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.project.documents.view.legend.gui;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.ArrayList;

import java.util.Random;

import javax.swing.BoxLayout;

import javax.swing.DefaultComboBoxModel;

import javax.swing.ImageIcon;

import javax.swing.JCheckBox;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import org.apache.log4j.Logger;

import org.gvsig.gui.beans.swing.GridBagLayoutPanel;

import org.gvsig.gui.beans.swing.JBlank;

import org.gvsig.gui.beans.swing.JButton;

import org.gvsig.raster.datastruct.ColorItem;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

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

import com.hardcode.gdbms.engine.values.NullValue;

import com.hardcode.gdbms.engine.values.Value;

import com.hardcode.gdbms.engine.values.ValueFactory;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

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

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.layers.FLayer;

import com.iver.cit.gvsig.fmap.layers.FLyrVect;

import com.iver.cit.gvsig.fmap.layers.XMLException;

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

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

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

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

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

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

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

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

import com.iver.cit.gvsig.gui.styling.JComboBoxColorScheme;

import com.iver.cit.gvsig.gui.styling.SymbolLevelsWindow;

/**

 * DOCUMENT ME!

 *

 * @author fjp To change the template for this generated type comment go to

 *         Window>Preferences>Java>Code Generation>Code and

 *         Comments

 */

public class VectorialUniqueValue extends JPanel implements ILegendPanel, ActionListener{

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

        protected VectorialUniqueValueLegend theLegend;

        private ClassifiableVectorial layer;

        private SymbolTable symbolTable;

        protected JComboBox cmbFields;

        private JButton btnRemoveAll;

        private JButton btnRemove;

        private JButton moveUp;

        private JButton moveDown;

        private JCheckBox chbUseDefault = null;

        private JSymbolPreviewButton defaultSymbolPrev;

        private VectorialUniqueValueLegend auxLegend;

        private JPanel pnlCenter;

        private JPanel pnlMovBut;

        private JButton btnOpenSymbolLevelsEditor;

        private GridBagLayoutPanel defaultSymbolPanel = new GridBagLayoutPanel();

        private JComboBoxColorScheme cmbColorScheme;

        /**

         *

         */

        public VectorialUniqueValue() {

                super();

                initComponents();

        }

        /**

         * DOCUMENT ME!

         */

        protected void initComponents() {

                JPanel pnlButtons = new JPanel();

                JButton btnAddAll = new JButton(PluginServices.getText(this,

                "Anadir_todos"));

                btnAddAll.setActionCommand("ADD_ALL_VALUES");

                btnAddAll.addActionListener(this);

                pnlButtons.add(btnAddAll);

                JButton btnAdd = new JButton(PluginServices.getText(this, "Anadir"));

                btnAdd.setActionCommand("ADD_VALUE");

                btnAdd.addActionListener(this);

                pnlButtons.add(btnAdd);

                btnRemoveAll = new JButton(PluginServices.getText(this, "Quitar_todos"));

                btnRemoveAll.setActionCommand("REMOVE_ALL");

                btnRemoveAll.addActionListener(this);

                pnlButtons.add(btnRemoveAll);

                btnRemove = new JButton(PluginServices.getText(this, "Quitar"));

                btnRemove.setActionCommand("REMOVE");

                btnRemove.addActionListener(this);

                pnlButtons.add(btnRemove);

                btnOpenSymbolLevelsEditor = new JButton(PluginServices.getText(this, "symbol_levels"));

                btnOpenSymbolLevelsEditor.addActionListener(this);

                btnOpenSymbolLevelsEditor.setActionCommand("OPEN_SYMBOL_LEVEL_EDITOR");

                pnlButtons.add(btnOpenSymbolLevelsEditor);

                btnOpenSymbolLevelsEditor.setEnabled(symbolTable != null && symbolTable.getRowCount()>0);

                pnlCenter = new JPanel();

                pnlCenter.setLayout(new BorderLayout());

                cmbFields = new JComboBox();

                cmbFields.setActionCommand("FIELD_SELECTED");

                cmbFields.addActionListener(this);

                cmbFields.setVisible(true);

