public BuildingBlockSimulateAction(Automaton automaton,
			Environment environment) {
		super(automaton, environment);
		putValue(NAME, "Step by BuildingBlock");
		putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_B,
				MAIN_MENU_MASK));
		this.automaton = automaton;
		this.environment = environment;
	}