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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 @ 41840

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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.Visitor;
71

    
72

    
73
/**
74
 * <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>
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 *
80
 * @see FLyrDefault
81
 */
82
public class FLayers extends FLyrDefault implements LayerCollection,
83
InfoByPoint {
84

    
85
        
86
        /**
87
         * List with all listeners registered for this kind of node.
88
         *
89
         * @see #addLayerCollectionListener(LayerCollectionListener)
90
         * @see #removeLayerCollectionListener(LayerCollectionListener)
91
         * @see #callLayerAdded(LayerCollectionEvent)
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         * @see #callLayerAdding(LayerCollectionEvent)
93
         * @see #callLayerMoved(LayerPositionEvent)
94
         * @see #callLayerMoving(LayerPositionEvent)
95
         * @see #callLayerRemoved(LayerCollectionEvent)
96
         * @see #callLayerRemoving(LayerCollectionEvent)
97
         */
98
        protected ArrayList layerCollectionListeners = null;
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100
        /**
101
         * A synchronized list with the layers.
102
         *
103
         * @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)
108
         * @see #removeLayer(int)
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         * @see #removeLayer(String)
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         * @see #replaceLayer(String, FLayer)
111
         * @see #getVisibles()
112
         * @see #getLayer(int)
113
         * @see #getLayer(String)
114
         * @see #getLayersCount()
115
         * @see #getFullEnvelope()
116
         */
117
        protected List layers = null;
118

    
119
        /**
120
         * The model of the layer.
121
         *
122
         * @see #getMapContext()
123
         */
124
        protected MapContext fmap;
125

    
126
        /**
127
         * Useful for debug the problems during the implementation.
128
         */
129
        private static Logger logger = LoggerFactory.getLogger(FLayers.class);
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131
        public FLayers() {
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                super();
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                layerCollectionListeners = new ArrayList();
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                layers = Collections.synchronizedList(new ArrayList());
135
                
136
                logger = LoggerFactory.getLogger(FLayers.class);
137
        }
138
        /*
139
         * (non-Javadoc)
140
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#addLayerCollectionListener(com.iver.cit.gvsig.fmap.layers.LayerCollectionListener)
141
         */
142
        public void addLayerCollectionListener(LayerCollectionListener listener) {
143
                if (!layerCollectionListeners.contains(listener)) {
144
                        layerCollectionListeners.add(listener);
145
                }
146
        }
147

    
148
        /*
149
         * (non-Javadoc)
150
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#setAllVisibles(boolean)
151
         */
152
        public void setAllVisibles(boolean visible) {
153
                FLayer lyr;
154

    
155
                for (int i = 0; i < layers.size(); i++) {
156
                        lyr = ((FLayer) layers.get(i));
157
                        lyr.setVisible(visible);
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159
                        if (lyr instanceof LayerCollection) {
160
                                ((LayerCollection) lyr).setAllVisibles(visible);
161
                        }
162
                }
163
        }
164

    
165
        /*
166
         * (non-Javadoc)
167
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#removeLayerCollectionListener(com.iver.cit.gvsig.fmap.layers.LayerCollectionListener)
168
         */
169
        public void removeLayerCollectionListener(LayerCollectionListener listener) {
170
                layerCollectionListeners.remove(listener);
171
        }
172

    
173
        /**
174
         * Adds a layer on an specified position in this node.
175
         *
176
         * @param pos position in the inner list where the layer will be added
177
         * @param layer a layer
178
         */
179
        private void doAddLayer(int pos,FLayer layer) {
180
                layers.add(pos,layer);
181
                ToolsLocator.getDisposableManager().bind(layer);
182
                layer.setParentLayer(this);
183
                IProjection layerProj = layer.getProjection();
184
                if(layerProj != null && fmap != null) {
185
                        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
188
                        if (!layerProj.getAbrev().equals(mapContextProj.getAbrev())) {
189
                                ICoordTrans ct = layerProj.getCT(mapContextProj);
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                                layer.setCoordTrans(ct);
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                        } else {
192
                                layer.setCoordTrans(null);
193
                        }
194
                }
195
                this.updateDrawVersion();
196
        }
197

    
198
        /*
199
         * (non-Javadoc)
200
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#addLayer(com.iver.cit.gvsig.fmap.layers.FLayer)
201
         */
202
        public void addLayer(FLayer layer) {
203
                
204
                MapContext mco = this.getMapContext();
205
                
206
                if (mco != null) {
207
                        /*
208
                         * Get order manager from map context
209
                         */
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                        int position = mco.getOrderManager().getPosition(this, layer);
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                        addLayer(position, layer);
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                } else {
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                        /*
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                         * This happens when FLayers object is not in a
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                         * map context, so no order manager is available.
216
                         */
217
                        addLayer(layers.size(),layer);
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                }
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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
225
         */
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        public void addLayer(int pos,FLayer layer) {
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                try {
228
                        //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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                        if (layer instanceof FLayers){
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                                FLayers layers=(FLayers)layer;
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                                fmap.addAsCollectionListener(layers);
236
                        }
237
                        callLayerAdding(LayerCollectionEvent.createLayerAddingEvent(layer));
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                        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());
244
                } catch (LoadLayerException e) {
245
                        layer.setAvailable(false);
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                        layer.addError(e);
247
                }
248
        }
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250
        /*
251
         * (non-Javadoc)
252
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#moveTo(int, int)
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         */
254
        public void moveTo(int from, int to) throws CancelationException {
255
                int newfrom=layers.size()-from-1;
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                int newto=layers.size()-to-1;
257
                if ( newfrom < 0 || newfrom >=layers.size() || newto < 0 || newto >= layers.size()) {
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                        return;
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                }
260
                FLayer aux = (FLayer) layers.get(newfrom);
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                callLayerMoving(LayerPositionEvent.createLayerMovingEvent(aux, newfrom, newto));
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                layers.remove(newfrom);
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                layers.add(newto, aux);
264
                this.updateDrawVersion();
265
                callLayerMoved(LayerPositionEvent.createLayerMovedEvent(aux, newfrom, newto));
266
        }
267

    
268
        /**
269
         * Removes an inner layer.
270
         *
271
         * @param lyr a layer
272
         */
273
        private void doRemoveLayer(FLayer lyr) {
274
                layers.remove(lyr);
275
                lyr.dispose();
276
                this.updateDrawVersion();
277
        }
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279
        /*
280
         * (non-Javadoc)
281
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#removeLayer(com.iver.cit.gvsig.fmap.layers.FLayer)
282
         */
283
        public void removeLayer(FLayer lyr) throws CancelationException {
284
                callLayerRemoving(LayerCollectionEvent.createLayerRemovingEvent(lyr));
285
                doRemoveLayer(lyr);
286
                callLayerRemoved(LayerCollectionEvent.createLayerRemovedEvent(lyr));
287
        }
288

