/**
*
* 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.action.menu.legend;
import com.extjs.gxt.ui.client.event.MenuEvent;
import com.extjs.gxt.ui.client.widget.treepanel.TreePanel;
import com.google.gwt.user.client.ui.AbstractImagePrototype;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.Image;
import org.geosdi.geoplatform.gui.action.menu.MenuBaseAction;
import org.geosdi.geoplatform.gui.client.LayerResources;
import org.geosdi.geoplatform.gui.client.model.RasterTreeNode;
import org.geosdi.geoplatform.gui.model.tree.GPBeanTreeModel;
import org.geosdi.geoplatform.gui.utility.GSAuthKeyManager;
/**
*
* @author Francesco Izzi - CNR IMAA geoSDI Group
* @mail francesco.izzi@geosdi.org
*/
public class GetLegendGraphicsBox extends MenuBaseAction {
private TreePanel treePanel;
protected static final String GET_LEGEND_REQUEST = "?REQUEST=GetLegendGraphic"
+ "&VERSION=1.0.0&FORMAT=image/png&LAYER=";
public GetLegendGraphicsBox(TreePanel treePanel) {
super("GetLegend", AbstractImagePrototype.create(
LayerResources.ICONS.exportToTIFF()));
this.treePanel = treePanel;
}
@Override
public void componentSelected(MenuEvent ce) {
GPBeanTreeModel item = (GPBeanTreeModel) this.treePanel.getSelectionModel().getSelectedItem();
DialogBox legendDialog = new DialogBox();
legendDialog.setModal(false);
if (item instanceof RasterTreeNode) {
String dataSource = ((RasterTreeNode) item).getDataSource();
legendDialog.setText(((RasterTreeNode) item).getName());
legendDialog.setAnimationEnabled(true);
legendDialog.setAutoHideEnabled(true);
Image image;
if (dataSource.contains("gwc/service/wms")) {
dataSource = dataSource.replaceAll("gwc/service/wms", "wms");
} else if (!(dataSource.startsWith("http://ows"))
&& (dataSource.contains("/ows"))) {
dataSource = dataSource.replaceAll("/ows", "/wms");
} else {
dataSource = dataSource.replaceAll("/wfs", "/wms");
}
StringBuilder imageURL = new StringBuilder();
imageURL.append(dataSource).append(GET_LEGEND_REQUEST).append(((RasterTreeNode) item).getName())
.append("&scale=5000&service=WMS");
if (((RasterTreeNode) item).getStyles() != null && ((RasterTreeNode) item).getStyles().size() > 0) {
imageURL.append("&STYLE=").append(((RasterTreeNode) item).getStyles().get(0).getStyleString());
}
String authkeyTuple = GSAuthKeyManager.getAuthKeyTuple();
if (!authkeyTuple.equals("")) {
imageURL.append('&').append(authkeyTuple);
}
image = new Image(imageURL.toString());
legendDialog.add(image);
legendDialog.show();
legendDialog.setPopupPosition(ce.getMenu().getPosition(true).x, ce.getMenu().getPosition(true).y);
}
}
}