Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.fmap.layers;

import java.awt.Graphics2D;

import java.awt.Point;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.IOException;

import org.apache.log4j.Logger;

import org.cresques.cts.ICoordTrans;

import com.hardcode.driverManager.DriverLoadException;

import com.hardcode.gdbms.engine.data.DataSourceFactory;

import com.hardcode.gdbms.engine.data.NoSuchTableException;

import com.hardcode.gdbms.engine.instruction.FieldNotFoundException;

import com.iver.cit.gvsig.fmap.DriverException;

import com.iver.cit.gvsig.fmap.ViewPort;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.core.v02.FSymbol;

import com.iver.cit.gvsig.fmap.drivers.BoundedShapes;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.drivers.VectorialDatabaseDriver;

import com.iver.cit.gvsig.fmap.drivers.VectorialDriver;

import com.iver.cit.gvsig.fmap.drivers.shp.IndexedShpDriver;

import com.iver.cit.gvsig.fmap.edition.AnnotationEditableAdapter;

import com.iver.cit.gvsig.fmap.edition.EditionEvent;

import com.iver.cit.gvsig.fmap.edition.EditionException;

import com.iver.cit.gvsig.fmap.edition.VectorialEditableAdapter;

import com.iver.cit.gvsig.fmap.edition.VectorialEditableDBAdapter;

import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData;

import com.iver.cit.gvsig.fmap.layers.layerOperations.ClassifiableVectorial;

import com.iver.cit.gvsig.fmap.layers.layerOperations.InfoByPoint;

import com.iver.cit.gvsig.fmap.layers.layerOperations.Labelable;

import com.iver.cit.gvsig.fmap.layers.layerOperations.RandomVectorialData;

import com.iver.cit.gvsig.fmap.layers.layerOperations.Selectable;

import com.iver.cit.gvsig.fmap.layers.layerOperations.SingleLayer;

import com.iver.cit.gvsig.fmap.layers.layerOperations.VectorialData;

import com.iver.cit.gvsig.fmap.layers.layerOperations.VectorialXMLItem;

import com.iver.cit.gvsig.fmap.layers.layerOperations.XMLItem;

import com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor;

import com.iver.cit.gvsig.fmap.operations.strategies.Strategy;

import com.iver.cit.gvsig.fmap.operations.strategies.StrategyManager;

import com.iver.cit.gvsig.fmap.operations.strategies.VisitException;

import com.iver.cit.gvsig.fmap.rendering.Legend;

import com.iver.cit.gvsig.fmap.rendering.LegendChangedEvent;

import com.iver.cit.gvsig.fmap.rendering.LegendFactory;

import com.iver.cit.gvsig.fmap.rendering.SingleSymbolLegend;

import com.iver.cit.gvsig.fmap.rendering.VectorialLegend;

import com.iver.cit.gvsig.fmap.spatialindex.IPersistentSpatialIndex;

import com.iver.cit.gvsig.fmap.spatialindex.ISpatialIndex;

import com.iver.cit.gvsig.fmap.spatialindex.QuadtreeGt2;

import com.iver.cit.gvsig.fmap.spatialindex.QuadtreeJts;

import com.iver.cit.gvsig.fmap.spatialindex.RTreeJsi;

import com.iver.cit.gvsig.fmap.spatialindex.RTreeSptLib;

import com.iver.cit.gvsig.fmap.spatialindex.SpatialIndexException;

import com.iver.utiles.FileUtils;

import com.iver.utiles.IPersistance;

import com.iver.utiles.PostProcessSupport;

import com.iver.utiles.XMLEntity;

import com.iver.utiles.swing.threads.Cancellable;

import com.iver.utiles.swing.threads.CancellableMonitorable;

/**

 * Capa b?sica Vectorial.

 *

 * @author Fernando Gonz?lez Cort?s

 */

// TODO Cuando no sea para pruebas debe no ser public

public class FLyrVect extends FLyrDefault implements Labelable,

                ClassifiableVectorial, SingleLayer, VectorialData, RandomVectorialData,

                AlphanumericData, InfoByPoint {

        private static Logger logger = Logger.getLogger(FLyrVect.class.getName());

        /** Leyenda de la capa vectorial */

        private VectorialLegend legend;

        private int typeShape = -1;

        private LayerChangeSupport layerChangeSupport = new LayerChangeSupport();

        private ReadableVectorial source;

        private SelectableDataSource sds;

        private SelectionSupport selectionSupport = new SelectionSupport();

        private SpatialCache spatialCache = null;

        private boolean spatialCacheEnabled = false;

        // protected SpatialIndex spatialIndex = null;

        /**

         * An implementation of gvSIG spatial index

         */

        protected ISpatialIndex spatialIndex = null;

        private boolean bHasJoin = false;

        /**

         * A?ade un SelectionListener a la lista de listeners.

