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svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.mapcontext / org.gvsig.fmap.mapcontext.api / src / main / java / org / gvsig / fmap / mapcontext / layers / FLayers.java @ 42002

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/**
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 * gvSIG. Desktop Geographic Information System.
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 *
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 * Copyright (C) 2007-2013 gvSIG Association.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 3
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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 * MA  02110-1301, USA.
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 *
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 * For any additional information, do not hesitate to contact us
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 * at info AT gvsig.com, or visit our website www.gvsig.com.
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 */
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package org.gvsig.fmap.mapcontext.layers;
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import java.awt.Graphics2D;
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import java.awt.Point;
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import java.awt.image.BufferedImage;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Set;
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import java.util.TreeSet;
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import org.cresques.cts.ICoordTrans;
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import org.cresques.cts.IProjection;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.gvsig.compat.print.PrintAttributes;
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import org.gvsig.fmap.dal.exception.DataException;
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import org.gvsig.fmap.dal.exception.ReadException;
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import org.gvsig.fmap.geom.primitive.Envelope;
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import org.gvsig.fmap.mapcontext.MapContext;
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import org.gvsig.fmap.mapcontext.MapContextRuntimeException;
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import org.gvsig.fmap.mapcontext.Messages;
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import org.gvsig.fmap.mapcontext.ViewPort;
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import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException;
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import org.gvsig.fmap.mapcontext.layers.operations.ComposedLayer;
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import org.gvsig.fmap.mapcontext.layers.operations.InfoByPoint;
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import org.gvsig.fmap.mapcontext.layers.operations.LayerCollection;
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import org.gvsig.fmap.mapcontext.layers.operations.LayerNotFoundInCollectionException;
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import org.gvsig.fmap.mapcontext.layers.operations.LayersVisitable;
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import org.gvsig.fmap.mapcontext.layers.operations.LayersVisitor;
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import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelable;
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import org.gvsig.metadata.exceptions.MetadataException;
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import org.gvsig.tools.ToolsLocator;
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import org.gvsig.tools.dispose.Disposable;
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import org.gvsig.tools.dynobject.DynObjectSet;
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import org.gvsig.tools.dynobject.DynStruct;
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import org.gvsig.tools.dynobject.impl.MultiDynObjectSet;
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import org.gvsig.tools.exception.BaseException;
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import org.gvsig.tools.persistence.PersistenceManager;
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import org.gvsig.tools.persistence.PersistentState;
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import org.gvsig.tools.persistence.exception.PersistenceException;
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import org.gvsig.tools.task.Cancellable;
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import org.gvsig.tools.util.Callable;
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import org.gvsig.tools.visitor.NotSupportedOperationException;
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import org.gvsig.tools.visitor.VisitCanceledException;
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import org.gvsig.tools.visitor.Visitor;
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73

    
74
/**
75
 * <p>Represents a generic collection of layers, that can be represented as a node in a tree of nodes of layers.</p>
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 *
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 * <p>Adapts the basic functionality implemented for a layer in the abstract class <code>FLyrDefault</code>, to
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 *  a collection of layers, implementing, as well, specific methods for this kind of object, defined in the
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 *  interfaces <code>VectorialData</code>, <code>LayerCollection</code>, and <code>InfoByPoint</code>.</p>
80
 *
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 * @see FLyrDefault
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 */
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public class FLayers extends FLyrDefault implements LayerCollection,
84
InfoByPoint {
85

    
86
        
87
        /**
88
         * List with all listeners registered for this kind of node.
89
         *
90
         * @see #addLayerCollectionListener(LayerCollectionListener)
91
         * @see #removeLayerCollectionListener(LayerCollectionListener)
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         * @see #callLayerAdded(LayerCollectionEvent)
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         * @see #callLayerAdding(LayerCollectionEvent)
94
         * @see #callLayerMoved(LayerPositionEvent)
95
         * @see #callLayerMoving(LayerPositionEvent)
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         * @see #callLayerRemoved(LayerCollectionEvent)
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         * @see #callLayerRemoving(LayerCollectionEvent)
98
         */
99
        protected ArrayList layerCollectionListeners = null;
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101
        /**
102
         * A synchronized list with the layers.
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         *
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         * @see #setAllVisibles(boolean)
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         * @see #addLayer(FLayer)
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         * @see #addLayer(int, FLayer)
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         * @see #moveTo(int, int)
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         * @see #removeLayer(FLayer)
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         * @see #removeLayer(int)
110
         * @see #removeLayer(String)
111
         * @see #replaceLayer(String, FLayer)
112
         * @see #getVisibles()
113
         * @see #getLayer(int)
114
         * @see #getLayer(String)
115
         * @see #getLayersCount()
116
         * @see #getFullEnvelope()
117
         */
118
        protected List layers = null;
119

    
120
        /**
121
         * The model of the layer.
122
         *
123
         * @see #getMapContext()
124
         */
125
        protected MapContext fmap;
126

    
127
        /**
128
         * Useful for debug the problems during the implementation.
129
         */
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        private static Logger logger = LoggerFactory.getLogger(FLayers.class);
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132
        public FLayers() {
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                super();
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                layerCollectionListeners = new ArrayList();
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                layers = Collections.synchronizedList(new ArrayList());
136
                
137
                logger = LoggerFactory.getLogger(FLayers.class);
138
        }
139
        /*
140
         * (non-Javadoc)
141
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#addLayerCollectionListener(com.iver.cit.gvsig.fmap.layers.LayerCollectionListener)
142
         */
143
        public void addLayerCollectionListener(LayerCollectionListener listener) {
144
                if (!layerCollectionListeners.contains(listener)) {
145
                        layerCollectionListeners.add(listener);
146
                }
147
        }
148

    
149
        /*
150
         * (non-Javadoc)
151
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#setAllVisibles(boolean)
152
         */
153
        public void setAllVisibles(boolean visible) {
154
                FLayer lyr;
155

    
156
                for (int i = 0; i < layers.size(); i++) {
157
                        lyr = ((FLayer) layers.get(i));
158
                        lyr.setVisible(visible);
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160
                        if (lyr instanceof LayerCollection) {
161
                                ((LayerCollection) lyr).setAllVisibles(visible);
162
                        }
163
                }
164
        }
165

    
166
        /*
167
         * (non-Javadoc)
168
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#removeLayerCollectionListener(com.iver.cit.gvsig.fmap.layers.LayerCollectionListener)
169
         */
170
        public void removeLayerCollectionListener(LayerCollectionListener listener) {
171
                layerCollectionListeners.remove(listener);
172
        }
173

    
174
        /**
175
         * Adds a layer on an specified position in this node.
176
         *
177
         * @param pos position in the inner list where the layer will be added
178
         * @param layer a layer
179
         */
180
        private void doAddLayer(int pos,FLayer layer) {
181
                layers.add(pos,layer);
182
                ToolsLocator.getDisposableManager().bind(layer);
183
                layer.setParentLayer(this);
184
                IProjection layerProj = layer.getProjection();
185
                if(layerProj != null && fmap != null) {
186
                        IProjection mapContextProj = fmap.getProjection();
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                        // TODO REVISAR ESTO !!!!
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                        // Esta condici?n puede que no fuese exacta para todos los casos
189
                        if (!layerProj.getAbrev().equals(mapContextProj.getAbrev())) {
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                                ICoordTrans ct = layerProj.getCT(mapContextProj);
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                                layer.setCoordTrans(ct);
192
                        } else {
193
                                layer.setCoordTrans(null);
194
                        }
195
                }
196
                this.updateDrawVersion();
197
        }
198

