Pmw MessageDialog Demo (2) : Pmw MessageDialog « GUI Pmw « Python






Pmw MessageDialog Demo (2)

#Pmw copyright

#Copyright 1997-1999 Telstra Corporation Limited, Australia 
#Copyright 2000-2002 Really Good Software Pty Ltd, Australia

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title = 'Modal dialog nesting demonstration'

# Import Pmw from this directory tree.
import sys
sys.path[:0] = ['../../..']

import Tkinter
import Pmw

class Demo:
    def __init__(self, parent):
  # Create button to launch the dialog.
  w = Tkinter.Button(parent, text = 'Show first dialog',
          command = self.showFirstDialog)
  w.pack(padx = 8, pady = 8)

        self.timerId = None

  self.dialog1 = Pmw.MessageDialog(parent,
    message_text = 'This is the first modal dialog.\n' +
      'You can see how dialogs nest by\n' +
      'clicking on the "Next" button.',
    title = 'Dialog 1',
    buttons = ('Next', 'Cancel'),
    defaultbutton = 'Next',
    command = self.next_dialog)
  self.dialog1.withdraw()

  self.dialog2 = Pmw.Dialog(self.dialog1.interior(),
    title = 'Dialog 2',
    buttons = ('Cancel',),
    deactivatecommand = self.cancelTimer,
    defaultbutton = 'Cancel')
  self.dialog2.withdraw()
  w = Tkinter.Label(self.dialog2.interior(),
      text = 'This is the second modal dialog.\n' +
    'It will automatically disappear shortly')
  w.pack(padx = 10, pady = 10)

    def showFirstDialog(self):
  self.dialog1.activate()

    def cancelTimer(self):
        if self.timerId is not None:
            self.dialog2.after_cancel(self.timerId)
            self.timerId = None

    def deactivateSecond(self):
        self.timerId = None
  self.dialog2.deactivate()

    def next_dialog(self, result):
  if result != 'Next':
      self.dialog1.deactivate()
      return

  self.timerId = self.dialog2.after(3000, self.deactivateSecond)
  self.dialog2.activate()

######################################################################

# Create demo in root window for testing.
if __name__ == '__main__':
    root = Tkinter.Tk()
    Pmw.initialise(root)
    root.title(title)

    exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
    exitButton.pack(side = 'bottom')
    widget = Demo(root)
    root.mainloop()

           
       








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