (vals === undefined) { - // color.rgb() - return this.getValues(space); - } - - // color.rgb(10, 10, 10) - if (typeof vals === 'number') { - vals = Array.prototype.slice.call(args); - } - - this.setValues(space, vals); - return this; -}; - -Color.prototype.setChannel = function (space, index, val) { - var svalues = this.values[space]; - if (val === undefined) { - // color.red() - return svalues[index]; - } else if (val === svalues[index]) { - // color.red(color.red()) - return this; - } - - // color.red(100) - svalues[index] = val; - this.setValues(space, svalues); - - return this; -}; - -if (typeof window !== 'undefined') { - window.Color = Color; -} - -var chartjsColor = Color; - -/** - * @namespace Chart.helpers - */ -var helpers = { - /** - * An empty function that can be used, for example, for optional callback. - */ - noop: function() {}, - - /** - * Returns a unique id, sequentially generated from a global variable. - * @returns {number} - * @function - */ - uid: (function() { - var id = 0; - return function() { - return id++; - }; - }()), - - /** - * Returns true if `value` is neither null nor undefined, else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @since 2.7.0 - */ - isNullOrUndef: function(value) { - return value === null || typeof value === 'undefined'; - }, - - /** - * Returns true if `value` is an array (including typed arrays), else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @function - */ - isArray: function(value) { - if (Array.isArray && Array.isArray(value)) { - return true; - } - var type = Object.prototype.toString.call(value); - if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') { - return true; - } - return false; - }, - - /** - * Returns true if `value` is an object (excluding null), else returns false. - * @param {*} value - The value to test. - * @returns {boolean} - * @since 2.7.0 - */ - isObject: function(value) { - return value !== null && Object.prototype.toString.call(value) === '[object Object]'; - }, - - /** - * Returns true if `value` is a finite number, else returns false - * @param {*} value - The value to test. - * @returns {boolean} - */ - isFinite: function(value) { - return (typeof value === 'number' || value instanceof Number) && isFinite(value); - }, - - /** - * Returns `value` if defined, else returns `defaultValue`. - * @param {*} value - The value to return if defined. - * @param {*} defaultValue - The value to return if `value` is undefined. - * @returns {*} - */ - valueOrDefault: function(value, defaultValue) { - return typeof value === 'undefined' ? defaultValue : value; - }, - - /** - * Returns value at the given `index` in array if defined, else returns `defaultValue`. - * @param {Array} value - The array to lookup for value at `index`. - * @param {number} index - The index in `value` to lookup for value. - * @param {*} defaultValue - The value to return if `value[index]` is undefined. - * @returns {*} - */ - valueAtIndexOrDefault: function(value, index, defaultValue) { - return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue); - }, - - /** - * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the - * value returned by `fn`. If `fn` is not a function, this method returns undefined. - * @param {function} fn - The function to call. - * @param {Array|undefined|null} args - The arguments with which `fn` should be called. - * @param {object} [thisArg] - The value of `this` provided for the call to `fn`. - * @returns {*} - */ - callback: function(fn, args, thisArg) { - if (fn && typeof fn.call === 'function') { - return fn.apply(thisArg, args); - } - }, - - /** - * Note(SB) for performance sake, this method should only be used when loopable type - * is unknown or in none intensive code (not called often and small loopable). Else - * it's preferable to use a regular for() loop and save extra function calls. - * @param {object|Array} loopable - The object or array to be iterated. - * @param {function} fn - The function to call for each item. - * @param {object} [thisArg] - The value of `this` provided for the call to `fn`. - * @param {boolean} [reverse] - If true, iterates backward on the loopable. - */ - each: function(loopable, fn, thisArg, reverse) { - var i, len, keys; - if (helpers.isArray(loopable)) { - len = loopable.length; - if (reverse) { - for (i = len - 1; i >= 0; i--) { - fn.call(thisArg, loopable[i], i); - } - } else { - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[i], i); - } - } - } else if (helpers.isObject(loopable)) { - keys = Object.keys(loopable); - len = keys.length; - for (i = 0; i < len; i++) { - fn.call(thisArg, loopable[keys[i]], keys[i]); - } - } - }, - - /** - * Returns true if the `a0` and `a1` arrays have the same content, else returns false. - * @see https://stackoverflow.com/a/14853974 - * @param {Array} a0 - The array to compare - * @param {Array} a1 - The array to compare - * @returns {boolean} - */ - arrayEquals: function(a0, a1) { - var i, ilen, v0, v1; - - if (!a0 || !a1 || a0.length !== a1.length) { - return false; - } - - for (i = 0, ilen = a0.length; i < ilen; ++i) { - v0 = a0[i]; - v1 = a1[i]; - - if (v0 instanceof Array && v1 instanceof Array) { - if (!helpers.arrayEquals(v0, v1)) { - return false; - } - } else if (v0 !== v1) { - // NOTE: two different object instances will never be equal: {x:20} != {x:20} - return false; - } - } - - return true; - }, - - /** - * Returns a deep copy of `source` without keeping references on objects and arrays. - * @param {*} source - The value to clone. - * @returns {*} - */ - clone: function(source) { - if (helpers.isArray(source)) { - return source.map(helpers.clone); - } - - if (helpers.isObject(source)) { - var target = {}; - var keys = Object.keys(source); - var klen = keys.length; - var k = 0; - - for (; k < klen; ++k) { - target[keys[k]] = helpers.clone(source[keys[k]]); - } - - return target; - } - - return source; - }, - - /** - * The default merger when Chart.helpers.merge is called without merger option. - * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback. - * @private - */ - _merger: function(key, target, source, options) { - var tval = target[key]; - var sval = source[key]; - - if (helpers.isObject(tval) && helpers.isObject(sval)) { - helpers.merge(tval, sval, options); - } else { - target[key] = helpers.clone(sval); - } - }, - - /** - * Merges source[key] in target[key] only if target[key] is undefined. - * @private - */ - _mergerIf: function(key, target, source) { - var tval = target[key]; - var sval = source[key]; - - if (helpers.isObject(tval) && helpers.isObject(sval)) { - helpers.mergeIf(tval, sval); - } else if (!target.hasOwnProperty(key)) { - target[key] = helpers.clone(sval); - } - }, - - /** - * Recursively deep copies `source` properties into `target` with the given `options`. - * IMPORTANT: `target` is not cloned and will be updated with `source` properties. - * @param {object} target - The target object in which all sources are merged into. - * @param {object|object[]} source - Object(s) to merge into `target`. - * @param {object} [options] - Merging options: - * @param {function} [options.merger] - The merge method (key, target, source, options) - * @returns {object} The `target` object. - */ - merge: function(target, source, options) { - var sources = helpers.isArray(source) ? source : [source]; - var ilen = sources.length; - var merge, i, keys, klen, k; - - if (!helpers.isObject(target)) { - return target; - } - - options = options || {}; - merge = options.merger || helpers._merger; - - for (i = 0; i < ilen; ++i) { - source = sources[i]; - if (!helpers.isObject(source)) { - continue; - } - - keys = Object.keys(source); - for (k = 0, klen = keys.length; k < klen; ++k) { - merge(keys[k], target, source, options); - } - } - - return target; - }, - - /** - * Recursively deep copies `source` properties into `target` *only* if not defined in target. - * IMPORTANT: `target` is not cloned and will be updated with `source` properties. - * @param {object} target - The target object in which all sources are merged into. - * @param {object|object[]} source - Object(s) to merge into `target`. - * @returns {object} The `target` object. - */ - mergeIf: function(target, source) { - return helpers.merge(target, source, {merger: helpers._mergerIf}); - }, - - /** - * Applies the contents of two or more objects together into the first object. - * @param {object} target - The target object in which all objects are merged into. - * @param {object} arg1 - Object containing additional properties to merge in target. - * @param {object} argN - Additional objects containing properties to merge in target. - * @returns {object} The `target` object. - */ - extend: function(target) { - var setFn = function(value, key) { - target[key] = value; - }; - for (var i = 1, ilen = arguments.length; i < ilen; ++i) { - helpers.each(arguments[i], setFn); - } - return target; - }, - - /** - * Basic javascript inheritance based on the model created in Backbone.js - */ - inherits: function(extensions) { - var me = this; - var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() { - return me.apply(this, arguments); - }; - - var Surrogate = function() { - this.constructor = ChartElement; - }; - - Surrogate.prototype = me.prototype; - ChartElement.prototype = new Surrogate(); - ChartElement.extend = helpers.inherits; - - if (extensions) { - helpers.extend(ChartElement.prototype, extensions); - } - - ChartElement.__super__ = me.prototype; - return ChartElement; - } -}; - -var helpers_core = helpers; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.helpers.callback instead. - * @function Chart.helpers.callCallback - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ -helpers.callCallback = helpers.callback; - -/** - * Provided for backward compatibility, use Array.prototype.indexOf instead. - * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+ - * @function Chart.helpers.indexOf - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers.indexOf = function(array, item, fromIndex) { - return Array.prototype.indexOf.call(array, item, fromIndex); -}; - -/** - * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead. - * @function Chart.helpers.getValueOrDefault - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers.getValueOrDefault = helpers.valueOrDefault; - -/** - * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead. - * @function Chart.helpers.getValueAtIndexOrDefault - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault; - -/** - * Easing functions adapted from Robert Penner's easing equations. - * @namespace Chart.helpers.easingEffects - * @see http://www.robertpenner.com/easing/ - */ -var effects = { - linear: function(t) { - return t; - }, - - easeInQuad: function(t) { - return t * t; - }, - - easeOutQuad: function(t) { - return -t * (t - 2); - }, - - easeInOutQuad: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t; - } - return -0.5 * ((--t) * (t - 2) - 1); - }, - - easeInCubic: function(t) { - return t * t * t; - }, - - easeOutCubic: function(t) { - return (t = t - 1) * t * t + 1; - }, - - easeInOutCubic: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t; - } - return 0.5 * ((t -= 2) * t * t + 2); - }, - - easeInQuart: function(t) { - return t * t * t * t; - }, - - easeOutQuart: function(t) { - return -((t = t - 1) * t * t * t - 1); - }, - - easeInOutQuart: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t * t; - } - return -0.5 * ((t -= 2) * t * t * t - 2); - }, - - easeInQuint: function(t) { - return t * t * t * t * t; - }, - - easeOutQuint: function(t) { - return (t = t - 1) * t * t * t * t + 1; - }, - - easeInOutQuint: function(t) { - if ((t /= 0.5) < 1) { - return 0.5 * t * t * t * t * t; - } - return 0.5 * ((t -= 2) * t * t * t * t + 2); - }, - - easeInSine: function(t) { - return -Math.cos(t * (Math.PI / 2)) + 1; - }, - - easeOutSine: function(t) { - return Math.sin(t * (Math.PI / 2)); - }, - - easeInOutSine: function(t) { - return -0.5 * (Math.cos(Math.PI * t) - 1); - }, - - easeInExpo: function(t) { - return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)); - }, - - easeOutExpo: function(t) { - return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1; - }, - - easeInOutExpo: function(t) { - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if ((t /= 0.5) < 1) { - return 0.5 * Math.pow(2, 10 * (t - 1)); - } - return 0.5 * (-Math.pow(2, -10 * --t) + 2); - }, - - easeInCirc: function(t) { - if (t >= 1) { - return t; - } - return -(Math.sqrt(1 - t * t) - 1); - }, - - easeOutCirc: function(t) { - return Math.sqrt(1 - (t = t - 1) * t); - }, - - easeInOutCirc: function(t) { - if ((t /= 0.5) < 1) { - return -0.5 * (Math.sqrt(1 - t * t) - 1); - } - return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1); - }, - - easeInElastic: function(t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if (!p) { - p = 0.3; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); - }, - - easeOutElastic: function(t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if (t === 1) { - return 1; - } - if (!p) { - p = 0.3; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1; - }, - - easeInOutElastic: function(t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0) { - return 0; - } - if ((t /= 0.5) === 2) { - return 1; - } - if (!p) { - p = 0.45; - } - if (a < 1) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - if (t < 1) { - return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); - } - return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1; - }, - easeInBack: function(t) { - var s = 1.70158; - return t * t * ((s + 1) * t - s); - }, - - easeOutBack: function(t) { - var s = 1.70158; - return (t = t - 1) * t * ((s + 1) * t + s) + 1; - }, - - easeInOutBack: function(t) { - var s = 1.70158; - if ((t /= 0.5) < 1) { - return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s)); - } - return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); - }, - - easeInBounce: function(t) { - return 1 - effects.easeOutBounce(1 - t); - }, - - easeOutBounce: function(t) { - if (t < (1 / 2.75)) { - return 7.5625 * t * t; - } - if (t < (2 / 2.75)) { - return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75; - } - if (t < (2.5 / 2.75)) { - return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375; - } - return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375; - }, - - easeInOutBounce: function(t) { - if (t < 0.5) { - return effects.easeInBounce(t * 2) * 0.5; - } - return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5; - } -}; - -var helpers_easing = { - effects: effects -}; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.helpers.easing.effects instead. - * @function Chart.helpers.easingEffects - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers_core.easingEffects = effects; - -var PI = Math.PI; -var RAD_PER_DEG = PI / 180; -var DOUBLE_PI = PI * 2; -var HALF_PI = PI / 2; -var QUARTER_PI = PI / 4; -var TWO_THIRDS_PI = PI * 2 / 3; - -/** - * @namespace Chart.helpers.canvas - */ -var exports$1 = { - /** - * Clears the entire canvas associated to the given `chart`. - * @param {Chart} chart - The chart for which to clear the canvas. - */ - clear: function(chart) { - chart.ctx.clearRect(0, 0, chart.width, chart.height); - }, - - /** - * Creates a "path" for a rectangle with rounded corners at position (x, y) with a - * given size (width, height) and the same `radius` for all corners. - * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context. - * @param {number} x - The x axis of the coordinate for the rectangle starting point. - * @param {number} y - The y axis of the coordinate for the rectangle starting point. - * @param {number} width - The rectangle's width. - * @param {number} height - The rectangle's height. - * @param {number} radius - The rounded amount (in pixels) for the four corners. - * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object? - */ - roundedRect: function(ctx, x, y, width, height, radius) { - if (radius) { - var r = Math.min(radius, height / 2, width / 2); - var left = x + r; - var top = y + r; - var right = x + width - r; - var bottom = y + height - r; - - ctx.moveTo(x, top); - if (left < right && top < bottom) { - ctx.arc(left, top, r, -PI, -HALF_PI); - ctx.arc(right, top, r, -HALF_PI, 0); - ctx.arc(right, bottom, r, 0, HALF_PI); - ctx.arc(left, bottom, r, HALF_PI, PI); - } else if (left < right) { - ctx.moveTo(left, y); - ctx.arc(right, top, r, -HALF_PI, HALF_PI); - ctx.arc(left, top, r, HALF_PI, PI + HALF_PI); - } else if (top < bottom) { - ctx.arc(left, top, r, -PI, 0); - ctx.arc(left, bottom, r, 0, PI); - } else { - ctx.arc(left, top, r, -PI, PI); - } - ctx.closePath(); - ctx.moveTo(x, y); - } else { - ctx.rect(x, y, width, height); - } - }, - - drawPoint: function(ctx, style, radius, x, y, rotation) { - var type, xOffset, yOffset, size, cornerRadius; - var rad = (rotation || 0) * RAD_PER_DEG; - - if (style && typeof style === 'object') { - type = style.toString(); - if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { - ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height); - return; - } - } - - if (isNaN(radius) || radius <= 0) { - return; - } - - ctx.beginPath(); - - switch (style) { - // Default includes circle - default: - ctx.arc(x, y, radius, 0, DOUBLE_PI); - ctx.closePath(); - break; - case 'triangle': - ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - rad += TWO_THIRDS_PI; - ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - rad += TWO_THIRDS_PI; - ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); - ctx.closePath(); - break; - case 'rectRounded': - // NOTE: the rounded rect implementation changed to use `arc` instead of - // `quadraticCurveTo` since it generates better results when rect is - // almost a circle. 0.516 (instead of 0.5) produces results with visually - // closer proportion to the previous impl and it is inscribed in the - // circle with `radius`. For more details, see the following PRs: - // https://github.com/chartjs/Chart.js/issues/5597 - // https://github.com/chartjs/Chart.js/issues/5858 - cornerRadius = radius * 0.516; - size = radius - cornerRadius; - xOffset = Math.cos(rad + QUARTER_PI) * size; - yOffset = Math.sin(rad + QUARTER_PI) * size; - ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI); - ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad); - ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI); - ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI); - ctx.closePath(); - break; - case 'rect': - if (!rotation) { - size = Math.SQRT1_2 * radius; - ctx.rect(x - size, y - size, 2 * size, 2 * size); - break; - } - rad += QUARTER_PI; - /* falls through */ - case 'rectRot': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + yOffset, y - xOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.lineTo(x - yOffset, y + xOffset); - ctx.closePath(); - break; - case 'crossRot': - rad += QUARTER_PI; - /* falls through */ - case 'cross': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - break; - case 'star': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - rad += QUARTER_PI; - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - ctx.moveTo(x + yOffset, y - xOffset); - ctx.lineTo(x - yOffset, y + xOffset); - break; - case 'line': - xOffset = Math.cos(rad) * radius; - yOffset = Math.sin(rad) * radius; - ctx.moveTo(x - xOffset, y - yOffset); - ctx.lineTo(x + xOffset, y + yOffset); - break; - case 'dash': - ctx.moveTo(x, y); - ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius); - break; - } - - ctx.fill(); - ctx.stroke(); - }, - - /** - * Returns true if the point is inside the rectangle - * @param {object} point - The point to test - * @param {object} area - The rectangle - * @returns {boolean} - * @private - */ - _isPointInArea: function(point, area) { - var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error. - - return point.x > area.left - epsilon && point.x < area.right + epsilon && - point.y > area.top - epsilon && point.y < area.bottom + epsilon; - }, - - clipArea: function(ctx, area) { - ctx.save(); - ctx.beginPath(); - ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); - ctx.clip(); - }, - - unclipArea: function(ctx) { - ctx.restore(); - }, - - lineTo: function(ctx, previous, target, flip) { - var stepped = target.steppedLine; - if (stepped) { - if (stepped === 'middle') { - var midpoint = (previous.x + target.x) / 2.0; - ctx.lineTo(midpoint, flip ? target.y : previous.y); - ctx.lineTo(midpoint, flip ? previous.y : target.y); - } else if ((stepped === 'after' && !flip) || (stepped !== 'after' && flip)) { - ctx.lineTo(previous.x, target.y); - } else { - ctx.lineTo(target.x, previous.y); - } - ctx.lineTo(target.x, target.y); - return; - } - - if (!target.tension) { - ctx.lineTo(target.x, target.y); - return; - } - - ctx.bezierCurveTo( - flip ? previous.controlPointPreviousX : previous.controlPointNextX, - flip ? previous.controlPointPreviousY : previous.controlPointNextY, - flip ? target.controlPointNextX : target.controlPointPreviousX, - flip ? target.controlPointNextY : target.controlPointPreviousY, - target.x, - target.y); - } -}; - -var helpers_canvas = exports$1; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.helpers.canvas.clear instead. - * @namespace Chart.helpers.clear - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers_core.clear = exports$1.clear; - -/** - * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead. - * @namespace Chart.helpers.drawRoundedRectangle - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers_core.drawRoundedRectangle = function(ctx) { - ctx.beginPath(); - exports$1.roundedRect.apply(exports$1, arguments); -}; - -var defaults = { - /** - * @private - */ - _set: function(scope, values) { - return helpers_core.merge(this[scope] || (this[scope] = {}), values); - } -}; - -defaults._set('global', { - defaultColor: 'rgba(0,0,0,0.1)', - defaultFontColor: '#666', - defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", - defaultFontSize: 12, - defaultFontStyle: 'normal', - defaultLineHeight: 1.2, - showLines: true -}); - -var core_defaults = defaults; - -var valueOrDefault = helpers_core.valueOrDefault; - -/** - * Converts the given font object into a CSS font string. - * @param {object} font - A font object. - * @return {string} The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font - * @private - */ -function toFontString(font) { - if (!font || helpers_core.isNullOrUndef(font.size) || helpers_core.isNullOrUndef(font.family)) { - return null; - } - - return (font.style ? font.style + ' ' : '') - + (font.weight ? font.weight + ' ' : '') - + font.size + 'px ' - + font.family; -} - -/** - * @alias Chart.helpers.options - * @namespace - */ -var helpers_options = { - /** - * Converts the given line height `value` in pixels for a specific font `size`. - * @param {number|string} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em'). - * @param {number} size - The font size (in pixels) used to resolve relative `value`. - * @returns {number} The effective line height in pixels (size * 1.2 if value is invalid). - * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height - * @since 2.7.0 - */ - toLineHeight: function(value, size) { - var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/); - if (!matches || matches[1] === 'normal') { - return size * 1.2; - } - - value = +matches[2]; - - switch (matches[3]) { - case 'px': - return value; - case '%': - value /= 100; - break; - default: - break; - } - - return size * value; - }, - - /** - * Converts the given value into a padding object with pre-computed width/height. - * @param {number|object} value - If a number, set the value to all TRBL component, - * else, if and object, use defined properties and sets undefined ones to 0. - * @returns {object} The padding values (top, right, bottom, left, width, height) - * @since 2.7.0 - */ - toPadding: function(value) { - var t, r, b, l; - - if (helpers_core.isObject(value)) { - t = +value.top || 0; - r = +value.right || 0; - b = +value.bottom || 0; - l = +value.left || 0; - } else { - t = r = b = l = +value || 0; - } - - return { - top: t, - right: r, - bottom: b, - left: l, - height: t + b, - width: l + r - }; - }, - - /** - * Parses font options and returns the font object. - * @param {object} options - A object that contains font options to be parsed. - * @return {object} The font object. - * @todo Support font.* options and renamed to toFont(). - * @private - */ - _parseFont: function(options) { - var globalDefaults = core_defaults.global; - var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize); - var font = { - family: valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily), - lineHeight: helpers_core.options.toLineHeight(valueOrDefault(options.lineHeight, globalDefaults.defaultLineHeight), size), - size: size, - style: valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle), - weight: null, - string: '' - }; - - font.string = toFontString(font); - return font; - }, - - /** - * Evaluates the given `inputs` sequentially and returns the first defined value. - * @param {Array} inputs - An array of values, falling back to the last value. - * @param {object} [context] - If defined and the current value is a function, the value - * is called with `context` as first argument and the result becomes the new input. - * @param {number} [index] - If defined and the current value is an array, the value - * at `index` become the new input. - * @since 2.7.0 - */ - resolve: function(inputs, context, index) { - var i, ilen, value; - - for (i = 0, ilen = inputs.length; i < ilen; ++i) { - value = inputs[i]; - if (value === undefined) { - continue; - } - if (context !== undefined && typeof value === 'function') { - value = value(context); - } - if (index !== undefined && helpers_core.isArray(value)) { - value = value[index]; - } - if (value !== undefined) { - return value; - } - } - } -}; - -var helpers$1 = helpers_core; -var easing = helpers_easing; -var canvas = helpers_canvas; -var options = helpers_options; -helpers$1.easing = easing; -helpers$1.canvas = canvas; -helpers$1.options = options; - -function interpolate(start, view, model, ease) { - var keys = Object.keys(model); - var i, ilen, key, actual, origin, target, type, c0, c1; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - - target = model[key]; - - // if a value is added to the model after pivot() has been called, the view - // doesn't contain it, so let's initialize the view to the target value. - if (!view.hasOwnProperty(key)) { - view[key] = target; - } - - actual = view[key]; - - if (actual === target || key[0] === '_') { - continue; - } - - if (!start.hasOwnProperty(key)) { - start[key] = actual; - } - - origin = start[key]; - - type = typeof target; - - if (type === typeof origin) { - if (type === 'string') { - c0 = chartjsColor(origin); - if (c0.valid) { - c1 = chartjsColor(target); - if (c1.valid) { - view[key] = c1.mix(c0, ease).rgbString(); - continue; - } - } - } else if (helpers$1.isFinite(origin) && helpers$1.isFinite(target)) { - view[key] = origin + (target - origin) * ease; - continue; - } - } - - view[key] = target; - } -} - -var Element = function(configuration) { - helpers$1.extend(this, configuration); - this.initialize.apply(this, arguments); -}; - -helpers$1.extend(Element.prototype, { - - initialize: function() { - this.hidden = false; - }, - - pivot: function() { - var me = this; - if (!me._view) { - me._view = helpers$1.clone(me._model); - } - me._start = {}; - return me; - }, - - transition: function(ease) { - var me = this; - var model = me._model; - var start = me._start; - var view = me._view; - - // No animation -> No Transition - if (!model || ease === 1) { - me._view = model; - me._start = null; - return me; - } - - if (!view) { - view = me._view = {}; - } - - if (!start) { - start = me._start = {}; - } - - interpolate(start, view, model, ease); - - return me; - }, - - tooltipPosition: function() { - return { - x: this._model.x, - y: this._model.y - }; - }, - - hasValue: function() { - return helpers$1.isNumber(this._model.x) && helpers$1.isNumber(this._model.y); - } -}); - -Element.extend = helpers$1.inherits; - -var core_element = Element; - -var exports$2 = core_element.extend({ - chart: null, // the animation associated chart instance - currentStep: 0, // the current animation step - numSteps: 60, // default number of steps - easing: '', // the easing to use for this animation - render: null, // render function used by the animation service - - onAnimationProgress: null, // user specified callback to fire on each step of the animation - onAnimationComplete: null, // user specified callback to fire when the animation finishes -}); - -var core_animation = exports$2; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart.Animation instead - * @prop Chart.Animation#animationObject - * @deprecated since version 2.6.0 - * @todo remove at version 3 - */ -Object.defineProperty(exports$2.prototype, 'animationObject', { - get: function() { - return this; - } -}); - -/** - * Provided for backward compatibility, use Chart.Animation#chart instead - * @prop Chart.Animation#chartInstance - * @deprecated since version 2.6.0 - * @todo remove at version 3 - */ -Object.defineProperty(exports$2.prototype, 'chartInstance', { - get: function() { - return this.chart; - }, - set: function(value) { - this.chart = value; - } -}); - -core_defaults._set('global', { - animation: { - duration: 1000, - easing: 'easeOutQuart', - onProgress: helpers$1.noop, - onComplete: helpers$1.noop - } -}); - -var core_animations = { - animations: [], - request: null, - - /** - * @param {Chart} chart - The chart to animate. - * @param {Chart.Animation} animation - The animation that we will animate. - * @param {number} duration - The animation duration in ms. - * @param {boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions - */ - addAnimation: function(chart, animation, duration, lazy) { - var animations = this.animations; - var i, ilen; - - animation.chart = chart; - animation.startTime = Date.now(); - animation.duration = duration; - - if (!lazy) { - chart.animating = true; - } - - for (i = 0, ilen = animations.length; i < ilen; ++i) { - if (animations[i].chart === chart) { - animations[i] = animation; - return; - } - } - - animations.push(animation); - - // If there are no animations queued, manually kickstart a digest, for lack of a better word - if (animations.length === 1) { - this.requestAnimationFrame(); - } - }, - - cancelAnimation: function(chart) { - var index = helpers$1.findIndex(this.animations, function(animation) { - return animation.chart === chart; - }); - - if (index !== -1) { - this.animations.splice(index, 1); - chart.animating = false; - } - }, - - requestAnimationFrame: function() { - var me = this; - if (me.request === null) { - // Skip animation frame requests until the active one is executed. - // This can happen when processing mouse events, e.g. 'mousemove' - // and 'mouseout' events will trigger multiple renders. - me.request = helpers$1.requestAnimFrame.call(window, function() { - me.request = null; - me.startDigest(); - }); - } - }, - - /** - * @private - */ - startDigest: function() { - var me = this; - - me.advance(); - - // Do we have more stuff to animate? - if (me.animations.length > 0) { - me.requestAnimationFrame(); - } - }, - - /** - * @private - */ - advance: function() { - var animations = this.animations; - var animation, chart, numSteps, nextStep; - var i = 0; - - // 1 animation per chart, so we are looping charts here - while (i < animations.length) { - animation = animations[i]; - chart = animation.chart; - numSteps = animation.numSteps; - - // Make sure that currentStep starts at 1 - // https://github.com/chartjs/Chart.js/issues/6104 - nextStep = Math.floor((Date.now() - animation.startTime) / animation.duration * numSteps) + 1; - animation.currentStep = Math.min(nextStep, numSteps); - - helpers$1.callback(animation.render, [chart, animation], chart); - helpers$1.callback(animation.onAnimationProgress, [animation], chart); - - if (animation.currentStep >= numSteps) { - helpers$1.callback(animation.onAnimationComplete, [animation], chart); - chart.animating = false; - animations.splice(i, 1); - } else { - ++i; - } - } - } -}; - -var resolve = helpers$1.options.resolve; - -var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; - -/** - * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice', - * 'unshift') and notify the listener AFTER the array has been altered. Listeners are - * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments. - */ -function listenArrayEvents(array, listener) { - if (array._chartjs) { - array._chartjs.listeners.push(listener); - return; - } - - Object.defineProperty(array, '_chartjs', { - configurable: true, - enumerable: false, - value: { - listeners: [listener] - } - }); - - arrayEvents.forEach(function(key) { - var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1); - var base = array[key]; - - Object.defineProperty(array, key, { - configurable: true, - enumerable: false, - value: function() { - var args = Array.prototype.slice.call(arguments); - var res = base.apply(this, args); - - helpers$1.each(array._chartjs.listeners, function(object) { - if (typeof object[method] === 'function') { - object[method].apply(object, args); - } - }); - - return res; - } - }); - }); -} - -/** - * Removes the given array event listener and cleanup extra attached properties (such as - * the _chartjs stub and overridden methods) if array doesn't have any more listeners. - */ -function unlistenArrayEvents(array, listener) { - var stub = array._chartjs; - if (!stub) { - return; - } - - var listeners = stub.listeners; - var index = listeners.indexOf(listener); - if (index !== -1) { - listeners.splice(index, 1); - } - - if (listeners.length > 0) { - return; - } - - arrayEvents.forEach(function(key) { - delete array[key]; - }); - - delete array._chartjs; -} - -// Base class for all dataset controllers (line, bar, etc) -var DatasetController = function(chart, datasetIndex) { - this.initialize(chart, datasetIndex); -}; - -helpers$1.extend(DatasetController.prototype, { - - /** - * Element type used to generate a meta dataset (e.g. Chart.element.Line). - * @type {Chart.core.element} - */ - datasetElementType: null, - - /** - * Element type used to generate a meta data (e.g. Chart.element.Point). - * @type {Chart.core.element} - */ - dataElementType: null, - - initialize: function(chart, datasetIndex) { - var me = this; - me.chart = chart; - me.index = datasetIndex; - me.linkScales(); - me.addElements(); - }, - - updateIndex: function(datasetIndex) { - this.index = datasetIndex; - }, - - linkScales: function() { - var me = this; - var meta = me.getMeta(); - var dataset = me.getDataset(); - - if (meta.xAxisID === null || !(meta.xAxisID in me.chart.scales)) { - meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id; - } - if (meta.yAxisID === null || !(meta.yAxisID in me.chart.scales)) { - meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id; - } - }, - - getDataset: function() { - return this.chart.data.datasets[this.index]; - }, - - getMeta: function() { - return this.chart.getDatasetMeta(this.index); - }, - - getScaleForId: function(scaleID) { - return this.chart.scales[scaleID]; - }, - - /** - * @private - */ - _getValueScaleId: function() { - return this.getMeta().yAxisID; - }, - - /** - * @private - */ - _getIndexScaleId: function() { - return this.getMeta().xAxisID; - }, - - /** - * @private - */ - _getValueScale: function() { - return this.getScaleForId(this._getValueScaleId()); - }, - - /** - * @private - */ - _getIndexScale: function() { - return this.getScaleForId(this._getIndexScaleId()); - }, - - reset: function() { - this.update(true); - }, - - /** - * @private - */ - destroy: function() { - if (this._data) { - unlistenArrayEvents(this._data, this); - } - }, - - createMetaDataset: function() { - var me = this; - var type = me.datasetElementType; - return type && new type({ - _chart: me.chart, - _datasetIndex: me.index - }); - }, - - createMetaData: function(index) { - var me = this; - var type = me.dataElementType; - return type && new type({ - _chart: me.chart, - _datasetIndex: me.index, - _index: index - }); - }, - - addElements: function() { - var me = this; - var meta = me.getMeta(); - var data = me.getDataset().data || []; - var metaData = meta.data; - var i, ilen; - - for (i = 0, ilen = data.length; i < ilen; ++i) { - metaData[i] = metaData[i] || me.createMetaData(i); - } - - meta.dataset = meta.dataset || me.createMetaDataset(); - }, - - addElementAndReset: function(index) { - var element = this.createMetaData(index); - this.getMeta().data.splice(index, 0, element); - this.updateElement(element, index, true); - }, - - buildOrUpdateElements: function() { - var me = this; - var dataset = me.getDataset(); - var data = dataset.data || (dataset.data = []); - - // In order to correctly handle data addition/deletion animation (an thus simulate - // real-time charts), we need to monitor these data modifications and synchronize - // the internal meta data accordingly. - if (me._data !== data) { - if (me._data) { - // This case happens when the user replaced the data array instance. - unlistenArrayEvents(me._data, me); - } - - if (data && Object.isExtensible(data)) { - listenArrayEvents(data, me); - } - me._data = data; - } - - // Re-sync meta data in case the user replaced the data array or if we missed - // any updates and so make sure that we handle number of datapoints changing. - me.resyncElements(); - }, - - update: helpers$1.noop, - - transition: function(easingValue) { - var meta = this.getMeta(); - var elements = meta.data || []; - var ilen = elements.length; - var i = 0; - - for (; i < ilen; ++i) { - elements[i].transition(easingValue); - } - - if (meta.dataset) { - meta.dataset.transition(easingValue); - } - }, - - draw: function() { - var meta = this.getMeta(); - var elements = meta.data || []; - var ilen = elements.length; - var i = 0; - - if (meta.dataset) { - meta.dataset.draw(); - } - - for (; i < ilen; ++i) { - elements[i].draw(); - } - }, - - removeHoverStyle: function(element) { - helpers$1.merge(element._model, element.$previousStyle || {}); - delete element.$previousStyle; - }, - - setHoverStyle: function(element) { - var dataset = this.chart.data.datasets[element._datasetIndex]; - var index = element._index; - var custom = element.custom || {}; - var model = element._model; - var getHoverColor = helpers$1.getHoverColor; - - element.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth - }; - - model.backgroundColor = resolve([custom.hoverBackgroundColor, dataset.hoverBackgroundColor, getHoverColor(model.backgroundColor)], undefined, index); - model.borderColor = resolve([custom.hoverBorderColor, dataset.hoverBorderColor, getHoverColor(model.borderColor)], undefined, index); - model.borderWidth = resolve([custom.hoverBorderWidth, dataset.hoverBorderWidth, model.borderWidth], undefined, index); - }, - - /** - * @private - */ - resyncElements: function() { - var me = this; - var meta = me.getMeta(); - var data = me.getDataset().data; - var numMeta = meta.data.length; - var numData = data.length; - - if (numData < numMeta) { - meta.data.splice(numData, numMeta - numData); - } else if (numData > numMeta) { - me.insertElements(numMeta, numData - numMeta); - } - }, - - /** - * @private - */ - insertElements: function(start, count) { - for (var i = 0; i < count; ++i) { - this.addElementAndReset(start + i); - } - }, - - /** - * @private - */ - onDataPush: function() { - var count = arguments.length; - this.insertElements(this.getDataset().data.length - count, count); - }, - - /** - * @private - */ - onDataPop: function() { - this.getMeta().data.pop(); - }, - - /** - * @private - */ - onDataShift: function() { - this.getMeta().data.shift(); - }, - - /** - * @private - */ - onDataSplice: function(start, count) { - this.getMeta().data.splice(start, count); - this.insertElements(start, arguments.length - 2); - }, - - /** - * @private - */ - onDataUnshift: function() { - this.insertElements(0, arguments.length); - } -}); - -DatasetController.extend = helpers$1.inherits; - -var core_datasetController = DatasetController; - -core_defaults._set('global', { - elements: { - arc: { - backgroundColor: core_defaults.global.defaultColor, - borderColor: '#fff', - borderWidth: 2, - borderAlign: 'center' - } - } -}); - -var element_arc = core_element.extend({ - inLabelRange: function(mouseX) { - var vm = this._view; - - if (vm) { - return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2)); - } - return false; - }, - - inRange: function(chartX, chartY) { - var vm = this._view; - - if (vm) { - var pointRelativePosition = helpers$1.getAngleFromPoint(vm, {x: chartX, y: chartY}); - var angle = pointRelativePosition.angle; - var distance = pointRelativePosition.distance; - - // Sanitise angle range - var startAngle = vm.startAngle; - var endAngle = vm.endAngle; - while (endAngle < startAngle) { - endAngle += 2.0 * Math.PI; - } - while (angle > endAngle) { - angle -= 2.0 * Math.PI; - } - while (angle < startAngle) { - angle += 2.0 * Math.PI; - } - - // Check if within the range of the open/close angle - var betweenAngles = (angle >= startAngle && angle <= endAngle); - var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius); - - return (betweenAngles && withinRadius); - } - return false; - }, - - getCenterPoint: function() { - var vm = this._view; - var halfAngle = (vm.startAngle + vm.endAngle) / 2; - var halfRadius = (vm.innerRadius + vm.outerRadius) / 2; - return { - x: vm.x + Math.cos(halfAngle) * halfRadius, - y: vm.y + Math.sin(halfAngle) * halfRadius - }; - }, - - getArea: function() { - var vm = this._view; - return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2)); - }, - - tooltipPosition: function() { - var vm = this._view; - var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2); - var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius; - - return { - x: vm.x + (Math.cos(centreAngle) * rangeFromCentre), - y: vm.y + (Math.sin(centreAngle) * rangeFromCentre) - }; - }, - - draw: function() { - var ctx = this._chart.ctx; - var vm = this._view; - var sA = vm.startAngle; - var eA = vm.endAngle; - var pixelMargin = (vm.borderAlign === 'inner') ? 0.33 : 0; - var angleMargin; - - ctx.save(); - - ctx.beginPath(); - ctx.arc(vm.x, vm.y, Math.max(vm.outerRadius - pixelMargin, 0), sA, eA); - ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true); - ctx.closePath(); - - ctx.fillStyle = vm.backgroundColor; - ctx.fill(); - - if (vm.borderWidth) { - if (vm.borderAlign === 'inner') { - // Draw an inner border by cliping the arc and drawing a double-width border - // Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders - ctx.beginPath(); - angleMargin = pixelMargin / vm.outerRadius; - ctx.arc(vm.x, vm.y, vm.outerRadius, sA - angleMargin, eA + angleMargin); - if (vm.innerRadius > pixelMargin) { - angleMargin = pixelMargin / vm.innerRadius; - ctx.arc(vm.x, vm.y, vm.innerRadius - pixelMargin, eA + angleMargin, sA - angleMargin, true); - } else { - ctx.arc(vm.x, vm.y, pixelMargin, eA + Math.PI / 2, sA - Math.PI / 2); - } - ctx.closePath(); - ctx.clip(); - - ctx.beginPath(); - ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA); - ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true); - ctx.closePath(); - - ctx.lineWidth = vm.borderWidth * 2; - ctx.lineJoin = 'round'; - } else { - ctx.lineWidth = vm.borderWidth; - ctx.lineJoin = 'bevel'; - } - - ctx.strokeStyle = vm.borderColor; - ctx.stroke(); - } - - ctx.restore(); - } -}); - -var valueOrDefault$1 = helpers$1.valueOrDefault; - -var defaultColor = core_defaults.global.defaultColor; - -core_defaults._set('global', { - elements: { - line: { - tension: 0.4, - backgroundColor: defaultColor, - borderWidth: 3, - borderColor: defaultColor, - borderCapStyle: 'butt', - borderDash: [], - borderDashOffset: 0.0, - borderJoinStyle: 'miter', - capBezierPoints: true, - fill: true, // do we fill in the area between the line and its base axis - } - } -}); - -var element_line = core_element.extend({ - draw: function() { - var me = this; - var vm = me._view; - var ctx = me._chart.ctx; - var spanGaps = vm.spanGaps; - var points = me._children.slice(); // clone array - var globalDefaults = core_defaults.global; - var globalOptionLineElements = globalDefaults.elements.line; - var lastDrawnIndex = -1; - var index, current, previous, currentVM; - - // If we are looping, adding the first point again - if (me._loop && points.length) { - points.push(points[0]); - } - - ctx.save(); - - // Stroke Line Options - ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle; - - // IE 9 and 10 do not support line dash - if (ctx.setLineDash) { - ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash); - } - - ctx.lineDashOffset = valueOrDefault$1(vm.borderDashOffset, globalOptionLineElements.borderDashOffset); - ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle; - ctx.lineWidth = valueOrDefault$1(vm.borderWidth, globalOptionLineElements.borderWidth); - ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor; - - // Stroke Line - ctx.beginPath(); - lastDrawnIndex = -1; - - for (index = 0; index < points.length; ++index) { - current = points[index]; - previous = helpers$1.previousItem(points, index); - currentVM = current._view; - - // First point moves to it's starting position no matter what - if (index === 0) { - if (!currentVM.skip) { - ctx.moveTo(currentVM.x, currentVM.y); - lastDrawnIndex = index; - } - } else { - previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex]; - - if (!currentVM.skip) { - if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) { - // There was a gap and this is the first point after the gap - ctx.moveTo(currentVM.x, currentVM.y); - } else { - // Line to next point - helpers$1.canvas.lineTo(ctx, previous._view, current._view); - } - lastDrawnIndex = index; - } - } - } - - ctx.stroke(); - ctx.restore(); - } -}); - -var valueOrDefault$2 = helpers$1.valueOrDefault; - -var defaultColor$1 = core_defaults.global.defaultColor; - -core_defaults._set('global', { - elements: { - point: { - radius: 3, - pointStyle: 'circle', - backgroundColor: defaultColor$1, - borderColor: defaultColor$1, - borderWidth: 1, - // Hover - hitRadius: 1, - hoverRadius: 4, - hoverBorderWidth: 1 - } - } -}); - -function xRange(mouseX) { - var vm = this._view; - return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false; -} - -function yRange(mouseY) { - var vm = this._view; - return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false; -} - -var element_point = core_element.extend({ - inRange: function(mouseX, mouseY) { - var vm = this._view; - return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false; - }, - - inLabelRange: xRange, - inXRange: xRange, - inYRange: yRange, - - getCenterPoint: function() { - var vm = this._view; - return { - x: vm.x, - y: vm.y - }; - }, - - getArea: function() { - return Math.PI * Math.pow(this._view.radius, 2); - }, - - tooltipPosition: function() { - var vm = this._view; - return { - x: vm.x, - y: vm.y, - padding: vm.radius + vm.borderWidth - }; - }, - - draw: function(chartArea) { - var vm = this._view; - var ctx = this._chart.ctx; - var pointStyle = vm.pointStyle; - var rotation = vm.rotation; - var radius = vm.radius; - var x = vm.x; - var y = vm.y; - var globalDefaults = core_defaults.global; - var defaultColor = globalDefaults.defaultColor; // eslint-disable-line no-shadow - - if (vm.skip) { - return; - } - - // Clipping for Points. - if (chartArea === undefined || helpers$1.canvas._isPointInArea(vm, chartArea)) { - ctx.strokeStyle = vm.borderColor || defaultColor; - ctx.lineWidth = valueOrDefault$2(vm.borderWidth, globalDefaults.elements.point.borderWidth); - ctx.fillStyle = vm.backgroundColor || defaultColor; - helpers$1.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation); - } - } -}); - -var defaultColor$2 = core_defaults.global.defaultColor; - -core_defaults._set('global', { - elements: { - rectangle: { - backgroundColor: defaultColor$2, - borderColor: defaultColor$2, - borderSkipped: 'bottom', - borderWidth: 0 - } - } -}); - -function isVertical(vm) { - return vm && vm.width !