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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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 *
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 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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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 2
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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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
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 *
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 * For more information, contact:
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 *
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 *  Generalitat Valenciana
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 *   Conselleria d'Infraestructures i Transport
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 *   Av. Blasco Ib??ez, 50
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 *   46010 VALENCIA
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 *   SPAIN
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 *
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 *      +34 963862235
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 *   gvsig@gva.es
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 *      www.gvsig.gva.es
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 *
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 *    or
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 *
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 *   IVER T.I. S.A
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 *   Salamanca 50
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 *   46005 Valencia
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 *   Spain
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 *
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 *   +34 963163400
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 *   dac@iver.es
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 */
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package com.iver.cit.gvsig.fmap;
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import java.awt.Graphics2D;
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import java.awt.RenderingHints;
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import java.awt.Toolkit;
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import java.awt.geom.Point2D;
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import java.awt.geom.Rectangle2D;
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import java.awt.image.BufferedImage;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.prefs.Preferences;
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import javax.print.attribute.PrintRequestAttributeSet;
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import org.cresques.cts.ICoordTrans;
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import org.cresques.cts.IProjection;
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import org.cresques.geo.Projected;
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import com.iver.cit.gvsig.fmap.core.IGeometry;
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import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;
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import com.iver.cit.gvsig.fmap.core.v02.FConstant;
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import com.iver.cit.gvsig.fmap.layers.CancelationException;
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import com.iver.cit.gvsig.fmap.layers.FLayer;
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import com.iver.cit.gvsig.fmap.layers.FLayers;
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import com.iver.cit.gvsig.fmap.layers.GraphicLayer;
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import com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent;
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import com.iver.cit.gvsig.fmap.layers.LayerCollectionListener;
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import com.iver.cit.gvsig.fmap.layers.LayerDrawEvent;
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import com.iver.cit.gvsig.fmap.layers.LayerDrawingListener;
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import com.iver.cit.gvsig.fmap.layers.LayerPositionEvent;
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import com.iver.cit.gvsig.fmap.layers.LegendListener;
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import com.iver.cit.gvsig.fmap.layers.VectorialAdapter;
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import com.iver.cit.gvsig.fmap.layers.XMLException;
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import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData;
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import com.iver.cit.gvsig.fmap.layers.layerOperations.Classifiable;
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import com.iver.cit.gvsig.fmap.layers.layerOperations.Selectable;
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import com.iver.cit.gvsig.fmap.operations.selection.Record;
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import com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor;
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import com.iver.cit.gvsig.fmap.operations.strategies.SelectedZoomVisitor;
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import com.iver.cit.gvsig.fmap.operations.strategies.VisitException;
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import com.iver.cit.gvsig.fmap.rendering.styling.FStyle2D;
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import com.iver.utiles.XMLEntity;
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import com.iver.utiles.swing.threads.Cancellable;
84

    
85
/**
86
 * Modelo del mapa.
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 *
88
 * @author Fernando Gonz?lez Cort?s
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 */
90
public class MapContext implements Projected {
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        public static final double[] CHANGEM = { 1000, 1, 0.01, 0.001, 1609.344,
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                        0.9144, 0.3048, 0.0254 };
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        public static final double[] CHANGE = { 100000, 100, 1, 0.1, 160934.4,
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                        91.44, 30.48, 2.54 };
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        public static final int EQUALS = 0;
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        public static final int DISJOINT = 1;
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        public static final int INTERSECTS = 2;
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        public static final int TOUCHES = 3;
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        public static final int CROSSES = 4;
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        public static final int WITHIN = 5;
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        public static final int CONTAINS = 6;
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        public static final int OVERLAPS = 7;
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        protected FLayers layers;
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        private GraphicLayer tracLayer = new GraphicLayer();
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        private ViewPort viewPort;
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        // private ArrayList invalidationListeners = new ArrayList();
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        private ArrayList legendListeners = new ArrayList();
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        private ArrayList layerDrawingListeners = new ArrayList();
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        private EventBuffer eventBuffer = new EventBuffer();
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        private LayerEventListener layerEventListener = null;
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        private ArrayList layersError = new ArrayList();
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        private ArrayList errorListeners = new ArrayList();
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        // public static ResourceBundle myResourceBundle =
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        // ResourceBundle.getBundle("FMap");
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        public static double ZOOMINFACTOR=2;
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        public static double ZOOMOUTFACTOR=0.5;
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        /**
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         * Crea un nuevo FMap.
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         *
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         * @param vp
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         *            ViewPort.
141
         */
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        public MapContext(ViewPort vp) {
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                this.layers = new FLayers(this, null);
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                layerEventListener = new LayerEventListener();
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                layers.addLayerCollectionListener(layerEventListener);
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                layers.addLayerCollectionListener(eventBuffer);
148