                JPanel pnlNorth = new JPanel();

                pnlNorth.setLayout(new GridLayout(0,2));

                GridBagLayoutPanel auxPanel = new GridBagLayoutPanel();

                JLabel lblFieldClassification = new JLabel(PluginServices.getText(

                                this, "Campo_de_clasificacion")+": ");

                auxPanel.add(lblFieldClassification);

                auxPanel.add(cmbFields);

                pnlNorth.add(auxPanel);

                auxPanel = new GridBagLayoutPanel();

                auxPanel.add(new JLabel(PluginServices.getText(this, "color_scheme")+": "));

                cmbColorScheme = new JComboBoxColorScheme(false);

                cmbColorScheme.addActionListener(this);

                auxPanel.add(cmbColorScheme);

                pnlNorth.add(auxPanel);

                defaultSymbolPanel.add(getChbUseDefault(), null);

                pnlNorth.add(defaultSymbolPanel);

                pnlNorth.add(new JBlank(0,30));

                this.setLayout(new BorderLayout());

                this.add(pnlNorth, BorderLayout.NORTH);

                this.add(pnlCenter, BorderLayout.CENTER);

                this.add(pnlButtons, BorderLayout.SOUTH);

        }

        /**

         * DOCUMENT ME!

         */

        private void fillTableValues() {

                DataSource elRs;

                try {

                        elRs = ((FLyrVect) layer).getRecordset();

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

                        elRs.start();

                        int idField = -1;

                        String fieldName = (String) cmbFields.getSelectedItem();

                        if (fieldName==null) {

                                JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"no_hay_campo_seleccionado"));

                                return;

                        }

                        idField = elRs.getFieldIndexByName(fieldName);

                        auxLegend.setClassifyingFieldNames(new String[] {fieldName});

                        //long numReg = elRs.getRowCount();

                        if (idField == -1) {

                                NotificationManager.addWarning(

                                                PluginServices.getText(this, "unrecognized_field_name")+" " + fieldName, null);

                                return;

                        }

                        symbolTable.removeAllItems();

                        int numSymbols = 0;

                        ISymbol theSymbol = null;

                        //auxLegend=(VectorialUniqueValueLegend)m_lyr.getLegend();

                        auxLegend = LegendFactory.createVectorialUniqueValueLegend(layer.getShapeType());

                        Value clave;

                        ColorItem[] colorScheme = cmbColorScheme.getSelectedColors();

                        Color[] colors = new Color[colorScheme.length];

                        for (int i = 0; i < colorScheme.length; i++) {

                                colors[i] = colorScheme[i].getColor();

                        }

                        auxLegend.setColorScheme(colors);

                        Random rand = new Random(System.currentTimeMillis());

                        for (int j = 0; j < elRs.getRowCount(); j++) {

                                clave = elRs.getFieldValue(j, idField);

                                if (clave instanceof NullValue) {

                                        continue;

                                }

                                ////Comprobar que no esta repetido y no hace falta introducir en el hashtable el campo junto con el simbolo.

                                if (auxLegend.getSymbolByValue(clave) == null) {

                                        //si no esta creado el simbolo se crea

                                        // jaume (moved to ISymbol); theSymbol = new FSymbol(layer.getShapeType());

                                        theSymbol = SymbologyFactory.

                                        createDefaultSymbolByShapeType(layer.getShapeType(),

                                                        colorScheme[rand.nextInt(colorScheme.length)].getColor());

                                        theSymbol.setDescription(clave.toString());

                                        auxLegend.addSymbol(clave, theSymbol);

                                        numSymbols++;

                                        if (numSymbols == 100) {

                                                int resp = JOptionPane.showConfirmDialog(this,

                                                                PluginServices.getText(this,

                                                                "mas_de_100_simbolos"),

                                                                PluginServices.getText(this, "quiere_continuar"),

                                                                JOptionPane.YES_NO_OPTION,

                                                                JOptionPane.WARNING_MESSAGE);

                                                if ((resp == JOptionPane.NO_OPTION) ||

                                                                (resp == JOptionPane.DEFAULT_OPTION)) {

                                                        return;

