/**
*
* geo-platform
* Rich webgis framework
* http://geo-platform.org
* ====================================================================
*
* Copyright (C) 2008-2017 geoSDI Group (CNR IMAA - Potenza - ITALY).
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version. This program is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License
* for more details. You should have received a copy of the GNU General
* Public License along with this program. If not, see http://www.gnu.org/licenses/
*
* ====================================================================
*
* Linking this library statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole combination.
*
* As a special exception, the copyright holders of this library give you permission
* to link this library with independent modules to produce an executable, regardless
* of the license terms of these independent modules, and to copy and distribute
* the resulting executable under terms of your choice, provided that you also meet,
* for each linked independent module, the terms and conditions of the license of
* that module. An independent module is a module which is not derived from or
* based on this library. If you modify this library, you may extend this exception
* to your version of the library, but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version.
*/
package org.geosdi.geoplatform.gui.client.widget;
import org.geosdi.geoplatform.gui.client.widget.form.GPMapPreviewWidget;
import org.geosdi.geoplatform.gui.configuration.map.client.GPCoordinateReferenceSystem;
import org.gwtopenmaps.openlayers.client.Bounds;
import org.gwtopenmaps.openlayers.client.MapOptions;
import org.gwtopenmaps.openlayers.client.MapUnits;
import org.gwtopenmaps.openlayers.client.Projection;
import org.gwtopenmaps.openlayers.client.layer.OSM;
/**
* @author Nazzareno Sileno - CNR IMAA geoSDI Group
* @email nazzareno.sileno@geosdi.org
*/
public class PreviewWidget extends GPMapPreviewWidget {
@Override
public MapOptions createMapPreviewOption() {
MapOptions defaultMapOptions = new MapOptions();
defaultMapOptions.setNumZoomLevels(18);
defaultMapOptions.setProjection(GPCoordinateReferenceSystem.GOOGLE_MERCATOR.getCode());
defaultMapOptions.setDisplayProjection(new Projection(GPCoordinateReferenceSystem.WGS_84.getCode()));
defaultMapOptions.setUnits(MapUnits.METERS);
defaultMapOptions.setMaxExtent(new Bounds(-20037508, -20037508,
20037508, 20037508.34));
defaultMapOptions.setMaxResolution(new Double(156543.0339).floatValue());
return defaultMapOptions;
}
@Override
public void createBaseLayer() {
super.baseLayer = OSM.Mapnik("OpenStreetMap Preview");
super.mapWidget.getMap().addLayer(baseLayer);
}
}