Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.app.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.Iterator;

import java.util.Random;

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.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.app.gui.styling.JComboBoxColorScheme;

import org.gvsig.app.gui.styling.SymbolLevelsWindow;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.exception.ReadException;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor;

import org.gvsig.fmap.dal.feature.FeatureSet;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.MapContextManager;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.operations.ClassifiableVectorial;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.fmap.mapcontext.rendering.legend.ILegend;

import org.gvsig.fmap.mapcontext.rendering.legend.IVectorialUniqueValueLegend;

import org.gvsig.fmap.mapcontext.rendering.legend.ZSort;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

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

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

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

import org.gvsig.symbology.fmap.mapcontext.rendering.legend.impl.AbstractClassifiedVectorLegend;

import org.gvsig.symbology.fmap.mapcontext.rendering.legend.impl.VectorialUniqueValueLegend;

import org.gvsig.tools.dispose.DisposableIterator;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * 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 final Logger logger = LoggerFactory

    .getLogger(VectorialUniqueValue.class);

    protected VectorialUniqueValueLegend theLegend;

    private ClassifiableVectorial layer;

    private SymbolTable symbolTable;

    protected JComboBox cmbFields;

    private JButton btnRemoveAll;

    private JButton btnRemove;

    private JCheckBox chbUseDefault = null;

    private JSymbolPreviewButton defaultSymbolPrev;

    private VectorialUniqueValueLegend auxLegend;

        private JPanel pnlCenter;

        private JButton btnOpenSymbolLevelsEditor;

        private JComboBoxColorScheme cmbColorScheme;

        private GridBagLayoutPanel defaultSymbolPanel = new GridBagLayoutPanel();

        private MapContextManager mapContextManager = MapContextLocator

                        .getMapContextManager();

    /**

     *

     */

    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() {

        FeatureStore elRs;

        try {

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

//            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());

            auxLegend = (VectorialUniqueValueLegend) MapContextLocator

                                        .getMapContextManager().createLegend(

                                                        IVectorialUniqueValueLegend.LEGEND_NAME);

            auxLegend.setShapeType(layer.getShapeType());

            Object clave=null;

            //Object resul;

            if (chbUseDefault.isSelected()) {

                auxLegend.getDefaultSymbol().setDescription("Default");

                auxLegend.addSymbol(null, auxLegend.getDefaultSymbol());

            }

            Color[] colorScheme = cmbColorScheme.getSelectedColors();

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

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

                                colors[i] = colorScheme[i];

                        }

                        auxLegend.setColorScheme(colors);

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

            FeatureSet set = null;

                        DisposableIterator iterator = null;

                        try {

                                set = elRs.getFeatureSet();

                                int count = 0;

                                iterator = set.iterator();

                                while (iterator.hasNext()) {

                                        Feature feature = (Feature) iterator.next();

                                        clave = feature.get(fieldName);

                                        // }

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

                                        // clave = elRs.getFieldValue(j, idField);

//                                        if (clave instanceof NullValue) {

//                                                continue;

//                                        }

                                        if (clave == null) {

                                                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) {

                                                if (count == 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)) {

                                                                break;

                                                        }

                                                }

                                                // si no esta creado el simbolo se crea

                                                // jaume (moved to ISymbol); theSymbol = new

                                                // FSymbol(layer.getShapeType());

                                                theSymbol =

                                                                mapContextManager.getSymbolManager()

                                                                                .createSymbol(

                                                                                                layer

                                                                                .getShapeType(), colorScheme[rand

                                                                                .nextInt(colorScheme.length)]);

                                                theSymbol.setDescription(clave.toString());

                                                auxLegend.addSymbol(clave, theSymbol);

                                                count++;

                                        }

                                } // for

                        }finally{

                                if (iterator != null){

                                        iterator.dispose();

                                }

                                if (set != null) {

                                        set.dispose();

                                }

                        }

                        Object[] values = auxLegend.getValues();

                        String[] descriptions = new String[values.length];

                        ISymbol[] symbols = new ISymbol[values.length];

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

                                Object value = values[i];

                                symbols[i] = auxLegend.getSymbolByValue(value);

                                descriptions[i] = symbols[i].getDescription();

                        }

            symbolTable.fillTableFromSymbolList(symbols,

                values, descriptions);

//            elRs.stop();

//            set.dispose();

        } catch (DataException 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() {

        Object clave=null;

        ISymbol theSymbol;

                ArrayList 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.getFeatureStore().getDefaultFeatureType()

                                        .getAttributeDescriptor(cmbFields.getSelectedIndex())

                                        .getType();

//                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 (DataException e) {

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

        } catch (Exception e) {

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

                }

                if(changedLegend){

                        auxLegend.clear();

                }

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

            clave = 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 {

                            // avoid same instance

                            if (legendSymbol != theSymbol) {

                                /*

                                 * Perhaps use this "if" when implementations of ISymbol

                                 * properly implement the equals method. 