    
149
                setViewPort(vp);
150

    
151
        }
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        public MapContext(FLayers fLayers, ViewPort vp) {
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                this.layers = fLayers;
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                layerEventListener = new LayerEventListener();
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                layers.addLayerCollectionListener(layerEventListener);
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                layers.addLayerCollectionListener(eventBuffer);
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                setViewPort(vp);
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        }
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        /**
164
         * Reports to all registered driver listener a group of driverexceptions
165
         * produced in the same fmap atomic transaction
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         * @param driverExceptions
167
         */
168
        public synchronized void reportDriverExceptions(String introductoryText,
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                                                                                                        List driverExceptions){
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                for (int i = 0; i < errorListeners.size(); i++) {
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                        ((ErrorListener) errorListeners.get(i)).
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                                reportDriverExceptions(introductoryText, driverExceptions);
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                }
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        }
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176

    
177
        /**
178
         * A?ade un LegendListener.
179
         *
180
         * @param listener
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         *            LegendListener a a?adir.
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         */
183
        public void addLayerListener(LegendListener listener) {
184
                if (!legendListeners.contains(listener))
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                        legendListeners.add(listener);
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        }
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188
        public void addLayerDrawingListener(LayerDrawingListener listener) {
189
                layerDrawingListeners.add(listener);
190
        }
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        public void removeLayerDrawListener(LayerDrawingListener listener) {
193
                layerDrawingListeners.remove(listener);
194
        }
195

    
196
        public void addErrorListener(ErrorListener listener) {
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                errorListeners.add(listener);
198
        }
199

    
200
        public void removeErrorListener(LegendListener listener) {
201
                legendListeners.remove(listener);
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        }
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204
        /**
205
         * M?todo ejecutado cuando hay un cambio de leyenda que se quiera reflejar.
206
         *
207
         * @param e
208
         *            LegendChangedEvent.
209
         */
210
        public synchronized void callLegendChanged() {
211
                for (int i = 0; i < legendListeners.size(); i++) {
212
                        ((LegendListener) legendListeners.get(i)).legendChanged(null);
213
                }
214
                // getLayers().moveTo(0,0);
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        }
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217
        public synchronized void fireLayerDrawingEvent(LayerDrawEvent e) {
218
                for (int i = 0; i < layerDrawingListeners.size(); i++)
219
                {
220
                        LayerDrawingListener listener = (LayerDrawingListener) layerDrawingListeners.get(i);
221
                        switch (e.getEventType())
222
                        {
223
                                case LayerDrawEvent.LAYER_BEFORE_DRAW:
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                                        listener.beforeLayerDraw(e);
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                                        break;
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                                case LayerDrawEvent.LAYER_AFTER_DRAW:
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                                        listener.afterLayerDraw(e);
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                                        break;
229
                                case LayerDrawEvent.GRAPHICLAYER_BEFORE_DRAW:
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                                        listener.beforeGraphicLayerDraw(e);
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                                        break;
232
                                case LayerDrawEvent.GRAPHICLAYER_AFTER_DRAW:
233
                                        listener.afterLayerGraphicDraw(e);
234
                                        break;
235
                        }
236
                }
237
                // getLayers().moveTo(0,0);
238
        }
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240
        public synchronized void callNewErrorEvent(ErrorEvent e) {
241
                for (int i = 0; i < errorListeners.size(); i++) {
242
                        ((ErrorListener) errorListeners.get(i)).errorThrown(e);
243
                }
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                // getLayers().moveTo(0,0);
245
        }
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247
        /**
248
         * Borra un LegendListener.
249
         *
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         * @param listener
251
         *            LegendListener a borrar.
252
         */
253
        public void removeLayerListener(LegendListener listener) {
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                legendListeners.remove(listener);
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        }
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        /**
258
         * Devuelve las capas que contiene el mapa.
259
         *
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         * @return Capas.
261
         */
262
        public FLayers getLayers() {
263
                return layers;
264
        }
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        /**
267
         * Dibuja en la imagen que se pasa como par?metro el contenido de las capas
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         * visibles del mapa y teniendo en cuenta los datos del ViewPort contenido
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         * en este FMap
270
         *
271
         * @param b
272
         *            Imagen.
273
         */
274
        public void drawLabels(BufferedImage b) {
275
        }
276

