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# (C) Copyright 2004-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
"""
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.
Please refer to the `ButtonEditor API docs`_ for further information.
.. _ButtonEditor API docs: https://docs.enthought.com/traitsui/api/traitsui.editors.button_editor.html#traitsui.editors.button_editor.ButtonEditor
"""
from traits.api import HasTraits, Button, Int, observe
from traitsui.api import Item, View
class ButtonEditorDemo(HasTraits):
"""Defines the main ButtonEditor demo class."""
# Define a Button trait:
my_button_trait = Button('Click Me')
click_counter = Int(0)
# When the button is clicked, do something.
@observe("my_button_trait")
def _increment_counter(self, event):
self.click_counter += 1
# Demo view:
traits_view = View(
'my_button_trait',
Item('click_counter', style='readonly'),
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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