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/*
 * Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012 David Berkman
 * 
 * This file is part of the SmallMind Code Project.
 * 
 * The SmallMind Code Project is free software, you can redistribute
 * it and/or modify it under the terms of GNU Affero General Public
 * License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 * 
 * The SmallMind Code Project 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 the GNU Affero General Public
 * License, along with The SmallMind Code Project. If not, see
 * .
 * 
 * Additional permission under the GNU Affero GPL version 3 section 7
 * ------------------------------------------------------------------
 * If you modify this Program, or any covered work, by linking or
 * combining it with other code, such other code is not for that reason
 * alone subject to any of the requirements of the GNU Affero GPL
 * version 3.
 */
package org.smallmind.swing.button;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.AbstractButton;
import javax.swing.ButtonGroup;
import org.smallmind.nutsnbolts.util.WeakEventListenerList;

public class EventCoalescingButtonGroup extends ButtonGroup implements ActionListener {

  private WeakEventListenerList listenerList = new WeakEventListenerList();

  @Override
  public void add (AbstractButton button) {

    button.addActionListener(this);
    super.add(button);
  }

  @Override
  public void remove (AbstractButton button) {

    button.removeActionListener(this);
    super.remove(button);
  }

  @Override
  public void actionPerformed (ActionEvent actionEvent) {

    GroupedActionEvent groupedActionEvent = new GroupedActionEvent(this, actionEvent);

    for (ActionListener actionListener : listenerList) {
      actionListener.actionPerformed(groupedActionEvent);
    }
  }

  public void addActionListener (ActionListener actionListener) {

    listenerList.addListener(actionListener);
  }

  public void removeActionListener (ActionListener actionListener) {

    listenerList.removeListener(actionListener);
  }
}