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)
def multi_select_custom_view():
view = View(
Item(
name="dates", style="custom", editor=DateEditor(multi_select=True)
)
)
return view
def single_select_custom_view():
view = View(
Item(
name='single_date',
style="custom",
editor=DateEditor(multi_select=False),
))
return view
def date_editor():
""" Factory function that returns a Date editor for editing Date values.
"""
global DateEditor
if DateEditor is None:
from traitsui.api import DateEditor
DateEditor = DateEditor()
return DateEditor
def multi_select_selected_color_view():
view = View(
Item(
name="dates",
style="custom",
editor=DateEditor(
multi_select=True,
selected_style=CellFormat(bold=True, bgcolor=(128, 10, 0)),
),
))
return view
def _get_date_group(self):
f_grp = HGroup(
UItem('analysis_type', editor=EnumEditor(name='analysis_types')),
UItem('mass_spectrometer',
editor=EnumEditor(name='mass_spectrometers')),
UItem('extraction_device',
editor=EnumEditor(name='extraction_devices')))
grp = VGroup(
f_grp, Heading('Start'),
UItem('start_date',
editor=DateEditor(allow_future=False),
style='custom'), UItem('start_time', ), Item('_'),
Heading('End'),
UItem('end_date',
editor=DateEditor(allow_future=False),
style='custom'), UItem('end_time', ))
return VSplit(grp,
self._get_analysis_group(base='danalysis'),
label='Date')
def date_editor():
""" Factory function that returns a Date editor for editing Date values.
"""
from traitsui.api import DateEditor
return DateEditor()