    
199
        /*
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         * (non-Javadoc)
201
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#addLayer(com.iver.cit.gvsig.fmap.layers.FLayer)
202
         */
203
        public void addLayer(FLayer layer) {
204
                
205
                MapContext mco = this.getMapContext();
206
                
207
                if (mco != null) {
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                        /*
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                         * Get order manager from map context
210
                         */
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                        int position = mco.getOrderManager().getPosition(this, layer);
212
                        addLayer(position, layer);
213
                } else {
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                        /*
215
                         * This happens when FLayers object is not in a
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                         * map context, so no order manager is available.
217
                         */
218
                        addLayer(layers.size(),layer);
219
                }
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        }
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        /**
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         * Adds a layer in an specified position in this node.
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         *
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         * @param layer a layer
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         */
227
        public void addLayer(int pos,FLayer layer) {
228
                try {
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                        //Notificamos a la capa que va a ser a?adida
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                        if (layer instanceof FLyrDefault) {
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                                ((FLyrDefault)layer).wakeUp();
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                        }
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234
                        if (layer instanceof FLayers){
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                                FLayers layers=(FLayers)layer;
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                                fmap.addAsCollectionListener(layers);
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                        }
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                        callLayerAdding(LayerCollectionEvent.createLayerAddingEvent(layer));
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240
                        doAddLayer(pos,layer);
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                        callLayerAdded(LayerCollectionEvent.createLayerAddedEvent(layer));
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                } catch (CancelationException e) {
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                        logger.warn(e.getMessage());
245
                } catch (LoadLayerException e) {
246
                        layer.setAvailable(false);
247
                        layer.addError(e);
248
                }
249
        }
250

    
251
        /*
252
         * (non-Javadoc)
253
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#moveTo(int, int)
254
         */
255
        public void moveTo(int from, int to) throws CancelationException {
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                int newfrom=layers.size()-from-1;
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                int newto=layers.size()-to-1;
258
                if ( newfrom < 0 || newfrom >=layers.size() || newto < 0 || newto >= layers.size()) {
259
                        return;
260
                }
261
                FLayer aux = (FLayer) layers.get(newfrom);
262
                callLayerMoving(LayerPositionEvent.createLayerMovingEvent(aux, newfrom, newto));
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                layers.remove(newfrom);
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                layers.add(newto, aux);
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                this.updateDrawVersion();
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                callLayerMoved(LayerPositionEvent.createLayerMovedEvent(aux, newfrom, newto));
267
        }
268

    
269
        /**
270
         * Removes an inner layer.
271
         *
272
         * @param lyr a layer
273
         */
274
        private void doRemoveLayer(FLayer lyr) {
275
                layers.remove(lyr);
276
                lyr.dispose();
277
                this.updateDrawVersion();
278
        }
279

    
280
        /*
281
         * (non-Javadoc)
282
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#removeLayer(com.iver.cit.gvsig.fmap.layers.FLayer)
283
         */
284
        public void removeLayer(FLayer lyr) throws CancelationException {
285
                callLayerRemoving(LayerCollectionEvent.createLayerRemovingEvent(lyr));
286
                doRemoveLayer(lyr);
287
                callLayerRemoved(LayerCollectionEvent.createLayerRemovedEvent(lyr));
288
        }
289

    
290
        /*
291
         * (non-Javadoc)
292
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#removeLayer(int)
293
         */
294
        public void removeLayer(int idLayer) {
295
                FLayer lyr = (FLayer) layers.get(idLayer);
296
                callLayerRemoving(LayerCollectionEvent.createLayerRemovingEvent(lyr));
297
                this.doRemoveLayer(lyr);
298
//                layers.remove(idLayer);
299
//                this.updateDrawVersion();
300
                callLayerRemoved(LayerCollectionEvent.createLayerRemovedEvent(lyr));
301
        }
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303
        /*
304
         * (non-Javadoc)
305
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#removeLayer(java.lang.String)
306
         */
307
        public void removeLayer(String layerName) {
308
                FLayer lyr;
309

    
310
                for (int i = 0; i < layers.size(); i++) {
311
                        lyr = ((FLayer) layers.get(i));
312

    
313
                        if (lyr.getName().compareToIgnoreCase(layerName) == 0) {
314
                                removeLayer(i);
315

    
316
                                break;
317
                        }
318
                }
319
        }
320

    
321
        /**
322
         * Replace a layer identified by its name, by another.
323
         *
324
         * @param layerName the name of the layer to be replaced
325
         * @param layer the new layer
326
         * @deprecated use {@link FLayers#replaceLayer(FLayer, FLayer)}
327
         */
328
        public void replaceLayer(String layerName, FLayer layer) throws LoadLayerException
329
        {
330
                replaceLayer(getLayer(layerName), layer);
331
        }
332
        
333
        /**
334
     * Replace a layer by another layer.  It search recursively by all the 
335
     * ILayerCollection nodes
336
     *
337
     * @param layer
338
     *          the layer to be replaced
339
     * @param newLayer
340
     *          the new layer
341
     */
342
    public void replaceLayer(FLayer layer, FLayer newLayer) throws LoadLayerException
343
    {        
344
        replaceLayer(this, layer, newLayer);
345
    }
346
    
347
    /**
348
     * Replace a layer by other layer. It search recursively by all the 
349
     * ILayerCollection nodes
350
     * @param parentLayer
351
     *          the parent layer
352
     * @param layer
353
     *          the layer to be replaced
354
     * @param newLayer
355
     *          the new layer
356
     * @throws LoadLayerException
357
     */
358
    private void replaceLayer(FLayers parentLayer, FLayer layer, FLayer newLayer) throws LoadLayerException
359
    {        
360
        FLayer lyr;       
361
        for (int i = 0; i < parentLayer.getLayersCount(); i++) {
362
            lyr = ((FLayer) parentLayer.getLayer(i));
363
            if (lyr.equals(layer)) {              
364
                parentLayer.removeLayer(i);             
365
                parentLayer.addLayer(i, newLayer);                
366
                break;
367
            }
368
            if (lyr instanceof LayerCollection){
369
                replaceLayer((FLayers)lyr, layer, newLayer);
370
            }
371
        }
372
    }
373

    
374
        /*
375
         * (non-Javadoc)
376
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#getVisibles()
377
         */
378
        public FLayer[] getVisibles() {
379
                ArrayList array = new ArrayList();
380
                LayersIterator iter = new LayersIterator(this) {
381
                        public boolean evaluate(FLayer layer) {
382
                                return layer.isVisible();
383
                        }
384

    
385
                };
386

    
387
                while (iter.hasNext()) {
388
                        array.add(iter.nextLayer());
389
                }
390

    
391
                return (FLayer[]) array.toArray(new FLayer[0]);
392
        }
393

    
394
        /*
395
         * (non-Javadoc)
396
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#getLayer(int)
397
         */
398
        public FLayer getLayer(int index) {
399
                return (FLayer) layers.get(index);
400
        }
401

    
402
        /*
403
         * (non-Javadoc)
404
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#getLayer(java.lang.String)
405
         */
406
        public FLayer getLayer(String layerName) {
407
                FLayer lyr;
408
                FLayer lyr2;
409
                ArrayList layerList;
410

    
411
                for (int i = 0; i < layers.size(); i++) {
412
                        lyr = ((FLayer) layers.get(i));
413

    
414
                        if (lyr.getName().compareToIgnoreCase(layerName) == 0) {
415
                                return lyr;
416
                        }
417