         *

         * @param listener

         *            SelectionListener.

         */

        /*

         * public void addSelectionListener(SelectionListener listener) { try {

         * getRecordset().addSelectionListener(listener); } catch (DriverException

         * e) { // TODO Auto-generated catch block e.printStackTrace(); } }

         */

        /**

         * Borra un selectionListener de la lista de listeners.

         *

         * @param listener

         *            SelectionListener

         */

        /*

         * public void removeSelectionListener(SelectionListener listener) { try {

         * getRecordset().removeSelectionListener(listener); } catch

         * (DriverException e) { // TODO Auto-generated catch block

         * e.printStackTrace(); } }

         */

        /**

         * Cuando ocurre un evento de cambio en la selecci?n, ?ste puede ser uno de

         * una gran cantidad de eventos. Con el fin de no propagar todos estos

         * eventos, se realiza la propagaci?n de manera manual al final de la

         * "r?faga" de eventos

         */

        /*

         * public void fireSelectionEvents() { try {

         * getRecordset().fireSelectionEvents(); } catch (DriverException e) { //

         * TODO Auto-generated catch block e.printStackTrace(); } }

         */

        /**

         * Devuelve el VectorialAdapater de la capa.

         *

         * @return VectorialAdapter.

         */

        public ReadableVectorial getSource() {

                return source;

        }

        /**

         * If we use a persistent spatial index associated with this layer, and the

         * index is not intrisic to the layer (for example spatial databases) this

         * method looks for existent spatial index, and loads it.

         *

         */

        private void loadSpatialIndex() {

                //FIXME: Al abrir el indice en fichero...

                //?C?mo lo liberamos? un metodo Layer.shutdown()

                ReadableVectorial source = getSource();

                //REVISAR QUE PASA CON LOS DRIVERS DXF, DGN, etc.

                //PUES SON VECTORIALFILEADAPTER

                if (!(source instanceof VectorialFileAdapter)) {

                        // we are not interested in db adapters

                        return;

                }

                VectorialDriver driver = source.getDriver();

                if (!(driver instanceof BoundedShapes)) {

                        // we dont spatially index layers that are not bounded

                        return;

                }

                File file = ((VectorialFileAdapter) source).getFile();

                String fileName = file.getAbsolutePath();

                File sptFile = new File(fileName + ".qix");

                if (!sptFile.exists() || (!(sptFile.length() > 0))) {

                        // before to exit, look for it in temp path

                        String tempPath = System.getProperty("java.io.tmpdir");

                        fileName = tempPath + File.separator + sptFile.getName();

                        sptFile = new File(fileName);

                        // it doesnt exists, must to create

                        if (!sptFile.exists() || (!(sptFile.length() > 0))) {

                                return;

                        }// if

                }// if

                try {

                        source.start();

                        spatialIndex = new QuadtreeGt2(FileUtils.getFileWithoutExtension(sptFile),

                                        "NM", source.getFullExtent(), source.getShapeCount(), false);

                } catch (SpatialIndexException e) {

                        spatialIndex = null;

                        e.printStackTrace();

                        return;

                } catch (DriverIOException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

        }

        /**

         * Checks if it has associated an external spatial index

         * (an spatial index file).

         *

         * It looks for it in main file path, or in temp system path.

         * If main file is rivers.shp, it looks for a file called

         * rivers.shp.qix.

         * @return

         */

        public boolean isExternallySpatiallyIndexed() {

                /*

                 * FIXME (AZABALA): Independizar del tipo de fichero de ?ndice

                  * con el que se trabaje (ahora mismo considera la extension .qix,

             * pero esto depender? del tipo de ?ndice)

                 * */

                ReadableVectorial source = getSource();

                if (!(source instanceof VectorialFileAdapter)) {

                        // we are not interested in db adapters.

