/*******************************************************************************
 * This file is part of logisim-evolution.
 *
 *   logisim-evolution is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   logisim-evolution is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with logisim-evolution.  If not, see <http://www.gnu.org/licenses/>.
 *
 *   Original code by Carl Burch (http://www.cburch.com), 2011.
 *   Subsequent modifications by :
 *     + Haute École Spécialisée Bernoise
 *       http://www.bfh.ch
 *     + Haute École du paysage, d'ingénierie et d'architecture de Genève
 *       http://hepia.hesge.ch/
 *     + Haute École d'Ingénierie et de Gestion du Canton de Vaud
 *       http://www.heig-vd.ch/
 *   The project is currently maintained by :
 *     + REDS Institute - HEIG-VD
 *       Yverdon-les-Bains, Switzerland
 *       http://reds.heig-vd.ch
 *******************************************************************************/

package com.cburch.logisim.gui.menu;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JCheckBoxMenuItem;

class MenuItemCheckImpl extends JCheckBoxMenuItem implements MenuItem {

	private static final long serialVersionUID = 1L;
	private MenuItemHelper helper;

	public MenuItemCheckImpl(Menu menu, LogisimMenuItem menuItem) {
		helper = new MenuItemHelper(this, menu, menuItem);
		super.addActionListener(helper);
		setEnabled(true);
	}

	public void actionPerformed(ActionEvent event) {
		helper.actionPerformed(event);
	}

	@Override
	public void addActionListener(ActionListener l) {
		helper.addActionListener(l);
	}

	public boolean hasListeners() {
		return helper.hasListeners();
	}

	@Override
	public void removeActionListener(ActionListener l) {
		helper.removeActionListener(l);
	}

	@Override
	public void setEnabled(boolean value) {
		helper.setEnabled(value);
		super.setEnabled(value && helper.hasListeners());
	}
}