/*****************************************************/
/*          This java file is a part of the          */
/*                                                   */
/*           -  Plouf's Java IRC Client  -           */
/*                                                   */
/*   Copyright (C)  2002 - 2004 Philippe Detournay   */
/*                                                   */
/*         All contacts : theplouf@yahoo.com         */
/*                                                   */
/*  PJIRC 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; version 2 or later of  */
/*  the License.                                     */
/*                                                   */
/*  PJIRC 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 PJIRC; if      */
/*  not, write to the Free Software Foundation,      */
/*  Inc., 59 Temple Place, Suite 330, Boston,        */
/*  MA  02111-1307  USA                              */
/*                                                   */
/*****************************************************/

package irc.gui.prv;

import irc.ListenerGroup;
import irc.gui.common.MouseWheelPanelListener;

import java.awt.GridLayout;
import java.awt.Panel;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;

/**
 * MouseWheelPanel. Should be compiled using java jdk1.4.
 */
public class MouseWheelPanel extends Panel implements MouseWheelListener {
	private ListenerGroup _listeners;

	/**
	 * Create a new MouseWheelPanel.
	 */
	public MouseWheelPanel() {
		super();
		_listeners = new ListenerGroup();
		addMouseWheelListener(this);
		setLayout(new GridLayout(1, 1));
	}

	/**
	 * Add a listener.
	 * 
	 * @param lis
	 *          listener to add.
	 */
	public void addMouseWheelPanelListener(MouseWheelPanelListener lis) {
		_listeners.addListener(lis);
	}

	/**
	 * Remove a listener.
	 * 
	 * @param lis
	 *          listener to remove.
	 */
	public void removeMouseWheelPanelListener(MouseWheelPanelListener lis) {
		_listeners.removeListener(lis);
	}

	@Override
	public void mouseWheelMoved(MouseWheelEvent e) {
		_listeners.sendEventAsync("mouseWheelMoved", new Integer(e.getWheelRotation()));
	}
}