/* ZIndexEvent.java

	Purpose:
		
	Description:
		
	History:
		Sat Dec 24 23:04:41     2005, Created by tomyeh

Copyright (C) 2004 Potix Corporation. All Rights Reserved.

{{IS_RIGHT
	This program is distributed under LGPL Version 2.1 in the hope that
	it will be useful, but WITHOUT ANY WARRANTY.
}}IS_RIGHT
*/
package org.zkoss.zk.ui.event;

import org.zkoss.zk.au.AuRequest;
import org.zkoss.zk.au.AuRequests;
import org.zkoss.zk.ui.Component;

/**
 * Represents an event caused by a component whose z-index is modified
 * by the client.
 *
 * @author tomyeh
 */
public class ZIndexEvent extends Event {
	private final int _zIndex;

	/** Converts an AU request to a z-index event.
	 * @since 5.0.0
	 */
	public static final ZIndexEvent getZIndexEvent(AuRequest request) {
		final java.util.Map<String, Object> data = request.getData();
		return new ZIndexEvent(request.getCommand(), request.getComponent(), AuRequests.getInt(data, "", -1));
	}

	/** Constructs a mouse relevant event.
	 */
	public ZIndexEvent(String name, Component target, int zIndex) {
		super(name, target);
		_zIndex = zIndex;
	}

	/** Returns the z-index of the component after moved.
	 */
	public final int getZIndex() {
		return _zIndex;
	}
}