    
277
        /**
278
         * M?todo de conveniencia que se usa provisionalmente para solicitar un
279
         * refresco de todo lo que dependa del FMap (MapContext). Esto provocar? un
280
         * evento de cambio de orden de capas que obligar? a redibujar todo lo que
281
         * depende de FMap (TOC, MapControl, FFrameView, etc).
282
         */
283
        public void invalidate() {
284
                getLayers().moveTo(0, 0);
285
        }
286

    
287
        /**
288
         * Imprime el las capas que contiene el FMap sobre el Graphics2D que se pasa
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         * como par?metro, normalmente es el Graphics de la impresora.
290
         *
291
         * @param g
292
         *            Graphics2D
293
         *
294
         * @throws DriverException
295
         */
296
        public void print(Graphics2D g, double scale, PrintRequestAttributeSet properties) throws DriverException {
297
                RenderingHints renderHints = new RenderingHints(
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                                RenderingHints.KEY_ANTIALIASING,
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                                RenderingHints.VALUE_ANTIALIAS_ON);
300
                renderHints.put(RenderingHints.KEY_RENDERING,
301
                                RenderingHints.VALUE_RENDER_QUALITY);
302
                g.setRenderingHints(renderHints);
303

    
304
                Cancellable cancel = new Cancellable() {
305
                        public boolean isCanceled() {
306
                                return false;
307
                        }
308

    
309
                        public void setCanceled(boolean canceled) {
310
                                // No queremos que se pueda cancelar la impresi?n.
311

    
312
                        }
313
                };
314
                layers.print(g, viewPort, cancel, scale, properties);
315
                tracLayer.draw(null, g, viewPort, cancel, scale);
316
        }
317

    
318
        /**
319
         * Crea un nuevo FMap con la informaci?n del ViewPort que se pasa como
320
         * par?metro.
321
         *
322
         * @param vp
323
         *            ViewPort.
324
         *
325
         * @return FMap nuevo.
326
         */
327
        public MapContext createNewFMap(ViewPort vp) {
328
                MapContext ret = new MapContext(vp);
329
                ret.layers = this.layers;
330

    
331
                return ret;
332
        }
333

    
334
        /**
335
         * Crea un nuevo FMap totalmente desligado, se replican las capas y el
336
         * ViewPort
337
         *
338
         * @return FMap clonado.
339
         *
340
         * @throws XMLException
341
         */
342
        public MapContext cloneFMap() throws XMLException {
343
                return createFromXML(getXMLEntity());
344
        }
345
        public MapContext cloneToDraw() {
346
                ViewPort vp = getViewPort().cloneViewPort();
347
                MapContext mapContext=new MapContext(getLayers(),vp);
348
                return mapContext;
349
        }
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351
        /**
352
         * A?ade la capa que se pasa como par?metro al nodo que se pasa como
353
         * parametro y lanza ProjectionMismatchException si no est?n todas las capas
354
         * de este FMap en la misma proyecci?n. Lanza un ChildNotAllowedException si
355
         * la capa no es un FLayers y no permite hijos
356
         *
357
         * @param vectorial
358
         *            DOCUMENT ME!
359
         */
360

    
361
        /*
362
         * public void addLayer(LayerPath parent, FLayer layer) throws
363
         * ProjectionMismatchException, ChildrenNotAllowedException {
364
         * layers.addLayer(parent, layer); } public void removeLayer(LayerPath
365
         * parent)throws ChildrenNotAllowedException{ layers.removeLayer(parent); }
366
         */
367

    
368
        /**
369
         * A?ade una capa al grupo de capas que se sit?a por encima de todas las
370
         * otras capas
371
         *
372
         * @param vectorial
373
         *            FLayer.
374
         */
375
        public void addToTrackLayer(FLayer vectorial) {
376
        }
377

    
378
        /**
379
         * Devuelve la escala de la vista en pantalla.
380
         *
381
         * @return escala de la vista.
382
         */
383
        public long getScaleView() {
384
                Preferences prefsResolution = Preferences.userRoot().node( "gvsig.configuration.screen" );
385
                Toolkit kit = Toolkit.getDefaultToolkit();
386
                double dpi = prefsResolution.getInt("dpi",kit.getScreenResolution());
387
                IProjection proj = viewPort.getProjection();
388

    
389
                if (viewPort.getImageSize() == null)
390
                        return -1;
391

    
392
                if (viewPort.getAdjustedExtent() == null) {
393
                        return 0;
394
                }
395

    
396
                if (proj == null) {
397
                        double w = ((viewPort.getImageSize().getWidth() / dpi) * 2.54);
398
                        return (long) (viewPort.getAdjustedExtent().getWidth() / w * CHANGE[getViewPort()
399
                                        .getMapUnits()]);
400
                }
401