== undefined; -} - -/** - * Helper function to get the bounds of the bar regardless of the orientation - * @param bar {Chart.Element.Rectangle} the bar - * @return {Bounds} bounds of the bar - * @private - */ -function getBarBounds(vm) { - var x1, x2, y1, y2, half; - - if (isVertical(vm)) { - half = vm.width / 2; - x1 = vm.x - half; - x2 = vm.x + half; - y1 = Math.min(vm.y, vm.base); - y2 = Math.max(vm.y, vm.base); - } else { - half = vm.height / 2; - x1 = Math.min(vm.x, vm.base); - x2 = Math.max(vm.x, vm.base); - y1 = vm.y - half; - y2 = vm.y + half; - } - - return { - left: x1, - top: y1, - right: x2, - bottom: y2 - }; -} - -function swap(orig, v1, v2) { - return orig === v1 ? v2 : orig === v2 ? v1 : orig; -} - -function parseBorderSkipped(vm) { - var edge = vm.borderSkipped; - var res = {}; - - if (!edge) { - return res; - } - - if (vm.horizontal) { - if (vm.base > vm.x) { - edge = swap(edge, 'left', 'right'); - } - } else if (vm.base < vm.y) { - edge = swap(edge, 'bottom', 'top'); - } - - res[edge] = true; - return res; -} - -function parseBorderWidth(vm, maxW, maxH) { - var value = vm.borderWidth; - var skip = parseBorderSkipped(vm); - var t, r, b, l; - - if (helpers$1.isObject(value)) { - t = +value.top || 0; - r = +value.right || 0; - b = +value.bottom || 0; - l = +value.left || 0; - } else { - t = r = b = l = +value || 0; - } - - return { - t: skip.top || (t < 0) ? 0 : t > maxH ? maxH : t, - r: skip.right || (r < 0) ? 0 : r > maxW ? maxW : r, - b: skip.bottom || (b < 0) ? 0 : b > maxH ? maxH : b, - l: skip.left || (l < 0) ? 0 : l > maxW ? maxW : l - }; -} - -function boundingRects(vm) { - var bounds = getBarBounds(vm); - var width = bounds.right - bounds.left; - var height = bounds.bottom - bounds.top; - var border = parseBorderWidth(vm, width / 2, height / 2); - - return { - outer: { - x: bounds.left, - y: bounds.top, - w: width, - h: height - }, - inner: { - x: bounds.left + border.l, - y: bounds.top + border.t, - w: width - border.l - border.r, - h: height - border.t - border.b - } - }; -} - -function inRange(vm, x, y) { - var skipX = x === null; - var skipY = y === null; - var bounds = !vm || (skipX && skipY) ? false : getBarBounds(vm); - - return bounds - && (skipX || x >= bounds.left && x <= bounds.right) - && (skipY || y >= bounds.top && y <= bounds.bottom); -} - -var element_rectangle = core_element.extend({ - draw: function() { - var ctx = this._chart.ctx; - var vm = this._view; - var rects = boundingRects(vm); - var outer = rects.outer; - var inner = rects.inner; - - ctx.fillStyle = vm.backgroundColor; - ctx.fillRect(outer.x, outer.y, outer.w, outer.h); - - if (outer.w === inner.w && outer.h === inner.h) { - return; - } - - ctx.save(); - ctx.beginPath(); - ctx.rect(outer.x, outer.y, outer.w, outer.h); - ctx.clip(); - ctx.fillStyle = vm.borderColor; - ctx.rect(inner.x, inner.y, inner.w, inner.h); - ctx.fill('evenodd'); - ctx.restore(); - }, - - height: function() { - var vm = this._view; - return vm.base - vm.y; - }, - - inRange: function(mouseX, mouseY) { - return inRange(this._view, mouseX, mouseY); - }, - - inLabelRange: function(mouseX, mouseY) { - var vm = this._view; - return isVertical(vm) - ? inRange(vm, mouseX, null) - : inRange(vm, null, mouseY); - }, - - inXRange: function(mouseX) { - return inRange(this._view, mouseX, null); - }, - - inYRange: function(mouseY) { - return inRange(this._view, null, mouseY); - }, - - getCenterPoint: function() { - var vm = this._view; - var x, y; - if (isVertical(vm)) { - x = vm.x; - y = (vm.y + vm.base) / 2; - } else { - x = (vm.x + vm.base) / 2; - y = vm.y; - } - - return {x: x, y: y}; - }, - - getArea: function() { - var vm = this._view; - - return isVertical(vm) - ? vm.width * Math.abs(vm.y - vm.base) - : vm.height * Math.abs(vm.x - vm.base); - }, - - tooltipPosition: function() { - var vm = this._view; - return { - x: vm.x, - y: vm.y - }; - } -}); - -var elements = {}; -var Arc = element_arc; -var Line = element_line; -var Point = element_point; -var Rectangle = element_rectangle; -elements.Arc = Arc; -elements.Line = Line; -elements.Point = Point; -elements.Rectangle = Rectangle; - -var resolve$1 = helpers$1.options.resolve; - -core_defaults._set('bar', { - hover: { - mode: 'label' - }, - - scales: { - xAxes: [{ - type: 'category', - categoryPercentage: 0.8, - barPercentage: 0.9, - offset: true, - gridLines: { - offsetGridLines: true - } - }], - - yAxes: [{ - type: 'linear' - }] - } -}); - -/** - * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap. - * @private - */ -function computeMinSampleSize(scale, pixels) { - var min = scale.isHorizontal() ? scale.width : scale.height; - var ticks = scale.getTicks(); - var prev, curr, i, ilen; - - for (i = 1, ilen = pixels.length; i < ilen; ++i) { - min = Math.min(min, Math.abs(pixels[i] - pixels[i - 1])); - } - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - curr = scale.getPixelForTick(i); - min = i > 0 ? Math.min(min, curr - prev) : min; - prev = curr; - } - - return min; -} - -/** - * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null, - * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This - * mode currently always generates bars equally sized (until we introduce scriptable options?). - * @private - */ -function computeFitCategoryTraits(index, ruler, options) { - var thickness = options.barThickness; - var count = ruler.stackCount; - var curr = ruler.pixels[index]; - var size, ratio; - - if (helpers$1.isNullOrUndef(thickness)) { - size = ruler.min * options.categoryPercentage; - ratio = options.barPercentage; - } else { - // When bar thickness is enforced, category and bar percentages are ignored. - // Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%') - // and deprecate barPercentage since this value is ignored when thickness is absolute. - size = thickness * count; - ratio = 1; - } - - return { - chunk: size / count, - ratio: ratio, - start: curr - (size / 2) - }; -} - -/** - * Computes an "optimal" category that globally arranges bars side by side (no gap when - * percentage options are 1), based on the previous and following categories. This mode - * generates bars with different widths when data are not evenly spaced. - * @private - */ -function computeFlexCategoryTraits(index, ruler, options) { - var pixels = ruler.pixels; - var curr = pixels[index]; - var prev = index > 0 ? pixels[index - 1] : null; - var next = index < pixels.length - 1 ? pixels[index + 1] : null; - var percent = options.categoryPercentage; - var start, size; - - if (prev === null) { - // first data: its size is double based on the next point or, - // if it's also the last data, we use the scale size. - prev = curr - (next === null ? ruler.end - ruler.start : next - curr); - } - - if (next === null) { - // last data: its size is also double based on the previous point. - next = curr + curr - prev; - } - - start = curr - (curr - Math.min(prev, next)) / 2 * percent; - size = Math.abs(next - prev) / 2 * percent; - - return { - chunk: size / ruler.stackCount, - ratio: options.barPercentage, - start: start - }; -} - -var controller_bar = core_datasetController.extend({ - - dataElementType: elements.Rectangle, - - initialize: function() { - var me = this; - var meta; - - core_datasetController.prototype.initialize.apply(me, arguments); - - meta = me.getMeta(); - meta.stack = me.getDataset().stack; - meta.bar = true; - }, - - update: function(reset) { - var me = this; - var rects = me.getMeta().data; - var i, ilen; - - me._ruler = me.getRuler(); - - for (i = 0, ilen = rects.length; i < ilen; ++i) { - me.updateElement(rects[i], i, reset); - } - }, - - updateElement: function(rectangle, index, reset) { - var me = this; - var meta = me.getMeta(); - var dataset = me.getDataset(); - var options = me._resolveElementOptions(rectangle, index); - - rectangle._xScale = me.getScaleForId(meta.xAxisID); - rectangle._yScale = me.getScaleForId(meta.yAxisID); - rectangle._datasetIndex = me.index; - rectangle._index = index; - rectangle._model = { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderSkipped: options.borderSkipped, - borderWidth: options.borderWidth, - datasetLabel: dataset.label, - label: me.chart.data.labels[index] - }; - - me._updateElementGeometry(rectangle, index, reset); - - rectangle.pivot(); - }, - - /** - * @private - */ - _updateElementGeometry: function(rectangle, index, reset) { - var me = this; - var model = rectangle._model; - var vscale = me._getValueScale(); - var base = vscale.getBasePixel(); - var horizontal = vscale.isHorizontal(); - var ruler = me._ruler || me.getRuler(); - var vpixels = me.calculateBarValuePixels(me.index, index); - var ipixels = me.calculateBarIndexPixels(me.index, index, ruler); - - model.horizontal = horizontal; - model.base = reset ? base : vpixels.base; - model.x = horizontal ? reset ? base : vpixels.head : ipixels.center; - model.y = horizontal ? ipixels.center : reset ? base : vpixels.head; - model.height = horizontal ? ipixels.size : undefined; - model.width = horizontal ? undefined : ipixels.size; - }, - - /** - * Returns the stacks based on groups and bar visibility. - * @param {number} [last] - The dataset index - * @returns {string[]} The list of stack IDs - * @private - */ - _getStacks: function(last) { - var me = this; - var chart = me.chart; - var scale = me._getIndexScale(); - var stacked = scale.options.stacked; - var ilen = last === undefined ? chart.data.datasets.length : last + 1; - var stacks = []; - var i, meta; - - for (i = 0; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - if (meta.bar && chart.isDatasetVisible(i) && - (stacked === false || - (stacked === true && stacks.indexOf(meta.stack) === -1) || - (stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) { - stacks.push(meta.stack); - } - } - - return stacks; - }, - - /** - * Returns the effective number of stacks based on groups and bar visibility. - * @private - */ - getStackCount: function() { - return this._getStacks().length; - }, - - /** - * Returns the stack index for the given dataset based on groups and bar visibility. - * @param {number} [datasetIndex] - The dataset index - * @param {string} [name] - The stack name to find - * @returns {number} The stack index - * @private - */ - getStackIndex: function(datasetIndex, name) { - var stacks = this._getStacks(datasetIndex); - var index = (name !== undefined) - ? stacks.indexOf(name) - : -1; // indexOf returns -1 if element is not present - - return (index === -1) - ? stacks.length - 1 - : index; - }, - - /** - * @private - */ - getRuler: function() { - var me = this; - var scale = me._getIndexScale(); - var stackCount = me.getStackCount(); - var datasetIndex = me.index; - var isHorizontal = scale.isHorizontal(); - var start = isHorizontal ? scale.left : scale.top; - var end = start + (isHorizontal ? scale.width : scale.height); - var pixels = []; - var i, ilen, min; - - for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) { - pixels.push(scale.getPixelForValue(null, i, datasetIndex)); - } - - min = helpers$1.isNullOrUndef(scale.options.barThickness) - ? computeMinSampleSize(scale, pixels) - : -1; - - return { - min: min, - pixels: pixels, - start: start, - end: end, - stackCount: stackCount, - scale: scale - }; - }, - - /** - * Note: pixel values are not clamped to the scale area. - * @private - */ - calculateBarValuePixels: function(datasetIndex, index) { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var scale = me._getValueScale(); - var isHorizontal = scale.isHorizontal(); - var datasets = chart.data.datasets; - var value = +scale.getRightValue(datasets[datasetIndex].data[index]); - var minBarLength = scale.options.minBarLength; - var stacked = scale.options.stacked; - var stack = meta.stack; - var start = 0; - var i, imeta, ivalue, base, head, size; - - if (stacked || (stacked === undefined && stack !== undefined)) { - for (i = 0; i < datasetIndex; ++i) { - imeta = chart.getDatasetMeta(i); - - if (imeta.bar && - imeta.stack === stack && - imeta.controller._getValueScaleId() === scale.id && - chart.isDatasetVisible(i)) { - - ivalue = +scale.getRightValue(datasets[i].data[index]); - if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) { - start += ivalue; - } - } - } - } - - base = scale.getPixelForValue(start); - head = scale.getPixelForValue(start + value); - size = head - base; - - if (minBarLength !== undefined && Math.abs(size) < minBarLength) { - size = minBarLength; - if (value >= 0 && !isHorizontal || value < 0 && isHorizontal) { - head = base - minBarLength; - } else { - head = base + minBarLength; - } - } - - return { - size: size, - base: base, - head: head, - center: head + size / 2 - }; - }, - - /** - * @private - */ - calculateBarIndexPixels: function(datasetIndex, index, ruler) { - var me = this; - var options = ruler.scale.options; - var range = options.barThickness === 'flex' - ? computeFlexCategoryTraits(index, ruler, options) - : computeFitCategoryTraits(index, ruler, options); - - var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack); - var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); - var size = Math.min( - helpers$1.valueOrDefault(options.maxBarThickness, Infinity), - range.chunk * range.ratio); - - return { - base: center - size / 2, - head: center + size / 2, - center: center, - size: size - }; - }, - - draw: function() { - var me = this; - var chart = me.chart; - var scale = me._getValueScale(); - var rects = me.getMeta().data; - var dataset = me.getDataset(); - var ilen = rects.length; - var i = 0; - - helpers$1.canvas.clipArea(chart.ctx, chart.chartArea); - - for (; i < ilen; ++i) { - if (!isNaN(scale.getRightValue(dataset.data[i]))) { - rects[i].draw(); - } - } - - helpers$1.canvas.unclipArea(chart.ctx); - }, - - /** - * @private - */ - _resolveElementOptions: function(rectangle, index) { - var me = this; - var chart = me.chart; - var datasets = chart.data.datasets; - var dataset = datasets[me.index]; - var custom = rectangle.custom || {}; - var options = chart.options.elements.rectangle; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderSkipped', - 'borderWidth' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$1([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - return values; - } -}); - -var valueOrDefault$3 = helpers$1.valueOrDefault; -var resolve$2 = helpers$1.options.resolve; - -core_defaults._set('bubble', { - hover: { - mode: 'single' - }, - - scales: { - xAxes: [{ - type: 'linear', // bubble should probably use a linear scale by default - position: 'bottom', - id: 'x-axis-0' // need an ID so datasets can reference the scale - }], - yAxes: [{ - type: 'linear', - position: 'left', - id: 'y-axis-0' - }] - }, - - tooltips: { - callbacks: { - title: function() { - // Title doesn't make sense for scatter since we format the data as a point - return ''; - }, - label: function(item, data) { - var datasetLabel = data.datasets[item.datasetIndex].label || ''; - var dataPoint = data.datasets[item.datasetIndex].data[item.index]; - return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')'; - } - } - } -}); - -var controller_bubble = core_datasetController.extend({ - /** - * @protected - */ - dataElementType: elements.Point, - - /** - * @protected - */ - update: function(reset) { - var me = this; - var meta = me.getMeta(); - var points = meta.data; - - // Update Points - helpers$1.each(points, function(point, index) { - me.updateElement(point, index, reset); - }); - }, - - /** - * @protected - */ - updateElement: function(point, index, reset) { - var me = this; - var meta = me.getMeta(); - var custom = point.custom || {}; - var xScale = me.getScaleForId(meta.xAxisID); - var yScale = me.getScaleForId(meta.yAxisID); - var options = me._resolveElementOptions(point, index); - var data = me.getDataset().data[index]; - var dsIndex = me.index; - - var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex); - var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex); - - point._xScale = xScale; - point._yScale = yScale; - point._options = options; - point._datasetIndex = dsIndex; - point._index = index; - point._model = { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - hitRadius: options.hitRadius, - pointStyle: options.pointStyle, - rotation: options.rotation, - radius: reset ? 0 : options.radius, - skip: custom.skip || isNaN(x) || isNaN(y), - x: x, - y: y, - }; - - point.pivot(); - }, - - /** - * @protected - */ - setHoverStyle: function(point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$3(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$3(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$3(options.hoverBorderWidth, options.borderWidth); - model.radius = options.radius + options.hoverRadius; - }, - - /** - * @private - */ - _resolveElementOptions: function(point, index) { - var me = this; - var chart = me.chart; - var datasets = chart.data.datasets; - var dataset = datasets[me.index]; - var custom = point.custom || {}; - var options = chart.options.elements.point; - var data = dataset.data[index]; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - 'hoverRadius', - 'hitRadius', - 'pointStyle', - 'rotation' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$2([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - // Custom radius resolution - values.radius = resolve$2([ - custom.radius, - data ? data.r : undefined, - dataset.radius, - options.radius - ], context, index); - - return values; - } -}); - -var resolve$3 = helpers$1.options.resolve; -var valueOrDefault$4 = helpers$1.valueOrDefault; - -core_defaults._set('doughnut', { - animation: { - // Boolean - Whether we animate the rotation of the Doughnut - animateRotate: true, - // Boolean - Whether we animate scaling the Doughnut from the centre - animateScale: false - }, - hover: { - mode: 'single' - }, - legendCallback: function(chart) { - var text = []; - text.push('
    '); - - var data = chart.data; - var datasets = data.datasets; - var labels = data.labels; - - if (datasets.length) { - for (var i = 0; i < datasets[0].data.length; ++i) { - text.push('
  • '); - if (labels[i]) { - text.push(labels[i]); - } - text.push('
    • '); - } - } - - text.push('
'); - return text.join(''); - }, - legend: { - labels: { - generateLabels: function(chart) { - var data = chart.data; - if (data.labels.length && data.datasets.length) { - return data.labels.map(function(label, i) { - var meta = chart.getDatasetMeta(0); - var ds = data.datasets[0]; - var arc = meta.data[i]; - var custom = arc && arc.custom || {}; - var arcOpts = chart.options.elements.arc; - var fill = resolve$3([custom.backgroundColor, ds.backgroundColor, arcOpts.backgroundColor], undefined, i); - var stroke = resolve$3([custom.borderColor, ds.borderColor, arcOpts.borderColor], undefined, i); - var bw = resolve$3([custom.borderWidth, ds.borderWidth, arcOpts.borderWidth], undefined, i); - - return { - text: label, - fillStyle: fill, - strokeStyle: stroke, - lineWidth: bw, - hidden: isNaN(ds.data[i]) || meta.data[i].hidden, - - // Extra data used for toggling the correct item - index: i - }; - }); - } - return []; - } - }, - - onClick: function(e, legendItem) { - var index = legendItem.index; - var chart = this.chart; - var i, ilen, meta; - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - // toggle visibility of index if exists - if (meta.data[index]) { - meta.data[index].hidden = !meta.data[index].hidden; - } - } - - chart.update(); - } - }, - - // The percentage of the chart that we cut out of the middle. - cutoutPercentage: 50, - - // The rotation of the chart, where the first data arc begins. - rotation: Math.PI * -0.5, - - // The total circumference of the chart. - circumference: Math.PI * 2.0, - - // Need to override these to give a nice default - tooltips: { - callbacks: { - title: function() { - return ''; - }, - label: function(tooltipItem, data) { - var dataLabel = data.labels[tooltipItem.index]; - var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; - - if (helpers$1.isArray(dataLabel)) { - // show value on first line of multiline label - // need to clone because we are changing the value - dataLabel = dataLabel.slice(); - dataLabel[0] += value; - } else { - dataLabel += value; - } - - return dataLabel; - } - } - } -}); - -var controller_doughnut = core_datasetController.extend({ - - dataElementType: elements.Arc, - - linkScales: helpers$1.noop, - - // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly - getRingIndex: function(datasetIndex) { - var ringIndex = 0; - - for (var j = 0; j < datasetIndex; ++j) { - if (this.chart.isDatasetVisible(j)) { - ++ringIndex; - } - } - - return ringIndex; - }, - - update: function(reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var availableWidth = chartArea.right - chartArea.left; - var availableHeight = chartArea.bottom - chartArea.top; - var minSize = Math.min(availableWidth, availableHeight); - var offset = {x: 0, y: 0}; - var meta = me.getMeta(); - var arcs = meta.data; - var cutoutPercentage = opts.cutoutPercentage; - var circumference = opts.circumference; - var chartWeight = me._getRingWeight(me.index); - var i, ilen; - - // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc - if (circumference < Math.PI * 2.0) { - var startAngle = opts.rotation % (Math.PI * 2.0); - startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0); - var endAngle = startAngle + circumference; - var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)}; - var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)}; - var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle); - var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle); - var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle); - var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle); - var cutout = cutoutPercentage / 100.0; - var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))}; - var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))}; - var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5}; - minSize = Math.min(availableWidth / size.width, availableHeight / size.height); - offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5}; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arcs[i]._options = me._resolveElementOptions(arcs[i], i); - } - - chart.borderWidth = me.getMaxBorderWidth(); - chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0); - chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0); - chart.radiusLength = (chart.outerRadius - chart.innerRadius) / (me._getVisibleDatasetWeightTotal() || 1); - chart.offsetX = offset.x * chart.outerRadius; - chart.offsetY = offset.y * chart.outerRadius; - - meta.total = me.calculateTotal(); - - me.outerRadius = chart.outerRadius - chart.radiusLength * me._getRingWeightOffset(me.index); - me.innerRadius = Math.max(me.outerRadius - chart.radiusLength * chartWeight, 0); - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - me.updateElement(arcs[i], i, reset); - } - }, - - updateElement: function(arc, index, reset) { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var animationOpts = opts.animation; - var centerX = (chartArea.left + chartArea.right) / 2; - var centerY = (chartArea.top + chartArea.bottom) / 2; - var startAngle = opts.rotation; // non reset case handled later - var endAngle = opts.rotation; // non reset case handled later - var dataset = me.getDataset(); - var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI)); - var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius; - var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius; - var options = arc._options || {}; - - helpers$1.extend(arc, { - // Utility - _datasetIndex: me.index, - _index: index, - - // Desired view properties - _model: { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - borderAlign: options.borderAlign, - x: centerX + chart.offsetX, - y: centerY + chart.offsetY, - startAngle: startAngle, - endAngle: endAngle, - circumference: circumference, - outerRadius: outerRadius, - innerRadius: innerRadius, - label: helpers$1.valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index]) - } - }); - - var model = arc._model; - - // Set correct angles if not resetting - if (!reset || !animationOpts.animateRotate) { - if (index === 0) { - model.startAngle = opts.rotation; - } else { - model.startAngle = me.getMeta().data[index - 1]._model.endAngle; - } - - model.endAngle = model.startAngle + model.circumference; - } - - arc.pivot(); - }, - - calculateTotal: function() { - var dataset = this.getDataset(); - var meta = this.getMeta(); - var total = 0; - var value; - - helpers$1.each(meta.data, function(element, index) { - value = dataset.data[index]; - if (!isNaN(value) && !element.hidden) { - total += Math.abs(value); - } - }); - - /* if (total === 0) { - total = NaN; - }*/ - - return total; - }, - - calculateCircumference: function(value) { - var total = this.getMeta().total; - if (total > 0 && !isNaN(value)) { - return (Math.PI * 2.0) * (Math.abs(value) / total); - } - return 0; - }, - - // gets the max border or hover width to properly scale pie charts - getMaxBorderWidth: function(arcs) { - var me = this; - var max = 0; - var chart = me.chart; - var i, ilen, meta, arc, controller, options, borderWidth, hoverWidth; - - if (!arcs) { - // Find the outmost visible dataset - for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - meta = chart.getDatasetMeta(i); - arcs = meta.data; - if (i !== me.index) { - controller = meta.controller; - } - break; - } - } - } - - if (!arcs) { - return 0; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arc = arcs[i]; - options = controller ? controller._resolveElementOptions(arc, i) : arc._options; - if (options.borderAlign !== 'inner') { - borderWidth = options.borderWidth; - hoverWidth = options.hoverBorderWidth; - - max = borderWidth > max ? borderWidth : max; - max = hoverWidth > max ? hoverWidth : max; - } - } - return max; - }, - - /** - * @protected - */ - setHoverStyle: function(arc) { - var model = arc._model; - var options = arc._options; - var getHoverColor = helpers$1.getHoverColor; - - arc.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - }; - - model.backgroundColor = valueOrDefault$4(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$4(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$4(options.hoverBorderWidth, options.borderWidth); - }, - - /** - * @private - */ - _resolveElementOptions: function(arc, index) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var custom = arc.custom || {}; - var options = chart.options.elements.arc; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'borderAlign', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$3([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * Get radius length offset of the dataset in relation to the visible datasets weights. This allows determining the inner and outer radius correctly - * @private - */ - _getRingWeightOffset: function(datasetIndex) { - var ringWeightOffset = 0; - - for (var i = 0; i < datasetIndex; ++i) { - if (this.chart.isDatasetVisible(i)) { - ringWeightOffset += this._getRingWeight(i); - } - } - - return ringWeightOffset; - }, - - /** - * @private - */ - _getRingWeight: function(dataSetIndex) { - return Math.max(valueOrDefault$4(this.chart.data.datasets[dataSetIndex].weight, 1), 0); - }, - - /** - * Returns the sum of all visibile data set weights. This value can be 0. - * @private - */ - _getVisibleDatasetWeightTotal: function() { - return this._getRingWeightOffset(this.chart.data.datasets.length); - } -}); - -core_defaults._set('horizontalBar', { - hover: { - mode: 'index', - axis: 'y' - }, - - scales: { - xAxes: [{ - type: 'linear', - position: 'bottom' - }], - - yAxes: [{ - type: 'category', - position: 'left', - categoryPercentage: 0.8, - barPercentage: 0.9, - offset: true, - gridLines: { - offsetGridLines: true - } - }] - }, - - elements: { - rectangle: { - borderSkipped: 'left' - } - }, - - tooltips: { - mode: 'index', - axis: 'y' - } -}); - -var controller_horizontalBar = controller_bar.extend({ - /** - * @private - */ - _getValueScaleId: function() { - return this.getMeta().xAxisID; - }, - - /** - * @private - */ - _getIndexScaleId: function() { - return this.getMeta().yAxisID; - } -}); - -var valueOrDefault$5 = helpers$1.valueOrDefault; -var resolve$4 = helpers$1.options.resolve; -var isPointInArea = helpers$1.canvas._isPointInArea; - -core_defaults._set('line', { - showLines: true, - spanGaps: false, - - hover: { - mode: 'label' - }, - - scales: { - xAxes: [{ - type: 'category', - id: 'x-axis-0' - }], - yAxes: [{ - type: 'linear', - id: 'y-axis-0' - }] - } -}); - -function lineEnabled(dataset, options) { - return valueOrDefault$5(dataset.showLine, options.showLines); -} - -var controller_line = core_datasetController.extend({ - - datasetElementType: elements.Line, - - dataElementType: elements.Point, - - update: function(reset) { - var me = this; - var meta = me.getMeta(); - var line = meta.dataset; - var points = meta.data || []; - var scale = me.getScaleForId(meta.yAxisID); - var dataset = me.getDataset(); - var showLine = lineEnabled(dataset, me.chart.options); - var i, ilen; - - // Update Line - if (showLine) { - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { - dataset.lineTension = dataset.tension; - } - - // Utility - line._scale = scale; - line._datasetIndex = me.index; - // Data - line._children = points; - // Model - line._model = me._resolveLineOptions(line); - - line.pivot(); - } - - // Update Points - for (i = 0, ilen = points.length; i < ilen; ++i) { - me.updateElement(points[i], i, reset); - } - - if (showLine && line._model.tension !== 0) { - me.updateBezierControlPoints(); - } - - // Now pivot the point for animation - for (i = 0, ilen = points.length; i < ilen; ++i) { - points[i].pivot(); - } - }, - - updateElement: function(point, index, reset) { - var me = this; - var meta = me.getMeta(); - var custom = point.custom || {}; - var dataset = me.getDataset(); - var datasetIndex = me.index; - var value = dataset.data[index]; - var yScale = me.getScaleForId(meta.yAxisID); - var xScale = me.getScaleForId(meta.xAxisID); - var lineModel = meta.dataset._model; - var x, y; - - var options = me._resolvePointOptions(point, index); - - x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex); - y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex); - - // Utility - point._xScale = xScale; - point._yScale = yScale; - point._options = options; - point._datasetIndex = datasetIndex; - point._index = index; - - // Desired view properties - point._model = { - x: x, - y: y, - skip: custom.skip || isNaN(x) || isNaN(y), - // Appearance - radius: options.radius, - pointStyle: options.pointStyle, - rotation: options.rotation, - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - tension: valueOrDefault$5(custom.tension, lineModel ? lineModel.tension : 0), - steppedLine: lineModel ? lineModel.steppedLine : false, - // Tooltip - hitRadius: options.hitRadius - }; - }, - - /** - * @private - */ - _resolvePointOptions: function(element, index) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options.elements.point; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var ELEMENT_OPTIONS = { - backgroundColor: 'pointBackgroundColor', - borderColor: 'pointBorderColor', - borderWidth: 'pointBorderWidth', - hitRadius: 'pointHitRadius', - hoverBackgroundColor: 'pointHoverBackgroundColor', - hoverBorderColor: 'pointHoverBorderColor', - hoverBorderWidth: 'pointHoverBorderWidth', - hoverRadius: 'pointHoverRadius', - pointStyle: 'pointStyle', - radius: 'pointRadius', - rotation: 'pointRotation' - }; - var keys = Object.keys(ELEMENT_OPTIONS); - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$4([ - custom[key], - dataset[ELEMENT_OPTIONS[key]], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * @private - */ - _resolveLineOptions: function(element) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options; - var elementOptions = options.elements.line; - var values = {}; - var i, ilen, key; - - var keys = [ - 'backgroundColor', - 'borderWidth', - 'borderColor', - 'borderCapStyle', - 'borderDash', - 'borderDashOffset', - 'borderJoinStyle', - 'fill', - 'cubicInterpolationMode' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$4([ - custom[key], - dataset[key], - elementOptions[key] - ]); - } - - // The default behavior of lines is to break at null values, according - // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158 - // This option gives lines the ability to span gaps - values.spanGaps = valueOrDefault$5(dataset.spanGaps, options.spanGaps); - values.tension = valueOrDefault$5(dataset.lineTension, elementOptions.tension); - values.steppedLine = resolve$4([custom.steppedLine, dataset.steppedLine, elementOptions.stepped]); - - return values; - }, - - calculatePointY: function(value, index, datasetIndex) { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var yScale = me.getScaleForId(meta.yAxisID); - var sumPos = 0; - var sumNeg = 0; - var i, ds, dsMeta; - - if (yScale.options.stacked) { - for (i = 0; i < datasetIndex; i++) { - ds = chart.data.datasets[i]; - dsMeta = chart.getDatasetMeta(i); - if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) { - var stackedRightValue = Number(yScale.getRightValue(ds.data[index])); - if (stackedRightValue < 0) { - sumNeg += stackedRightValue || 0; - } else { - sumPos += stackedRightValue || 0; - } - } - } - - var rightValue = Number(yScale.getRightValue(value)); - if (rightValue < 0) { - return yScale.getPixelForValue(sumNeg + rightValue); - } - return yScale.getPixelForValue(sumPos + rightValue); - } - - return yScale.getPixelForValue(value); - }, - - updateBezierControlPoints: function() { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var lineModel = meta.dataset._model; - var area = chart.chartArea; - var points = meta.data || []; - var i, ilen, model, controlPoints; - - // Only consider points that are drawn in case the spanGaps option is used - if (lineModel.spanGaps) { - points = points.filter(function(pt) { - return !pt._model.skip; - }); - } - - function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); - } - - if (lineModel.cubicInterpolationMode === 'monotone') { - helpers$1.splineCurveMonotone(points); - } else { - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - controlPoints = helpers$1.splineCurve( - helpers$1.previousItem(points, i)._model, - model, - helpers$1.nextItem(points, i)._model, - lineModel.tension - ); - model.controlPointPreviousX = controlPoints.previous.x; - model.controlPointPreviousY = controlPoints.previous.y; - model.controlPointNextX = controlPoints.next.x; - model.controlPointNextY = controlPoints.next.y; - } - } - - if (chart.options.elements.line.capBezierPoints) { - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - if (isPointInArea(model, area)) { - if (i > 0 && isPointInArea(points[i - 1]._model, area)) { - model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right); - model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom); - } - if (i < points.length - 1 && isPointInArea(points[i + 1]._model, area)) { - model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right); - model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom); - } - } - } - } - }, - - draw: function() { - var me = this; - var chart = me.chart; - var meta = me.getMeta(); - var points = meta.data || []; - var area = chart.chartArea; - var ilen = points.length; - var halfBorderWidth; - var i = 0; - - if (lineEnabled(me.getDataset(), chart.options)) { - halfBorderWidth = (meta.dataset._model.borderWidth || 0) / 2; - - helpers$1.canvas.clipArea(chart.ctx, { - left: area.left, - right: area.right, - top: area.top - halfBorderWidth, - bottom: area.bottom + halfBorderWidth - }); - - meta.dataset.draw(); - - helpers$1.canvas.unclipArea(chart.ctx); - } - - // Draw the points - for (; i < ilen; ++i) { - points[i].draw(area); - } - }, - - /** - * @protected - */ - setHoverStyle: function(point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$5(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$5(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$5(options.hoverBorderWidth, options.borderWidth); - model.radius = valueOrDefault$5(options.hoverRadius, options.radius); - }, -}); - -var resolve$5 = helpers$1.options.resolve; - -core_defaults._set('polarArea', { - scale: { - type: 'radialLinear', - angleLines: { - display: false - }, - gridLines: { - circular: true - }, - pointLabels: { - display: false - }, - ticks: { - beginAtZero: true - } - }, - - // Boolean - Whether to animate the rotation of the chart - animation: { - animateRotate: true, - animateScale: true - }, - - startAngle: -0.5 * Math.PI, - legendCallback: function(chart) { - var text = []; - text.push('
    '); - - var data = chart.data; - var datasets = data.datasets; - var labels = data.labels; - - if (datasets.length) { - for (var i = 0; i < datasets[0].data.length; ++i) { - text.push('
  • '); - if (labels[i]) { - text.push(labels[i]); - } - text.push('
    • '); - } - } - - text.push('
'); - return text.join(''); - }, - legend: { - labels: { - generateLabels: function(chart) { - var data = chart.data; - if (data.labels.length && data.datasets.length) { - return data.labels.map(function(label, i) { - var meta = chart.getDatasetMeta(0); - var ds = data.datasets[0]; - var arc = meta.data[i]; - var custom = arc.custom || {}; - var arcOpts = chart.options.elements.arc; - var fill = resolve$5([custom.backgroundColor, ds.backgroundColor, arcOpts.backgroundColor], undefined, i); - var stroke = resolve$5([custom.borderColor, ds.borderColor, arcOpts.borderColor], undefined, i); - var bw = resolve$5([custom.borderWidth, ds.borderWidth, arcOpts.borderWidth], undefined, i); - - return { - text: label, - fillStyle: fill, - strokeStyle: stroke, - lineWidth: bw, - hidden: isNaN(ds.data[i]) || meta.data[i].hidden, - - // Extra data used for toggling the correct item - index: i - }; - }); - } - return []; - } - }, - - onClick: function(e, legendItem) { - var index = legendItem.index; - var chart = this.chart; - var i, ilen, meta; - - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - meta = chart.getDatasetMeta(i); - meta.data[index].hidden = !meta.data[index].hidden; - } - - chart.update(); - } - }, - - // Need to override these to give a nice default - tooltips: { - callbacks: { - title: function() { - return ''; - }, - label: function(item, data) { - return data.labels[item.index] + ': ' + item.yLabel; - } - } - } -}); - -var controller_polarArea = core_datasetController.extend({ - - dataElementType: elements.Arc, - - linkScales: helpers$1.noop, - - update: function(reset) { - var me = this; - var dataset = me.getDataset(); - var meta = me.getMeta(); - var start = me.chart.options.startAngle || 0; - var starts = me._starts = []; - var angles = me._angles = []; - var arcs = meta.data; - var i, ilen, angle; - - me._updateRadius(); - - meta.count = me.countVisibleElements(); - - for (i = 0, ilen = dataset.data.length; i < ilen; i++) { - starts[i] = start; - angle = me._computeAngle(i); - angles[i] = angle; - start += angle; - } - - for (i = 0, ilen = arcs.length; i < ilen; ++i) { - arcs[i]._options = me._resolveElementOptions(arcs[i], i); - me.updateElement(arcs[i], i, reset); - } - }, - - /** - * @private - */ - _updateRadius: function() { - var me = this; - var chart = me.chart; - var chartArea = chart.chartArea; - var opts = chart.options; - var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); - - chart.outerRadius = Math.max(minSize / 2, 0); - chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); - chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); - - me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index); - me.innerRadius = me.outerRadius - chart.radiusLength; - }, - - updateElement: function(arc, index, reset) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var opts = chart.options; - var animationOpts = opts.animation; - var scale = chart.scale; - var labels = chart.data.labels; - - var centerX = scale.xCenter; - var centerY = scale.yCenter; - - // var negHalfPI = -0.5 * Math.PI; - var datasetStartAngle = opts.startAngle; - var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); - var startAngle = me._starts[index]; - var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]); - - var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); - var options = arc._options || {}; - - helpers$1.extend(arc, { - // Utility - _datasetIndex: me.index, - _index: index, - _scale: scale, - - // Desired view properties - _model: { - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - borderAlign: options.borderAlign, - x: centerX, - y: centerY, - innerRadius: 0, - outerRadius: reset ? resetRadius : distance, - startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle, - endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle, - label: helpers$1.valueAtIndexOrDefault(labels, index, labels[index]) - } - }); - - arc.pivot(); - }, - - countVisibleElements: function() { - var dataset = this.getDataset(); - var meta = this.getMeta(); - var count = 0; - - helpers$1.each(meta.data, function(element, index) { - if (!isNaN(dataset.data[index]) && !element.hidden) { - count++; - } - }); - - return count; - }, - - /** - * @protected - */ - setHoverStyle: function(arc) { - var model = arc._model; - var options = arc._options; - var getHoverColor = helpers$1.getHoverColor; - var valueOrDefault = helpers$1.valueOrDefault; - - arc.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - }; - - model.backgroundColor = valueOrDefault(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault(options.hoverBorderWidth, options.borderWidth); - }, - - /** - * @private - */ - _resolveElementOptions: function(arc, index) { - var me = this; - var chart = me.chart; - var dataset = me.getDataset(); - var custom = arc.custom || {}; - var options = chart.options.elements.arc; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var keys = [ - 'backgroundColor', - 'borderColor', - 'borderWidth', - 'borderAlign', - 'hoverBackgroundColor', - 'hoverBorderColor', - 'hoverBorderWidth', - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$5([ - custom[key], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * @private - */ - _computeAngle: function(index) { - var me = this; - var count = this.getMeta().count; - var dataset = me.getDataset(); - var meta = me.getMeta(); - - if (isNaN(dataset.data[index]) || meta.data[index].hidden) { - return 0; - } - - // Scriptable options - var context = { - chart: me.chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - return resolve$5([ - me.chart.options.elements.arc.angle, - (2 * Math.PI) / count - ], context, index); - } -}); - -core_defaults._set('pie', helpers$1.clone(core_defaults.doughnut)); -core_defaults._set('pie', { - cutoutPercentage: 0 -}); - -// Pie charts are Doughnut chart with different defaults -var controller_pie = controller_doughnut; - -var valueOrDefault$6 = helpers$1.valueOrDefault; -var resolve$6 = helpers$1.options.resolve; - -core_defaults._set('radar', { - scale: { - type: 'radialLinear' - }, - elements: { - line: { - tension: 0 // no bezier in radar - } - } -}); - -var controller_radar = core_datasetController.extend({ - - datasetElementType: elements.Line, - - dataElementType: elements.Point, - - linkScales: helpers$1.noop, - - update: function(reset) { - var me = this; - var meta = me.getMeta(); - var line = meta.dataset; - var points = meta.data || []; - var scale = me.chart.scale; - var dataset = me.getDataset(); - var i, ilen; - - // Compatibility: If the properties are defined with only the old name, use those values - if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { - dataset.lineTension = dataset.tension; - } - - // Utility - line._scale = scale; - line._datasetIndex = me.index; - // Data - line._children = points; - line._loop = true; - // Model - line._model = me._resolveLineOptions(line); - - line.pivot(); - - // Update Points - for (i = 0, ilen = points.length; i < ilen; ++i) { - me.updateElement(points[i], i, reset); - } - - // Update bezier control points - me.updateBezierControlPoints(); - - // Now pivot the point for animation - for (i = 0, ilen = points.length; i < ilen; ++i) { - points[i].pivot(); - } - }, - - updateElement: function(point, index, reset) { - var me = this; - var custom = point.custom || {}; - var dataset = me.getDataset(); - var scale = me.chart.scale; - var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]); - var options = me._resolvePointOptions(point, index); - var lineModel = me.getMeta().dataset._model; - var x = reset ? scale.xCenter : pointPosition.x; - var y = reset ? scale.yCenter : pointPosition.y; - - // Utility - point._scale = scale; - point._options = options; - point._datasetIndex = me.index; - point._index = index; - - // Desired view properties - point._model = { - x: x, // value not used in dataset scale, but we want a consistent API between scales - y: y, - skip: custom.skip || isNaN(x) || isNaN(y), - // Appearance - radius: options.radius, - pointStyle: options.pointStyle, - rotation: options.rotation, - backgroundColor: options.backgroundColor, - borderColor: options.borderColor, - borderWidth: options.borderWidth, - tension: valueOrDefault$6(custom.tension, lineModel ? lineModel.tension : 0), - - // Tooltip - hitRadius: options.hitRadius - }; - }, - - /** - * @private - */ - _resolvePointOptions: function(element, index) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options.elements.point; - var values = {}; - var i, ilen, key; - - // Scriptable options - var context = { - chart: chart, - dataIndex: index, - dataset: dataset, - datasetIndex: me.index - }; - - var ELEMENT_OPTIONS = { - backgroundColor: 'pointBackgroundColor', - borderColor: 'pointBorderColor', - borderWidth: 'pointBorderWidth', - hitRadius: 'pointHitRadius', - hoverBackgroundColor: 'pointHoverBackgroundColor', - hoverBorderColor: 'pointHoverBorderColor', - hoverBorderWidth: 'pointHoverBorderWidth', - hoverRadius: 'pointHoverRadius', - pointStyle: 'pointStyle', - radius: 'pointRadius', - rotation: 'pointRotation' - }; - var keys = Object.keys(ELEMENT_OPTIONS); - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$6([ - custom[key], - dataset[ELEMENT_OPTIONS[key]], - dataset[key], - options[key] - ], context, index); - } - - return values; - }, - - /** - * @private - */ - _resolveLineOptions: function(element) { - var me = this; - var chart = me.chart; - var dataset = chart.data.datasets[me.index]; - var custom = element.custom || {}; - var options = chart.options.elements.line; - var values = {}; - var i, ilen, key; - - var keys = [ - 'backgroundColor', - 'borderWidth', - 'borderColor', - 'borderCapStyle', - 'borderDash', - 'borderDashOffset', - 'borderJoinStyle', - 'fill' - ]; - - for (i = 0, ilen = keys.length; i < ilen; ++i) { - key = keys[i]; - values[key] = resolve$6([ - custom[key], - dataset[key], - options[key] - ]); - } - - values.tension = valueOrDefault$6(dataset.lineTension, options.tension); - - return values; - }, - - updateBezierControlPoints: function() { - var me = this; - var meta = me.getMeta(); - var area = me.chart.chartArea; - var points = meta.data || []; - var i, ilen, model, controlPoints; - - function capControlPoint(pt, min, max) { - return Math.max(Math.min(pt, max), min); - } - - for (i = 0, ilen = points.length; i < ilen; ++i) { - model = points[i]._model; - controlPoints = helpers$1.splineCurve( - helpers$1.previousItem(points, i, true)._model, - model, - helpers$1.nextItem(points, i, true)._model, - model.tension - ); - - // Prevent the bezier going outside of the bounds of the graph - model.controlPointPreviousX = capControlPoint(controlPoints.previous.x, area.left, area.right); - model.controlPointPreviousY = capControlPoint(controlPoints.previous.y, area.top, area.bottom); - model.controlPointNextX = capControlPoint(controlPoints.next.x, area.left, area.right); - model.controlPointNextY = capControlPoint(controlPoints.next.y, area.top, area.bottom); - } - }, - - setHoverStyle: function(point) { - var model = point._model; - var options = point._options; - var getHoverColor = helpers$1.getHoverColor; - - point.