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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 a DateEditor demo plugin for Traits UI demo program.
This demo shows a few different styles of the DateEditor and how it can be
customized.
"""
# Issue related to the demo warning: enthought/traitsui#962
from traits.api import HasTraits, Date, List, Str
from traitsui.api import View, Item, DateEditor, Group
class DateEditorDemo(HasTraits):
"""Demo class to show Date editors."""
single_date = Date()
multi_date = List(Date)
info_string = Str(
'The editors for Traits Date objects. Showing both '
'the defaults, and one with alternate options.'
)
multi_select_editor = DateEditor(
allow_future=False,
multi_select=True,
shift_to_select=False,
on_mixed_select='max_change',
# Qt ignores these setting and always shows only 1 month:
months=2,
padding=30,
)
traits_view = View(
Item('info_string', show_label=False, style='readonly'),
Group(
Item('single_date', label='Simple date editor'),
Item('single_date', style='custom', label='Default custom editor'),
Item(
'single_date',
style='readonly',
editor=DateEditor(
strftime='You picked %B %d %Y',
message='Click a date above.',
),
label='ReadOnly editor',
),
label='Default settings for editors',
),
Group(
Item(
'multi_date',
editor=multi_select_editor,
style='custom',
label='Multi-select custom editor',
),
label='More customized editor: multi-select; disallow '
'future; selection style; etc.',
),
resizable=True,
)
def _multi_date_changed(self):
"""Print each time the date value is changed in the editor."""
print(self.multi_date)
def _simple_date_changed(self):
"""Print each time the date value is changed in the editor."""
print(self.simple_date, self.single_date)
def _single_date_changed(self):
"""Print each time the date value is changed in the editor."""
print(self.single_date)
# -- Set Up The Demo ------------------------------------------------------
demo = DateEditorDemo()
if __name__ == "__main__":
demo.configure_traits()
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