    
402
                return Math.round(proj.getScale(viewPort.getAdjustedExtent().getMinX(),
403
                                viewPort.getAdjustedExtent().getMaxX(), viewPort.getImageSize()
404
                                                .getWidth(), dpi));
405
        }
406
        /**
407
         * Introduce un nuevo extent en la vista a partir de la escala que se pasa como par?metro.
408
         *
409
         * @return escala de la vista.
410
         */
411
        public void setScaleView(long scale) {
412
                Preferences prefsResolution = Preferences.userRoot().node( "gvsig.configuration.screen" );
413
                Toolkit kit = Toolkit.getDefaultToolkit();
414
                double dpi = prefsResolution.getInt("dpi",kit.getScreenResolution());
415
                if (viewPort.getImageSize() == null)
416
                        return;
417
                IProjection proj = viewPort.getProjection();
418
                if (viewPort.getAdjustedExtent() == null) {
419
                        return;
420
                }
421
                Rectangle2D rec=proj.getExtent(viewPort.getExtent(),scale,viewPort.getImageWidth(),viewPort.getImageHeight(),CHANGE[getViewPort().getMapUnits()],dpi);
422
                getViewPort().setExtent(rec);
423
        }
424
        /**
425
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#setVectorial(com.iver.cit.gvsig.fmap.VectorialAdapter)
426
         */
427
        public void setVectorial(VectorialAdapter v) {
428
        }
429

    
430
        /**
431
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#process(com.iver.cit.gvsig.fmap.FeatureSelectorVisitor)
432
         */
433
        public void process(FeatureVisitor visitor) {
434
        }
435

    
436
        /**
437
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#processSelected(com.iver.cit.gvsig.fmap.FeatureVisitor)
438
         */
439
        public void processSelected(FeatureVisitor visitor) {
440
        }
441

    
442
        /**
443
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#select(com.iver.cit.gvsig.fmap.FeatureSelectorVisitor,
444
         *      VectorialSubSet)
445
         */
446
        public void select(FeatureVisitor visitor) {
447
        }
448

    
449
        /**
450
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#selectFromSelection()
451
         */
452
        public void selectFromSelection() {
453
        }
454

    
455
        /**
456
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#createIndex()
457
         */
458
        public void createIndex() {
459
        }
460

    
461
        /**
462
         * @see org.cresques.geo.Projected#getProjection()
463
         */
464
        public IProjection getProjection() {
465
                return getViewPort().getProjection();
466
        }
467

    
468
        /**
469
         * Inserta la proyecci?n.
470
         *
471
         * @param proj
472
         *            Proyecci?n.
473
         */
474
        public void setProjection(IProjection proj) {
475
                if (getViewPort() != null) {
476
                        getViewPort().setProjection(proj);
477
                }
478
        }
479

    
480
        /**
481
         * @see org.cresques.geo.Projected#reProject(org.cresques.cts.ICoordTrans)
482
         */
483
        public void reProject(ICoordTrans arg0) {
484
                // TODO implementar reprojecci?n (lo que sea eso)
485
        }
486

    
487
        /**
488
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#selectByPoint(java.awt.geom.Point2D,
489
         *      double)
490
         */
491
        /*
492
         * public void selectByPoint(Point2D p, double tolerance) throws
493
         * DriverException { Point2D mapPoint = viewPort.toMapPoint((int) p.getX(),
494
         * (int) p.getY()); SelectByPointVisitor visitor = new
495
         * SelectByPointVisitor(); visitor.setQueriedPoint(mapPoint);
496
         * visitor.setTolerance(getViewPort().toMapDistance(3));
497
         *
498
         * try { layers.process(visitor); } catch (VisitException e) { throw new
499
         * RuntimeException("No se espera que SelectByPointVisitor lance esta
500
         * excepci?n", e); } }
501
         */
502

    
503
        /**
504
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#selectByRect(java.awt.geom.Rectangle2D)
505
         */
506
        /*
507
         * public void selectByRect(Rectangle2D rect) throws DriverException {
508
         * FLayer[] actives = layers.getActives(); for (int i=0; i < actives.length;
509
         * i++) { if (actives[i] instanceof FLyrVect) { FLyrVect lyrVect =
510
         * (FLyrVect) actives[i]; FBitSet oldBitSet = lyrVect.getSelection();
511
         * FBitSet newBitSet = lyrVect.queryByRect(rect); newBitSet.xor(oldBitSet);
512
         * lyrVect.setSelection(newBitSet); } }
513
         *  }
514
         */
515

    
516
        /**
517
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#selectByShape(com.iver.cit.gvsig.fmap.fshape.IGeometry,
518
         *      int)
519
         */
520
        public void selectByShape(IGeometry g, int relationship) {
521
        }
522

