Application: gvSIG desktop

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

 *

 * Copyright (C) 2005 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 org.gvsig.labeling.gui.layerproperties;

import java.awt.BorderLayout;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.logging.Level;

import javax.swing.AbstractCellEditor;

import javax.swing.BorderFactory;

import javax.swing.ButtonGroup;

import javax.swing.JButton;

import javax.swing.JCheckBox;

import javax.swing.JComponent;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.JTextField;

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableCellEditor;

import javax.swing.table.TableColumnModel;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.andami.ui.mdiManager.WindowInfo;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.gui.labeling.LabelClassEditor;

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

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

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

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

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

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

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

import org.gvsig.fmap.mapcontext.rendering.legend.styling.ILabelClass;

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

import org.gvsig.fmap.mapcontext.rendering.symbols.styles.ILabelStyle;

import org.gvsig.fmap.mapcontext.rendering.symbols.styles.IStyle;

import org.gvsig.gui.beans.AcceptCancelPanel;

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

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

import org.gvsig.i18n.Messages;

import org.gvsig.labeling.lang.LabelClassUtils;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 *

 * LabelClassProperties.java

 *

 *

 * @author jaume dominguez faus - jaume.dominguez@iver.es May 27, 2008

 *

 */

public class LabelClassProperties extends JPanel implements LabelClassEditor, IWindow,

ActionListener {

        private static final Logger logger =

                        LoggerFactory.getLogger(LabelClassProperties.class);

        private static final String TEST_SQL = "TEST_SQL";

        private static final String DELETE_FIELD = "DELETE_FIELD";

        private static final long serialVersionUID = 6528513396536811057L;

        private static final String ADD_FIELD = "ADD_FIELD";

        private static final String SELECT_STYLE = "SELECT_STYLE";

        private static final String CLEAR_STYLE = "CLEAR_STYLE";

        private static final String VERIFY = "VERIFY";

        private JTextField txtName;

        private ILabelClass lc, clonedClass;

        private JTable tblExpressions;

        private JButton btnRemoveField;

        private JButton btnAddField;

        private JButton btnVerify;

        private JComponent styPreviewer;

        private JButton btnSelStyle;

        private JRadioButton rdBtnFilteredFeatures;

        private JRadioButton rdBtnAllFeatures;

        private JTextField txtSQL;

        private JCheckBox chkLabelFeatures;

        private LabelTextStylePanel textStyle;

        private JPanel sqlPnl;

        private LabelClassPreview labelPreview;

        /*

        private String[] fieldNames;

        private int[] fieldTypes;

        */

        private FeatureStore featureStore = null;

        private JButton btnDontUseStyle;

        private boolean accepted = true;

        private AcceptCancelPanel acceptCancelPanel;

        /**

         * <p>

         * Creates a new instance of the dialog that configures all the properties

         * of a LabelClass.

         * </p>

         * @param strategy

         * @param asWindow

         */

        public LabelClassProperties(FeatureStore fsto) {

                featureStore = fsto;

                initialize();

        }

        private void initialize() {

                setPreferredSize(new Dimension(810, 580));

                setLayout(new BorderLayout(1, 1));

                txtName = new JTextField(40);

                JPanel northPanel = new JPanel(new FlowLayout(FlowLayout.LEFT, 15, 2));

                northPanel.add(new JLabel(Messages.getText("name") + ":"));

                northPanel.add(txtName);

                add(northPanel, BorderLayout.NORTH);

                JPanel centerPanel = new JPanel(new BorderLayout(10, 10));

                textStyle = new LabelTextStylePanel();

                textStyle.addActionListener(this);

                centerPanel.add(textStyle, BorderLayout.NORTH);

                JPanel labelExpressionsPanel = new JPanel(new BorderLayout(1, 1));

                labelExpressionsPanel.add(new JBlank(10, 30), BorderLayout.WEST);

                labelExpressionsPanel.add(new JScrollPane(getTableFields()),

                                BorderLayout.CENTER);

                JPanel a = new JPanel(new FlowLayout(FlowLayout.LEFT, 10, 0));

                a.add(new JLabel("<html><b>"+Messages.getText("text_fields")+"</b></html>"));

                centerPanel.add(labelExpressionsPanel, BorderLayout.CENTER);

                GridLayout gbl = new GridLayout(3, 1, 0, 6);

                JPanel auxp = new JPanel(gbl);

                auxp.add(getBtnVerify());

                auxp.add(getBtnAddField());

                auxp.add(getBtnRemoveField());

                auxp.setBorder(BorderFactory.createEmptyBorder(0, 10, 0, 10));

                JPanel auxpp = new JPanel();

                auxpp.add(auxp);

                centerPanel.add(auxpp, BorderLayout.EAST);

                GridBagLayoutPanel aux = new GridBagLayoutPanel();