    
289
        /*
290
         * (non-Javadoc)
291
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#removeLayer(int)
292
         */
293
        public void removeLayer(int idLayer) {
294
                FLayer lyr = (FLayer) layers.get(idLayer);
295
                callLayerRemoving(LayerCollectionEvent.createLayerRemovingEvent(lyr));
296
                this.doRemoveLayer(lyr);
297
//                layers.remove(idLayer);
298
//                this.updateDrawVersion();
299
                callLayerRemoved(LayerCollectionEvent.createLayerRemovedEvent(lyr));
300
        }
301

    
302
        /*
303
         * (non-Javadoc)
304
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#removeLayer(java.lang.String)
305
         */
306
        public void removeLayer(String layerName) {
307
                FLayer lyr;
308

    
309
                for (int i = 0; i < layers.size(); i++) {
310
                        lyr = ((FLayer) layers.get(i));
311

    
312
                        if (lyr.getName().compareToIgnoreCase(layerName) == 0) {
313
                                removeLayer(i);
314

    
315
                                break;
316
                        }
317
                }
318
        }
319

    
320
        /**
321
         * Replace a layer identified by its name, by another.
322
         *
323
         * @param layerName the name of the layer to be replaced
324
         * @param layer the new layer
325
         * @deprecated use {@link FLayers#replaceLayer(FLayer, FLayer)}
326
         */
327
        public void replaceLayer(String layerName, FLayer layer) throws LoadLayerException
328
        {
329
                replaceLayer(getLayer(layerName), layer);
330
        }
331
        
332
        /**
333
     * Replace a layer by another layer.  It search recursively by all the 
334
     * ILayerCollection nodes
335
     *
336
     * @param layer
337
     *          the layer to be replaced
338
     * @param newLayer
339
     *          the new layer
340
     */
341
    public void replaceLayer(FLayer layer, FLayer newLayer) throws LoadLayerException
342
    {        
343
        replaceLayer(this, layer, newLayer);
344
    }
345
    
346
    /**
347
     * Replace a layer by other layer. It search recursively by all the 
348
     * ILayerCollection nodes
349
     * @param parentLayer
350
     *          the parent layer
351
     * @param layer
352
     *          the layer to be replaced
353
     * @param newLayer
354
     *          the new layer
355
     * @throws LoadLayerException
356
     */
357
    private void replaceLayer(FLayers parentLayer, FLayer layer, FLayer newLayer) throws LoadLayerException
358
    {        
359
        FLayer lyr;       
360
        for (int i = 0; i < parentLayer.getLayersCount(); i++) {
361
            lyr = ((FLayer) parentLayer.getLayer(i));
362
            if (lyr.equals(layer)) {              
363
                parentLayer.removeLayer(i);             
364
                parentLayer.addLayer(i, newLayer);                
365
                break;
366
            }
367
            if (lyr instanceof LayerCollection){
368
                replaceLayer((FLayers)lyr, layer, newLayer);
369
            }
370
        }
371
    }
372

    
373
        /*
374
         * (non-Javadoc)
375
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#getVisibles()
376
         */
377
        public FLayer[] getVisibles() {
378
                ArrayList array = new ArrayList();
379
                LayersIterator iter = new LayersIterator(this) {
380
                        public boolean evaluate(FLayer layer) {
381
                                return layer.isVisible();
382
                        }
383

    
384
                };
385

    
386
                while (iter.hasNext()) {
387
                        array.add(iter.nextLayer());
388
                }
389

    
390
                return (FLayer[]) array.toArray(new FLayer[0]);
391
        }
392

    
393
        /*
394
         * (non-Javadoc)
395
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#getLayer(int)
396
         */
397
        public FLayer getLayer(int index) {
398
                return (FLayer) layers.get(index);
399
        }
400

    
401
        /*
402
         * (non-Javadoc)
403
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#getLayer(java.lang.String)
404
         */
405
        public FLayer getLayer(String layerName) {
406
                FLayer lyr;
407
                FLayer lyr2;
408
                ArrayList layerList;
409

    
410
                for (int i = 0; i < layers.size(); i++) {
411
                        lyr = ((FLayer) layers.get(i));
412

    
413
                        if (lyr.getName().compareToIgnoreCase(layerName) == 0) {
414
                                return lyr;
415
                        }
416

    
417
                        layerList = new ArrayList();
418
                        splitLayerGroup(lyr,layerList);
419
                        for(int j = 0; j<layerList.size(); j++ )
420
                        {
421
                                lyr2 = ((FLayer)layerList.get(j));
422
                                if (lyr2.getName().compareToIgnoreCase(layerName) == 0) {
423
                                        return lyr2;
424
                                }
425
                        }
426
                }
427

    
428
                return null;
429
        }
430

    
431
        /**
432
         * <p> Splits up a layer group in order to get a layer by name when there are layer groups</p>
433
         *
434
         * <p>In <code>result</code> always will be at least one layer.</p>
435
         *
436
         * @param layer the layer we are looking for
437
         * @param result an array list that will have the results of the search
438
         */
439
        private void splitLayerGroup(FLayer layer, ArrayList result)
440
        {
441
                int i;
442
                FLayers layerGroup;
443
                if (layer instanceof FLayers)
444
                {
445
                        layerGroup = (FLayers)layer;
446
                        for (i=0; i < layerGroup.getLayersCount(); i++ )
447
                        {
448
                                splitLayerGroup(layerGroup.getLayer(i),result);
449
                        }
450
                }
451
                else
452
                {
453
                        result.add(layer);
454
                }
455
        }
456

    
457
        /*
458
         * (non-Javadoc)
459
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#getLayersCount()
460
         */
461
        public int getLayersCount() {
462
                return layers.size();
463
        }
464

    
465
        /*
466
         * (non-Javadoc)
467
         * @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)
468
         */
469
        public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort,
470
                        Cancellable cancel, double scale) throws ReadException {
471
                // FIXME Arreglar este error
472
                throw new RuntimeException("Esto no deberia de llamarse");
473
        }
474

    
475
        /*
476
         * (non-Javadoc)
477
         *
478
         * @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D,
479
         * com.iver.cit.gvsig.fmap.ViewPort,
480
         * com.iver.utiles.swing.threads.Cancellable, double,
481
         * javax.print.attribute.PrintAttributes)
482
         */
483
        public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel,
484
                        double scale, PrintAttributes properties)
485
        throws ReadException {
486
                throw new RuntimeException("No deberia pasar por aqui");
487
        }
488

    
489
        public void print_old(Graphics2D g, ViewPort viewPort, Cancellable cancel,
490
                        double scale, PrintAttributes properties)
491
        throws ReadException {
492
                this.print_old(g, viewPort, cancel, scale, properties, null);
493
        }
494