    
523
        /**
524
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByPoint(Point2D,
525
         *      double)
526
         */
527
        public Record[] queryByPoint(Point2D p, double tolerance) {
528
                return null;
529
        }
530

    
531
        /**
532
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByRect(java.awt.geom.Rectangle2D)
533
         */
534
        public Record[] queryByRect(Rectangle2D rect) {
535
                return null;
536
        }
537

    
538
        /**
539
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByShape(com.iver.cit.gvsig.fmap.fshape.IGeometry,
540
         *      int)
541
         */
542
        public Record[] queryByShape(IGeometry g, int relationship) {
543
                return null;
544
        }
545

    
546
        /**
547
         * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#getSelectionBounds()
548
         */
549
        public Rectangle2D getSelectionBounds() {
550
                SelectedZoomVisitor visitor = new SelectedZoomVisitor();
551

    
552
                try {
553
                        layers.process(visitor);
554
                } catch (DriverException e1) {
555
                        throw new RuntimeException(
556
                                        "No se espera que SelectByPointVisitor lance esta excepci?n",
557
                                        e1);
558
                } catch (VisitException e) {
559
                        throw new RuntimeException(
560
                                        "No se espera que SelectByPointVisitor lance esta excepci?n",
561
                                        e);
562
                }
563

    
564
                return visitor.getSelectBound();
565
        }
566

    
567
        /**
568
         * @see com.iver.cit.gvsig.fmap.operations.LayerOperations#draw(java.awt.image.BufferedImage,
569
         *      java.awt.Graphics2D, ISymbol)
570
         */
571
        public void draw(BufferedImage image, Graphics2D g, Cancellable cancel,
572
                        double scale) throws DriverException {
573
                if (viewPort.getExtent() == null) {
574
                        // System.err.println("viewPort.getExtent() = null");
575
                        return;
576
                }
577
                System.out.println("Viewport despues: " + viewPort.toString());
578
                /*
579
                 * if ((viewPort.getImageWidth() <=0) || (viewPort.getImageHeight() <=
580
                 * 0)) { return; }
581
                 */
582

    
583
                prepareDrawing(image, g, scale);
584

    
585
                // M?s c?lidad al texto
586
                RenderingHints renderHints = new RenderingHints(
587
                                RenderingHints.KEY_ANTIALIASING,
588
                                RenderingHints.VALUE_ANTIALIAS_ON);
589
                renderHints.put(RenderingHints.KEY_RENDERING,
590
                                RenderingHints.VALUE_RENDER_QUALITY);
591
                renderHints.put(RenderingHints.KEY_TEXT_ANTIALIASING,
592
                                RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
593
                g.setRenderingHints(renderHints);
594

    
595
                long t1 = System.currentTimeMillis();
596
                layers.draw(image, g, viewPort, cancel, scale);
597

    
598
                LayerDrawEvent beforeTracLayerEvent = new LayerDrawEvent(tracLayer,
599
                                g, viewPort, LayerDrawEvent.GRAPHICLAYER_BEFORE_DRAW);
600
                fireLayerDrawingEvent(beforeTracLayerEvent);
601
                tracLayer.draw(image, g, viewPort, cancel, scale);
602
                LayerDrawEvent afterTracLayerEvent = new LayerDrawEvent(tracLayer,
603
                                g, viewPort, LayerDrawEvent.GRAPHICLAYER_AFTER_DRAW);
604
                fireLayerDrawingEvent(afterTracLayerEvent);
605

    
606
                layers.setDirty(false);
607
                long t2 = System.currentTimeMillis();
608
                System.err.println("Tiempo de dibujado:" + (t2 - t1) +
609
                                " mseg. Memoria libre:" + Runtime.getRuntime().freeMemory() / 1024  + " KB");
610
                /*
611
                 * g.setColor(Color.BLUE); GeneralPath shpR = new
612
                 * GeneralPath(viewPort.getExtent());
613
                 * shpR.transform(viewPort.getAffineTransform()); g.draw(shpR);
614
                 */
615
                System.gc();
616
        }
617

    
618
        /**
619
         * En esta funci?n vamos a revisar las capas que necesitan repintarse,
620
         * por si hay alguna que se haya guardado la imagen de las anteriores
621
         * y puede acelerar el dibujado.
622
         * @param image
623
         * @param g
624
         * @param scale
625
         */
626
        private void prepareDrawing(BufferedImage image, Graphics2D g, double scale) {
627