//                aux.setBorder(BorderFactory.createTitledBorder(PluginServices.getText(

//                this, "features")));

                rdBtnAllFeatures = new JRadioButton(Messages.getText("all_features"));

                rdBtnFilteredFeatures = new JRadioButton(Messages.getText("filtered_features")

                                +" (SQL GDBMS)");

                rdBtnAllFeatures.addActionListener(this);

                rdBtnFilteredFeatures.addActionListener(this);

                ButtonGroup g = new ButtonGroup();

                g.add(rdBtnAllFeatures);

                g.add(rdBtnFilteredFeatures);

                aux.addComponent(chkLabelFeatures = new JCheckBox(

                                Messages.getText("label_features_in_this_class")));

                aux.addComponent("", rdBtnAllFeatures);

                aux.addComponent("", rdBtnFilteredFeatures);

                sqlPnl = new JPanel(new FlowLayout(FlowLayout.LEFT));

                sqlPnl.add(new JLabel("   SQL: SELECT * FROM "));

                sqlPnl.add(new JLabel("<" + Messages.getText("layer_name")

                                + ">"));

                sqlPnl.add(new JLabel(" WHERE  "));

                sqlPnl.add(txtSQL = new JTextField(40));

                sqlPnl.add(new JLabel(";"));

                aux.addComponent("", sqlPnl);

                JPanel auxPanel = new JPanel(new BorderLayout(1,1));

                JPanel aux2 = new JPanel();

                auxPanel.setBorder(BorderFactory.createTitledBorder(

                                Messages.getText("background_style")));

                aux2.add(getStylePreviewer());

                gbl = new GridLayout(2, 1, 0, 6);

                JPanel aux3 = new JPanel(gbl);

                aux3.add(getBtnSelectStyle());

                aux3.add(getBtnDontUseStyle());

                aux3.setBorder(BorderFactory.createEmptyBorder(0, 10, 0, 10));

                auxpp = new JPanel();

                auxpp.add(aux3);

                auxPanel.add(aux2,BorderLayout.CENTER);

                auxPanel.add(auxpp,BorderLayout.EAST);

                JPanel aux4 = new JPanel(new GridLayout(1,2));

                aux4.add(auxPanel);

                aux2 = new JPanel(new BorderLayout());

                aux2.setBorder(BorderFactory.createTitledBorder(Messages.getText("preview")));

                aux2.add(labelPreview = new LabelClassPreview(), BorderLayout.CENTER);

                aux4.add(aux2);

                GridBagLayoutPanel aux5 = new GridBagLayoutPanel();

                aux5.addComponent("", aux);

                aux5.addComponent(new JBlank(3, 5));

                aux5.addComponent("", aux4);

                centerPanel.add(aux5, BorderLayout.SOUTH);

                add(centerPanel, BorderLayout.CENTER);

                this.acceptCancelPanel = new AcceptCancelPanel(this, this);

                add(this.acceptCancelPanel, BorderLayout.SOUTH);

                chkLabelFeatures.addActionListener(this);

                txtName.addActionListener(this);

        }

        public void setAcceptCancelVisible(boolean visible) {

            this.acceptCancelPanel.setVisible(visible);

        }

        private JComponent getStylePreviewer() {

                if (styPreviewer == null) {

                        styPreviewer = new StylePreviewer();

                        styPreviewer.setPreferredSize(new java.awt.Dimension(90,90));

                        styPreviewer.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.LOWERED));

                        ((StylePreviewer) styPreviewer).setShowOutline(true);

                }

                return styPreviewer;

        }

        private JButton getBtnSelectStyle() {

                if (btnSelStyle == null) {

                        btnSelStyle = new JButton(Messages.getText("select"));

                        btnSelStyle.setActionCommand(SELECT_STYLE);

                        btnSelStyle.addActionListener(this);

                }

                return btnSelStyle;

        }

        private JButton getBtnRemoveField() {

                if (btnRemoveField == null) {

                        btnRemoveField = new JButton(Messages.getText("remove"));

                        btnRemoveField.setActionCommand(DELETE_FIELD);

                        btnRemoveField.addActionListener(this);

                }

                return btnRemoveField;

        }

        private JButton getBtnAddField() {

                if (btnAddField == null) {

                        btnAddField = new JButton(Messages.getText("add"));

                        btnAddField.setActionCommand(ADD_FIELD);

                        btnAddField.addActionListener(this);

                }

                return btnAddField;

        }

        private JButton getBtnVerify() {

                if(btnVerify == null) {

                        btnVerify = new JButton(Messages.getText("verify"));

                        btnVerify.setActionCommand(VERIFY);

                        btnVerify.addActionListener(this);

                }

                return btnVerify;

        }

        private JButton getBtnDontUseStyle() {

                if (btnDontUseStyle == null) {

                        btnDontUseStyle = new JButton(Messages.getText("no_style"));