                                                }

                                        }

                                }

                        } // for

                        symbolTable.fillTableFromSymbolList(auxLegend.getSymbols(),

                                        auxLegend.getValues(),auxLegend.getDescriptions());

                        elRs.stop();

                } catch (ReadDriverException e) {

                        NotificationManager.addError(PluginServices.getText(this, "recovering_recordset"), e);

                }

                btnRemoveAll.setEnabled(true);

                btnRemove.setEnabled(true);

                //m_bCacheDirty = false;

        }

        private boolean compareClassifyingFieldNames(String[] a, String[] b){

                if (a==b) return true;

                if (a == null || b == null) return false;

                if (a.length != b.length) return false;

                for (int i=0; i<a.length; i++){

                        if (!a[i].equals(b[i])) return false;

                }

                return true;

        }

        private boolean compareClassifyingFieldTypes(int[] a, int[] b){

                if (a==b) return true;

                if (a == null || b == null) return false;

                if (a.length != b.length) return false;

                for (int i=0; i<a.length; i++){

                        if (a[i]!=b[i]) return false;

                }

                return true;

        }

        /**

         * A partir de los registros de la tabla, regenera el FRenderer. (No solo

         * el symbolList, si no tambi?n el arrayKeys y el defaultRenderer

         */

        private void fillSymbolListFromTable() {

                Value clave;

                ISymbol theSymbol;

                ArrayList<Value> visitedKeys = new ArrayList();

                boolean changedLegend = false;

                String fieldName = (String) cmbFields.getSelectedItem();

                String[] classifyingFieldNames = new String[] {fieldName};

                if(auxLegend!=null){

                        if(!compareClassifyingFieldNames(classifyingFieldNames,auxLegend.getClassifyingFieldNames())){

                                auxLegend.setClassifyingFieldNames(classifyingFieldNames);

                                changedLegend = true;

                        }

                } else {

                        auxLegend.setClassifyingFieldNames(classifyingFieldNames);

                        changedLegend = true;

                }

                FLyrVect m = (FLyrVect) layer;

                try {

                        int fieldType = m.getSource().getRecordset().getFieldType((int)cmbFields.getSelectedIndex());

                        int[] classifyingFieldTypes = new int[] {fieldType};

                        if(auxLegend!=null){

                                if(!compareClassifyingFieldTypes(classifyingFieldTypes,auxLegend.getClassifyingFieldTypes())){

                                        auxLegend.setClassifyingFieldTypes(classifyingFieldTypes);

                                        changedLegend = true;

                                }

                        } else {

                                auxLegend.setClassifyingFieldTypes(classifyingFieldTypes);

                                changedLegend = true;

                        }

                } catch (ReadDriverException e) {

                        NotificationManager.addError(PluginServices.getText(this, "could_not_setup_legend"), e);

                }

                if(changedLegend){

                        auxLegend.clear();

                }

                for (int row = 0; row < symbolTable.getRowCount(); row++) {

                        clave = (Value) symbolTable.getFieldValue(row, 1);

                        theSymbol = (ISymbol) symbolTable.getFieldValue(row, 0);

                        String description = (String) symbolTable.getFieldValue(row, 2);

                        theSymbol.setDescription(description);

                        ISymbol legendSymbol = null;

                        if (auxLegend != null){

                                legendSymbol = auxLegend.getSymbolByValue(clave);

                        }

                        if( legendSymbol == null || ( auxLegend.isUseDefaultSymbol() && legendSymbol == auxLegend.getDefaultSymbol())){

                                if (auxLegend != null){

                                        auxLegend.addSymbol(clave, theSymbol);

                                }

                        } else {

                                /* FIXME: Se optimizar?a descomentarizando el if, pero el metodo equals del AbstractSymbol

                                 * no tiene en cuenta determinadas propiedades del simbolo, como, por ejemplo, el tama?o.

                                 * Descomentarizar al arreglar el metodo equals del AbstractSymbol.