                        // think in non spatial dbs, like HSQLDB

                        return false;

                }

                File file = ((VectorialFileAdapter) source).getFile();

                String fileName = file.getAbsolutePath();

                File sptFile = new File(fileName + ".qix");

                if (!sptFile.exists() || (!(sptFile.length() > 0))) {

                        // before to exit, look for it in temp path

                        // it doesnt exists, must to create

                        String tempPath = System.getProperty("java.io.tmpdir");

                        fileName = tempPath + File.separator + sptFile.getName();

                        sptFile = new File(fileName);

                        if (!sptFile.exists() || (!(sptFile.length() > 0))) {

                                return false;

                        }// if

                }// if

                return true;

        }

        /**

         * Inserta el VectorialAdapter a la capa.

         *

         * @param va

         *            VectorialAdapter.

         */

        public void setSource(ReadableVectorial rv) {

                source = rv;

                // azabala: we check if this layer could have a file spatial index

                // and load it if it exists

                loadSpatialIndex();

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.LayerOperations#getFullExtent()

         */

        public Rectangle2D getFullExtent() throws DriverException {

                try {

                        Rectangle2D rAux;

                        logger.debug(getName() + "_source.start()");

                        source.start();

                        rAux = source.getFullExtent();

                        logger.debug(getName() + "_source.stop()");

                        source.stop();

                        // Si existe reproyecci?n, reproyectar el extent

                        ICoordTrans ct = getCoordTrans();

                        if (ct != null) {

                                Point2D pt1 = new Point2D.Double(rAux.getMinX(), rAux.getMinY());

                                Point2D pt2 = new Point2D.Double(rAux.getMaxX(), rAux.getMaxY());

                                pt1 = ct.convert(pt1, null);

                                pt2 = ct.convert(pt2, null);

                                rAux = new Rectangle2D.Double();

                                rAux.setFrameFromDiagonal(pt1, pt2);

                        }

                        return rAux;

                } catch (DriverIOException e) {

                        throw new DriverException(e);

                }

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.LayerOperations#draw(java.awt.image.BufferedImage,

         *      java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort)

         */

        public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort,

                        Cancellable cancel, double scale) throws DriverException {

                if (isWithinScale(scale)) {

                        // Las que solo tienen etiquetado sin pintar el shape,

                        // no pasamos por ellas

                        boolean bDrawShapes = true;

                        if (legend instanceof SingleSymbolLegend) {

                                if (legend.getDefaultSymbol().isShapeVisible() == false)

                                        bDrawShapes = false;

                        }

                        if (bDrawShapes) {

                                Strategy strategy = StrategyManager.getStrategy(this);

                                try {

                                        strategy.draw(image, g, viewPort, cancel);

                                } catch (DriverException e) {

                                        this.setVisible(false);

                                        this.setActive(false);

                                        throw e;

                                }

                        }

                        if (getVirtualLayers() != null) {

                                getVirtualLayers().draw(image, g, viewPort, cancel, scale);

                        }

                        if (getLayerText() != null) {

                                getLayerText().draw(image, g, viewPort, cancel, scale);

                        }

                }

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D,

         *      com.iver.cit.gvsig.fmap.ViewPort,

         *      com.iver.utiles.swing.threads.Cancellable)

         */

        public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel,

                        double scale) throws DriverException {

                if (isVisible() && isWithinScale(scale)) {

                        Strategy strategy = StrategyManager.getStrategy(this);

                        strategy.print(g, viewPort, cancel);

                        if (getLayerText() != null) {

                                getLayerText().draw(null, g, viewPort, cancel, scale);

                        }

                }

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.VectorialOperations#createLabelLayer(int)

         */

        // public FLayer createLabelLayer(int fieldId) {

        public FLayer createLabelLayer(SelectableDataSource ds) {

                FLyrText layerText = null;

                try {

                        layerText = new FLyrText();

                        layerText.setLegend((VectorialLegend) getLegend());

                        layerText.createLabels(this);

                } catch (FieldNotFoundException e1) {

                        // TODO Auto-generated catch block

                        e1.printStackTrace();

                } catch (DriverException e1) {

                        // TODO Auto-generated catch block

                        e1.printStackTrace();

                }

                setLayerText(layerText);

                layerText.setCoordTrans(getCoordTrans());

                return layerText;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.VectorialOperations#removeLabels()

         */

        public void removeLabels() {

                setLayerText(null);

        }

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.RandomVectorialData#deleteSpatialIndex()

         */

        public void deleteSpatialIndex() {

                //must we delete possible spatial indexes files?

                spatialIndex = null;

        }

   /**

    * <p>

    * Creates an spatial index associated to this layer.

    * The spatial index will used

    * the native projection of the layer, so if the layer is reprojected, it will

    * be ignored.

