Source code for pyface.workbench.action.view_menu_manager

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""" The 'View' menu """


import logging


from pyface.action.api import Group, MenuManager
from traits.api import Any, Bool, Instance, List, Str
from traits.api import observe


from .perspective_menu_manager import PerspectiveMenuManager
from .show_view_action import ShowViewAction
from .toggle_view_visibility_action import ToggleViewVisibilityAction


# Logging.
logger = logging.getLogger(__name__)


[docs]class ViewMenuManager(MenuManager): """ The 'View' menu. By default, this menu is displayed on the main menu bar. """ # 'ActionManager' interface -------------------------------------------- # All of the groups in the manager. groups = List(Group) # The manager's unique identifier (if it has one). id = Str("View") # 'MenuManager' interface ---------------------------------------------# # The menu manager's name (if the manager is a sub-menu, this is what its # label will be). name = Str("&View") # 'ViewMenuManager' interface -----------------------------------------# # Should the perspective menu be shown? show_perspective_menu = Bool(True) # The workbench window that the menu is part of. window = Instance("pyface.workbench.api.WorkbenchWindow") # 'Private' interface -------------------------------------------------# # The group containing the view hide/show actions. _view_group = Any() # ------------------------------------------------------------------------ # 'ActionManager' interface. # ------------------------------------------------------------------------ def _groups_default(self): """ Trait initializer. """ groups = [] # Add a group containing the perspective menu (if requested). if self.show_perspective_menu and len(self.window.perspectives) > 0: groups.append(Group(PerspectiveMenuManager(window=self.window))) # Add a group containing a 'toggler' for all visible views. self._view_group = self._create_view_group(self.window) groups.append(self._view_group) # Add a group containing an 'Other...' item that will launch a dialog # to allow the user to choose a view to show. groups.append(self._create_other_group(self.window)) return groups # ------------------------------------------------------------------------ # 'ViewMenuManager' interface. # ------------------------------------------------------------------------
[docs] @observe("window.active_perspective,window.active_part,window.views.items") def refresh(self, event): """ Refreshes the checked state of the actions in the menu. """ logger.debug("refreshing view menu") if self._view_group is not None: self._clear_group(self._view_group) self._initialize_view_group(self.window, self._view_group) self.changed = True return
# ------------------------------------------------------------------------ # Private interface. # ------------------------------------------------------------------------ def _clear_group(self, group): """ Remove all items in a group. """ # fixme: Fix this API in Pyface so there is only one call! group.destroy() group.clear() def _create_other_group(self, window): """ Creates a group containing the 'Other...' action. """ group = Group() group.append(ShowViewAction(name="Other...", window=window)) return group def _create_view_group(self, window): """ Creates a group containing the view 'togglers'. """ group = Group() self._initialize_view_group(window, group) return group def _initialize_view_group(self, window, group): """ Initializes a group containing the view 'togglers'. """ views = window.views[:] views.sort(key=lambda view: view.name) for view in views: # fixme: It seems a little smelly to be reaching in to the window # layout here. Should the 'contains_view' method be part of the # window interface? if window.layout.contains_view(view): group.append( ToggleViewVisibilityAction(view=view, window=window) ) return