    
628
                // Primera pasada: si alguna capa necesita repintarse por debajo
629
                // de la que tiene la cache, TODAS necesitan
630
                // ser repintadas.
631
                boolean bNeedRepaint = false;
632
                boolean bMayExistAceleration = false;
633
                for (int i = 0; i < layers.getLayersCount(); i++)
634
                {
635
                        FLayer lyr = layers.getLayer(i);
636
                        if (lyr.isCachingDrawnLayers() && (lyr.getCacheImageDrawnLayers() != null))
637
                        {
638
                                bMayExistAceleration = true;
639
                        }
640
                        else
641
                        {
642
                                if (lyr.isDirty())
643
                                        bNeedRepaint = true;
644
                        }
645
                }
646
                if (bMayExistAceleration==false)
647
                        bNeedRepaint = true;
648
                if (bNeedRepaint)
649
                        layers.setDirty(true);
650
                else
651
                        recursivePrepareDrawing(layers, 0);
652
        }
653

    
654
        private void validatePreviousLayers(FLayers layers, int index)
655
        {
656
                // TODO: Aqu? quiz?s habr?a que explorar los padres de las capas
657
                // para marcar y/o asignar la imagen cacheada.
658
                for (int i = 0; i < index; i++)
659
                {
660
                        FLayer lyr = layers.getLayer(i);
661
                        lyr.setDirty(false);
662
                }
663
                // Las de arriba las marcamos como sucias
664
//                for (int i = index; i < layers.getLayersCount(); i++)
665
//                {
666
//                        FLayer lyr = layers.getLayer(i);
667
//                        lyr.setDirty(true);
668
//                }
669
        }
670

    
671
        private void recursivePrepareDrawing(FLayers parent, int indexInParent)
672
        {
673
                for (int i = indexInParent; i < parent.getLayersCount(); i++)
674
                {
675
                        FLayer lyr = layers.getLayer(i);
676
                        if (lyr.isCachingDrawnLayers() && (lyr.getCacheImageDrawnLayers() != null))
677
                        {
678
                                // les decimos a las anteriores que est?n validadas (not dirty)
679
                                // para que no se dibujen.
680
                                if (lyr.isDirty())
681
                                        validatePreviousLayers(parent, i);
682
                        }
683

    
684
                        if (lyr instanceof FLayers)
685
                        {
686
                                recursivePrepareDrawing((FLayers)lyr, 0);
687
                        }
688
                }
689

    
690
        }
691

    
692
        public void drawGraphics(BufferedImage image, Graphics2D g,
693
                        Cancellable cancel, double scale) throws DriverException {
694
                if (viewPort == null)
695
                        return;
696
                tracLayer.draw(image, g, viewPort, cancel, scale);
697
        }
698

    
699
        /**
700
         * @see com.iver.cit.gvsig.fmap.operations.LayerOperations#draw(java.awt.image.BufferedImage,
701
         *      java.awt.Graphics2D, ISymbol)
702
         */
703
        public void draw(BufferedImage image, Graphics2D g, double scale)
704
                        throws DriverException {
705
                layers.setDirty(true);
706
                draw(image, g, new Cancellable() {
707
                        /**
708
                         * @see com.iver.utiles.swing.threads.Cancellable#isCanceled()
709
                         */
710
                        public boolean isCanceled() {
711
                                return false;
712
                        }
713

    
714
                        public void setCanceled(boolean canceled) {
715
                                // TODO Auto-generated method stub
716

    
717
                        }
718
                }, scale);
719
        }
720

    
721
        /**
722
         * Devuelve el ViewPort.
723
         *
724
         * @return Returns the viewPort.
725
         */
726
        public ViewPort getViewPort() {
727
                return viewPort;
728
        }
729

    
730
        /**
731
         * Inserta un ViewPort.
732
         *
733
         * @param viewPort
734
         *            The viewPort to set.
735
         */
736
        public void setViewPort(ViewPort viewPort) {
737
                if (this.viewPort != null) {
738
                        this.viewPort.removeViewPortListener(eventBuffer);
739
                }
740

    
741
                this.viewPort = viewPort;
742
                if (viewPort != null)
743
                        viewPort.addViewPortListener(eventBuffer);
744
        }
745

    
746
        /**
747
         * Sets the given zoom extent to the viewport.
748
         *
749
         * @param extent
750
         *            The extent to zoom to.
751
         */
752
        public void zoomToExtent(Rectangle2D extent) {
753
            getViewPort().setExtent(extent);
754
        }
755

    
756
        /**
757
         * M?todo de conveniencia. Recorre las capas y te da el fullExtent
758
         *
759
         * @return fullExtent de todas las capas.
760
         *
761
         * @throws DriverException
762
         */
763
        public Rectangle2D getFullExtent() throws DriverException {
764
                return layers.getFullExtent();
765
        }
766