    * </p>

    * @param cancelMonitor instance of CancellableMonitorable that allows

    * to monitor progress of spatial index creation, and cancel the process

    */

    public void createSpatialIndex(CancellableMonitorable cancelMonitor){

             // FJP: ESTO HABR? QUE CAMBIARLO. PARA LAS CAPAS SECUENCIALES, TENDREMOS

        // QUE ACCEDER CON UN WHILE NEXT. (O mejorar lo de los FeatureVisitor

        // para que acepten recorrer sin geometria, solo con rectangulos.

            //If this vectorial layer is based in a spatial database, the spatial

                //index is already implicit. We only will index file drivers

            ReadableVectorial va = getSource();

            //We must think in non spatial databases, like HSQLDB

                if(!(va instanceof VectorialFileAdapter)){

                        return;

                }

                if (!(va.getDriver() instanceof BoundedShapes)) {

                        return;

                }

                File file = ((VectorialFileAdapter) va).getFile();

                String fileName = file.getAbsolutePath();

                ISpatialIndex localCopy = null;

                try {

                        va.start();

                        localCopy = new QuadtreeGt2(fileName, "NM", va.getFullExtent(),

                                        va.getShapeCount(), true);

                } catch (SpatialIndexException e1) {

                        // Probably we dont have writing permissions

                        String directoryName = System.getProperty("java.io.tmpdir");

                        File newFile = new File(directoryName +

                                        File.separator +

                                        file.getName());

                        String newFileName = newFile.getName();

                        try {

                                localCopy = new QuadtreeGt2(newFileName, "NM", va.getFullExtent(),

                                                va.getShapeCount(), true);

                        } catch (SpatialIndexException e) {

                                // if we cant build a file based spatial index, we'll build

                                // a pure memory spatial index

                                localCopy = new QuadtreeJts();

                        } catch (DriverIOException e) {

                                // TODO Auto-generated catch block

                                e.printStackTrace();

                        }

                }catch(Exception e){

                        e.printStackTrace();

                }//try

        BoundedShapes shapeBounds = (BoundedShapes) va.getDriver();

        try {

            for (int i=0; i < va.getShapeCount(); i++)

            {

                    if(cancelMonitor != null){

                            if(cancelMonitor.isCanceled())

                                    return;

                            cancelMonitor.reportStep();

                    }

                Rectangle2D r = shapeBounds.getShapeBounds(i);

                localCopy.insert(r, i);

            } // for

            va.stop();

            if(localCopy instanceof IPersistentSpatialIndex)

                    ((IPersistentSpatialIndex) localCopy).flush();

            spatialIndex = localCopy;

        } catch (DriverIOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } catch (IOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.RandomVectorialData#createIndex()

         */

        public void createSpatialIndex() {

                createSpatialIndex(null);

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.VectorialOperations#process(com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor,

         *      FBitSet)

         */

        public void process(FeatureVisitor visitor, FBitSet subset)

                        throws DriverException, VisitException {

                Strategy s = StrategyManager.getStrategy(this);

                s.process(visitor, subset);

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.VectorialData#process(com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor)

         */

        public void process(FeatureVisitor visitor) throws DriverException,

                        VisitException {

                Strategy s = StrategyManager.getStrategy(this);

                s.process(visitor);

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.VectorialData#process(com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor,

         *      Rectangle2D)

         */

        public void process(FeatureVisitor visitor, Rectangle2D rect)

                        throws DriverException, VisitException {

                Strategy s = StrategyManager.getStrategy(this);

                s.process(visitor, rect);

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.CommonOperations#setSelection(com.iver.cit.gvsig.fmap.operations.selection.VectorialSubSet)

         */

        /*

         * public void setSelection(FBitSet selection) { try {

         * getRecordset().setSelection(selection); } catch (DriverException e) { //

         * TODO Auto-generated catch block e.printStackTrace(); }

         * fireSelectionEvents(); }

         */

        /**

         * @see com.iver.cit.gvsig.fmap.layers.CommonOperations#isSelected(int)

         */

        /*

         * public boolean isSelected(int index) { try { return

         * getRecordset().isSelected(index); } catch (DriverException e) { // TODO

         * Auto-generated catch block e.printStackTrace(); } return false; }

         */

        /**

         * @see com.iver.cit.gvsig.fmap.layers.CommonOperations#getSelection()

         */

        /*

         * public FBitSet getSelection() { try { return

         * getRecordset().getSelection(); } catch (DriverException e) { // TODO

         * Auto-generated catch block e.printStackTrace(); } return new FBitSet(); }

         */

        /**

         * @see com.iver.cit.gvsig.fmap.layers.CommonOperations#clearSelection()