$previousStyle = { - backgroundColor: model.backgroundColor, - borderColor: model.borderColor, - borderWidth: model.borderWidth, - radius: model.radius - }; - - model.backgroundColor = valueOrDefault$6(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); - model.borderColor = valueOrDefault$6(options.hoverBorderColor, getHoverColor(options.borderColor)); - model.borderWidth = valueOrDefault$6(options.hoverBorderWidth, options.borderWidth); - model.radius = valueOrDefault$6(options.hoverRadius, options.radius); - } -}); - -core_defaults._set('scatter', { - hover: { - mode: 'single' - }, - - scales: { - xAxes: [{ - id: 'x-axis-1', // need an ID so datasets can reference the scale - type: 'linear', // scatter should not use a category axis - position: 'bottom' - }], - yAxes: [{ - id: 'y-axis-1', - type: 'linear', - position: 'left' - }] - }, - - showLines: false, - - tooltips: { - callbacks: { - title: function() { - return ''; // doesn't make sense for scatter since data are formatted as a point - }, - label: function(item) { - return '(' + item.xLabel + ', ' + item.yLabel + ')'; - } - } - } -}); - -// Scatter charts use line controllers -var controller_scatter = controller_line; - -// NOTE export a map in which the key represents the controller type, not -// the class, and so must be CamelCase in order to be correctly retrieved -// by the controller in core.controller.js (`controllers[meta.type]`). - -var controllers = { - bar: controller_bar, - bubble: controller_bubble, - doughnut: controller_doughnut, - horizontalBar: controller_horizontalBar, - line: controller_line, - polarArea: controller_polarArea, - pie: controller_pie, - radar: controller_radar, - scatter: controller_scatter -}; - -/** - * Helper function to get relative position for an event - * @param {Event|IEvent} event - The event to get the position for - * @param {Chart} chart - The chart - * @returns {object} the event position - */ -function getRelativePosition(e, chart) { - if (e.native) { - return { - x: e.x, - y: e.y - }; - } - - return helpers$1.getRelativePosition(e, chart); -} - -/** - * Helper function to traverse all of the visible elements in the chart - * @param {Chart} chart - the chart - * @param {function} handler - the callback to execute for each visible item - */ -function parseVisibleItems(chart, handler) { - var datasets = chart.data.datasets; - var meta, i, j, ilen, jlen; - - for (i = 0, ilen = datasets.length; i < ilen; ++i) { - if (!chart.isDatasetVisible(i)) { - continue; - } - - meta = chart.getDatasetMeta(i); - for (j = 0, jlen = meta.data.length; j < jlen; ++j) { - var element = meta.data[j]; - if (!element._view.skip) { - handler(element); - } - } - } -} - -/** - * Helper function to get the items that intersect the event position - * @param {ChartElement[]} items - elements to filter - * @param {object} position - the point to be nearest to - * @return {ChartElement[]} the nearest items - */ -function getIntersectItems(chart, position) { - var elements = []; - - parseVisibleItems(chart, function(element) { - if (element.inRange(position.x, position.y)) { - elements.push(element); - } - }); - - return elements; -} - -/** - * Helper function to get the items nearest to the event position considering all visible items in teh chart - * @param {Chart} chart - the chart to look at elements from - * @param {object} position - the point to be nearest to - * @param {boolean} intersect - if true, only consider items that intersect the position - * @param {function} distanceMetric - function to provide the distance between points - * @return {ChartElement[]} the nearest items - */ -function getNearestItems(chart, position, intersect, distanceMetric) { - var minDistance = Number.POSITIVE_INFINITY; - var nearestItems = []; - - parseVisibleItems(chart, function(element) { - if (intersect && !element.inRange(position.x, position.y)) { - return; - } - - var center = element.getCenterPoint(); - var distance = distanceMetric(position, center); - if (distance < minDistance) { - nearestItems = [element]; - minDistance = distance; - } else if (distance === minDistance) { - // Can have multiple items at the same distance in which case we sort by size - nearestItems.push(element); - } - }); - - return nearestItems; -} - -/** - * Get a distance metric function for two points based on the - * axis mode setting - * @param {string} axis - the axis mode. x|y|xy - */ -function getDistanceMetricForAxis(axis) { - var useX = axis.indexOf('x') !== -1; - var useY = axis.indexOf('y') !== -1; - - return function(pt1, pt2) { - var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; - var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; - return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); - }; -} - -function indexMode(chart, e, options) { - var position = getRelativePosition(e, chart); - // Default axis for index mode is 'x' to match old behaviour - options.axis = options.axis || 'x'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); - var elements = []; - - if (!items.length) { - return []; - } - - chart.data.datasets.forEach(function(dataset, datasetIndex) { - if (chart.isDatasetVisible(datasetIndex)) { - var meta = chart.getDatasetMeta(datasetIndex); - var element = meta.data[items[0]._index]; - - // don't count items that are skipped (null data) - if (element && !element._view.skip) { - elements.push(element); - } - } - }); - - return elements; -} - -/** - * @interface IInteractionOptions - */ -/** - * If true, only consider items that intersect the point - * @name IInterfaceOptions#boolean - * @type Boolean - */ - -/** - * Contains interaction related functions - * @namespace Chart.Interaction - */ -var core_interaction = { - // Helper function for different modes - modes: { - single: function(chart, e) { - var position = getRelativePosition(e, chart); - var elements = []; - - parseVisibleItems(chart, function(element) { - if (element.inRange(position.x, position.y)) { - elements.push(element); - return elements; - } - }); - - return elements.slice(0, 1); - }, - - /** - * @function Chart.Interaction.modes.label - * @deprecated since version 2.4.0 - * @todo remove at version 3 - * @private - */ - label: indexMode, - - /** - * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something - * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item - * @function Chart.Interaction.modes.index - * @since v2.4.0 - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use during interaction - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - index: indexMode, - - /** - * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something - * If the options.intersect is false, we find the nearest item and return the items in that dataset - * @function Chart.Interaction.modes.dataset - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use during interaction - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - dataset: function(chart, e, options) { - var position = getRelativePosition(e, chart); - options.axis = options.axis || 'xy'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); - - if (items.length > 0) { - items = chart.getDatasetMeta(items[0]._datasetIndex).data; - } - - return items; - }, - - /** - * @function Chart.Interaction.modes.x-axis - * @deprecated since version 2.4.0. Use index mode and intersect == true - * @todo remove at version 3 - * @private - */ - 'x-axis': function(chart, e) { - return indexMode(chart, e, {intersect: false}); - }, - - /** - * Point mode returns all elements that hit test based on the event position - * of the event - * @function Chart.Interaction.modes.intersect - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - point: function(chart, e) { - var position = getRelativePosition(e, chart); - return getIntersectItems(chart, position); - }, - - /** - * nearest mode returns the element closest to the point - * @function Chart.Interaction.modes.intersect - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - nearest: function(chart, e, options) { - var position = getRelativePosition(e, chart); - options.axis = options.axis || 'xy'; - var distanceMetric = getDistanceMetricForAxis(options.axis); - return getNearestItems(chart, position, options.intersect, distanceMetric); - }, - - /** - * x mode returns the elements that hit-test at the current x coordinate - * @function Chart.Interaction.modes.x - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - x: function(chart, e, options) { - var position = getRelativePosition(e, chart); - var items = []; - var intersectsItem = false; - - parseVisibleItems(chart, function(element) { - if (element.inXRange(position.x)) { - items.push(element); - } - - if (element.inRange(position.x, position.y)) { - intersectsItem = true; - } - }); - - // If we want to trigger on an intersect and we don't have any items - // that intersect the position, return nothing - if (options.intersect && !intersectsItem) { - items = []; - } - return items; - }, - - /** - * y mode returns the elements that hit-test at the current y coordinate - * @function Chart.Interaction.modes.y - * @param {Chart} chart - the chart we are returning items from - * @param {Event} e - the event we are find things at - * @param {IInteractionOptions} options - options to use - * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned - */ - y: function(chart, e, options) { - var position = getRelativePosition(e, chart); - var items = []; - var intersectsItem = false; - - parseVisibleItems(chart, function(element) { - if (element.inYRange(position.y)) { - items.push(element); - } - - if (element.inRange(position.x, position.y)) { - intersectsItem = true; - } - }); - - // If we want to trigger on an intersect and we don't have any items - // that intersect the position, return nothing - if (options.intersect && !intersectsItem) { - items = []; - } - return items; - } - } -}; - -function filterByPosition(array, position) { - return helpers$1.where(array, function(v) { - return v.position === position; - }); -} - -function sortByWeight(array, reverse) { - array.forEach(function(v, i) { - v._tmpIndex_ = i; - return v; - }); - array.sort(function(a, b) { - var v0 = reverse ? b : a; - var v1 = reverse ? a : b; - return v0.weight === v1.weight ? - v0._tmpIndex_ - v1._tmpIndex_ : - v0.weight - v1.weight; - }); - array.forEach(function(v) { - delete v._tmpIndex_; - }); -} - -function findMaxPadding(boxes) { - var top = 0; - var left = 0; - var bottom = 0; - var right = 0; - helpers$1.each(boxes, function(box) { - if (box.getPadding) { - var boxPadding = box.getPadding(); - top = Math.max(top, boxPadding.top); - left = Math.max(left, boxPadding.left); - bottom = Math.max(bottom, boxPadding.bottom); - right = Math.max(right, boxPadding.right); - } - }); - return { - top: top, - left: left, - bottom: bottom, - right: right - }; -} - -function addSizeByPosition(boxes, size) { - helpers$1.each(boxes, function(box) { - size[box.position] += box.isHorizontal() ? box.height : box.width; - }); -} - -core_defaults._set('global', { - layout: { - padding: { - top: 0, - right: 0, - bottom: 0, - left: 0 - } - } -}); - -/** - * @interface ILayoutItem - * @prop {string} position - The position of the item in the chart layout. Possible values are - * 'left', 'top', 'right', 'bottom', and 'chartArea' - * @prop {number} weight - The weight used to sort the item. Higher weights are further away from the chart area - * @prop {boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down - * @prop {function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom) - * @prop {function} update - Takes two parameters: width and height. Returns size of item - * @prop {function} getPadding - Returns an object with padding on the edges - * @prop {number} width - Width of item. Must be valid after update() - * @prop {number} height - Height of item. Must be valid after update() - * @prop {number} left - Left edge of the item. Set by layout system and cannot be used in update - * @prop {number} top - Top edge of the item. Set by layout system and cannot be used in update - * @prop {number} right - Right edge of the item. Set by layout system and cannot be used in update - * @prop {number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update - */ - -// The layout service is very self explanatory. It's responsible for the layout within a chart. -// Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need -// It is this service's responsibility of carrying out that layout. -var core_layouts = { - defaults: {}, - - /** - * Register a box to a chart. - * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title. - * @param {Chart} chart - the chart to use - * @param {ILayoutItem} item - the item to add to be layed out - */ - addBox: function(chart, item) { - if (!chart.boxes) { - chart.boxes = []; - } - - // initialize item with default values - item.fullWidth = item.fullWidth || false; - item.position = item.position || 'top'; - item.weight = item.weight || 0; - - chart.boxes.push(item); - }, - - /** - * Remove a layoutItem from a chart - * @param {Chart} chart - the chart to remove the box from - * @param {ILayoutItem} layoutItem - the item to remove from the layout - */ - removeBox: function(chart, layoutItem) { - var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; - if (index !== -1) { - chart.boxes.splice(index, 1); - } - }, - - /** - * Sets (or updates) options on the given `item`. - * @param {Chart} chart - the chart in which the item lives (or will be added to) - * @param {ILayoutItem} item - the item to configure with the given options - * @param {object} options - the new item options. - */ - configure: function(chart, item, options) { - var props = ['fullWidth', 'position', 'weight']; - var ilen = props.length; - var i = 0; - var prop; - - for (; i < ilen; ++i) { - prop = props[i]; - if (options.hasOwnProperty(prop)) { - item[prop] = options[prop]; - } - } - }, - - /** - * Fits boxes of the given chart into the given size by having each box measure itself - * then running a fitting algorithm - * @param {Chart} chart - the chart - * @param {number} width - the width to fit into - * @param {number} height - the height to fit into - */ - update: function(chart, width, height) { - if (!chart) { - return; - } - - var layoutOptions = chart.options.layout || {}; - var padding = helpers$1.options.toPadding(layoutOptions.padding); - var leftPadding = padding.left; - var rightPadding = padding.right; - var topPadding = padding.top; - var bottomPadding = padding.bottom; - - var leftBoxes = filterByPosition(chart.boxes, 'left'); - var rightBoxes = filterByPosition(chart.boxes, 'right'); - var topBoxes = filterByPosition(chart.boxes, 'top'); - var bottomBoxes = filterByPosition(chart.boxes, 'bottom'); - var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea'); - - // Sort boxes by weight. A higher weight is further away from the chart area - sortByWeight(leftBoxes, true); - sortByWeight(rightBoxes, false); - sortByWeight(topBoxes, true); - sortByWeight(bottomBoxes, false); - - var verticalBoxes = leftBoxes.concat(rightBoxes); - var horizontalBoxes = topBoxes.concat(bottomBoxes); - var outerBoxes = verticalBoxes.concat(horizontalBoxes); - - // Essentially we now have any number of boxes on each of the 4 sides. - // Our canvas looks like the following. - // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and - // B1 is the bottom axis - // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays - // These locations are single-box locations only, when trying to register a chartArea location that is already taken, - // an error will be thrown. - // - // |----------------------------------------------------| - // | T1 (Full Width) | - // |----------------------------------------------------| - // | | | T2 | | - // | |----|-------------------------------------|----| - // | | | C1 | | C2 | | - // | | |----| |----| | - // | | | | | - // | L1 | L2 | ChartArea (C0) | R1 | - // | | | | | - // | | |----| |----| | - // | | | C3 | | C4 | | - // | |----|-------------------------------------|----| - // | | | B1 | | - // |----------------------------------------------------| - // | B2 (Full Width) | - // |----------------------------------------------------| - // - // What we do to find the best sizing, we do the following - // 1. Determine the minimum size of the chart area. - // 2. Split the remaining width equally between each vertical axis - // 3. Split the remaining height equally between each horizontal axis - // 4. Give each layout the maximum size it can be. The layout will return it's minimum size - // 5. Adjust the sizes of each axis based on it's minimum reported size. - // 6. Refit each axis - // 7. Position each axis in the final location - // 8. Tell the chart the final location of the chart area - // 9. Tell any axes that overlay the chart area the positions of the chart area - - // Step 1 - var chartWidth = width - leftPadding - rightPadding; - var chartHeight = height - topPadding - bottomPadding; - var chartAreaWidth = chartWidth / 2; // min 50% - - // Step 2 - var verticalBoxWidth = (width - chartAreaWidth) / verticalBoxes.length; - - // Step 3 - // TODO re-limit horizontal axis height (this limit has affected only padding calculation since PR 1837) - // var horizontalBoxHeight = (height - chartAreaHeight) / horizontalBoxes.length; - - // Step 4 - var maxChartAreaWidth = chartWidth; - var maxChartAreaHeight = chartHeight; - var outerBoxSizes = {top: topPadding, left: leftPadding, bottom: bottomPadding, right: rightPadding}; - var minBoxSizes = []; - var maxPadding; - - function getMinimumBoxSize(box) { - var minSize; - var isHorizontal = box.isHorizontal(); - - if (isHorizontal) { - minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2); - maxChartAreaHeight -= minSize.height; - } else { - minSize = box.update(verticalBoxWidth, maxChartAreaHeight); - maxChartAreaWidth -= minSize.width; - } - - minBoxSizes.push({ - horizontal: isHorizontal, - width: minSize.width, - box: box, - }); - } - - helpers$1.each(outerBoxes, getMinimumBoxSize); - - // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478) - maxPadding = findMaxPadding(outerBoxes); - - // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could - // be if the axes are drawn at their minimum sizes. - // Steps 5 & 6 - - // Function to fit a box - function fitBox(box) { - var minBoxSize = helpers$1.findNextWhere(minBoxSizes, function(minBox) { - return minBox.box === box; - }); - - if (minBoxSize) { - if (minBoxSize.horizontal) { - var scaleMargin = { - left: Math.max(outerBoxSizes.left, maxPadding.left), - right: Math.max(outerBoxSizes.right, maxPadding.right), - top: 0, - bottom: 0 - }; - - // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends - // on the margin. Sometimes they need to increase in size slightly - box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin); - } else { - box.update(minBoxSize.width, maxChartAreaHeight); - } - } - } - - // Update, and calculate the left and right margins for the horizontal boxes - helpers$1.each(verticalBoxes, fitBox); - addSizeByPosition(verticalBoxes, outerBoxSizes); - - // Set the Left and Right margins for the horizontal boxes - helpers$1.each(horizontalBoxes, fitBox); - addSizeByPosition(horizontalBoxes, outerBoxSizes); - - function finalFitVerticalBox(box) { - var minBoxSize = helpers$1.findNextWhere(minBoxSizes, function(minSize) { - return minSize.box === box; - }); - - var scaleMargin = { - left: 0, - right: 0, - top: outerBoxSizes.top, - bottom: outerBoxSizes.bottom - }; - - if (minBoxSize) { - box.update(minBoxSize.width, maxChartAreaHeight, scaleMargin); - } - } - - // Let the left layout know the final margin - helpers$1.each(verticalBoxes, finalFitVerticalBox); - - // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance) - outerBoxSizes = {top: topPadding, left: leftPadding, bottom: bottomPadding, right: rightPadding}; - addSizeByPosition(outerBoxes, outerBoxSizes); - - // We may be adding some padding to account for rotated x axis labels - var leftPaddingAddition = Math.max(maxPadding.left - outerBoxSizes.left, 0); - outerBoxSizes.left += leftPaddingAddition; - outerBoxSizes.right += Math.max(maxPadding.right - outerBoxSizes.right, 0); - - var topPaddingAddition = Math.max(maxPadding.top - outerBoxSizes.top, 0); - outerBoxSizes.top += topPaddingAddition; - outerBoxSizes.bottom += Math.max(maxPadding.bottom - outerBoxSizes.bottom, 0); - - // Figure out if our chart area changed. This would occur if the dataset layout label rotation - // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do - // without calling `fit` again - var newMaxChartAreaHeight = height - outerBoxSizes.top - outerBoxSizes.bottom; - var newMaxChartAreaWidth = width - outerBoxSizes.left - outerBoxSizes.right; - - if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) { - helpers$1.each(verticalBoxes, function(box) { - box.height = newMaxChartAreaHeight; - }); - - helpers$1.each(horizontalBoxes, function(box) { - if (!box.fullWidth) { - box.width = newMaxChartAreaWidth; - } - }); - - maxChartAreaHeight = newMaxChartAreaHeight; - maxChartAreaWidth = newMaxChartAreaWidth; - } - - // Step 7 - Position the boxes - var left = leftPadding + leftPaddingAddition; - var top = topPadding + topPaddingAddition; - - function placeBox(box) { - if (box.isHorizontal()) { - box.left = box.fullWidth ? leftPadding : outerBoxSizes.left; - box.right = box.fullWidth ? width - rightPadding : outerBoxSizes.left + maxChartAreaWidth; - box.top = top; - box.bottom = top + box.height; - - // Move to next point - top = box.bottom; - - } else { - - box.left = left; - box.right = left + box.width; - box.top = outerBoxSizes.top; - box.bottom = outerBoxSizes.top + maxChartAreaHeight; - - // Move to next point - left = box.right; - } - } - - helpers$1.each(leftBoxes.concat(topBoxes), placeBox); - - // Account for chart width and height - left += maxChartAreaWidth; - top += maxChartAreaHeight; - - helpers$1.each(rightBoxes, placeBox); - helpers$1.each(bottomBoxes, placeBox); - - // Step 8 - chart.chartArea = { - left: outerBoxSizes.left, - top: outerBoxSizes.top, - right: outerBoxSizes.left + maxChartAreaWidth, - bottom: outerBoxSizes.top + maxChartAreaHeight - }; - - // Step 9 - helpers$1.each(chartAreaBoxes, function(box) { - box.left = chart.chartArea.left; - box.top = chart.chartArea.top; - box.right = chart.chartArea.right; - box.bottom = chart.chartArea.bottom; - - box.update(maxChartAreaWidth, maxChartAreaHeight); - }); - } -}; - -/** - * Platform fallback implementation (minimal). - * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939 - */ - -var platform_basic = { - acquireContext: function(item) { - if (item && item.canvas) { - // Support for any object associated to a canvas (including a context2d) - item = item.canvas; - } - - return item && item.getContext('2d') || null; - } -}; - -var platform_dom = "/*\n * DOM element rendering detection\n * https://davidwalsh.name/detect-node-insertion\n */\n@keyframes chartjs-render-animation {\n\tfrom { opacity: 0.99; }\n\tto { opacity: 1; }\n}\n\n.chartjs-render-monitor {\n\tanimation: chartjs-render-animation 0.001s;\n}\n\n/*\n * DOM element resizing detection\n * https://github.com/marcj/css-element-queries\n */\n.chartjs-size-monitor,\n.chartjs-size-monitor-expand,\n.chartjs-size-monitor-shrink {\n\tposition: absolute;\n\tdirection: ltr;\n\tleft: 0;\n\ttop: 0;\n\tright: 0;\n\tbottom: 0;\n\toverflow: hidden;\n\tpointer-events: none;\n\tvisibility: hidden;\n\tz-index: -1;\n}\n\n.chartjs-size-monitor-expand > div {\n\tposition: absolute;\n\twidth: 1000000px;\n\theight: 1000000px;\n\tleft: 0;\n\ttop: 0;\n}\n\n.chartjs-size-monitor-shrink > div {\n\tposition: absolute;\n\twidth: 200%;\n\theight: 200%;\n\tleft: 0;\n\ttop: 0;\n}\n"; - -var platform_dom$1 = /*#__PURE__*/Object.freeze({ -default: platform_dom -}); - -function getCjsExportFromNamespace (n) { - return n && n.default || n; -} - -var stylesheet = getCjsExportFromNamespace(platform_dom$1); - -var EXPANDO_KEY = '$chartjs'; -var CSS_PREFIX = 'chartjs-'; -var CSS_SIZE_MONITOR = CSS_PREFIX + 'size-monitor'; -var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor'; -var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation'; -var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart']; - -/** - * DOM event types -> Chart.js event types. - * Note: only events with different types are mapped. - * @see https://developer.mozilla.org/en-US/docs/Web/Events - */ -var EVENT_TYPES = { - touchstart: 'mousedown', - touchmove: 'mousemove', - touchend: 'mouseup', - pointerenter: 'mouseenter', - pointerdown: 'mousedown', - pointermove: 'mousemove', - pointerup: 'mouseup', - pointerleave: 'mouseout', - pointerout: 'mouseout' -}; - -/** - * The "used" size is the final value of a dimension property after all calculations have - * been performed. This method uses the computed style of `element` but returns undefined - * if the computed style is not expressed in pixels. That can happen in some cases where - * `element` has a size relative to its parent and this last one is not yet displayed, - * for example because of `display: none` on a parent node. - * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value - * @returns {number} Size in pixels or undefined if unknown. - */ -function readUsedSize(element, property) { - var value = helpers$1.getStyle(element, property); - var matches = value && value.match(/^(\d+)(\.\d+)?px$/); - return matches ? Number(matches[1]) : undefined; -} - -/** - * Initializes the canvas style and render size without modifying the canvas display size, - * since responsiveness is handled by the controller.resize() method. The config is used - * to determine the aspect ratio to apply in case no explicit height has been specified. - */ -function initCanvas(canvas, config) { - var style = canvas.style; - - // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it - // returns null or '' if no explicit value has been set to the canvas attribute. - var renderHeight = canvas.getAttribute('height'); - var renderWidth = canvas.getAttribute('width'); - - // Chart.js modifies some canvas values that we want to restore on destroy - canvas[EXPANDO_KEY] = { - initial: { - height: renderHeight, - width: renderWidth, - style: { - display: style.display, - height: style.height, - width: style.width - } - } - }; - - // Force canvas to display as block to avoid extra space caused by inline - // elements, which would interfere with the responsive resize process. - // https://github.com/chartjs/Chart.js/issues/2538 - style.display = style.display || 'block'; - - if (renderWidth === null || renderWidth === '') { - var displayWidth = readUsedSize(canvas, 'width'); - if (displayWidth !== undefined) { - canvas.width = displayWidth; - } - } - - if (renderHeight === null || renderHeight === '') { - if (canvas.style.height === '') { - // If no explicit render height and style height, let's apply the aspect ratio, - // which one can be specified by the user but also by charts as default option - // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2. - canvas.height = canvas.width / (config.options.aspectRatio || 2); - } else { - var displayHeight = readUsedSize(canvas, 'height'); - if (displayWidth !== undefined) { - canvas.height = displayHeight; - } - } - } - - return canvas; -} - -/** - * Detects support for options object argument in addEventListener. - * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support - * @private - */ -var supportsEventListenerOptions = (function() { - var supports = false; - try { - var options = Object.defineProperty({}, 'passive', { - // eslint-disable-next-line getter-return - get: function() { - supports = true; - } - }); - window.addEventListener('e', null, options); - } catch (e) { - // continue regardless of error - } - return supports; -}()); - -// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events. -// https://github.com/chartjs/Chart.js/issues/4287 -var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false; - -function addListener(node, type, listener) { - node.addEventListener(type, listener, eventListenerOptions); -} - -function removeListener(node, type, listener) { - node.removeEventListener(type, listener, eventListenerOptions); -} - -function createEvent(type, chart, x, y, nativeEvent) { - return { - type: type, - chart: chart, - native: nativeEvent || null, - x: x !== undefined ? x : null, - y: y !== undefined ? y : null, - }; -} - -function fromNativeEvent(event, chart) { - var type = EVENT_TYPES[event.type] || event.type; - var pos = helpers$1.getRelativePosition(event, chart); - return createEvent(type, chart, pos.x, pos.y, event); -} - -function throttled(fn, thisArg) { - var ticking = false; - var args = []; - - return function() { - args = Array.prototype.slice.call(arguments); - thisArg = thisArg || this; - - if (!ticking) { - ticking = true; - helpers$1.requestAnimFrame.call(window, function() { - ticking = false; - fn.apply(thisArg, args); - }); - } - }; -} - -function createDiv(cls) { - var el = document.createElement('div'); - el.className = cls || ''; - return el; -} - -// Implementation based on https://github.com/marcj/css-element-queries -function createResizer(handler) { - var maxSize = 1000000; - - // NOTE(SB) Don't use innerHTML because it could be considered unsafe. - // https://github.com/chartjs/Chart.js/issues/5902 - var resizer = createDiv(CSS_SIZE_MONITOR); - var expand = createDiv(CSS_SIZE_MONITOR + '-expand'); - var shrink = createDiv(CSS_SIZE_MONITOR + '-shrink'); - - expand.appendChild(createDiv()); - shrink.appendChild(createDiv()); - - resizer.appendChild(expand); - resizer.appendChild(shrink); - resizer._reset = function() { - expand.scrollLeft = maxSize; - expand.scrollTop = maxSize; - shrink.scrollLeft = maxSize; - shrink.scrollTop = maxSize; - }; - - var onScroll = function() { - resizer._reset(); - handler(); - }; - - addListener(expand, 'scroll', onScroll.bind(expand, 'expand')); - addListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink')); - - return resizer; -} - -// https://davidwalsh.name/detect-node-insertion -function watchForRender(node, handler) { - var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); - var proxy = expando.renderProxy = function(e) { - if (e.animationName === CSS_RENDER_ANIMATION) { - handler(); - } - }; - - helpers$1.each(ANIMATION_START_EVENTS, function(type) { - addListener(node, type, proxy); - }); - - // #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class - // is removed then added back immediately (same animation frame?). Accessing the - // `offsetParent` property will force a reflow and re-evaluate the CSS animation. - // https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics - // https://github.com/chartjs/Chart.js/issues/4737 - expando.reflow = !!node.offsetParent; - - node.classList.add(CSS_RENDER_MONITOR); -} - -function unwatchForRender(node) { - var expando = node[EXPANDO_KEY] || {}; - var proxy = expando.renderProxy; - - if (proxy) { - helpers$1.each(ANIMATION_START_EVENTS, function(type) { - removeListener(node, type, proxy); - }); - - delete expando.renderProxy; - } - - node.classList.remove(CSS_RENDER_MONITOR); -} - -function addResizeListener(node, listener, chart) { - var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); - - // Let's keep track of this added resizer and thus avoid DOM query when removing it. - var resizer = expando.resizer = createResizer(throttled(function() { - if (expando.resizer) { - var container = chart.options.maintainAspectRatio && node.parentNode; - var w = container ? container.clientWidth : 0; - listener(createEvent('resize', chart)); - if (container && container.clientWidth < w && chart.canvas) { - // If the container size shrank during chart resize, let's assume - // scrollbar appeared. So we resize again with the scrollbar visible - - // effectively making chart smaller and the scrollbar hidden again. - // Because we are inside `throttled`, and currently `ticking`, scroll - // events are ignored during this whole 2 resize process. - // If we assumed wrong and something else happened, we are resizing - // twice in a frame (potential performance issue) - listener(createEvent('resize', chart)); - } - } - })); - - // The resizer needs to be attached to the node parent, so we first need to be - // sure that `node` is attached to the DOM before injecting the resizer element. - watchForRender(node, function() { - if (expando.resizer) { - var container = node.parentNode; - if (container && container !== resizer.parentNode) { - container.insertBefore(resizer, container.firstChild); - } - - // The container size might have changed, let's reset the resizer state. - resizer._reset(); - } - }); -} - -function removeResizeListener(node) { - var expando = node[EXPANDO_KEY] || {}; - var resizer = expando.resizer; - - delete expando.resizer; - unwatchForRender(node); - - if (resizer && resizer.parentNode) { - resizer.parentNode.removeChild(resizer); - } -} - -function injectCSS(platform, css) { - // https://stackoverflow.com/q/3922139 - var style = platform._style || document.createElement('style'); - if (!platform._style) { - platform._style = style; - css = '/* Chart.js */\n' + css; - style.setAttribute('type', 'text/css'); - document.getElementsByTagName('head')[0].appendChild(style); - } - - style.appendChild(document.createTextNode(css)); -} - -var platform_dom$2 = { - /** - * When `true`, prevents the automatic injection of the stylesheet required to - * correctly detect when the chart is added to the DOM and then resized. This - * switch has been added to allow external stylesheet (`dist/Chart(.min)?.js`) - * to be manually imported to make this library compatible with any CSP. - * See https://github.com/chartjs/Chart.js/issues/5208 - */ - disableCSSInjection: false, - - /** - * This property holds whether this platform is enabled for the current environment. - * Currently used by platform.js to select the proper implementation. - * @private - */ - _enabled: typeof window !== 'undefined' && typeof document !== 'undefined', - - /** - * @private - */ - _ensureLoaded: function() { - if (this._loaded) { - return; - } - - this._loaded = true; - - // https://github.com/chartjs/Chart.js/issues/5208 - if (!this.disableCSSInjection) { - injectCSS(this, stylesheet); - } - }, - - acquireContext: function(item, config) { - if (typeof item === 'string') { - item = document.getElementById(item); - } else if (item.length) { - // Support for array based queries (such as jQuery) - item = item[0]; - } - - if (item && item.canvas) { - // Support for any object associated to a canvas (including a context2d) - item = item.canvas; - } - - // To prevent canvas fingerprinting, some add-ons undefine the getContext - // method, for example: https://github.com/kkapsner/CanvasBlocker - // https://github.com/chartjs/Chart.js/issues/2807 - var context = item && item.getContext && item.getContext('2d'); - - // Load platform resources on first chart creation, to make possible to change - // platform options after importing the library (e.g. `disableCSSInjection`). - this._ensureLoaded(); - - // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is - // inside an iframe or when running in a protected environment. We could guess the - // types from their toString() value but let's keep things flexible and assume it's - // a sufficient condition if the item has a context2D which has item as `canvas`. - // https://github.com/chartjs/Chart.js/issues/3887 - // https://github.com/chartjs/Chart.js/issues/4102 - // https://github.com/chartjs/Chart.js/issues/4152 - if (context && context.canvas === item) { - initCanvas(item, config); - return context; - } - - return null; - }, - - releaseContext: function(context) { - var canvas = context.canvas; - if (!canvas[EXPANDO_KEY]) { - return; - } - - var initial = canvas[EXPANDO_KEY].initial; - ['height', 'width'].forEach(function(prop) { - var value = initial[prop]; - if (helpers$1.isNullOrUndef(value)) { - canvas.removeAttribute(prop); - } else { - canvas.setAttribute(prop, value); - } - }); - - helpers$1.each(initial.style || {}, function(value, key) { - canvas.style[key] = value; - }); - - // The canvas render size might have been changed (and thus the state stack discarded), - // we can't use save() and restore() to restore the initial state. So make sure that at - // least the canvas context is reset to the default state by setting the canvas width. - // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html - // eslint-disable-next-line no-self-assign - canvas.width = canvas.width; - - delete canvas[EXPANDO_KEY]; - }, - - addEventListener: function(chart, type, listener) { - var canvas = chart.canvas; - if (type === 'resize') { - // Note: the resize event is not supported on all browsers. - addResizeListener(canvas, listener, chart); - return; - } - - var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {}); - var proxies = expando.proxies || (expando.proxies = {}); - var proxy = proxies[chart.id + '_' + type] = function(event) { - listener(fromNativeEvent(event, chart)); - }; - - addListener(canvas, type, proxy); - }, - - removeEventListener: function(chart, type, listener) { - var canvas = chart.canvas; - if (type === 'resize') { - // Note: the resize event is not supported on all browsers. - removeResizeListener(canvas); - return; - } - - var expando = listener[EXPANDO_KEY] || {}; - var proxies = expando.proxies || {}; - var proxy = proxies[chart.id + '_' + type]; - if (!proxy) { - return; - } - - removeListener(canvas, type, proxy); - } -}; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use EventTarget.addEventListener instead. - * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ - * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener - * @function Chart.helpers.addEvent - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers$1.addEvent = addListener; - -/** - * Provided for backward compatibility, use EventTarget.removeEventListener instead. - * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ - * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener - * @function Chart.helpers.removeEvent - * @deprecated since version 2.7.0 - * @todo remove at version 3 - * @private - */ -helpers$1.removeEvent = removeListener; - -// @TODO Make possible to select another platform at build time. -var implementation = platform_dom$2._enabled ? platform_dom$2 : platform_basic; - -/** - * @namespace Chart.platform - * @see https://chartjs.gitbooks.io/proposals/content/Platform.html - * @since 2.4.0 - */ -var platform = helpers$1.extend({ - /** - * @since 2.7.0 - */ - initialize: function() {}, - - /** - * Called at chart construction time, returns a context2d instance implementing - * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}. - * @param {*} item - The native item from which to acquire context (platform specific) - * @param {object} options - The chart options - * @returns {CanvasRenderingContext2D} context2d instance - */ - acquireContext: function() {}, - - /** - * Called at chart destruction time, releases any resources associated to the context - * previously returned by the acquireContext() method. - * @param {CanvasRenderingContext2D} context - The context2d instance - * @returns {boolean} true if the method succeeded, else false - */ - releaseContext: function() {}, - - /** - * Registers the specified listener on the given chart. - * @param {Chart} chart - Chart from which to listen for event - * @param {string} type - The ({@link IEvent}) type to listen for - * @param {function} listener - Receives a notification (an object that implements - * the {@link IEvent} interface) when an event of the specified type occurs. - */ - addEventListener: function() {}, - - /** - * Removes the specified listener previously registered with addEventListener. - * @param {Chart} chart - Chart from which to remove the listener - * @param {string} type - The ({@link IEvent}) type to remove - * @param {function} listener - The listener function to remove from the event target. - */ - removeEventListener: function() {} - -}, implementation); - -core_defaults._set('global', { - plugins: {} -}); - -/** - * The plugin service singleton - * @namespace Chart.plugins - * @since 2.1.0 - */ -var core_plugins = { - /** - * Globally registered plugins. - * @private - */ - _plugins: [], - - /** - * This identifier is used to invalidate the descriptors cache attached to each chart - * when a global plugin is registered or unregistered. In this case, the cache ID is - * incremented and descriptors are regenerated during following API calls. - * @private - */ - _cacheId: 0, - - /** - * Registers the given plugin(s) if not already registered. - * @param {IPlugin[]|IPlugin} plugins plugin instance(s). - */ - register: function(plugins) { - var p = this._plugins; - ([]).concat(plugins).forEach(function(plugin) { - if (p.indexOf(plugin) === -1) { - p.push(plugin); - } - }); - - this._cacheId++; - }, - - /** - * Unregisters the given plugin(s) only if registered. - * @param {IPlugin[]|IPlugin} plugins plugin instance(s). - */ - unregister: function(plugins) { - var p = this._plugins; - ([]).concat(plugins).forEach(function(plugin) { - var idx = p.indexOf(plugin); - if (idx !== -1) { - p.splice(idx, 1); - } - }); - - this._cacheId++; - }, - - /** - * Remove all registered plugins. - * @since 2.1.5 - */ - clear: function() { - this._plugins = []; - this._cacheId++; - }, - - /** - * Returns the number of registered plugins? - * @returns {number} - * @since 2.1.5 - */ - count: function() { - return this._plugins.length; - }, - - /** - * Returns all registered plugin instances. - * @returns {IPlugin[]} array of plugin objects. - * @since 2.1.5 - */ - getAll: function() { - return this._plugins; - }, - - /** - * Calls enabled plugins for `chart` on the specified hook and with the given args. - * This method immediately returns as soon as a plugin explicitly returns false. The - * returned value can be used, for instance, to interrupt the current action. - * @param {Chart} chart - The chart instance for which plugins should be called. - * @param {string} hook - The name of the plugin method to call (e.g. 'beforeUpdate'). - * @param {Array} [args] - Extra arguments to apply to the hook call. - * @returns {boolean} false if any of the plugins return false, else returns true. - */ - notify: function(chart, hook, args) { - var descriptors = this.descriptors(chart); - var ilen = descriptors.length; - var i, descriptor, plugin, params, method; - - for (i = 0; i < ilen; ++i) { - descriptor = descriptors[i]; - plugin = descriptor.plugin; - method = plugin[hook]; - if (typeof method === 'function') { - params = [chart].concat(args || []); - params.push(descriptor.options); - if (method.apply(plugin, params) === false) { - return false; - } - } - } - - return true; - }, - - /** - * Returns descriptors of enabled plugins for the given chart. - * @returns {object[]} [{ plugin, options }] - * @private - */ - descriptors: function(chart) { - var cache = chart.$plugins || (chart.$plugins = {}); - if (cache.id === this._cacheId) { - return cache.descriptors; - } - - var plugins = []; - var descriptors = []; - var config = (chart && chart.config) || {}; - var options = (config.options && config.options.plugins) || {}; - - this._plugins.concat(config.plugins || []).forEach(function(plugin) { - var idx = plugins.indexOf(plugin); - if (idx !== -1) { - return; - } - - var id = plugin.id; - var opts = options[id]; - if (opts === false) { - return; - } - - if (opts === true) { - opts = helpers$1.clone(core_defaults.global.plugins[id]); - } - - plugins.push(plugin); - descriptors.push({ - plugin: plugin, - options: opts || {} - }); - }); - - cache.descriptors = descriptors; - cache.id = this._cacheId; - return descriptors; - }, - - /** - * Invalidates cache for the given chart: descriptors hold a reference on plugin option, - * but in some cases, this reference can be changed by the user when updating options. - * https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 - * @private - */ - _invalidate: function(chart) { - delete chart.