Tkinter Message Box Demo

This code is based on the Tcl msgbox.tcl demo. Select an icon and type then press the Show Message Box to see the configured message box.

# File: msgbox.py
#    http://hg.python.org/cpython/file/4e32c450f438/Lib/tkinter/messagebox.py

from tkinter import *
from tkinter import ttk
import tkinter.messagebox as mbox

from demopanels import MsgPanel, SeeDismissPanel

class MsgBoxDemo(ttk.Frame):
    
    def __init__(self, isapp=True, name='msgboxdemo'):
        ttk.Frame.__init__(self, name=name)
        self.pack(expand=Y, fill=BOTH)
        self.master.title('Message Box Demo')
        self.isapp = isapp
        self._create_widgets()
        
    def _create_widgets(self):
        if self.isapp:
            MsgPanel(self, 
                     ["Choose the icon and type option for the message box.\n",
                      "Press the 'Show Message Box' button to see an example ",
                      "message box based on your choices."])
            
            SeeDismissPanel(self)
        
        self._create_demo_panel()
        
    def _create_demo_panel(self):
        demoPanel = Frame(self)
        demoPanel.pack(side=TOP, fill=BOTH, expand=Y)
        
        bottom = Frame(demoPanel)
        bottom.pack(side=BOTTOM, fill=X)
        left = Frame(demoPanel)
        right = Frame(demoPanel)
        left.pack(side=LEFT, expand=True, padx=10, pady=10, fill=BOTH)
        right.pack(side=LEFT, expand=True, padx=10, pady=10, fill=BOTH)

        # Msg Button
        ttk.Button(bottom, text='Show Message Box', 
                   command=self._show_msg).pack(side=TOP)

        # Message box Icon panel
        ttk.Label(left, text='Icon').pack(side=TOP)
        ttk.Separator(left, orient=HORIZONTAL).pack(side=TOP, fill=X, expand=False)
        self.__iconVar = StringVar()
        for item in ('error', 'info', 'question', 'warning'):
            rb = ttk.Radiobutton(left, text=item, variable=self.__iconVar,
                                 value=item)
            rb.pack(side=TOP, pady=2, padx=10, anchor=W, fill=X)
        self.__iconVar.set('info')

        # Message box Type panel
        ttk.Label(right, text='Type').pack(side=TOP)
        ttk.Separator(right, orient=HORIZONTAL).pack(side=TOP, fill=X, expand=False)
        self.__typeVar = StringVar()
        for item in ('abortretryignore', 'ok', 'okcancel', 
                     'retrycancel', 'yesno', 'yesnocancel'):
            rb = ttk.Radiobutton(right, text=item, variable=self.__typeVar,
                                 value=item)
            rb.pack(side=TOP, pady=2, padx=10, anchor=W, fill=X)
        self.__typeVar.set('ok')
        
    def _show_msg(self):
        # triggered when user presses the 'Show Message Box' button
        mbicon = self.__iconVar.get()
        mbtype = self.__typeVar.get()
        
        msg = "This is a message box of type '{}', with icon '{}'".format(mbtype, mbicon)
        
        mb = mbox.Message(parent=self, title='Message Box', message=msg,
                          icon=mbicon, type=mbtype)
        res = mb.show()
        mbox.Message(self, icon='info', type='ok',
                     title='Message Box Selection',
                     message='You clicked on {}'.format(res)).show()
                
if __name__ == '__main__':
    MsgBoxDemo().mainloop()