         */

        /*

         * public void clearSelection() { try { getRecordset().clearSelection(); }

         * catch (DriverException e) { // TODO Auto-generated catch block

         * e.printStackTrace(); } }

         */

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.layers.layerOperations.RandomVectorialData#queryByRect(java.awt.geom.Rectangle2D)

         */

        public FBitSet queryByRect(Rectangle2D rect) throws DriverException {

                Strategy s = StrategyManager.getStrategy(this);

                return s.queryByRect(rect);

        }

        public FBitSet queryByPoint(Point2D p, double tolerance)

                        throws DriverException {

                Strategy s = StrategyManager.getStrategy(this);

                return s.queryByPoint(p, tolerance);

        }

        public FBitSet queryByShape(IGeometry g, int relationship)

                        throws DriverException, VisitException {

                Strategy s = StrategyManager.getStrategy(this);

                return s.queryByShape(g, relationship);

        }

        public XMLItem[] getInfo(Point p, double tolerance) throws DriverException {

                Point2D pReal = this.getFMap().getViewPort().toMapPoint(p);

                FBitSet bs = queryByPoint(pReal, tolerance);

                VectorialXMLItem[] item = new VectorialXMLItem[1];

                item[0] = new VectorialXMLItem(bs, this);

                return item;

        }

        /**

         * @throws DriverException

         * @see com.iver.cit.gvsig.fmap.layers.CommonOperations#getRecordset()

         */

        /*

         * public SelectableDataSource getRecordset() throws DriverException { if

         * (sds == null){ try { DataSource ds = getSource().getRecordset();

         *

         * if (ds == null) { return null; }

         *

         * sds = new SelectableDataSource(ds);

         * //sds.setSelectionSupport(selectionSupport);

         *

         * return sds; } catch (DriverLoadException e) { throw new

         * DriverException(e); } catch

         * (com.hardcode.gdbms.engine.data.driver.DriverException e) { throw new

         * DriverException(e); } } return sds; }

         */

        /**

         * Para cuando haces una uni?n, sustituyes el recorset por el nuevo. De esta

         * forma, podr?s poner leyendas basadas en el nuevo recordset

         *

         * @param newSds

         * @throws DriverException

         * @throws FieldNotFoundException

         * @throws FieldNotFoundException

         */

        /*

         * public void setRecordset(SelectableDataSource newSds) throws

         * DriverException, FieldNotFoundException { sds = newSds;

         * //sds.setSelectionSupport(selectionSupport); legend.setDataSource(sds);

         * logger.debug("Recordset cambiado a " + sds.getName()); }

         */

        /**

         * @see com.iver.cit.gvsig.fmap.layers.CommonOperations#setLegend(int,

         *      com.iver.cit.gvsig.fmap.rendering.Legend)

         */

        public void setLegend(VectorialLegend r) throws DriverException,

                        FieldNotFoundException {

                VectorialLegend oldLegend = legend;

                legend = r;

                try {

                        legend.setDataSource(getRecordset());

                        if (legend.getLabelField() != null) {

                                // sds.start();

                                // int idLabelField =

                                // getRecordset().getFieldIndexByName(legend.getLabelField());

                                createLabelLayer(getSource().getRecordset());

                                // sds.stop();

                        } else

                                removeLabels();

                } catch (DriverException e) {

                        throw new DriverException(e);

                } catch (FieldNotFoundException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                } catch (DriverLoadException e) {

                        // TODO Auto-generated catch block

                        e.printStackTrace();

                }

                LegendChangedEvent e = LegendChangedEvent.createLegendChangedEvent(

                                oldLegend, legend);

                callLegendChanged(e);

        }

        /**

         * Devuelve la Leyenda de la capa.

         *

         * @return Leyenda.

         */

        public Legend getLegend() {

                return legend;

        }

        /**

         * Devuelve el tipo de shape que contiene la capa.

         *

         * @return tipo de shape.

