001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/portal/context/LayerGroup.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.context;
037
038 import java.util.ArrayList;
039 import java.util.Collections;
040 import java.util.List;
041
042 /**
043 * TODO add class documentation here
044 *
045 * @author <a href="mailto:name@deegree.org">Andreas Poth</a>
046 * @author last edited by: $Author: apoth $
047 *
048 * @version $Revision: 20973 $, $Date: 2009-11-23 16:54:36 +0100 (Mo, 23 Nov 2009) $
049 */
050 public class LayerGroup extends MapModelEntry {
051
052 private boolean expanded;
053
054 private List<MMLayer> layers;
055
056 private List<LayerGroup> layerGroups;
057
058 private List<MapModelEntry> entries;
059
060 /**
061 *
062 * @param identifier
063 * @param title
064 * @param hidden
065 * @param expanded
066 * @param parent
067 * @param owner
068 */
069 public LayerGroup( String identifier, String title, boolean hidden, boolean expanded, LayerGroup parent,
070 MapModel owner ) {
071 super( identifier, title, hidden, parent, owner );
072 layers = new ArrayList<MMLayer>();
073 layerGroups = new ArrayList<LayerGroup>();
074 entries = new ArrayList<MapModelEntry>();
075 this.expanded = expanded;
076 }
077
078 /**
079 *
080 * @param layer
081 * @param antecessor
082 * @param first
083 */
084 public void insert( MMLayer layer, MapModelEntry antecessor, boolean first ) {
085 if ( layer.getParent() == null || !layer.getParent().equals( parent ) ) {
086 layers.remove( layer );
087 layers.add( layer );
088 layer.setParent( this );
089 int i = 0;
090 while ( i < entries.size() && !entries.get( i ).equals( antecessor ) ) {
091 i++;
092 }
093 if ( i >= entries.size() - 1 ) {
094 if ( first && antecessor == null ) {
095 entries.add( 0, layer );
096 } else {
097 entries.add( layer );
098 }
099 } else {
100 if ( first && antecessor == null ) {
101 entries.add( 0, layer );
102 } else {
103 entries.add( i + 1, layer );
104 }
105 }
106 }
107 }
108
109 /**
110 *
111 * @param layerGroup
112 * @param antecessor
113 * @param first
114 */
115 public void insert( LayerGroup layerGroup, MapModelEntry antecessor, boolean first ) {
116 if ( layerGroup.getParent() == null || !layerGroup.getParent().equals( parent ) ) {
117 // register as child
118 layerGroups.add( layerGroup );
119 // that this a parent
120 layerGroup.setParent( this );
121
122 int i = 0;
123 if ( entries.size() > 0 ) {
124 while ( i < entries.size() && !entries.get( i ).equals( antecessor ) ) {
125 i++;
126 }
127 }
128 if ( i >= entries.size() - 1 ) {
129 if ( first && antecessor == null ) {
130 entries.add( 0, layerGroup );
131 } else {
132 entries.add( layerGroup );
133 }
134 } else {
135 if ( first && antecessor == null ) {
136 entries.add( 0, layerGroup );
137 } else {
138 entries.add( i + 1, layerGroup );
139 }
140 }
141 }
142 }
143
144 /**
145 *
146 * @param layer
147 */
148 public void addLayer( MMLayer layer ) {
149 if ( !layers.contains( layer ) ) {
150 layers.add( layer );
151 entries.add( layer );
152 }
153 }
154
155 /**
156 *
157 * @param layerGroup
158 */
159 public void addLayerGroup( LayerGroup layerGroup ) {
160 layerGroups.add( layerGroup );
161 entries.add( layerGroup );
162 }
163
164 /**
165 * @return the layerGroups
166 */
167 public List<LayerGroup> getLayerGroups() {
168 return Collections.unmodifiableList( layerGroups );
169 }
170
171 /**
172 * @return the layers
173 */
174 public List<MMLayer> getLayers() {
175 return Collections.unmodifiableList( layers );
176 }
177
178 /**
179 * @return the entries
180 */
181 public List<MapModelEntry> getMapModelEntries() {
182 return Collections.unmodifiableList( entries );
183 }
184
185 /**
186 * @return the expanded
187 */
188 public boolean isExpanded() {
189 return expanded;
190 }
191
192 /**
193 * @param expanded
194 * the expanded to set
195 */
196 public void setExpanded( boolean expanded ) {
197 this.expanded = expanded;
198 }
199
200 /**
201 *
202 * @param layer
203 */
204 public void removeLayer( MMLayer layer ) {
205 layers.remove( layer );
206 entries.remove( layer );
207 layer.setParent( null );
208 }
209
210 /**
211 *
212 * @param layerGroup
213 */
214 public void removeLayerGroup( LayerGroup layerGroup ) {
215 layerGroups.remove( layerGroup );
216 entries.remove( layerGroup );
217 layerGroup.setParent( null );
218 }
219
220 }