Source code for pyface.workbench.action.set_active_perspective_action

# (C) Copyright 2005-2022 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!
""" An action that sets the active perspective. """


from pyface.workbench.api import IPerspective
from traits.api import Delegate, Instance, observe


from .workbench_action import WorkbenchAction


[docs]class SetActivePerspectiveAction(WorkbenchAction): """ An action that sets the active perspective. """ # 'Action' interface --------------------------------------------------- # Is the action enabled? enabled = Delegate("perspective") # The action's unique identifier (may be None). id = Delegate("perspective") # The action's name (displayed on menus/tool bar tools etc). name = Delegate("perspective") # The action's style. style = "radio" # 'SetActivePerspectiveAction' interface ------------------------------- # The perspective that we set the active perspective to. perspective = Instance(IPerspective) # ------------------------------------------------------------------------ # 'Action' interface. # ------------------------------------------------------------------------
[docs] def destroy(self): """ Destroy the action. """ self.window = None
[docs] def perform(self, event): """ Perform the action. """ self.window.active_perspective = self.perspective return
# ------------------------------------------------------------------------ # Private interface. # ------------------------------------------------------------------------ @observe("perspective,window.active_perspective") def _refresh_checked(self, event): """ Refresh the checked state of the action. """ self.checked = ( self.perspective is not None and self.window is not None and self.window.active_perspective is not None and self.perspective.id is self.window.active_perspective.id ) return