         *

         * @throws DriverException

         */

        public int getShapeType() throws DriverException {

                if (typeShape == -1) {

                        try {

                                logger.debug("source.start()");

                                getSource().start();

                                typeShape = getSource().getShapeType();

                                logger.debug("source.stop()");

                                getSource().stop();

                        } catch (DriverIOException e) {

                                throw new DriverException(e);

                        }

                }

                return typeShape;

        }

        /**

         * @throws XMLException

         * @see com.iver.cit.gvsig.fmap.layers.FLayer#getProperties()

         */

        public XMLEntity getXMLEntity() throws XMLException {

                XMLEntity xml = super.getXMLEntity();

                xml.addChild(getLegend().getXMLEntity());

                try {

                        xml.addChild(getRecordset().getSelectionSupport().getXMLEntity());

                } catch (DriverException e1) {

                        e1.printStackTrace();

                        throw new XMLException(e1);

                }

                //Repongo el mismo ReadableVectorial m?s abajo para cuando se guarda el proyecto.

                ReadableVectorial rv=getSource();

                if (getSource() instanceof VectorialEditableAdapter) {

                        setSource(((VectorialEditableAdapter) source).getOriginalAdapter());

                }

                if (getSource() instanceof VectorialFileAdapter) {

                        xml.putProperty("type", "vectorial");

                        xml.putProperty("file", ((VectorialFileAdapter) getSource())

                                        .getFile());

                        // try {

                        try {

                                xml.putProperty("recordset-name", getSource().getRecordset()

                                                .getName());

                        } catch (DriverLoadException e) {

                                // TODO Auto-generated catch block

                                e.printStackTrace();

                        }

                        // } catch (DriverException e) {

                        // throw new XMLException(e);

                        // }

                } else if (source instanceof VectorialDBAdapter) {

                        xml.putProperty("type", "vectorial");

                        VectorialDatabaseDriver dbDriver = (VectorialDatabaseDriver) getSource()

                                        .getDriver();

                        // Guardamos el nombre del driver para poder recuperarlo

                        // con el DriverManager de Fernando.

                        xml.putProperty("db", dbDriver.getName());

                        // try {

                        try {

                                xml.putProperty("recordset-name", getSource().getRecordset()

                                                .getName());

                        } catch (DriverLoadException e) {

                                // TODO Auto-generated catch block

                                e.printStackTrace();

                        }

                        // } catch (DriverException e) {

                        // throw new XMLException(e);

                        // }

                        xml.addChild(dbDriver.getXMLEntity()); // Tercer child. Antes hemos

                                                                                                        // metido la leyenda y el

                                                                                                        // selection support

                } else if (source instanceof VectorialAdapter) {

                        // Se supone que hemos hecho algo gen?rico.

                        xml.putProperty("type", "vectorial");

                        VectorialDriver driver = (VectorialDriver) getSource().getDriver();

                        // Guardamos el nombre del driver para poder recuperarlo

                        // con el DriverManager de Fernando.

                        xml.putProperty("other", driver.getName());

                        // try {

                        try {

                                xml.putProperty("recordset-name", getSource().getRecordset()

                                                .getName());

                        } catch (DriverLoadException e) {

                                // TODO Auto-generated catch block

                                e.printStackTrace();

                        }

                        // } catch (DriverException e) {

                        // throw new XMLException(e);

                        // }

                        if (driver instanceof IPersistance) {

                                // xml.putProperty("className", driver.getClass().getName());

                                IPersistance persist = (IPersistance) driver;

                                xml.addChild(persist.getXMLEntity()); // Tercer child. Antes

                                                                                                                // hemos metido la

                                                                                                                // leyenda y el

                                                                                                                // selection support

                        }

                }

                setSource(rv);

                xml.putProperty("driverName", getSource().getDriver().getName());

                if (bHasJoin)

                        xml.putProperty("hasJoin", "true");

                return xml;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#setXMLEntity(com.iver.utiles.XMLEntity)

         */

        public void setXMLEntity03(XMLEntity xml) throws XMLException {

                super.setXMLEntity(xml);

                legend = LegendFactory.createFromXML03(xml.getChild(0));

                try {

                        // legend.setDataSource(getRecordset());

                        setLegend(legend);

                } catch (FieldNotFoundException e) {

                        throw new XMLException(e);

                } catch (DriverException e) {

                        throw new XMLException(e);

                }

                try {

                        getRecordset().getSelectionSupport()

                                        .setXMLEntity03(xml.getChild(1));

                } catch (DriverException e) {

                        e.printStackTrace();

                }

        }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#setXMLEntity(com.iver.utiles.XMLEntity)

         */

        public void setXMLEntity(XMLEntity xml) throws XMLException {

                super.setXMLEntity(xml);

                VectorialLegend leg = LegendFactory.createFromXML(xml.getChild(0));

                try {

                        getRecordset().getSelectionSupport().setXMLEntity(xml.getChild(1));

                        String recordsetName = xml.getStringProperty("recordset-name");