$plugins; - } -}; - -var core_scaleService = { - // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then - // use the new chart options to grab the correct scale - constructors: {}, - // Use a registration function so that we can move to an ES6 map when we no longer need to support - // old browsers - - // Scale config defaults - defaults: {}, - registerScaleType: function(type, scaleConstructor, scaleDefaults) { - this.constructors[type] = scaleConstructor; - this.defaults[type] = helpers$1.clone(scaleDefaults); - }, - getScaleConstructor: function(type) { - return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined; - }, - getScaleDefaults: function(type) { - // Return the scale defaults merged with the global settings so that we always use the latest ones - return this.defaults.hasOwnProperty(type) ? helpers$1.merge({}, [core_defaults.scale, this.defaults[type]]) : {}; - }, - updateScaleDefaults: function(type, additions) { - var me = this; - if (me.defaults.hasOwnProperty(type)) { - me.defaults[type] = helpers$1.extend(me.defaults[type], additions); - } - }, - addScalesToLayout: function(chart) { - // Adds each scale to the chart.boxes array to be sized accordingly - helpers$1.each(chart.scales, function(scale) { - // Set ILayoutItem parameters for backwards compatibility - scale.fullWidth = scale.options.fullWidth; - scale.position = scale.options.position; - scale.weight = scale.options.weight; - core_layouts.addBox(chart, scale); - }); - } -}; - -var valueOrDefault$7 = helpers$1.valueOrDefault; - -core_defaults._set('global', { - tooltips: { - enabled: true, - custom: null, - mode: 'nearest', - position: 'average', - intersect: true, - backgroundColor: 'rgba(0,0,0,0.8)', - titleFontStyle: 'bold', - titleSpacing: 2, - titleMarginBottom: 6, - titleFontColor: '#fff', - titleAlign: 'left', - bodySpacing: 2, - bodyFontColor: '#fff', - bodyAlign: 'left', - footerFontStyle: 'bold', - footerSpacing: 2, - footerMarginTop: 6, - footerFontColor: '#fff', - footerAlign: 'left', - yPadding: 6, - xPadding: 6, - caretPadding: 2, - caretSize: 5, - cornerRadius: 6, - multiKeyBackground: '#fff', - displayColors: true, - borderColor: 'rgba(0,0,0,0)', - borderWidth: 0, - callbacks: { - // Args are: (tooltipItems, data) - beforeTitle: helpers$1.noop, - title: function(tooltipItems, data) { - var title = ''; - var labels = data.labels; - var labelCount = labels ? labels.length : 0; - - if (tooltipItems.length > 0) { - var item = tooltipItems[0]; - if (item.label) { - title = item.label; - } else if (item.xLabel) { - title = item.xLabel; - } else if (labelCount > 0 && item.index < labelCount) { - title = labels[item.index]; - } - } - - return title; - }, - afterTitle: helpers$1.noop, - - // Args are: (tooltipItems, data) - beforeBody: helpers$1.noop, - - // Args are: (tooltipItem, data) - beforeLabel: helpers$1.noop, - label: function(tooltipItem, data) { - var label = data.datasets[tooltipItem.datasetIndex].label || ''; - - if (label) { - label += ': '; - } - if (!helpers$1.isNullOrUndef(tooltipItem.value)) { - label += tooltipItem.value; - } else { - label += tooltipItem.yLabel; - } - return label; - }, - labelColor: function(tooltipItem, chart) { - var meta = chart.getDatasetMeta(tooltipItem.datasetIndex); - var activeElement = meta.data[tooltipItem.index]; - var view = activeElement._view; - return { - borderColor: view.borderColor, - backgroundColor: view.backgroundColor - }; - }, - labelTextColor: function() { - return this._options.bodyFontColor; - }, - afterLabel: helpers$1.noop, - - // Args are: (tooltipItems, data) - afterBody: helpers$1.noop, - - // Args are: (tooltipItems, data) - beforeFooter: helpers$1.noop, - footer: helpers$1.noop, - afterFooter: helpers$1.noop - } - } -}); - -var positioners = { - /** - * Average mode places the tooltip at the average position of the elements shown - * @function Chart.Tooltip.positioners.average - * @param elements {ChartElement[]} the elements being displayed in the tooltip - * @returns {object} tooltip position - */ - average: function(elements) { - if (!elements.length) { - return false; - } - - var i, len; - var x = 0; - var y = 0; - var count = 0; - - for (i = 0, len = elements.length; i < len; ++i) { - var el = elements[i]; - if (el && el.hasValue()) { - var pos = el.tooltipPosition(); - x += pos.x; - y += pos.y; - ++count; - } - } - - return { - x: x / count, - y: y / count - }; - }, - - /** - * Gets the tooltip position nearest of the item nearest to the event position - * @function Chart.Tooltip.positioners.nearest - * @param elements {Chart.Element[]} the tooltip elements - * @param eventPosition {object} the position of the event in canvas coordinates - * @returns {object} the tooltip position - */ - nearest: function(elements, eventPosition) { - var x = eventPosition.x; - var y = eventPosition.y; - var minDistance = Number.POSITIVE_INFINITY; - var i, len, nearestElement; - - for (i = 0, len = elements.length; i < len; ++i) { - var el = elements[i]; - if (el && el.hasValue()) { - var center = el.getCenterPoint(); - var d = helpers$1.distanceBetweenPoints(eventPosition, center); - - if (d < minDistance) { - minDistance = d; - nearestElement = el; - } - } - } - - if (nearestElement) { - var tp = nearestElement.tooltipPosition(); - x = tp.x; - y = tp.y; - } - - return { - x: x, - y: y - }; - } -}; - -// Helper to push or concat based on if the 2nd parameter is an array or not -function pushOrConcat(base, toPush) { - if (toPush) { - if (helpers$1.isArray(toPush)) { - // base = base.concat(toPush); - Array.prototype.push.apply(base, toPush); - } else { - base.push(toPush); - } - } - - return base; -} - -/** - * Returns array of strings split by newline - * @param {string} value - The value to split by newline. - * @returns {string[]} value if newline present - Returned from String split() method - * @function - */ -function splitNewlines(str) { - if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { - return str.split('\n'); - } - return str; -} - - -/** - * Private helper to create a tooltip item model - * @param element - the chart element (point, arc, bar) to create the tooltip item for - * @return new tooltip item - */ -function createTooltipItem(element) { - var xScale = element._xScale; - var yScale = element._yScale || element._scale; // handle radar || polarArea charts - var index = element._index; - var datasetIndex = element._datasetIndex; - var controller = element._chart.getDatasetMeta(datasetIndex).controller; - var indexScale = controller._getIndexScale(); - var valueScale = controller._getValueScale(); - - return { - xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '', - yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '', - label: indexScale ? '' + indexScale.getLabelForIndex(index, datasetIndex) : '', - value: valueScale ? '' + valueScale.getLabelForIndex(index, datasetIndex) : '', - index: index, - datasetIndex: datasetIndex, - x: element._model.x, - y: element._model.y - }; -} - -/** - * Helper to get the reset model for the tooltip - * @param tooltipOpts {object} the tooltip options - */ -function getBaseModel(tooltipOpts) { - var globalDefaults = core_defaults.global; - - return { - // Positioning - xPadding: tooltipOpts.xPadding, - yPadding: tooltipOpts.yPadding, - xAlign: tooltipOpts.xAlign, - yAlign: tooltipOpts.yAlign, - - // Body - bodyFontColor: tooltipOpts.bodyFontColor, - _bodyFontFamily: valueOrDefault$7(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily), - _bodyFontStyle: valueOrDefault$7(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle), - _bodyAlign: tooltipOpts.bodyAlign, - bodyFontSize: valueOrDefault$7(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize), - bodySpacing: tooltipOpts.bodySpacing, - - // Title - titleFontColor: tooltipOpts.titleFontColor, - _titleFontFamily: valueOrDefault$7(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily), - _titleFontStyle: valueOrDefault$7(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle), - titleFontSize: valueOrDefault$7(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize), - _titleAlign: tooltipOpts.titleAlign, - titleSpacing: tooltipOpts.titleSpacing, - titleMarginBottom: tooltipOpts.titleMarginBottom, - - // Footer - footerFontColor: tooltipOpts.footerFontColor, - _footerFontFamily: valueOrDefault$7(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily), - _footerFontStyle: valueOrDefault$7(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle), - footerFontSize: valueOrDefault$7(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize), - _footerAlign: tooltipOpts.footerAlign, - footerSpacing: tooltipOpts.footerSpacing, - footerMarginTop: tooltipOpts.footerMarginTop, - - // Appearance - caretSize: tooltipOpts.caretSize, - cornerRadius: tooltipOpts.cornerRadius, - backgroundColor: tooltipOpts.backgroundColor, - opacity: 0, - legendColorBackground: tooltipOpts.multiKeyBackground, - displayColors: tooltipOpts.displayColors, - borderColor: tooltipOpts.borderColor, - borderWidth: tooltipOpts.borderWidth - }; -} - -/** - * Get the size of the tooltip - */ -function getTooltipSize(tooltip, model) { - var ctx = tooltip._chart.ctx; - - var height = model.yPadding * 2; // Tooltip Padding - var width = 0; - - // Count of all lines in the body - var body = model.body; - var combinedBodyLength = body.reduce(function(count, bodyItem) { - return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length; - }, 0); - combinedBodyLength += model.beforeBody.length + model.afterBody.length; - - var titleLineCount = model.title.length; - var footerLineCount = model.footer.length; - var titleFontSize = model.titleFontSize; - var bodyFontSize = model.bodyFontSize; - var footerFontSize = model.footerFontSize; - - height += titleLineCount * titleFontSize; // Title Lines - height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing - height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin - height += combinedBodyLength * bodyFontSize; // Body Lines - height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing - height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin - height += footerLineCount * (footerFontSize); // Footer Lines - height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing - - // Title width - var widthPadding = 0; - var maxLineWidth = function(line) { - width = Math.max(width, ctx.measureText(line).width + widthPadding); - }; - - ctx.font = helpers$1.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily); - helpers$1.each(model.title, maxLineWidth); - - // Body width - ctx.font = helpers$1.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily); - helpers$1.each(model.beforeBody.concat(model.afterBody), maxLineWidth); - - // Body lines may include some extra width due to the color box - widthPadding = model.displayColors ? (bodyFontSize + 2) : 0; - helpers$1.each(body, function(bodyItem) { - helpers$1.each(bodyItem.before, maxLineWidth); - helpers$1.each(bodyItem.lines, maxLineWidth); - helpers$1.each(bodyItem.after, maxLineWidth); - }); - - // Reset back to 0 - widthPadding = 0; - - // Footer width - ctx.font = helpers$1.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily); - helpers$1.each(model.footer, maxLineWidth); - - // Add padding - width += 2 * model.xPadding; - - return { - width: width, - height: height - }; -} - -/** - * Helper to get the alignment of a tooltip given the size - */ -function determineAlignment(tooltip, size) { - var model = tooltip._model; - var chart = tooltip._chart; - var chartArea = tooltip._chart.chartArea; - var xAlign = 'center'; - var yAlign = 'center'; - - if (model.y < size.height) { - yAlign = 'top'; - } else if (model.y > (chart.height - size.height)) { - yAlign = 'bottom'; - } - - var lf, rf; // functions to determine left, right alignment - var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart - var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges - var midX = (chartArea.left + chartArea.right) / 2; - var midY = (chartArea.top + chartArea.bottom) / 2; - - if (yAlign === 'center') { - lf = function(x) { - return x <= midX; - }; - rf = function(x) { - return x > midX; - }; - } else { - lf = function(x) { - return x <= (size.width / 2); - }; - rf = function(x) { - return x >= (chart.width - (size.width / 2)); - }; - } - - olf = function(x) { - return x + size.width + model.caretSize + model.caretPadding > chart.width; - }; - orf = function(x) { - return x - size.width - model.caretSize - model.caretPadding < 0; - }; - yf = function(y) { - return y <= midY ? 'top' : 'bottom'; - }; - - if (lf(model.x)) { - xAlign = 'left'; - - // Is tooltip too wide and goes over the right side of the chart.? - if (olf(model.x)) { - xAlign = 'center'; - yAlign = yf(model.y); - } - } else if (rf(model.x)) { - xAlign = 'right'; - - // Is tooltip too wide and goes outside left edge of canvas? - if (orf(model.x)) { - xAlign = 'center'; - yAlign = yf(model.y); - } - } - - var opts = tooltip._options; - return { - xAlign: opts.xAlign ? opts.xAlign : xAlign, - yAlign: opts.yAlign ? opts.yAlign : yAlign - }; -} - -/** - * Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment - */ -function getBackgroundPoint(vm, size, alignment, chart) { - // Background Position - var x = vm.x; - var y = vm.y; - - var caretSize = vm.caretSize; - var caretPadding = vm.caretPadding; - var cornerRadius = vm.cornerRadius; - var xAlign = alignment.xAlign; - var yAlign = alignment.yAlign; - var paddingAndSize = caretSize + caretPadding; - var radiusAndPadding = cornerRadius + caretPadding; - - if (xAlign === 'right') { - x -= size.width; - } else if (xAlign === 'center') { - x -= (size.width / 2); - if (x + size.width > chart.width) { - x = chart.width - size.width; - } - if (x < 0) { - x = 0; - } - } - - if (yAlign === 'top') { - y += paddingAndSize; - } else if (yAlign === 'bottom') { - y -= size.height + paddingAndSize; - } else { - y -= (size.height / 2); - } - - if (yAlign === 'center') { - if (xAlign === 'left') { - x += paddingAndSize; - } else if (xAlign === 'right') { - x -= paddingAndSize; - } - } else if (xAlign === 'left') { - x -= radiusAndPadding; - } else if (xAlign === 'right') { - x += radiusAndPadding; - } - - return { - x: x, - y: y - }; -} - -function getAlignedX(vm, align) { - return align === 'center' - ? vm.x + vm.width / 2 - : align === 'right' - ? vm.x + vm.width - vm.xPadding - : vm.x + vm.xPadding; -} - -/** - * Helper to build before and after body lines - */ -function getBeforeAfterBodyLines(callback) { - return pushOrConcat([], splitNewlines(callback)); -} - -var exports$3 = core_element.extend({ - initialize: function() { - this._model = getBaseModel(this._options); - this._lastActive = []; - }, - - // Get the title - // Args are: (tooltipItem, data) - getTitle: function() { - var me = this; - var opts = me._options; - var callbacks = opts.callbacks; - - var beforeTitle = callbacks.beforeTitle.apply(me, arguments); - var title = callbacks.title.apply(me, arguments); - var afterTitle = callbacks.afterTitle.apply(me, arguments); - - var lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeTitle)); - lines = pushOrConcat(lines, splitNewlines(title)); - lines = pushOrConcat(lines, splitNewlines(afterTitle)); - - return lines; - }, - - // Args are: (tooltipItem, data) - getBeforeBody: function() { - return getBeforeAfterBodyLines(this._options.callbacks.beforeBody.apply(this, arguments)); - }, - - // Args are: (tooltipItem, data) - getBody: function(tooltipItems, data) { - var me = this; - var callbacks = me._options.callbacks; - var bodyItems = []; - - helpers$1.each(tooltipItems, function(tooltipItem) { - var bodyItem = { - before: [], - lines: [], - after: [] - }; - pushOrConcat(bodyItem.before, splitNewlines(callbacks.beforeLabel.call(me, tooltipItem, data))); - pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data)); - pushOrConcat(bodyItem.after, splitNewlines(callbacks.afterLabel.call(me, tooltipItem, data))); - - bodyItems.push(bodyItem); - }); - - return bodyItems; - }, - - // Args are: (tooltipItem, data) - getAfterBody: function() { - return getBeforeAfterBodyLines(this._options.callbacks.afterBody.apply(this, arguments)); - }, - - // Get the footer and beforeFooter and afterFooter lines - // Args are: (tooltipItem, data) - getFooter: function() { - var me = this; - var callbacks = me._options.callbacks; - - var beforeFooter = callbacks.beforeFooter.apply(me, arguments); - var footer = callbacks.footer.apply(me, arguments); - var afterFooter = callbacks.afterFooter.apply(me, arguments); - - var lines = []; - lines = pushOrConcat(lines, splitNewlines(beforeFooter)); - lines = pushOrConcat(lines, splitNewlines(footer)); - lines = pushOrConcat(lines, splitNewlines(afterFooter)); - - return lines; - }, - - update: function(changed) { - var me = this; - var opts = me._options; - - // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition - // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time - // which breaks any animations. - var existingModel = me._model; - var model = me._model = getBaseModel(opts); - var active = me._active; - - var data = me._data; - - // In the case where active.length === 0 we need to keep these at existing values for good animations - var alignment = { - xAlign: existingModel.xAlign, - yAlign: existingModel.yAlign - }; - var backgroundPoint = { - x: existingModel.x, - y: existingModel.y - }; - var tooltipSize = { - width: existingModel.width, - height: existingModel.height - }; - var tooltipPosition = { - x: existingModel.caretX, - y: existingModel.caretY - }; - - var i, len; - - if (active.length) { - model.opacity = 1; - - var labelColors = []; - var labelTextColors = []; - tooltipPosition = positioners[opts.position].call(me, active, me._eventPosition); - - var tooltipItems = []; - for (i = 0, len = active.length; i < len; ++i) { - tooltipItems.push(createTooltipItem(active[i])); - } - - // If the user provided a filter function, use it to modify the tooltip items - if (opts.filter) { - tooltipItems = tooltipItems.filter(function(a) { - return opts.filter(a, data); - }); - } - - // If the user provided a sorting function, use it to modify the tooltip items - if (opts.itemSort) { - tooltipItems = tooltipItems.sort(function(a, b) { - return opts.itemSort(a, b, data); - }); - } - - // Determine colors for boxes - helpers$1.each(tooltipItems, function(tooltipItem) { - labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart)); - labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart)); - }); - - - // Build the Text Lines - model.title = me.getTitle(tooltipItems, data); - model.beforeBody = me.getBeforeBody(tooltipItems, data); - model.body = me.getBody(tooltipItems, data); - model.afterBody = me.getAfterBody(tooltipItems, data); - model.footer = me.getFooter(tooltipItems, data); - - // Initial positioning and colors - model.x = tooltipPosition.x; - model.y = tooltipPosition.y; - model.caretPadding = opts.caretPadding; - model.labelColors = labelColors; - model.labelTextColors = labelTextColors; - - // data points - model.dataPoints = tooltipItems; - - // We need to determine alignment of the tooltip - tooltipSize = getTooltipSize(this, model); - alignment = determineAlignment(this, tooltipSize); - // Final Size and Position - backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment, me._chart); - } else { - model.opacity = 0; - } - - model.xAlign = alignment.xAlign; - model.yAlign = alignment.yAlign; - model.x = backgroundPoint.x; - model.y = backgroundPoint.y; - model.width = tooltipSize.width; - model.height = tooltipSize.height; - - // Point where the caret on the tooltip points to - model.caretX = tooltipPosition.x; - model.caretY = tooltipPosition.y; - - me._model = model; - - if (changed && opts.custom) { - opts.custom.call(me, model); - } - - return me; - }, - - drawCaret: function(tooltipPoint, size) { - var ctx = this._chart.ctx; - var vm = this._view; - var caretPosition = this.getCaretPosition(tooltipPoint, size, vm); - - ctx.lineTo(caretPosition.x1, caretPosition.y1); - ctx.lineTo(caretPosition.x2, caretPosition.y2); - ctx.lineTo(caretPosition.x3, caretPosition.y3); - }, - getCaretPosition: function(tooltipPoint, size, vm) { - var x1, x2, x3, y1, y2, y3; - var caretSize = vm.caretSize; - var cornerRadius = vm.cornerRadius; - var xAlign = vm.xAlign; - var yAlign = vm.yAlign; - var ptX = tooltipPoint.x; - var ptY = tooltipPoint.y; - var width = size.width; - var height = size.height; - - if (yAlign === 'center') { - y2 = ptY + (height / 2); - - if (xAlign === 'left') { - x1 = ptX; - x2 = x1 - caretSize; - x3 = x1; - - y1 = y2 + caretSize; - y3 = y2 - caretSize; - } else { - x1 = ptX + width; - x2 = x1 + caretSize; - x3 = x1; - - y1 = y2 - caretSize; - y3 = y2 + caretSize; - } - } else { - if (xAlign === 'left') { - x2 = ptX + cornerRadius + (caretSize); - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else if (xAlign === 'right') { - x2 = ptX + width - cornerRadius - caretSize; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } else { - x2 = vm.caretX; - x1 = x2 - caretSize; - x3 = x2 + caretSize; - } - if (yAlign === 'top') { - y1 = ptY; - y2 = y1 - caretSize; - y3 = y1; - } else { - y1 = ptY + height; - y2 = y1 + caretSize; - y3 = y1; - // invert drawing order - var tmp = x3; - x3 = x1; - x1 = tmp; - } - } - return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3}; - }, - - drawTitle: function(pt, vm, ctx) { - var title = vm.title; - - if (title.length) { - pt.x = getAlignedX(vm, vm._titleAlign); - - ctx.textAlign = vm._titleAlign; - ctx.textBaseline = 'top'; - - var titleFontSize = vm.titleFontSize; - var titleSpacing = vm.titleSpacing; - - ctx.fillStyle = vm.titleFontColor; - ctx.font = helpers$1.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily); - - var i, len; - for (i = 0, len = title.length; i < len; ++i) { - ctx.fillText(title[i], pt.x, pt.y); - pt.y += titleFontSize + titleSpacing; // Line Height and spacing - - if (i + 1 === title.length) { - pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing - } - } - } - }, - - drawBody: function(pt, vm, ctx) { - var bodyFontSize = vm.bodyFontSize; - var bodySpacing = vm.bodySpacing; - var bodyAlign = vm._bodyAlign; - var body = vm.body; - var drawColorBoxes = vm.displayColors; - var labelColors = vm.labelColors; - var xLinePadding = 0; - var colorX = drawColorBoxes ? getAlignedX(vm, 'left') : 0; - var textColor; - - ctx.textAlign = bodyAlign; - ctx.textBaseline = 'top'; - ctx.font = helpers$1.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); - - pt.x = getAlignedX(vm, bodyAlign); - - // Before Body - var fillLineOfText = function(line) { - ctx.fillText(line, pt.x + xLinePadding, pt.y); - pt.y += bodyFontSize + bodySpacing; - }; - - // Before body lines - ctx.fillStyle = vm.bodyFontColor; - helpers$1.each(vm.beforeBody, fillLineOfText); - - xLinePadding = drawColorBoxes && bodyAlign !== 'right' - ? bodyAlign === 'center' ? (bodyFontSize / 2 + 1) : (bodyFontSize + 2) - : 0; - - // Draw body lines now - helpers$1.each(body, function(bodyItem, i) { - textColor = vm.labelTextColors[i]; - ctx.fillStyle = textColor; - helpers$1.each(bodyItem.before, fillLineOfText); - - helpers$1.each(bodyItem.lines, function(line) { - // Draw Legend-like boxes if needed - if (drawColorBoxes) { - // Fill a white rect so that colours merge nicely if the opacity is < 1 - ctx.fillStyle = vm.legendColorBackground; - ctx.fillRect(colorX, pt.y, bodyFontSize, bodyFontSize); - - // Border - ctx.lineWidth = 1; - ctx.strokeStyle = labelColors[i].borderColor; - ctx.strokeRect(colorX, pt.y, bodyFontSize, bodyFontSize); - - // Inner square - ctx.fillStyle = labelColors[i].backgroundColor; - ctx.fillRect(colorX + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2); - ctx.fillStyle = textColor; - } - - fillLineOfText(line); - }); - - helpers$1.each(bodyItem.after, fillLineOfText); - }); - - // Reset back to 0 for after body - xLinePadding = 0; - - // After body lines - helpers$1.each(vm.afterBody, fillLineOfText); - pt.y -= bodySpacing; // Remove last body spacing - }, - - drawFooter: function(pt, vm, ctx) { - var footer = vm.footer; - - if (footer.length) { - pt.x = getAlignedX(vm, vm._footerAlign); - pt.y += vm.footerMarginTop; - - ctx.textAlign = vm._footerAlign; - ctx.textBaseline = 'top'; - - ctx.fillStyle = vm.footerFontColor; - ctx.font = helpers$1.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily); - - helpers$1.each(footer, function(line) { - ctx.fillText(line, pt.x, pt.y); - pt.y += vm.footerFontSize + vm.footerSpacing; - }); - } - }, - - drawBackground: function(pt, vm, ctx, tooltipSize) { - ctx.fillStyle = vm.backgroundColor; - ctx.strokeStyle = vm.borderColor; - ctx.lineWidth = vm.borderWidth; - var xAlign = vm.xAlign; - var yAlign = vm.yAlign; - var x = pt.x; - var y = pt.y; - var width = tooltipSize.width; - var height = tooltipSize.height; - var radius = vm.cornerRadius; - - ctx.beginPath(); - ctx.moveTo(x + radius, y); - if (yAlign === 'top') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + width - radius, y); - ctx.quadraticCurveTo(x + width, y, x + width, y + radius); - if (yAlign === 'center' && xAlign === 'right') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + width, y + height - radius); - ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); - if (yAlign === 'bottom') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x + radius, y + height); - ctx.quadraticCurveTo(x, y + height, x, y + height - radius); - if (yAlign === 'center' && xAlign === 'left') { - this.drawCaret(pt, tooltipSize); - } - ctx.lineTo(x, y + radius); - ctx.quadraticCurveTo(x, y, x + radius, y); - ctx.closePath(); - - ctx.fill(); - - if (vm.borderWidth > 0) { - ctx.stroke(); - } - }, - - draw: function() { - var ctx = this._chart.ctx; - var vm = this._view; - - if (vm.opacity === 0) { - return; - } - - var tooltipSize = { - width: vm.width, - height: vm.height - }; - var pt = { - x: vm.x, - y: vm.y - }; - - // IE11/Edge does not like very small opacities, so snap to 0 - var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity; - - // Truthy/falsey value for empty tooltip - var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length; - - if (this._options.enabled && hasTooltipContent) { - ctx.save(); - ctx.globalAlpha = opacity; - - // Draw Background - this.drawBackground(pt, vm, ctx, tooltipSize); - - // Draw Title, Body, and Footer - pt.y += vm.yPadding; - - // Titles - this.drawTitle(pt, vm, ctx); - - // Body - this.drawBody(pt, vm, ctx); - - // Footer - this.drawFooter(pt, vm, ctx); - - ctx.restore(); - } - }, - - /** - * Handle an event - * @private - * @param {IEvent} event - The event to handle - * @returns {boolean} true if the tooltip changed - */ - handleEvent: function(e) { - var me = this; - var options = me._options; - var changed = false; - - me._lastActive = me._lastActive || []; - - // Find Active Elements for tooltips - if (e.type === 'mouseout') { - me._active = []; - } else { - me._active = me._chart.getElementsAtEventForMode(e, options.mode, options); - } - - // Remember Last Actives - changed = !helpers$1.arrayEquals(me._active, me._lastActive); - - // Only handle target event on tooltip change - if (changed) { - me._lastActive = me._active; - - if (options.enabled || options.custom) { - me._eventPosition = { - x: e.x, - y: e.y - }; - - me.update(true); - me.pivot(); - } - } - - return changed; - } -}); - -/** - * @namespace Chart.Tooltip.positioners - */ -var positioners_1 = positioners; - -var core_tooltip = exports$3; -core_tooltip.positioners = positioners_1; - -var valueOrDefault$8 = helpers$1.valueOrDefault; - -core_defaults._set('global', { - elements: {}, - events: [ - 'mousemove', - 'mouseout', - 'click', - 'touchstart', - 'touchmove' - ], - hover: { - onHover: null, - mode: 'nearest', - intersect: true, - animationDuration: 400 - }, - onClick: null, - maintainAspectRatio: true, - responsive: true, - responsiveAnimationDuration: 0 -}); - -/** - * Recursively merge the given config objects representing the `scales` option - * by incorporating scale defaults in `xAxes` and `yAxes` array items, then - * returns a deep copy of the result, thus doesn't alter inputs. - */ -function mergeScaleConfig(/* config objects ... */) { - return helpers$1.merge({}, [].slice.call(arguments), { - merger: function(key, target, source, options) { - if (key === 'xAxes' || key === 'yAxes') { - var slen = source[key].length; - var i, type, scale; - - if (!target[key]) { - target[key] = []; - } - - for (i = 0; i < slen; ++i) { - scale = source[key][i]; - type = valueOrDefault$8(scale.type, key === 'xAxes' ? 'category' : 'linear'); - - if (i >= target[key].length) { - target[key].push({}); - } - - if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) { - // new/untyped scale or type changed: let's apply the new defaults - // then merge source scale to correctly overwrite the defaults. - helpers$1.merge(target[key][i], [core_scaleService.getScaleDefaults(type), scale]); - } else { - // scales type are the same - helpers$1.merge(target[key][i], scale); - } - } - } else { - helpers$1._merger(key, target, source, options); - } - } - }); -} - -/** - * Recursively merge the given config objects as the root options by handling - * default scale options for the `scales` and `scale` properties, then returns - * a deep copy of the result, thus doesn't alter inputs. - */ -function mergeConfig(/* config objects ... */) { - return helpers$1.merge({}, [].slice.call(arguments), { - merger: function(key, target, source, options) { - var tval = target[key] || {}; - var sval = source[key]; - - if (key === 'scales') { - // scale config merging is complex. Add our own function here for that - target[key] = mergeScaleConfig(tval, sval); - } else if (key === 'scale') { - // used in polar area & radar charts since there is only one scale - target[key] = helpers$1.merge(tval, [core_scaleService.getScaleDefaults(sval.type), sval]); - } else { - helpers$1._merger(key, target, source, options); - } - } - }); -} - -function initConfig(config) { - config = config || {}; - - // Do NOT use mergeConfig for the data object because this method merges arrays - // and so would change references to labels and datasets, preventing data updates. - var data = config.data = config.data || {}; - data.datasets = data.datasets || []; - data.labels = data.labels || []; - - config.options = mergeConfig( - core_defaults.global, - core_defaults[config.type], - config.options || {}); - - return config; -} - -function updateConfig(chart) { - var newOptions = chart.options; - - helpers$1.each(chart.scales, function(scale) { - core_layouts.removeBox(chart, scale); - }); - - newOptions = mergeConfig( - core_defaults.global, - core_defaults[chart.config.type], - newOptions); - - chart.options = chart.config.options = newOptions; - chart.ensureScalesHaveIDs(); - chart.buildOrUpdateScales(); - - // Tooltip - chart.tooltip._options = newOptions.tooltips; - chart.tooltip.initialize(); -} - -function positionIsHorizontal(position) { - return position === 'top' || position === 'bottom'; -} - -var Chart = function(item, config) { - this.construct(item, config); - return this; -}; - -helpers$1.extend(Chart.prototype, /** @lends Chart */ { - /** - * @private - */ - construct: function(item, config) { - var me = this; - - config = initConfig(config); - - var context = platform.acquireContext(item, config); - var canvas = context && context.canvas; - var height = canvas && canvas.height; - var width = canvas && canvas.width; - - me.id = helpers$1.uid(); - me.ctx = context; - me.canvas = canvas; - me.config = config; - me.width = width; - me.height = height; - me.aspectRatio = height ? width / height : null; - me.options = config.options; - me._bufferedRender = false; - - /** - * Provided for backward compatibility, Chart and Chart.Controller have been merged, - * the "instance" still need to be defined since it might be called from plugins. - * @prop Chart#chart - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ - me.chart = me; - me.controller = me; // chart.chart.controller #inception - - // Add the chart instance to the global namespace - Chart.instances[me.id] = me; - - // Define alias to the config data: `chart.data === chart.config.data` - Object.defineProperty(me, 'data', { - get: function() { - return me.config.data; - }, - set: function(value) { - me.config.data = value; - } - }); - - if (!context || !canvas) { - // The given item is not a compatible context2d element, let's return before finalizing - // the chart initialization but after setting basic chart / controller properties that - // can help to figure out that the chart is not valid (e.g chart.canvas !== null); - // https://github.com/chartjs/Chart.js/issues/2807 - console.error("Failed to create chart: can't acquire context from the given item"); - return; - } - - me.initialize(); - me.update(); - }, - - /** - * @private - */ - initialize: function() { - var me = this; - - // Before init plugin notification - core_plugins.notify(me, 'beforeInit'); - - helpers$1.retinaScale(me, me.options.devicePixelRatio); - - me.bindEvents(); - - if (me.options.responsive) { - // Initial resize before chart draws (must be silent to preserve initial animations). - me.resize(true); - } - - // Make sure scales have IDs and are built before we build any controllers. - me.ensureScalesHaveIDs(); - me.buildOrUpdateScales(); - me.initToolTip(); - - // After init plugin notification - core_plugins.notify(me, 'afterInit'); - - return me; - }, - - clear: function() { - helpers$1.canvas.clear(this); - return this; - }, - - stop: function() { - // Stops any current animation loop occurring - core_animations.cancelAnimation(this); - return this; - }, - - resize: function(silent) { - var me = this; - var options = me.options; - var canvas = me.canvas; - var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null; - - // the canvas render width and height will be casted to integers so make sure that - // the canvas display style uses the same integer values to avoid blurring effect. - - // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collapsed - var newWidth = Math.max(0, Math.floor(helpers$1.getMaximumWidth(canvas))); - var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers$1.getMaximumHeight(canvas))); - - if (me.width === newWidth && me.height === newHeight) { - return; - } - - canvas.width = me.width = newWidth; - canvas.height = me.height = newHeight; - canvas.style.width = newWidth + 'px'; - canvas.style.height = newHeight + 'px'; - - helpers$1.retinaScale(me, options.devicePixelRatio); - - if (!silent) { - // Notify any plugins about the resize - var newSize = {width: newWidth, height: newHeight}; - core_plugins.notify(me, 'resize', [newSize]); - - // Notify of resize - if (options.onResize) { - options.onResize(me, newSize); - } - - me.stop(); - me.update({ - duration: options.responsiveAnimationDuration - }); - } - }, - - ensureScalesHaveIDs: function() { - var options = this.options; - var scalesOptions = options.scales || {}; - var scaleOptions = options.scale; - - helpers$1.each(scalesOptions.xAxes, function(xAxisOptions, index) { - xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index); - }); - - helpers$1.each(scalesOptions.yAxes, function(yAxisOptions, index) { - yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index); - }); - - if (scaleOptions) { - scaleOptions.id = scaleOptions.id || 'scale'; - } - }, - - /** - * Builds a map of scale ID to scale object for future lookup. - */ - buildOrUpdateScales: function() { - var me = this; - var options = me.options; - var scales = me.scales || {}; - var items = []; - var updated = Object.keys(scales).reduce(function(obj, id) { - obj[id] = false; - return obj; - }, {}); - - if (options.scales) { - items = items.concat( - (options.scales.xAxes || []).map(function(xAxisOptions) { - return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'}; - }), - (options.scales.yAxes || []).map(function(yAxisOptions) { - return {options: yAxisOptions, dtype: 'linear', dposition: 'left'}; - }) - ); - } - - if (options.scale) { - items.push({ - options: options.scale, - dtype: 'radialLinear', - isDefault: true, - dposition: 'chartArea' - }); - } - - helpers$1.each(items, function(item) { - var scaleOptions = item.options; - var id = scaleOptions.id; - var scaleType = valueOrDefault$8(scaleOptions.type, item.dtype); - - if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) { - scaleOptions.position = item.dposition; - } - - updated[id] = true; - var scale = null; - if (id in scales && scales[id].type === scaleType) { - scale = scales[id]; - scale.options = scaleOptions; - scale.ctx = me.ctx; - scale.chart = me; - } else { - var scaleClass = core_scaleService.getScaleConstructor(scaleType); - if (!scaleClass) { - return; - } - scale = new scaleClass({ - id: id, - type: scaleType, - options: scaleOptions, - ctx: me.ctx, - chart: me - }); - scales[scale.id] = scale; - } - - scale.mergeTicksOptions(); - - // TODO(SB): I think we should be able to remove this custom case (options.scale) - // and consider it as a regular scale part of the "scales"" map only! This would - // make the logic easier and remove some useless? custom code. - if (item.isDefault) { - me.scale = scale; - } - }); - // clear up discarded scales - helpers$1.each(updated, function(hasUpdated, id) { - if (!hasUpdated) { - delete scales[id]; - } - }); - - me.scales = scales; - - core_scaleService.addScalesToLayout(this); - }, - - buildOrUpdateControllers: function() { - var me = this; - var newControllers = []; - - helpers$1.each(me.data.datasets, function(dataset, datasetIndex) { - var meta = me.getDatasetMeta(datasetIndex); - var type = dataset.type || me.config.type; - - if (meta.type && meta.type !== type) { - me.destroyDatasetMeta(datasetIndex); - meta = me.getDatasetMeta(datasetIndex); - } - meta.type = type; - - if (meta.controller) { - meta.controller.updateIndex(datasetIndex); - meta.controller.linkScales(); - } else { - var ControllerClass = controllers[meta.type]; - if (ControllerClass === undefined) { - throw new Error('"' + meta.type + '" is not a chart type.'); - } - - meta.controller = new ControllerClass(me, datasetIndex); - newControllers.push(meta.controller); - } - }, me); - - return newControllers; - }, - - /** - * Reset the elements of all datasets - * @private - */ - resetElements: function() { - var me = this; - helpers$1.each(me.data.datasets, function(dataset, datasetIndex) { - me.getDatasetMeta(datasetIndex).controller.reset(); - }, me); - }, - - /** - * Resets the chart back to it's state before the initial animation - */ - reset: function() { - this.resetElements(); - this.tooltip.initialize(); - }, - - update: function(config) { - var me = this; - - if (!config || typeof config !== 'object') { - // backwards compatibility - config = { - duration: config, - lazy: arguments[1] - }; - } - - updateConfig(me); - - // plugins options references might have change, let's invalidate the cache - // https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 - core_plugins._invalidate(me); - - if (core_plugins.notify(me, 'beforeUpdate') === false) { - return; - } - - // In case the entire data object changed - me.tooltip._data = me.data; - - // Make sure dataset controllers are updated and new controllers are reset - var newControllers = me.buildOrUpdateControllers(); - - // Make sure all dataset controllers have correct meta data counts - helpers$1.each(me.data.datasets, function(dataset, datasetIndex) { - me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements(); - }, me); - - me.updateLayout(); - - // Can only reset the new controllers after the scales have been updated - if (me.options.animation && me.options.animation.duration) { - helpers$1.each(newControllers, function(controller) { - controller.reset(); - }); - } - - me.updateDatasets(); - - // Need to reset tooltip in case it is displayed with elements that are removed - // after update. - me.tooltip.initialize(); - - // Last active contains items that were previously in the tooltip. - // When we reset the tooltip, we need to clear it - me.lastActive = []; - - // Do this before render so that any plugins that need final scale updates can use it - core_plugins.notify(me, 'afterUpdate'); - - if (me._bufferedRender) { - me._bufferedRequest = { - duration: config.duration, - easing: config.easing, - lazy: config.lazy - }; - } else { - me.render(config); - } - }, - - /** - * Updates the chart layout unless a plugin returns `false` to the `beforeLayout` - * hook, in which case, plugins will not be called on `afterLayout`. - * @private - */ - updateLayout: function() { - var me = this; - - if (core_plugins.notify(me, 'beforeLayout') === false) { - return; - } - - core_layouts.update(this, this.width, this.height); - - /** - * Provided for backward compatibility, use `afterLayout` instead. - * @method IPlugin#afterScaleUpdate - * @deprecated since version 2.5.0 - * @todo remove at version 3 - * @private - */ - core_plugins.notify(me, 'afterScaleUpdate'); - core_plugins.notify(me, 'afterLayout'); - }, - - /** - * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate` - * hook, in which case, plugins will not be called on `afterDatasetsUpdate`. - * @private - */ - updateDatasets: function() { - var me = this; - - if (core_plugins.notify(me, 'beforeDatasetsUpdate') === false) { - return; - } - - for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me.updateDataset(i); - } - - core_plugins.notify(me, 'afterDatasetsUpdate'); - }, - - /** - * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate` - * hook, in which case, plugins will not be called on `afterDatasetUpdate`. - * @private - */ - updateDataset: function(index) { - var me = this; - var meta = me.getDatasetMeta(index); - var args = { - meta: meta, - index: index - }; - - if (core_plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) { - return; - } - - meta.controller.update(); - - core_plugins.notify(me, 'afterDatasetUpdate', [args]); - }, - - render: function(config) { - var me = this; - - if (!config || typeof config !== 'object') { - // backwards compatibility - config = { - duration: config, - lazy: arguments[1] - }; - } - - var animationOptions = me.options.animation; - var duration = valueOrDefault$8(config.duration, animationOptions && animationOptions.duration); - var lazy = config.lazy; - - if (core_plugins.notify(me, 'beforeRender') === false) { - return; - } - - var onComplete = function(animation) { - core_plugins.notify(me, 'afterRender'); - helpers$1.callback(animationOptions && animationOptions.onComplete, [animation], me); - }; - - if (animationOptions && duration) { - var animation = new core_animation({ - numSteps: duration / 16.66, // 60 fps - easing: config.easing || animationOptions.easing, - - render: function(chart, animationObject) { - var easingFunction = helpers$1.easing.effects[animationObject.easing]; - var currentStep = animationObject.currentStep; - var stepDecimal = currentStep / animationObject.numSteps; - - chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep); - }, - - onAnimationProgress: animationOptions.onProgress, - onAnimationComplete: onComplete - }); - - core_animations.addAnimation(me, animation, duration, lazy); - } else { - me.draw(); - - // See https://github.com/chartjs/Chart.js/issues/3781 - onComplete(new core_animation({numSteps: 0, chart: me})); - } - - return me; - }, - - draw: function(easingValue) { - var me = this; - - me.clear(); - - if (helpers$1.isNullOrUndef(easingValue)) { - easingValue = 1; - } - - me.transition(easingValue); - - if (me.width <= 0 || me.height <= 0) { - return; - } - - if (core_plugins.notify(me, 'beforeDraw', [easingValue]) === false) { - return; - } - - // Draw all the scales - helpers$1.each(me.boxes, function(box) { - box.draw(me.chartArea); - }, me); - - me.drawDatasets(easingValue); - me._drawTooltip(easingValue); - - core_plugins.notify(me, 'afterDraw', [easingValue]); - }, - - /** - * @private - */ - transition: function(easingValue) { - var me = this; - - for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) { - if (me.isDatasetVisible(i)) { - me.getDatasetMeta(i).controller.transition(easingValue); - } - } - - me.tooltip.transition(easingValue); - }, - - /** - * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw` - * hook, in which case, plugins will not be called on `afterDatasetsDraw`. - * @private - */ - drawDatasets: function(easingValue) { - var me = this; - - if (core_plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) { - return; - } - - // Draw datasets reversed to support proper line stacking - for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) { - if (me.isDatasetVisible(i)) { - me.drawDataset(i, easingValue); - } - } - - core_plugins.notify(me, 'afterDatasetsDraw', [easingValue]); - }, - - /** - * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw` - * hook, in which case, plugins will not be called on `afterDatasetDraw`. - * @private - */ - drawDataset: function(index, easingValue) { - var me = this; - var meta = me.getDatasetMeta(index); - var args = { - meta: meta, - index: index, - easingValue: easingValue - }; - - if (core_plugins.notify(me, 'beforeDatasetDraw', [args]) === false) { - return; - } - - meta.controller.draw(easingValue); - - core_plugins.notify(me, 'afterDatasetDraw', [args]); - }, - - /** - * Draws tooltip unless a plugin returns `false` to the `beforeTooltipDraw` - * hook, in which case, plugins will not be called on `afterTooltipDraw`. - * @private - */ - _drawTooltip: function(easingValue) { - var me = this; - var tooltip = me.tooltip; - var args = { - tooltip: tooltip, - easingValue: easingValue - }; - - if (core_plugins.notify(me, 'beforeTooltipDraw', [args]) === false) { - return; - } - - tooltip.draw(); - - core_plugins.notify(me, 'afterTooltipDraw', [args]); - }, - - /** - * Get the single element that was clicked on - * @return An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw - */ - getElementAtEvent: function(e) { - return core_interaction.modes.single(this, e); - }, - - getElementsAtEvent: function(e) { - return core_interaction.modes.label(this, e, {intersect: true}); - }, - - getElementsAtXAxis: function(e) { - return core_interaction.modes['x-axis'](this, e, {intersect: true}); - }, - - getElementsAtEventForMode: function(e, mode, options) { - var method = core_interaction.modes[mode]; - if (typeof method === 'function') { - return method(this, e, options); - } - - return []; - }, - - getDatasetAtEvent: function(e) { - return core_interaction.modes.dataset(this, e, {intersect: true}); - }, - - getDatasetMeta: function(datasetIndex) { - var me = this; - var dataset = me.data.datasets[datasetIndex]; - if (!dataset._meta) { - dataset._meta = {}; - } - - var meta = dataset._meta[me.id]; - if (!meta) { - meta = dataset._meta[me.id] = { - type: null, - data: [], - dataset: null, - controller: null, - hidden: null, // See isDatasetVisible() comment - xAxisID: null, - yAxisID: null - }; - } - - return meta; - }, - - getVisibleDatasetCount: function() { - var count = 0; - for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { - if (this.isDatasetVisible(i)) { - count++; - } - } - return count; - }, - - isDatasetVisible: function(datasetIndex) { - var meta = this.getDatasetMeta(datasetIndex); - - // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false, - // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned. - return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden; - }, - - generateLegend: function() { - return this.options.legendCallback(this); - }, - - /** - * @private - */ - destroyDatasetMeta: function(datasetIndex) { - var id = this.id; - var dataset = this.data.datasets[datasetIndex]; - var meta = dataset._meta && dataset._meta[id]; - - if (meta) { - meta.controller.destroy(); - delete dataset._meta[id]; - } - }, - - destroy: function() { - var me = this; - var canvas = me.canvas; - var i, ilen; - - me.stop(); - - // dataset controllers need to cleanup associated data - for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { - me.destroyDatasetMeta(i); - } - - if (canvas) { - me.unbindEvents(); - helpers$1.canvas.clear(me); - platform.releaseContext(me.ctx); - me.canvas = null; - me.ctx = null; - } - - core_plugins.notify(me, 'destroy'); - - delete Chart.instances[me.id]; - }, - - toBase64Image: function() { - return this.canvas.toDataURL.apply(this.canvas, arguments); - }, - - initToolTip: function() { - var me = this; - me.tooltip = new core_tooltip({ - _chart: me, - _chartInstance: me, // deprecated, backward compatibility - _data: me.data, - _options: me.options.tooltips - }, me); - }, - - /** - * @private - */ - bindEvents: function() { - var me = this; - var listeners = me._listeners = {}; - var listener = function() { - me.eventHandler.apply(me, arguments); - }; - - helpers$1.each(me.options.events, function(type) { - platform.addEventListener(me, type, listener); - listeners[type] = listener; - }); - - // Elements used to detect size change should not be injected for non responsive charts. - // See https://github.com/chartjs/Chart.js/issues/2210 - if (me.options.responsive) { - listener = function() { - me.resize(); - }; - - platform.addEventListener(me, 'resize', listener); - listeners.resize = listener; - } - }, - - /** - * @private - */ - unbindEvents: function() { - var me = this; - var listeners = me._listeners; - if (!listeners) { - return; - } - - delete me._listeners; - helpers$1.each(listeners, function(listener, type) { - platform.removeEventListener(me, type, listener); - }); - }, - - updateHoverStyle: function(elements, mode, enabled) { - var method = enabled ? 'setHoverStyle' : 'removeHoverStyle'; - var element, i, ilen; - - for (i = 0, ilen = elements.length; i < ilen; ++i) { - element = elements[i]; - if (element) { - this.getDatasetMeta(element._datasetIndex).controller[method](element); - } - } - }, - - /** - * @private - */ - eventHandler: function(e) { - var me = this; - var tooltip = me.tooltip; - - if (core_plugins.notify(me, 'beforeEvent', [e]) === false) { - return; - } - - // Buffer any update calls so that renders do not occur - me._bufferedRender = true; - me._bufferedRequest = null; - - var changed = me.handleEvent(e); - // for smooth tooltip animations issue #4989 - // the tooltip should be the source of change - // Animation check workaround: - // tooltip._start will be null when tooltip isn't animating - if (tooltip) { - changed = tooltip._start - ? tooltip.handleEvent(e) - : changed | tooltip.handleEvent(e); - } - - core_plugins.notify(me, 'afterEvent', [e]); - - var bufferedRequest = me._bufferedRequest; - if (bufferedRequest) { - // If we have an update that was triggered, we need to do a normal render - me.render(bufferedRequest); - } else if (changed && !me.animating) { - // If entering, leaving, or changing elements, animate the change via pivot - me.stop(); - - // We only need to render at this point. Updating will cause scales to be - // recomputed generating flicker & using more memory than necessary. - me.render({ - duration: me.options.hover.animationDuration, - lazy: true - }); - } - - me._bufferedRender = false; - me._bufferedRequest = null; - - return me; - }, - - /** - * Handle an event - * @private - * @param {IEvent} event the event to handle - * @return {boolean} true if the chart needs to re-render - */ - handleEvent: function(e) { - var me = this; - var options = me.options || {}; - var hoverOptions = options.hover; - var changed = false; - - me.lastActive = me.lastActive || []; - - // Find Active Elements for hover and tooltips - if (e.type === 'mouseout') { - me.active = []; - } else { - me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions); - } - - // Invoke onHover hook - // Need to call with native event here to not break backwards compatibility - helpers$1.callback(options.onHover || options.hover.onHover, [e.native, me.active], me); - - if (e.type === 'mouseup' || e.type === 'click') { - if (options.onClick) { - // Use e.native here for backwards compatibility - options.onClick.call(me, e.native, me.active); - } - } - - // Remove styling for last active (even if it may still be active) - if (me.lastActive.length) { - me.updateHoverStyle(me.lastActive, hoverOptions.mode, false); - } - - // Built in hover styling - if (me.active.length && hoverOptions.mode) { - me.updateHoverStyle(me.active, hoverOptions.mode, true); - } - - changed = !helpers$1.arrayEquals(me.active, me.lastActive); - - // Remember Last Actives - me.lastActive = me.active; - - return changed; - } -}); - -/** - * NOTE(SB) We actually don't use this container anymore but we need to keep it - * for backward compatibility. Though, it can still be useful for plugins that - * would need to work on multiple charts?! - */ -Chart.instances = {}; - -var core_controller = Chart; - -// DEPRECATIONS - -/** - * Provided for backward compatibility, use Chart instead. - * @class Chart.Controller - * @deprecated since version 2.6 - * @todo remove at version 3 - * @private - */ -Chart.Controller = Chart; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart - * @deprecated since version 2.8 - * @todo remove at version 3 - * @private - */ -Chart.types = {}; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.helpers.configMerge - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ -helpers$1.configMerge = mergeConfig; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.helpers.scaleMerge - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ -helpers$1.scaleMerge = mergeScaleConfig; - -var core_helpers = function() { - - // -- Basic js utility methods - - helpers$1.where = function(collection, filterCallback) { - if (helpers$1.isArray(collection) && Array.prototype.filter) { - return collection.filter(filterCallback); - } - var filtered = []; - - helpers$1.each(collection, function(item) { - if (filterCallback(item)) { - filtered.push(item); - } - }); - - return filtered; - }; - helpers$1.findIndex = Array.prototype.findIndex ? - function(array, callback, scope) { - return array.findIndex(callback, scope); - } : - function(array, callback, scope) { - scope = scope === undefined ? array : scope; - for (var i = 0, ilen = array.length; i < ilen; ++i) { - if (callback.call(scope, array[i], i, array)) { - return i; - } - } - return -1; - }; - helpers$1.findNextWhere = function(arrayToSearch, filterCallback, startIndex) { - // Default to start of the array - if (helpers$1.isNullOrUndef(startIndex)) { - startIndex = -1; - } - for (var i = startIndex + 1; i < arrayToSearch.length; i++) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)) { - return currentItem; - } - } - }; - helpers$1.