    
418
                        layerList = new ArrayList();
419
                        splitLayerGroup(lyr,layerList);
420
                        for(int j = 0; j<layerList.size(); j++ )
421
                        {
422
                                lyr2 = ((FLayer)layerList.get(j));
423
                                if (lyr2.getName().compareToIgnoreCase(layerName) == 0) {
424
                                        return lyr2;
425
                                }
426
                        }
427
                }
428

    
429
                return null;
430
        }
431

    
432
        /**
433
         * <p> Splits up a layer group in order to get a layer by name when there are layer groups</p>
434
         *
435
         * <p>In <code>result</code> always will be at least one layer.</p>
436
         *
437
         * @param layer the layer we are looking for
438
         * @param result an array list that will have the results of the search
439
         */
440
        private void splitLayerGroup(FLayer layer, ArrayList result)
441
        {
442
                int i;
443
                FLayers layerGroup;
444
                if (layer instanceof FLayers)
445
                {
446
                        layerGroup = (FLayers)layer;
447
                        for (i=0; i < layerGroup.getLayersCount(); i++ )
448
                        {
449
                                splitLayerGroup(layerGroup.getLayer(i),result);
450
                        }
451
                }
452
                else
453
                {
454
                        result.add(layer);
455
                }
456
        }
457

    
458
        /*
459
         * (non-Javadoc)
460
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#getLayersCount()
461
         */
462
        public int getLayersCount() {
463
                return layers.size();
464
        }
465

    
466
        /*
467
         * (non-Javadoc)
468
         * @see com.iver.cit.gvsig.fmap.layers.FLayer#draw(java.awt.image.BufferedImage, java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort, com.iver.utiles.swing.threads.Cancellable, double)
469
         */
470
        public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort,
471
                        Cancellable cancel, double scale) throws ReadException {
472
                // FIXME Arreglar este error
473
                throw new RuntimeException("Esto no deberia de llamarse");
474
        }
475

    
476
        /*
477
         * (non-Javadoc)
478
         *
479
         * @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D,
480
         * com.iver.cit.gvsig.fmap.ViewPort,
481
         * com.iver.utiles.swing.threads.Cancellable, double,
482
         * javax.print.attribute.PrintAttributes)
483
         */
484
        public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel,
485
                        double scale, PrintAttributes properties)
486
        throws ReadException {
487
                throw new RuntimeException("No deberia pasar por aqui");
488
        }
489

    
490
        public void print_old(Graphics2D g, ViewPort viewPort, Cancellable cancel,
491
                        double scale, PrintAttributes properties)
492
        throws ReadException {
493
                this.print_old(g, viewPort, cancel, scale, properties, null);
494
        }
495

    
496
        /**
497
         * <p>Checks all layers (each one as a sub-node of this node <i>collection of layers</i>) of this collection and draws their requested properties. If a node is
498
         *  a group of layers (<code>ComposedLayer</code>), executes it's drawn.</p>
499
         *
500
         * <p>All nodes which could group with the composed layer <code>group</code>, will be drawn together. And once the <code>
501
         * group</code> is drawn, will be set to <code>null</code> if hasn't a parent layer.</p>
502
         *
503
         * <p>The particular implementation depends on the kind of each layer and composed layer. And this process can be cancelled at any
504
         *  time by the shared object <code>cancel</code>.</p>
505
         *
506
         * <p>According the print quality, labels will be printed in different resolution:
507
         *  <ul>
508
         *   <li><b>PrintQuality.DRAFT</b>: 72 dpi (dots per inch).</li>
509
         *   <li><b>PrintQuality.NORMAL</b>: 300 dpi (dots per inch).</li>
510
         *   <li><b>PrintQuality.HIGH</b>: 600 dpi (dots per inch).</li>
511
         *  </ul>
512
         * </p>
513
         *
514
         * @param g for rendering 2-dimensional shapes, text and images on the Java(tm) platform
515
         * @param viewPort the information for drawing the layers
516
         * @param cancel shared object that determines if this layer can continue being drawn
517
         * @param scale the scale of the view. Must be between {@linkplain FLayer#getMinScale()} and {@linkplain FLayer#getMaxScale()}.
518
         * @param properties properties that will be print
519
         * @param group a composed layer pending to paint; if this parameter is <code>null</code>, the composed layer
520
         *
521
         * @return <code>null</code> if the layers in <code>group</code> had been drawn or were <code>null</code>; otherwise, the <code>group</code>
522
         *
523
         * @see FLayer#print(Graphics2D, ViewPort, Cancellable, double, PrintAttributes)
524
         *
525
         * @throws ReadDriverException if fails the driver reading the data.
526
         */
527
        public ComposedLayer print_old(Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, PrintAttributes properties, ComposedLayer group)
528
        throws ReadException {
529
                double dpi = 72;
530

    
531
                int resolution = properties.getPrintQuality();
532
                if (resolution == PrintAttributes.PRINT_QUALITY_NORMAL) {
533
                        dpi = 300;
534
                } else if (resolution == PrintAttributes.PRINT_QUALITY_HIGH){
535
                        dpi = 600;
536
                } else if (resolution == PrintAttributes.PRINT_QUALITY_DRAFT){
537
                        dpi = 72;
538
                }
539

    
540
                // TODO: A la hora de imprimir, isWithinScale falla, porque est?
541
                // calculando la escala en pantalla, no para el layout.
542
                // Revisar esto.
543

    
544
                // TODO: We have to check when we have to call the drawLabels method when exists a ComposedLayer group.
545
                for (int i=0; i < layers.size(); i++) {
546
                        FLayer lyr = (FLayer) layers.get(i);
547
                        if (!lyr.isVisible() || !lyr.isWithinScale(scale)) {
548
                                continue;
549
                        }
550

    
551
                        try{
552

    
553
                                ///// CHEMA ComposedLayer
554
                                // Checks for draw group (ComposedLayer)
555
                                if (group != null) {
556
                                        if (lyr instanceof FLayers){
557
                                                group = ((FLayers)lyr).print_old(g, viewPort, cancel,scale,properties,group);
558
                                        } else {
559
                                                // If layer can be added to the group, does it
560
                                                if (lyr instanceof ILabelable
561
                                                                && ((ILabelable) lyr).isLabeled()
562
                                                                && ((ILabelable) lyr).getLabelingStrategy() != null
563
                                                                && ((ILabelable) lyr).getLabelingStrategy().shouldDrawLabels(scale)) {
564
                                                        group.add(lyr);
565
                                                } else {
566
                                                        // draw the 'pending to draw' layer group
567
                                                        group.print(g,viewPort,cancel,scale,properties);
568

    
569
                                                        // gets a new group instance
570
                                                        if (lyr instanceof ILabelable
571
                                                                        && ((ILabelable) lyr).isLabeled()
572
                                                                        && ((ILabelable) lyr).getLabelingStrategy() != null
573
                                                                        && ((ILabelable) lyr).getLabelingStrategy().shouldDrawLabels(scale)) {
574
                                                                group = lyr.newComposedLayer();
575
                                                        } else {
576
                                                                group = null;
577
                                                        }
578
                                                        // if layer hasn't group, draws it inmediately
579
                                                        if (group == null) {
580
                                                                if (lyr instanceof FLayers){
581
                                                                        group = ((FLayers)lyr).print_old(g, viewPort, cancel,scale,properties,group);
582
                                                                } else {
583
                                                                        lyr.print(g, viewPort, cancel,scale,properties);
584
                                                                        if (lyr instanceof ILabelable
585
                                                                                        && ((ILabelable) lyr).isLabeled()
586
                                                                                        && ((ILabelable) lyr).getLabelingStrategy() != null
587
                                                                                        && ((ILabelable) lyr).getLabelingStrategy().shouldDrawLabels(scale)) {
588
                                                                                ILabelable lLayer = (ILabelable) lyr;
589
                                                                                lLayer.drawLabels(null, g, viewPort, cancel, scale, dpi);
590
                                                                        }
591
                                                                }
592
                                                        } else {
593
                                                                // add the layer to the group
594
                                                                group.setMapContext(fmap);
595
                                                                group.add(lyr);
596

