114 lines
4.4 KiB
Python
114 lines
4.4 KiB
Python
"""
|
|
a couple of classes for implementing partial tabbed-page like behaviour
|
|
"""
|
|
|
|
from Tkinter import *
|
|
|
|
class InvalidTabPage(Exception): pass
|
|
class AlreadyExists(Exception): pass
|
|
|
|
class PageTab(Frame):
|
|
"""
|
|
a 'page tab' like framed button
|
|
"""
|
|
def __init__(self,parent):
|
|
Frame.__init__(self, parent,borderwidth=2,relief=RIDGE)
|
|
self.button=Radiobutton(self,padx=5,pady=5,takefocus=FALSE,
|
|
indicatoron=FALSE,highlightthickness=0,
|
|
borderwidth=0,selectcolor=self.cget('bg'))
|
|
self.button.pack()
|
|
|
|
class TabPageSet(Frame):
|
|
"""
|
|
a set of 'pages' with TabButtons for controlling their display
|
|
"""
|
|
def __init__(self,parent,pageNames=[],**kw):
|
|
"""
|
|
pageNames - a list of strings, each string will be the dictionary key
|
|
to a page's data, and the name displayed on the page's tab. Should be
|
|
specified in desired page order. The first page will be the default
|
|
and first active page.
|
|
"""
|
|
Frame.__init__(self, parent, kw)
|
|
self.grid_location(0,0)
|
|
self.columnconfigure(0,weight=1)
|
|
self.rowconfigure(1,weight=1)
|
|
self.tabBar=Frame(self)
|
|
self.tabBar.grid(row=0,column=0,sticky=EW)
|
|
self.activePage=StringVar(self)
|
|
self.defaultPage=''
|
|
self.pages={}
|
|
for name in pageNames:
|
|
self.AddPage(name)
|
|
|
|
def ChangePage(self,pageName=None):
|
|
if pageName:
|
|
if pageName in self.pages.keys():
|
|
self.activePage.set(pageName)
|
|
else:
|
|
raise InvalidTabPage, 'Invalid TabPage Name'
|
|
## pop up the active 'tab' only
|
|
for page in self.pages.keys():
|
|
self.pages[page]['tab'].config(relief=RIDGE)
|
|
self.pages[self.GetActivePage()]['tab'].config(relief=RAISED)
|
|
## switch page
|
|
self.pages[self.GetActivePage()]['page'].lift()
|
|
|
|
def GetActivePage(self):
|
|
return self.activePage.get()
|
|
|
|
def AddPage(self,pageName):
|
|
if pageName in self.pages.keys():
|
|
raise AlreadyExists, 'TabPage Name Already Exists'
|
|
self.pages[pageName]={'tab':PageTab(self.tabBar),
|
|
'page':Frame(self,borderwidth=2,relief=RAISED)}
|
|
self.pages[pageName]['tab'].button.config(text=pageName,
|
|
command=self.ChangePage,variable=self.activePage,
|
|
value=pageName)
|
|
self.pages[pageName]['tab'].pack(side=LEFT)
|
|
self.pages[pageName]['page'].grid(row=1,column=0,sticky=NSEW)
|
|
if len(self.pages)==1: # adding first page
|
|
self.defaultPage=pageName
|
|
self.activePage.set(self.defaultPage)
|
|
self.ChangePage()
|
|
|
|
def RemovePage(self,pageName):
|
|
if not pageName in self.pages.keys():
|
|
raise InvalidTabPage, 'Invalid TabPage Name'
|
|
self.pages[pageName]['tab'].pack_forget()
|
|
self.pages[pageName]['page'].grid_forget()
|
|
self.pages[pageName]['tab'].destroy()
|
|
self.pages[pageName]['page'].destroy()
|
|
del(self.pages[pageName])
|
|
# handle removing last remaining, or default, or active page
|
|
if not self.pages: # removed last remaining page
|
|
self.defaultPage=''
|
|
return
|
|
if pageName==self.defaultPage: # set a new default page
|
|
self.defaultPage=\
|
|
self.tabBar.winfo_children()[0].button.cget('text')
|
|
if pageName==self.GetActivePage(): # set a new active page
|
|
self.activePage.set(self.defaultPage)
|
|
self.ChangePage()
|
|
|
|
if __name__ == '__main__':
|
|
#test dialog
|
|
root=Tk()
|
|
tabPage=TabPageSet(root,pageNames=['Foobar','Baz'])
|
|
tabPage.pack(expand=TRUE,fill=BOTH)
|
|
Label(tabPage.pages['Foobar']['page'],text='Foo',pady=20).pack()
|
|
Label(tabPage.pages['Foobar']['page'],text='Bar',pady=20).pack()
|
|
Label(tabPage.pages['Baz']['page'],text='Baz').pack()
|
|
entryPgName=Entry(root)
|
|
buttonAdd=Button(root,text='Add Page',
|
|
command=lambda:tabPage.AddPage(entryPgName.get()))
|
|
buttonRemove=Button(root,text='Remove Page',
|
|
command=lambda:tabPage.RemovePage(entryPgName.get()))
|
|
labelPgName=Label(root,text='name of page to add/remove:')
|
|
buttonAdd.pack(padx=5,pady=5)
|
|
buttonRemove.pack(padx=5,pady=5)
|
|
labelPgName.pack(padx=5)
|
|
entryPgName.pack(padx=5)
|
|
tabPage.ChangePage()
|
|
root.mainloop()
|