/* * This is part of Geomajas, a GIS framework, http://www.geomajas.org/. * * Copyright 2008-2015 Geosparc nv, http://www.geosparc.com/, Belgium. * * The program is available in open source according to the GNU Affero * General Public License. All contributions in this program are covered * by the Geomajas Contributors License Agreement. For full licensing * details, see LICENSE.txt in the project root. */ package org.geomajas.gwt.client.controller; import org.geomajas.gwt.client.spatial.Bbox; import org.geomajas.gwt.client.widget.MapWidget; import com.google.gwt.event.dom.client.MouseDownEvent; import com.google.gwt.event.dom.client.MouseUpEvent; /** * Controller that activates the ZoomToRectangleController to be used once. * * @author Pieter De Graef */ public class ZoomToRectangleOnceController extends AbstractGraphicsController { public ZoomToRectangleOnceController(MapWidget mapWidget) { super(mapWidget); } public void onMouseUp(MouseUpEvent event) { mapWidget.setController(new ActualZoomToRectangleController(mapWidget)); event.stopPropagation(); } public void onMouseDown(MouseDownEvent event) { // Don't propagate to the active controller on the map: event.stopPropagation(); } /** * Controller the zooms to a rectangle drawn by the user, and then deactivates itself again. * * @author Pieter De Graef */ private class ActualZoomToRectangleController extends org.geomajas.gwt.client.controller.ZoomToRectangleController { private GraphicsController keepController; public ActualZoomToRectangleController(MapWidget mapWidget) { super(mapWidget); keepController = mapWidget.getController(); } protected void selectRectangle(Bbox worldBounds) { super.selectRectangle(worldBounds); mapWidget.setController(keepController); } } }