org.zkoss.gmaps.event.InfoChangeEvent Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of gmapsz Show documentation

The Google Maps Components for ZK 2.1.3

The newest version!

/* InfoChangeEvent.java

{{IS_NOTE
	Purpose:
		
	Description:
		
	History:
		Fri Oct 13 14:51:13     2006, Created by henrichen
}}IS_NOTE

Copyright (C) 2006 Potix Corporation. All Rights Reserved.

{{IS_RIGHT
	This program is distributed under GPL Version 2.0 in the hope that
	it will be useful, but WITHOUT ANY WARRANTY.
}}IS_RIGHT
*/
package org.zkoss.gmaps.event;

import java.util.Map;

import org.zkoss.gmaps.Ginfo;
import org.zkoss.zk.au.AuRequest;
import org.zkoss.zk.mesg.MZk;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.UiException;
import org.zkoss.zk.ui.event.Event;

/**
 * Represents a Google Maps {@link org.zkoss.gmaps.Gmaps} related event which is
 * triggered whenever the currently opened {@link org.zkoss.gmaps.Ginfo} or 
 * {@link org.zkoss.gmaps.Gmarker} is changed.
 * 
 * @author henrichen
 */
public class InfoChangeEvent extends Event {
	private final Ginfo _info;

	/** Converts an AU request to a event.
	 * @since 5.0.0
	 */
	public static final InfoChangeEvent getInfoChangeEvent(AuRequest request) {
		final Component comp = request.getComponent();
		if (comp == null)
			throw new UiException(MZk.ILLEGAL_REQUEST_COMPONENT_REQUIRED, request);
		final Map data = request.getData();
		if (data == null)
			throw new UiException(MZk.ILLEGAL_REQUEST_WRONG_DATA,
					new Object[] {data, request});

        Ginfo info = (Ginfo) request.getDesktop().getComponentByUuidIfAny((String)data.get("info"));
        if (info != null && info.getParent() != comp) {
            info = null;
        }
		return new InfoChangeEvent(request.getCommand(), comp, info);
	}
	
	/** Constructs a Google Maps info window change relevant event.
	 */
	public InfoChangeEvent(String name, Component target, Ginfo info) {
		super(name, target);
		_info = info;
	}
	/** Returns the new opened info window of the Google Map (null means none is opened).
	 */
	public final Ginfo getInfo() {
		return _info;
	}
}