    
495
        /**
496
         * <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
497
         *  a group of layers (<code>ComposedLayer</code>), executes it's drawn.</p>
498
         *
499
         * <p>All nodes which could group with the composed layer <code>group</code>, will be drawn together. And once the <code>
500
         * group</code> is drawn, will be set to <code>null</code> if hasn't a parent layer.</p>
501
         *
502
         * <p>The particular implementation depends on the kind of each layer and composed layer. And this process can be cancelled at any
503
         *  time by the shared object <code>cancel</code>.</p>
504
         *
505
         * <p>According the print quality, labels will be printed in different resolution:
506
         *  <ul>
507
         *   <li><b>PrintQuality.DRAFT</b>: 72 dpi (dots per inch).</li>
508
         *   <li><b>PrintQuality.NORMAL</b>: 300 dpi (dots per inch).</li>
509
         *   <li><b>PrintQuality.HIGH</b>: 600 dpi (dots per inch).</li>
510
         *  </ul>
511
         * </p>
512
         *
513
         * @param g for rendering 2-dimensional shapes, text and images on the Java(tm) platform
514
         * @param viewPort the information for drawing the layers
515
         * @param cancel shared object that determines if this layer can continue being drawn
516
         * @param scale the scale of the view. Must be between {@linkplain FLayer#getMinScale()} and {@linkplain FLayer#getMaxScale()}.
517
         * @param properties properties that will be print
518
         * @param group a composed layer pending to paint; if this parameter is <code>null</code>, the composed layer
519
         *
520
         * @return <code>null</code> if the layers in <code>group</code> had been drawn or were <code>null</code>; otherwise, the <code>group</code>
521
         *
522
         * @see FLayer#print(Graphics2D, ViewPort, Cancellable, double, PrintAttributes)
523
         *
524
         * @throws ReadDriverException if fails the driver reading the data.
525
         */
526
        public ComposedLayer print_old(Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, PrintAttributes properties, ComposedLayer group)
527
        throws ReadException {
528
                double dpi = 72;
529

    
530
                int resolution = properties.getPrintQuality();
531
                if (resolution == PrintAttributes.PRINT_QUALITY_NORMAL) {
532
                        dpi = 300;
533
                } else if (resolution == PrintAttributes.PRINT_QUALITY_HIGH){
534
                        dpi = 600;
535
                } else if (resolution == PrintAttributes.PRINT_QUALITY_DRAFT){
536
                        dpi = 72;
537
                }
538

    
539
                // TODO: A la hora de imprimir, isWithinScale falla, porque est?
540
                // calculando la escala en pantalla, no para el layout.
541
                // Revisar esto.
542

    
543
                // TODO: We have to check when we have to call the drawLabels method when exists a ComposedLayer group.
544
                for (int i=0; i < layers.size(); i++) {
545
                        FLayer lyr = (FLayer) layers.get(i);
546
                        if (!lyr.isVisible() || !lyr.isWithinScale(scale)) {
547
                                continue;
548
                        }
549

    
550
                        try{
551

    
552
                                ///// CHEMA ComposedLayer
553
                                // Checks for draw group (ComposedLayer)
554
                                if (group != null) {
555
                                        if (lyr instanceof FLayers){
556
                                                group = ((FLayers)lyr).print_old(g, viewPort, cancel,scale,properties,group);
557
                                        } else {
558
                                                // If layer can be added to the group, does it
559
                                                if (lyr instanceof ILabelable
560
                                                                && ((ILabelable) lyr).isLabeled()
561
                                                                && ((ILabelable) lyr).getLabelingStrategy() != null
562
                                                                && ((ILabelable) lyr).getLabelingStrategy().shouldDrawLabels(scale)) {
563
                                                        group.add(lyr);
564
                                                } else {
565
                                                        // draw the 'pending to draw' layer group
566
                                                        group.print(g,viewPort,cancel,scale,properties);
567

    
568
                                                        // gets a new group instance
569
                                                        if (lyr instanceof ILabelable
570
                                                                        && ((ILabelable) lyr).isLabeled()
571
                                                                        && ((ILabelable) lyr).getLabelingStrategy() != null
572
                                                                        && ((ILabelable) lyr).getLabelingStrategy().shouldDrawLabels(scale)) {
573
                                                                group = lyr.newComposedLayer();
574
                                                        } else {
575
                                                                group = null;
576
                                                        }
577
                                                        // if layer hasn't group, draws it inmediately
578
                                                        if (group == null) {
579
                                                                if (lyr instanceof FLayers){
580
                                                                        group = ((FLayers)lyr).print_old(g, viewPort, cancel,scale,properties,group);
581
                                                                } else {
582
                                                                        lyr.print(g, viewPort, cancel,scale,properties);
583
                                                                        if (lyr instanceof ILabelable
584
                                                                                        && ((ILabelable) lyr).isLabeled()
585
                                                                                        && ((ILabelable) lyr).getLabelingStrategy() != null
586
                                                                                        && ((ILabelable) lyr).getLabelingStrategy().shouldDrawLabels(scale)) {
587
                                                                                ILabelable lLayer = (ILabelable) lyr;
588
                                                                                lLayer.drawLabels(null, g, viewPort, cancel, scale, dpi);
589
                                                                        }
590
                                                                }
591
                                                        } else {
592
                                                                // add the layer to the group
593
                                                                group.setMapContext(fmap);
594
                                                                group.add(lyr);
595

    
596
                                                        }
597

    
598
                                                }
599
                                        }
600
                                } else {
601
                                        // gets a new group instance
602
                                        group = lyr.newComposedLayer();
603
                                        // if layer hasn't group, draws it inmediately
604
                                        if (group == null) {
605
                                                if (lyr instanceof FLayers){
606
                                                        group = ((FLayers)lyr).print_old(g, viewPort, cancel,scale,properties,group);
607
                                                } else {
608
                                                        lyr.print(g, viewPort, cancel,scale,properties);
609
                                                        if (lyr instanceof ILabelable && ((ILabelable) lyr).isLabeled()) {
610
                                                                ILabelable lLayer = (ILabelable) lyr;
611

    
612
                                                                lLayer.drawLabels(null, g, viewPort, cancel, scale, dpi);
613
                                                        }
614
                                                }
615
                                        } else {
616
                                                // add the layer to the group
617
                                                group.setMapContext(fmap);
618
                                                group.add(lyr);
619

    
620
                                        }
621
                                }
622
                                ///// CHEMA ComposedLayer
623

    
624
                        } catch (Exception e){
625
                                String mesg = Messages.getString("error_printing_layer")+" "+ lyr.getName() + ": " + e.getMessage();
626
                                fmap.addLayerError(mesg);
627
                                logger.error(mesg, e);
628
                        }
629

    
630
                }
631

    
632
                ///// CHEMA ComposedLayer
633
                if (group != null && this.getParentLayer() == null) {
634
                        //si tenemos un grupo pendiente de pintar, pintamos
635
                        group.print(g, viewPort, cancel,scale,properties);
636
                        group = null;
637