                                 */

//                                if(!legendSymbol.equals(theSymbol)){

                                        auxLegend.replace(legendSymbol, theSymbol);

//                                }

                        }

                        visitedKeys.add(clave);

                }

                if(auxLegend != null){

                        Object[] keys = auxLegend.getValues();

                        for(int i=0; i<keys.length; i++){

                                Object key = keys[i];

                                if(!visitedKeys.contains(key)){

                                        auxLegend.delSymbol(key);

                                }

                        }

                }

                clave = new NullUniqueValue();

                if(chbUseDefault.isSelected()){

                        if(defaultSymbolPrev.getSymbol() != null){

                                String description = PluginServices.getText(this,"default");

                                defaultSymbolPrev.getSymbol().setDescription(description);

                                ISymbol legendSymbol = null;

                                if (auxLegend != null){

                                        legendSymbol = auxLegend.getSymbolByValue(clave);

                                }

                                theSymbol = defaultSymbolPrev.getSymbol();

                                if( legendSymbol == null){

                                        auxLegend.addSymbol(clave, theSymbol);

                                } else {

                                        if(!legendSymbol.equals(theSymbol)){

                                                auxLegend.replace(legendSymbol, theSymbol);

                                        }

                                }

                        }

                } else {

                        if (auxLegend != null){

                                ISymbol legendSymbol = auxLegend.getSymbolByValue(clave);

                                if( legendSymbol != null){

                                        auxLegend.replace(legendSymbol, null);

                                }

                        }

                }

        }

        /**

         * DOCUMENT ME!

         */

        private void fillFieldNames() {

                DataSource rs;

                try {

                        rs = ((FLyrVect) layer).getSource().getRecordset();

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

                        rs.start();

                        String[] nomFields = new String[rs.getFieldCount()];

                        for (int i = 0; i < rs.getFieldCount(); i++) {

                                nomFields[i] = rs.getFieldName(i).trim();

                        }

                        rs.stop();

                        DefaultComboBoxModel cM = new DefaultComboBoxModel(nomFields);

                        cmbFields.setModel(cM);

                        // fieldsListValor.setSelectedIndex(0);

                } catch (ReadDriverException e) {

                        NotificationManager.addError(PluginServices.getText(this, "recovering_recordset"), e);

                }

        }

        public void setData(FLayer layer, ILegend legend) {

                this.layer = (ClassifiableVectorial) layer;

                int shapeType = 0;

                try {

                        shapeType = this.layer.getShapeType();

                } catch (ReadDriverException e) {

                        NotificationManager.addError(PluginServices.getText(this, "accessing_to_the_layer"), e);

                }

                getDefaultSymbolPrev(shapeType);

                if (symbolTable != null)

                        pnlCenter.remove(symbolTable);

                if(pnlMovBut != null)

                        pnlCenter.remove(pnlMovBut);

                symbolTable = new SymbolTable(this, SymbolTable.VALUES_TYPE, shapeType);

                pnlCenter.add(symbolTable, BorderLayout.CENTER);

                pnlCenter.add(getPnlMovBut(),BorderLayout.EAST);

                fillFieldNames();

                symbolTable.removeAllItems();

                if (VectorialUniqueValueLegend.class.equals(legend.getClass())) {

                        try {

                                auxLegend = (VectorialUniqueValueLegend) legend.cloneLegend();

                        } catch (XMLException e) {

                                // TODO Auto-generated catch block

                                e.printStackTrace();

                        }

                        getChbUseDefault().setSelected(auxLegend.isUseDefaultSymbol());

                        cmbFields.getModel().setSelectedItem(auxLegend.getClassifyingFieldNames()[0]);

                        setColorScheme();

                        symbolTable.fillTableFromSymbolList(auxLegend.getSymbols(),

                                        auxLegend.getValues(),auxLegend.getDescriptions());

                        chbUseDefault.setSelected(auxLegend.isUseDefaultSymbol());

                } else {

                        auxLegend = new VectorialUniqueValueLegend(shapeType);

                }

                defaultSymbolPrev.setSymbol(auxLegend.getDefaultSymbol());

                btnOpenSymbolLevelsEditor.setEnabled(symbolTable != null && symbolTable.getRowCount()>0);

