title = 'Subclassing Pmw.Counter'

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

import string
import time
import types
import Tkinter
import Pmw

class LabeledDateCounter(Pmw.Counter):

    def __init__(self, parent=None , **kw):

	# Need to use long ints here because on the Macintosh the maximum size
	# of an integer is smaller than the value returned by time.time().
	now = (long(time.time()) / 300) * 300
        text = time.strftime('%y/%m/%d', time.localtime(now))

	# Define the megawidget options.
	optiondefs = (
            ('datatype',              'date',     None),
            ('entryfield_validate',   'date',     None),
            ('entryfield_value',      text,       None),
            ('labelpos',              'w',        None),
	)
	self.defineoptions(kw, optiondefs)

	# Initialise the base class (after defining the options).
	Pmw.Counter.__init__(self, parent)

	# Check keywords and initialise options.
	self.initialiseoptions(LabeledDateCounter)

class LabeledRealCounter(Pmw.Counter):

    def __init__(self, parent=None , **kw):

        # Define the validate option dictionary.
        validate = {'validator' : 'real', 'min' : 0.0, 'max' : 100.0}
	# Define the megawidget options.
	optiondefs = (
            ('datatype',              'real',     None),
            ('entryfield_validate',   validate,   None),
            ('entryfield_value',      50.0,       None),
            ('labelpos',              'w',        None),
	)
	self.defineoptions(kw, optiondefs)

	# Initialise the base class (after defining the options).
	Pmw.Counter.__init__(self, parent)

	# Check keywords and initialise options.
	self.initialiseoptions(LabeledRealCounter)

class Demo:
    def __init__(self, parent):
	# Create and pack some LabeledDateCounters and LabeledRealCounter.
	self._date1 = LabeledDateCounter(parent, label_text = 'Date:')
	self._date2 = LabeledDateCounter(parent, label_text = 'Another Date:')
	self._real1 = LabeledRealCounter(parent, label_text = 'Real:')
	self._real2 = LabeledRealCounter(parent, label_text = 'Another Real:')

	counters = (self._date1, self._date2, self._real1, self._real2)

	for counter in counters:
	    counter.pack(fill='x', expand=1, padx=10, pady=5)
	Pmw.alignlabels(counters)

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

# Create demo in root window for testing.
if __name__ == '__main__':
    root = Tkinter.Tk()
    Pmw.initialise(root, fontScheme = 'pmw1')
    root.title(title)

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