Java tutorial
package com.google.gwt.maps.client.drawinglib; /* * #%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.event.shared.HandlerRegistration; import com.google.gwt.maps.client.MapImpl; import com.google.gwt.maps.client.MapWidget; import com.google.gwt.maps.client.events.MapEventType; import com.google.gwt.maps.client.events.MapHandlerRegistration; import com.google.gwt.maps.client.events.overlaycomplete.OverlayCompleteEventFormatter; import com.google.gwt.maps.client.events.overlaycomplete.OverlayCompleteMapHandler; import com.google.gwt.maps.client.events.overlaycomplete.circle.CircleCompleteEventFormatter; import com.google.gwt.maps.client.events.overlaycomplete.circle.CircleCompleteMapHandler; import com.google.gwt.maps.client.events.overlaycomplete.marker.MarkerCompleteEventFormatter; import com.google.gwt.maps.client.events.overlaycomplete.marker.MarkerCompleteMapHandler; import com.google.gwt.maps.client.events.overlaycomplete.polygon.PolygonCompleteEventFormatter; import com.google.gwt.maps.client.events.overlaycomplete.polygon.PolygonCompleteMapHandler; import com.google.gwt.maps.client.events.overlaycomplete.polyline.PolylineCompleteEventFormatter; import com.google.gwt.maps.client.events.overlaycomplete.polyline.PolylineCompleteMapHandler; import com.google.gwt.maps.client.events.overlaycomplete.rectangle.RectangleCompleteEventFormatter; import com.google.gwt.maps.client.events.overlaycomplete.rectangle.RectangleCompleteMapHandler; import com.google.gwt.maps.client.mvc.MVCObject; /** * Allows users to draw markers, polygons, polylines, rectangles, and circles on the map. The DrawingManager's drawing * mode defines the type of overlay that will be created by the user. Adds a control to the map, allowing the user to * switch drawing mode. This class extends MVCObject. <br> * <br> * See <a href= "https://developers.google.com/maps/documentation/javascript/reference#DrawingManager" >DrawingManager * API Doc</a> */ public class DrawingManager extends MVCObject<DrawingManager> { /** * use newInstance(); */ protected DrawingManager() { } /** * Creates a DrawingManager that allows users to draw overlays on the map, and switch between the type of overlay to * be drawn with a drawing control. * * @param options */ public static final DrawingManager newInstance(DrawingManagerOptions options) { return createJso(options).cast(); } private static native JavaScriptObject createJso(DrawingManagerOptions options) /*-{ return new $wnd.google.maps.drawing.DrawingManager(options); }-*/; /** * Returns the DrawingManager's drawing mode. */ public final OverlayType getDrawingMode() { String type = getDrawingModeImpl(); if (type == null) { return null; } else { return OverlayType.fromValue(type); } } private final native String getDrawingModeImpl() /*-{ return this.getDrawingMode(); }-*/; /** * Changes the DrawingManager's drawing mode, which defines the type of overlay to be added on the map. Accepted * values are MARKER, POLYGON, POLYLINE, RECTANGLE, CIRCLE, or null. A drawing mode of null means that the user can * interact with the map as normal, and clicks do not draw anything. * * @param drawingMode */ public final void setDrawingMode(OverlayType drawingMode) { String value = (drawingMode != null) ? drawingMode.value() : null; setDrawingModeImpl(value); } private final native void setDrawingModeImpl(String drawingMode) /*-{ this.setDrawingMode(drawingMode); }-*/; /** * Attaches the DrawingManager object to the specified Map. * * @param mapWidget */ public final void setMap(MapWidget mapWidget) { MapImpl value = (mapWidget != null) ? mapWidget.getJso() : null; setMapImpl(value); } private final native void setMapImpl(MapImpl map) /*-{ this.setMap(map); }-*/; /** * Returns the Map to which the DrawingManager is attached, which is the Map on which the overlays created will be * placed. */ public final MapWidget getMap() { return MapWidget.newInstance(getMapImpl()); } private final native MapImpl getMapImpl() /*-{ return this.getMap(); }-*/; /** * This event is fired when the user has finished drawing a circle. * * @param handler */ public final HandlerRegistration addCircleCompleteHandler(CircleCompleteMapHandler handler) { return MapHandlerRegistration.addHandlerDrawing(this, MapEventType.CIRCLECOMPLETE, handler, new CircleCompleteEventFormatter()); } /** * This event is fired when the user has finished drawing a marker. * * @param handler */ public final HandlerRegistration addMarkerCompleteHandler(MarkerCompleteMapHandler handler) { return MapHandlerRegistration.addHandlerDrawing(this, MapEventType.MARKERCOMPLETE, handler, new MarkerCompleteEventFormatter()); } /** * This event is fired when the user has finished drawing an overlay of any type. * * @param handler */ public final HandlerRegistration addOverlayCompleteHandler(OverlayCompleteMapHandler handler) { return MapHandlerRegistration.addHandler(this, MapEventType.OVERLAYCOMPLETE, handler, new OverlayCompleteEventFormatter()); } /** * This event is fired when the user has finished drawing a polygon. * * @param handler */ public final HandlerRegistration addPolygonCompleteHandler(PolygonCompleteMapHandler handler) { return MapHandlerRegistration.addHandlerDrawing(this, MapEventType.POLYGONCOMPLETE, handler, new PolygonCompleteEventFormatter()); } /** * This event is fired when the user has finished drawing a polyline. * * @param handler */ public final HandlerRegistration addPolylineCompleteHandler(PolylineCompleteMapHandler handler) { return MapHandlerRegistration.addHandlerDrawing(this, MapEventType.POLYLINECOMPLETE, handler, new PolylineCompleteEventFormatter()); } /** * This event is fired when the user has finished drawing a rectangle. * * @param handler */ public final HandlerRegistration addRectangleCompleteHandler(RectangleCompleteMapHandler handler) { return MapHandlerRegistration.addHandlerDrawing(this, MapEventType.RECTANGLECOMPLETE, handler, new RectangleCompleteEventFormatter()); } }