        }

        private JPanel getPnlMovBut() {

                if(pnlMovBut == null){

                        pnlMovBut = new JPanel();

                        pnlMovBut.setLayout(new BoxLayout(pnlMovBut, BoxLayout.Y_AXIS));

                        pnlMovBut.add(new JBlank(1, 70));

                        pnlMovBut.add(moveUp = new JButton(PluginServices.getIconTheme().get("up-arrow")));

                        moveUp.setSize(new Dimension(15,15));

                        pnlMovBut.add(new JBlank(1,10));

                        pnlMovBut.add(moveDown = new JButton(PluginServices.getIconTheme().get("down-arrow")));

                        pnlMovBut.add(new JBlank(1, 70));

                        moveDown.setActionCommand("MOVE-DOWN");

                        moveUp.setActionCommand("MOVE-UP");

                        moveDown.addActionListener(this);

                        moveUp.addActionListener(this);

                }

                return pnlMovBut;

        }

        private void setColorScheme(){

                if(auxLegend.getColorScheme() != null) {

                        ColorItem[] colors = new ColorItem[auxLegend.getColorScheme().length];

                        for (int i = 0; i < auxLegend.getColorScheme().length; i++) {

                                colors[i] = new ColorItem();

                                colors[i].setColor(auxLegend.getColorScheme()[i]);

                        }

                        cmbColorScheme.setSelectedColors(colors);

                }

        }

        private void getDefaultSymbolPrev(int shapeType) {

                if(defaultSymbolPrev == null){

                        defaultSymbolPrev = new JSymbolPreviewButton(shapeType);

                        defaultSymbolPrev.setPreferredSize(new Dimension(110,20));

                        defaultSymbolPrev.addActionListener(this);

                        defaultSymbolPanel.add(defaultSymbolPrev,null);

                }

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.gui.legendmanager.panels.ILegendPanel#getLegend()

         */

        public ILegend getLegend() {

                fillSymbolListFromTable();

                if (auxLegend != null) {

                        // your settings that are not the set of symbols must be located here

//                        auxLegend.setClassifyingFieldNames(

//                                        new String[] {(String) cmbFields.getSelectedItem()});

                        ISymbol defaultSymbolLegend = auxLegend.getDefaultSymbol();

                        ISymbol symbol = defaultSymbolPrev.getSymbol();

                        if(symbol != null){

                                if(!symbol.equals(defaultSymbolLegend)){

                                        auxLegend.setDefaultSymbol(symbol);

                                }

                        }

                        auxLegend.useDefaultSymbol(chbUseDefault.isSelected());

                        try {

                                theLegend = (VectorialUniqueValueLegend) auxLegend.cloneLegend();

                        } catch (XMLException e) {

                                // TODO Auto-generated catch block

                                e.printStackTrace();

                        }

                        theLegend.setZSort(auxLegend.getZSort());

                }

                return theLegend;

        }

        private JCheckBox getChbUseDefault() {

                if (chbUseDefault == null) {

                        chbUseDefault = new JCheckBox();

                        chbUseDefault.setSelected(false);

                        chbUseDefault.addActionListener(new java.awt.event.ActionListener() {

                                public void actionPerformed(java.awt.event.ActionEvent e) {

                                        if (chbUseDefault.isSelected()) {

                                                auxLegend.useDefaultSymbol(true);

                                        } else {

                                                auxLegend.useDefaultSymbol(false);

                                        }

                                }

                        });

                        chbUseDefault.setText(PluginServices.getText(this, "resto_valores")+ ": ");

                }

                return chbUseDefault;

        }

        public void actionPerformed(ActionEvent e) {

                int[] indices = null;

                if(e.getActionCommand() == "MOVE-UP" || e.getActionCommand() == "MOVE-DOWN"){

                        if(!auxLegend.isOwnOrder()){

                                auxLegend.setOwnOrder(true);

                        }

                        indices = symbolTable.getSelectedRows();

                }

                if(e.getActionCommand() == "MOVE-UP"){

                        if (indices.length>0) {

                                int classIndex = indices[0];

