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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!
"""
This demo shows how to dynamically change the label or image of a button. Note
in this demo clicking the button itself does nothing.
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 pyface.api import Image, ImageResource
from traits.api import Button, Enum, HasTraits, Instance, List, Str
from traitsui.api import (
ButtonEditor,
Group,
ImageEditor,
InstanceChoice,
InstanceEditor,
Item,
UItem,
View,
)
import traitsui.extras
class ImageChoice(InstanceChoice):
def get_view(self):
return View(UItem('name', editor=ImageEditor(image=self.object)))
class ButtonEditorDemo(HasTraits):
my_button = Button()
my_button_label = Str("Initial Label")
my_button_image = Image()
my_button_image_options = List(
Image(),
value=[
ImageResource("run", [traitsui.extras]),
ImageResource("previous", [traitsui.extras]),
ImageResource("next", [traitsui.extras]),
ImageResource("parent", [traitsui.extras]),
ImageResource("reload", [traitsui.extras]),
],
)
def _my_button_image_default(self):
return self.my_button_image_options[0]
traits_view = View(
Item(
"my_button",
style="custom",
editor=ButtonEditor(
label_value="my_button_label",
image_value="my_button_image",
orientation="horizontal",
),
),
Item("my_button_label"),
Item(
"my_button_image",
editor=InstanceEditor(
name="my_button_image_options", adapter=ImageChoice
),
style="custom",
),
)
# Create the demo:
demo = ButtonEditorDemo()
# Run the demo (if invoked from the command line):
if __name__ == '__main__':
demo.configure_traits()
|
