/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 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.puregwt.client.feature;
import org.geomajas.puregwt.client.ContentPanel;
import org.geomajas.puregwt.client.map.MapPresenter;
import org.geomajas.puregwt.client.map.controller.FeatureSelectionController;
import org.geomajas.puregwt.client.map.event.MapInitializationEvent;
import org.geomajas.puregwt.client.map.event.MapInitializationHandler;
import com.google.gwt.user.client.ui.DecoratorPanel;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Widget;
/**
* ContentPanel that demonstrates a feature selection controller.
*
* @author Pieter De Graef
*/
public class FeatureSelectionPanel extends ContentPanel {
private MapPresenter mapPresenter;
public String getTitle() {
return "Feature Selection";
}
public String getDescription() {
return "This example demonstrates the use of the FeatureSelectionController. This controller allows the user "
+ "to select features on the map.";
}
public Widget getContentWidget() {
// Create the MapPresenter and add an InitializationHandler:
mapPresenter = getInjector().getMapPresenter();
mapPresenter.setSize(480, 480);
mapPresenter.getEventBus().addHandler(MapInitializationEvent.TYPE, new MyMapInitializationHandler());
// Define the whole layout:
HorizontalPanel layout = new HorizontalPanel();
DecoratorPanel mapDecorator = new DecoratorPanel();
mapDecorator.add(mapPresenter.asWidget());
layout.add(mapDecorator);
// Initialize the map, and return the layout:
mapPresenter.initialize("pure-gwt-app", "mapLayerVisibility");
return layout;
}
/**
* Map initialization handler that zooms in.
*
* @author Pieter De Graef
*/
private class MyMapInitializationHandler implements MapInitializationHandler {
public void onMapInitialized(MapInitializationEvent event) {
double scale = mapPresenter.getViewPort().getScale() * 4;
mapPresenter.getViewPort().applyScale(scale);
mapPresenter.getLayersModel().getLayer(1).setMarkedAsVisible(true);
mapPresenter.setMapController(new FeatureSelectionController());
}
}
}