    
597
                                                        }
598

    
599
                                                }
600
                                        }
601
                                } else {
602
                                        // gets a new group instance
603
                                        group = lyr.newComposedLayer();
604
                                        // if layer hasn't group, draws it inmediately
605
                                        if (group == null) {
606
                                                if (lyr instanceof FLayers){
607
                                                        group = ((FLayers)lyr).print_old(g, viewPort, cancel,scale,properties,group);
608
                                                } else {
609
                                                        lyr.print(g, viewPort, cancel,scale,properties);
610
                                                        if (lyr instanceof ILabelable && ((ILabelable) lyr).isLabeled()) {
611
                                                                ILabelable lLayer = (ILabelable) lyr;
612

    
613
                                                                lLayer.drawLabels(null, g, viewPort, cancel, scale, dpi);
614
                                                        }
615
                                                }
616
                                        } else {
617
                                                // add the layer to the group
618
                                                group.setMapContext(fmap);
619
                                                group.add(lyr);
620

    
621
                                        }
622
                                }
623
                                ///// CHEMA ComposedLayer
624

    
625
                        } catch (Exception e){
626
                                String mesg = Messages.getString("error_printing_layer")+" "+ lyr.getName() + ": " + e.getMessage();
627
                                fmap.addLayerError(mesg);
628
                                logger.error(mesg, e);
629
                        }
630

    
631
                }
632

    
633
                ///// CHEMA ComposedLayer
634
                if (group != null && this.getParentLayer() == null) {
635
                        //si tenemos un grupo pendiente de pintar, pintamos
636
                        group.print(g, viewPort, cancel,scale,properties);
637
                        group = null;
638

    
639
                }
640
                ///// CHEMA ComposedLayer
641

    
642
                //                if (getVirtualLayers() != null) {
643
                //                        getVirtualLayers().print( g, viewPort, cancel, scale, properties);
644
                //                }
645

    
646
                ///// CHEMA ComposedLayer
647
                return group;
648
                ///// CHEMA ComposedLayer
649
        }
650

    
651
        /*
652
         * (non-Javadoc)
653
         * @see com.iver.cit.gvsig.fmap.layers.FLayer#getFullExtent()
654
         */
655
        public Envelope getFullEnvelope() {
656
                Envelope rAux = null;
657
                boolean first = true;
658

    
659

    
660
                for (Iterator iter = layers.iterator(); iter.hasNext();) {
661
                        FLayer capa = (FLayer) iter.next();
662
                        try{
663
                                if (first) {
664
                                        rAux = (Envelope)capa.getFullEnvelope().clone();
665
                                        first=false;
666
                                } else {
667
                                        rAux.add(capa.getFullEnvelope());
668
                                }
669
                        }catch (Exception e) {
670
                                e.printStackTrace();//TODO hay que revisar para determinar el comportamiento que espera el usuario.
671
                        }
672
                }
673

    
674
                return rAux;
675
        }
676

    
677
        /**
678
         * Notifies all listeners associated to this collection of layers,
679
         *  that another layer is going to be added or replaced in the internal
680
         *  list of layers.
681
         *
682
         * @param e a layer collection event with the new layer
683
         */
684
        protected void callLayerAdding(LayerCollectionEvent event)
685
        throws CancelationException {
686
                ArrayList aux = (ArrayList) layerCollectionListeners.clone();
687
                for (Iterator iter = aux.iterator(); iter.hasNext();) {
688
                        ((LayerCollectionListener) iter.next()).layerAdding(event);
689
                }
690
        }
691

    
692
        /**
693
         * Notifies all listeners associated to this collection of layers,
694
         *  that a layer is going to be removed from the internal list of layers.
695
         *
696
         * @param event a layer collection event with the layer being removed
697
         *
698
         * @throws CancelationException any exception produced during the cancellation of the driver.
699
         */
700
        protected void callLayerRemoving(LayerCollectionEvent event)
701
        throws CancelationException {
702
                ArrayList aux = (ArrayList) layerCollectionListeners.clone();
703
                for (Iterator iter = aux.iterator(); iter.hasNext();) {
704
                        ((LayerCollectionListener) iter.next()).layerRemoving(event);
705
                }
706
        }
707

    
708
        /**
709
         * Notifies all listeners associated to this collection of layers,
710
         *  that a layer is going to be moved in the internal list of layers.
711
         *
712
         * @param event a layer collection event with the layer being moved, and the initial and final positions
713
         *
714
         * @throws CancelationException any exception produced during the cancellation of the driver.
715
         */
716
        protected void callLayerMoving(LayerPositionEvent event)
717
        throws CancelationException {
718
                ArrayList aux = (ArrayList) layerCollectionListeners.clone();
719
                for (Iterator iter = aux.iterator(); iter.hasNext();) {
720
                        ((LayerCollectionListener) iter.next()).layerMoving(event);
721
                }
722
        }
723

    
724
        /**
725
         * Notifies all listeners associated to this collection of layers,
726
         *  that another layer has been added or replaced in the internal
727
         *  list of layers.
728
         *
729
         * @param e a layer collection event with the new layer
730
         */
731
        protected void callLayerAdded(LayerCollectionEvent event) {
732
                ArrayList aux = (ArrayList) layerCollectionListeners.clone();
733
                for (Iterator iter = aux.iterator(); iter.hasNext();) {
734
                        ((LayerCollectionListener) iter.next()).layerAdded(event);
735
                }
736
        }
737

    
738
        /**
739
         * Notifies all listeners associated to this collection of layers,
740
         *  that another layer has been removed from the internal list of layers.
741
         *
742
         * @param e a layer collection event with the layer removed
743
         */
744
        protected void callLayerRemoved(LayerCollectionEvent event) {
745
                ArrayList aux = (ArrayList) layerCollectionListeners.clone();
746
                for (Iterator iter = aux.iterator(); iter.hasNext();) {
747
                        ((LayerCollectionListener) iter.next()).layerRemoved(event);
748
                }
749
        }
750

    
751
        /**
752
         * Notifies all listeners associated to this collection of layers,
753
         *  that another layer has been moved in the internal list of layers.
754
         *
755
         * @param e a layer collection event with the layer moved, and the initial and final positions
756
         */
757
        protected void callLayerMoved(LayerPositionEvent event) {
758
                ArrayList aux = (ArrayList) layerCollectionListeners.clone();
759
                for (Iterator iter = aux.iterator(); iter.hasNext();) {
760
                        ((LayerCollectionListener) iter.next()).layerMoved(event);
761
                }
762
        }
763

    
764
        public void saveToState(PersistentState state) throws PersistenceException {
765
                