    
638
                }
639
                ///// CHEMA ComposedLayer
640

    
641
                //                if (getVirtualLayers() != null) {
642
                //                        getVirtualLayers().print( g, viewPort, cancel, scale, properties);
643
                //                }
644

    
645
                ///// CHEMA ComposedLayer
646
                return group;
647
                ///// CHEMA ComposedLayer
648
        }
649

    
650
        /*
651
         * (non-Javadoc)
652
         * @see com.iver.cit.gvsig.fmap.layers.FLayer#getFullExtent()
653
         */
654
        public Envelope getFullEnvelope() {
655
                Envelope rAux = null;
656
                boolean first = true;
657

    
658

    
659
                for (Iterator iter = layers.iterator(); iter.hasNext();) {
660
                        FLayer capa = (FLayer) iter.next();
661
                        try{
662
                                if (first) {
663
                                        rAux = (Envelope)capa.getFullEnvelope().clone();
664
                                        first=false;
665
                                } else {
666
                                        rAux.add(capa.getFullEnvelope());
667
                                }
668
                        }catch (Exception e) {
669
                                e.printStackTrace();//TODO hay que revisar para determinar el comportamiento que espera el usuario.
670
                        }
671
                }
672

    
673
                return rAux;
674
        }
675

    
676
        /**
677
         * Notifies all listeners associated to this collection of layers,
678
         *  that another layer is going to be added or replaced in the internal
679
         *  list of layers.
680
         *
681
         * @param e a layer collection event with the new layer
682
         */
683
        protected void callLayerAdding(LayerCollectionEvent event)
684
        throws CancelationException {
685
                ArrayList aux = (ArrayList) layerCollectionListeners.clone();
686
                for (Iterator iter = aux.iterator(); iter.hasNext();) {
687
                        ((LayerCollectionListener) iter.next()).layerAdding(event);
688
                }
689
        }
690

    
691
        /**
692
         * Notifies all listeners associated to this collection of layers,
693
         *  that a layer is going to be removed from the internal list of layers.
694
         *
695
         * @param event a layer collection event with the layer being removed
696
         *
697
         * @throws CancelationException any exception produced during the cancellation of the driver.
698
         */
699
        protected void callLayerRemoving(LayerCollectionEvent event)
700
        throws CancelationException {
701
                ArrayList aux = (ArrayList) layerCollectionListeners.clone();
702
                for (Iterator iter = aux.iterator(); iter.hasNext();) {
703
                        ((LayerCollectionListener) iter.next()).layerRemoving(event);
704
                }
705
        }
706

    
707
        /**
708
         * Notifies all listeners associated to this collection of layers,
709
         *  that a layer is going to be moved in the internal list of layers.
710
         *
711
         * @param event a layer collection event with the layer being moved, and the initial and final positions
712
         *
713
         * @throws CancelationException any exception produced during the cancellation of the driver.
714
         */
715
        protected void callLayerMoving(LayerPositionEvent event)
716
        throws CancelationException {
717
                ArrayList aux = (ArrayList) layerCollectionListeners.clone();
718
                for (Iterator iter = aux.iterator(); iter.hasNext();) {
719
                        ((LayerCollectionListener) iter.next()).layerMoving(event);
720
                }
721
        }
722

    
723
        /**
724
         * Notifies all listeners associated to this collection of layers,
725
         *  that another layer has been added or replaced in the internal
726
         *  list of layers.
727
         *
728
         * @param e a layer collection event with the new layer
729
         */
730
        protected void callLayerAdded(LayerCollectionEvent event) {
731
                ArrayList aux = (ArrayList) layerCollectionListeners.clone();
732
                for (Iterator iter = aux.iterator(); iter.hasNext();) {
733
                        ((LayerCollectionListener) iter.next()).layerAdded(event);
734
                }
735
        }
736

    
737
        /**
738
         * Notifies all listeners associated to this collection of layers,
739
         *  that another layer has been removed from the internal list of layers.
740
         *
741
         * @param e a layer collection event with the layer removed
742
         */
743
        protected void callLayerRemoved(LayerCollectionEvent event) {
744
                ArrayList aux = (ArrayList) layerCollectionListeners.clone();
745
                for (Iterator iter = aux.iterator(); iter.hasNext();) {
746
                        ((LayerCollectionListener) iter.next()).layerRemoved(event);
747
                }
748
        }
749

    
750
        /**
751
         * Notifies all listeners associated to this collection of layers,
752
         *  that another layer has been moved in the internal list of layers.
753
         *
754
         * @param e a layer collection event with the layer moved, and the initial and final positions
755
         */
756
        protected void callLayerMoved(LayerPositionEvent event) {
757
                ArrayList aux = (ArrayList) layerCollectionListeners.clone();
758
                for (Iterator iter = aux.iterator(); iter.hasNext();) {
759
                        ((LayerCollectionListener) iter.next()).layerMoved(event);
760
                }
761
        }
762

    
763
        public void saveToState(PersistentState state) throws PersistenceException {
764
                
765
                super.saveToState(state);
766
                
767
                state.set("mapContext", fmap);
768
                state.set("layers", layers);
769
        }
770

    
771
        public void loadFromState(PersistentState state) throws PersistenceException {
772

    
773
                super.loadFromState(state);
774

    
775
                setMapContext((MapContext) state.get("mapContext"));
776
                Iterator iter = state.getIterator("layers");
777
                while (iter.hasNext()) {
778
                        FLayer item = (FLayer) iter.next();
779
                        layers.add(item); 
780
                }
781
        }
782
        
783
        /*
784
         * (non-Javadoc)
785
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#getMapContext()
786
         */
787
        public MapContext getMapContext() {
788
                return fmap;
789
        }
790

    
791
        /*
792
         * I don't think this implementation makes any sense.
793
         * We can group layers with different transformations,
794
         * we cannot set the ICoordTrans for all (?)
795
         * 
796
        public void setCoordTrans(ICoordTrans ct) {
797
                super.setCoordTrans(ct);
798

799
                for (Iterator iter = layers.iterator(); iter.hasNext();) {
800
                        FLayer layer = (FLayer) iter.next();
801
                        layer.setCoordTrans(ct);
802
                }
803
        }
804
        */
805
        
806
        /*
807
         * (non-Javadoc)
808
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#setAllActives(boolean)
809
         */
810
        public void setAllActives(boolean active) {
811
                FLayer lyr;
812

    
813
                for (int i = 0; i < layers.size(); i++) {
814
                        lyr = ((FLayer) layers.get(i));
815
                        lyr.setActive(active);
816

    
817
                        if (lyr instanceof LayerCollection) {
818
                                ((LayerCollection) lyr).setAllActives(active);
819
                        }
820
                }
821
        }
822

