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#!/usr/bin/env python
# -*- mode: python; coding: utf-8; -*-
# ---------------------------------------------------------------------------
#
# Copyright (C) 1998-2003 Markus Franz Xaver Johannes Oberhumer
# Copyright (C) 2003 Mt. Hood Playing Card Co.
# Copyright (C) 2005-2009 Skomoroh
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# ---------------------------------------------------------------------------
"""
a couple of classes for implementing partial tabbed-page like behaviour
"""
import tkinter
MYRIDGE, MYRAISED = tkinter.RAISED, tkinter.RIDGE
# MYRIDGE, MYRAISED = tkinter.RIDGE, tkinter.RAISED
class InvalidTabPage(Exception):
pass
class AlreadyExists(Exception):
pass
class PageTab(tkinter.Frame):
"""
a 'page tab' like framed button
"""
def __init__(self, parent):
tkinter.Frame.__init__(self, parent, borderwidth=2, relief=MYRIDGE)
self.button = tkinter.Radiobutton(
self, padx=5, pady=5, takefocus=0,
indicatoron=tkinter.FALSE, highlightthickness=0,
borderwidth=0, selectcolor=self.cget('bg'))
self.button.pack()
class TabPageSet(tkinter.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.
"""
tkinter.Frame.__init__(self, parent, kw)
self.grid_location(0, 0)
self.columnconfigure(0, weight=1)
self.rowconfigure(1, weight=1)
self.tabBar = tkinter.Frame(self)
self.tabBar.grid(row=0, column=0, sticky=tkinter.EW)
self.activePage = tkinter.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=MYRIDGE)
self.pages[self.GetActivePage()]['tab'].config(relief=MYRAISED)
# 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': tkinter.Frame(self, borderwidth=2, relief=tkinter.RAISED)
}
self.pages[pageName]['tab'].button.config(
text=pageName,
command=self.ChangePage,
variable=self.activePage,
value=pageName
)
self.pages[pageName]['tab'].pack(side=tkinter.LEFT)
self.pages[pageName]['page'].grid(row=1, column=0, sticky=tkinter.NSEW)
if len(self.pages) == 1: # adding first page
self.defaultPage = pageName
self.activePage.set(self.defaultPage)
self.ChangePage()
def RemovePage(self, pageName):
if pageName not 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 = tkinter.Tk()
tabPage = TabPageSet(root, pageNames=['Foobar', 'Baz'])
tabPage.pack(expand=tkinter.TRUE, fill=tkinter.BOTH)
tkinter.Label(tabPage.pages['Foobar']['page'], text='Foo', pady=20).pack()
tkinter.Label(tabPage.pages['Foobar']['page'], text='Bar', pady=20).pack()
tkinter.Label(tabPage.pages['Baz']['page'], text='Baz').pack()
entryPgName = tkinter.Entry(root)
buttonAdd = tkinter.Button(
root, text='Add Page',
command=lambda: tabPage.AddPage(entryPgName.get()))
buttonRemove = tkinter.Button(
root, text='Remove Page',
command=lambda: tabPage.RemovePage(entryPgName.get()))
labelPgName = tkinter.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()
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