766
                super.saveToState(state);
767
                
768
                state.set("mapContext", fmap);
769
                
770
                List layersToSave = new ArrayList();
771
                Iterator iter = this.layers.iterator();
772
                while (iter.hasNext()) {
773
                        FLayer layer = (FLayer) iter.next();
774
                        if( !layer.isTemporary() ) {
775
                            layersToSave.add(layer); 
776
                        }
777
                }                
778
                state.set("layers", layersToSave);
779
        }
780

    
781
        public void loadFromState(PersistentState state) throws PersistenceException {
782

    
783
                super.loadFromState(state);
784

    
785
                setMapContext((MapContext) state.get("mapContext"));
786
                Iterator iter = state.getIterator("layers");
787
                while (iter.hasNext()) {
788
                        FLayer item = (FLayer) iter.next();
789
                        layers.add(item); 
790
                }
791
        }
792
        
793
        /*
794
         * (non-Javadoc)
795
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#getMapContext()
796
         */
797
        public MapContext getMapContext() {
798
                return fmap;
799
        }
800

    
801
        /*
802
         * I don't think this implementation makes any sense.
803
         * We can group layers with different transformations,
804
         * we cannot set the ICoordTrans for all (?)
805
         * 
806
        public void setCoordTrans(ICoordTrans ct) {
807
                super.setCoordTrans(ct);
808

809
                for (Iterator iter = layers.iterator(); iter.hasNext();) {
810
                        FLayer layer = (FLayer) iter.next();
811
                        layer.setCoordTrans(ct);
812
                }
813
        }
814
        */
815
        
816
        /*
817
         * (non-Javadoc)
818
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#setAllActives(boolean)
819
         */
820
        public void setAllActives(boolean active) {
821
                FLayer lyr;
822

    
823
                for (int i = 0; i < layers.size(); i++) {
824
                        lyr = ((FLayer) layers.get(i));
825
                        lyr.setActive(active);
826

    
827
                        if (lyr instanceof LayerCollection) {
828
                                ((LayerCollection) lyr).setAllActives(active);
829
                        }
830
                }
831
        }
832

    
833
        /*
834
         * (non-Javadoc)
835
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#getActives()
836
         */
837
        public FLayer[] getActives() {
838
                ArrayList ret = new ArrayList();
839
                LayersIterator it = new LayersIterator(this) {
840

    
841
                        public boolean evaluate(FLayer layer) {
842
                                return layer.isActive();
843
                        }
844

    
845
                };
846

    
847
                while (it.hasNext())
848
                {
849
                        ret.add(it.next());
850
                }
851
                return (FLayer[]) ret.toArray(new FLayer[0]);
852
        }
853

    
854
        /*
855
         * (non-Javadoc)
856
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#getMinScale()
857
         */
858
        public double getMinScale() {
859
                return -1; // La visibilidad o no la controla cada capa
860
                // dentro de una colecci?n
861
        }
862
        /*
863
         * (non-Javadoc)
864
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#getMaxScale()
865
         */
866
        public double getMaxScale() {
867
                return -1;
868
        }
869
        /*
870
         * (non-Javadoc)
871
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#setMinScale(double)
872
         */
873
        public void setMinScale(double minScale)
874
        {
875
                for (Iterator iter = layers.iterator(); iter.hasNext();) {
876
                        FLayer lyr = (FLayer) iter.next();
877
                        lyr.setMinScale(minScale);
878
                }
879
        }
880
        /*
881
         * (non-Javadoc)
882
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#setMaxScale(double)
883
         */
884
        public void setMaxScale(double maxScale)
885
        {
886
                for (Iterator iter = layers.iterator(); iter.hasNext();) {
887
                        FLayer lyr = (FLayer) iter.next();
888
                        lyr.setMinScale(maxScale);
889
                }
890
        }
891
        /*
892
         * (non-Javadoc)
893
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#setActive(boolean)
894
         */
895
        public void setActive(boolean b){
896
                super.setActive(b);
897
                for (int i=0;i<layers.size();i++){
898
                        ((FLayer)layers.get(i)).setActive(b);
899
                }
900
        }
901
        /* (non-Javadoc)
902
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#addLayerListener(com.iver.cit.gvsig.fmap.layers.LayerListener)
903
         */
904
        public boolean addLayerListener(LayerListener o) {
905
                for (int i = 0; i < layers.size(); i++) {
906
                        ((FLayer) layers.get(i)).addLayerListener(o);
907
                }
908
                return true;
909
        }
910

    
911
    public DynObjectSet getInfo(Point p, double tolerance,
912
                        Cancellable cancel) throws LoadLayerException, DataException {
913
            return getInfo(this.getMapContext().getViewPort().convertToMapPoint(p), tolerance);
914
    }
915

    
916
    public DynObjectSet getInfo(Point p, double tolerance, Cancellable cancel,
917
        boolean fast) throws LoadLayerException, DataException {
918
            return getInfo(this.getMapContext().getViewPort().convertToMapPoint(p), tolerance);
919
    }
920
    
921
    public DynObjectSet getInfo(org.gvsig.fmap.geom.primitive.Point p,
922
                    double tolerance) throws LoadLayerException, DataException {
923
        int i;
924
        FLayer layer;
925
        List res = new ArrayList();
926
        for (i = 0; i < this.layers.size(); i++) {
927
            layer = (FLayer) layers.get(i);
928
            if (layer instanceof InfoByPoint) {
929
                InfoByPoint queryable_layer = (InfoByPoint) layer;
930
                res.add(queryable_layer.getInfo(p, tolerance));
931
            }
932
        }
933
        DynObjectSet[] innerSets =
934
            (DynObjectSet[]) res.toArray(new DynObjectSet[res.size()]);
935
        return new MultiDynObjectSet(innerSets);
936
    }
937
    
938
        /*
939
         * (non-Javadoc)
940
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#getTocImageIcon()
941
         */
942
        public String getTocImageIcon() {
943
                return "layer-icon-group";
944
        }
945

    
946
        /**
947
         * <p>Adds the layer with the information in an XML entity and the specified name, to this collection of layers. And
948
         *  returns <code>true</code> if there hasn't been errors.</p>
949
         *
950
         * @see CopyOfFLayers#addLayerFromXML(XMLEntity, String)
951
         *
952
         * @param xml tree-node structure with information about layers
953
         * @param name name of the layer to add
954
         * @return <code>true</code> if there were no errors adding the layer, <code>false</code> otherwise
955
         *
956
         * @throws LoadLayerException if fails loading this layer.
957
         */
958
        //        public boolean addLayerFromXMLEntity(XMLEntity xml, String name) throws LoadLayerException {
959
        //                fmap.clearErrors();
960
        //                this.addLayerFromXML(xml,name);
961
        //
962
        //                return (fmap.getLayersError().size() == 0);
963
        //
964
        //        }
965