    
823
        /*
824
         * (non-Javadoc)
825
         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection#getActives()
826
         */
827
        public FLayer[] getActives() {
828
                ArrayList ret = new ArrayList();
829
                LayersIterator it = new LayersIterator(this) {
830

    
831
                        public boolean evaluate(FLayer layer) {
832
                                return layer.isActive();
833
                        }
834

    
835
                };
836

    
837
                while (it.hasNext())
838
                {
839
                        ret.add(it.next());
840
                }
841
                return (FLayer[]) ret.toArray(new FLayer[0]);
842
        }
843

    
844
        /*
845
         * (non-Javadoc)
846
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#getMinScale()
847
         */
848
        public double getMinScale() {
849
                return -1; // La visibilidad o no la controla cada capa
850
                // dentro de una colecci?n
851
        }
852
        /*
853
         * (non-Javadoc)
854
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#getMaxScale()
855
         */
856
        public double getMaxScale() {
857
                return -1;
858
        }
859
        /*
860
         * (non-Javadoc)
861
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#setMinScale(double)
862
         */
863
        public void setMinScale(double minScale)
864
        {
865
                for (Iterator iter = layers.iterator(); iter.hasNext();) {
866
                        FLayer lyr = (FLayer) iter.next();
867
                        lyr.setMinScale(minScale);
868
                }
869
        }
870
        /*
871
         * (non-Javadoc)
872
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#setMaxScale(double)
873
         */
874
        public void setMaxScale(double maxScale)
875
        {
876
                for (Iterator iter = layers.iterator(); iter.hasNext();) {
877
                        FLayer lyr = (FLayer) iter.next();
878
                        lyr.setMinScale(maxScale);
879
                }
880
        }
881
        /*
882
         * (non-Javadoc)
883
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#setActive(boolean)
884
         */
885
        public void setActive(boolean b){
886
                super.setActive(b);
887
                for (int i=0;i<layers.size();i++){
888
                        ((FLayer)layers.get(i)).setActive(b);
889
                }
890
        }
891
        /* (non-Javadoc)
892
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#addLayerListener(com.iver.cit.gvsig.fmap.layers.LayerListener)
893
         */
894
        public boolean addLayerListener(LayerListener o) {
895
                for (int i = 0; i < layers.size(); i++) {
896
                        ((FLayer) layers.get(i)).addLayerListener(o);
897
                }
898
                return true;
899
        }
900

    
901
    public DynObjectSet getInfo(Point p, double tolerance,
902
                        Cancellable cancel) throws LoadLayerException, DataException {
903
            return getInfo(this.getMapContext().getViewPort().convertToMapPoint(p), tolerance);
904
    }
905

    
906
    public DynObjectSet getInfo(Point p, double tolerance, Cancellable cancel,
907
        boolean fast) throws LoadLayerException, DataException {
908
            return getInfo(this.getMapContext().getViewPort().convertToMapPoint(p), tolerance);
909
    }
910
    
911
    public DynObjectSet getInfo(org.gvsig.fmap.geom.primitive.Point p,
912
                    double tolerance) throws LoadLayerException, DataException {
913
        int i;
914
        FLayer layer;
915
        List res = new ArrayList();
916
        for (i = 0; i < this.layers.size(); i++) {
917
            layer = (FLayer) layers.get(i);
918
            if (layer instanceof InfoByPoint) {
919
                InfoByPoint queryable_layer = (InfoByPoint) layer;
920
                res.add(queryable_layer.getInfo(p, tolerance));
921
            }
922
        }
923
        DynObjectSet[] innerSets =
924
            (DynObjectSet[]) res.toArray(new DynObjectSet[res.size()]);
925
        return new MultiDynObjectSet(innerSets);
926
    }
927
    
928
        /*
929
         * (non-Javadoc)
930
         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#getTocImageIcon()
931
         */
932
        public String getTocImageIcon() {
933
                return "layer-icon-group";
934
        }
935

    
936
        /**
937
         * <p>Adds the layer with the information in an XML entity and the specified name, to this collection of layers. And
938
         *  returns <code>true</code> if there hasn't been errors.</p>
939
         *
940
         * @see CopyOfFLayers#addLayerFromXML(XMLEntity, String)
941
         *
942
         * @param xml tree-node structure with information about layers
943
         * @param name name of the layer to add
944
         * @return <code>true</code> if there were no errors adding the layer, <code>false</code> otherwise
945
         *
946
         * @throws LoadLayerException if fails loading this layer.
947
         */
948
        //        public boolean addLayerFromXMLEntity(XMLEntity xml, String name) throws LoadLayerException {
949
        //                fmap.clearErrors();
950
        //                this.addLayerFromXML(xml,name);
951
        //
952
        //                return (fmap.getLayersError().size() == 0);
953
        //
954
        //        }
955

