Java tutorial
package com.google.gwt.maps.client.overlays.overlayhandlers; /* * #%L * GWT Maps API V3 - Core API * %% * Copyright (C) 2011 - 2012 GWT Maps API V3 * %% * 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. * #L% */ import com.google.gwt.core.client.JavaScriptObject; import com.google.gwt.maps.client.MapImpl; import com.google.gwt.maps.client.MapWidget; import com.google.gwt.maps.client.overlays.MapCanvasProjection; import com.google.gwt.maps.client.overlays.MapPanes; public class OverlayViewMethods extends JavaScriptObject { protected OverlayViewMethods() { } /** * Returns the MapCanvasProjection object associated with this OverlayView. Only available after draw has been called. * * Note: Not available for onRemove(). */ public final native MapCanvasProjection getProjection() /*-{ return this.getProjection(); }-*/; public final native JavaScriptObject getJso() /*-{ return this; }-*/; public final MapWidget getMap() { MapImpl val = getMapImpl(); return val == null ? null : MapWidget.newInstance(val); } private final native MapImpl getMapImpl() /*-{ return this.getMap(); }-*/; /** * Returns the panes in which this OverlayView can be rendered. Only available after draw has been called. */ public final native MapPanes getPanes() /*-{ return this.getPanes(); }-*/; }