    
966
//        /**
967
//         * <p>Adds the layer with the information in an XML entity and the specified name, to this collection of layers.</p>
968
//         *
969
//         * <p>This method really executes the addition, considering the kind of layer (<code>FLyrVect</code>,
970
//         *  <code>FLyrAnnotation</code>, <code>FLyrRaster</code>, a collection of layers (<code>FLayers</code>),
971
//         *  or another kind of layer (<code>FLayer</code>)), and the driver in the layer.</p>
972
//         *
973
//         * @param xml tree-node structure with information about layers
974
//         * @param name name of the layer to add
975
//         *
976
//         * @throws LoadLayerException if fails loading this layer.
977
//         */
978
//        private void addLayerFromXML(XMLEntity xml, String name) throws LoadLayerException {
979
//                FLayer layer = null;
980
//
981
//                try {
982
//                        if (name == null) {
983
//                                name = xml.getName();
984
//                        }
985
//
986
//
987
//                        String className = xml.getStringProperty("className");
988
//                        Class clase = Class.forName(className);
989
//                        layer = (FLayer) clase.newInstance();
990
//                        if (FLayers.class.isAssignableFrom(clase)) {
991
//                                ((FLayers)layer).setMapContext(getMapContext());
992
//                                ((FLayers)layer).setParentLayer(this);
993
//                                //                        layer = new FLayers(getMapContext(),this);
994
//                                layer.setXMLEntity(xml);
995
//                        } else {
996
//                                // Capas Nuevas (externas)
997
//                                layer.setName(name);
998
//                                layer.setXMLEntity(xml);
999
//                                layer.load();
1000
//                        }
1001
//
1002
//                        //                //TODO VCN FLyrAnnotation es un parche para no tener que duplicar todo el c?digo de aq? y de los diferentes m?todos de LayerFactory,
1003
//                        //                //ya que los drivers de una FLyrAnnotation no sabemos cual es puede ser cualquier Driver Vectorial.
1004
//                        //                if (className.equals(FLyrVect.class.getName())){// || className.equals(FLyrAnnotation.class.getName())) {
1005
//                        //                        String type = xml.getStringProperty("type");
1006
//                        //                        if ("vectorial".equals(type)){
1007
//                        //                                //String recordsetName = xml.getChild(i).getStringProperty("recordset-name");
1008
//                        //                                IProjection proj = null;
1009
//                        //                                if (xml.contains("proj")) {
1010
//                        //                                        proj = CRSFactory.getCRS(xml.getStringProperty("proj"));
1011
//                        //                                }
1012
//                        //                                else
1013
//                        //                                {
1014
//                        //                                        proj = this.getMapContext().getViewPort().getProjection();
1015
//                        //                                }
1016
//                        //                                if (xml.contains("file")) {
1017
//                        //                                        Driver d;
1018
//                        //                                        try {
1019
//                        //                                                d = LayerFactory.getDM().getDriver(xml.getStringProperty("driverName"));
1020
//                        //                                        } catch (DriverLoadException e1) {
1021
//                        //                                                throw new DriverLayerException(name,e1);
1022
//                        //                                        }
1023
//                        //                                        layer = LayerFactory.createLayer(name, (VectorialFileDriver) d,
1024
//                        //                                                        new File(xml.getStringProperty("file")),
1025
//                        //                                                        proj);
1026
//                        //
1027
//                        //
1028
//                        //                                }
1029
//                        //                                if (xml.contains("db")) {
1030
//                        //
1031
//                        //                                        String driverName = xml.getStringProperty("db");
1032
//                        //                                        IVectorialDatabaseDriver driver;
1033
//                        //                                        try {
1034
//                        //                                                driver = (IVectorialDatabaseDriver) LayerFactory.getDM().getDriver(driverName);
1035
//                        //                                                //Hay que separar la carga de los datos del XMLEntity del load.
1036
//                        //                                                driver.setXMLEntity(xml.getChild(2));
1037
//                        //
1038
//                        //                                                boolean loadOk = false;
1039
//                        //                                                ((DefaultJDBCDriver)driver).load();
1040
//                        //                                                if (((DefaultJDBCDriver)driver).getConnection() != null) {
1041
//                        //                                                        loadOk = true;
1042
//                        //                                                }
1043
//                        //                                                layer = LayerFactory.createDBLayer(driver, name, proj);
1044
//                        //                                                if (!loadOk) {
1045
//                        //                                                        layer.setAvailable(false);
1046
//                        //                                                }
1047
//                        //
1048
//                        //                                        } catch (DriverLoadException e) {
1049
//                        //                                                throw new DriverLayerException(name,e);
1050
//                        //                                        } catch (XMLException e) {
1051
//                        //                                                throw new DriverLayerException(name,e);
1052
//                        //                                        } catch (ReadException e) {
1053
//                        //                                                throw new DriverLayerException(name,e);
1054
//                        //                                        }
1055
//                        //
1056
//                        //                                }
1057
//                        //                                // Clases con algun driver gen?rico creado por otro
1058
//                        //                                // programador
1059
//                        //                                if (xml.contains("other")) {
1060
//                        //
1061
//                        //                                        String driverName = xml.getStringProperty("other");
1062
//                        //                                        VectorialDriver driver = null;
1063
//                        //                                        try {
1064
//                        //                                                driver = (VectorialDriver) LayerFactory.getDM().getDriver(driverName);
1065
//                        //                                        } catch (DriverLoadException e) {
1066
//                        //                                                // Si no existe ese driver, no pasa nada.
1067
//                        //                                                // Puede que el desarrollador no quiera que
1068
//                        //                                                // aparezca en el cuadro de di?logo y ha metido
1069
//                        //                                                // el jar con sus clases en nuestro directorio lib.
1070
//                        //                                                // Intentamos cargar esa clase "a pelo".
1071
//                        //                                                if (xml.getChild(2).contains("className"))
1072
//                        //                                                {
1073
//                        //                                                        String className2 = xml.getChild(2).getStringProperty("className");
1074
//                        //                                                        try {
1075
//                        //                                                                driver = (VectorialDriver) Class.forName(className2).newInstance();
1076
//                        //                                                        } catch (Exception e1) {
1077
//                        //                                                                throw new DriverLayerException(name,e);
1078
//                        //                                                        }
1079
//                        //                                                }
1080
//                        //                                        } catch (NullPointerException npe) {
1081
//                        //                                                // Si no existe ese driver, no pasa nada.
1082
//                        //                                                // Puede que el desarrollador no quiera que
1083
//                        //                                                // aparezca en el cuadro de di?logo y ha metido
1084
//                        //                                                // el jar con sus clases en nuestro directorio lib.
1085
//                        //                                                // Intentamos cargar esa clase "a pelo".
1086
//                        //                                                if (xml.getChild(2).contains("className"))
1087
//                        //                                                {
1088
//                        //                                                        String className2 = xml.getChild(2).getStringProperty("className");
1089
//                        //                                                        try {
1090
//                        //                                                                driver = (VectorialDriver) Class.forName(className2).newInstance();
1091
//                        //                                                        } catch (Exception e1) {
1092
//                        //                                                                throw new DriverLayerException(name,e1);
1093
//                        //                                                        }
1094
//                        //                                                }
1095
//                        //                                        }
1096
//                        //                                        if (driver instanceof IPersistence)
1097
//                        //                                        {
1098
//                        //                                                IPersistence persist = (IPersistence) driver;
1099
//                        //                                                persist.setXMLEntity(xml.getChild(2));
1100
//                        //                                        }
1101
//                        //                                        layer = LayerFactory.createLayer(name, driver, proj);
1102
//                        //                                }
1103
//                        //
1104
//                        //                        }
1105
//                        //
1106
//                        //                        //TODO VCN FLyrAnnotation es un parche para no tener que duplicar todo el c?digo de aq? y de los diferentes m?todos de LayerFactory,
1107
//                        //                        //ya que los drivers de una FLyrAnnotation no sabemos cual es puede ser cualquier Driver Vectorial.
1108
//                        //                        if (className.equals(FLyrAnnotation.class.getName())){
1109
//                        //                                layer=FLyrAnnotation.createLayerFromVect((FLyrVect)layer);
1110
//                        //                        }
1111
//                        //
1112
//                        //
1113
//                        //                        layer.setXMLEntity(xml);
1114
//                        //
1115
//                        //                } else {
1116
//                        //                        Class clase = LayerFactory.getLayerClassForLayerClassName(className);
1117
//                        //                        layer = (FLayer) clase.newInstance();
1118
//                        //                        if (clase.isAssignableFrom(FLayers.class)) {
1119
//                        //                                ((FLayers)layer).setMapContext(getMapContext());
1120
//                        //                                ((FLayers)layer).setParentLayer(this);
1121
//                        ////                                layer = new FLayers(getMapContext(),this);
1122
//                        //                                layer.setXMLEntity(xml);
1123
//                        //                        } else {
1124
//                        //                                // Capas Nuevas (externas)
1125
//                        //                                layer.setName(name);
1126
//                        //                                layer.setXMLEntity(xml);
1127
//                        //                                layer.load();
1128
//                        //                        }
1129
//                        //                }
1130
//                        this.addLayer(layer);
1131
//                        logger.debug("layer: "+ layer.getName() +" loaded");
1132
//                        // Comprobar que la proyecci?n es la misma que la de FMap
1133
//                        // Si no lo es, es una capa que est? reproyectada al vuelo
1134
//                        IProjection proj = layer.getProjection();
1135
//                        if ((proj != null)) {
1136
//                                if (!proj.getFullCode().equals(getMapContext().getProjection().getFullCode()))
1137
//                                {
1138
//                                        ICoordTrans ct = proj.getCT(getMapContext().getProjection());
1139
//                                        // TODO: REVISAR CON LUIS
1140
//                                        // Se lo fijamos a todas, luego cada una que se reproyecte
1141
//                                        // si puede, o que no haga nada
1142
//
1143
//                                        layer.setCoordTrans(ct);
1144
//                                }
1145
//                        }
1146
//                } catch (XMLException e) {
1147
//                        fmap.addLayerError(xml.getStringProperty("name"));
1148
//                        throw new LoadLayerException(name,e);
1149
//                } catch (ClassNotFoundException e) {
1150
//                        fmap.addLayerError(xml.getStringProperty("name"));
1151
//                        throw new LoadLayerException(name,e);
1152
//                } catch (InstantiationException e) {
1153
//                        fmap.addLayerError(xml.getStringProperty("name"));
1154
//                        throw new LoadLayerException(name,e);
1155
//                } catch (IllegalAccessException e) {
1156
//                        fmap.addLayerError(xml.getStringProperty("name"));
1157
//                        throw new LoadLayerException(name,e);
1158
//                } catch (LoadLayerException e){
1159
//                        fmap.addLayerError(xml.getStringProperty("name"));
1160
//                        throw e;
1161
//                }
1162
//        }
1163

