/*
* 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.example.gwt.client.samples.mapwidget;
import org.geomajas.example.gwt.client.samples.base.SamplePanel;
import org.geomajas.example.gwt.client.samples.base.SamplePanelFactory;
import org.geomajas.example.gwt.client.samples.i18n.I18nProvider;
import org.geomajas.gwt.client.controller.PanController;
import org.geomajas.gwt.client.map.MapView.ZoomOption;
import org.geomajas.gwt.client.spatial.Bbox;
import org.geomajas.gwt.client.widget.MapWidget;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.VLayout;
/**
* <p>
* Sample that shows how to enable/disable maxBounds.
* </p>
*
* @author Frank Wynants
*/
public class MaxBoundsToggleSample extends SamplePanel {
private boolean isBelgiumBoundsEnabled;
private Bbox maxBounds;
public static final String TITLE = "MaxBoundsToggle";
public static final SamplePanelFactory FACTORY = new SamplePanelFactory() {
public SamplePanel createPanel() {
return new MaxBoundsToggleSample();
}
};
public Canvas getViewPanel() {
final Bbox belgiumBounds = new Bbox(135977.5229612165, 6242678.930647222, 679887.6148060877, 625824.2623034349);
VLayout layout = new VLayout();
layout.setWidth100();
layout.setHeight100();
layout.setMembersMargin(10);
HLayout mapLayout = new HLayout();
mapLayout.setShowEdges(true);
mapLayout.setHeight("60%");
// Map with ID mapOsm is defined in the XML configuration. (mapOsm.xml)
final MapWidget map = new MapWidget("mapOsm", "gwt-samples");
map.setController(new PanController(map));
mapLayout.addMember(map);
HLayout buttonLayout = new HLayout();
buttonLayout.setMembersMargin(10);
// Create a button to toggle bounds between the whole world an Belgium
final IButton butToggleMaxBounds = new IButton(I18nProvider.getSampleMessages().toggleMaxBoundsBelgium());
butToggleMaxBounds.setWidth100();
buttonLayout.addMember(butToggleMaxBounds);
butToggleMaxBounds.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
if (isBelgiumBoundsEnabled) { // switch to whole world bounds
isBelgiumBoundsEnabled = false;
map.getMapModel().getMapView().setMaxBounds(maxBounds);
butToggleMaxBounds.setTitle(I18nProvider.getSampleMessages().toggleMaxBoundsBelgium());
} else { // switch to Belgium bounds
if (maxBounds == null) {
// First we save the World bounds:
maxBounds = map.getMapModel().getMapView().getMaxBounds();
}
map.getMapModel().getMapView().setMaxBounds(belgiumBounds);
// force a new scale level so we go inside the bounding box of Belgium
map.getMapModel().getMapView().applyBounds(belgiumBounds, ZoomOption.LEVEL_FIT);
isBelgiumBoundsEnabled = true;
butToggleMaxBounds.setTitle(I18nProvider.getSampleMessages().toggleMaxBoundsWorld());
}
}
});
layout.addMember(mapLayout);
layout.addMember(buttonLayout);
return layout;
}
public String getDescription() {
return I18nProvider.getSampleMessages().maxBoundsToggleDescription();
}
public String getSourceFileName() {
return "classpath:org/geomajas/example/gwt/client/samples/mapwidget/MaxBoundsToggleSample.txt";
}
public String[] getConfigurationFiles() {
return new String[] { "WEB-INF/layerOsm.xml",
"WEB-INF/mapOsm.xml" };
}
public String ensureUserLoggedIn() {
return "luc";
}
}