                        LayerFactory.getDataSourceFactory().changeDataSourceName(

                                        getSource().getRecordset().getName(), recordsetName);

                        // Hacemos que el recordset que hemos creado antes (los

                        // recordset se crean antes que todo) sea el recordset

                        // de esta capa. Y del que se crea automaticamente

                        // en el setLegend del createLayer, nos olvidamos

                        SelectableDataSource sds = new SelectableDataSource(LayerFactory

                                        .getDataSourceFactory().createRandomDataSource(

                                                        recordsetName, DataSourceFactory.AUTOMATIC_OPENING));

                        // sds.setSelectionSupport(selectionSupport);

                        // ((EditableAdapter)getSource()).setRecordSet(sds);

                } catch (NoSuchTableException e1) {

                        throw new XMLException(e1);

                } catch (com.hardcode.gdbms.engine.data.driver.DriverException e1) {

                        throw new XMLException(e1);

                } catch (DriverLoadException e1) {

                        throw new XMLException(e1);

                } catch (DriverException e1) {

                        throw new XMLException(e1);

                }

                // Si tiene una uni?n, lo marcamos para que no se cree la leyenda hasta

                // el final

                // de la lectura del proyecto

                if (xml.contains("hasJoin")) {

                        setIsJoined(true);

                        PostProcessSupport.addToPostProcess(this, "setLegend", leg, 1);

                } else {

                        try {

                                // legend.setDataSource(getRecordset());

                                setLegend(leg);

                        } catch (FieldNotFoundException e) {

                                throw new XMLException(e);

                        } catch (DriverException e) {

                                throw new XMLException(e);

                        }

                }

        }

        /**

         * A?ade un LegendListener a la lista de Listeners.

         *

         * @param listener

         *            LegendListener.

         */

        public void addLegendListener(LegendListener listener) {

                layerChangeSupport.addLayerListener(listener);

        }

        /**

         * Llamada al m?todo callLegendChanged de los listener.

         *

         * @param e

         *            Evento.

         */

        private void callLegendChanged(LegendChangedEvent e) {

                layerChangeSupport.callLegendChanged(e);

        }

        /**

         * Borra un LegendListener de la lista de Listeners

         *

         * @param listener

         *            LegendListener.

         */

        public void removeLegendListener(LegendListener listener) {

                layerChangeSupport.removeLayerListener(listener);

        }

        /**

         * Sobreimplementaci?n del m?todo toString para que las bases de datos

         * identifiquen la capa.

         *

         * @return DOCUMENT ME!

         */

        public String toString() {

                /*

                 * Se usa internamente para que la parte de datos identifique de forma

                 * un?voca las tablas

                 */

                String ret = super.toString();

                return "layer" + ret.substring(ret.indexOf('@') + 1);

        }

        public boolean isJoined() {

                return bHasJoin;

        }

        /**

         * Returns if a layer is spatially indexed

         *

         * @return if this layer has the ability to proces spatial queries without

         *         secuential scans.

         */

        public boolean isSpatiallyIndexed() {

                ReadableVectorial source = getSource();

                if (source instanceof ISpatialDB)

                        return true;

//FIXME azabala

/*

 * Esto es muy dudoso, y puede cambiar.

 * Estoy diciendo que las que no son fichero o no son

 * BoundedShapes estan indexadas. Esto es mentira, pero

 * as? quien pregunte no querr? generar el indice.

 * Esta por ver si interesa generar el indice para capas

 * HSQLDB, WFS, etc.

 */                

                if(!(source instanceof VectorialFileAdapter)){

                        return true;

                }

                if (!(source.getDriver() instanceof BoundedShapes)) {

                        return true;

                }

                if (getISpatialIndex() != null)

                        return true;

                return false;

        }

        public void setIsJoined(boolean hasJoin) {

                bHasJoin = hasJoin;

        }

        /**

         * @return Returns the spatialIndex.

