Pmw CounterDialog demonstration

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title = 'Pmw.CounterDialog demonstration'

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

import string
import Tkinter
import Pmw

class Demo:
    def __init__(self, parent):
  # Create the dialog to prompt for the number of times to ring the bell.
  self.dialog = Pmw.CounterDialog(parent,
      label_text = 'Enter the number of times to\n' + \
        'sound the bell (1 to 5)\n',
      counter_labelpos = 'n',
      entryfield_value = 2,
      counter_datatype = 'numeric',
      entryfield_validate =
    {'validator' : 'numeric', 'min' : 1, 'max' : 5},
      buttons = ('OK', 'Cancel'),
      defaultbutton = 'OK',
      title = 'Bell ringing',
      command = self.execute)
  self.dialog.withdraw()

  # Create button to launch the dialog.
  w = Tkinter.Button(parent, text = 'Show counter dialog',
          command = self.dialog.activate)
  w.pack(padx = 8, pady = 8)

    def execute(self, result):
  if result is None or result == 'Cancel':
      print 'Bell ringing cancelled'
      self.dialog.deactivate()
  else:
      count = self.dialog.get()
      if not self.dialog.valid():
    print 'Invalid entry: "' + count + '"'
      else:
    print 'Ringing the bell ' + count + ' times'
    for num in range(string.atoi(count)):
        if num != 0:
      self.dialog.after(200)
        self.dialog.bell()
    self.dialog.deactivate()

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

# 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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