    
956
//        /**
957
//         * <p>Adds the layer with the information in an XML entity and the specified name, to this collection of layers.</p>
958
//         *
959
//         * <p>This method really executes the addition, considering the kind of layer (<code>FLyrVect</code>,
960
//         *  <code>FLyrAnnotation</code>, <code>FLyrRaster</code>, a collection of layers (<code>FLayers</code>),
961
//         *  or another kind of layer (<code>FLayer</code>)), and the driver in the layer.</p>
962
//         *
963
//         * @param xml tree-node structure with information about layers
964
//         * @param name name of the layer to add
965
//         *
966
//         * @throws LoadLayerException if fails loading this layer.
967
//         */
968
//        private void addLayerFromXML(XMLEntity xml, String name) throws LoadLayerException {
969
//                FLayer layer = null;
970
//
971
//                try {
972
//                        if (name == null) {
973
//                                name = xml.getName();
974
//                        }
975
//
976
//
977
//                        String className = xml.getStringProperty("className");
978
//                        Class clase = Class.forName(className);
979
//                        layer = (FLayer) clase.newInstance();
980
//                        if (FLayers.class.isAssignableFrom(clase)) {
981
//                                ((FLayers)layer).setMapContext(getMapContext());
982
//                                ((FLayers)layer).setParentLayer(this);
983
//                                //                        layer = new FLayers(getMapContext(),this);
984
//                                layer.setXMLEntity(xml);
985
//                        } else {
986
//                                // Capas Nuevas (externas)
987
//                                layer.setName(name);
988
//                                layer.setXMLEntity(xml);
989
//                                layer.load();
990
//                        }
991
//
992
//                        //                //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,
993
//                        //                //ya que los drivers de una FLyrAnnotation no sabemos cual es puede ser cualquier Driver Vectorial.
994
//                        //                if (className.equals(FLyrVect.class.getName())){// || className.equals(FLyrAnnotation.class.getName())) {
995
//                        //                        String type = xml.getStringProperty("type");
996
//                        //                        if ("vectorial".equals(type)){
997
//                        //                                //String recordsetName = xml.getChild(i).getStringProperty("recordset-name");
998
//                        //                                IProjection proj = null;
999
//                        //                                if (xml.contains("proj")) {
1000
//                        //                                        proj = CRSFactory.getCRS(xml.getStringProperty("proj"));
1001
//                        //                                }
1002
//                        //                                else
1003
//                        //                                {
1004
//                        //                                        proj = this.getMapContext().getViewPort().getProjection();
1005
//                        //                                }
1006
//                        //                                if (xml.contains("file")) {
1007
//                        //                                        Driver d;
1008
//                        //                                        try {
1009
//                        //                                                d = LayerFactory.getDM().getDriver(xml.getStringProperty("driverName"));
1010
//                        //                                        } catch (DriverLoadException e1) {
1011
//                        //                                                throw new DriverLayerException(name,e1);
1012
//                        //                                        }
1013
//                        //                                        layer = LayerFactory.createLayer(name, (VectorialFileDriver) d,
1014
//                        //                                                        new File(xml.getStringProperty("file")),
1015
//                        //                                                        proj);
1016
//                        //
1017
//                        //
1018
//                        //                                }
1019
//                        //                                if (xml.contains("db")) {
1020
//                        //
1021
//                        //                                        String driverName = xml.getStringProperty("db");
1022
//                        //                                        IVectorialDatabaseDriver driver;
1023
//                        //                                        try {
1024
//                        //                                                driver = (IVectorialDatabaseDriver) LayerFactory.getDM().getDriver(driverName);
1025
//                        //                                                //Hay que separar la carga de los datos del XMLEntity del load.
1026
//                        //                                                driver.setXMLEntity(xml.getChild(2));
1027
//                        //
1028
//                        //                                                boolean loadOk = false;
1029
//                        //                                                ((DefaultJDBCDriver)driver).load();
1030
//                        //                                                if (((DefaultJDBCDriver)driver).getConnection() != null) {
1031
//                        //                                                        loadOk = true;
1032
//                        //                                                }
1033
//                        //                                                layer = LayerFactory.createDBLayer(driver, name, proj);
1034
//                        //                                                if (!loadOk) {
1035
//                        //                                                        layer.setAvailable(false);
1036
//                        //                                                }
1037
//                        //
1038
//                        //                                        } catch (DriverLoadException e) {
1039
//                        //                                                throw new DriverLayerException(name,e);
1040
//                        //                                        } catch (XMLException e) {
1041
//                        //                                                throw new DriverLayerException(name,e);
1042
//                        //                                        } catch (ReadException e) {
1043
//                        //                                                throw new DriverLayerException(name,e);
1044
//                        //                                        }
1045
//                        //
1046
//                        //                                }
1047
//                        //                                // Clases con algun driver gen?rico creado por otro
1048
//                        //                                // programador
1049
//                        //                                if (xml.contains("other")) {
1050
//                        //
1051
//                        //                                        String driverName = xml.getStringProperty("other");
1052
//                        //                                        VectorialDriver driver = null;
1053
//                        //                                        try {
1054
//                        //                                                driver = (VectorialDriver) LayerFactory.getDM().getDriver(driverName);
1055
//                        //                                        } catch (DriverLoadException e) {
1056
//                        //                                                // Si no existe ese driver, no pasa nada.
1057
//                        //                                                // Puede que el desarrollador no quiera que
1058
//                        //                                                // aparezca en el cuadro de di?logo y ha metido
1059
//                        //                                                // el jar con sus clases en nuestro directorio lib.
1060
//                        //                                                // Intentamos cargar esa clase "a pelo".
1061
//                        //                                                if (xml.getChild(2).contains("className"))
1062
//                        //                                                {
1063
//                        //                                                        String className2 = xml.getChild(2).getStringProperty("className");
1064
//                        //                                                        try {
1065
//                        //                                                                driver = (VectorialDriver) Class.forName(className2).newInstance();
1066
//                        //                                                        } catch (Exception e1) {
1067
//                        //                                                                throw new DriverLayerException(name,e);
1068
//                        //                                                        }
1069
//                        //                                                }
1070
//                        //                                        } catch (NullPointerException npe) {
1071
//                        //                                                // Si no existe ese driver, no pasa nada.
1072
//                        //                                                // Puede que el desarrollador no quiera que
1073
//                        //                                                // aparezca en el cuadro de di?logo y ha metido
1074
//                        //                                                // el jar con sus clases en nuestro directorio lib.
1075
//                        //                                                // Intentamos cargar esa clase "a pelo".
1076
//                        //                                                if (xml.getChild(2).contains("className"))
1077
//                        //                                                {
1078
//                        //                                                        String className2 = xml.getChild(2).getStringProperty("className");
1079
//                        //                                                        try {
1080
//                        //                                                                driver = (VectorialDriver) Class.forName(className2).newInstance();
1081
//                        //                                                        } catch (Exception e1) {
1082
//                        //                                                                throw new DriverLayerException(name,e1);
1083
//                        //                                                        }
1084
//                        //                                                }
1085
//                        //                                        }
1086
//                        //                                        if (driver instanceof IPersistence)
1087
//                        //                                        {
1088
//                        //                                                IPersistence persist = (IPersistence) driver;
1089
//                        //                                                persist.setXMLEntity(xml.getChild(2));
1090
//                        //                                        }
1091
//                        //                                        layer = LayerFactory.createLayer(name, driver, proj);
1092
//                        //                                }
1093
//                        //
1094
//                        //                        }
1095
//                        //
1096
//                        //                        //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,
1097
//                        //                        //ya que los drivers de una FLyrAnnotation no sabemos cual es puede ser cualquier Driver Vectorial.
1098
//                        //                        if (className.equals(FLyrAnnotation.class.getName())){
1099
//                        //                                layer=FLyrAnnotation.createLayerFromVect((FLyrVect)layer);
1100
//                        //                        }
1101
//                        //
1102
//                        //
1103
//                        //                        layer.setXMLEntity(xml);
1104
//                        //
1105
//                        //                } else {
1106
//                        //                        Class clase = LayerFactory.getLayerClassForLayerClassName(className);
1107
//                        //                        layer = (FLayer) clase.newInstance();
1108
//                        //                        if (clase.isAssignableFrom(FLayers.class)) {
1109
//                        //                                ((FLayers)layer).setMapContext(getMapContext());
1110
//                        //                                ((FLayers)layer).setParentLayer(this);
1111
//                        ////                                layer = new FLayers(getMapContext(),this);
1112
//                        //                                layer.setXMLEntity(xml);
1113
//                        //                        } else {
1114
//                        //                                // Capas Nuevas (externas)
1115
//                        //                                layer.setName(name);
1116
//                        //                                layer.setXMLEntity(xml);
1117
//                        //                                layer.load();
1118
//                        //                        }
1119
//                        //                }
1120
//                        this.addLayer(layer);
1121
//                        logger.debug("layer: "+ layer.getName() +" loaded");
1122
//                        // Comprobar que la proyecci?n es la misma que la de FMap
1123
//                        // Si no lo es, es una capa que est? reproyectada al vuelo
1124
//                        IProjection proj = layer.getProjection();
1125
//                        if ((proj != null)) {
1126
//                                if (!proj.getFullCode().equals(getMapContext().getProjection().getFullCode()))
1127
//                                {
1128
//                                        ICoordTrans ct = proj.getCT(getMapContext().getProjection());
1129
//                                        // TODO: REVISAR CON LUIS
1130
//                                        // Se lo fijamos a todas, luego cada una que se reproyecte
1131
//                                        // si puede, o que no haga nada
1132
//
1133
//                                        layer.setCoordTrans(ct);
1134
//                                }
1135
//                        }
1136
//                } catch (XMLException e) {
1137
//                        fmap.addLayerError(xml.getStringProperty("name"));
1138
//                        throw new LoadLayerException(name,e);
1139
//                } catch (ClassNotFoundException e) {
1140
//                        fmap.addLayerError(xml.getStringProperty("name"));
1141
//                        throw new LoadLayerException(name,e);
1142
//                } catch (InstantiationException e) {
1143
//                        fmap.addLayerError(xml.getStringProperty("name"));
1144
//                        throw new LoadLayerException(name,e);
1145
//                } catch (IllegalAccessException e) {
1146
//                        fmap.addLayerError(xml.getStringProperty("name"));
1147
//                        throw new LoadLayerException(name,e);
1148
//                } catch (LoadLayerException e){
1149
//                        fmap.addLayerError(xml.getStringProperty("name"));
1150
//                        throw e;
1151
//                }
1152
//        }
1153