         */

        public ISpatialIndex getISpatialIndex() {

                return spatialIndex;

        }

        /**

         * Sets the spatial index. This could be useful if, for some

         * reasons, you want to work with a distinct spatial index

         * (for example, a spatial index which could makes nearest 

         * neighbour querys)

         * @param spatialIndex

         */

        public void setISpatialIndex(ISpatialIndex spatialIndex){

                this.spatialIndex = spatialIndex;

        }

        /*

         * public SelectableDataSource getRecordset() { try { return

         * getSource().getRecordset(); } catch (DriverLoadException e) { // TODO

         * Auto-generated catch block e.printStackTrace(); } return null; }

         */

        /**

         * @throws DriverException

         * @see com.iver.cit.gvsig.fmap.layers.CommonOperations#getRecordset()

         */

        public SelectableDataSource getRecordset() throws DriverException {

                if (sds == null) {

                        try {

                                SelectableDataSource ds = source.getRecordset();

                                if (ds == null) {

                                        return null;

                                }

                                sds = ds;

                                sds.setSelectionSupport(selectionSupport);

                        } catch (DriverLoadException e) {

                                throw new DriverException(e);

                        }

                }

                return sds;

        }

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#setEditing(boolean)

         */

        public void setEditing(boolean b) throws EditionException {

                super.setEditing(b);

                try {

                        if (b) {

                                VectorialEditableAdapter vea = null;

                                // TODO: Qu? pasa si hay m?s tipos de adapters?

                                // FJP: Se podr?a pasar como argumento el

                                // VectorialEditableAdapter

                                // que se quiera usar para evitar meter c?digo aqu? de este

                                // estilo.

                                if (getSource() instanceof VectorialDBAdapter) {

                                        vea = new VectorialEditableDBAdapter();

                                } else if (this instanceof FLyrAnnotation) {

                                        vea = new AnnotationEditableAdapter(

                                                        (FLyrAnnotation) this);

                                } else {

                                        vea = new VectorialEditableAdapter();

                                }

                                vea.setOriginalVectorialAdapter(getSource());

                                // /vea.setSpatialIndex(getSpatialIndex());

                                // /vea.setFullExtent(getFullExtent());

                                vea.startEdition(EditionEvent.GRAPHIC);

                                setSource(vea);

                                getRecordset().setSelectionSupport(

                                                vea.getOriginalAdapter().getRecordset()

                                                                .getSelectionSupport());

                        } else {

                                VectorialEditableAdapter vea = (VectorialEditableAdapter) getSource();

                                setSource(vea.getOriginalAdapter());

                        }

                        // Si tenemos una leyenda, hay que pegarle el cambiazo a su

                        // recordset

                        setRecordset(getSource().getRecordset());

                        if (getLegend() instanceof VectorialLegend) {

                                VectorialLegend ley = (VectorialLegend) getLegend();

                                ley.setDataSource(getSource().getRecordset());

                                // Esto lo pongo para evitar que al dibujar sobre un

                                // dxf, dwg, o dgn no veamos nada. Es debido al checkbox

                                // de la leyenda de textos "dibujar solo textos".

                                if (!(getSource().getDriver() instanceof IndexedShpDriver)){

                                        ley.setDefaultSymbol(new FSymbol(getShapeType()));

                                }

                                ley.useDefaultSymbol(true);

                        }

                } catch (DriverLoadException e) {

                        e.printStackTrace();

                        throw new EditionException(e);

                } catch (DriverException e) {

                        e.printStackTrace();

                        throw new EditionException(e);

                } catch (FieldNotFoundException e) {

                        e.printStackTrace();

                        throw new EditionException(e);

                }

                setSpatialCacheEnabled(b);

                callEditionChanged(LayerEvent

                                .createEditionChangedEvent(this, "edition"));

        }

        /**

         * Para cuando haces una uni?n, sustituyes el recorset por el nuevo. De esta

         * forma, podr?s poner leyendas basadas en el nuevo recordset

         *

         * @param newSds

         */

        public void setRecordset(SelectableDataSource newSds) {

                sds = newSds;

                sds.setSelectionSupport(selectionSupport);

        }

        /*

         * public SelectionSupport getSelectionSupport() { return selectionSupport; }

         *

         * public void setSelectionSupport(SelectionSupport selectionSupport) {

         * this.selectionSupport = selectionSupport; }

         */

        public SpatialCache createSpatialCache() {

               spatialCache = new SpatialCache();

                return spatialCache;

        }

//        public void setSpatialCache(SpatialCache spatialCache) {

//                this.spatialCache = spatialCache;

//        }

        public boolean isSpatialCacheEnabled() {

                return spatialCacheEnabled;

        }

        public void setSpatialCacheEnabled(boolean spatialCacheEnabled) {

                this.spatialCacheEnabled = spatialCacheEnabled;

        }

        public SpatialCache getSpatialCache() {

                return spatialCache;

        }

        public void setMaxFeaturesInEditionCache(int maxFeatures) {

                getSpatialCache().setMaxFeatures(maxFeatures);

        }

}