    
767
        /**
768
         * Devuelve el XMLEntity.
769
         *
770
         * @return XMLEntity.
771
         * @throws XMLException
772
         */
773
        public XMLEntity getXMLEntity() throws XMLException {
774
                XMLEntity xml = new XMLEntity();
775
                xml.putProperty("className", this.getClass().getName());
776
                xml.addChild(viewPort.getXMLEntity());
777
                xml.addChild(layers.getXMLEntity());
778

    
779
                return xml;
780
        }
781

    
782
        /**
783
         * Crea un nuevo FMAp a partir del XMLEntity.
784
         *
785
         * @param xml
786
         *            XMLEntity
787
         *
788
         * @return Nuevo FMap.
789
         *
790
         * @throws XMLException
791
         */
792
        public static MapContext createFromXML03(XMLEntity xml) throws XMLException {
793
                ViewPort vp = ViewPort.createFromXML03(xml.getChild(0));
794
                MapContext fmap = new MapContext(vp);
795
                fmap.layers.setXMLEntity03(xml.getChild(1));
796

    
797
                return fmap;
798
        }
799

    
800
        /**
801
         * Crea un nuevo FMAp a partir del XMLEntity.
802
         *
803
         * @param xml
804
         *            XMLEntity
805
         *
806
         * @return Nuevo FMap.
807
         *
808
         * @throws XMLException
809
         */
810
        public static MapContext createFromXML(XMLEntity xml) throws XMLException {
811
                ViewPort vp = ViewPort.createFromXML(xml.getChild(0));
812
                MapContext fmap = new MapContext(vp);
813
                fmap.layers.setXMLEntity(xml.getChild(1));
814

    
815
                return fmap;
816
        }
817

    
818
        /**
819
         * A?ade un AtomicEventListener.
820
         *
821
         * @param listener
822
         *            AtomicEventListener.
823
         *
824
         * @return True si se ha a?adido correctamente.
825
         */
826
        public boolean addAtomicEventListener(AtomicEventListener listener) {
827
                return eventBuffer.addAtomicEventListener(listener);
828
        }
829

    
830
        /**
831
         * Borra un AtomicEventListener de la lista de listeners.
832
         *
833
         * @param listener
834
         *            AtomicEventListener a borrar.
835
         *
836
         * @return True si se ha borrado correctamente.
837
         */
838
        public boolean removeAtomicEventListener(AtomicEventListener listener) {
839
                return eventBuffer.removeAtomicEventListener(listener);
840
        }
841

    
842
        /**
843
         * Inicializa los AtomicEvent.
844
         */
845
        public void beginAtomicEvent() {
846
                eventBuffer.beginAtomicEvent();
847
        }
848

    
849
        /**
850
         * Finaliza los AtomicEvent.
851
         */
852
        public void endAtomicEvent() {
853
                eventBuffer.endAtomicEvent();
854
        }
855

    
856
        /**
857
         * Evento Layer.
858
         *
859
         * @author Fernando Gonz?lez Cort?s
860
         */
861
        public class LayerEventListener implements LayerCollectionListener {
862
                /**
863
                 * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerAdded(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
864
                 */
865
                public void layerAdded(LayerCollectionEvent e) {
866
                        // Si es la primera capa, fijamos su extent al ViewPort
867
                        // if (getLayers().getLayersCount() == 1) {
868
                        if (getViewPort().getExtent() == null) {
869
                                FLayer lyr = e.getAffectedLayer();
870

    
871
                                try {
872
                                        getViewPort().setExtent(lyr.getFullExtent());
873
                                } catch (DriverException e1) {
874
                                }
875
                        }
876

    
877
                        // Registramos al FMap como listener del legend de las capas
878
                        FLayer lyr = e.getAffectedLayer();
879
                        selectionListener(lyr);
880
                }
881
                private void selectionListener(FLayer lyr){
882
                        lyr.addLayerListener(eventBuffer);
883

    
884
                        if (lyr instanceof Classifiable) {
885
                                Classifiable c = (Classifiable) lyr;
886
                                c.addLegendListener(eventBuffer);
887
                        }
888

    
889
                        if (lyr instanceof AlphanumericData) {
890
                                Selectable s=null;
891
                                try {
892
                                        s = ((AlphanumericData) lyr).getRecordset();
893
                                        if (s!=null) {
894
                                                s.addSelectionListener(eventBuffer);
895
                                        }
896
                                } catch (DriverException e1) {
897
                                        // TODO Auto-generated catch block
898
                                        e1.printStackTrace();
899
                                }
900