                                int targetPos = Math.max(0, classIndex-1);

                                symbolTable.moveUpRows(classIndex, targetPos,indices.length);

                        }

                }

                if(e.getActionCommand() == "MOVE-DOWN"){

                        if (indices.length>0) {

                                int classIndex = indices[indices.length-1];

                                int targetPos = Math.min(symbolTable.getRowCount()-1, classIndex+1);

                                symbolTable.moveDownRows(classIndex, targetPos,indices.length);

                        }

                }

                if(e.getActionCommand() == "MOVE-UP" || e.getActionCommand() == "MOVE-DOWN"){

                        ArrayList orders = new ArrayList();

                        for (int i = 0; i < symbolTable.getRowCount(); i++) {

                                orders.add(symbolTable.getFieldValue(i,1).toString());

                        }

                        auxLegend.setOrders(orders);

                }

                //modificar el combobox de valor

                if (e.getActionCommand() == "FIELD_SELECTED") {

                        JComboBox cb = (JComboBox) e.getSource();

                        String fieldName = (String) cb.getSelectedItem();

                        symbolTable.removeAllItems();

                        btnOpenSymbolLevelsEditor.setEnabled(false);

                }

                // add all elements by value

                if (e.getActionCommand() == "ADD_ALL_VALUES") {

                        fillTableValues();

                        btnOpenSymbolLevelsEditor.setEnabled(symbolTable != null && symbolTable.getRowCount()>0);

                }

                // add only one value

                if (e.getActionCommand() == "ADD_VALUE") {

                        try {

                                ISymbol symbol = SymbologyFactory.createDefaultSymbolByShapeType(layer.getShapeType());

                                Value clave = ValueFactory.createValue(0.0);

                                symbolTable.addTableRecord(symbol,

                                                clave,"0 - 0");

                                btnOpenSymbolLevelsEditor.setEnabled(true);

                        } catch (ReadDriverException ex) {

                                NotificationManager.addError(PluginServices.getText(this, "getting_shape_type"), ex);

                        }

                }

                //Vacia la tabla

                if (e.getActionCommand() == "REMOVE_ALL") {

                        symbolTable.removeAllItems();

                        auxLegend.setZSort(null);

                        btnOpenSymbolLevelsEditor.setEnabled(false);

                }

                //Quitar solo el elemento seleccionado

                if (e.getActionCommand() == "REMOVE") {

                        symbolTable.removeSelectedRows();

                        btnOpenSymbolLevelsEditor.setEnabled(symbolTable.getRowCount()>0);

                }

                if (e.getActionCommand() == "OPEN_SYMBOL_LEVEL_EDITOR") {

                        ZSort myZSort = null;

                        if (auxLegend != null) {

                                myZSort = ((AbstractClassifiedVectorLegend) getLegend()).getZSort();

                                if(myZSort == null){

                                        myZSort = new ZSort(auxLegend);

                                }

                        }

                        if (myZSort == null && theLegend != null) {

                                myZSort = new ZSort(theLegend);

                        }

                        SymbolLevelsWindow sl = new SymbolLevelsWindow(myZSort);

                        PluginServices.getMDIManager().addWindow(sl);

                        auxLegend.setZSort(sl.getZSort());

                }

        }

        public String getDescription() {

                return PluginServices.getText(this,"Dado_un_campo_de_atributos") + ", " + PluginServices.getText(this,"muestra_los_elementos_de_la_capa_usando_un_simbolo_por_cada_valor_unico").toLowerCase() + ".";

        }

        public ImageIcon getIcon() {

                return new ImageIcon(this.getClass().getClassLoader().

                                getResource("images/ValoresUnicos.png"));

        }

        public Class getParentClass() {

                return Categories.class;

        }

        public String getTitle() {

                return PluginServices.getText(this,"Valores_unicos");

        }

        public JPanel getPanel() {

                return this;

        }

        public Class getLegendClass() {

                return VectorialUniqueValueLegend.class;

        }

        public boolean isSuitableFor(FLayer layer) {

                return (layer instanceof FLyrVect);

        }

}