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) { - // Default to end of the array - if (helpers$1.isNullOrUndef(startIndex)) { - startIndex = arrayToSearch.length; - } - for (var i = startIndex - 1; i >= 0; i--) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)) { - return currentItem; - } - } - }; - - // -- Math methods - helpers$1.isNumber = function(n) { - return !isNaN(parseFloat(n)) && isFinite(n); - }; - helpers$1.almostEquals = function(x, y, epsilon) { - return Math.abs(x - y) < epsilon; - }; - helpers$1.almostWhole = function(x, epsilon) { - var rounded = Math.round(x); - return (((rounded - epsilon) < x) && ((rounded + epsilon) > x)); - }; - helpers$1.max = function(array) { - return array.reduce(function(max, value) { - if (!isNaN(value)) { - return Math.max(max, value); - } - return max; - }, Number.NEGATIVE_INFINITY); - }; - helpers$1.min = function(array) { - return array.reduce(function(min, value) { - if (!isNaN(value)) { - return Math.min(min, value); - } - return min; - }, Number.POSITIVE_INFINITY); - }; - helpers$1.sign = Math.sign ? - function(x) { - return Math.sign(x); - } : - function(x) { - x = +x; // convert to a number - if (x === 0 || isNaN(x)) { - return x; - } - return x > 0 ? 1 : -1; - }; - helpers$1.log10 = Math.log10 ? - function(x) { - return Math.log10(x); - } : - function(x) { - var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10. - // Check for whole powers of 10, - // which due to floating point rounding error should be corrected. - var powerOf10 = Math.round(exponent); - var isPowerOf10 = x === Math.pow(10, powerOf10); - - return isPowerOf10 ? powerOf10 : exponent; - }; - helpers$1.toRadians = function(degrees) { - return degrees * (Math.PI / 180); - }; - helpers$1.toDegrees = function(radians) { - return radians * (180 / Math.PI); - }; - - /** - * Returns the number of decimal places - * i.e. the number of digits after the decimal point, of the value of this Number. - * @param {number} x - A number. - * @returns {number} The number of decimal places. - * @private - */ - helpers$1._decimalPlaces = function(x) { - if (!helpers$1.isFinite(x)) { - return; - } - var e = 1; - var p = 0; - while (Math.round(x * e) / e !== x) { - e *= 10; - p++; - } - return p; - }; - - // Gets the angle from vertical upright to the point about a centre. - helpers$1.getAngleFromPoint = function(centrePoint, anglePoint) { - var distanceFromXCenter = anglePoint.x - centrePoint.x; - var distanceFromYCenter = anglePoint.y - centrePoint.y; - var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); - - var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); - - if (angle < (-0.5 * Math.PI)) { - angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2] - } - - return { - angle: angle, - distance: radialDistanceFromCenter - }; - }; - helpers$1.distanceBetweenPoints = function(pt1, pt2) { - return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); - }; - - /** - * Provided for backward compatibility, not available anymore - * @function Chart.helpers.aliasPixel - * @deprecated since version 2.8.0 - * @todo remove at version 3 - */ - helpers$1.aliasPixel = function(pixelWidth) { - return (pixelWidth % 2 === 0) ? 0 : 0.5; - }; - - /** - * Returns the aligned pixel value to avoid anti-aliasing blur - * @param {Chart} chart - The chart instance. - * @param {number} pixel - A pixel value. - * @param {number} width - The width of the element. - * @returns {number} The aligned pixel value. - * @private - */ - helpers$1._alignPixel = function(chart, pixel, width) { - var devicePixelRatio = chart.currentDevicePixelRatio; - var halfWidth = width / 2; - return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth; - }; - - helpers$1.splineCurve = function(firstPoint, middlePoint, afterPoint, t) { - // Props to Rob Spencer at scaled innovation for his post on splining between points - // http://scaledinnovation.com/analytics/splines/aboutSplines.html - - // This function must also respect "skipped" points - - var previous = firstPoint.skip ? middlePoint : firstPoint; - var current = middlePoint; - var next = afterPoint.skip ? middlePoint : afterPoint; - - var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2)); - var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2)); - - var s01 = d01 / (d01 + d12); - var s12 = d12 / (d01 + d12); - - // If all points are the same, s01 & s02 will be inf - s01 = isNaN(s01) ? 0 : s01; - s12 = isNaN(s12) ? 0 : s12; - - var fa = t * s01; // scaling factor for triangle Ta - var fb = t * s12; - - return { - previous: { - x: current.x - fa * (next.x - previous.x), - y: current.y - fa * (next.y - previous.y) - }, - next: { - x: current.x + fb * (next.x - previous.x), - y: current.y + fb * (next.y - previous.y) - } - }; - }; - helpers$1.EPSILON = Number.EPSILON || 1e-14; - helpers$1.splineCurveMonotone = function(points) { - // This function calculates Bézier control points in a similar way than |splineCurve|, - // but preserves monotonicity of the provided data and ensures no local extremums are added - // between the dataset discrete points due to the interpolation. - // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation - - var pointsWithTangents = (points || []).map(function(point) { - return { - model: point._model, - deltaK: 0, - mK: 0 - }; - }); - - // Calculate slopes (deltaK) and initialize tangents (mK) - var pointsLen = pointsWithTangents.length; - var i, pointBefore, pointCurrent, pointAfter; - for (i = 0; i < pointsLen; ++i) { - pointCurrent = pointsWithTangents[i]; - if (pointCurrent.model.skip) { - continue; - } - - pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; - pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; - if (pointAfter && !pointAfter.model.skip) { - var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x); - - // In the case of two points that appear at the same x pixel, slopeDeltaX is 0 - pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0; - } - - if (!pointBefore || pointBefore.model.skip) { - pointCurrent.mK = pointCurrent.deltaK; - } else if (!pointAfter || pointAfter.model.skip) { - pointCurrent.mK = pointBefore.deltaK; - } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) { - pointCurrent.mK = 0; - } else { - pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2; - } - } - - // Adjust tangents to ensure monotonic properties - var alphaK, betaK, tauK, squaredMagnitude; - for (i = 0; i < pointsLen - 1; ++i) { - pointCurrent = pointsWithTangents[i]; - pointAfter = pointsWithTangents[i + 1]; - if (pointCurrent.model.skip || pointAfter.model.skip) { - continue; - } - - if (helpers$1.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) { - pointCurrent.mK = pointAfter.mK = 0; - continue; - } - - alphaK = pointCurrent.mK / pointCurrent.deltaK; - betaK = pointAfter.mK / pointCurrent.deltaK; - squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); - if (squaredMagnitude <= 9) { - continue; - } - - tauK = 3 / Math.sqrt(squaredMagnitude); - pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK; - pointAfter.mK = betaK * tauK * pointCurrent.deltaK; - } - - // Compute control points - var deltaX; - for (i = 0; i < pointsLen; ++i) { - pointCurrent = pointsWithTangents[i]; - if (pointCurrent.model.skip) { - continue; - } - - pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; - pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; - if (pointBefore && !pointBefore.model.skip) { - deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3; - pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX; - pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK; - } - if (pointAfter && !pointAfter.model.skip) { - deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3; - pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX; - pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK; - } - } - }; - helpers$1.nextItem = function(collection, index, loop) { - if (loop) { - return index >= collection.length - 1 ? collection[0] : collection[index + 1]; - } - return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1]; - }; - helpers$1.previousItem = function(collection, index, loop) { - if (loop) { - return index <= 0 ? collection[collection.length - 1] : collection[index - 1]; - } - return index <= 0 ? collection[0] : collection[index - 1]; - }; - // Implementation of the nice number algorithm used in determining where axis labels will go - helpers$1.niceNum = function(range, round) { - var exponent = Math.floor(helpers$1.log10(range)); - var fraction = range / Math.pow(10, exponent); - var niceFraction; - - if (round) { - if (fraction < 1.5) { - niceFraction = 1; - } else if (fraction < 3) { - niceFraction = 2; - } else if (fraction < 7) { - niceFraction = 5; - } else { - niceFraction = 10; - } - } else if (fraction <= 1.0) { - niceFraction = 1; - } else if (fraction <= 2) { - niceFraction = 2; - } else if (fraction <= 5) { - niceFraction = 5; - } else { - niceFraction = 10; - } - - return niceFraction * Math.pow(10, exponent); - }; - // Request animation polyfill - https://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ - helpers$1.requestAnimFrame = (function() { - if (typeof window === 'undefined') { - return function(callback) { - callback(); - }; - } - return window.requestAnimationFrame || - window.webkitRequestAnimationFrame || - window.mozRequestAnimationFrame || - window.oRequestAnimationFrame || - window.msRequestAnimationFrame || - function(callback) { - return window.setTimeout(callback, 1000 / 60); - }; - }()); - // -- DOM methods - helpers$1.getRelativePosition = function(evt, chart) { - var mouseX, mouseY; - var e = evt.originalEvent || evt; - var canvas = evt.target || evt.srcElement; - var boundingRect = canvas.getBoundingClientRect(); - - var touches = e.touches; - if (touches && touches.length > 0) { - mouseX = touches[0].clientX; - mouseY = touches[0].clientY; - - } else { - mouseX = e.clientX; - mouseY = e.clientY; - } - - // Scale mouse coordinates into canvas coordinates - // by following the pattern laid out by 'jerryj' in the comments of - // https://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/ - var paddingLeft = parseFloat(helpers$1.getStyle(canvas, 'padding-left')); - var paddingTop = parseFloat(helpers$1.getStyle(canvas, 'padding-top')); - var paddingRight = parseFloat(helpers$1.getStyle(canvas, 'padding-right')); - var paddingBottom = parseFloat(helpers$1.getStyle(canvas, 'padding-bottom')); - var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight; - var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom; - - // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However - // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here - mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio); - mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio); - - return { - x: mouseX, - y: mouseY - }; - - }; - - // Private helper function to convert max-width/max-height values that may be percentages into a number - function parseMaxStyle(styleValue, node, parentProperty) { - var valueInPixels; - if (typeof styleValue === 'string') { - valueInPixels = parseInt(styleValue, 10); - - if (styleValue.indexOf('%') !== -1) { - // percentage * size in dimension - valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; - } - } else { - valueInPixels = styleValue; - } - - return valueInPixels; - } - - /** - * Returns if the given value contains an effective constraint. - * @private - */ - function isConstrainedValue(value) { - return value !== undefined && value !== null && value !== 'none'; - } - - /** - * Returns the max width or height of the given DOM node in a cross-browser compatible fashion - * @param {HTMLElement} domNode - the node to check the constraint on - * @param {string} maxStyle - the style that defines the maximum for the direction we are using ('max-width' / 'max-height') - * @param {string} percentageProperty - property of parent to use when calculating width as a percentage - * @see {@link https://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser} - */ - function getConstraintDimension(domNode, maxStyle, percentageProperty) { - var view = document.defaultView; - var parentNode = helpers$1._getParentNode(domNode); - var constrainedNode = view.getComputedStyle(domNode)[maxStyle]; - var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle]; - var hasCNode = isConstrainedValue(constrainedNode); - var hasCContainer = isConstrainedValue(constrainedContainer); - var infinity = Number.POSITIVE_INFINITY; - - if (hasCNode || hasCContainer) { - return Math.min( - hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity, - hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity); - } - - return 'none'; - } - // returns Number or undefined if no constraint - helpers$1.getConstraintWidth = function(domNode) { - return getConstraintDimension(domNode, 'max-width', 'clientWidth'); - }; - // returns Number or undefined if no constraint - helpers$1.getConstraintHeight = function(domNode) { - return getConstraintDimension(domNode, 'max-height', 'clientHeight'); - }; - /** - * @private - */ - helpers$1._calculatePadding = function(container, padding, parentDimension) { - padding = helpers$1.getStyle(container, padding); - - return padding.indexOf('%') > -1 ? parentDimension * parseInt(padding, 10) / 100 : parseInt(padding, 10); - }; - /** - * @private - */ - helpers$1._getParentNode = function(domNode) { - var parent = domNode.parentNode; - if (parent && parent.toString() === '[object ShadowRoot]') { - parent = parent.host; - } - return parent; - }; - helpers$1.getMaximumWidth = function(domNode) { - var container = helpers$1._getParentNode(domNode); - if (!container) { - return domNode.clientWidth; - } - - var clientWidth = container.clientWidth; - var paddingLeft = helpers$1._calculatePadding(container, 'padding-left', clientWidth); - var paddingRight = helpers$1._calculatePadding(container, 'padding-right', clientWidth); - - var w = clientWidth - paddingLeft - paddingRight; - var cw = helpers$1.getConstraintWidth(domNode); - return isNaN(cw) ? w : Math.min(w, cw); - }; - helpers$1.getMaximumHeight = function(domNode) { - var container = helpers$1._getParentNode(domNode); - if (!container) { - return domNode.clientHeight; - } - - var clientHeight = container.clientHeight; - var paddingTop = helpers$1._calculatePadding(container, 'padding-top', clientHeight); - var paddingBottom = helpers$1._calculatePadding(container, 'padding-bottom', clientHeight); - - var h = clientHeight - paddingTop - paddingBottom; - var ch = helpers$1.getConstraintHeight(domNode); - return isNaN(ch) ? h : Math.min(h, ch); - }; - helpers$1.getStyle = function(el, property) { - return el.currentStyle ? - el.currentStyle[property] : - document.defaultView.getComputedStyle(el, null).getPropertyValue(property); - }; - helpers$1.retinaScale = function(chart, forceRatio) { - var pixelRatio = chart.currentDevicePixelRatio = forceRatio || (typeof window !== 'undefined' && window.devicePixelRatio) || 1; - if (pixelRatio === 1) { - return; - } - - var canvas = chart.canvas; - var height = chart.height; - var width = chart.width; - - canvas.height = height * pixelRatio; - canvas.width = width * pixelRatio; - chart.ctx.scale(pixelRatio, pixelRatio); - - // If no style has been set on the canvas, the render size is used as display size, - // making the chart visually bigger, so let's enforce it to the "correct" values. - // See https://github.com/chartjs/Chart.js/issues/3575 - if (!canvas.style.height && !canvas.style.width) { - canvas.style.height = height + 'px'; - canvas.style.width = width + 'px'; - } - }; - // -- Canvas methods - helpers$1.fontString = function(pixelSize, fontStyle, fontFamily) { - return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; - }; - helpers$1.longestText = function(ctx, font, arrayOfThings, cache) { - cache = cache || {}; - var data = cache.data = cache.data || {}; - var gc = cache.garbageCollect = cache.garbageCollect || []; - - if (cache.font !== font) { - data = cache.data = {}; - gc = cache.garbageCollect = []; - cache.font = font; - } - - ctx.font = font; - var longest = 0; - helpers$1.each(arrayOfThings, function(thing) { - // Undefined strings and arrays should not be measured - if (thing !== undefined && thing !== null && helpers$1.isArray(thing) !== true) { - longest = helpers$1.measureText(ctx, data, gc, longest, thing); - } else if (helpers$1.isArray(thing)) { - // if it is an array lets measure each element - // to do maybe simplify this function a bit so we can do this more recursively? - helpers$1.each(thing, function(nestedThing) { - // Undefined strings and arrays should not be measured - if (nestedThing !== undefined && nestedThing !== null && !helpers$1.isArray(nestedThing)) { - longest = helpers$1.measureText(ctx, data, gc, longest, nestedThing); - } - }); - } - }); - - var gcLen = gc.length / 2; - if (gcLen > arrayOfThings.length) { - for (var i = 0; i < gcLen; i++) { - delete data[gc[i]]; - } - gc.splice(0, gcLen); - } - return longest; - }; - helpers$1.measureText = function(ctx, data, gc, longest, string) { - var textWidth = data[string]; - if (!textWidth) { - textWidth = data[string] = ctx.measureText(string).width; - gc.push(string); - } - if (textWidth > longest) { - longest = textWidth; - } - return longest; - }; - helpers$1.numberOfLabelLines = function(arrayOfThings) { - var numberOfLines = 1; - helpers$1.each(arrayOfThings, function(thing) { - if (helpers$1.isArray(thing)) { - if (thing.length > numberOfLines) { - numberOfLines = thing.length; - } - } - }); - return numberOfLines; - }; - - helpers$1.color = !chartjsColor ? - function(value) { - console.error('Color.js not found!'); - return value; - } : - function(value) { - /* global CanvasGradient */ - if (value instanceof CanvasGradient) { - value = core_defaults.global.defaultColor; - } - - return chartjsColor(value); - }; - - helpers$1.getHoverColor = function(colorValue) { - /* global CanvasPattern */ - return (colorValue instanceof CanvasPattern || colorValue instanceof CanvasGradient) ? - colorValue : - helpers$1.color(colorValue).saturate(0.5).darken(0.1).rgbString(); - }; -}; - -function abstract() { - throw new Error( - 'This method is not implemented: either no adapter can ' + - 'be found or an incomplete integration was provided.' - ); -} - -/** - * Date adapter (current used by the time scale) - * @namespace Chart._adapters._date - * @memberof Chart._adapters - * @private - */ - -/** - * Currently supported unit string values. - * @typedef {('millisecond'|'second'|'minute'|'hour'|'day'|'week'|'month'|'quarter'|'year')} - * @memberof Chart._adapters._date - * @name Unit - */ - -/** - * @class - */ -function DateAdapter(options) { - this.options = options || {}; -} - -helpers$1.extend(DateAdapter.prototype, /** @lends DateAdapter */ { - /** - * Returns a map of time formats for the supported formatting units defined - * in Unit as well as 'datetime' representing a detailed date/time string. - * @returns {{string: string}} - */ - formats: abstract, - - /** - * Parses the given `value` and return the associated timestamp. - * @param {any} value - the value to parse (usually comes from the data) - * @param {string} [format] - the expected data format - * @returns {(number|null)} - * @function - */ - parse: abstract, - - /** - * Returns the formatted date in the specified `format` for a given `timestamp`. - * @param {number} timestamp - the timestamp to format - * @param {string} format - the date/time token - * @return {string} - * @function - */ - format: abstract, - - /** - * Adds the specified `amount` of `unit` to the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {number} amount - the amount to add - * @param {Unit} unit - the unit as string - * @return {number} - * @function - */ - add: abstract, - - /** - * Returns the number of `unit` between the given timestamps. - * @param {number} max - the input timestamp (reference) - * @param {number} min - the timestamp to substract - * @param {Unit} unit - the unit as string - * @return {number} - * @function - */ - diff: abstract, - - /** - * Returns start of `unit` for the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {Unit} unit - the unit as string - * @param {number} [weekday] - the ISO day of the week with 1 being Monday - * and 7 being Sunday (only needed if param *unit* is `isoWeek`). - * @function - */ - startOf: abstract, - - /** - * Returns end of `unit` for the given `timestamp`. - * @param {number} timestamp - the input timestamp - * @param {Unit} unit - the unit as string - * @function - */ - endOf: abstract, - - // DEPRECATIONS - - /** - * Provided for backward compatibility for scale.getValueForPixel(), - * this method should be overridden only by the moment adapter. - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - _create: function(value) { - return value; - } -}); - -DateAdapter.override = function(members) { - helpers$1.extend(DateAdapter.prototype, members); -}; - -var _date = DateAdapter; - -var core_adapters = { - _date: _date -}; - -/** - * Namespace to hold static tick generation functions - * @namespace Chart.Ticks - */ -var core_ticks = { - /** - * Namespace to hold formatters for different types of ticks - * @namespace Chart.Ticks.formatters - */ - formatters: { - /** - * Formatter for value labels - * @method Chart.Ticks.formatters.values - * @param value the value to display - * @return {string|string[]} the label to display - */ - values: function(value) { - return helpers$1.isArray(value) ? value : '' + value; - }, - - /** - * Formatter for linear numeric ticks - * @method Chart.Ticks.formatters.linear - * @param tickValue {number} the value to be formatted - * @param index {number} the position of the tickValue parameter in the ticks array - * @param ticks {number[]} the list of ticks being converted - * @return {string} string representation of the tickValue parameter - */ - linear: function(tickValue, index, ticks) { - // If we have lots of ticks, don't use the ones - var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0]; - - // If we have a number like 2.5 as the delta, figure out how many decimal places we need - if (Math.abs(delta) > 1) { - if (tickValue !== Math.floor(tickValue)) { - // not an integer - delta = tickValue - Math.floor(tickValue); - } - } - - var logDelta = helpers$1.log10(Math.abs(delta)); - var tickString = ''; - - if (tickValue !== 0) { - var maxTick = Math.max(Math.abs(ticks[0]), Math.abs(ticks[ticks.length - 1])); - if (maxTick < 1e-4) { // all ticks are small numbers; use scientific notation - var logTick = helpers$1.log10(Math.abs(tickValue)); - tickString = tickValue.toExponential(Math.floor(logTick) - Math.floor(logDelta)); - } else { - var numDecimal = -1 * Math.floor(logDelta); - numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places - tickString = tickValue.toFixed(numDecimal); - } - } else { - tickString = '0'; // never show decimal places for 0 - } - - return tickString; - }, - - logarithmic: function(tickValue, index, ticks) { - var remain = tickValue / (Math.pow(10, Math.floor(helpers$1.log10(tickValue)))); - - if (tickValue === 0) { - return '0'; - } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) { - return tickValue.toExponential(); - } - return ''; - } - } -}; - -var valueOrDefault$9 = helpers$1.valueOrDefault; -var valueAtIndexOrDefault = helpers$1.valueAtIndexOrDefault; - -core_defaults._set('scale', { - display: true, - position: 'left', - offset: false, - - // grid line settings - gridLines: { - display: true, - color: 'rgba(0, 0, 0, 0.1)', - lineWidth: 1, - drawBorder: true, - drawOnChartArea: true, - drawTicks: true, - tickMarkLength: 10, - zeroLineWidth: 1, - zeroLineColor: 'rgba(0,0,0,0.25)', - zeroLineBorderDash: [], - zeroLineBorderDashOffset: 0.0, - offsetGridLines: false, - borderDash: [], - borderDashOffset: 0.0 - }, - - // scale label - scaleLabel: { - // display property - display: false, - - // actual label - labelString: '', - - // top/bottom padding - padding: { - top: 4, - bottom: 4 - } - }, - - // label settings - ticks: { - beginAtZero: false, - minRotation: 0, - maxRotation: 50, - mirror: false, - padding: 0, - reverse: false, - display: true, - autoSkip: true, - autoSkipPadding: 0, - labelOffset: 0, - // We pass through arrays to be rendered as multiline labels, we convert Others to strings here. - callback: core_ticks.formatters.values, - minor: {}, - major: {} - } -}); - -function labelsFromTicks(ticks) { - var labels = []; - var i, ilen; - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - labels.push(ticks[i].label); - } - - return labels; -} - -function getPixelForGridLine(scale, index, offsetGridLines) { - var lineValue = scale.getPixelForTick(index); - - if (offsetGridLines) { - if (scale.getTicks().length === 1) { - lineValue -= scale.isHorizontal() ? - Math.max(lineValue - scale.left, scale.right - lineValue) : - Math.max(lineValue - scale.top, scale.bottom - lineValue); - } else if (index === 0) { - lineValue -= (scale.getPixelForTick(1) - lineValue) / 2; - } else { - lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2; - } - } - return lineValue; -} - -function computeTextSize(context, tick, font) { - return helpers$1.isArray(tick) ? - helpers$1.longestText(context, font, tick) : - context.measureText(tick).width; -} - -var core_scale = core_element.extend({ - /** - * Get the padding needed for the scale - * @method getPadding - * @private - * @returns {Padding} the necessary padding - */ - getPadding: function() { - var me = this; - return { - left: me.paddingLeft || 0, - top: me.paddingTop || 0, - right: me.paddingRight || 0, - bottom: me.paddingBottom || 0 - }; - }, - - /** - * Returns the scale tick objects ({label, major}) - * @since 2.7 - */ - getTicks: function() { - return this._ticks; - }, - - // These methods are ordered by lifecyle. Utilities then follow. - // Any function defined here is inherited by all scale types. - // Any function can be extended by the scale type - - mergeTicksOptions: function() { - var ticks = this.options.ticks; - if (ticks.minor === false) { - ticks.minor = { - display: false - }; - } - if (ticks.major === false) { - ticks.major = { - display: false - }; - } - for (var key in ticks) { - if (key !== 'major' && key !== 'minor') { - if (typeof ticks.minor[key] === 'undefined') { - ticks.minor[key] = ticks[key]; - } - if (typeof ticks.major[key] === 'undefined') { - ticks.major[key] = ticks[key]; - } - } - } - }, - beforeUpdate: function() { - helpers$1.callback(this.options.beforeUpdate, [this]); - }, - - update: function(maxWidth, maxHeight, margins) { - var me = this; - var i, ilen, labels, label, ticks, tick; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = helpers$1.extend({ - left: 0, - right: 0, - top: 0, - bottom: 0 - }, margins); - - me._maxLabelLines = 0; - me.longestLabelWidth = 0; - me.longestTextCache = me.longestTextCache || {}; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - - // Data min/max - me.beforeDataLimits(); - me.determineDataLimits(); - me.afterDataLimits(); - - // Ticks - `this.ticks` is now DEPRECATED! - // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member - // and must not be accessed directly from outside this class. `this.ticks` being - // around for long time and not marked as private, we can't change its structure - // without unexpected breaking changes. If you need to access the scale ticks, - // use scale.getTicks() instead. - - me.beforeBuildTicks(); - - // New implementations should return an array of objects but for BACKWARD COMPAT, - // we still support no return (`this.ticks` internally set by calling this method). - ticks = me.buildTicks() || []; - - // Allow modification of ticks in callback. - ticks = me.afterBuildTicks(ticks) || ticks; - - me.beforeTickToLabelConversion(); - - // New implementations should return the formatted tick labels but for BACKWARD - // COMPAT, we still support no return (`this.ticks` internally changed by calling - // this method and supposed to contain only string values). - labels = me.convertTicksToLabels(ticks) || me.ticks; - - me.afterTickToLabelConversion(); - - me.ticks = labels; // BACKWARD COMPATIBILITY - - // IMPORTANT: from this point, we consider that `this.ticks` will NEVER change! - - // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`) - for (i = 0, ilen = labels.length; i < ilen; ++i) { - label = labels[i]; - tick = ticks[i]; - if (!tick) { - ticks.push(tick = { - label: label, - major: false - }); - } else { - tick.label = label; - } - } - - me._ticks = ticks; - - // Tick Rotation - me.beforeCalculateTickRotation(); - me.calculateTickRotation(); - me.afterCalculateTickRotation(); - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - - }, - afterUpdate: function() { - helpers$1.callback(this.options.afterUpdate, [this]); - }, - - // - - beforeSetDimensions: function() { - helpers$1.callback(this.options.beforeSetDimensions, [this]); - }, - setDimensions: function() { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - }, - afterSetDimensions: function() { - helpers$1.callback(this.options.afterSetDimensions, [this]); - }, - - // Data limits - beforeDataLimits: function() { - helpers$1.callback(this.options.beforeDataLimits, [this]); - }, - determineDataLimits: helpers$1.noop, - afterDataLimits: function() { - helpers$1.callback(this.options.afterDataLimits, [this]); - }, - - // - beforeBuildTicks: function() { - helpers$1.callback(this.options.beforeBuildTicks, [this]); - }, - buildTicks: helpers$1.noop, - afterBuildTicks: function(ticks) { - var me = this; - // ticks is empty for old axis implementations here - if (helpers$1.isArray(ticks) && ticks.length) { - return helpers$1.callback(me.options.afterBuildTicks, [me, ticks]); - } - // Support old implementations (that modified `this.ticks` directly in buildTicks) - me.ticks = helpers$1.callback(me.options.afterBuildTicks, [me, me.ticks]) || me.ticks; - return ticks; - }, - - beforeTickToLabelConversion: function() { - helpers$1.callback(this.options.beforeTickToLabelConversion, [this]); - }, - convertTicksToLabels: function() { - var me = this; - // Convert ticks to strings - var tickOpts = me.options.ticks; - me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this); - }, - afterTickToLabelConversion: function() { - helpers$1.callback(this.options.afterTickToLabelConversion, [this]); - }, - - // - - beforeCalculateTickRotation: function() { - helpers$1.callback(this.options.beforeCalculateTickRotation, [this]); - }, - calculateTickRotation: function() { - var me = this; - var context = me.ctx; - var tickOpts = me.options.ticks; - var labels = labelsFromTicks(me._ticks); - - // Get the width of each grid by calculating the difference - // between x offsets between 0 and 1. - var tickFont = helpers$1.options._parseFont(tickOpts); - context.font = tickFont.string; - - var labelRotation = tickOpts.minRotation || 0; - - if (labels.length && me.options.display && me.isHorizontal()) { - var originalLabelWidth = helpers$1.longestText(context, tickFont.string, labels, me.longestTextCache); - var labelWidth = originalLabelWidth; - var cosRotation, sinRotation; - - // Allow 3 pixels x2 padding either side for label readability - var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6; - - // Max label rotation can be set or default to 90 - also act as a loop counter - while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) { - var angleRadians = helpers$1.toRadians(labelRotation); - cosRotation = Math.cos(angleRadians); - sinRotation = Math.sin(angleRadians); - - if (sinRotation * originalLabelWidth > me.maxHeight) { - // go back one step - labelRotation--; - break; - } - - labelRotation++; - labelWidth = cosRotation * originalLabelWidth; - } - } - - me.labelRotation = labelRotation; - }, - afterCalculateTickRotation: function() { - helpers$1.callback(this.options.afterCalculateTickRotation, [this]); - }, - - // - - beforeFit: function() { - helpers$1.callback(this.options.beforeFit, [this]); - }, - fit: function() { - var me = this; - // Reset - var minSize = me.minSize = { - width: 0, - height: 0 - }; - - var labels = labelsFromTicks(me._ticks); - - var opts = me.options; - var tickOpts = opts.ticks; - var scaleLabelOpts = opts.scaleLabel; - var gridLineOpts = opts.gridLines; - var display = me._isVisible(); - var position = opts.position; - var isHorizontal = me.isHorizontal(); - - var parseFont = helpers$1.options._parseFont; - var tickFont = parseFont(tickOpts); - var tickMarkLength = opts.gridLines.tickMarkLength; - - // Width - if (isHorizontal) { - // subtract the margins to line up with the chartArea if we are a full width scale - minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth; - } else { - minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0; - } - - // height - if (isHorizontal) { - minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0; - } else { - minSize.height = me.maxHeight; // fill all the height - } - - // Are we showing a title for the scale? - if (scaleLabelOpts.display && display) { - var scaleLabelFont = parseFont(scaleLabelOpts); - var scaleLabelPadding = helpers$1.options.toPadding(scaleLabelOpts.padding); - var deltaHeight = scaleLabelFont.lineHeight + scaleLabelPadding.height; - - if (isHorizontal) { - minSize.height += deltaHeight; - } else { - minSize.width += deltaHeight; - } - } - - // Don't bother fitting the ticks if we are not showing the labels - if (tickOpts.display && display) { - var largestTextWidth = helpers$1.longestText(me.ctx, tickFont.string, labels, me.longestTextCache); - var tallestLabelHeightInLines = helpers$1.numberOfLabelLines(labels); - var lineSpace = tickFont.size * 0.5; - var tickPadding = me.options.ticks.padding; - - // Store max number of lines and widest label for _autoSkip - me._maxLabelLines = tallestLabelHeightInLines; - me.longestLabelWidth = largestTextWidth; - - if (isHorizontal) { - var angleRadians = helpers$1.toRadians(me.labelRotation); - var cosRotation = Math.cos(angleRadians); - var sinRotation = Math.sin(angleRadians); - - // TODO - improve this calculation - var labelHeight = (sinRotation * largestTextWidth) - + (tickFont.lineHeight * tallestLabelHeightInLines) - + lineSpace; // padding - - minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding); - - me.ctx.font = tickFont.string; - var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.string); - var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.string); - var offsetLeft = me.getPixelForTick(0) - me.left; - var offsetRight = me.right - me.getPixelForTick(labels.length - 1); - var paddingLeft, paddingRight; - - // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned - // which means that the right padding is dominated by the font height - if (me.labelRotation !== 0) { - paddingLeft = position === 'bottom' ? (cosRotation * firstLabelWidth) : (cosRotation * lineSpace); - paddingRight = position === 'bottom' ? (cosRotation * lineSpace) : (cosRotation * lastLabelWidth); - } else { - paddingLeft = firstLabelWidth / 2; - paddingRight = lastLabelWidth / 2; - } - me.paddingLeft = Math.max(paddingLeft - offsetLeft, 0) + 3; // add 3 px to move away from canvas edges - me.paddingRight = Math.max(paddingRight - offsetRight, 0) + 3; - } else { - // A vertical axis is more constrained by the width. Labels are the - // dominant factor here, so get that length first and account for padding - if (tickOpts.mirror) { - largestTextWidth = 0; - } else { - // use lineSpace for consistency with horizontal axis - // tickPadding is not implemented for horizontal - largestTextWidth += tickPadding + lineSpace; - } - - minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth); - - me.paddingTop = tickFont.size / 2; - me.paddingBottom = tickFont.size / 2; - } - } - - me.handleMargins(); - - me.width = minSize.width; - me.height = minSize.height; - }, - - /** - * Handle margins and padding interactions - * @private - */ - handleMargins: function() { - var me = this; - if (me.margins) { - me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0); - me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0); - me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0); - me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0); - } - }, - - afterFit: function() { - helpers$1.callback(this.options.afterFit, [this]); - }, - - // Shared Methods - isHorizontal: function() { - return this.options.position === 'top' || this.options.position === 'bottom'; - }, - isFullWidth: function() { - return (this.options.fullWidth); - }, - - // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not - getRightValue: function(rawValue) { - // Null and undefined values first - if (helpers$1.isNullOrUndef(rawValue)) { - return NaN; - } - // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values - if ((typeof rawValue === 'number' || rawValue instanceof Number) && !isFinite(rawValue)) { - return NaN; - } - // If it is in fact an object, dive in one more level - if (rawValue) { - if (this.isHorizontal()) { - if (rawValue.x !== undefined) { - return this.getRightValue(rawValue.x); - } - } else if (rawValue.y !== undefined) { - return this.getRightValue(rawValue.y); - } - } - - // Value is good, return it - return rawValue; - }, - - /** - * Used to get the value to display in the tooltip for the data at the given index - * @param index - * @param datasetIndex - */ - getLabelForIndex: helpers$1.noop, - - /** - * Returns the location of the given data point. Value can either be an index or a numerical value - * The coordinate (0, 0) is at the upper-left corner of the canvas - * @param value - * @param index - * @param datasetIndex - */ - getPixelForValue: helpers$1.noop, - - /** - * Used to get the data value from a given pixel. This is the inverse of getPixelForValue - * The coordinate (0, 0) is at the upper-left corner of the canvas - * @param pixel - */ - getValueForPixel: helpers$1.noop, - - /** - * Returns the location of the tick at the given index - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getPixelForTick: function(index) { - var me = this; - var offset = me.options.offset; - if (me.isHorizontal()) { - var innerWidth = me.width - (me.paddingLeft + me.paddingRight); - var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1); - var pixel = (tickWidth * index) + me.paddingLeft; - - if (offset) { - pixel += tickWidth / 2; - } - - var finalVal = me.left + pixel; - finalVal += me.isFullWidth() ? me.margins.left : 0; - return finalVal; - } - var innerHeight = me.height - (me.paddingTop + me.paddingBottom); - return me.top + (index * (innerHeight / (me._ticks.length - 1))); - }, - - /** - * Utility for getting the pixel location of a percentage of scale - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getPixelForDecimal: function(decimal) { - var me = this; - if (me.isHorizontal()) { - var innerWidth = me.width - (me.paddingLeft + me.paddingRight); - var valueOffset = (innerWidth * decimal) + me.paddingLeft; - - var finalVal = me.left + valueOffset; - finalVal += me.isFullWidth() ? me.margins.left : 0; - return finalVal; - } - return me.top + (decimal * me.height); - }, - - /** - * Returns the pixel for the minimum chart value - * The coordinate (0, 0) is at the upper-left corner of the canvas - */ - getBasePixel: function() { - return this.getPixelForValue(this.getBaseValue()); - }, - - getBaseValue: function() { - var me = this; - var min = me.min; - var max = me.max; - - return me.beginAtZero ? 0 : - min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0; - }, - - /** - * Returns a subset of ticks to be plotted to avoid overlapping labels. - * @private - */ - _autoSkip: function(ticks) { - var me = this; - var isHorizontal = me.isHorizontal(); - var optionTicks = me.options.ticks.minor; - var tickCount = ticks.length; - var skipRatio = false; - var maxTicks = optionTicks.maxTicksLimit; - - // Total space needed to display all ticks. First and last ticks are - // drawn as their center at end of axis, so tickCount-1 - var ticksLength = me._tickSize() * (tickCount - 1); - - // Axis length - var axisLength = isHorizontal - ? me.width - (me.paddingLeft + me.paddingRight) - : me.height - (me.paddingTop + me.PaddingBottom); - - var result = []; - var i, tick; - - if (ticksLength > axisLength) { - skipRatio = 1 + Math.floor(ticksLength / axisLength); - } - - // if they defined a max number of optionTicks, - // increase skipRatio until that number is met - if (tickCount > maxTicks) { - skipRatio = Math.max(skipRatio, 1 + Math.floor(tickCount / maxTicks)); - } - - for (i = 0; i < tickCount; i++) { - tick = ticks[i]; - - if (skipRatio > 1 && i % skipRatio > 0) { - // leave tick in place but make sure it's not displayed (#4635) - delete tick.label; - } - result.push(tick); - } - return result; - }, - - /** - * @private - */ - _tickSize: function() { - var me = this; - var isHorizontal = me.isHorizontal(); - var optionTicks = me.options.ticks.minor; - - // Calculate space needed by label in axis direction. - var rot = helpers$1.toRadians(me.labelRotation); - var cos = Math.abs(Math.cos(rot)); - var sin = Math.abs(Math.sin(rot)); - - var padding = optionTicks.autoSkipPadding || 0; - var w = (me.longestLabelWidth + padding) || 0; - - var tickFont = helpers$1.options._parseFont(optionTicks); - var h = (me._maxLabelLines * tickFont.lineHeight + padding) || 0; - - // Calculate space needed for 1 tick in axis direction. - return isHorizontal - ? h * cos > w * sin ? w / cos : h / sin - : h * sin < w * cos ? h / cos : w / sin; - }, - - /** - * @private - */ - _isVisible: function() { - var me = this; - var chart = me.chart; - var display = me.options.display; - var i, ilen, meta; - - if (display !== 'auto') { - return !!display; - } - - // When 'auto', the scale is visible if at least one associated dataset is visible. - for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - meta = chart.getDatasetMeta(i); - if (meta.xAxisID === me.id || meta.yAxisID === me.id) { - return true; - } - } - } - - return false; - }, - - /** - * Actually draw the scale on the canvas - * @param {object} chartArea - the area of the chart to draw full grid lines on - */ - draw: function(chartArea) { - var me = this; - var options = me.options; - - if (!me._isVisible()) { - return; - } - - var chart = me.chart; - var context = me.ctx; - var globalDefaults = core_defaults.global; - var defaultFontColor = globalDefaults.defaultFontColor; - var optionTicks = options.ticks.minor; - var optionMajorTicks = options.ticks.major || optionTicks; - var gridLines = options.gridLines; - var scaleLabel = options.scaleLabel; - var position = options.position; - - var isRotated = me.labelRotation !== 0; - var isMirrored = optionTicks.mirror; - var isHorizontal = me.isHorizontal(); - - var parseFont = helpers$1.options._parseFont; - var ticks = optionTicks.display && optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks(); - var tickFontColor = valueOrDefault$9(optionTicks.fontColor, defaultFontColor); - var tickFont = parseFont(optionTicks); - var lineHeight = tickFont.lineHeight; - var majorTickFontColor = valueOrDefault$9(optionMajorTicks.fontColor, defaultFontColor); - var majorTickFont = parseFont(optionMajorTicks); - var tickPadding = optionTicks.padding; - var labelOffset = optionTicks.labelOffset; - - var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0; - - var scaleLabelFontColor = valueOrDefault$9(scaleLabel.fontColor, defaultFontColor); - var scaleLabelFont = parseFont(scaleLabel); - var scaleLabelPadding = helpers$1.options.toPadding(scaleLabel.padding); - var labelRotationRadians = helpers$1.toRadians(me.labelRotation); - - var itemsToDraw = []; - - var axisWidth = gridLines.drawBorder ? valueAtIndexOrDefault(gridLines.lineWidth, 0, 0) : 0; - var alignPixel = helpers$1._alignPixel; - var borderValue, tickStart, tickEnd; - - if (position === 'top') { - borderValue = alignPixel(chart, me.bottom, axisWidth); - tickStart = me.bottom - tl; - tickEnd = borderValue - axisWidth / 2; - } else if (position === 'bottom') { - borderValue = alignPixel(chart, me.top, axisWidth); - tickStart = borderValue + axisWidth / 2; - tickEnd = me.top + tl; - } else if (position === 'left') { - borderValue = alignPixel(chart, me.right, axisWidth); - tickStart = me.right - tl; - tickEnd = borderValue - axisWidth / 2; - } else { - borderValue = alignPixel(chart, me.left, axisWidth); - tickStart = borderValue + axisWidth / 2; - tickEnd = me.left + tl; - } - - var epsilon = 0.0000001; // 0.0000001 is margin in pixels for Accumulated error. - - helpers$1.each(ticks, function(tick, index) { - // autoskipper skipped this tick (#4635) - if (helpers$1.isNullOrUndef(tick.label)) { - return; - } - - var label = tick.label; - var lineWidth, lineColor, borderDash, borderDashOffset; - if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) { - // Draw the first index specially - lineWidth = gridLines.zeroLineWidth; - lineColor = gridLines.zeroLineColor; - borderDash = gridLines.zeroLineBorderDash || []; - borderDashOffset = gridLines.zeroLineBorderDashOffset || 0.0; - } else { - lineWidth = valueAtIndexOrDefault(gridLines.lineWidth, index); - lineColor = valueAtIndexOrDefault(gridLines.color, index); - borderDash = gridLines.borderDash || []; - borderDashOffset = gridLines.borderDashOffset || 0.0; - } - - // Common properties - var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY, textOffset, textAlign; - var labelCount = helpers$1.isArray(label) ? label.length : 1; - var lineValue = getPixelForGridLine(me, index, gridLines.offsetGridLines); - - if (isHorizontal) { - var labelYOffset = tl + tickPadding; - - if (lineValue < me.left - epsilon) { - lineColor = 'rgba(0,0,0,0)'; - } - - tx1 = tx2 = x1 = x2 = alignPixel(chart, lineValue, lineWidth); - ty1 = tickStart; - ty2 = tickEnd; - labelX = me.getPixelForTick(index) + labelOffset; // x values for optionTicks (need to consider offsetLabel option) - - if (position === 'top') { - y1 = alignPixel(chart, chartArea.top, axisWidth) + axisWidth / 2; - y2 = chartArea.bottom; - textOffset = ((!isRotated ? 0.5 : 1) - labelCount) * lineHeight; - textAlign = !isRotated ? 'center' : 'left'; - labelY = me.bottom - labelYOffset; - } else { - y1 = chartArea.top; - y2 = alignPixel(chart, chartArea.bottom, axisWidth) - axisWidth / 2; - textOffset = (!isRotated ? 0.5 : 0) * lineHeight; - textAlign = !isRotated ? 'center' : 'right'; - labelY = me.top + labelYOffset; - } - } else { - var labelXOffset = (isMirrored ? 