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"""
Button editor
A Button trait is displayed as a button in a Traits UI view. When the button is
clicked, Traits UI will execute a method of your choice (a 'listener').
In this example, the listener just increments a click counter.
"""
from traits.api import HasTraits, Button, Int
from traitsui.api import View
class ButtonEditorDemo(HasTraits):
""" Defines the main ButtonEditor demo class. """
# Define a Button trait:
my_button_trait = Button('Click Me')
click_counter = Int
# When the button is clicked, do something.
# The listener method is named '_TraitName_fired', where
# 'TraitName' is the name of the button trait.
def _my_button_trait_fired(self):
self.click_counter += 1
# Demo view:
traits_view = View(
'my_button_trait',
'click_counter',
title = 'ButtonEditor',
buttons = [ 'OK' ],
resizable = True
)
# Create the demo:
demo = ButtonEditorDemo()
# Run the demo (if invoked from the command line):
if __name__ == '__main__':
demo.configure_traits()
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