    
1164
        /**
1165
         * <p>Sets the <code>MapContext</code> that contains this layer node.</p>
1166
         *
1167
         * @param mapContext the <code>MapContext</code> that contains this layer node
1168
         */
1169
        public void setMapContext(MapContext mapContext) {
1170
                this.fmap = mapContext;
1171
        }
1172

    
1173
//        /**
1174
//         * <p>Creates a new layer of the same class as the property <i>className</i> of the XML, after, adds the XML entity to that layer
1175
//         *  and loads the layer. Then, adds the layer to this collection of layers, and if there is a projection defined,
1176
//         *  inserts the transformation coordinates to the layer.</p>
1177
//         *
1178
//         * <p>If the new layer is an instance of <code>FLyrVect</code>, and has a label field, creates a label layer on the layer.</p>
1179
//         *
1180
//         * @param xml tree-node structure with information about layers
1181
//         * @param name name of the layer to add
1182
//         */
1183
//        private void addLayerFromXMLNew(XMLEntity xml, String name) {
1184
//                //                FLayer layer = null;
1185
//                //
1186
//                //
1187
//                //                try {
1188
//                //                        String className = xml.getStringProperty("className");
1189
//                //                        Class clazz = Class.forName(className);
1190
//                //                        if (clazz.isAssignableFrom(FLayers.class)) {
1191
//                //                                layer = (FLayer) clazz.newInstance();
1192
//                //                                ((FLayers)layer).setMapContext(getMapContext());
1193
//                //                                ((FLayers)layer).setParentLayer(this);
1194
//                //        //                if (className.equals((FLayers.class.getName()))){
1195
//                //        //                        layer = new FLayers(getMapContext(),this);
1196
//                //                        } else {
1197
//                //        //                        Por compatibilidad
1198
//                //                                if (className.equals(FLyrVect.class.getName())) {
1199
//                //                                        if (xml.contains("file")) {
1200
//                //                                                layer = new FLayerFileVectorial();
1201
//                //                                        } else if (xml.contains("db")) {
1202
//                //                                                try {
1203
//                //                                                        layer = (FLayer)((ExtensionPoint)ExtensionPointsSingleton.getInstance().get("Layers")).create("com.iver.cit.gvsig.fmap.layers.FLayerJDBCVectorial");
1204
//                //                                                } catch (Exception e) {
1205
//                //                                                        throw new XMLException(new Exception("No se tiene registrada la capa de tipo JDBC"));
1206
//                //                                                }
1207
//                //                                                //className = FLayerJDBCVectorial.class.getName();
1208
//                //                                        } else if (xml.contains("other")){
1209
//                //                                                layer = new FLayerGenericVectorial();
1210
//                //                                        } else {
1211
//                //                                                throw new XMLException(new Exception("Capa vectorial de tipo no reconocido"));
1212
//                //                                        }
1213
//                //        //                                Fin por compatibilidad
1214
//                //                                } else {
1215
//                //                                        try {
1216
//                //                                                layer = (FLayer)(((ExtensionPoint)ExtensionPointsSingleton.getInstance().get("Layers")).create(className));
1217
//                //                                        } catch (Exception e) {
1218
//                //                                                //puende que no este registrada como punto de extension
1219
//                //                                                Class clase = Class.forName(className);
1220
//                //                                                layer = (FLayer) clase.newInstance();
1221
//                //                                                // FIXME: Hacemos algo aqui o dejamos que suba el error?
1222
//                //                                        }
1223
//                //                                }
1224
//                //
1225
//                //                        }
1226
//                //                        layer.setXMLEntity(xml);
1227
//                //                        if (name != null) layer.setName(name);
1228
//                //                        layer.load();
1229
//                //
1230
//                //                        this.addLayer(layer);
1231
//                //                        logger.debug("layer: "+ layer.getName() +" loaded");
1232
//                //                        // Comprobar que la proyecci?n es la misma que la de FMap
1233
//                //                        // Si no lo es, es una capa que est? reproyectada al vuelo
1234
//                //                        IProjection proj = layer.getProjection();
1235
//                //                        if ((proj != null))
1236
//                //                                if (proj != getMapContext().getProjection())
1237
//                //                                {
1238
//                //                                        ICoordTrans ct = proj.getCT(getMapContext().getProjection());
1239
//                //                                        // TODO: REVISAR CON LUIS
1240
//                //                                        // Se lo fijamos a todas, luego cada una que se reproyecte
1241
//                //                                        // si puede, o que no haga nada
1242
//                //                                        layer.setCoordTrans(ct);
1243
//                //
1244
//                //                                }
1245
//                //                }catch (Exception e) {
1246
//                //                        fmap.addLayerError(xml.getStringProperty("name"));
1247
//                //                        logger.debug(Messages.getString("could_not_load_layer")+": "+xml.getStringProperty("name") + ".\n"
1248
//                //                                        +Messages.getString("reason")+":", e);
1249
//                //                }
1250
//        }
1251
        public void accept(Visitor visitor) throws BaseException {
1252
            for (int i = 0; i < this.getLayersCount(); i++) {
1253
                FLayer layer = this.getLayer(i);
1254
                try {
1255
                    if (layer instanceof LayersVisitable) {
1256
                        ((LayersVisitable) layer).accept(visitor);
1257
                    } else {
1258
                        visitor.visit(layer);
1259
                    }
1260
                } catch (VisitCanceledException ex) {
1261
                    break;
1262
                }
1263
            }
1264
        }
1265