0 : tl) + tickPadding; - - if (lineValue < me.top - epsilon) { - lineColor = 'rgba(0,0,0,0)'; - } - - tx1 = tickStart; - tx2 = tickEnd; - ty1 = ty2 = y1 = y2 = alignPixel(chart, lineValue, lineWidth); - labelY = me.getPixelForTick(index) + labelOffset; - textOffset = (1 - labelCount) * lineHeight / 2; - - if (position === 'left') { - x1 = alignPixel(chart, chartArea.left, axisWidth) + axisWidth / 2; - x2 = chartArea.right; - textAlign = isMirrored ? 'left' : 'right'; - labelX = me.right - labelXOffset; - } else { - x1 = chartArea.left; - x2 = alignPixel(chart, chartArea.right, axisWidth) - axisWidth / 2; - textAlign = isMirrored ? 'right' : 'left'; - labelX = me.left + labelXOffset; - } - } - - itemsToDraw.push({ - tx1: tx1, - ty1: ty1, - tx2: tx2, - ty2: ty2, - x1: x1, - y1: y1, - x2: x2, - y2: y2, - labelX: labelX, - labelY: labelY, - glWidth: lineWidth, - glColor: lineColor, - glBorderDash: borderDash, - glBorderDashOffset: borderDashOffset, - rotation: -1 * labelRotationRadians, - label: label, - major: tick.major, - textOffset: textOffset, - textAlign: textAlign - }); - }); - - // Draw all of the tick labels, tick marks, and grid lines at the correct places - helpers$1.each(itemsToDraw, function(itemToDraw) { - var glWidth = itemToDraw.glWidth; - var glColor = itemToDraw.glColor; - - if (gridLines.display && glWidth && glColor) { - context.save(); - context.lineWidth = glWidth; - context.strokeStyle = glColor; - if (context.setLineDash) { - context.setLineDash(itemToDraw.glBorderDash); - context.lineDashOffset = itemToDraw.glBorderDashOffset; - } - - context.beginPath(); - - if (gridLines.drawTicks) { - context.moveTo(itemToDraw.tx1, itemToDraw.ty1); - context.lineTo(itemToDraw.tx2, itemToDraw.ty2); - } - - if (gridLines.drawOnChartArea) { - context.moveTo(itemToDraw.x1, itemToDraw.y1); - context.lineTo(itemToDraw.x2, itemToDraw.y2); - } - - context.stroke(); - context.restore(); - } - - if (optionTicks.display) { - // Make sure we draw text in the correct color and font - context.save(); - context.translate(itemToDraw.labelX, itemToDraw.labelY); - context.rotate(itemToDraw.rotation); - context.font = itemToDraw.major ? majorTickFont.string : tickFont.string; - context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor; - context.textBaseline = 'middle'; - context.textAlign = itemToDraw.textAlign; - - var label = itemToDraw.label; - var y = itemToDraw.textOffset; - if (helpers$1.isArray(label)) { - for (var i = 0; i < label.length; ++i) { - // We just make sure the multiline element is a string here.. - context.fillText('' + label[i], 0, y); - y += lineHeight; - } - } else { - context.fillText(label, 0, y); - } - context.restore(); - } - }); - - if (scaleLabel.display) { - // Draw the scale label - var scaleLabelX; - var scaleLabelY; - var rotation = 0; - var halfLineHeight = scaleLabelFont.lineHeight / 2; - - if (isHorizontal) { - scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width - scaleLabelY = position === 'bottom' - ? me.bottom - halfLineHeight - scaleLabelPadding.bottom - : me.top + halfLineHeight + scaleLabelPadding.top; - } else { - var isLeft = position === 'left'; - scaleLabelX = isLeft - ? me.left + halfLineHeight + scaleLabelPadding.top - : me.right - halfLineHeight - scaleLabelPadding.top; - scaleLabelY = me.top + ((me.bottom - me.top) / 2); - rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI; - } - - context.save(); - context.translate(scaleLabelX, scaleLabelY); - context.rotate(rotation); - context.textAlign = 'center'; - context.textBaseline = 'middle'; - context.fillStyle = scaleLabelFontColor; // render in correct colour - context.font = scaleLabelFont.string; - context.fillText(scaleLabel.labelString, 0, 0); - context.restore(); - } - - if (axisWidth) { - // Draw the line at the edge of the axis - var firstLineWidth = axisWidth; - var lastLineWidth = valueAtIndexOrDefault(gridLines.lineWidth, ticks.length - 1, 0); - var x1, x2, y1, y2; - - if (isHorizontal) { - x1 = alignPixel(chart, me.left, firstLineWidth) - firstLineWidth / 2; - x2 = alignPixel(chart, me.right, lastLineWidth) + lastLineWidth / 2; - y1 = y2 = borderValue; - } else { - y1 = alignPixel(chart, me.top, firstLineWidth) - firstLineWidth / 2; - y2 = alignPixel(chart, me.bottom, lastLineWidth) + lastLineWidth / 2; - x1 = x2 = borderValue; - } - - context.lineWidth = axisWidth; - context.strokeStyle = valueAtIndexOrDefault(gridLines.color, 0); - context.beginPath(); - context.moveTo(x1, y1); - context.lineTo(x2, y2); - context.stroke(); - } - } -}); - -var defaultConfig = { - position: 'bottom' -}; - -var scale_category = core_scale.extend({ - /** - * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those - * else fall back to data.labels - * @private - */ - getLabels: function() { - var data = this.chart.data; - return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels; - }, - - determineDataLimits: function() { - var me = this; - var labels = me.getLabels(); - me.minIndex = 0; - me.maxIndex = labels.length - 1; - var findIndex; - - if (me.options.ticks.min !== undefined) { - // user specified min value - findIndex = labels.indexOf(me.options.ticks.min); - me.minIndex = findIndex !== -1 ? findIndex : me.minIndex; - } - - if (me.options.ticks.max !== undefined) { - // user specified max value - findIndex = labels.indexOf(me.options.ticks.max); - me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex; - } - - me.min = labels[me.minIndex]; - me.max = labels[me.maxIndex]; - }, - - buildTicks: function() { - var me = this; - var labels = me.getLabels(); - // If we are viewing some subset of labels, slice the original array - me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1); - }, - - getLabelForIndex: function(index, datasetIndex) { - var me = this; - var chart = me.chart; - - if (chart.getDatasetMeta(datasetIndex).controller._getValueScaleId() === me.id) { - return me.getRightValue(chart.data.datasets[datasetIndex].data[index]); - } - - return me.ticks[index - me.minIndex]; - }, - - // Used to get data value locations. Value can either be an index or a numerical value - getPixelForValue: function(value, index) { - var me = this; - var offset = me.options.offset; - // 1 is added because we need the length but we have the indexes - var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1); - - // If value is a data object, then index is the index in the data array, - // not the index of the scale. We need to change that. - var valueCategory; - if (value !== undefined && value !== null) { - valueCategory = me.isHorizontal() ? value.x : value.y; - } - if (valueCategory !== undefined || (value !== undefined && isNaN(index))) { - var labels = me.getLabels(); - value = valueCategory || value; - var idx = labels.indexOf(value); - index = idx !== -1 ? idx : index; - } - - if (me.isHorizontal()) { - var valueWidth = me.width / offsetAmt; - var widthOffset = (valueWidth * (index - me.minIndex)); - - if (offset) { - widthOffset += (valueWidth / 2); - } - - return me.left + widthOffset; - } - var valueHeight = me.height / offsetAmt; - var heightOffset = (valueHeight * (index - me.minIndex)); - - if (offset) { - heightOffset += (valueHeight / 2); - } - - return me.top + heightOffset; - }, - - getPixelForTick: function(index) { - return this.getPixelForValue(this.ticks[index], index + this.minIndex, null); - }, - - getValueForPixel: function(pixel) { - var me = this; - var offset = me.options.offset; - var value; - var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1); - var horz = me.isHorizontal(); - var valueDimension = (horz ? me.width : me.height) / offsetAmt; - - pixel -= horz ? me.left : me.top; - - if (offset) { - pixel -= (valueDimension / 2); - } - - if (pixel <= 0) { - value = 0; - } else { - value = Math.round(pixel / valueDimension); - } - - return value + me.minIndex; - }, - - getBasePixel: function() { - return this.bottom; - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults = defaultConfig; -scale_category._defaults = _defaults; - -var noop = helpers$1.noop; -var isNullOrUndef = helpers$1.isNullOrUndef; - -/** - * Generate a set of linear ticks - * @param generationOptions the options used to generate the ticks - * @param dataRange the range of the data - * @returns {number[]} array of tick values - */ -function generateTicks(generationOptions, dataRange) { - var ticks = []; - // To get a "nice" value for the tick spacing, we will use the appropriately named - // "nice number" algorithm. See https://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks - // for details. - - var MIN_SPACING = 1e-14; - var stepSize = generationOptions.stepSize; - var unit = stepSize || 1; - var maxNumSpaces = generationOptions.maxTicks - 1; - var min = generationOptions.min; - var max = generationOptions.max; - var precision = generationOptions.precision; - var rmin = dataRange.min; - var rmax = dataRange.max; - var spacing = helpers$1.niceNum((rmax - rmin) / maxNumSpaces / unit) * unit; - var factor, niceMin, niceMax, numSpaces; - - // Beyond MIN_SPACING floating point numbers being to lose precision - // such that we can't do the math necessary to generate ticks - if (spacing < MIN_SPACING && isNullOrUndef(min) && isNullOrUndef(max)) { - return [rmin, rmax]; - } - - numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); - if (numSpaces > maxNumSpaces) { - // If the calculated num of spaces exceeds maxNumSpaces, recalculate it - spacing = helpers$1.niceNum(numSpaces * spacing / maxNumSpaces / unit) * unit; - } - - if (stepSize || isNullOrUndef(precision)) { - // If a precision is not specified, calculate factor based on spacing - factor = Math.pow(10, helpers$1._decimalPlaces(spacing)); - } else { - // If the user specified a precision, round to that number of decimal places - factor = Math.pow(10, precision); - spacing = Math.ceil(spacing * factor) / factor; - } - - niceMin = Math.floor(rmin / spacing) * spacing; - niceMax = Math.ceil(rmax / spacing) * spacing; - - // If min, max and stepSize is set and they make an evenly spaced scale use it. - if (stepSize) { - // If very close to our whole number, use it. - if (!isNullOrUndef(min) && helpers$1.almostWhole(min / spacing, spacing / 1000)) { - niceMin = min; - } - if (!isNullOrUndef(max) && helpers$1.almostWhole(max / spacing, spacing / 1000)) { - niceMax = max; - } - } - - numSpaces = (niceMax - niceMin) / spacing; - // If very close to our rounded value, use it. - if (helpers$1.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { - numSpaces = Math.round(numSpaces); - } else { - numSpaces = Math.ceil(numSpaces); - } - - niceMin = Math.round(niceMin * factor) / factor; - niceMax = Math.round(niceMax * factor) / factor; - ticks.push(isNullOrUndef(min) ? niceMin : min); - for (var j = 1; j < numSpaces; ++j) { - ticks.push(Math.round((niceMin + j * spacing) * factor) / factor); - } - ticks.push(isNullOrUndef(max) ? niceMax : max); - - return ticks; -} - -var scale_linearbase = core_scale.extend({ - getRightValue: function(value) { - if (typeof value === 'string') { - return +value; - } - return core_scale.prototype.getRightValue.call(this, value); - }, - - handleTickRangeOptions: function() { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - - // If we are forcing it to begin at 0, but 0 will already be rendered on the chart, - // do nothing since that would make the chart weird. If the user really wants a weird chart - // axis, they can manually override it - if (tickOpts.beginAtZero) { - var minSign = helpers$1.sign(me.min); - var maxSign = helpers$1.sign(me.max); - - if (minSign < 0 && maxSign < 0) { - // move the top up to 0 - me.max = 0; - } else if (minSign > 0 && maxSign > 0) { - // move the bottom down to 0 - me.min = 0; - } - } - - var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined; - var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined; - - if (tickOpts.min !== undefined) { - me.min = tickOpts.min; - } else if (tickOpts.suggestedMin !== undefined) { - if (me.min === null) { - me.min = tickOpts.suggestedMin; - } else { - me.min = Math.min(me.min, tickOpts.suggestedMin); - } - } - - if (tickOpts.max !== undefined) { - me.max = tickOpts.max; - } else if (tickOpts.suggestedMax !== undefined) { - if (me.max === null) { - me.max = tickOpts.suggestedMax; - } else { - me.max = Math.max(me.max, tickOpts.suggestedMax); - } - } - - if (setMin !== setMax) { - // We set the min or the max but not both. - // So ensure that our range is good - // Inverted or 0 length range can happen when - // ticks.min is set, and no datasets are visible - if (me.min >= me.max) { - if (setMin) { - me.max = me.min + 1; - } else { - me.min = me.max - 1; - } - } - } - - if (me.min === me.max) { - me.max++; - - if (!tickOpts.beginAtZero) { - me.min--; - } - } - }, - - getTickLimit: function() { - var me = this; - var tickOpts = me.options.ticks; - var stepSize = tickOpts.stepSize; - var maxTicksLimit = tickOpts.maxTicksLimit; - var maxTicks; - - if (stepSize) { - maxTicks = Math.ceil(me.max / stepSize) - Math.floor(me.min / stepSize) + 1; - } else { - maxTicks = me._computeTickLimit(); - maxTicksLimit = maxTicksLimit || 11; - } - - if (maxTicksLimit) { - maxTicks = Math.min(maxTicksLimit, maxTicks); - } - - return maxTicks; - }, - - _computeTickLimit: function() { - return Number.POSITIVE_INFINITY; - }, - - handleDirectionalChanges: noop, - - buildTicks: function() { - var me = this; - var opts = me.options; - var tickOpts = opts.ticks; - - // Figure out what the max number of ticks we can support it is based on the size of - // the axis area. For now, we say that the minimum tick spacing in pixels must be 40 - // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on - // the graph. Make sure we always have at least 2 ticks - var maxTicks = me.getTickLimit(); - maxTicks = Math.max(2, maxTicks); - - var numericGeneratorOptions = { - maxTicks: maxTicks, - min: tickOpts.min, - max: tickOpts.max, - precision: tickOpts.precision, - stepSize: helpers$1.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize) - }; - var ticks = me.ticks = generateTicks(numericGeneratorOptions, me); - - me.handleDirectionalChanges(); - - // At this point, we need to update our max and min given the tick values since we have expanded the - // range of the scale - me.max = helpers$1.max(ticks); - me.min = helpers$1.min(ticks); - - if (tickOpts.reverse) { - ticks.reverse(); - - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - }, - - convertTicksToLabels: function() { - var me = this; - me.ticksAsNumbers = me.ticks.slice(); - me.zeroLineIndex = me.ticks.indexOf(0); - - core_scale.prototype.convertTicksToLabels.call(me); - } -}); - -var defaultConfig$1 = { - position: 'left', - ticks: { - callback: core_ticks.formatters.linear - } -}; - -var scale_linear = scale_linearbase.extend({ - determineDataLimits: function() { - var me = this; - var opts = me.options; - var chart = me.chart; - var data = chart.data; - var datasets = data.datasets; - var isHorizontal = me.isHorizontal(); - var DEFAULT_MIN = 0; - var DEFAULT_MAX = 1; - - function IDMatches(meta) { - return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; - } - - // First Calculate the range - me.min = null; - me.max = null; - - var hasStacks = opts.stacked; - if (hasStacks === undefined) { - helpers$1.each(datasets, function(dataset, datasetIndex) { - if (hasStacks) { - return; - } - - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && - meta.stack !== undefined) { - hasStacks = true; - } - }); - } - - if (opts.stacked || hasStacks) { - var valuesPerStack = {}; - - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - var key = [ - meta.type, - // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined - ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), - meta.stack - ].join('.'); - - if (valuesPerStack[key] === undefined) { - valuesPerStack[key] = { - positiveValues: [], - negativeValues: [] - }; - } - - // Store these per type - var positiveValues = valuesPerStack[key].positiveValues; - var negativeValues = valuesPerStack[key].negativeValues; - - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - positiveValues[index] = positiveValues[index] || 0; - negativeValues[index] = negativeValues[index] || 0; - - if (opts.relativePoints) { - positiveValues[index] = 100; - } else if (value < 0) { - negativeValues[index] += value; - } else { - positiveValues[index] += value; - } - }); - } - }); - - helpers$1.each(valuesPerStack, function(valuesForType) { - var values = valuesForType.positiveValues.concat(valuesForType.negativeValues); - var minVal = helpers$1.min(values); - var maxVal = helpers$1.max(values); - me.min = me.min === null ? minVal : Math.min(me.min, minVal); - me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); - }); - - } else { - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - if (me.min === null) { - me.min = value; - } else if (value < me.min) { - me.min = value; - } - - if (me.max === null) { - me.max = value; - } else if (value > me.max) { - me.max = value; - } - }); - } - }); - } - - me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN; - me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX; - - // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero - this.handleTickRangeOptions(); - }, - - // Returns the maximum number of ticks based on the scale dimension - _computeTickLimit: function() { - var me = this; - var tickFont; - - if (me.isHorizontal()) { - return Math.ceil(me.width / 40); - } - tickFont = helpers$1.options._parseFont(me.options.ticks); - return Math.ceil(me.height / tickFont.lineHeight); - }, - - // Called after the ticks are built. We need - handleDirectionalChanges: function() { - if (!this.isHorizontal()) { - // We are in a vertical orientation. The top value is the highest. So reverse the array - this.ticks.reverse(); - } - }, - - getLabelForIndex: function(index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - // Utils - getPixelForValue: function(value) { - // This must be called after fit has been run so that - // this.left, this.top, this.right, and this.bottom have been defined - var me = this; - var start = me.start; - - var rightValue = +me.getRightValue(value); - var pixel; - var range = me.end - start; - - if (me.isHorizontal()) { - pixel = me.left + (me.width / range * (rightValue - start)); - } else { - pixel = me.bottom - (me.height / range * (rightValue - start)); - } - return pixel; - }, - - getValueForPixel: function(pixel) { - var me = this; - var isHorizontal = me.isHorizontal(); - var innerDimension = isHorizontal ? me.width : me.height; - var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension; - return me.start + ((me.end - me.start) * offset); - }, - - getPixelForTick: function(index) { - return this.getPixelForValue(this.ticksAsNumbers[index]); - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$1 = defaultConfig$1; -scale_linear._defaults = _defaults$1; - -var valueOrDefault$a = helpers$1.valueOrDefault; - -/** - * Generate a set of logarithmic ticks - * @param generationOptions the options used to generate the ticks - * @param dataRange the range of the data - * @returns {number[]} array of tick values - */ -function generateTicks$1(generationOptions, dataRange) { - var ticks = []; - - var tickVal = valueOrDefault$a(generationOptions.min, Math.pow(10, Math.floor(helpers$1.log10(dataRange.min)))); - - var endExp = Math.floor(helpers$1.log10(dataRange.max)); - var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); - var exp, significand; - - if (tickVal === 0) { - exp = Math.floor(helpers$1.log10(dataRange.minNotZero)); - significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp)); - - ticks.push(tickVal); - tickVal = significand * Math.pow(10, exp); - } else { - exp = Math.floor(helpers$1.log10(tickVal)); - significand = Math.floor(tickVal / Math.pow(10, exp)); - } - var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; - - do { - ticks.push(tickVal); - - ++significand; - if (significand === 10) { - significand = 1; - ++exp; - precision = exp >= 0 ? 1 : precision; - } - - tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision; - } while (exp < endExp || (exp === endExp && significand < endSignificand)); - - var lastTick = valueOrDefault$a(generationOptions.max, tickVal); - ticks.push(lastTick); - - return ticks; -} - -var defaultConfig$2 = { - position: 'left', - - // label settings - ticks: { - callback: core_ticks.formatters.logarithmic - } -}; - -// TODO(v3): change this to positiveOrDefault -function nonNegativeOrDefault(value, defaultValue) { - return helpers$1.isFinite(value) && value >= 0 ? value : defaultValue; -} - -var scale_logarithmic = core_scale.extend({ - determineDataLimits: function() { - var me = this; - var opts = me.options; - var chart = me.chart; - var data = chart.data; - var datasets = data.datasets; - var isHorizontal = me.isHorizontal(); - function IDMatches(meta) { - return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; - } - - // Calculate Range - me.min = null; - me.max = null; - me.minNotZero = null; - - var hasStacks = opts.stacked; - if (hasStacks === undefined) { - helpers$1.each(datasets, function(dataset, datasetIndex) { - if (hasStacks) { - return; - } - - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && - meta.stack !== undefined) { - hasStacks = true; - } - }); - } - - if (opts.stacked || hasStacks) { - var valuesPerStack = {}; - - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - var key = [ - meta.type, - // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined - ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), - meta.stack - ].join('.'); - - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - if (valuesPerStack[key] === undefined) { - valuesPerStack[key] = []; - } - - helpers$1.each(dataset.data, function(rawValue, index) { - var values = valuesPerStack[key]; - var value = +me.getRightValue(rawValue); - // invalid, hidden and negative values are ignored - if (isNaN(value) || meta.data[index].hidden || value < 0) { - return; - } - values[index] = values[index] || 0; - values[index] += value; - }); - } - }); - - helpers$1.each(valuesPerStack, function(valuesForType) { - if (valuesForType.length > 0) { - var minVal = helpers$1.min(valuesForType); - var maxVal = helpers$1.max(valuesForType); - me.min = me.min === null ? minVal : Math.min(me.min, minVal); - me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); - } - }); - - } else { - helpers$1.each(datasets, function(dataset, datasetIndex) { - var meta = chart.getDatasetMeta(datasetIndex); - if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - // invalid, hidden and negative values are ignored - if (isNaN(value) || meta.data[index].hidden || value < 0) { - return; - } - - if (me.min === null) { - me.min = value; - } else if (value < me.min) { - me.min = value; - } - - if (me.max === null) { - me.max = value; - } else if (value > me.max) { - me.max = value; - } - - if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) { - me.minNotZero = value; - } - }); - } - }); - } - - // Common base implementation to handle ticks.min, ticks.max - this.handleTickRangeOptions(); - }, - - handleTickRangeOptions: function() { - var me = this; - var tickOpts = me.options.ticks; - var DEFAULT_MIN = 1; - var DEFAULT_MAX = 10; - - me.min = nonNegativeOrDefault(tickOpts.min, me.min); - me.max = nonNegativeOrDefault(tickOpts.max, me.max); - - if (me.min === me.max) { - if (me.min !== 0 && me.min !== null) { - me.min = Math.pow(10, Math.floor(helpers$1.log10(me.min)) - 1); - me.max = Math.pow(10, Math.floor(helpers$1.log10(me.max)) + 1); - } else { - me.min = DEFAULT_MIN; - me.max = DEFAULT_MAX; - } - } - if (me.min === null) { - me.min = Math.pow(10, Math.floor(helpers$1.log10(me.max)) - 1); - } - if (me.max === null) { - me.max = me.min !== 0 - ? Math.pow(10, Math.floor(helpers$1.log10(me.min)) + 1) - : DEFAULT_MAX; - } - if (me.minNotZero === null) { - if (me.min > 0) { - me.minNotZero = me.min; - } else if (me.max < 1) { - me.minNotZero = Math.pow(10, Math.floor(helpers$1.log10(me.max))); - } else { - me.minNotZero = DEFAULT_MIN; - } - } - }, - - buildTicks: function() { - var me = this; - var tickOpts = me.options.ticks; - var reverse = !me.isHorizontal(); - - var generationOptions = { - min: nonNegativeOrDefault(tickOpts.min), - max: nonNegativeOrDefault(tickOpts.max) - }; - var ticks = me.ticks = generateTicks$1(generationOptions, me); - - // At this point, we need to update our max and min given the tick values since we have expanded the - // range of the scale - me.max = helpers$1.max(ticks); - me.min = helpers$1.min(ticks); - - if (tickOpts.reverse) { - reverse = !reverse; - me.start = me.max; - me.end = me.min; - } else { - me.start = me.min; - me.end = me.max; - } - if (reverse) { - ticks.reverse(); - } - }, - - convertTicksToLabels: function() { - this.tickValues = this.ticks.slice(); - - core_scale.prototype.convertTicksToLabels.call(this); - }, - - // Get the correct tooltip label - getLabelForIndex: function(index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - getPixelForTick: function(index) { - return this.getPixelForValue(this.tickValues[index]); - }, - - /** - * Returns the value of the first tick. - * @param {number} value - The minimum not zero value. - * @return {number} The first tick value. - * @private - */ - _getFirstTickValue: function(value) { - var exp = Math.floor(helpers$1.log10(value)); - var significand = Math.floor(value / Math.pow(10, exp)); - - return significand * Math.pow(10, exp); - }, - - getPixelForValue: function(value) { - var me = this; - var tickOpts = me.options.ticks; - var reverse = tickOpts.reverse; - var log10 = helpers$1.log10; - var firstTickValue = me._getFirstTickValue(me.minNotZero); - var offset = 0; - var innerDimension, pixel, start, end, sign; - - value = +me.getRightValue(value); - if (reverse) { - start = me.end; - end = me.start; - sign = -1; - } else { - start = me.start; - end = me.end; - sign = 1; - } - if (me.isHorizontal()) { - innerDimension = me.width; - pixel = reverse ? me.right : me.left; - } else { - innerDimension = me.height; - sign *= -1; // invert, since the upper-left corner of the canvas is at pixel (0, 0) - pixel = reverse ? me.top : me.bottom; - } - if (value !== start) { - if (start === 0) { // include zero tick - offset = valueOrDefault$a(tickOpts.fontSize, core_defaults.global.defaultFontSize); - innerDimension -= offset; - start = firstTickValue; - } - if (value !== 0) { - offset += innerDimension / (log10(end) - log10(start)) * (log10(value) - log10(start)); - } - pixel += sign * offset; - } - return pixel; - }, - - getValueForPixel: function(pixel) { - var me = this; - var tickOpts = me.options.ticks; - var reverse = tickOpts.reverse; - var log10 = helpers$1.log10; - var firstTickValue = me._getFirstTickValue(me.minNotZero); - var innerDimension, start, end, value; - - if (reverse) { - start = me.end; - end = me.start; - } else { - start = me.start; - end = me.end; - } - if (me.isHorizontal()) { - innerDimension = me.width; - value = reverse ? me.right - pixel : pixel - me.left; - } else { - innerDimension = me.height; - value = reverse ? pixel - me.top : me.bottom - pixel; - } - if (value !== start) { - if (start === 0) { // include zero tick - var offset = valueOrDefault$a(tickOpts.fontSize, core_defaults.global.defaultFontSize); - value -= offset; - innerDimension -= offset; - start = firstTickValue; - } - value *= log10(end) - log10(start); - value /= innerDimension; - value = Math.pow(10, log10(start) + value); - } - return value; - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$2 = defaultConfig$2; -scale_logarithmic._defaults = _defaults$2; - -var valueOrDefault$b = helpers$1.valueOrDefault; -var valueAtIndexOrDefault$1 = helpers$1.valueAtIndexOrDefault; -var resolve$7 = helpers$1.options.resolve; - -var defaultConfig$3 = { - display: true, - - // Boolean - Whether to animate scaling the chart from the centre - animate: true, - position: 'chartArea', - - angleLines: { - display: true, - color: 'rgba(0, 0, 0, 0.1)', - lineWidth: 1, - borderDash: [], - borderDashOffset: 0.0 - }, - - gridLines: { - circular: false - }, - - // label settings - ticks: { - // Boolean - Show a backdrop to the scale label - showLabelBackdrop: true, - - // String - The colour of the label backdrop - backdropColor: 'rgba(255,255,255,0.75)', - - // Number - The backdrop padding above & below the label in pixels - backdropPaddingY: 2, - - // Number - The backdrop padding to the side of the label in pixels - backdropPaddingX: 2, - - callback: core_ticks.formatters.linear - }, - - pointLabels: { - // Boolean - if true, show point labels - display: true, - - // Number - Point label font size in pixels - fontSize: 10, - - // Function - Used to convert point labels - callback: function(label) { - return label; - } - } -}; - -function getValueCount(scale) { - var opts = scale.options; - return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0; -} - -function getTickBackdropHeight(opts) { - var tickOpts = opts.ticks; - - if (tickOpts.display && opts.display) { - return valueOrDefault$b(tickOpts.fontSize, core_defaults.global.defaultFontSize) + tickOpts.backdropPaddingY * 2; - } - return 0; -} - -function measureLabelSize(ctx, lineHeight, label) { - if (helpers$1.isArray(label)) { - return { - w: helpers$1.longestText(ctx, ctx.font, label), - h: label.length * lineHeight - }; - } - - return { - w: ctx.measureText(label).width, - h: lineHeight - }; -} - -function determineLimits(angle, pos, size, min, max) { - if (angle === min || angle === max) { - return { - start: pos - (size / 2), - end: pos + (size / 2) - }; - } else if (angle < min || angle > max) { - return { - start: pos - size, - end: pos - }; - } - - return { - start: pos, - end: pos + size - }; -} - -/** - * Helper function to fit a radial linear scale with point labels - */ -function fitWithPointLabels(scale) { - - // Right, this is really confusing and there is a lot of maths going on here - // The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9 - // - // Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif - // - // Solution: - // - // We assume the radius of the polygon is half the size of the canvas at first - // at each index we check if the text overlaps. - // - // Where it does, we store that angle and that index. - // - // After finding the largest index and angle we calculate how much we need to remove - // from the shape radius to move the point inwards by that x. - // - // We average the left and right distances to get the maximum shape radius that can fit in the box - // along with labels. - // - // Once we have that, we can find the centre point for the chart, by taking the x text protrusion - // on each side, removing that from the size, halving it and adding the left x protrusion width. - // - // This will mean we have a shape fitted to the canvas, as large as it can be with the labels - // and position it in the most space efficient manner - // - // https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif - - var plFont = helpers$1.options._parseFont(scale.options.pointLabels); - - // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width. - // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points - var furthestLimits = { - l: 0, - r: scale.width, - t: 0, - b: scale.height - scale.paddingTop - }; - var furthestAngles = {}; - var i, textSize, pointPosition; - - scale.ctx.font = plFont.string; - scale._pointLabelSizes = []; - - var valueCount = getValueCount(scale); - for (i = 0; i < valueCount; i++) { - pointPosition = scale.getPointPosition(i, scale.drawingArea + 5); - textSize = measureLabelSize(scale.ctx, plFont.lineHeight, scale.pointLabels[i] || ''); - scale._pointLabelSizes[i] = textSize; - - // Add quarter circle to make degree 0 mean top of circle - var angleRadians = scale.getIndexAngle(i); - var angle = helpers$1.toDegrees(angleRadians) % 360; - var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); - var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); - - if (hLimits.start < furthestLimits.l) { - furthestLimits.l = hLimits.start; - furthestAngles.l = angleRadians; - } - - if (hLimits.end > furthestLimits.r) { - furthestLimits.r = hLimits.end; - furthestAngles.r = angleRadians; - } - - if (vLimits.start < furthestLimits.t) { - furthestLimits.t = vLimits.start; - furthestAngles.t = angleRadians; - } - - if (vLimits.end > furthestLimits.b) { - furthestLimits.b = vLimits.end; - furthestAngles.b = angleRadians; - } - } - - scale.setReductions(scale.drawingArea, furthestLimits, furthestAngles); -} - -function getTextAlignForAngle(angle) { - if (angle === 0 || angle === 180) { - return 'center'; - } else if (angle < 180) { - return 'left'; - } - - return 'right'; -} - -function fillText(ctx, text, position, lineHeight) { - var y = position.y + lineHeight / 2; - var i, ilen; - - if (helpers$1.isArray(text)) { - for (i = 0, ilen = text.length; i < ilen; ++i) { - ctx.fillText(text[i], position.x, y); - y += lineHeight; - } - } else { - ctx.fillText(text, position.x, y); - } -} - -function adjustPointPositionForLabelHeight(angle, textSize, position) { - if (angle === 90 || angle === 270) { - position.y -= (textSize.h / 2); - } else if (angle > 270 || angle < 90) { - position.y -= textSize.h; - } -} - -function drawPointLabels(scale) { - var ctx = scale.ctx; - var opts = scale.options; - var angleLineOpts = opts.angleLines; - var gridLineOpts = opts.gridLines; - var pointLabelOpts = opts.pointLabels; - var lineWidth = valueOrDefault$b(angleLineOpts.lineWidth, gridLineOpts.lineWidth); - var lineColor = valueOrDefault$b(angleLineOpts.color, gridLineOpts.color); - var tickBackdropHeight = getTickBackdropHeight(opts); - - ctx.save(); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = lineColor; - if (ctx.setLineDash) { - ctx.setLineDash(resolve$7([angleLineOpts.borderDash, gridLineOpts.borderDash, []])); - ctx.lineDashOffset = resolve$7([angleLineOpts.borderDashOffset, gridLineOpts.borderDashOffset, 0.0]); - } - - var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max); - - // Point Label Font - var plFont = helpers$1.options._parseFont(pointLabelOpts); - - ctx.font = plFont.string; - ctx.textBaseline = 'middle'; - - for (var i = getValueCount(scale) - 1; i >= 0; i--) { - if (angleLineOpts.display && lineWidth && lineColor) { - var outerPosition = scale.getPointPosition(i, outerDistance); - ctx.beginPath(); - ctx.moveTo(scale.xCenter, scale.yCenter); - ctx.lineTo(outerPosition.x, outerPosition.y); - ctx.stroke(); - } - - if (pointLabelOpts.display) { - // Extra pixels out for some label spacing - var extra = (i === 0 ? tickBackdropHeight / 2 : 0); - var pointLabelPosition = scale.getPointPosition(i, outerDistance + extra + 5); - - // Keep this in loop since we may support array properties here - var pointLabelFontColor = valueAtIndexOrDefault$1(pointLabelOpts.fontColor, i, core_defaults.global.defaultFontColor); - ctx.fillStyle = pointLabelFontColor; - - var angleRadians = scale.getIndexAngle(i); - var angle = helpers$1.toDegrees(angleRadians); - ctx.textAlign = getTextAlignForAngle(angle); - adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition); - fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.lineHeight); - } - } - ctx.restore(); -} - -function drawRadiusLine(scale, gridLineOpts, radius, index) { - var ctx = scale.ctx; - var circular = gridLineOpts.circular; - var valueCount = getValueCount(scale); - var lineColor = valueAtIndexOrDefault$1(gridLineOpts.color, index - 1); - var lineWidth = valueAtIndexOrDefault$1(gridLineOpts.lineWidth, index - 1); - var pointPosition; - - if ((!circular && !valueCount) || !lineColor || !lineWidth) { - return; - } - - ctx.save(); - ctx.strokeStyle = lineColor; - ctx.lineWidth = lineWidth; - if (ctx.setLineDash) { - ctx.setLineDash(gridLineOpts.borderDash || []); - ctx.lineDashOffset = gridLineOpts.borderDashOffset || 0.0; - } - - ctx.beginPath(); - if (circular) { - // Draw circular arcs between the points - ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2); - } else { - // Draw straight lines connecting each index - pointPosition = scale.getPointPosition(0, radius); - ctx.moveTo(pointPosition.x, pointPosition.y); - - for (var i = 1; i < valueCount; i++) { - pointPosition = scale.getPointPosition(i, radius); - ctx.lineTo(pointPosition.x, pointPosition.y); - } - } - ctx.closePath(); - ctx.stroke(); - ctx.restore(); -} - -function numberOrZero(param) { - return helpers$1.isNumber(param) ? param : 0; -} - -var scale_radialLinear = scale_linearbase.extend({ - setDimensions: function() { - var me = this; - - // Set the unconstrained dimension before label rotation - me.width = me.maxWidth; - me.height = me.maxHeight; - me.paddingTop = getTickBackdropHeight(me.options) / 2; - me.xCenter = Math.floor(me.width / 2); - me.yCenter = Math.floor((me.height - me.paddingTop) / 2); - me.drawingArea = Math.min(me.height - me.paddingTop, me.width) / 2; - }, - - determineDataLimits: function() { - var me = this; - var chart = me.chart; - var min = Number.POSITIVE_INFINITY; - var max = Number.NEGATIVE_INFINITY; - - helpers$1.each(chart.data.datasets, function(dataset, datasetIndex) { - if (chart.isDatasetVisible(datasetIndex)) { - var meta = chart.getDatasetMeta(datasetIndex); - - helpers$1.each(dataset.data, function(rawValue, index) { - var value = +me.getRightValue(rawValue); - if (isNaN(value) || meta.data[index].hidden) { - return; - } - - min = Math.min(value, min); - max = Math.max(value, max); - }); - } - }); - - me.min = (min === Number.POSITIVE_INFINITY ? 0 : min); - me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max); - - // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero - me.handleTickRangeOptions(); - }, - - // Returns the maximum number of ticks based on the scale dimension - _computeTickLimit: function() { - return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); - }, - - convertTicksToLabels: function() { - var me = this; - - scale_linearbase.prototype.convertTicksToLabels.call(me); - - // Point labels - me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me); - }, - - getLabelForIndex: function(index, datasetIndex) { - return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); - }, - - fit: function() { - var me = this; - var opts = me.options; - - if (opts.display && opts.pointLabels.display) { - fitWithPointLabels(me); - } else { - me.setCenterPoint(0, 0, 0, 0); - } - }, - - /** - * Set radius reductions and determine new radius and center point - * @private - */ - setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) { - var me = this; - var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l); - var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r); - var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t); - var radiusReductionBottom = -Math.max(furthestLimits.b - (me.height - me.paddingTop), 0) / Math.cos(furthestAngles.b); - - radiusReductionLeft = numberOrZero(radiusReductionLeft); - radiusReductionRight = numberOrZero(radiusReductionRight); - radiusReductionTop = numberOrZero(radiusReductionTop); - radiusReductionBottom = numberOrZero(radiusReductionBottom); - - me.drawingArea = Math.min( - Math.floor(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2), - Math.floor(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2)); - me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom); - }, - - setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) { - var me = this; - var maxRight = me.width - rightMovement - me.drawingArea; - var maxLeft = leftMovement + me.drawingArea; - var maxTop = topMovement + me.drawingArea; - var maxBottom = (me.height - me.paddingTop) - bottomMovement - me.drawingArea; - - me.xCenter = Math.floor(((maxLeft + maxRight) / 2) + me.left); - me.yCenter = Math.floor(((maxTop + maxBottom) / 2) + me.top + me.paddingTop); - }, - - getIndexAngle: function(index) { - var angleMultiplier = (Math.PI * 2) / getValueCount(this); - var startAngle = this.chart.options && this.chart.options.startAngle ? - this.chart.options.startAngle : - 0; - - var startAngleRadians = startAngle * Math.PI * 2 / 360; - - // Start from the top instead of right, so remove a quarter of the circle - return index * angleMultiplier + startAngleRadians; - }, - - getDistanceFromCenterForValue: function(value) { - var me = this; - - if (value === null) { - return 0; // null always in center - } - - // Take into account half font size + the yPadding of the top value - var scalingFactor = me.drawingArea / (me.max - me.min); - if (me.options.ticks.reverse) { - return (me.max - value) * scalingFactor; - } - return (value - me.min) * scalingFactor; - }, - - getPointPosition: function(index, distanceFromCenter) { - var me = this; - var thisAngle = me.getIndexAngle(index) - (Math.PI / 2); - return { - x: Math.cos(thisAngle) * distanceFromCenter + me.xCenter, - y: Math.sin(thisAngle) * distanceFromCenter + me.yCenter - }; - }, - - getPointPositionForValue: function(index, value) { - return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); - }, - - getBasePosition: function() { - var me = this; - var min = me.min; - var max = me.max; - - return me.getPointPositionForValue(0, - me.beginAtZero ? 0 : - min < 0 && max < 0 ? max : - min > 0 && max > 0 ? min : - 0); - }, - - draw: function() { - var me = this; - var opts = me.options; - var gridLineOpts = opts.gridLines; - var tickOpts = opts.ticks; - - if (opts.display) { - var ctx = me.ctx; - var startAngle = this.getIndexAngle(0); - var tickFont = helpers$1.options._parseFont(tickOpts); - - if (opts.angleLines.display || opts.pointLabels.display) { - drawPointLabels(me); - } - - helpers$1.each(me.ticks, function(label, index) { - // Don't draw a centre value (if it is minimum) - if (index > 0 || tickOpts.reverse) { - var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]); - - // Draw circular lines around the scale - if (gridLineOpts.display && index !== 0) { - drawRadiusLine(me, gridLineOpts, yCenterOffset, index); - } - - if (tickOpts.display) { - var tickFontColor = valueOrDefault$b(tickOpts.fontColor, core_defaults.global.defaultFontColor); - ctx.font = tickFont.string; - - ctx.save(); - ctx.translate(me.xCenter, me.yCenter); - ctx.rotate(startAngle); - - if (tickOpts.showLabelBackdrop) { - var labelWidth = ctx.measureText(label).width; - ctx.fillStyle = tickOpts.backdropColor; - ctx.fillRect( - -labelWidth / 2 - tickOpts.backdropPaddingX, - -yCenterOffset - tickFont.size / 2 - tickOpts.backdropPaddingY, - labelWidth + tickOpts.backdropPaddingX * 2, - tickFont.size + tickOpts.backdropPaddingY * 2 - ); - } - - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - ctx.fillStyle = tickFontColor; - ctx.fillText(label, 0, -yCenterOffset); - ctx.restore(); - } - } - }); - } - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$3 = defaultConfig$3; -scale_radialLinear._defaults = _defaults$3; - -var valueOrDefault$c = helpers$1.valueOrDefault; - -// Integer constants are from the ES6 spec. -var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991; -var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991; - -var INTERVALS = { - millisecond: { - common: true, - size: 1, - steps: [1, 2, 5, 10, 20, 50, 100, 250, 500] - }, - second: { - common: true, - size: 1000, - steps: [1, 2, 5, 10, 15, 30] - }, - minute: { - common: true, - size: 60000, - steps: [1, 2, 5, 10, 15, 30] - }, - hour: { - common: true, - size: 3600000, - steps: [1, 2, 3, 6, 12] - }, - day: { - common: true, - size: 86400000, - steps: [1, 2, 5] - }, - week: { - common: false, - size: 604800000, - steps: [1, 2, 3, 4] - }, - month: { - common: true, - size: 2.628e9, - steps: [1, 2, 3] - }, - quarter: { - common: false, - size: 7.884e9, - steps: [1, 2, 3, 4] - }, - year: { - common: true, - size: 3.154e10 - } -}; - -var UNITS = Object.keys(INTERVALS); - -function sorter(a, b) { - return a - b; -} - -function arrayUnique(items) { - var hash = {}; - var out = []; - var i, ilen, item; - - for (i = 0, ilen = items.length; i < ilen; ++i) { - item = items[i]; - if (!hash[item]) { - hash[item] = true; - out.push(item); - } - } - - return out; -} - -/** - * Returns an array of {time, pos} objects used to interpolate a specific `time` or position - * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is - * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other - * extremity (left + width or top + height). Note that it would be more optimized to directly - * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need - * to create the lookup table. The table ALWAYS contains at least two items: min and max. - * - * @param {number[]} timestamps - timestamps sorted from lowest to highest. - * @param {string} distribution - If 'linear', timestamps will be spread linearly along the min - * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}. - * If 'series', timestamps will be positioned at the same distance from each other. In this - * case, only timestamps that break the time linearity are registered, meaning that in the - * best case, all timestamps are linear, the table contains only min and max. - */ -function buildLookupTable(timestamps, min, max, distribution) { - if (distribution === 'linear' || !timestamps.length) { - return [ - {time: min, pos: 0}, - {time: max, pos: 1} - ]; - } - - var table = []; - var items = [min]; - var i, ilen, prev, curr, next; - - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - curr = timestamps[i]; - if (curr > min && curr < max) { - items.push(curr); - } - } - - items.push(max); - - for (i = 0, ilen = items.length; i < ilen; ++i) { - next = items[i + 1]; - prev = items[i - 1]; - curr = items[i]; - - // only add points that breaks the scale linearity - if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) { - table.push({time: curr, pos: i / (ilen - 1)}); - } - } - - return table; -} - -// @see adapted from https://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/ -function lookup(table, key, value) { - var lo = 0; - var hi = table.length - 1; - var mid, i0, i1; - - while (lo >= 0 && lo <= hi) { - mid = (lo + hi) >> 1; - i0 = table[mid - 1] || null; - i1 = table[mid]; - - if (!i0) { - // given value is outside table (before first item) - return {lo: null, hi: i1}; - } else if (i1[key] < value) { - lo = mid + 1; - } else if (i0[key] > value) { - hi = mid - 1; - } else { - return {lo: i0, hi: i1}; - } - } - - // given value is outside table (after last item) - return {lo: i1, hi: null}; -} - -/** - * Linearly interpolates the given source `value` using the table items `skey` values and - * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos') - * returns the position for a timestamp equal to 42. If value is out of bounds, values at - * index [0, 1] or [n - 1, n] are used for the interpolation. - */ -function interpolate$1(table, skey, sval, tkey) { - var range = lookup(table, skey, sval); - - // Note: the lookup table ALWAYS contains at least 2 items (min and max) - var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo; - var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi; - - var span = next[skey] - prev[skey]; - var ratio = span ? (sval - prev[skey]) / span : 0; - var offset = (next[tkey] - prev[tkey]) * ratio; - - return prev[tkey] + offset; -} - -function toTimestamp(scale, input) { - var adapter = scale._adapter; - var options = scale.options.time; - var parser = options.parser; - var format = parser || options.format; - var value = input; - - if (typeof parser === 'function') { - value = parser(value); - } - - // Only parse if its not a timestamp already - if (!helpers$1.isFinite(value)) { - value = typeof format === 'string' - ? adapter.parse(value, format) - : adapter.parse(value); - } - - if (value !