    
901
                        }
902
                        if (lyr instanceof FLayers){
903
                                FLayers lyrs=(FLayers)lyr;
904
                                for(int i=0;i<lyrs.getLayersCount();i++){
905
                                        selectionListener(lyrs.getLayer(i));
906
                                }
907
                        }
908

    
909
                }
910
                /**
911
                 * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerMoved(com.iver.cit.gvsig.fmap.layers.LayerPositionEvent)
912
                 */
913
                public void layerMoved(LayerPositionEvent e) {
914
                }
915

    
916
                /**
917
                 * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerRemoved(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
918
                 */
919
                public void layerRemoved(LayerCollectionEvent e) {
920
                        FLayer lyr = e.getAffectedLayer();
921

    
922
                        lyr.removeLayerListener(eventBuffer);
923

    
924
                        if (lyr instanceof Classifiable) {
925
                                Classifiable c = (Classifiable) lyr;
926
                                c.removeLegendListener(eventBuffer);
927
                        }
928

    
929
                        if (lyr instanceof Selectable) {
930
                                Selectable s = (Selectable) lyr;
931
                                s.addSelectionListener(eventBuffer);
932
                        }
933
                }
934

    
935
                /**
936
                 * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerAdding(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
937
                 */
938
                public void layerAdding(LayerCollectionEvent e)
939
                                throws CancelationException {
940
                }
941

    
942
                /**
943
                 * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerMoving(com.iver.cit.gvsig.fmap.layers.LayerPositionEvent)
944
                 */
945
                public void layerMoving(LayerPositionEvent e)
946
                                throws CancelationException {
947
                }
948

    
949
                /**
950
                 * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#layerRemoving(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
951
                 */
952
                public void layerRemoving(LayerCollectionEvent e)
953
                                throws CancelationException {
954
                }
955

    
956

    
957
                /**
958
                 * @see com.iver.cit.gvsig.fmap.layers.LayerCollectionListener#visibilityChanged(com.iver.cit.gvsig.fmap.layers.LayerCollectionEvent)
959
                 */
960
                public void visibilityChanged(LayerCollectionEvent e)
961
                                throws CancelationException {
962
                }
963
        }
964

    
965
        public void addAsCollectionListener(FLayers layers2) {
966
                layers2.addLayerCollectionListener(layerEventListener);
967
        }
968

    
969
        public GraphicLayer getGraphicsLayer() {
970
                return tracLayer;
971
        }
972

    
973
        /**
974
         * Asigna la capa gr?fica
975
         * @param graphicLayer
976
         */
977
        public void setGraphicsLayer(GraphicLayer graphicLayer) {
978
                tracLayer = graphicLayer;
979
        }
980

    
981
        public boolean equals(Object arg0) {
982
                MapContext map = (MapContext) arg0;
983
                if (super.equals(arg0))
984
                        return true;
985
                if (getLayers() == map.getLayers())
986
                        return true;
987
                boolean isEqual = true;
988
                if (map.getLayers().getLayersCount() == getLayers().getLayersCount()) {
989
                        for (int i = 0; i < getLayers().getLayersCount(); i++) {
990

    
991
                                if (!getLayers().getLayer(i).getName().equals(
992
                                                map.getLayers().getLayer(i).getName())) {
993
                                        isEqual = false;
994
                                }
995

    
996
                        }
997
                } else {
998
                        isEqual = false;
999
                }
1000
                return isEqual;
1001
        }
1002

    
1003
        public void addLayerError(String stringProperty) {
1004
                layersError.add(stringProperty);
1005
        }
1006

    
1007
        public ArrayList getLayersError() {
1008
                return layersError;
1009
        }
1010

    
1011
        public void clearErrors() {
1012
                layersError.clear();
1013
        }
1014

    
1015
        public void clearAllCachingImageDrawnLayers() {
1016
                clearCachingImageDrawnLayers(this.layers);
1017
}
1018
        private void clearCachingImageDrawnLayers(FLayers layers){
1019
                int i;
1020
                FLayer layer;
1021
                for (i=0;i< layers.getLayersCount();i++){
1022
                        layer = layers.getLayer(i);
1023
                        if (layer instanceof FLayers) {
1024
                                clearCachingImageDrawnLayers((FLayers)layer);
1025
                        } else {
1026
                                layer.setCacheImageDrawnLayers(null);
1027
                        }
1028
                }
1029
        }
1030

    
1031
        public void redraw() {
1032
                // truco
1033
                if (getLayers().getLayersCount() > 0)
1034
                        getLayers().moveTo(0,0);
1035

    
1036
        }
1037

    
1038
}