def enable(self):
if self._enabled is True:
return
self.editor = scripts.editor.getEditor()
self.engine = self.editor.getEngine()
self._show_action = Action(u"History manager", checkable=True)
self._undo_action = Action(u"Undo", "gui/icons/undo.png")
self._redo_action = Action(u"Redo", "gui/icons/redo.png")
self._next_action = Action(u"Next branch", "gui/icons/next_branch.png")
self._prev_action = Action(u"Previous branch",
"gui/icons/previous_branch.png")
self._show_action.helptext = u"Toggle HistoryManager"
self._undo_action.helptext = u"Undo action (CTRL+Z)"
self._redo_action.helptext = u"Redo action (CTRL+SHIFT+Z)"
self._next_action.helptext = u"Next branch (CTRL+ALT+Z"
self._prev_action.helptext = u"Previous branch (CTRL+ALT+SHIFT+Z)"
scripts.gui.action.activated.connect(self.toggle,
sender=self._show_action)
scripts.gui.action.activated.connect(self._undo,
sender=self._undo_action)
scripts.gui.action.activated.connect(self._redo,
sender=self._redo_action)
scripts.gui.action.activated.connect(self._next,
sender=self._next_action)
scripts.gui.action.activated.connect(self._prev,
sender=self._prev_action)
self._undo_group = ActionGroup(name=u"UndoGroup")
self._undo_group.addAction(self._undo_action)
self._undo_group.addAction(self._redo_action)
self._undo_group.addAction(self._next_action)
self._undo_group.addAction(self._prev_action)
self.editor._tools_menu.addAction(self._show_action)
self.editor._edit_menu.insertAction(self._undo_group, 0)
self.editor._edit_menu.insertSeparator(position=1)
events.postMapShown.connect(self.update)
undomanager.changed.connect(self.update)
self.buildGui()