== null) { - return +value; - } - - // Labels are in an incompatible format and no `parser` has been provided. - // The user might still use the deprecated `format` option for parsing. - if (!parser && typeof format === 'function') { - value = format(input); - - // `format` could return something else than a timestamp, if so, parse it - if (!helpers$1.isFinite(value)) { - value = adapter.parse(value); - } - } - - return value; -} - -function parse(scale, input) { - if (helpers$1.isNullOrUndef(input)) { - return null; - } - - var options = scale.options.time; - var value = toTimestamp(scale, scale.getRightValue(input)); - if (value === null) { - return value; - } - - if (options.round) { - value = +scale._adapter.startOf(value, options.round); - } - - return value; -} - -/** - * Returns the number of unit to skip to be able to display up to `capacity` number of ticks - * in `unit` for the given `min` / `max` range and respecting the interval steps constraints. - */ -function determineStepSize(min, max, unit, capacity) { - var range = max - min; - var interval = INTERVALS[unit]; - var milliseconds = interval.size; - var steps = interval.steps; - var i, ilen, factor; - - if (!steps) { - return Math.ceil(range / (capacity * milliseconds)); - } - - for (i = 0, ilen = steps.length; i < ilen; ++i) { - factor = steps[i]; - if (Math.ceil(range / (milliseconds * factor)) <= capacity) { - break; - } - } - - return factor; -} - -/** - * Figures out what unit results in an appropriate number of auto-generated ticks - */ -function determineUnitForAutoTicks(minUnit, min, max, capacity) { - var ilen = UNITS.length; - var i, interval, factor; - - for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { - interval = INTERVALS[UNITS[i]]; - factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER; - - if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { - return UNITS[i]; - } - } - - return UNITS[ilen - 1]; -} - -/** - * Figures out what unit to format a set of ticks with - */ -function determineUnitForFormatting(scale, ticks, minUnit, min, max) { - var ilen = UNITS.length; - var i, unit; - - for (i = ilen - 1; i >= UNITS.indexOf(minUnit); i--) { - unit = UNITS[i]; - if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= ticks.length) { - return unit; - } - } - - return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; -} - -function determineMajorUnit(unit) { - for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { - if (INTERVALS[UNITS[i]].common) { - return UNITS[i]; - } - } -} - -/** - * Generates a maximum of `capacity` timestamps between min and max, rounded to the - * `minor` unit, aligned on the `major` unit and using the given scale time `options`. - * Important: this method can return ticks outside the min and max range, it's the - * responsibility of the calling code to clamp values if needed. - */ -function generate(scale, min, max, capacity) { - var adapter = scale._adapter; - var options = scale.options; - var timeOpts = options.time; - var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity); - var major = determineMajorUnit(minor); - var stepSize = valueOrDefault$c(timeOpts.stepSize, timeOpts.unitStepSize); - var weekday = minor === 'week' ? timeOpts.isoWeekday : false; - var majorTicksEnabled = options.ticks.major.enabled; - var interval = INTERVALS[minor]; - var first = min; - var last = max; - var ticks = []; - var time; - - if (!stepSize) { - stepSize = determineStepSize(min, max, minor, capacity); - } - - // For 'week' unit, handle the first day of week option - if (weekday) { - first = +adapter.startOf(first, 'isoWeek', weekday); - last = +adapter.startOf(last, 'isoWeek', weekday); - } - - // Align first/last ticks on unit - first = +adapter.startOf(first, weekday ? 'day' : minor); - last = +adapter.startOf(last, weekday ? 'day' : minor); - - // Make sure that the last tick include max - if (last < max) { - last = +adapter.add(last, 1, minor); - } - - time = first; - - if (majorTicksEnabled && major && !weekday && !timeOpts.round) { - // Align the first tick on the previous `minor` unit aligned on the `major` unit: - // we first aligned time on the previous `major` unit then add the number of full - // stepSize there is between first and the previous major time. - time = +adapter.startOf(time, major); - time = +adapter.add(time, ~~((first - time) / (interval.size * stepSize)) * stepSize, minor); - } - - for (; time < last; time = +adapter.add(time, stepSize, minor)) { - ticks.push(+time); - } - - ticks.push(+time); - - return ticks; -} - -/** - * Returns the start and end offsets from edges in the form of {start, end} - * where each value is a relative width to the scale and ranges between 0 and 1. - * They add extra margins on the both sides by scaling down the original scale. - * Offsets are added when the `offset` option is true. - */ -function computeOffsets(table, ticks, min, max, options) { - var start = 0; - var end = 0; - var first, last; - - if (options.offset && ticks.length) { - if (!options.time.min) { - first = interpolate$1(table, 'time', ticks[0], 'pos'); - if (ticks.length === 1) { - start = 1 - first; - } else { - start = (interpolate$1(table, 'time', ticks[1], 'pos') - first) / 2; - } - } - if (!options.time.max) { - last = interpolate$1(table, 'time', ticks[ticks.length - 1], 'pos'); - if (ticks.length === 1) { - end = last; - } else { - end = (last - interpolate$1(table, 'time', ticks[ticks.length - 2], 'pos')) / 2; - } - } - } - - return {start: start, end: end}; -} - -function ticksFromTimestamps(scale, values, majorUnit) { - var ticks = []; - var i, ilen, value, major; - - for (i = 0, ilen = values.length; i < ilen; ++i) { - value = values[i]; - major = majorUnit ? value === +scale._adapter.startOf(value, majorUnit) : false; - - ticks.push({ - value: value, - major: major - }); - } - - return ticks; -} - -var defaultConfig$4 = { - position: 'bottom', - - /** - * Data distribution along the scale: - * - 'linear': data are spread according to their time (distances can vary), - * - 'series': data are spread at the same distance from each other. - * @see https://github.com/chartjs/Chart.js/pull/4507 - * @since 2.7.0 - */ - distribution: 'linear', - - /** - * Scale boundary strategy (bypassed by min/max time options) - * - `data`: make sure data are fully visible, ticks outside are removed - * - `ticks`: make sure ticks are fully visible, data outside are truncated - * @see https://github.com/chartjs/Chart.js/pull/4556 - * @since 2.7.0 - */ - bounds: 'data', - - adapters: {}, - time: { - parser: false, // false == a pattern string from https://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment - format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from https://momentjs.com/docs/#/parsing/string-format/ - unit: false, // false == automatic or override with week, month, year, etc. - round: false, // none, or override with week, month, year, etc. - displayFormat: false, // DEPRECATED - isoWeekday: false, // override week start day - see https://momentjs.com/docs/#/get-set/iso-weekday/ - minUnit: 'millisecond', - displayFormats: {} - }, - ticks: { - autoSkip: false, - - /** - * Ticks generation input values: - * - 'auto': generates "optimal" ticks based on scale size and time options. - * - 'data': generates ticks from data (including labels from data {t|x|y} objects). - * - 'labels': generates ticks from user given `data.labels` values ONLY. - * @see https://github.com/chartjs/Chart.js/pull/4507 - * @since 2.7.0 - */ - source: 'auto', - - major: { - enabled: false - } - } -}; - -var scale_time = core_scale.extend({ - initialize: function() { - this.mergeTicksOptions(); - core_scale.prototype.initialize.call(this); - }, - - update: function() { - var me = this; - var options = me.options; - var time = options.time || (options.time = {}); - var adapter = me._adapter = new core_adapters._date(options.adapters.date); - - // DEPRECATIONS: output a message only one time per update - if (time.format) { - console.warn('options.time.format is deprecated and replaced by options.time.parser.'); - } - - // Backward compatibility: before introducing adapter, `displayFormats` was - // supposed to contain *all* unit/string pairs but this can't be resolved - // when loading the scale (adapters are loaded afterward), so let's populate - // missing formats on update - helpers$1.mergeIf(time.displayFormats, adapter.formats()); - - return core_scale.prototype.update.apply(me, arguments); - }, - - /** - * Allows data to be referenced via 't' attribute - */ - getRightValue: function(rawValue) { - if (rawValue && rawValue.t !== undefined) { - rawValue = rawValue.t; - } - return core_scale.prototype.getRightValue.call(this, rawValue); - }, - - determineDataLimits: function() { - var me = this; - var chart = me.chart; - var adapter = me._adapter; - var timeOpts = me.options.time; - var unit = timeOpts.unit || 'day'; - var min = MAX_INTEGER; - var max = MIN_INTEGER; - var timestamps = []; - var datasets = []; - var labels = []; - var i, j, ilen, jlen, data, timestamp; - var dataLabels = chart.data.labels || []; - - // Convert labels to timestamps - for (i = 0, ilen = dataLabels.length; i < ilen; ++i) { - labels.push(parse(me, dataLabels[i])); - } - - // Convert data to timestamps - for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { - if (chart.isDatasetVisible(i)) { - data = chart.data.datasets[i].data; - - // Let's consider that all data have the same format. - if (helpers$1.isObject(data[0])) { - datasets[i] = []; - - for (j = 0, jlen = data.length; j < jlen; ++j) { - timestamp = parse(me, data[j]); - timestamps.push(timestamp); - datasets[i][j] = timestamp; - } - } else { - for (j = 0, jlen = labels.length; j < jlen; ++j) { - timestamps.push(labels[j]); - } - datasets[i] = labels.slice(0); - } - } else { - datasets[i] = []; - } - } - - if (labels.length) { - // Sort labels **after** data have been converted - labels = arrayUnique(labels).sort(sorter); - min = Math.min(min, labels[0]); - max = Math.max(max, labels[labels.length - 1]); - } - - if (timestamps.length) { - timestamps = arrayUnique(timestamps).sort(sorter); - min = Math.min(min, timestamps[0]); - max = Math.max(max, timestamps[timestamps.length - 1]); - } - - min = parse(me, timeOpts.min) || min; - max = parse(me, timeOpts.max) || max; - - // In case there is no valid min/max, set limits based on unit time option - min = min === MAX_INTEGER ? +adapter.startOf(Date.now(), unit) : min; - max = max === MIN_INTEGER ? +adapter.endOf(Date.now(), unit) + 1 : max; - - // Make sure that max is strictly higher than min (required by the lookup table) - me.min = Math.min(min, max); - me.max = Math.max(min + 1, max); - - // PRIVATE - me._horizontal = me.isHorizontal(); - me._table = []; - me._timestamps = { - data: timestamps, - datasets: datasets, - labels: labels - }; - }, - - buildTicks: function() { - var me = this; - var min = me.min; - var max = me.max; - var options = me.options; - var timeOpts = options.time; - var timestamps = []; - var ticks = []; - var i, ilen, timestamp; - - switch (options.ticks.source) { - case 'data': - timestamps = me._timestamps.data; - break; - case 'labels': - timestamps = me._timestamps.labels; - break; - case 'auto': - default: - timestamps = generate(me, min, max, me.getLabelCapacity(min), options); - } - - if (options.bounds === 'ticks' && timestamps.length) { - min = timestamps[0]; - max = timestamps[timestamps.length - 1]; - } - - // Enforce limits with user min/max options - min = parse(me, timeOpts.min) || min; - max = parse(me, timeOpts.max) || max; - - // Remove ticks outside the min/max range - for (i = 0, ilen = timestamps.length; i < ilen; ++i) { - timestamp = timestamps[i]; - if (timestamp >= min && timestamp <= max) { - ticks.push(timestamp); - } - } - - me.min = min; - me.max = max; - - // PRIVATE - me._unit = timeOpts.unit || determineUnitForFormatting(me, ticks, timeOpts.minUnit, me.min, me.max); - me._majorUnit = determineMajorUnit(me._unit); - me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution); - me._offsets = computeOffsets(me._table, ticks, min, max, options); - - if (options.ticks.reverse) { - ticks.reverse(); - } - - return ticksFromTimestamps(me, ticks, me._majorUnit); - }, - - getLabelForIndex: function(index, datasetIndex) { - var me = this; - var adapter = me._adapter; - var data = me.chart.data; - var timeOpts = me.options.time; - var label = data.labels && index < data.labels.length ? data.labels[index] : ''; - var value = data.datasets[datasetIndex].data[index]; - - if (helpers$1.isObject(value)) { - label = me.getRightValue(value); - } - if (timeOpts.tooltipFormat) { - return adapter.format(toTimestamp(me, label), timeOpts.tooltipFormat); - } - if (typeof label === 'string') { - return label; - } - return adapter.format(toTimestamp(me, label), timeOpts.displayFormats.datetime); - }, - - /** - * Function to format an individual tick mark - * @private - */ - tickFormatFunction: function(time, index, ticks, format) { - var me = this; - var adapter = me._adapter; - var options = me.options; - var formats = options.time.displayFormats; - var minorFormat = formats[me._unit]; - var majorUnit = me._majorUnit; - var majorFormat = formats[majorUnit]; - var majorTime = +adapter.startOf(time, majorUnit); - var majorTickOpts = options.ticks.major; - var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime; - var label = adapter.format(time, format ? format : major ? majorFormat : minorFormat); - var tickOpts = major ? majorTickOpts : options.ticks.minor; - var formatter = valueOrDefault$c(tickOpts.callback, tickOpts.userCallback); - - return formatter ? formatter(label, index, ticks) : label; - }, - - convertTicksToLabels: function(ticks) { - var labels = []; - var i, ilen; - - for (i = 0, ilen = ticks.length; i < ilen; ++i) { - labels.push(this.tickFormatFunction(ticks[i].value, i, ticks)); - } - - return labels; - }, - - /** - * @private - */ - getPixelForOffset: function(time) { - var me = this; - var isReverse = me.options.ticks.reverse; - var size = me._horizontal ? me.width : me.height; - var start = me._horizontal ? isReverse ? me.right : me.left : isReverse ? me.bottom : me.top; - var pos = interpolate$1(me._table, 'time', time, 'pos'); - var offset = size * (me._offsets.start + pos) / (me._offsets.start + 1 + me._offsets.end); - - return isReverse ? start - offset : start + offset; - }, - - getPixelForValue: function(value, index, datasetIndex) { - var me = this; - var time = null; - - if (index !== undefined && datasetIndex !== undefined) { - time = me._timestamps.datasets[datasetIndex][index]; - } - - if (time === null) { - time = parse(me, value); - } - - if (time !== null) { - return me.getPixelForOffset(time); - } - }, - - getPixelForTick: function(index) { - var ticks = this.getTicks(); - return index >= 0 && index < ticks.length ? - this.getPixelForOffset(ticks[index].value) : - null; - }, - - getValueForPixel: function(pixel) { - var me = this; - var size = me._horizontal ? me.width : me.height; - var start = me._horizontal ? me.left : me.top; - var pos = (size ? (pixel - start) / size : 0) * (me._offsets.start + 1 + me._offsets.start) - me._offsets.end; - var time = interpolate$1(me._table, 'pos', pos, 'time'); - - // DEPRECATION, we should return time directly - return me._adapter._create(time); - }, - - /** - * Crude approximation of what the label width might be - * @private - */ - getLabelWidth: function(label) { - var me = this; - var ticksOpts = me.options.ticks; - var tickLabelWidth = me.ctx.measureText(label).width; - var angle = helpers$1.toRadians(ticksOpts.maxRotation); - var cosRotation = Math.cos(angle); - var sinRotation = Math.sin(angle); - var tickFontSize = valueOrDefault$c(ticksOpts.fontSize, core_defaults.global.defaultFontSize); - - return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation); - }, - - /** - * @private - */ - getLabelCapacity: function(exampleTime) { - var me = this; - - // pick the longest format (milliseconds) for guestimation - var format = me.options.time.displayFormats.millisecond; - var exampleLabel = me.tickFormatFunction(exampleTime, 0, [], format); - var tickLabelWidth = me.getLabelWidth(exampleLabel); - var innerWidth = me.isHorizontal() ? me.width : me.height; - var capacity = Math.floor(innerWidth / tickLabelWidth); - - return capacity > 0 ? capacity : 1; - } -}); - -// INTERNAL: static default options, registered in src/index.js -var _defaults$4 = defaultConfig$4; -scale_time._defaults = _defaults$4; - -var scales = { - category: scale_category, - linear: scale_linear, - logarithmic: scale_logarithmic, - radialLinear: scale_radialLinear, - time: scale_time -}; - -var FORMATS = { - datetime: 'MMM D, YYYY, h:mm:ss a', - millisecond: 'h:mm:ss.SSS a', - second: 'h:mm:ss a', - minute: 'h:mm a', - hour: 'hA', - day: 'MMM D', - week: 'll', - month: 'MMM YYYY', - quarter: '[Q]Q - YYYY', - year: 'YYYY' -}; - -core_adapters._date.override(typeof moment === 'function' ? { - _id: 'moment', // DEBUG ONLY - - formats: function() { - return FORMATS; - }, - - parse: function(value, format) { - if (typeof value === 'string' && typeof format === 'string') { - value = moment(value, format); - } else if (!(value instanceof moment)) { - value = moment(value); - } - return value.isValid() ? value.valueOf() : null; - }, - - format: function(time, format) { - return moment(time).format(format); - }, - - add: function(time, amount, unit) { - return moment(time).add(amount, unit).valueOf(); - }, - - diff: function(max, min, unit) { - return moment.duration(moment(max).diff(moment(min))).as(unit); - }, - - startOf: function(time, unit, weekday) { - time = moment(time); - if (unit === 'isoWeek') { - return time.isoWeekday(weekday).valueOf(); - } - return time.startOf(unit).valueOf(); - }, - - endOf: function(time, unit) { - return moment(time).endOf(unit).valueOf(); - }, - - // DEPRECATIONS - - /** - * Provided for backward compatibility with scale.getValueForPixel(). - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ - _create: function(time) { - return moment(time); - }, -} : {}); - -core_defaults._set('global', { - plugins: { - filler: { - propagate: true - } - } -}); - -var mappers = { - dataset: function(source) { - var index = source.fill; - var chart = source.chart; - var meta = chart.getDatasetMeta(index); - var visible = meta && chart.isDatasetVisible(index); - var points = (visible && meta.dataset._children) || []; - var length = points.length || 0; - - return !length ? null : function(point, i) { - return (i < length && points[i]._view) || null; - }; - }, - - boundary: function(source) { - var boundary = source.boundary; - var x = boundary ? boundary.x : null; - var y = boundary ? boundary.y : null; - - return function(point) { - return { - x: x === null ? point.x : x, - y: y === null ? point.y : y, - }; - }; - } -}; - -// @todo if (fill[0] === '#') -function decodeFill(el, index, count) { - var model = el._model || {}; - var fill = model.fill; - var target; - - if (fill === undefined) { - fill = !!model.backgroundColor; - } - - if (fill === false || fill === null) { - return false; - } - - if (fill === true) { - return 'origin'; - } - - target = parseFloat(fill, 10); - if (isFinite(target) && Math.floor(target) === target) { - if (fill[0] === '-' || fill[0] === '+') { - target = index + target; - } - - if (target === index || target < 0 || target >= count) { - return false; - } - - return target; - } - - switch (fill) { - // compatibility - case 'bottom': - return 'start'; - case 'top': - return 'end'; - case 'zero': - return 'origin'; - // supported boundaries - case 'origin': - case 'start': - case 'end': - return fill; - // invalid fill values - default: - return false; - } -} - -function computeBoundary(source) { - var model = source.el._model || {}; - var scale = source.el._scale || {}; - var fill = source.fill; - var target = null; - var horizontal; - - if (isFinite(fill)) { - return null; - } - - // Backward compatibility: until v3, we still need to support boundary values set on - // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and - // controllers might still use it (e.g. the Smith chart). - - if (fill === 'start') { - target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom; - } else if (fill === 'end') { - target = model.scaleTop === undefined ? scale.top : model.scaleTop; - } else if (model.scaleZero !== undefined) { - target = model.scaleZero; - } else if (scale.getBasePosition) { - target = scale.getBasePosition(); - } else if (scale.getBasePixel) { - target = scale.getBasePixel(); - } - - if (target !== undefined && target !== null) { - if (target.x !== undefined && target.y !== undefined) { - return target; - } - - if (helpers$1.isFinite(target)) { - horizontal = scale.isHorizontal(); - return { - x: horizontal ? target : null, - y: horizontal ? null : target - }; - } - } - - return null; -} - -function resolveTarget(sources, index, propagate) { - var source = sources[index]; - var fill = source.fill; - var visited = [index]; - var target; - - if (!propagate) { - return fill; - } - - while (fill !== false && visited.indexOf(fill) === -1) { - if (!isFinite(fill)) { - return fill; - } - - target = sources[fill]; - if (!target) { - return false; - } - - if (target.visible) { - return fill; - } - - visited.push(fill); - fill = target.fill; - } - - return false; -} - -function createMapper(source) { - var fill = source.fill; - var type = 'dataset'; - - if (fill === false) { - return null; - } - - if (!isFinite(fill)) { - type = 'boundary'; - } - - return mappers[type](source); -} - -function isDrawable(point) { - return point && !point.skip; -} - -function drawArea(ctx, curve0, curve1, len0, len1) { - var i; - - if (!len0 || !len1) { - return; - } - - // building first area curve (normal) - ctx.moveTo(curve0[0].x, curve0[0].y); - for (i = 1; i < len0; ++i) { - helpers$1.canvas.lineTo(ctx, curve0[i - 1], curve0[i]); - } - - // joining the two area curves - ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y); - - // building opposite area curve (reverse) - for (i = len1 - 1; i > 0; --i) { - helpers$1.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true); - } -} - -function doFill(ctx, points, mapper, view, color, loop) { - var count = points.length; - var span = view.spanGaps; - var curve0 = []; - var curve1 = []; - var len0 = 0; - var len1 = 0; - var i, ilen, index, p0, p1, d0, d1; - - ctx.beginPath(); - - for (i = 0, ilen = (count + !!loop); i < ilen; ++i) { - index = i % count; - p0 = points[index]._view; - p1 = mapper(p0, index, view); - d0 = isDrawable(p0); - d1 = isDrawable(p1); - - if (d0 && d1) { - len0 = curve0.push(p0); - len1 = curve1.push(p1); - } else if (len0 && len1) { - if (!span) { - drawArea(ctx, curve0, curve1, len0, len1); - len0 = len1 = 0; - curve0 = []; - curve1 = []; - } else { - if (d0) { - curve0.push(p0); - } - if (d1) { - curve1.push(p1); - } - } - } - } - - drawArea(ctx, curve0, curve1, len0, len1); - - ctx.closePath(); - ctx.fillStyle = color; - ctx.fill(); -} - -var plugin_filler = { - id: 'filler', - - afterDatasetsUpdate: function(chart, options) { - var count = (chart.data.datasets || []).length; - var propagate = options.propagate; - var sources = []; - var meta, i, el, source; - - for (i = 0; i < count; ++i) { - meta = chart.getDatasetMeta(i); - el = meta.dataset; - source = null; - - if (el && el._model && el instanceof elements.Line) { - source = { - visible: chart.isDatasetVisible(i), - fill: decodeFill(el, i, count), - chart: chart, - el: el - }; - } - - meta.$filler = source; - sources.push(source); - } - - for (i = 0; i < count; ++i) { - source = sources[i]; - if (!source) { - continue; - } - - source.fill = resolveTarget(sources, i, propagate); - source.boundary = computeBoundary(source); - source.mapper = createMapper(source); - } - }, - - beforeDatasetDraw: function(chart, args) { - var meta = args.meta.$filler; - if (!meta) { - return; - } - - var ctx = chart.ctx; - var el = meta.el; - var view = el._view; - var points = el._children || []; - var mapper = meta.mapper; - var color = view.backgroundColor || core_defaults.global.defaultColor; - - if (mapper && color && points.length) { - helpers$1.canvas.clipArea(ctx, chart.chartArea); - doFill(ctx, points, mapper, view, color, el._loop); - helpers$1.canvas.unclipArea(ctx); - } - } -}; - -var noop$1 = helpers$1.noop; -var valueOrDefault$d = helpers$1.valueOrDefault; - -core_defaults._set('global', { - legend: { - display: true, - position: 'top', - fullWidth: true, - reverse: false, - weight: 1000, - - // a callback that will handle - onClick: function(e, legendItem) { - var index = legendItem.datasetIndex; - var ci = this.chart; - var meta = ci.getDatasetMeta(index); - - // See controller.isDatasetVisible comment - meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null; - - // We hid a dataset ... rerender the chart - ci.update(); - }, - - onHover: null, - onLeave: null, - - labels: { - boxWidth: 40, - padding: 10, - // Generates labels shown in the legend - // Valid properties to return: - // text : text to display - // fillStyle : fill of coloured box - // strokeStyle: stroke of coloured box - // hidden : if this legend item refers to a hidden item - // lineCap : cap style for line - // lineDash - // lineDashOffset : - // lineJoin : - // lineWidth : - generateLabels: function(chart) { - var data = chart.data; - return helpers$1.isArray(data.datasets) ? data.datasets.map(function(dataset, i) { - return { - text: dataset.label, - fillStyle: (!helpers$1.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]), - hidden: !chart.isDatasetVisible(i), - lineCap: dataset.borderCapStyle, - lineDash: dataset.borderDash, - lineDashOffset: dataset.borderDashOffset, - lineJoin: dataset.borderJoinStyle, - lineWidth: dataset.borderWidth, - strokeStyle: dataset.borderColor, - pointStyle: dataset.pointStyle, - - // Below is extra data used for toggling the datasets - datasetIndex: i - }; - }, this) : []; - } - } - }, - - legendCallback: function(chart) { - var text = []; - text.push('
    '); - for (var i = 0; i < chart.data.datasets.length; i++) { - text.push('
  • '); - if (chart.data.datasets[i].label) { - text.push(chart.data.datasets[i].label); - } - text.push('
    • '); - } - text.push('
'); - return text.join(''); - } -}); - -/** - * Helper function to get the box width based on the usePointStyle option - * @param {object} labelopts - the label options on the legend - * @param {number} fontSize - the label font size - * @return {number} width of the color box area - */ -function getBoxWidth(labelOpts, fontSize) { - return labelOpts.usePointStyle && labelOpts.boxWidth > fontSize ? - fontSize : - labelOpts.boxWidth; -} - -/** - * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! - */ -var Legend = core_element.extend({ - - initialize: function(config) { - helpers$1.extend(this, config); - - // Contains hit boxes for each dataset (in dataset order) - this.legendHitBoxes = []; - - /** - * @private - */ - this._hoveredItem = null; - - // Are we in doughnut mode which has a different data type - this.doughnutMode = false; - }, - - // These methods are ordered by lifecycle. Utilities then follow. - // Any function defined here is inherited by all legend types. - // Any function can be extended by the legend type - - beforeUpdate: noop$1, - update: function(maxWidth, maxHeight, margins) { - var me = this; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = margins; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - // Labels - me.beforeBuildLabels(); - me.buildLabels(); - me.afterBuildLabels(); - - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - }, - afterUpdate: noop$1, - - // - - beforeSetDimensions: noop$1, - setDimensions: function() { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - - // Reset minSize - me.minSize = { - width: 0, - height: 0 - }; - }, - afterSetDimensions: noop$1, - - // - - beforeBuildLabels: noop$1, - buildLabels: function() { - var me = this; - var labelOpts = me.options.labels || {}; - var legendItems = helpers$1.callback(labelOpts.generateLabels, [me.chart], me) || []; - - if (labelOpts.filter) { - legendItems = legendItems.filter(function(item) { - return labelOpts.filter(item, me.chart.data); - }); - } - - if (me.options.reverse) { - legendItems.reverse(); - } - - me.legendItems = legendItems; - }, - afterBuildLabels: noop$1, - - // - - beforeFit: noop$1, - fit: function() { - var me = this; - var opts = me.options; - var labelOpts = opts.labels; - var display = opts.display; - - var ctx = me.ctx; - - var labelFont = helpers$1.options._parseFont(labelOpts); - var fontSize = labelFont.size; - - // Reset hit boxes - var hitboxes = me.legendHitBoxes = []; - - var minSize = me.minSize; - var isHorizontal = me.isHorizontal(); - - if (isHorizontal) { - minSize.width = me.maxWidth; // fill all the width - minSize.height = display ? 10 : 0; - } else { - minSize.width = display ? 10 : 0; - minSize.height = me.maxHeight; // fill all the height - } - - // Increase sizes here - if (display) { - ctx.font = labelFont.string; - - if (isHorizontal) { - // Labels - - // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one - var lineWidths = me.lineWidths = [0]; - var totalHeight = 0; - - ctx.textAlign = 'left'; - ctx.textBaseline = 'top'; - - helpers$1.each(me.legendItems, function(legendItem, i) { - var boxWidth = getBoxWidth(labelOpts, fontSize); - var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - - if (i === 0 || lineWidths[lineWidths.length - 1] + width + labelOpts.padding > minSize.width) { - totalHeight += fontSize + labelOpts.padding; - lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = labelOpts.padding; - } - - // Store the hitbox width and height here. Final position will be updated in `draw` - hitboxes[i] = { - left: 0, - top: 0, - width: width, - height: fontSize - }; - - lineWidths[lineWidths.length - 1] += width + labelOpts.padding; - }); - - minSize.height += totalHeight; - - } else { - var vPadding = labelOpts.padding; - var columnWidths = me.columnWidths = []; - var totalWidth = labelOpts.padding; - var currentColWidth = 0; - var currentColHeight = 0; - var itemHeight = fontSize + vPadding; - - helpers$1.each(me.legendItems, function(legendItem, i) { - var boxWidth = getBoxWidth(labelOpts, fontSize); - var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; - - // If too tall, go to new column - if (i > 0 && currentColHeight + itemHeight > minSize.height - vPadding) { - totalWidth += currentColWidth + labelOpts.padding; - columnWidths.push(currentColWidth); // previous column width - - currentColWidth = 0; - currentColHeight = 0; - } - - // Get max width - currentColWidth = Math.max(currentColWidth, itemWidth); - currentColHeight += itemHeight; - - // Store the hitbox width and height here. Final position will be updated in `draw` - hitboxes[i] = { - left: 0, - top: 0, - width: itemWidth, - height: fontSize - }; - }); - - totalWidth += currentColWidth; - columnWidths.push(currentColWidth); - minSize.width += totalWidth; - } - } - - me.width = minSize.width; - me.height = minSize.height; - }, - afterFit: noop$1, - - // Shared Methods - isHorizontal: function() { - return this.options.position === 'top' || this.options.position === 'bottom'; - }, - - // Actually draw the legend on the canvas - draw: function() { - var me = this; - var opts = me.options; - var labelOpts = opts.labels; - var globalDefaults = core_defaults.global; - var defaultColor = globalDefaults.defaultColor; - var lineDefault = globalDefaults.elements.line; - var legendWidth = me.width; - var lineWidths = me.lineWidths; - - if (opts.display) { - var ctx = me.ctx; - var fontColor = valueOrDefault$d(labelOpts.fontColor, globalDefaults.defaultFontColor); - var labelFont = helpers$1.options._parseFont(labelOpts); - var fontSize = labelFont.size; - var cursor; - - // Canvas setup - ctx.textAlign = 'left'; - ctx.textBaseline = 'middle'; - ctx.lineWidth = 0.5; - ctx.strokeStyle = fontColor; // for strikethrough effect - ctx.fillStyle = fontColor; // render in correct colour - ctx.font = labelFont.string; - - var boxWidth = getBoxWidth(labelOpts, fontSize); - var hitboxes = me.legendHitBoxes; - - // current position - var drawLegendBox = function(x, y, legendItem) { - if (isNaN(boxWidth) || boxWidth <= 0) { - return; - } - - // Set the ctx for the box - ctx.save(); - - var lineWidth = valueOrDefault$d(legendItem.lineWidth, lineDefault.borderWidth); - ctx.fillStyle = valueOrDefault$d(legendItem.fillStyle, defaultColor); - ctx.lineCap = valueOrDefault$d(legendItem.lineCap, lineDefault.borderCapStyle); - ctx.lineDashOffset = valueOrDefault$d(legendItem.lineDashOffset, lineDefault.borderDashOffset); - ctx.lineJoin = valueOrDefault$d(legendItem.lineJoin, lineDefault.borderJoinStyle); - ctx.lineWidth = lineWidth; - ctx.strokeStyle = valueOrDefault$d(legendItem.strokeStyle, defaultColor); - - if (ctx.setLineDash) { - // IE 9 and 10 do not support line dash - ctx.setLineDash(valueOrDefault$d(legendItem.lineDash, lineDefault.borderDash)); - } - - if (opts.labels && opts.labels.usePointStyle) { - // Recalculate x and y for drawPoint() because its expecting - // x and y to be center of figure (instead of top left) - var radius = boxWidth * Math.SQRT2 / 2; - var centerX = x + boxWidth / 2; - var centerY = y + fontSize / 2; - - // Draw pointStyle as legend symbol - helpers$1.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY); - } else { - // Draw box as legend symbol - if (lineWidth !== 0) { - ctx.strokeRect(x, y, boxWidth, fontSize); - } - ctx.fillRect(x, y, boxWidth, fontSize); - } - - ctx.restore(); - }; - var fillText = function(x, y, legendItem, textWidth) { - var halfFontSize = fontSize / 2; - var xLeft = boxWidth + halfFontSize + x; - var yMiddle = y + halfFontSize; - - ctx.fillText(legendItem.text, xLeft, yMiddle); - - if (legendItem.hidden) { - // Strikethrough the text if hidden - ctx.beginPath(); - ctx.lineWidth = 2; - ctx.moveTo(xLeft, yMiddle); - ctx.lineTo(xLeft + textWidth, yMiddle); - ctx.stroke(); - } - }; - - // Horizontal - var isHorizontal = me.isHorizontal(); - if (isHorizontal) { - cursor = { - x: me.left + ((legendWidth - lineWidths[0]) / 2) + labelOpts.padding, - y: me.top + labelOpts.padding, - line: 0 - }; - } else { - cursor = { - x: me.left + labelOpts.padding, - y: me.top + labelOpts.padding, - line: 0 - }; - } - - var itemHeight = fontSize + labelOpts.padding; - helpers$1.each(me.legendItems, function(legendItem, i) { - var textWidth = ctx.measureText(legendItem.text).width; - var width = boxWidth + (fontSize / 2) + textWidth; - var x = cursor.x; - var y = cursor.y; - - // Use (me.left + me.minSize.width) and (me.top + me.minSize.height) - // instead of me.right and me.bottom because me.width and me.height - // may have been changed since me.minSize was calculated - if (isHorizontal) { - if (i > 0 && x + width + labelOpts.padding > me.left + me.minSize.width) { - y = cursor.y += itemHeight; - cursor.line++; - x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2) + labelOpts.padding; - } - } else if (i > 0 && y + itemHeight > me.top + me.minSize.height) { - x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding; - y = cursor.y = me.top + labelOpts.padding; - cursor.line++; - } - - drawLegendBox(x, y, legendItem); - - hitboxes[i].left = x; - hitboxes[i].top = y; - - // Fill the actual label - fillText(x, y, legendItem, textWidth); - - if (isHorizontal) { - cursor.x += width + labelOpts.padding; - } else { - cursor.y += itemHeight; - } - - }); - } - }, - - /** - * @private - */ - _getLegendItemAt: function(x, y) { - var me = this; - var i, hitBox, lh; - - if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) { - // See if we are touching one of the dataset boxes - lh = me.legendHitBoxes; - for (i = 0; i < lh.length; ++i) { - hitBox = lh[i]; - - if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) { - // Touching an element - return me.legendItems[i]; - } - } - } - - return null; - }, - - /** - * Handle an event - * @private - * @param {IEvent} event - The event to handle - */ - handleEvent: function(e) { - var me = this; - var opts = me.options; - var type = e.type === 'mouseup' ? 'click' : e.type; - var hoveredItem; - - if (type === 'mousemove') { - if (!opts.onHover && !opts.onLeave) { - return; - } - } else if (type === 'click') { - if (!opts.onClick) { - return; - } - } else { - return; - } - - // Chart event already has relative position in it - hoveredItem = me._getLegendItemAt(e.x, e.y); - - if (type === 'click') { - if (hoveredItem && opts.onClick) { - // use e.native for backwards compatibility - opts.onClick.call(me, e.native, hoveredItem); - } - } else { - if (opts.onLeave && hoveredItem !== me._hoveredItem) { - if (me._hoveredItem) { - opts.onLeave.call(me, e.native, me._hoveredItem); - } - me._hoveredItem = hoveredItem; - } - - if (opts.onHover && hoveredItem) { - // use e.native for backwards compatibility - opts.onHover.call(me, e.native, hoveredItem); - } - } - } -}); - -function createNewLegendAndAttach(chart, legendOpts) { - var legend = new Legend({ - ctx: chart.ctx, - options: legendOpts, - chart: chart - }); - - core_layouts.configure(chart, legend, legendOpts); - core_layouts.addBox(chart, legend); - chart.legend = legend; -} - -var plugin_legend = { - id: 'legend', - - /** - * Backward compatibility: since 2.1.5, the legend is registered as a plugin, making - * Chart.Legend obsolete. To avoid a breaking change, we export the Legend as part of - * the plugin, which one will be re-exposed in the chart.js file. - * https://github.com/chartjs/Chart.js/pull/2640 - * @private - */ - _element: Legend, - - beforeInit: function(chart) { - var legendOpts = chart.options.legend; - - if (legendOpts) { - createNewLegendAndAttach(chart, legendOpts); - } - }, - - beforeUpdate: function(chart) { - var legendOpts = chart.options.legend; - var legend = chart.legend; - - if (legendOpts) { - helpers$1.mergeIf(legendOpts, core_defaults.global.legend); - - if (legend) { - core_layouts.configure(chart, legend, legendOpts); - legend.options = legendOpts; - } else { - createNewLegendAndAttach(chart, legendOpts); - } - } else if (legend) { - core_layouts.removeBox(chart, legend); - delete chart.legend; - } - }, - - afterEvent: function(chart, e) { - var legend = chart.legend; - if (legend) { - legend.handleEvent(e); - } - } -}; - -var noop$2 = helpers$1.noop; - -core_defaults._set('global', { - title: { - display: false, - fontStyle: 'bold', - fullWidth: true, - padding: 10, - position: 'top', - text: '', - weight: 2000 // by default greater than legend (1000) to be above - } -}); - -/** - * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! - */ -var Title = core_element.extend({ - initialize: function(config) { - var me = this; - helpers$1.extend(me, config); - - // Contains hit boxes for each dataset (in dataset order) - me.legendHitBoxes = []; - }, - - // These methods are ordered by lifecycle. Utilities then follow. - - beforeUpdate: noop$2, - update: function(maxWidth, maxHeight, margins) { - var me = this; - - // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) - me.beforeUpdate(); - - // Absorb the master measurements - me.maxWidth = maxWidth; - me.maxHeight = maxHeight; - me.margins = margins; - - // Dimensions - me.beforeSetDimensions(); - me.setDimensions(); - me.afterSetDimensions(); - // Labels - me.beforeBuildLabels(); - me.buildLabels(); - me.afterBuildLabels(); - - // Fit - me.beforeFit(); - me.fit(); - me.afterFit(); - // - me.afterUpdate(); - - return me.minSize; - - }, - afterUpdate: noop$2, - - // - - beforeSetDimensions: noop$2, - setDimensions: function() { - var me = this; - // Set the unconstrained dimension before label rotation - if (me.isHorizontal()) { - // Reset position before calculating rotation - me.width = me.maxWidth; - me.left = 0; - me.right = me.width; - } else { - me.height = me.maxHeight; - - // Reset position before calculating rotation - me.top = 0; - me.bottom = me.height; - } - - // Reset padding - me.paddingLeft = 0; - me.paddingTop = 0; - me.paddingRight = 0; - me.paddingBottom = 0; - - // Reset minSize - me.minSize = { - width: 0, - height: 0 - }; - }, - afterSetDimensions: noop$2, - - // - - beforeBuildLabels: noop$2, - buildLabels: noop$2, - afterBuildLabels: noop$2, - - // - - beforeFit: noop$2, - fit: function() { - var me = this; - var opts = me.options; - var display = opts.display; - var minSize = me.minSize; - var lineCount = helpers$1.isArray(opts.text) ? opts.text.length : 1; - var fontOpts = helpers$1.options._parseFont(opts); - var textSize = display ? (lineCount * fontOpts.lineHeight) + (opts.padding * 2) : 0; - - if (me.isHorizontal()) { - minSize.width = me.maxWidth; // fill all the width - minSize.height = textSize; - } else { - minSize.width = textSize; - minSize.height = me.maxHeight; // fill all the height - } - - me.width = minSize.width; - me.height = minSize.height; - - }, - afterFit: noop$2, - - // Shared Methods - isHorizontal: function() { - var pos = this.options.position; - return pos === 'top' || pos === 'bottom'; - }, - - // Actually draw the title block on the canvas - draw: function() { - var me = this; - var ctx = me.ctx; - var opts = me.options; - - if (opts.display) { - var fontOpts = helpers$1.options._parseFont(opts); - var lineHeight = fontOpts.lineHeight; - var offset = lineHeight / 2 + opts.padding; - var rotation = 0; - var top = me.top; - var left = me.left; - var bottom = me.bottom; - var right = me.right; - var maxWidth, titleX, titleY; - - ctx.fillStyle = helpers$1.valueOrDefault(opts.fontColor, core_defaults.global.defaultFontColor); // render in correct colour - ctx.font = fontOpts.string; - - // Horizontal - if (me.isHorizontal()) { - titleX = left + ((right - left) / 2); // midpoint of the width - titleY = top + offset; - maxWidth = right - left; - } else { - titleX = opts.position === 'left' ? left + offset : right - offset; - titleY = top + ((bottom - top) / 2); - maxWidth = bottom - top; - rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5); - } - - ctx.save(); - ctx.translate(titleX, titleY); - ctx.rotate(rotation); - ctx.textAlign = 'center'; - ctx.textBaseline = 'middle'; - - var text = opts.text; - if (helpers$1.isArray(text)) { - var y = 0; - for (var i = 0; i < text.length; ++i) { - ctx.fillText(text[i], 0, y, maxWidth); - y += lineHeight; - } - } else { - ctx.fillText(text, 0, 0, maxWidth); - } - - ctx.restore(); - } - } -}); - -function createNewTitleBlockAndAttach(chart, titleOpts) { - var title = new Title({ - ctx: chart.ctx, - options: titleOpts, - chart: chart - }); - - core_layouts.configure(chart, title, titleOpts); - core_layouts.addBox(chart, title); - chart.titleBlock = title; -} - -var plugin_title = { - id: 'title', - - /** - * Backward compatibility: since 2.1.5, the title is registered as a plugin, making - * Chart.Title obsolete. To avoid a breaking change, we export the Title as part of - * the plugin, which one will be re-exposed in the chart.js file. - * https://github.com/chartjs/Chart.js/pull/2640 - * @private - */ - _element: Title, - - beforeInit: function(chart) { - var titleOpts = chart.options.title; - - if (titleOpts) { - createNewTitleBlockAndAttach(chart, titleOpts); - } - }, - - beforeUpdate: function(chart) { - var titleOpts = chart.options.title; - var titleBlock = chart.titleBlock; - - if (titleOpts) { - helpers$1.mergeIf(titleOpts, core_defaults.global.title); - - if (titleBlock) { - core_layouts.configure(chart, titleBlock, titleOpts); - titleBlock.options = titleOpts; - } else { - createNewTitleBlockAndAttach(chart, titleOpts); - } - } else if (titleBlock) { - core_layouts.removeBox(chart, titleBlock); - delete chart.titleBlock; - } - } -}; - -var plugins = {}; -var filler = plugin_filler; -var legend = plugin_legend; -var title = plugin_title; -plugins.filler = filler; -plugins.legend = legend; -plugins.title = title; - -/** - * @namespace Chart - */ - - -core_controller.helpers = helpers$1; - -// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests! -core_helpers(core_controller); - -core_controller._adapters = core_adapters; -core_controller.Animation = core_animation; -core_controller.animationService = core_animations; -core_controller.controllers = controllers; -core_controller.DatasetController = core_datasetController; -core_controller.defaults = core_defaults; -core_controller.Element = core_element; -core_controller.elements = elements; -core_controller.Interaction = core_interaction; -core_controller.layouts = core_layouts; -core_controller.platform = platform; -core_controller.plugins = core_plugins; -core_controller.Scale = core_scale; -core_controller.scaleService = core_scaleService; -core_controller.Ticks = core_ticks; -core_controller.Tooltip = core_tooltip; - -// Register built-in scales - -core_controller.helpers.each(scales, function(scale, type) { - core_controller.scaleService.registerScaleType(type, scale, scale._defaults); -}); - -// Load to register built-in adapters (as side effects) - - -// Loading built-in plugins - -for (var k in plugins) { - if (plugins.hasOwnProperty(k)) { - core_controller.plugins.register(plugins[k]); - } -} - -core_controller.platform.initialize(); - -var src = core_controller; -if (typeof window !== 'undefined') { - window.Chart = core_controller; -} - -// DEPRECATIONS - -/** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Chart - * @deprecated since version 2.8.0 - * @todo remove at version 3 - * @private - */ -core_controller.Chart = core_controller; - -/** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Legend - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ -core_controller.Legend = plugins.legend._element; - -/** - * Provided for backward compatibility, not available anymore - * @namespace Chart.Title - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ -core_controller.Title = plugins.title._element; - -/** - * Provided for backward compatibility, use Chart.plugins instead - * @namespace Chart.pluginService - * @deprecated since version 2.1.5 - * @todo remove at version 3 - * @private - */ -core_controller.pluginService = core_controller.plugins; - -/** - * Provided for backward compatibility, inheriting from Chart.PlugingBase has no - * effect, instead simply create/register plugins via plain JavaScript objects. - * @interface Chart.PluginBase - * @deprecated since version 2.5.0 - * @todo remove at version 3 - * @private - */ -core_controller.PluginBase = core_controller.Element.extend({}); - -/** - * Provided for backward compatibility, use Chart.helpers.canvas instead. - * @namespace Chart.canvasHelpers - * @deprecated since version 2.6.0 - * @todo remove at version 3 - * @private - */ -core_controller.canvasHelpers = core_controller.helpers.canvas; - -/** - * Provided for backward compatibility, use Chart.layouts instead. - * @namespace Chart.layoutService - * @deprecated since version 2.7.3 - * @todo remove at version 3 - * @private - */ -core_controller.layoutService = core_controller.layouts; - -/** - * Provided for backward compatibility, not available anymore. - * @namespace Chart.LinearScaleBase - * @deprecated since version 2.8 - * @todo remove at version 3 - * @private - */ -core_controller.LinearScaleBase = scale_linearbase; - -/** - * Provided for backward compatibility, instead we should create a new Chart - * by setting the type in the config (`new Chart(id, {type: '{chart-type}'}`). - * @deprecated since version 2.8.0 - * @todo remove at version 3 - */ -core_controller.helpers.each( - [ - 'Bar', - 'Bubble', - 'Doughnut', - 'Line', - 'PolarArea', - 'Radar', - 'Scatter' - ], - function(klass) { - core_controller[klass] = function(ctx, cfg) { - return new core_controller(ctx, core_controller.helpers.merge(cfg || {}, { - type: klass.charAt(0).toLowerCase() + klass.slice(1) - })); - }; - } -); - -return src; - -}))); diff --git a/style/default/vendor/chart.js/Chart.min.js b/style/default/vendor/chart.js/Chart.min.js deleted file mode 100644 index c74a791..0000000 --- a/style/default/vendor/chart.js/Chart.min.js +++ /dev/null @@ -1,7 +0,0 @@ -/*! - * Chart.js v2.8.0 - * https://www.chartjs.org - * (c) 2019 Chart.js Contributors - * Released under the MIT License - */ -!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e(function(){try{return require("moment")}catch(t){}}()):"function"==typeof define&&define.amd?define(["require"],function(t){return e(function(){try{return t("moment")}catch(t){}}())}):t.Chart=e(t.moment)}(this,function(t){"use strict";t=t&&t.hasOwnProperty("default")?t.default:t;var 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e({_chart:this.chart,_datasetIndex:this.index,_index:t})},addElements:function(){var t,e,i=this.getMeta(),n=this.getDataset().data||[],a=i.data;for(t=0,e=n.length;ti&&this.insertElements(i,n-i)},insertElements:function(t,e){for(var i=0;is;)a-=2*Math.PI;for(;a=r&&a<=s,d=o>=i.innerRadius&&o<=i.outerRadius;return l&&d}return!1},getCenterPoint:function(){var t=this._view,e=(t.startAngle+t.endAngle)/2,i=(t.innerRadius+t.outerRadius)/2;return{x:t.x+Math.cos(e)*i,y:t.y+Math.sin(e)*i}},getArea:function(){var t=this._view;return Math.PI*((t.endAngle-t.startAngle)/(2*Math.PI))*(Math.pow(t.outerRadius,2)-Math.pow(t.innerRadius,2))},tooltipPosition:function(){var t=this._view,e=t.startAngle+(t.endAngle-t.startAngle)/2,i=(t.outerRadius-t.innerRadius)/2+t.innerRadius;return{x:t.x+Math.cos(e)*i,y:t.y+Math.sin(e)*i}},draw:function(){var t,e=this._chart.ctx,i=this._view,n=i.startAngle,a=i.endAngle,o="inner"===i.borderAlign?.33:0;e.save(),e.beginPath(),e.arc(i.x,i.y,Math.max(i.outerRadius-o,0),n,a),e.arc(i.x,i.y,i.innerRadius,a,n,!0),e.closePath(),e.fillStyle=i.backgroundColor,e.fill(),i.borderWidth&&("inner"===i.borderAlign?