#------------------------------------------------------------------------------
# Copyright (c) 2013, Nucleic Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file LICENSE, distributed with this software.
#------------------------------------------------------------------------------
from atom.api import Bool, Str, Typed, ForwardTyped, set_default
from enaml.core.declarative import d_, observe
from .bounded_date import BoundedDate, ProxyBoundedDate
class ProxyDateSelector(ProxyBoundedDate):
""" The abstract definition of a proxy DateSelector object.
"""
#: A reference to the DateSelector declaration.
declaration = ForwardTyped(lambda: DateSelector)
def set_date_format(self, format):
raise NotImplementedError
def set_calendar_popup(self, popup):
raise NotImplementedError
[docs]
class DateSelector(BoundedDate):
""" A widget to edit a Python datetime.date object.
A DateSelector displays a Python datetime.date using an appropriate
toolkit specific control. This is a geometrically smaller control
than what is provided by Calendar.
"""
#: A python date format string to format the date for display.
#: If none is supplied (or is invalid) the system locale setting
#: is used. This may not be supported by all backends.
date_format = d_(Str())
#: Whether to use a calendar popup for selecting the date.
calendar_popup = d_(Bool(False))
#: A date selector expands freely in width by default.
hug_width = set_default('ignore')
#: A reference to the ProxyDateSelector object.
proxy = Typed(ProxyDateSelector)
#--------------------------------------------------------------------------
# Observers
#--------------------------------------------------------------------------
@observe('date_format', 'calendar_popup')
def _update_proxy(self, change):
""" An observer which updates the proxy with state change.
"""
# The superclass implementation is sufficient.
super(DateSelector, self)._update_proxy(change)