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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!
"""
**WARNING**
This demo might not work as expected and some documented features might be
missing.
-------------------------------------------------------------------------------
Implementation of an InstanceEditor demo plugin for the Traits UI demo program.
This demo shows each of the four styles of the InstanceEditor
Fixme: This version of the demo only shows the old-style InstanceEditor
capabilities.
Please refer to the `InstanceEditor API docs`_ for further information.
.. _InstanceEditor API docs: https://docs.enthought.com/traitsui/api/traitsui.editors.instance_editor.html#traitsui.editors.instance_editor.InstanceEditor
"""
# Issue related to the demo warning: enthought/traitsui#939
from traits.api import HasTraits, Str, Range, Bool, Instance
from traitsui.api import Item, Group, View
# -------------------------------------------------------------------------
# Classes:
# -------------------------------------------------------------------------
class SampleClass(HasTraits):
"""This Sample class is used to demonstrate the InstanceEditor demo."""
# The actual attributes don't matter here; we just need an assortment
# to demonstrate the InstanceEditor's capabilities.:
name = Str()
occupation = Str()
age = Range(21, 65)
registered_voter = Bool()
# The InstanceEditor uses whatever view is defined for the class. The
# default view lists the fields alphabetically, so it's best to define one
# explicitly:
traits_view = View('name', 'occupation', 'age', 'registered_voter')
class InstanceEditorDemo(HasTraits):
"""This class specifies the details of the InstanceEditor demo."""
# Create an Instance trait to view:
sample_instance = Instance(SampleClass, ())
# Items are used to define the demo display, one item per editor style:
inst_group = Group(
Item('sample_instance', style='simple', label='Simple', id="simple"),
Item('_'),
Item('sample_instance', style='custom', label='Custom', id="custom"),
Item('_'),
Item('sample_instance', style='text', label='Text'),
Item('_'),
Item('sample_instance', style='readonly', label='ReadOnly'),
)
# Demo View:
traits_view = View(
inst_group, title='InstanceEditor', buttons=['OK'], resizable=True
)
# Create the demo:
demo = InstanceEditorDemo()
# Run the demo (if invoked from the command line):
if __name__ == '__main__':
demo.configure_traits()
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