/*
* 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.gwt.client.action.toolbar;
import org.geomajas.gwt.client.action.ConfigurableAction;
import org.geomajas.gwt.client.action.ToolbarModalAction;
import org.geomajas.gwt.client.controller.ZoomOnClickController;
import org.geomajas.gwt.client.i18n.I18nProvider;
import org.geomajas.gwt.client.widget.MapWidget;
import com.smartgwt.client.widgets.events.ClickEvent;
/**
* Tool which allows zooming out at a position on the map by clicking it.
*
* @author Joachim Van der Auwera
*/
public class ZoomOutModalAction extends ToolbarModalAction implements ConfigurableAction {
private MapWidget mapWidget;
private ZoomOnClickController controller;
public ZoomOutModalAction(MapWidget mapWidget) {
super("[ISOMORPHIC]/geomajas/osgeo/zoom-out.png", I18nProvider.getToolbar().zoomOut());
this.mapWidget = mapWidget;
controller = new ZoomOnClickController(mapWidget, .5);
}
@Override
public void onSelect(ClickEvent event) {
mapWidget.setController(controller);
}
@Override
public void onDeselect(ClickEvent event) {
mapWidget.setController(null);
}
public void configure(String key, String value) {
if ("delta".equals(key)) {
double zoomFactor = Double.parseDouble(value);
controller.setZoomFactor(zoomFactor);
}
}
}