Source code for pyface.tasks.action.dock_pane_toggle_group

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""" A Group for toggling the visibility of a task's dock panes. """

from pyface.action.api import Action, ActionItem, Group
from traits.api import (

from pyface.tasks.i_dock_pane import IDockPane

[docs]class DockPaneToggleAction(Action): """ An Action for toggling the visibility of a dock pane. """ # 'DockPaneToggleAction' interface ------------------------------------- dock_pane = Instance(IDockPane) # 'Action' interface --------------------------------------------------- name = Property(Str, observe="") style = "toggle" tooltip = Property(Str, observe="name") # ------------------------------------------------------------------------ # 'Action' interface. # ------------------------------------------------------------------------
[docs] def destroy(self): super().destroy() # Make sure that we are not listening to changes to the pane anymore. # In traits style, we will set the basic object to None and have the # listener check that if it is still there. self.dock_pane = None
[docs] def perform(self, event=None): if self.dock_pane: self.dock_pane.visible = not self.dock_pane.visible
# ------------------------------------------------------------------------ # Protected interface. # ------------------------------------------------------------------------ def _get_name(self): if self.dock_pane is None: return "UNDEFINED" return def _get_tooltip(self): return "Toggles the visibility of the %s pane." % @observe("dock_pane.visible") def _update_checked(self, event): if self.dock_pane: self.checked = self.dock_pane.visible @observe("dock_pane.closable") def _update_visible(self, event): if self.dock_pane: self.visible = self.dock_pane.closable
[docs]class DockPaneToggleGroup(Group): """ A Group for toggling the visibility of a task's dock panes. """ # 'Group' interface ---------------------------------------------------- id = "DockPaneToggleGroup" items = List() # 'DockPaneToggleGroup' interface -------------------------------------# task = Property(observe="parent.controller") @cached_property def _get_task(self): manager = self.get_manager() if manager is None or manager.controller is None: return None return manager.controller.task dock_panes = Property(observe="task.window._states.items.dock_panes") @cached_property def _get_dock_panes(self): if self.task is None or self.task.window is None: return [] task_state = self.task.window._get_state(self.task) return task_state.dock_panes
[docs] def get_manager(self): # FIXME: Is there no better way to get a reference to the menu manager? manager = self while isinstance(manager, Group): manager = manager.parent return manager
# Private interface ---------------------------------------------------- @observe("dock_panes.items") def _dock_panes_updated(self, event): """Recreate the group items when dock panes have been added/removed. """ # Remove the previous group items. self.destroy() items = [] for dock_pane in self.dock_panes: action = DockPaneToggleAction(dock_pane=dock_pane) items.append(ActionItem(action=action)) items.sort(key=lambda item: self.items = items # Inform the parent menu manager. manager = self.get_manager() manager.changed = True