com.google.gwt.maps.client.event.PolygonClickHandler.java Source code

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Here is the source code for com.google.gwt.maps.client.event.PolygonClickHandler.java

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/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.maps.client.event;

import com.google.gwt.maps.client.geom.LatLng;
import com.google.gwt.maps.client.overlay.Polygon;

import java.util.EventObject;

/**
 * Provides an interface to implement in order to receive MapEvent.CLICK events
 * from the {@link Polygon}.
 */
public interface PolygonClickHandler {

    /**
     * Encapsulates the arguments for the MapEvent.CLICK event on a
     * {@link Polygon}.
     */
    @SuppressWarnings("serial")
    class PolygonClickEvent extends EventObject {

        final LatLng latlng;

        public PolygonClickEvent(Polygon source, LatLng latlng) {
            super(source);
            this.latlng = latlng;
        }

        /**
         * Returns the coordinates associated with this event.
         * 
         * @return the coordinates associated with this event.
         */
        public LatLng getLatLng() {
            return latlng;
        }

        /**
         * Returns the instance of the polygon that generated this event.
         * 
         * @return the instance of the polygon that generated this event.
         */
        public Polygon getSender() {
            return (Polygon) getSource();
        }
    }

    /**
     * Method to be invoked when a MapEvent.CLICK event fires on a
     * {@link Polygon}.
     * 
     * @param event contains the properties of the event.
     */
    void onClick(PolygonClickEvent event);
}