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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 'null' backend specific implementation of a menu manager.
"""
# Enthought library imports.
from enthought.traits.api import Unicode
# Local imports.
from enthought.pyface.action.action_manager import ActionManager
from enthought.pyface.action.action_manager_item import ActionManagerItem
from enthought.pyface.action.group import Group
class MenuManager(ActionManager, ActionManagerItem):
""" A menu manager realizes itself in a menu control.
This could be a sub-menu or a context (popup) menu.
"""
#### 'MenuManager' interface ##############################################
# The menu manager's name (if the manager is a sub-menu, this is what its
# label will be).
name = Unicode
###########################################################################
# 'MenuManager' interface.
###########################################################################
def create_menu(self, parent, controller=None):
""" Creates a menu representation of the manager. """
# If a controller is required it can either be set as a trait on the
# menu manager (the trait is part of the 'ActionManager' API), or
# passed in here (if one is passed in here it takes precedence over the
# trait).
if controller is None:
controller = self.controller
return None
###########################################################################
# 'ActionManagerItem' interface.
###########################################################################
def add_to_menu(self, parent, menu, controller):
""" Adds the item to a menu. """
return
def add_to_toolbar(self, parent, tool_bar, image_cache, controller):
""" Adds the item to a tool bar. """
raise ValueError("Cannot add a menu manager to a toolbar.")
#### EOF ######################################################################
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