/* * 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.widget.searchandfilter.client.widget.geometricsearch; import org.geomajas.gwt.client.controller.editing.EditController.EditMode; import org.geomajas.gwt.client.widget.MapWidget; import com.google.gwt.event.dom.client.DoubleClickEvent; import com.google.gwt.event.dom.client.MouseDownEvent; import com.google.gwt.event.dom.client.MouseMoveEvent; import com.google.gwt.event.dom.client.MouseOutEvent; import com.google.gwt.event.dom.client.MouseOverEvent; import com.google.gwt.event.dom.client.MouseUpEvent; import com.google.gwt.event.dom.client.MouseWheelEvent; /** * The parent drawing controller. It delegates to the correct child drawing controller if there is one. Each type of * geometry (line, polygon, point, ...) has a specific child editing controller. * * @author Bruce Palmkoeck */ public class ParentDrawController extends AbstractFreeDrawingController { /** The real controller responsible for drawing. */ private AbstractFreeDrawingController controller; protected ParentDrawController(MapWidget mapWidget, GeometryDrawHandler handler) { super(mapWidget, null, handler); } @Override public void cleanup() { if (controller != null) { controller.cleanup(); setController(null); } } @Override public boolean isBusy() { return false; } // ------------------------------------------------------------------------- // Event handler functions delegating to child controller: // ------------------------------------------------------------------------- public void onMouseDown(MouseDownEvent event) { if (controller != null) { controller.onMouseDown(event); } } public void onMouseUp(MouseUpEvent event) { if (controller != null) { controller.onMouseUp(event); } } public void onMouseMove(MouseMoveEvent event) { if (controller != null) { controller.onMouseMove(event); } } public void onMouseOut(MouseOutEvent event) { if (controller != null) { controller.onMouseOut(event); } } public void onMouseOver(MouseOverEvent event) { if (controller != null) { controller.onMouseOver(event); } } public void onMouseWheel(MouseWheelEvent event) { if (controller != null) { controller.onMouseWheel(event); } } public void onDoubleClick(DoubleClickEvent event) { if (controller != null) { controller.onDoubleClick(event); } } // ------------------------------------------------------------------------- // Getters and setters: // ------------------------------------------------------------------------- public void setEditMode(EditMode currentMode) { super.setEditMode(currentMode); if (controller != null) { controller.setEditMode(currentMode); } } public AbstractFreeDrawingController getController() { return controller; } /** * Set a new child draw controller. If there was a previous child controller, then it's <code>onDeactivate</code> * method will be called first. Likewise on the new controller, the <code>onActivate</code> will be called. * * @param controller * The new child draw controller. A controller usually masters drawing for one type of geometry. This * parameter can also be <code>null</code>, when no child draw controller is required anymore. If this * parameter is <code>null</code>, then this controller <code>onActivate</code> method is called. */ public void setController(AbstractFreeDrawingController controller) { if (this.controller != null) { this.controller.onDeactivate(); } this.controller = controller; if (controller != null) { controller.setMaxBoundsDisplayed(isMaxBoundsDisplayed()); controller.onActivate(); } else { onActivate(); } } }