/*
* 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.action.toolbar;
import java.util.ArrayList;
import java.util.List;
import org.geomajas.gwt.client.action.ToolbarAction;
import org.geomajas.gwt.client.i18n.I18nProvider;
import org.geomajas.gwt.client.map.feature.Feature;
import org.geomajas.gwt.client.map.layer.VectorLayer;
import org.geomajas.gwt.client.util.WidgetLayout;
import org.geomajas.gwt.client.widget.MapWidget;
import com.smartgwt.client.widgets.events.ClickEvent;
/**
* Pan so that the selected items are in the center of the screen.
*
* @author Frank Wynants
*/
public class PanToSelectionAction extends ToolbarAction {
private MapWidget mapWidget;
public PanToSelectionAction(MapWidget mapWidget) {
super(WidgetLayout.iconPanToSelection, I18nProvider.getToolbar().panToSelectionTitle(),
I18nProvider.getToolbar().panToSelectionTooltip());
this.mapWidget = mapWidget;
}
/**
* Pan to the selected features.
*/
public void onClick(ClickEvent clickEvent) {
List<Feature> features = new ArrayList<Feature>();
for (VectorLayer layer : mapWidget.getMapModel().getVectorLayers()) {
features.addAll(layer.getSelectedFeatureValues());
}
// only zoom when there where really some items selected
if (features.size() > 0) {
mapWidget.getMapModel().panToFeatures(features);
}
}
}