    
1266
        public void accept(LayersVisitor visitor) throws BaseException {
1267
                for (int i = 0; i < this.getLayersCount(); i++) {
1268
                        FLayer layer = this.getLayer(i);
1269
                        if (layer instanceof LayersVisitable) {
1270
                                ((LayersVisitable) layer).accept(visitor);
1271
                        } else {
1272
                                visitor.visit(layer);
1273
                        }
1274
                }
1275
        }
1276

    
1277
        /*
1278
         * (non-Javadoc)
1279
         *
1280
         * @see org.gvsig.metadata.Metadata#getMetadataID()
1281
         */
1282
        public Object getMetadataID() throws MetadataException {
1283
                StringBuffer strb = new StringBuffer();
1284
                strb.append("Layers(");
1285
                strb.append(this.getName());
1286
                strb.append("):{");
1287
                Iterator iter = this.layers.iterator();
1288
                while (iter.hasNext()) {
1289
                        strb.append(((FLayer) iter.next()).getMetadataID());
1290
                        strb.append(",");
1291
                }
1292
                strb.append("}");
1293
                return strb.toString();
1294

    
1295
        }
1296

    
1297
        /*
1298
         * (non-Javadoc)
1299
         *
1300
         * @see org.gvsig.metadata.Metadata#getMetadataChildren()
1301
         */
1302
        public Set getMetadataChildren() {
1303
                Set ret = new TreeSet();
1304
                Iterator iter = this.layers.iterator();
1305
                while (iter.hasNext()) {
1306
                        ret.add(iter.next());
1307
                }
1308
                return ret;
1309
        }
1310

    
1311
        /*
1312
         * (non-Javadoc)
1313
         *
1314
         * @see org.gvsig.metadata.Metadata#getMetadataName()
1315
         */
1316
        public String getMetadataName() throws MetadataException {
1317
                StringBuffer strb = new StringBuffer();
1318
                strb.append("Layer Group '");
1319
                strb.append(this.getName());
1320
                strb.append("': {");
1321
                Iterator iter = this.layers.iterator();
1322
                while (iter.hasNext()) {
1323
                        strb.append(((FLayer) iter.next()).getMetadataName());
1324
                        strb.append(",");
1325
                }
1326
                strb.append("}");
1327
                return strb.toString();
1328
        }
1329

    
1330

    
1331
        public void beginDraw(Graphics2D g, ViewPort viewPort) {
1332
                LayerDrawEvent beforeEvent = new LayerDrawEvent(this, g, viewPort, LayerDrawEvent.LAYER_BEFORE_DRAW);
1333
                fmap.fireLayerDrawingEvent(beforeEvent);
1334
        }
1335

    
1336
        public void endDraw(Graphics2D g, ViewPort viewPort) {
1337
                LayerDrawEvent afterEvent = new LayerDrawEvent(this, g, viewPort, LayerDrawEvent.LAYER_AFTER_DRAW);
1338
                fmap.fireLayerDrawingEvent(afterEvent);
1339
        }
1340

    
1341
    public static class RegisterPersistence implements Callable {
1342

    
1343
        public Object call() {
1344
                
1345
                PersistenceManager manager = ToolsLocator.getPersistenceManager();
1346
                DynStruct definition = manager.addDefinition(
1347
                                FLayers.class,
1348
                                "FLayers",
1349
                                "FLayers Persistence definition",
1350
                                null, 
1351
                                null
1352
                );
1353
                definition.extend(PersistenceManager.PERSISTENCE_NAMESPACE, "FLyrDefault");
1354
                
1355
                definition.addDynFieldObject("mapContext").setClassOfValue(MapContext.class).setMandatory(true);
1356
                definition.addDynFieldList("layers").setClassOfItems(FLayer.class).setMandatory(true);
1357
            
1358
            return Boolean.TRUE;
1359
        }
1360
    }
1361

    
1362
        protected void doDispose() throws BaseException {
1363
                if (layers != null) {
1364
                        for (int i = 0; i < layers.size(); i++) {
1365
                                dispose((Disposable) layers.get(i));
1366
                        }
1367
                }
1368
        }
1369
        
1370
        public void move(FLayer layer, LayerCollection group, int where, FLayer adjoiningLayer) throws LayerNotFoundInCollectionException{
1371
                        
1372
                callLayerRemoving(LayerCollectionEvent.createLayerRemovingEvent(layer));
1373
                group.addLayer(layer, where, adjoiningLayer);
1374
                removeLayer(layer);
1375
                this.updateDrawVersion();
1376
                callLayerRemoved(LayerCollectionEvent.createLayerRemovedEvent(layer));
1377

    
1378
        }
1379
        
1380
        public void join(FLayer layer, LayerCollection group) {
1381
                try {
1382
                        layers.remove(layer);
1383
                        group.addLayer(layer, END, null);
1384
                        this.updateDrawVersion();
1385
                } catch (LayerNotFoundInCollectionException e){
1386
                        throw new MapContextRuntimeException(e);
1387
                }
1388
        }
1389

    
1390
        public void move(FLayer layer, LayerCollection group) {
1391
                try {
1392
                        move(layer, group, END, null);
1393
                } catch (LayerNotFoundInCollectionException e){
1394
                        throw new MapContextRuntimeException(e);
1395
                }
1396
        }
1397
        
1398
        public void addLayer(FLayer layer, int where, FLayer adjoiningLayer)
1399
        throws LayerNotFoundInCollectionException {
1400

    
1401
                switch (where) {
1402
                case BEGIN:
1403
                        addLayer(0,layer);
1404
                        break;
1405
                case BEFORE:
1406
                        if (adjoiningLayer!=null){
1407
                                if (this.layers.contains(adjoiningLayer)){
1408
                                        for(int i=0; i<this.getLayersCount(); i++){
1409
                                                if(adjoiningLayer==this.getLayer(i)){
1410
                                                        addLayer(i, layer);
1411
                                                        break;
1412
                                                }
1413
                                        }
1414
                                } else {
1415
                                        throw new LayerNotFoundInCollectionException(adjoiningLayer, this);
1416
                                }
1417
                        } else {
1418
                                addLayer(0,layer);
1419
                        }
1420
                        break;
1421
                case AFTER:
1422
                        if (adjoiningLayer!=null){
1423
                                if (this.layers.contains(adjoiningLayer)){
1424
                                        for(int i=0; i<this.getLayersCount(); i++){
1425
                                                if(adjoiningLayer==this.getLayer(i)){
1426
                                                        addLayer(i+1, layer);
1427
                                                        break;
1428
                                                }
1429
                                        }
1430
                                } else {
1431
                                        throw new LayerNotFoundInCollectionException(adjoiningLayer, this);
1432
                                }
1433
                        } else {
1434
                                this.addLayer(layer);
1435
                        }
1436
                        break;
1437
                default: // By default add layer an the end of the collection
1438
                        this.addLayer(layer);
1439
                        break;
1440
                }
1441

    
1442
        }
1443

    
1444
}