/*****************************************************/
/*          This java file is a part of the          */
/*                                                   */
/*           -  Plouf's Java IRC Client  -           */
/*                                                   */
/*   Copyright (C)  2002 - 2005 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.common;

import java.awt.Component;
import java.awt.GridLayout;
import java.awt.Panel;
import java.lang.reflect.Method;

/**
 * Wrapper for MouseWheelPanel.
 */
public class MouseWheelPanelWrapper extends Panel {
	private Object _panel;
	private Method _add;
	private Method _remove;

	/**
	 * Create a new MouseWheelPanelWrapper with the specified component inside.
	 * 
	 * @param c
	 *          wrapper component.
	 */
	public MouseWheelPanelWrapper(Component c) {
		setLayout(new GridLayout(1, 1));
		try {
			Class cl = Class.forName("irc.gui.prv.MouseWheelPanel");
			_panel = cl.newInstance();
			Class[] types = { MouseWheelPanelListener.class };
			_add = cl.getMethod("addMouseWheelPanelListener", types);
			_remove = cl.getMethod("removeMouseWheelPanelListener", types);
			add((Component) _panel);
			types[0] = Component.class;
			Method m = cl.getMethod("add", types);
			Object[] p = { c };
			m.invoke(_panel, p);
		} catch (Throwable ex) {
			add(c);
		}
	}

	/**
	 * Add a listener.
	 * 
	 * @param lis
	 *          listener to add.
	 */
	public void addMouseWheelPanelListener(MouseWheelPanelListener lis) {
		try {
			Object[] p = { lis };
			_add.invoke(_panel, p);
		} catch (Throwable ex) {
			// ignore...
		}
	}

	/**
	 * Remove a listener.
	 * 
	 * @param lis
	 *          listener to remove.
	 */
	public void removeMouseWheelPanelListener(MouseWheelPanelListener lis) {
		try {
			Object[] p = { lis };
			_remove.invoke(_panel, p);
		} catch (Throwable ex) {
			// ignore...
		}
	}
}