                                 */

                                // 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 = null;

                if(chbUseDefault.isSelected()){

                        theSymbol = defaultSymbolPrev.getSymbol();

                        if(theSymbol != null){

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

                                theSymbol.setDescription(description);

                                ISymbol legendSymbol = null;

                                if (auxLegend != null){

                                        legendSymbol = auxLegend.getSymbolByValue(clave);

                                }

                                if( legendSymbol == null){

                                        auxLegend.addSymbol(clave, theSymbol);

                                } else {

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

                                        if(legendSymbol!=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() {

        FeatureStore rs;

        try {

            rs = ((FLyrVect) layer).getFeatureStore();

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

//            rs.start();

            ArrayList names=new ArrayList();

            Iterator iterator=rs.getDefaultFeatureType().iterator();

            while (iterator.hasNext()) {

                                FeatureAttributeDescriptor descriptor = (FeatureAttributeDescriptor) iterator.next();

                                names.add(descriptor.getName());

                        }

//            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(names.toArray(new String[0]));

            cmbFields.setModel(cM);

            // fieldsListValor.setSelectedIndex(0);

        } catch (DataException 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 (ReadException e) {

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

                }

              getDefaultSymbolPrev(shapeType);

              if (symbolTable != null) {

                        pnlCenter.remove(symbolTable);

                }

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

              pnlCenter.add(symbolTable, BorderLayout.CENTER);

        fillFieldNames();

        symbolTable.removeAllItems();

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

                        auxLegend = (VectorialUniqueValueLegend) legend.cloneLegend();

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

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

                        setColorScheme();

                        Object[] values = auxLegend.getValues();

                        String[] descriptions = new String[values.length];

                        ISymbol[] symbols = new ISymbol[values.length];

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

                                Object value = values[i];

                                symbols[i] = auxLegend.getSymbolByValue(value);

                                descriptions[i] = symbols[i].getDescription();

                        }

                        symbolTable.fillTableFromSymbolList(symbols,

                                        values,descriptions);

                        chbUseDefault.setSelected(auxLegend.isUseDefaultSymbol());

                } else {

                        auxLegend = new VectorialUniqueValueLegend(shapeType);

                }

                defaultSymbolPrev.setSymbol(auxLegend.getDefaultSymbol());

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

    }

    private void setColorScheme(){

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

                        Color[] colorScheme = auxLegend.getColorScheme();

//                        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(colorScheme);

                }

        }

    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!=defaultSymbolLegend){

                                    auxLegend.setDefaultSymbol(symbol);

                            }

                    }

                    auxLegend.useDefaultSymbol(chbUseDefault.isSelected());

                    theLegend = (VectorialUniqueValueLegend) auxLegend.cloneLegend();

                    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;

    }

    /**

     * A�ade el resto de valores.

     */

    private void addDefault() {

        auxLegend.getDefaultSymbol().setDescription("Default");

        auxLegend.addSymbol(null, auxLegend.getDefaultSymbol());

        symbolTable.addTableRecord(auxLegend.getDefaultSymbol(),

            null, auxLegend.getDefaultSymbol().getDescription());

        symbolTable.repaint();

    }

    /**

     * Elimina el resto de valores que no estan representados por ning�n otro s�mbolo..

     */

    private void delDefault() {

        auxLegend.delSymbol(null);

        symbolTable.removeRow(null);

        symbolTable.repaint();

    }

    public void actionPerformed(ActionEvent e) {

            //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);

//                    if (theLegend.getClassifyingFieldNames()!=null && fieldName != theLegend.getClassifyingFieldNames()[0]) {

//                            //m_bCacheDirty = true;

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

//                    }

//

//                    //////////////////////////////////////////PEPE

//                    FLyrVect m = (FLyrVect) layer;

//                    try {

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

//                            if (theLegend.getClassifyingFieldTypes()!=null && fieldType != theLegend.getClassifyingFieldTypes()[0]) {

//                                    //m_bCacheDirty = true;

//                                    theLegend.setClassifyingFieldTypes(new int[] {fieldType});

//                            }

//                    } catch (ReadDriverException e1) {

//                            NotificationManager.addError(PluginServices.getText(this, "could_not_setup_legend"), e1);

//                    }

//                    /////////////////////////////////////////PEPE

            }

            // 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 =

                                                mapContextManager.getSymbolManager().createSymbol(

                                                                layer.getShapeType());

                                Double clave = new Double(0.0);

                                symbolTable.addTableRecord(symbol,

                                                clave,"0 - 0");

                                btnOpenSymbolLevelsEditor.setEnabled(true);

                    } catch (ReadException 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") + ".";

        }

        public ImageIcon getIcon() {

            return IconThemeHelper.getImageIcon(

                "legend-overview-vectorial-unique-value");

        }

        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);

        }

}