001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/portal/standard/wms/control/layertree/MoveTreeNodeListener.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.util.ArrayList; 040 import java.util.List; 041 import java.util.Map; 042 043 import org.deegree.enterprise.control.ajax.AbstractListener; 044 import org.deegree.enterprise.control.ajax.ResponseHandler; 045 import org.deegree.enterprise.control.ajax.WebEvent; 046 import org.deegree.framework.log.ILogger; 047 import org.deegree.framework.log.LoggerFactory; 048 import org.deegree.portal.Constants; 049 import org.deegree.portal.context.Layer; 050 import org.deegree.portal.context.LayerGroup; 051 import org.deegree.portal.context.LayerList; 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.MapModelVisitor; 056 import org.deegree.portal.context.ViewContext; 057 058 /** 059 * TODO add class documentation here 060 * 061 * @author <a href="mailto:name@deegree.org">Andreas Poth</a> 062 * @author last edited by: $Author: apoth $ 063 * 064 * @version $Revision: 28716 $, $Date: 2010-12-10 15:09:13 +0100 (Fr, 10 Dez 2010) $ 065 */ 066 public class MoveTreeNodeListener extends AbstractListener { 067 068 private static final ILogger LOG = LoggerFactory.getLogger( MoveTreeNodeListener.class ); 069 070 /* 071 * (non-Javadoc) 072 * 073 * @see 074 * org.deegree.enterprise.control.ajax.AbstractListener#actionPerformed(org.deegree.enterprise.control.ajax.WebEvent 075 * , org.deegree.enterprise.control.ajax.ResponseHandler) 076 */ 077 @SuppressWarnings("unchecked") 078 public void actionPerformed( WebEvent event, ResponseHandler responseHandler ) 079 throws IOException { 080 081 Map<Object, Object> parameter = event.getParameter(); 082 String node = (String) parameter.get( "node" ); 083 String parentNode = (String) parameter.get( "parentNode" ); 084 String beforeNode = (String) parameter.get( "beforeNode" ); 085 ViewContext vc = (ViewContext) event.getSession().getAttribute( Constants.CURRENTMAPCONTEXT ); 086 MapModel mapModel = vc.getGeneral().getExtension().getMapModel(); 087 MapModelEntry mme = mapModel.getMapModelEntryByIdentifier( node ); 088 LayerGroup parent = (LayerGroup) mapModel.getMapModelEntryByIdentifier( parentNode ); 089 090 if ( mme != null ) { 091 // update tree/map model 092 MapModelEntry antecessor = null; 093 if ( beforeNode != null && beforeNode.length() > 0) { 094 antecessor = mapModel.getMapModelEntryByIdentifier( beforeNode ); 095 List<MapModelEntry> list = parent.getMapModelEntries(); 096 097 for ( int i = 0; i < list.size(); i++ ) { 098 if ( list.get( i ).equals( antecessor ) ) { 099 if ( i > 0 ) { 100 antecessor = list.get( i - 1 ); 101 } else { 102 antecessor = null; 103 } 104 break; 105 } 106 } 107 } 108 mapModel.move( mme, parent, antecessor, (beforeNode != null && beforeNode.length() > 0) ); 109 110 // update WMC layer list 111 LayerList layerList = vc.getLayerList(); 112 final List<Layer> layers = new ArrayList<Layer>( layerList.getLayers().length ); 113 try { 114 mapModel.walkLayerTree( new MapModelVisitor() { 115 116 public void visit( LayerGroup layerGroup ) 117 throws Exception { 118 // ignore 119 } 120 121 public void visit( MMLayer layer ) 122 throws Exception { 123 layers.add( layer.getLayer() ); 124 } 125 } ); 126 layerList.setLayers( layers.toArray( new Layer[layers.size()] ) ); 127 LayerBean[] beans = new LayerBean[layers.size()]; 128 for ( int i = 0; i < beans.length; i++ ) { 129 beans[i] = new LayerBean( layers.get( i ).getServer().getTitle(), layers.get( i ).getName(), 130 layers.get( i ).getServer().getService() + " " 131 + layers.get( i ).getServer().getVersion(), 132 layers.get( i ).getServer().getOnlineResource().toURI().toASCIIString(), 133 layers.get( i ).getFormatList().getCurrentFormat().getName() ); 134 } 135 responseHandler.writeAndClose( false, beans ); 136 } catch ( Exception e ) { 137 LOG.logError( e ); 138 responseHandler.writeAndClose( "ERROR: " + e.getMessage() ); 139 return; 140 } 141 142 } 143 144 } 145 146 }