(e.beginPath(),t=o/i.outerRadius,e.arc(i.x,i.y,i.outerRadius,n-t,a+t),i.innerRadius>o?(t=o/i.innerRadius,e.arc(i.x,i.y,i.innerRadius-o,a+t,n-t,!0)):e.arc(i.x,i.y,o,a+Math.PI/2,n-Math.PI/2),e.closePath(),e.clip(),e.beginPath(),e.arc(i.x,i.y,i.outerRadius,n,a),e.arc(i.x,i.y,i.innerRadius,a,n,!0),e.closePath(),e.lineWidth=2*i.borderWidth,e.lineJoin="round"):(e.lineWidth=i.borderWidth,e.lineJoin="bevel"),e.strokeStyle=i.borderColor,e.stroke()),e.restore()}}),Ct=ut.valueOrDefault,St=st.global.defaultColor;st._set("global",{elements:{line:{tension:.4,backgroundColor:St,borderWidth:3,borderColor:St,borderCapStyle:"butt",borderDash:[],borderDashOffset:0,borderJoinStyle:"miter",capBezierPoints:!0,fill:!0}}});var Pt=pt.extend({draw:function(){var t,e,i,n,a=this._view,o=this._chart.ctx,r=a.spanGaps,s=this._children.slice(),l=st.global,d=l.elements.line,u=-1;for(this._loop&&s.length&&s.push(s[0]),o.save(),o.lineCap=a.borderCapStyle||d.borderCapStyle,o.setLineDash&&o.setLineDash(a.borderDash||d.borderDash),o.lineDashOffset=Ct(a.borderDashOffset,d.borderDashOffset),o.lineJoin=a.borderJoinStyle||d.borderJoinStyle,o.lineWidth=Ct(a.borderWidth,d.borderWidth),o.strokeStyle=a.borderColor||l.defaultColor,o.beginPath(),u=-1,t=0;tt.x&&(e=Ot(e,"left","right")):t.basei?i:n,r:l.right||a<0?0:a>e?e:a,b:l.bottom||o<0?0:o>i?i:o,l:l.left||r<0?0:r>e?e:r}}function Bt(t,e,i){var n=null===e,a=null===i,o=!(!t||n&&a)&&Rt(t);return o&&(n||e>=o.left&&e<=o.right)&&(a||i>=o.top&&i<=o.bottom)}st._set("global",{elements:{rectangle:{backgroundColor:Ft,borderColor:Ft,borderSkipped:"bottom",borderWidth:0}}});var Nt=pt.extend({draw:function(){var t=this._chart.ctx,e=this._view,i=function(t){var e=Rt(t),i=e.right-e.left,n=e.bottom-e.top,a=zt(t,i/2,n/2);return{outer:{x:e.left,y:e.top,w:i,h:n},inner:{x:e.left+a.l,y:e.top+a.t,w:i-a.l-a.r,h:n-a.t-a.b}}}(e),n=i.outer,a=i.inner;t.fillStyle=e.backgroundColor,t.fillRect(n.x,n.y,n.w,n.h),n.w===a.w&&n.h===a.h||(t.save(),t.beginPath(),t.rect(n.x,n.y,n.w,n.h),t.clip(),t.fillStyle=e.borderColor,t.rect(a.x,a.y,a.w,a.h),t.fill("evenodd"),t.restore())},height:function(){var t=this._view;return t.base-t.y},inRange:function(t,e){return Bt(this._view,t,e)},inLabelRange:function(t,e){var i=this._view;return Lt(i)?Bt(i,t,null):Bt(i,null,e)},inXRange:function(t){return Bt(this._view,t,null)},inYRange:function(t){return Bt(this._view,null,t)},getCenterPoint:function(){var t,e,i=this._view;return Lt(i)?(t=i.x,e=(i.y+i.base)/2):(t=(i.x+i.base)/2,e=i.y),{x:t,y:e}},getArea:function(){var t=this._view;return Lt(t)?t.width*Math.abs(t.y-t.base):t.height*Math.abs(t.x-t.base)},tooltipPosition:function(){var t=this._view;return{x:t.x,y:t.y}}}),Wt={},Vt=_t,Et=Pt,Ht=Tt,jt=Nt;Wt.Arc=Vt,Wt.Line=Et,Wt.Point=Ht,Wt.Rectangle=jt;var qt=ut.options.resolve;st._set("bar",{hover:{mode:"label"},scales:{xAxes:[{type:"category",categoryPercentage:.8,barPercentage:.9,offset:!0,gridLines:{offsetGridLines:!0}}],yAxes:[{type:"linear"}]}});var Yt=Mt.extend({dataElementType:Wt.Rectangle,initialize:function(){var t;Mt.prototype.initialize.apply(this,arguments),(t=this.getMeta()).stack=this.getDataset().stack,t.bar=!0},update:function(t){var e,i,n=this.getMeta().data;for(this._ruler=this.getRuler(),e=0,i=n.length;e0?Math.min(r,n-i):r,i=n;return r}(i,l):-1,pixels:l,start:r,end:s,stackCount:n,scale:i}},calculateBarValuePixels:function(t,e){var i,n,a,o,r,s,l=this.chart,d=this.getMeta(),u=this._getValueScale(),h=u.isHorizontal(),c=l.data.datasets,f=+u.getRightValue(c[t].data[e]),g=u.options.minBarLength,p=u.options.stacked,m=d.stack,v=0;if(p||void 0===p&&void 0!==m)for(i=0;i=0&&a>0)&&(v+=a));return o=u.getPixelForValue(v),s=(r=u.getPixelForValue(v+f))-o,void 0!==g&&Math.abs(s)=0&&!h||f<0&&h?o-g:o+g),{size:s,base:o,head:r,center:r+s/2}},calculateBarIndexPixels:function(t,e,i){var n=i.scale.options,a="flex"===n.barThickness?function(t,e,i){var n,a=e.pixels,o=a[t],r=t>0?a[t-1]:null,s=t');var i=t.data,n=i.datasets,a=i.labels;if(n.length)for(var o=0;o'),a[o]&&e.push(a[o]),e.push("");return e.push(""),e.join("")},legend:{labels:{generateLabels:function(t){var e=t.data;return e.labels.length&&e.datasets.length?e.labels.map(function(i,n){var a=t.getDatasetMeta(0),o=e.datasets[0],r=a.data[n],s=r&&r.custom||{},l=t.options.elements.arc;return{text:i,fillStyle:Gt([s.backgroundColor,o.backgroundColor,l.backgroundColor],void 0,n),strokeStyle:Gt([s.borderColor,o.borderColor,l.borderColor],void 0,n),lineWidth:Gt([s.borderWidth,o.borderWidth,l.borderWidth],void 0,n),hidden:isNaN(o.data[n])||a.data[n].hidden,index:n}}):[]}},onClick:function(t,e){var i,n,a,o=e.index,r=this.chart;for(i=0,n=(r.data.datasets||[]).length;i=Math.PI?-1:m<-Math.PI?1:0))+g,b={x:Math.cos(m),y:Math.sin(m)},x={x:Math.cos(v),y:Math.sin(v)},y=m<=0&&v>=0||m<=2*Math.PI&&2*Math.PI<=v,k=m<=.5*Math.PI&&.5*Math.PI<=v||m<=2.5*Math.PI&&2.5*Math.PI<=v,w=m<=-Math.PI&&-Math.PI<=v||m<=Math.PI&&Math.PI<=v,M=m<=.5*-Math.PI&&.5*-Math.PI<=v||m<=1.5*Math.PI&&1.5*Math.PI<=v,_=f/100,C={x:w?-1:Math.min(b.x*(b.x<0?1:_),x.x*(x.x<0?1:_)),y:M?-1:Math.min(b.y*(b.y<0?1:_),x.y*(x.y<0?1:_))},S={x:y?1:Math.max(b.x*(b.x>0?1:_),x.x*(x.x>0?1:_)),y:k?1:Math.max(b.y*(b.y>0?1:_),x.y*(x.y>0?1:_))},P={width:.5*(S.x-C.x),height:.5*(S.y-C.y)};d=Math.min(s/P.width,l/P.height),u={x:-.5*(S.x+C.x),y:-.5*(S.y+C.y)}}for(e=0,i=c.length;e0&&!isNaN(t)?2*Math.PI*(Math.abs(t)/e):0},getMaxBorderWidth:function(t){var e,i,n,a,o,r,s,l,d=0,u=this.chart;if(!t)for(e=0,i=u.data.datasets.length;e(d=s>d?s:d)?l:d);return d},setHoverStyle:function(t){var e=t._model,i=t._options,n=ut.getHoverColor;t.$previousStyle={backgroundColor:e.backgroundColor,borderColor:e.borderColor,borderWidth:e.borderWidth},e.backgroundColor=Zt(i.hoverBackgroundColor,n(i.backgroundColor)),e.borderColor=Zt(i.hoverBorderColor,n(i.borderColor)),e.borderWidth=Zt(i.hoverBorderWidth,i.borderWidth)},_resolveElementOptions:function(t,e){var i,n,a,o=this.chart,r=this.getDataset(),s=t.custom||{},l=o.options.elements.arc,d={},u={chart:o,dataIndex:e,dataset:r,datasetIndex:this.index},h=["backgroundColor","borderColor","borderWidth","borderAlign","hoverBackgroundColor","hoverBorderColor","hoverBorderWidth"];for(i=0,n=h.length;i0&&ee(l[t-1]._model,s)&&(i.controlPointPreviousX=d(i.controlPointPreviousX,s.left,s.right),i.controlPointPreviousY=d(i.controlPointPreviousY,s.top,s.bottom)),t');var i=t.data,n=i.datasets,a=i.labels;if(n.length)for(var o=0;o'),a[o]&&e.push(a[o]),e.push("");return e.push(""),e.join("")},legend:{labels:{generateLabels:function(t){var e=t.data;return e.labels.length&&e.datasets.length?e.labels.map(function(i,n){var a=t.getDatasetMeta(0),o=e.datasets[0],r=a.data[n].custom||{},s=t.options.elements.arc;return{text:i,fillStyle:ae([r.backgroundColor,o.backgroundColor,s.backgroundColor],void 0,n),strokeStyle:ae([r.borderColor,o.borderColor,s.borderColor],void 0,n),lineWidth:ae([r.borderWidth,o.borderWidth,s.borderWidth],void 0,n),hidden:isNaN(o.data[n])||a.data[n].hidden,index:n}}):[]}},onClick:function(t,e){var i,n,a,o=e.index,r=this.chart;for(i=0,n=(r.data.datasets||[]).length;i0&&(o=t.getDatasetMeta(o[0]._datasetIndex).data),o},"x-axis":function(t,e){return me(t,e,{intersect:!1})},point:function(t,e){return fe(t,he(e,t))},nearest:function(t,e,i){var n=he(e,t);i.axis=i.axis||"xy";var a=pe(i.axis);return ge(t,n,i.intersect,a)},x:function(t,e,i){var n=he(e,t),a=[],o=!1;return ce(t,function(t){t.inXRange(n.x)&&a.push(t),t.inRange(n.x,n.y)&&(o=!0)}),i.intersect&&!o&&(a=[]),a},y:function(t,e,i){var n=he(e,t),a=[],o=!1;return 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t=this._options.callbacks,e=t.beforeFooter.apply(this,arguments),i=t.footer.apply(this,arguments),n=t.afterFooter.apply(this,arguments),a=[];return a=Ye(a,Ue(e)),a=Ye(a,Ue(i)),a=Ye(a,Ue(n))},update:function(t){var e,i,n,a,o,r,s,l,d,u,h=this,c=h._options,f=h._model,g=h._model=Xe(c),p=h._active,m=h._data,v={xAlign:f.xAlign,yAlign:f.yAlign},b={x:f.x,y:f.y},x={width:f.width,height:f.height},y={x:f.caretX,y:f.caretY};if(p.length){g.opacity=1;var k=[],w=[];y=qe[c.position].call(h,p,h._eventPosition);var M=[];for(e=0,i=p.length;en.width&&(a=n.width-e.width),a<0&&(a=0)),"top"===u?o+=h:o-="bottom"===u?e.height+h:e.height/2,"center"===u?"left"===d?a+=h:"right"===d&&(a-=h):"left"===d?a-=c:"right"===d&&(a+=c),{x:a,y:o}}(g,x,v=function(t,e){var i,n,a,o,r,s=t._model,l=t._chart,d=t._chart.chartArea,u="center",h="center";s.yl.height-e.height&&(h="bottom");var c=(d.left+d.right)/2,f=(d.top+d.bottom)/2;"center"===h?(i=function(t){return t<=c},n=function(t){return t>c}):(i=function(t){return 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if("left"===h?(n=(a=f+u+d)-d,o=a+d):"right"===h?(n=(a=f+p-u-d)-d,o=a+d):(n=(a=i.caretX)-d,o=a+d),"top"===c)s=(r=g)-d,l=r;else{s=(r=g+m)+d,l=r;var v=o;o=n,n=v}return{x1:n,x2:a,x3:o,y1:r,y2:s,y3:l}},drawTitle:function(t,e,i){var n=e.title;if(n.length){t.x=Ke(e,e._titleAlign),i.textAlign=e._titleAlign,i.textBaseline="top";var a,o,r=e.titleFontSize,s=e.titleSpacing;for(i.fillStyle=e.titleFontColor,i.font=ut.fontString(r,e._titleFontStyle,e._titleFontFamily),a=0,o=n.length;a0&&i.stroke()},draw:function(){var t=this._chart.ctx,e=this._view;if(0!==e.opacity){var i={width:e.width,height:e.height},n={x:e.x,y:e.y},a=Math.abs(e.opacity<.001)?0:e.opacity,o=e.title.length||e.beforeBody.length||e.body.length||e.afterBody.length||e.footer.length;this._options.enabled&&o&&(t.save(),t.globalAlpha=a,this.drawBackground(n,e,t,i),n.y+=e.yPadding,this.drawTitle(n,e,t),this.drawBody(n,e,t),this.drawFooter(n,e,t),t.restore())}},handleEvent:function(t){var e,i=this,n=i._options;return i._lastActive=i._lastActive||[],"mouseout"===t.type?i._active=[]:i._active=i._chart.getElementsAtEventForMode(t,n.mode,n),(e=!ut.arrayEquals(i._active,i._lastActive))&&(i._lastActive=i._active,(n.enabled||n.custom)&&(i._eventPosition={x:t.x,y:t.y},i.update(!0),i.pivot())),e}}),$e=qe,Je=Ze;Je.positioners=$e;var Qe=ut.valueOrDefault;function ti(){return ut.merge({},[].slice.call(arguments),{merger:function(t,e,i,n){if("xAxes"===t||"yAxes"===t){var a,o,r,s=i[t].length;for(e[t]||(e[t]=[]),a=0;a=e[t].length&&e[t].push({}),!e[t][a].type||r.type&&r.type!==e[t][a].type?ut.merge(e[t][a],[He.getScaleDefaults(o),r]):ut.merge(e[t][a],r)}else ut._merger(t,e,i,n)}})}function ei(){return ut.merge({},[].slice.call(arguments),{merger:function(t,e,i,n){var a=e[t]||{},o=i[t];"scales"===t?e[t]=ti(a,o):"scale"===t?e[t]=ut.merge(a,[He.getScaleDefaults(o.type),o]):ut._merger(t,e,i,n)}})}function ii(t){return"top"===t||"bottom"===t}st._set("global",{elements:{},events:["mousemove","mouseout","click","touchstart","touchmove"],hover:{onHover:null,mode:"nearest",intersect:!0,animationDuration:400},onClick:null,maintainAspectRatio:!0,responsive:!0,responsiveAnimationDuration:0});var ni=function(t,e){return this.construct(t,e),this};ut.extend(ni.prototype,{construct:function(t,e){var i=this;e=function(t){var e=(t=t||{}).data=t.data||{};return e.datasets=e.datasets||[],e.labels=e.labels||[],t.options=ei(st.global,st[t.type],t.options||{}),t}(e);var n=Ve.acquireContext(t,e),a=n&&n.canvas,o=a&&a.height,r=a&&a.width;i.id=ut.uid(),i.ctx=n,i.canvas=a,i.config=e,i.width=r,i.height=o,i.aspectRatio=o?r/o:null,i.options=e.options,i._bufferedRender=!1,i.chart=i,i.controller=i,ni.instances[i.id]=i,Object.defineProperty(i,"data",{get:function(){return i.config.data},set:function(t){i.config.data=t}}),n&&a?(i.initialize(),i.update()):console.error("Failed to create chart: can't acquire context from the given item")},initialize:function(){var t=this;return Ee.notify(t,"beforeInit"),ut.retinaScale(t,t.options.devicePixelRatio),t.bindEvents(),t.options.responsive&&t.resize(!0),t.ensureScalesHaveIDs(),t.buildOrUpdateScales(),t.initToolTip(),Ee.notify(t,"afterInit"),t},clear:function(){return ut.canvas.clear(this),this},stop:function(){return bt.cancelAnimation(this),this},resize:function(t){var e=this,i=e.options,n=e.canvas,a=i.maintainAspectRatio&&e.aspectRatio||null,o=Math.max(0,Math.floor(ut.getMaximumWidth(n))),r=Math.max(0,Math.floor(a?o/a:ut.getMaximumHeight(n)));if((e.width!==o||e.height!==r)&&(n.width=e.width=o,n.height=e.height=r,n.style.width=o+"px",n.style.height=r+"px",ut.retinaScale(e,i.devicePixelRatio),!t)){var s={width:o,height:r};Ee.notify(e,"resize",[s]),i.onResize&&i.onResize(e,s),e.stop(),e.update({duration:i.responsiveAnimationDuration})}},ensureScalesHaveIDs:function(){var t=this.options,e=t.scales||{},i=t.scale;ut.each(e.xAxes,function(t,e){t.id=t.id||"x-axis-"+e}),ut.each(e.yAxes,function(t,e){t.id=t.id||"y-axis-"+e}),i&&(i.id=i.id||"scale")},buildOrUpdateScales:function(){var t=this,e=t.options,i=t.scales||{},n=[],a=Object.keys(i).reduce(function(t,e){return t[e]=!1,t},{});e.scales&&(n=n.concat((e.scales.xAxes||[]).map(function(t){return{options:t,dtype:"category",dposition:"bottom"}}),(e.scales.yAxes||[]).map(function(t){return{options:t,dtype:"linear",dposition:"left"}}))),e.scale&&n.push({options:e.scale,dtype:"radialLinear",isDefault:!0,dposition:"chartArea"}),ut.each(n,function(e){var n=e.options,o=n.id,r=Qe(n.type,e.dtype);ii(n.position)!==ii(e.dposition)&&(n.position=e.dposition),a[o]=!0;var s=null;if(o in i&&i[o].type===r)(s=i[o]).options=n,s.ctx=t.ctx,s.chart=t;else{var l=He.getScaleConstructor(r);if(!l)return;s=new l({id:o,type:r,options:n,ctx:t.ctx,chart:t}),i[s.id]=s}s.mergeTicksOptions(),e.isDefault&&(t.scale=s)}),ut.each(a,function(t,e){t||delete i[e]}),t.scales=i,He.addScalesToLayout(this)},buildOrUpdateControllers:function(){var t=this,e=[];return ut.each(t.data.datasets,function(i,n){var a=t.getDatasetMeta(n),o=i.type||t.config.type;if(a.type&&a.type!==o&&(t.destroyDatasetMeta(n),a=t.getDatasetMeta(n)),a.type=o,a.controller)a.controller.updateIndex(n),a.controller.linkScales();else{var r=ue[a.type];if(void 0===r)throw new Error('"'+a.type+'" is not a chart type.');a.controller=new r(t,n),e.push(a.controller)}},t),e},resetElements:function(){var t=this;ut.each(t.data.datasets,function(e,i){t.getDatasetMeta(i).controller.reset()},t)},reset:function(){this.resetElements(),this.tooltip.initialize()},update:function(t){var e,i,n=this;if(t&&"object"==typeof t||(t={duration:t,lazy:arguments[1]}),i=(e=n).options,ut.each(e.scales,function(t){ke.removeBox(e,t)}),i=ei(st.global,st[e.config.type],i),e.options=e.config.options=i,e.ensureScalesHaveIDs(),e.buildOrUpdateScales(),e.tooltip._options=i.tooltips,e.tooltip.initialize(),Ee._invalidate(n),!1!==Ee.notify(n,"beforeUpdate")){n.tooltip._data=n.data;var a=n.buildOrUpdateControllers();ut.each(n.data.datasets,function(t,e){n.getDatasetMeta(e).controller.buildOrUpdateElements()},n),n.updateLayout(),n.options.animation&&n.options.animation.duration&&ut.each(a,function(t){t.reset()}),n.updateDatasets(),n.tooltip.initialize(),n.lastActive=[],Ee.notify(n,"afterUpdate"),n._bufferedRender?n._bufferedRequest={duration:t.duration,easing:t.easing,lazy:t.lazy}:n.render(t)}},updateLayout:function(){!1!==Ee.notify(this,"beforeLayout")&&(ke.update(this,this.width,this.height),Ee.notify(this,"afterScaleUpdate"),Ee.notify(this,"afterLayout"))},updateDatasets:function(){if(!1!==Ee.notify(this,"beforeDatasetsUpdate")){for(var t=0,e=this.data.datasets.length;t=0;--i)e.isDatasetVisible(i)&&e.drawDataset(i,t);Ee.notify(e,"afterDatasetsDraw",[t])}},drawDataset:function(t,e){var i=this.getDatasetMeta(t),n={meta:i,index:t,easingValue:e};!1!==Ee.notify(this,"beforeDatasetDraw",[n])&&(i.controller.draw(e),Ee.notify(this,"afterDatasetDraw",[n]))},_drawTooltip:function(t){var e=this.tooltip,i={tooltip:e,easingValue:t};!1!==Ee.notify(this,"beforeTooltipDraw",[i])&&(e.draw(),Ee.notify(this,"afterTooltipDraw",[i]))},getElementAtEvent:function(t){return ve.modes.single(this,t)},getElementsAtEvent:function(t){return ve.modes.label(this,t,{intersect:!0})},getElementsAtXAxis:function(t){return ve.modes["x-axis"](this,t,{intersect:!0})},getElementsAtEventForMode:function(t,e,i){var n=ve.modes[e];return"function"==typeof n?n(this,t,i):[]},getDatasetAtEvent:function(t){return ve.modes.dataset(this,t,{intersect:!0})},getDatasetMeta:function(t){var e=this.data.datasets[t];e._meta||(e._meta={});var i=e._meta[this.id];return i||(i=e._meta[this.id]={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null}),i},getVisibleDatasetCount:function(){for(var t=0,e=0,i=this.data.datasets.length;e3?i[2]-i[1]:i[1]-i[0];Math.abs(n)>1&&t!==Math.floor(t)&&(n=t-Math.floor(t));var a=ut.log10(Math.abs(n)),o="";if(0!==t)if(Math.max(Math.abs(i[0]),Math.abs(i[i.length-1]))<1e-4){var r=ut.log10(Math.abs(t));o=t.toExponential(Math.floor(r)-Math.floor(a))}else{var s=-1*Math.floor(a);s=Math.max(Math.min(s,20),0),o=t.toFixed(s)}else o="0";return o},logarithmic:function(t,e,i){var n=t/Math.pow(10,Math.floor(ut.log10(t)));return 0===t?"0":1===n||2===n||5===n||0===e||e===i.length-1?t.toExponential():""}}},di=ut.valueOrDefault,ui=ut.valueAtIndexOrDefault;function hi(t){var e,i,n=[];for(e=0,i=t.length;ed&&ot.maxHeight){o--;break}o++,l=r*s}t.labelRotation=o},afterCalculateTickRotation:function(){ut.callback(this.options.afterCalculateTickRotation,[this])},beforeFit:function(){ut.callback(this.options.beforeFit,[this])},fit:function(){var t=this,e=t.minSize={width:0,height:0},i=hi(t._ticks),n=t.options,a=n.ticks,o=n.scaleLabel,r=n.gridLines,s=t._isVisible(),l=n.position,d=t.isHorizontal(),u=ut.options._parseFont,h=u(a),c=n.gridLines.tickMarkLength;if(e.width=d?t.isFullWidth()?t.maxWidth-t.margins.left-t.margins.right:t.maxWidth:s&&r.drawTicks?c:0,e.height=d?s&&r.drawTicks?c:0:t.maxHeight,o.display&&s){var f=u(o),g=ut.options.toPadding(o.padding),p=f.lineHeight+g.height;d?e.height+=p:e.width+=p}if(a.display&&s){var m=ut.longestText(t.ctx,h.string,i,t.longestTextCache),v=ut.numberOfLabelLines(i),b=.5*h.size,x=t.options.ticks.padding;if(t._maxLabelLines=v,t.longestLabelWidth=m,d){var y=ut.toRadians(t.labelRotation),k=Math.cos(y),w=Math.sin(y)*m+h.lineHeight*v+b;e.height=Math.min(t.maxHeight,e.height+w+x),t.ctx.font=h.string;var M,_,C=ci(t.ctx,i[0],h.string),S=ci(t.ctx,i[i.length-1],h.string),P=t.getPixelForTick(0)-t.left,I=t.right-t.getPixelForTick(i.length-1);0!==t.labelRotation?(M="bottom"===l?k*C:k*b,_="bottom"===l?k*b:k*S):(M=C/2,_=S/2),t.paddingLeft=Math.max(M-P,0)+3,t.paddingRight=Math.max(_-I,0)+3}else a.mirror?m=0:m+=x+b,e.width=Math.min(t.maxWidth,e.width+m),t.paddingTop=h.size/2,t.paddingBottom=h.size/2}t.handleMargins(),t.width=e.width,t.height=e.height},handleMargins:function(){var t=this;t.margins&&(t.paddingLeft=Math.max(t.paddingLeft-t.margins.left,0),t.paddingTop=Math.max(t.paddingTop-t.margins.top,0),t.paddingRight=Math.max(t.paddingRight-t.margins.right,0),t.paddingBottom=Math.max(t.paddingBottom-t.margins.bottom,0))},afterFit:function(){ut.callback(this.options.afterFit,[this])},isHorizontal:function(){return"top"===this.options.position||"bottom"===this.options.position},isFullWidth:function(){return this.options.fullWidth},getRightValue:function(t){if(ut.isNullOrUndef(t))return NaN;if(("number"==typeof t||t instanceof Number)&&!isFinite(t))return NaN;if(t)if(this.isHorizontal()){if(void 0!==t.x)return this.getRightValue(t.x)}else if(void 0!==t.y)return this.getRightValue(t.y);return t},getLabelForIndex:ut.noop,getPixelForValue:ut.noop,getValueForPixel:ut.noop,getPixelForTick:function(t){var e=this,i=e.options.offset;if(e.isHorizontal()){var n=(e.width-(e.paddingLeft+e.paddingRight))/Math.max(e._ticks.length-(i?0:1),1),a=n*t+e.paddingLeft;i&&(a+=n/2);var o=e.left+a;return o+=e.isFullWidth()?e.margins.left:0}var r=e.height-(e.paddingTop+e.paddingBottom);return e.top+t*(r/(e._ticks.length-1))},getPixelForDecimal:function(t){var e=this;if(e.isHorizontal()){var i=(e.width-(e.paddingLeft+e.paddingRight))*t+e.paddingLeft,n=e.left+i;return n+=e.isFullWidth()?e.margins.left:0}return e.top+t*e.height},getBasePixel:function(){return this.getPixelForValue(this.getBaseValue())},getBaseValue:function(){var t=this.min,e=this.max;return this.beginAtZero?0:t<0&&e<0?e:t>0&&e>0?t:0},_autoSkip:function(t){var e,i,n=this,a=n.isHorizontal(),o=n.options.ticks.minor,r=t.length,s=!1,l=o.maxTicksLimit,d=n._tickSize()*(r-1),u=a?n.width-(n.paddingLeft+n.paddingRight):n.height-(n.paddingTop+n.PaddingBottom),h=[];for(d>u&&(s=1+Math.floor(d/u)),r>l&&(s=Math.max(s,1+Math.floor(r/l))),e=0;e1&&e%s>0&&delete i.label,h.push(i);return h},_tickSize:function(){var t=this,e=t.isHorizontal(),i=t.options.ticks.minor,n=ut.toRadians(t.labelRotation),a=Math.abs(Math.cos(n)),o=Math.abs(Math.sin(n)),r=i.autoSkipPadding||0,s=t.longestLabelWidth+r||0,l=ut.options._parseFont(i),d=t._maxLabelLines*l.lineHeight+r||0;return e?d*a>s*o?s/a:d/o:d*o0&&n>0&&(t.min=0)}var a=void 0!==e.min||void 0!==e.suggestedMin,o=void 0!==e.max||void 0!==e.suggestedMax;void 0!==e.min?t.min=e.min:void 0!==e.suggestedMin&&(null===t.min?t.min=e.suggestedMin:t.min=Math.min(t.min,e.suggestedMin)),void 0!==e.max?t.max=e.max:void 0!==e.suggestedMax&&(null===t.max?t.max=e.suggestedMax:t.max=Math.max(t.max,e.suggestedMax)),a!==o&&t.min>=t.max&&(a?t.max=t.min+1:t.min=t.max-1),t.min===t.max&&(t.max++,e.beginAtZero||t.min--)},getTickLimit:function(){var t,e=this.options.ticks,i=e.stepSize,n=e.maxTicksLimit;return i?t=Math.ceil(this.max/i)-Math.floor(this.min/i)+1:(t=this._computeTickLimit(),n=n||11),n&&(t=Math.min(n,t)),t},_computeTickLimit:function(){return Number.POSITIVE_INFINITY},handleDirectionalChanges:mi,buildTicks:function(){var t=this,e=t.options.ticks,i=t.getTickLimit(),n={maxTicks:i=Math.max(2,i),min:e.min,max:e.max,precision:e.precision,stepSize:ut.valueOrDefault(e.fixedStepSize,e.stepSize)},a=t.ticks=function(t,e){var i,n,a,o,r=[],s=t.stepSize,l=s||1,d=t.maxTicks-1,u=t.min,h=t.max,c=t.precision,f=e.min,g=e.max,p=ut.niceNum((g-f)/d/l)*l;if(p<1e-14&&vi(u)&&vi(h))return[f,g];(o=Math.ceil(g/p)-Math.floor(f/p))>d&&(p=ut.niceNum(o*p/d/l)*l),s||vi(c)?i=Math.pow(10,ut._decimalPlaces(p)):(i=Math.pow(10,c),p=Math.ceil(p*i)/i),n=Math.floor(f/p)*p,a=Math.ceil(g/p)*p,s&&(!vi(u)&&ut.almostWhole(u/p,p/1e3)&&(n=u),!vi(h)&&ut.almostWhole(h/p,p/1e3)&&(a=h)),o=(a-n)/p,o=ut.almostEquals(o,Math.round(o),p/1e3)?Math.round(o):Math.ceil(o),n=Math.round(n*i)/i,a=Math.round(a*i)/i,r.push(vi(u)?n:u);for(var m=1;mt.max&&(t.max=n))})});t.min=isFinite(t.min)&&!isNaN(t.min)?t.min:0,t.max=isFinite(t.max)&&!isNaN(t.max)?t.max:1,this.handleTickRangeOptions()},_computeTickLimit:function(){var t;return this.isHorizontal()?Math.ceil(this.width/40):(t=ut.options._parseFont(this.options.ticks),Math.ceil(this.height/t.lineHeight))},handleDirectionalChanges:function(){this.isHorizontal()||this.ticks.reverse()},getLabelForIndex:function(t,e){return+this.getRightValue(this.chart.data.datasets[e].data[t])},getPixelForValue:function(t){var e=this,i=e.start,n=+e.getRightValue(t),a=e.end-i;return e.isHorizontal()?e.left+e.width/a*(n-i):e.bottom-e.height/a*(n-i)},getValueForPixel:function(t){var e=this,i=e.isHorizontal(),n=i?e.width:e.height,a=(i?t-e.left:e.bottom-t)/n;return e.start+(e.end-e.start)*a},getPixelForTick:function(t){return this.getPixelForValue(this.ticksAsNumbers[t])}}),ki=xi;yi._defaults=ki;var wi=ut.valueOrDefault;var Mi={position:"left",ticks:{callback:li.formatters.logarithmic}};function _i(t,e){return ut.isFinite(t)&&t>=0?t:e}var Ci=fi.extend({determineDataLimits:function(){var t=this,e=t.options,i=t.chart,n=i.data.datasets,a=t.isHorizontal();function o(e){return a?e.xAxisID===t.id:e.yAxisID===t.id}t.min=null,t.max=null,t.minNotZero=null;var r=e.stacked;if(void 0===r&&ut.each(n,function(t,e){if(!r){var n=i.getDatasetMeta(e);i.isDatasetVisible(e)&&o(n)&&void 0!==n.stack&&(r=!0)}}),e.stacked||r){var s={};ut.each(n,function(n,a){var r=i.getDatasetMeta(a),l=[r.type,void 0===e.stacked&&void 0===r.stack?a:"",r.stack].join(".");i.isDatasetVisible(a)&&o(r)&&(void 0===s[l]&&(s[l]=[]),ut.each(n.data,function(e,i){var n=s[l],a=+t.getRightValue(e);isNaN(a)||r.data[i].hidden||a<0||(n[i]=n[i]||0,n[i]+=a)}))}),ut.each(s,function(e){if(e.length>0){var i=ut.min(e),n=ut.max(e);t.min=null===t.min?i:Math.min(t.min,i),t.max=null===t.max?n:Math.max(t.max,n)}})}else ut.each(n,function(e,n){var a=i.getDatasetMeta(n);i.isDatasetVisible(n)&&o(a)&&ut.each(e.data,function(e,i){var n=+t.getRightValue(e);isNaN(n)||a.data[i].hidden||n<0||(null===t.min?t.min=n:nt.max&&(t.max=n),0!==n&&(null===t.minNotZero||n0?t.minNotZero=t.min:t.max<1?t.minNotZero=Math.pow(10,Math.floor(ut.log10(t.max))):t.minNotZero=1)},buildTicks:function(){var t=this,e=t.options.ticks,i=!t.isHorizontal(),n={min:_i(e.min),max:_i(e.max)},a=t.ticks=function(t,e){var i,n,a=[],o=wi(t.min,Math.pow(10,Math.floor(ut.log10(e.min)))),r=Math.floor(ut.log10(e.max)),s=Math.ceil(e.max/Math.pow(10,r));0===o?(i=Math.floor(ut.log10(e.minNotZero)),n=Math.floor(e.minNotZero/Math.pow(10,i)),a.push(o),o=n*Math.pow(10,i)):(i=Math.floor(ut.log10(o)),n=Math.floor(o/Math.pow(10,i)));var l=i<0?Math.pow(10,Math.abs(i)):1;do{a.push(o),10==++n&&(n=1,l=++i>=0?1:l),o=Math.round(n*Math.pow(10,i)*l)/l}while(ia?{start:e-i,end:e}:{start:e,end:e+i}}function Ri(t){return 0===t||180===t?"center":t<180?"left":"right"}function Oi(t,e,i,n){var a,o,r=i.y+n/2;if(ut.isArray(e))for(a=0,o=e.length;a270||t<90)&&(i.y-=e.h)}function Bi(t){return ut.isNumber(t)?t:0}var Ni=bi.extend({setDimensions:function(){var t=this;t.width=t.maxWidth,t.height=t.maxHeight,t.paddingTop=Fi(t.options)/2,t.xCenter=Math.floor(t.width/2),t.yCenter=Math.floor((t.height-t.paddingTop)/2),t.drawingArea=Math.min(t.height-t.paddingTop,t.width)/2},determineDataLimits:function(){var t=this,e=t.chart,i=Number.POSITIVE_INFINITY,n=Number.NEGATIVE_INFINITY;ut.each(e.data.datasets,function(a,o){if(e.isDatasetVisible(o)){var r=e.getDatasetMeta(o);ut.each(a.data,function(e,a){var o=+t.getRightValue(e);isNaN(o)||r.data[a].hidden||(i=Math.min(o,i),n=Math.max(o,n))})}}),t.min=i===Number.POSITIVE_INFINITY?0:i,t.max=n===Number.NEGATIVE_INFINITY?0:n,t.handleTickRangeOptions()},_computeTickLimit:function(){return Math.ceil(this.drawingArea/Fi(this.options))},convertTicksToLabels:function(){var t=this;bi.prototype.convertTicksToLabels.call(t),t.pointLabels=t.chart.data.labels.map(t.options.pointLabels.callback,t)},getLabelForIndex:function(t,e){return+this.getRightValue(this.chart.data.datasets[e].data[t])},fit:function(){var t=this.options;t.display&&t.pointLabels.display?function(t){var e,i,n,a=ut.options._parseFont(t.options.pointLabels),o={l:0,r:t.width,t:0,b:t.height-t.paddingTop},r={};t.ctx.font=a.string,t._pointLabelSizes=[];var s,l,d,u=Ti(t);for(e=0;eo.r&&(o.r=f.end,r.r=h),g.starto.b&&(o.b=g.end,r.b=h)}t.setReductions(t.drawingArea,o,r)}(this):this.setCenterPoint(0,0,0,0)},setReductions:function(t,e,i){var n=this,a=e.l/Math.sin(i.l),o=Math.max(e.r-n.width,0)/Math.sin(i.r),r=-e.t/Math.cos(i.t),s=-Math.max(e.b-(n.height-n.paddingTop),0)/Math.cos(i.b);a=Bi(a),o=Bi(o),r=Bi(r),s=Bi(s),n.drawingArea=Math.min(Math.floor(t-(a+o)/2),Math.floor(t-(r+s)/2)),n.setCenterPoint(a,o,r,s)},setCenterPoint:function(t,e,i,n){var a=this,o=a.width-e-a.drawingArea,r=t+a.drawingArea,s=i+a.drawingArea,l=a.height-a.paddingTop-n-a.drawingArea;a.xCenter=Math.floor((r+o)/2+a.left),a.yCenter=Math.floor((s+l)/2+a.top+a.paddingTop)},getIndexAngle:function(t){return t*(2*Math.PI/Ti(this))+(this.chart.options&&this.chart.options.startAngle?this.chart.options.startAngle:0)*Math.PI*2/360},getDistanceFromCenterForValue:function(t){var e=this;if(null===t)return 0;var i=e.drawingArea/(e.max-e.min);return e.options.ticks.reverse?(e.max-t)*i:(t-e.min)*i},getPointPosition:function(t,e){var i=this.getIndexAngle(t)-Math.PI/2;return{x:Math.cos(i)*e+this.xCenter,y:Math.sin(i)*e+this.yCenter}},getPointPositionForValue:function(t,e){return this.getPointPosition(t,this.getDistanceFromCenterForValue(e))},getBasePosition:function(){var t=this.min,e=this.max;return this.getPointPositionForValue(0,this.beginAtZero?0:t<0&&e<0?e:t>0&&e>0?t:0)},draw:function(){var t=this,e=t.options,i=e.gridLines,n=e.ticks;if(e.display){var a=t.ctx,o=this.getIndexAngle(0),r=ut.options._parseFont(n);(e.angleLines.display||e.pointLabels.display)&&function(t){var e=t.ctx,i=t.options,n=i.angleLines,a=i.gridLines,o=i.pointLabels,r=Pi(n.lineWidth,a.lineWidth),s=Pi(n.color,a.color),l=Fi(i);e.save(),e.lineWidth=r,e.strokeStyle=s,e.setLineDash&&(e.setLineDash(Ai([n.borderDash,a.borderDash,[]])),e.lineDashOffset=Ai([n.borderDashOffset,a.borderDashOffset,0]));var d=t.getDistanceFromCenterForValue(i.ticks.reverse?t.min:t.max),u=ut.options._parseFont(o);e.font=u.string,e.textBaseline="middle";for(var h=Ti(t)-1;h>=0;h--){if(n.display&&r&&s){var c=t.getPointPosition(h,d);e.beginPath(),e.moveTo(t.xCenter,t.yCenter),e.lineTo(c.x,c.y),e.stroke()}if(o.display){var f=0===h?l/2:0,g=t.getPointPosition(h,d+f+5),p=Ii(o.fontColor,h,st.global.defaultFontColor);e.fillStyle=p;var m=t.getIndexAngle(h),v=ut.toDegrees(m);e.textAlign=Ri(v),zi(v,t._pointLabelSizes[h],g),Oi(e,t.pointLabels[h]||"",g,u.lineHeight)}}e.restore()}(t),ut.each(t.ticks,function(e,s){if(s>0||n.reverse){var l=t.getDistanceFromCenterForValue(t.ticksAsNumbers[s]);if(i.display&&0!==s&&function(t,e,i,n){var a,o=t.ctx,r=e.circular,s=Ti(t),l=Ii(e.color,n-1),d=Ii(e.lineWidth,n-1);if((r||s)&&l&&d){if(o.save(),o.strokeStyle=l,o.lineWidth=d,o.setLineDash&&(o.setLineDash(e.borderDash||[]),o.lineDashOffset=e.borderDashOffset||0),o.beginPath(),r)o.arc(t.xCenter,t.yCenter,i,0,2*Math.PI);else{a=t.getPointPosition(0,i),o.moveTo(a.x,a.y);for(var u=1;u=0&&r<=s;){if(a=t[(n=r+s>>1)-1]||null,o=t[n],!a)return{lo:null,hi:o};if(o[e]i))return{lo:a,hi:o};s=n-1}}return{lo:o,hi:null}}(t,e,i),o=a.lo?a.hi?a.lo:t[t.length-2]:t[0],r=a.lo?a.hi?a.hi:t[t.length-1]:t[1],s=r[e]-o[e],l=s?(i-o[e])/s:0,d=(r[n]-o[n])*l;return o[n]+d}function Ki(t,e){var i=t._adapter,n=t.options.time,a=n.parser,o=a||n.format,r=e;return"function"==typeof a&&(r=a(r)),ut.isFinite(r)||(r="string"==typeof o?i.parse(r,o):i.parse(r)),null!==r?+r:(a||"function"!=typeof o||(r=o(e),ut.isFinite(r)||(r=i.parse(r))),r)}function Gi(t,e){if(ut.isNullOrUndef(e))return null;var i=t.options.time,n=Ki(t,t.getRightValue(e));return null===n?n:(i.round&&(n=+t._adapter.startOf(n,i.round)),n)}function Zi(t){for(var e=qi.indexOf(t)+1,i=qi.length;e=a&&i<=o&&d.push(i);return n.min=a,n.max=o,n._unit=s.unit||function(t,e,i,n,a){var o,r;for(o=qi.length-1;o>=qi.indexOf(i);o--)if(r=qi[o],ji[r].common&&t._adapter.diff(a,n,r)>=e.length)return r;return qi[i?qi.indexOf(i):0]}(n,d,s.minUnit,n.min,n.max),n._majorUnit=Zi(n._unit),n._table=function(t,e,i,n){if("linear"===n||!t.length)return[{time:e,pos:0},{time:i,pos:1}];var a,o,r,s,l,d=[],u=[e];for(a=0,o=t.length;ae&&s=0&&t0?r:1}}),Qi={position:"bottom",distribution:"linear",bounds:"data",adapters:{},time:{parser:!1,format:!1,unit:!1,round:!1,displayFormat:!1,isoWeekday:!1,minUnit:"millisecond",displayFormats:{}},ticks:{autoSkip:!1,source:"auto",major:{enabled:!1}}};Ji._defaults=Qi;var tn={category:gi,linear:yi,logarithmic:Ci,radialLinear:Ni,time:Ji},en={datetime:"MMM D, YYYY, h:mm:ss a",millisecond:"h:mm:ss.SSS a",second:"h:mm:ss a",minute:"h:mm a",hour:"hA",day:"MMM D",week:"ll",month:"MMM YYYY",quarter:"[Q]Q - YYYY",year:"YYYY"};si._date.override("function"==typeof t?{_id:"moment",formats:function(){return en},parse:function(e,i){return"string"==typeof e&&"string"==typeof i?e=t(e,i):e instanceof t||(e=t(e)),e.isValid()?e.valueOf():null},format:function(e,i){return t(e).format(i)},add:function(e,i,n){return t(e).add(i,n).valueOf()},diff:function(e,i,n){return t.duration(t(e).diff(t(i))).as(n)},startOf:function(e,i,n){return e=t(e),"isoWeek"===i?e.isoWeekday(n).valueOf():e.startOf(i).valueOf()},endOf:function(e,i){return t(e).endOf(i).valueOf()},_create:function(e){return t(e)}}:{}),st._set("global",{plugins:{filler:{propagate:!0}}});var nn={dataset:function(t){var e=t.fill,i=t.chart,n=i.getDatasetMeta(e),a=n&&i.isDatasetVisible(e)&&n.dataset._children||[],o=a.length||0;return o?function(t,e){return e=i)&&n;switch(o){case"bottom":return"start";case"top":return"end";case"zero":return"origin";case"origin":case"start":case"end":return o;default:return!1}}function on(t){var e,i=t.el._model||{},n=t.el._scale||{},a=t.fill,o=null;if(isFinite(a))return null;if("start"===a?o=void 0===i.scaleBottom?n.bottom:i.scaleBottom:"end"===a?o=void 0===i.scaleTop?n.top:i.scaleTop:void 0!==i.scaleZero?o=i.scaleZero:n.getBasePosition?o=n.getBasePosition():n.getBasePixel&&(o=n.getBasePixel()),null!=o){if(void 0!==o.x&&void 0!==o.y)return o;if(ut.isFinite(o))return{x:(e=n.isHorizontal())?o:null,y:e?null:o}}return null}function rn(t,e,i){var n,a=t[e].fill,o=[e];if(!i)return a;for(;!1!==a&&-1===o.indexOf(a);){if(!isFinite(a))return a;if(!(n=t[a]))return!1;if(n.visible)return a;o.push(a),a=n.fill}return!1}function sn(t){var e=t.fill,i="dataset";return!1===e?null:(isFinite(e)||(i="boundary"),nn[i](t))}function ln(t){return t&&!t.skip}function dn(t,e,i,n,a){var o;if(n&&a){for(t.moveTo(e[0].x,e[0].y),o=1;o0;--o)ut.canvas.lineTo(t,i[o],i[o-1],!0)}}var un={id:"filler",afterDatasetsUpdate:function(t,e){var i,n,a,o,r=(t.data.datasets||[]).length,s=e.propagate,l=[];for(n=0;ne?e:t.boxWidth}st._set("global",{legend:{display:!0,position:"top",fullWidth:!0,reverse:!1,weight:1e3,onClick:function(t,e){var i=e.datasetIndex,n=this.chart,a=n.getDatasetMeta(i);a.hidden=null===a.hidden?!n.data.datasets[i].hidden:null,n.update()},onHover:null,onLeave:null,labels:{boxWidth:40,padding:10,generateLabels:function(t){var e=t.data;return ut.isArray(e.datasets)?e.datasets.map(function(e,i){return{text:e.label,fillStyle:ut.isArray(e.backgroundColor)?e.backgroundColor[0]:e.backgroundColor,hidden:!t.isDatasetVisible(i),lineCap:e.borderCapStyle,lineDash:e.borderDash,lineDashOffset:e.borderDashOffset,lineJoin:e.borderJoinStyle,lineWidth:e.borderWidth,strokeStyle:e.borderColor,pointStyle:e.pointStyle,datasetIndex:i}},this):[]}}},legendCallback:function(t){var e=[];e.push('
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e.filter(i,t.chart.data)})),t.options.reverse&&i.reverse(),t.legendItems=i},afterBuildLabels:hn,beforeFit:hn,fit:function(){var t=this,e=t.options,i=e.labels,n=e.display,a=t.ctx,o=ut.options._parseFont(i),r=o.size,s=t.legendHitBoxes=[],l=t.minSize,d=t.isHorizontal();if(d?(l.width=t.maxWidth,l.height=n?10:0):(l.width=n?10:0,l.height=t.maxHeight),n)if(a.font=o.string,d){var u=t.lineWidths=[0],h=0;a.textAlign="left",a.textBaseline="top",ut.each(t.legendItems,function(t,e){var n=fn(i,r)+r/2+a.measureText(t.text).width;(0===e||u[u.length-1]+n+i.padding>l.width)&&(h+=r+i.padding,u[u.length-(e>0?0:1)]=i.padding),s[e]={left:0,top:0,width:n,height:r},u[u.length-1]+=n+i.padding}),l.height+=h}else{var c=i.padding,f=t.columnWidths=[],g=i.padding,p=0,m=0,v=r+c;ut.each(t.legendItems,function(t,e){var n=fn(i,r)+r/2+a.measureText(t.text).width;e>0&&m+v>l.height-c&&(g+=p+i.padding,f.push(p),p=0,m=0),p=Math.max(p,n),m+=v,s[e]={left:0,top:0,width:n,height:r}}),g+=p,f.push(p),l.width+=g}t.width=l.width,t.height=l.height},afterFit:hn,isHorizontal:function(){return"top"===this.options.position||"bottom"===this.options.position},draw:function(){var t=this,e=t.options,i=e.labels,n=st.global,a=n.defaultColor,o=n.elements.line,r=t.width,s=t.lineWidths;if(e.display){var l,d=t.ctx,u=cn(i.fontColor,n.defaultFontColor),h=ut.options._parseFont(i),c=h.size;d.textAlign="left",d.textBaseline="middle",d.lineWidth=.5,d.strokeStyle=u,d.fillStyle=u,d.font=h.string;var f=fn(i,c),g=t.legendHitBoxes,p=t.isHorizontal();l=p?{x:t.left+(r-s[0])/2+i.padding,y:t.top+i.padding,line:0}:{x:t.left+i.padding,y:t.top+i.padding,line:0};var m=c+i.padding;ut.each(t.legendItems,function(n,u){var h=d.measureText(n.text).width,v=f+c/2+h,b=l.x,x=l.y;p?u>0&&b+v+i.padding>t.left+t.minSize.width&&(x=l.y+=m,l.line++,b=l.x=t.left+(r-s[l.line])/2+i.padding):u>0&&x+m>t.top+t.minSize.height&&(b=l.x=b+t.columnWidths[l.line]+i.padding,x=l.y=t.top+i.padding,l.line++),function(t,i,n){if(!(isNaN(f)||f<=0)){d.save();var r=cn(n.lineWidth,o.borderWidth);if(d.fillStyle=cn(n.fillStyle,a),d.lineCap=cn(n.lineCap,o.borderCapStyle),d.lineDashOffset=cn(n.lineDashOffset,o.borderDashOffset),d.lineJoin=cn(n.lineJoin,o.borderJoinStyle),d.lineWidth=r,d.strokeStyle=cn(n.strokeStyle,a),d.setLineDash&&d.setLineDash(cn(n.lineDash,o.borderDash)),e.labels&&e.labels.usePointStyle){var s=f*Math.SQRT2/2,l=t+f/2,u=i+c/2;ut.canvas.drawPoint(d,n.pointStyle,s,l,u)}else 0!==r&&d.strokeRect(t,i,f,c),d.fillRect(t,i,f,c);d.restore()}}(b,x,n),g[u].left=b,g[u].top=x,function(t,e,i,n){var a=c/2,o=f+a+t,r=e+a;d.fillText(i.text,o,r),i.hidden&&(d.beginPath(),d.lineWidth=2,d.moveTo(o,r),d.lineTo(o+n,r),d.stroke())}(b,x,n,h),p?l.x+=v+i.padding:l.y+=m})}},_getLegendItemAt:function(t,e){var i,n,a,o=this;if(t>=o.left&&t<=o.right&&e>=o.top&&e<=o.bottom)for(a=o.legendHitBoxes,i=0;i=(n=a[i]).left&&t<=n.left+n.width&&e>=n.top&&e<=n.top+n.height)return o.legendItems[i];return null},handleEvent:function(t){var e,i=this,n=i.options,a="mouseup"===t.type?"click":t.type;if("mousemove"===a){if(!n.onHover&&!n.onLeave)return}else{if("click"!==a)return;if(!n.onClick)return}e=i._getLegendItemAt(t.x,t.y),"click"===a?e&&n.onClick&&n.onClick.call(i,t.native,e):(n.onLeave&&e!==i._hoveredItem&&(i._hoveredItem&&n.onLeave.call(i,t.native,i._hoveredItem),i._hoveredItem=e),n.onHover&&e&&n.onHover.call(i,t.native,e))}});function pn(t,e){var i=new gn({ctx:t.ctx,options:e,chart:t});ke.configure(t,i,e),ke.addBox(t,i),t.legend=i}var mn={id:"legend",_element:gn,beforeInit:function(t){var 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a/style/default/vendor/datatables/dataTables.bootstrap4.css b/style/default/vendor/datatables/dataTables.bootstrap4.css deleted file mode 100644 index 84ec203..0000000 --- a/style/default/vendor/datatables/dataTables.bootstrap4.css +++ /dev/null @@ -1,206 +0,0 @@ -table.dataTable { - clear: both; - margin-top: 6px !important; - margin-bottom: 6px !important; - max-width: none !important; - border-collapse: separate !important; - border-spacing: 0; -} -table.dataTable td, -table.dataTable th { - -webkit-box-sizing: content-box; - box-sizing: content-box; -} -table.dataTable td.dataTables_empty, -table.dataTable th.dataTables_empty { - text-align: center; -} -table.dataTable.nowrap th, -table.dataTable.nowrap td { - white-space: nowrap; -} - -div.dataTables_wrapper div.dataTables_length label { - font-weight: normal; - text-align: left; - white-space: nowrap; -} -div.dataTables_wrapper div.dataTables_length select { - width: auto; - display: inline-block; -} -div.dataTables_wrapper div.dataTables_filter { - text-align: right; -} -div.dataTables_wrapper div.dataTables_filter label { - font-weight: normal; - white-space: nowrap; - text-align: left; -} -div.dataTables_wrapper div.dataTables_filter input { - margin-left: 0.5em; - display: inline-block; - width: auto; -} -div.dataTables_wrapper div.dataTables_info { - padding-top: 0.85em; - white-space: nowrap; -} -div.dataTables_wrapper div.dataTables_paginate { - margin: 0; - white-space: nowrap; - text-align: right; -} -div.dataTables_wrapper div.dataTables_paginate ul.pagination { - margin: 2px 0; - white-space: nowrap; - justify-content: flex-end; -} -div.dataTables_wrapper div.dataTables_processing { - position: absolute; - top: 50%; - left: 50%; - width: 200px; - margin-left: -100px; - margin-top: -26px; - text-align: center; - padding: 1em 0; -} - -table.dataTable thead > tr > th.sorting_asc, table.dataTable thead > tr > th.sorting_desc, table.dataTable thead > tr > th.sorting, -table.dataTable thead > tr > td.sorting_asc, -table.dataTable thead > tr > td.sorting_desc, -table.dataTable thead > tr > td.sorting { - padding-right: 30px; -} -table.dataTable thead > tr > th:active, -table.dataTable thead > tr > td:active { - outline: none; -} -table.dataTable thead .sorting, -table.dataTable thead .sorting_asc, -table.dataTable thead .sorting_desc, -table.dataTable thead .sorting_asc_disabled, -table.dataTable thead .sorting_desc_disabled { - cursor: pointer; - position: relative; -} -table.dataTable thead .sorting:before, table.dataTable thead .sorting:after, -table.dataTable thead .sorting_asc:before, -table.dataTable thead .sorting_asc:after, -table.dataTable thead .sorting_desc:before, -table.dataTable thead .sorting_desc:after, -table.dataTable thead .sorting_asc_disabled:before, -table.dataTable thead .sorting_asc_disabled:after, -table.dataTable thead .sorting_desc_disabled:before, -table.dataTable thead .sorting_desc_disabled:after { - position: absolute; - bottom: 0.9em; - display: block; - opacity: 0.3; -} -table.dataTable thead .sorting:before, -table.dataTable thead .sorting_asc:before, -table.dataTable thead .sorting_desc:before, -table.dataTable thead .sorting_asc_disabled:before, -table.dataTable thead .sorting_desc_disabled:before { - right: 1em; - content: "\2191"; -} -table.dataTable thead .sorting:after, -table.dataTable thead .sorting_asc:after, -table.dataTable thead .sorting_desc:after, -table.dataTable thead .sorting_asc_disabled:after, -table.dataTable thead .sorting_desc_disabled:after { - right: 0.5em; - content: "\2193"; -} -table.dataTable thead .sorting_asc:before, -table.dataTable thead .sorting_desc:after { - opacity: 1; -} -table.dataTable thead .sorting_asc_disabled:before, -table.dataTable thead .sorting_desc_disabled:after { - opacity: 0; -} - -div.dataTables_scrollHead table.dataTable { - margin-bottom: 0 !important; -} - -div.dataTables_scrollBody table { - border-top: none; - margin-top: 0 !important; - margin-bottom: 0 !important; -} -div.dataTables_scrollBody table thead .sorting:before, -div.dataTables_scrollBody table thead .sorting_asc:before, -div.dataTables_scrollBody table thead .sorting_desc:before, -div.dataTables_scrollBody table thead .sorting:after, -div.dataTables_scrollBody table thead .sorting_asc:after, -div.dataTables_scrollBody table thead .sorting_desc:after { - display: none; -} -div.dataTables_scrollBody table tbody tr:first-child th, -div.dataTables_scrollBody table tbody tr:first-child td { - border-top: none; -} - -div.dataTables_scrollFoot > .dataTables_scrollFootInner { - box-sizing: content-box; -} -div.dataTables_scrollFoot > .dataTables_scrollFootInner > table { - margin-top: 0 !important; - border-top: none; -} - -@media screen and (max-width: 767px) { - div.dataTables_wrapper div.dataTables_length, - div.dataTables_wrapper div.dataTables_filter, - div.dataTables_wrapper div.dataTables_info, - div.dataTables_wrapper div.dataTables_paginate { - text-align: center; - } -} -table.dataTable.table-sm > thead > tr > th { - padding-right: 20px; -} -table.dataTable.table-sm .sorting:before, -table.dataTable.table-sm .sorting_asc:before, -table.dataTable.table-sm .sorting_desc:before { - top: 5px; - right: 0.85em; -} -table.dataTable.table-sm .sorting:after, -table.dataTable.table-sm .sorting_asc:after, -table.dataTable.table-sm .sorting_desc:after { - top: 5px; -} - -table.table-bordered.dataTable th, -table.table-bordered.dataTable td { - border-left-width: 0; -} -table.table-bordered.dataTable th:last-child, table.table-bordered.dataTable th:last-child, -table.table-bordered.dataTable td:last-child, -table.table-bordered.dataTable td:last-child { - border-right-width: 0; -} -table.table-bordered.dataTable tbody th, -table.table-bordered.dataTable tbody td { - border-bottom-width: 0; -} - -div.dataTables_scrollHead table.table-bordered { - border-bottom-width: 0; -} - -div.table-responsive > div.dataTables_wrapper > div.row { - margin: 0; -} -div.table-responsive > div.dataTables_wrapper > div.row > div[class^="col-"]:first-child { - padding-left: 0; -} -div.table-responsive > div.dataTables_wrapper > div.row > div[class^="col-"]:last-child { - padding-right: 0; -} diff --git a/style/default/vendor/datatables/dataTables.bootstrap4.js b/style/default/vendor/datatables/dataTables.bootstrap4.js deleted file mode 100644 index f2d2ad5..0000000 --- a/style/default/vendor/datatables/dataTables.bootstrap4.js +++ /dev/null @@ -1,184 +0,0 @@ -/*! DataTables Bootstrap 4 integration - * ©2011-2017 SpryMedia Ltd - datatables.net/license - */ - -/** - * DataTables integration for Bootstrap 4. This requires Bootstrap 4 and - * DataTables 1.10 or newer. - * - * This file sets the defaults and adds options to DataTables to style its - * controls using Bootstrap. See http://datatables.net/manual/styling/bootstrap - * for further information. - */ -(function( factory ){ - if ( typeof define === 'function' && define.amd ) { - // AMD - define( ['jquery', 'datatables.net'], function ( $ ) { - return factory( $, window, document ); - } ); - } - else if ( typeof exports === 'object' ) { - // CommonJS - module.exports = function (root, $) { - if ( ! root ) { - root = window; - } - - if ( ! $ || ! $.fn.dataTable ) { - // Require DataTables, which attaches to jQuery, including - // jQuery if needed and have a $ property so we can access the - // jQuery object that is used - $ = require('datatables.net')(root, $).$; - } - - return factory( $, root, root.document ); - }; - } - else { - // Browser - factory( jQuery, window, document ); - } -}(function( $, window, document, undefined ) { -'use strict'; -var DataTable = $.fn.dataTable; - - -/* Set the defaults for DataTables initialisation */ -$.extend( true, DataTable.defaults, { - dom: - "<'row'<'col-sm-12 col-md-6'l><'col-sm-12 col-md-6'f>>" + - "<'row'<'col-sm-12'tr>>" + - "<'row'<'col-sm-12 col-md-5'i><'col-sm-12 col-md-7'p>>", - renderer: 'bootstrap' -} ); - - -/* Default class modification */ -$.extend( DataTable.ext.classes, { - sWrapper: "dataTables_wrapper dt-bootstrap4", - sFilterInput: "form-control form-control-sm", - sLengthSelect: "custom-select custom-select-sm form-control form-control-sm", - sProcessing: "dataTables_processing card", - sPageButton: "paginate_button page-item" -} ); - - -/* Bootstrap paging button renderer */ -DataTable.ext.renderer.pageButton.bootstrap = function ( settings, host, idx, buttons, page, pages ) { - var api = new DataTable.Api( settings ); - var classes = settings.oClasses; - var lang = settings.oLanguage.oPaginate; - var aria = settings.oLanguage.oAria.paginate || {}; - var btnDisplay, btnClass, counter=0; - - var attach = function( container, buttons ) { - var i, ien, node, button; - var clickHandler = function ( e ) { - e.preventDefault(); - if ( !$(e.currentTarget).hasClass('disabled') && api.page() != e.data.action ) { - api.page( e.data.action ).draw( 'page' ); - } - }; - - for ( i=0, ien=buttons.length ; i 0 ? - '' : ' disabled'); - break; - - case 'previous': - btnDisplay = lang.sPrevious; - btnClass = button + (page > 0 ? - '' : ' disabled'); - break; - - case 'next': - btnDisplay = lang.sNext; - btnClass = button + (page < pages-1 ? - '' : ' disabled'); - break; - - case 'last': - btnDisplay = lang.sLast; - btnClass = button + (page < pages-1 ? - '' : ' disabled'); - break; - - default: - btnDisplay = button + 1; - btnClass = page === button ? - 'active' : ''; - break; - } - - if ( btnDisplay ) { - node = $('
  • ', { - 'class': classes.sPageButton+' '+btnClass, - 'id': idx === 0 && typeof button === 'string' ? - settings.sTableId +'_'+ button : - null - } ) - .append( $('', { - 'href': '#', - 'aria-controls': settings.sTableId, - 'aria-label': aria[ button ], - 'data-dt-idx': counter, - 'tabindex': settings.iTabIndex, - 'class': 'page-link' - } ) - .html( btnDisplay ) - ) - .appendTo( container ); - - settings.oApi._fnBindAction( - node, {action: button}, clickHandler - ); - - counter++; - } - } - } - }; - - // IE9 throws an 'unknown error' if document.activeElement is used - // inside an iframe or frame. - var activeEl; - - try { - // Because this approach is destroying and recreating the paging - // elements, focus is lost on the select button which is bad for - // accessibility. So we want to restore focus once the draw has - // completed - activeEl = $(host).find(document.activeElement).data('dt-idx'); - } - catch (e) {} - - attach( - $(host).empty().html('