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# (C) Copyright 2005-2023 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!
""" The 'null' backend specific implementation of a menu manager.
"""
from traits.api import Str
from pyface.action.action_manager import ActionManager
from pyface.action.action_manager_item import ActionManagerItem
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 = Str()
# ------------------------------------------------------------------------
# '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. """
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.")
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