001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/portal/standard/wms/control/layertree/RemoveTreeNodeListener.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 by:
005 - Department of Geography, University of Bonn -
006 and
007 - lat/lon GmbH -
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036 package org.deegree.portal.standard.wms.control.layertree;
037
038 import java.io.IOException;
039 import java.net.URISyntaxException;
040 import java.util.ArrayList;
041 import java.util.List;
042 import java.util.Map;
043
044 import org.deegree.enterprise.control.ajax.AbstractListener;
045 import org.deegree.enterprise.control.ajax.ResponseHandler;
046 import org.deegree.enterprise.control.ajax.WebEvent;
047 import org.deegree.framework.log.ILogger;
048 import org.deegree.framework.log.LoggerFactory;
049 import org.deegree.portal.Constants;
050 import org.deegree.portal.context.Layer;
051 import org.deegree.portal.context.LayerGroup;
052 import org.deegree.portal.context.MMLayer;
053 import org.deegree.portal.context.MapModel;
054 import org.deegree.portal.context.MapModelEntry;
055 import org.deegree.portal.context.ViewContext;
056
057 /**
058 * TODO add class documentation here
059 *
060 * @author <a href="mailto:name@deegree.org">Andreas Poth</a>
061 * @author last edited by: $Author: apoth $
062 *
063 * @version $Revision: 21677 $, $Date: 2009-12-29 13:44:30 +0100 (Di, 29. Dez 2009) $
064 */
065 public class RemoveTreeNodeListener extends AbstractListener {
066
067 private static final ILogger LOG = LoggerFactory.getLogger( RemoveTreeNodeListener.class );
068
069 /*
070 * (non-Javadoc)
071 *
072 * @see
073 * org.deegree.enterprise.control.ajax.AbstractListener#actionPerformed(org.deegree.enterprise.control.ajax.WebEvent
074 * , org.deegree.enterprise.control.ajax.ResponseHandler)
075 */
076 @SuppressWarnings("unchecked")
077 public void actionPerformed( WebEvent event, ResponseHandler responseHandler )
078 throws IOException {
079 Map<Object, Object> parameter = event.getParameter();
080 String node = (String) parameter.get( "node" );
081 ViewContext vc = (ViewContext) event.getSession().getAttribute( Constants.CURRENTMAPCONTEXT );
082 MapModel mapModel = vc.getGeneral().getExtension().getMapModel();
083 MapModelEntry mme = mapModel.getMapModelEntryByIdentifier( node );
084 mapModel.remove( mme );
085 try {
086 if ( mme instanceof MMLayer ) {
087 Layer layer = ( (MMLayer) mme ).getLayer();
088
089 vc.getLayerList().removeLayer( layer.getName(),
090 layer.getServer().getOnlineResource().toURI().toASCIIString() );
091
092
093 responseHandler.writeAndClose( false, new String[] {( (MMLayer) mme ).getLayer().getName()} );
094 } else {
095 LayerGroup layerGroup = (LayerGroup) mme;
096 List<Layer> layers = new ArrayList<Layer>();
097 collectLayers( layers, layerGroup );
098 String[] s = new String[layers.size()];
099 int i = 0;
100 for ( Layer layer : layers ) {
101 s[i++] = layer.getName();
102 vc.getLayerList().removeLayer( layer.getName(),
103 layer.getServer().getOnlineResource().toURI().toASCIIString() );
104 }
105
106 responseHandler.writeAndClose( false, s );
107 }
108 } catch ( URISyntaxException e ) {
109 LOG.logError( e );
110 responseHandler.writeAndClose( "ERROR: " + e.getMessage() );
111 }
112
113 }
114
115 private void collectLayers( List<Layer> layers, LayerGroup layerGroup ) {
116 List<MMLayer> list;
117 list = layerGroup.getLayers();
118 for ( MMLayer mmLayer : list ) {
119 layers.add( mmLayer.getLayer() );
120 }
121 List<LayerGroup> lgList = layerGroup.getLayerGroups();
122 for ( LayerGroup lg : lgList ) {
123 collectLayers( layers, lg );
124 }
125 }
126
127 }