/*
*
* ==============================================================================
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package org.wicketstuff.openlayers;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.wicketstuff.openlayers.api.Control;
import org.wicketstuff.openlayers.api.control.WMSGetFeatureInfo;
import org.wicketstuff.openlayers.api.layer.Layer;
import org.wicketstuff.openlayers.api.layer.WMS;
import org.wicketstuff.openlayers.js.JSUtils;
import org.wicketstuff.openlayers.proxy.WFSProxyBehavior;
/**
* @author mocleiri
*
* To showcase the WMSGetFeatureInfo Control
*
* The javascript was copied from the openlayers.org examples and encoded using the Wicket
* Controls.
*
* See this example: http://openlayers.org/dev/examples/getfeatureinfo-popup.html
*
*/
public class MapWithWMSGetFeatureInfoPage extends WebPage
{
private static final long serialVersionUID = 1L;
/**
*
*/
public MapWithWMSGetFeatureInfoPage()
{
List<Layer> layerList = new LinkedList<Layer>();
HashMap<String, String> politicalOptions = new LinkedHashMap<String, String>();
politicalOptions.put(JSUtils.getQuotedString("layers"),
JSUtils.getQuotedString("topp:tasmania_state_boundaries"));
politicalOptions.put("transparent", "true");
politicalOptions.put("format", JSUtils.getQuotedString("image/png8"));
HashMap<String, String> extraOptions = new LinkedHashMap<String, String>();
extraOptions.put("isBaseLayer", "true");
WMS political = new WMS("State Boundaries", "http://demo.opengeo.org/geoserver/wms",
politicalOptions, extraOptions);
layerList.add(political);
HashMap<String, String> roadOptions = new LinkedHashMap<String, String>();
roadOptions.put(JSUtils.getQuotedString("layers"),
JSUtils.getQuotedString("topp:tasmania_roads"));
roadOptions.put("transparent", "true");
roadOptions.put("format", JSUtils.getQuotedString("image/png8"));
HashMap<String, String> roadExtraOptions = new LinkedHashMap<String, String>();
roadExtraOptions.put("isBaseLayer", "false");
WMS roads = new WMS("Roads", "http://demo.opengeo.org/geoserver/wms", roadOptions,
roadExtraOptions);
layerList.add(roads);
HashMap<String, String> mapOptions = new LinkedHashMap<String, String>();
mapOptions.put("maxExtent", "new OpenLayers.Bounds(143.834,-43.648,148.479,-39.573)");
final WFSProxyBehavior proxyBehaviour = new WFSProxyBehavior();
OpenLayersMap map = new OpenLayersMap("map", true, layerList, mapOptions)
{
private static final long serialVersionUID = 1L;
/*
* (non-Javadoc)
*
* @see org.wicketstuff.openlayers.OpenLayersMap#getJSinit()
*/
@Override
protected String getJSinit()
{
return "OpenLayers.ProxyHost='" + proxyBehaviour.getProxyUrl() + "';\n" +
super.getJSinit();
}
};
HashMap<String, String> parameterMap = new LinkedHashMap<String, String>();
parameterMap.put("url", JSUtils.getQuotedString("http://demo.opengeo.org/geoserver/wms"));
parameterMap.put("title", JSUtils.getQuotedString("Test"));
parameterMap.put("layers", "[wms" + roads.getId() + "]");
parameterMap.put("infoFormat", JSUtils.getQuotedString("text/html"));
WMSGetFeatureInfo getFeatureInfo = new WMSGetFeatureInfo(parameterMap,
new AbstractReadOnlyModel<String>()
{
private static final long serialVersionUID = -1330688574990681527L;
/*
* (non-Javadoc)
*
* @see org.apache.wicket.model.AbstractReadOnlyModel#getObject()
*/
@Override
public String getObject()
{
return "alert('event = ' + event.text);";
}
});
map.addControl(getFeatureInfo);
map.addControl(Control.PanZoomBar);
map.add(proxyBehaviour);
add(map);
}
}