    
1154
        /**
1155
         * <p>Sets the <code>MapContext</code> that contains this layer node.</p>
1156
         *
1157
         * @param mapContext the <code>MapContext</code> that contains this layer node
1158
         */
1159
        public void setMapContext(MapContext mapContext) {
1160
                this.fmap = mapContext;
1161
        }
1162

    
1163
//        /**
1164
//         * <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
1165
//         *  and loads the layer. Then, adds the layer to this collection of layers, and if there is a projection defined,
1166
//         *  inserts the transformation coordinates to the layer.</p>
1167
//         *
1168
//         * <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>
1169
//         *
1170
//         * @param xml tree-node structure with information about layers
1171
//         * @param name name of the layer to add
1172
//         */
1173
//        private void addLayerFromXMLNew(XMLEntity xml, String name) {
1174
//                //                FLayer layer = null;
1175
//                //
1176
//                //
1177
//                //                try {
1178
//                //                        String className = xml.getStringProperty("className");
1179
//                //                        Class clazz = Class.forName(className);
1180
//                //                        if (clazz.isAssignableFrom(FLayers.class)) {
1181
//                //                                layer = (FLayer) clazz.newInstance();
1182
//                //                                ((FLayers)layer).setMapContext(getMapContext());
1183
//                //                                ((FLayers)layer).setParentLayer(this);
1184
//                //        //                if (className.equals((FLayers.class.getName()))){
1185
//                //        //                        layer = new FLayers(getMapContext(),this);
1186
//                //                        } else {
1187
//                //        //                        Por compatibilidad
1188
//                //                                if (className.equals(FLyrVect.class.getName())) {
1189
//                //                                        if (xml.contains("file")) {
1190
//                //                                                layer = new FLayerFileVectorial();
1191
//                //                                        } else if (xml.contains("db")) {
1192
//                //                                                try {
1193
//                //                                                        layer = (FLayer)((ExtensionPoint)ExtensionPointsSingleton.getInstance().get("Layers")).create("com.iver.cit.gvsig.fmap.layers.FLayerJDBCVectorial");
1194
//                //                                                } catch (Exception e) {
1195
//                //                                                        throw new XMLException(new Exception("No se tiene registrada la capa de tipo JDBC"));
1196
//                //                                                }
1197
//                //                                                //className = FLayerJDBCVectorial.class.getName();
1198
//                //                                        } else if (xml.contains("other")){
1199
//                //                                                layer = new FLayerGenericVectorial();
1200
//                //                                        } else {
1201
//                //                                                throw new XMLException(new Exception("Capa vectorial de tipo no reconocido"));
1202
//                //                                        }
1203
//                //        //                                Fin por compatibilidad
1204
//                //                                } else {
1205
//                //                                        try {
1206
//                //                                                layer = (FLayer)(((ExtensionPoint)ExtensionPointsSingleton.getInstance().get("Layers")).create(className));
1207
//                //                                        } catch (Exception e) {
1208
//                //                                                //puende que no este registrada como punto de extension
1209
//                //                                                Class clase = Class.forName(className);
1210
//                //                                                layer = (FLayer) clase.newInstance();
1211
//                //                                                // FIXME: Hacemos algo aqui o dejamos que suba el error?
1212
//                //                                        }
1213
//                //                                }
1214
//                //
1215
//                //                        }
1216
//                //                        layer.setXMLEntity(xml);
1217
//                //                        if (name != null) layer.setName(name);
1218
//                //                        layer.load();
1219
//                //
1220
//                //                        this.addLayer(layer);
1221
//                //                        logger.debug("layer: "+ layer.getName() +" loaded");
1222
//                //                        // Comprobar que la proyecci?n es la misma que la de FMap
1223
//                //                        // Si no lo es, es una capa que est? reproyectada al vuelo
1224
//                //                        IProjection proj = layer.getProjection();
1225
//                //                        if ((proj != null))
1226
//                //                                if (proj != getMapContext().getProjection())
1227
//                //                                {
1228
//                //                                        ICoordTrans ct = proj.getCT(getMapContext().getProjection());
1229
//                //                                        // TODO: REVISAR CON LUIS
1230
//                //                                        // Se lo fijamos a todas, luego cada una que se reproyecte
1231
//                //                                        // si puede, o que no haga nada
1232
//                //                                        layer.setCoordTrans(ct);
1233
//                //
1234
//                //                                }
1235
//                //                }catch (Exception e) {
1236
//                //                        fmap.addLayerError(xml.getStringProperty("name"));
1237
//                //                        logger.debug(Messages.getString("could_not_load_layer")+": "+xml.getStringProperty("name") + ".\n"
1238
//                //                                        +Messages.getString("reason")+":", e);
1239
//                //                }
1240
//        }
1241

    
1242
        public void accept(Visitor visitor) throws BaseException {
1243
                throw new NotSupportedOperationException(visitor, this);
1244
        }
1245

