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package org.gwtopenmaps.openlayers.client.control;

import org.gwtopenmaps.openlayers.client.event.BeforeGetFeatureInfoListener;
import org.gwtopenmaps.openlayers.client.event.BeforeGetFeatureInfoListener.BeforeGetFeatureInfoEvent;
import org.gwtopenmaps.openlayers.client.event.EventHandler;
import org.gwtopenmaps.openlayers.client.event.EventObject;
import org.gwtopenmaps.openlayers.client.event.EventType;
import org.gwtopenmaps.openlayers.client.event.GetFeatureInfoListener;
import org.gwtopenmaps.openlayers.client.event.GetFeatureInfoListener.GetFeatureInfoEvent;
import org.gwtopenmaps.openlayers.client.event.NoGetFeatureInfoListener;
import org.gwtopenmaps.openlayers.client.event.NoGetFeatureInfoListener.NoGetFeatureInfoEvent;
import org.gwtopenmaps.openlayers.client.util.JSObject;

/**
 * @author Dave Potts
 * @author Edwin Commandeur
 *
 * requires OpenLayers 2.7 or higher
 */
public class WMSGetFeatureInfo extends Control{

	protected WMSGetFeatureInfo(JSObject wMSGetFeatureInfo){
		super(wMSGetFeatureInfo);
	}

	public WMSGetFeatureInfo(){
		this(WMSGetFeatureInfoImpl.create());
	}

	public WMSGetFeatureInfo(WMSGetFeatureInfoOptions o){
		this(WMSGetFeatureInfoImpl.create(o.getJSObject()));
	}
	public static WMSGetFeatureInfo narrowToWMSGetFeatureInfo(JSObject object)	{
		return (object == null)? null: new WMSGetFeatureInfo(object);
	}

	public void addBeforeGetFeatureListener(final BeforeGetFeatureInfoListener listener){
		eventListeners.addListener(this, listener, EventType.CONTROL_GET_FEATURE_INFO_BEFORE, new EventHandler(){
			@Override
			public void onHandle(EventObject eventObject){
				BeforeGetFeatureInfoEvent e = new BeforeGetFeatureInfoEvent(eventObject);
				listener.onBeforeGetFeatureInfo(e);
			}
		});
	}

	public void addGetFeatureListener(final GetFeatureInfoListener listener){
		eventListeners.addListener(this, listener, EventType.CONTROL_GET_FEATURE_INFO, new EventHandler(){
			@Override
			public void onHandle(EventObject eventObject){
				GetFeatureInfoEvent e = new GetFeatureInfoEvent(eventObject);
				listener.onGetFeatureInfo(e);
			}
		});
	}
    
	public void addNoGetFeatureListener(final NoGetFeatureInfoListener listener) {
        eventListeners.addListener(this, listener, EventType.CONTROL_NO_GET_FEATURE_INFO, new EventHandler() {

            @Override
            public void onHandle(EventObject eventObject) {
                NoGetFeatureInfoEvent e = new NoGetFeatureInfoEvent(eventObject);
                listener.onNoGetFeatureInfo(e);
            }
        });
    }
}