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#------------------------------------------------------------------------------
# Copyright (c) 2005, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/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!
#
# Author: Enthought, Inc.
# Description: <Enthought pyface package component>
#------------------------------------------------------------------------------
""" The base interface for all pyface widgets. """
# Enthought library imports.
from traits.api import Any, Interface
class IWidget(Interface):
""" The base interface for all pyface widgets.
Pyface widgets delegate to a toolkit specific control.
"""
#### 'IWidget' interface ##################################################
# The toolkit specific control that represents the widget.
control = Any
# The control's optional parent control.
parent = Any
###########################################################################
# 'IWidget' interface.
###########################################################################
def destroy(self):
""" Destroy the control if it exists. """
###########################################################################
# Protected 'IWidget' interface.
###########################################################################
def _create(self):
""" Creates the toolkit specific control. """
def _create_control(self, parent):
""" Create and return the toolkit specific control that represents the
widget.
"""
class MWidget(object):
""" The mixin class that contains common code for toolkit specific
implementations of the IWidget interface.
Implements: _create()
"""
###########################################################################
# Protected 'IWidget' interface.
###########################################################################
def _create(self):
self.control = self._create_control(self.parent)
def _create_control(self, parent):
raise NotImplementedError
#### EOF ######################################################################
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