    
1246
        public void accept(LayersVisitor visitor) throws BaseException {
1247
                for (int i = 0; i < this.getLayersCount(); i++) {
1248
                        FLayer layer = this.getLayer(i);
1249
                        if (layer instanceof LayersVisitable) {
1250
                                ((LayersVisitable) layer).accept(visitor);
1251
                        } else {
1252
                                visitor.visit(layer);
1253
                        }
1254
                }
1255
        }
1256

    
1257
        /*
1258
         * (non-Javadoc)
1259
         *
1260
         * @see org.gvsig.metadata.Metadata#getMetadataID()
1261
         */
1262
        public Object getMetadataID() throws MetadataException {
1263
                StringBuffer strb = new StringBuffer();
1264
                strb.append("Layers(");
1265
                strb.append(this.getName());
1266
                strb.append("):{");
1267
                Iterator iter = this.layers.iterator();
1268
                while (iter.hasNext()) {
1269
                        strb.append(((FLayer) iter.next()).getMetadataID());
1270
                        strb.append(",");
1271
                }
1272
                strb.append("}");
1273
                return strb.toString();
1274

    
1275
        }
1276

    
1277
        /*
1278
         * (non-Javadoc)
1279
         *
1280
         * @see org.gvsig.metadata.Metadata#getMetadataChildren()
1281
         */
1282
        public Set getMetadataChildren() {
1283
                Set ret = new TreeSet();
1284
                Iterator iter = this.layers.iterator();
1285
                while (iter.hasNext()) {
1286
                        ret.add(iter.next());
1287
                }
1288
                return ret;
1289
        }
1290

    
1291
        /*
1292
         * (non-Javadoc)
1293
         *
1294
         * @see org.gvsig.metadata.Metadata#getMetadataName()
1295
         */
1296
        public String getMetadataName() throws MetadataException {
1297
                StringBuffer strb = new StringBuffer();
1298
                strb.append("Layer Group '");
1299
                strb.append(this.getName());
1300
                strb.append("': {");
1301
                Iterator iter = this.layers.iterator();
1302
                while (iter.hasNext()) {
1303
                        strb.append(((FLayer) iter.next()).getMetadataName());
1304
                        strb.append(",");
1305
                }
1306
                strb.append("}");
1307
                return strb.toString();
1308
        }
1309

    
1310

    
1311
        public void beginDraw(Graphics2D g, ViewPort viewPort) {
1312
                LayerDrawEvent beforeEvent = new LayerDrawEvent(this, g, viewPort, LayerDrawEvent.LAYER_BEFORE_DRAW);
1313
                fmap.fireLayerDrawingEvent(beforeEvent);
1314
        }
1315

    
1316
        public void endDraw(Graphics2D g, ViewPort viewPort) {
1317
                LayerDrawEvent afterEvent = new LayerDrawEvent(this, g, viewPort, LayerDrawEvent.LAYER_AFTER_DRAW);
1318
                fmap.fireLayerDrawingEvent(afterEvent);
1319
        }
1320

    
1321
    public static class RegisterPersistence implements Callable {
1322

    
1323
        public Object call() {
1324
                
1325
                PersistenceManager manager = ToolsLocator.getPersistenceManager();
1326
                DynStruct definition = manager.addDefinition(
1327
                                FLayers.class,
1328
                                "FLayers",
1329
                                "FLayers Persistence definition",
1330
                                null, 
1331
                                null
1332
                );
1333
                definition.extend(PersistenceManager.PERSISTENCE_NAMESPACE, "FLyrDefault");
1334
                
1335
                definition.addDynFieldObject("mapContext").setClassOfValue(MapContext.class).setMandatory(true);
1336
                definition.addDynFieldList("layers").setClassOfItems(FLayer.class).setMandatory(true);
1337
            
1338
            return Boolean.TRUE;
1339
        }
1340
    }
1341

    
1342
        protected void doDispose() throws BaseException {
1343
                if (layers != null) {
1344
                        for (int i = 0; i < layers.size(); i++) {
1345
                                dispose((Disposable) layers.get(i));
1346
                        }
1347
                }
1348
        }
1349
        
1350
        public void move(FLayer layer, LayerCollection group, int where, FLayer adjoiningLayer) throws LayerNotFoundInCollectionException{
1351
                        
1352
                callLayerRemoving(LayerCollectionEvent.createLayerRemovingEvent(layer));
1353
                group.addLayer(layer, where, adjoiningLayer);
1354
                removeLayer(layer);
1355
                this.updateDrawVersion();
1356
                callLayerRemoved(LayerCollectionEvent.createLayerRemovedEvent(layer));
1357

    
1358
        }
1359
        
1360
        public void join(FLayer layer, LayerCollection group) {
1361
                try {
1362
                        layers.remove(layer);
1363
                        group.addLayer(layer, END, null);
1364
                        this.updateDrawVersion();
1365
                } catch (LayerNotFoundInCollectionException e){
1366
                        throw new MapContextRuntimeException(e);
1367
                }
1368
        }
1369

    
1370
        public void move(FLayer layer, LayerCollection group) {
1371
                try {
1372
                        move(layer, group, END, null);
1373
                } catch (LayerNotFoundInCollectionException e){
1374
                        throw new MapContextRuntimeException(e);
1375
                }
1376
        }
1377
        
1378
        public void addLayer(FLayer layer, int where, FLayer adjoiningLayer)
1379
        throws LayerNotFoundInCollectionException {
1380

    
1381
                switch (where) {
1382
                case BEGIN:
1383
                        addLayer(0,layer);
1384
                        break;
1385
                case BEFORE:
1386
                        if (adjoiningLayer!=null){
1387
                                if (this.layers.contains(adjoiningLayer)){
1388
                                        for(int i=0; i<this.getLayersCount(); i++){
1389
                                                if(adjoiningLayer==this.getLayer(i)){
1390
                                                        addLayer(i, layer);
1391
                                                        break;
1392
                                                }
1393
                                        }
1394
                                } else {
1395
                                        throw new LayerNotFoundInCollectionException(adjoiningLayer, this);
1396
                                }
1397
                        } else {
1398
                                addLayer(0,layer);
1399
                        }
1400
                        break;
1401
                case AFTER:
1402
                        if (adjoiningLayer!=null){
1403
                                if (this.layers.contains(adjoiningLayer)){
1404
                                        for(int i=0; i<this.getLayersCount(); i++){
1405
                                                if(adjoiningLayer==this.getLayer(i)){
1406
                                                        addLayer(i+1, layer);
1407
                                                        break;
1408
                                                }
1409
                                        }
1410
                                } else {
1411
                                        throw new LayerNotFoundInCollectionException(adjoiningLayer, this);
1412
                                }
1413
                        } else {
1414
                                this.addLayer(layer);
1415
                        }
1416
                        break;
1417
                default: // By default add layer an the end of the collection
1418
                        this.addLayer(layer);
1419
                        break;
1420
                }
1421

    
1422
        }
1423

    
1424
}