private void doUndoable(Memento memento) {
// TODO: Undo should be managed externally or we should be given
// an Undo manager to use (the project's) rather than using a global one
// if (DiagramUndoManager.getInstance().isGenerateMementos()) {
// DiagramUndoManager.getInstance().addMemento(memento);
// }
memento.redo();
// TODO: Mark diagram/project as dirty?
}
@Override
public Object execute() {
memento.redo();
return null;
}