                        btnDontUseStyle.setActionCommand(CLEAR_STYLE);

                        btnDontUseStyle.addActionListener(this);

                }

                return btnDontUseStyle;

        }

        private JTable getTableFields() {

                if (tblExpressions == null) {

                        tblExpressions = new JTable();

                        tblExpressions.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);

                }

                return tblExpressions;

        }

        private void setComponentEnabled(Component c, boolean b) {

                if (c instanceof JComponent) {

                        JComponent c1 = (JComponent) c;

                        for (int i = 0; i < c1.getComponentCount(); i++) {

                                setComponentEnabled(c1.getComponent(i), b);

                        }

                }

                c.setEnabled(b);

        }

        public void setLabelClass(ILabelClass labelClass) {

                if (labelClass == null)

                        return;

                lc = labelClass;

                try {

                    clonedClass = (ILabelClass) lc.clone();

                } catch (CloneNotSupportedException ex) {

                    clonedClass = lc;

                }

                labelPreview.setLabelClass(clonedClass);

                boolean clo_use_sql = LabelClassUtils.isUseSqlQuery(clonedClass); 

                if (!clo_use_sql) {

                        rdBtnAllFeatures.setSelected(true);

                        txtSQL.setText("");

                } else {

                        rdBtnFilteredFeatures.setSelected(true);

                        txtSQL.setText(clonedClass.getSQLQuery());

                }

                chkLabelFeatures.setSelected(clonedClass.isVisible());

                rdBtnFilteredFeatures.setSelected(clo_use_sql);

                rdBtnAllFeatures.setSelected(!clo_use_sql);

                ((StylePreviewer) styPreviewer).setStyle(clonedClass.getLabelStyle());

                txtName.setText(clonedClass.getName());

                // String expr = lc.getStringLabelExpression();

                /*

                String EOExpr = LabelExpressionParser.tokenFor(LabelExpressionParser.EOEXPR);

                if (expr == null)

                        expr = EOExpr;

                expr = expr.trim();

                if (!expr.endsWith(EOExpr)) {

                        throw new Error("Invalid expression. Missing EOExpr token ("+EOExpr+").\n"+expr);

                }

                expr = expr.substring(0, expr.length()-1);

                */

                // expr = expr.trim();

                ITextSymbol lcTextSymbol = lc.getTextSymbol();

                ITextSymbol clonedSymbol = null;

                try {

                        clonedSymbol = (ITextSymbol) lcTextSymbol.clone();

                } catch (CloneNotSupportedException e) {

                        logger.error("While clonin.", e);

                }

                textStyle.setModel(

                                clonedSymbol, //lc.getTextSymbol(),

                                lc.getUnit(),

                                lc.getReferenceSystem());

                getTableFields().setRowHeight(22);

                getTableFields().setModel(new FieldTableExpressions(lc.getLabelExpressions()));

                TableColumnModel colMod = getTableFields().getColumnModel();

                colMod.getColumn(0).setPreferredWidth(100);

                colMod.getColumn(0).setWidth(100);

                colMod.getColumn(1).setResizable(true);

                colMod.getColumn(1).setPreferredWidth(513);

                FeatureAttributeDescriptor[] atts = null;

                try {

                        atts = featureStore.getDefaultFeatureType().getAttributeDescriptors();

                } catch (DataException e) {

                        logger.error("While getting attributes.", e);

                }

                getTableFields().setDefaultEditor(

                                Object.class,

                                new DefaultEditor(atts));

                repaint();

                actionPerformed(new ActionEvent(this, 0, null));

        }

        public JComponent asJComponent() {

            return this;

        }

        public void showDialog() {

            ApplicationLocator.getManager().getUIManager().addWindow(this);

        }

        private class DefaultEditor extends AbstractCellEditor implements

                        TableCellEditor, ActionListener {

                JPanel editor;

                LabelExpressionEditorPanel dialog;

                private JTextField text;

                private JButton button;

                protected static final String EDIT = "edit";

                public DefaultEditor(FeatureAttributeDescriptor[] atts) {

                        editor = new JPanel();

                        editor.setLayout(new GridBagLayout());

                        GridBagConstraints cons = new GridBagConstraints();

//                        cons.anchor = GridBagConstraints.FIRST_LINE_START;

                        cons.fill = cons.BOTH;

                        cons.weightx=1.0;

                        cons.weighty =1.0;

                        text = new JTextField();

                        editor.add(text, cons);

                        GridBagConstraints cons1 = new GridBagConstraints();

//                        cons.anchor = GridBagConstraints.FIRST_LINE_END;

                        cons1.fill = cons1.VERTICAL;

                        cons1.weighty =1.0;

//                        cons.gridheight = GridBagConstraints.REMAINDER;

                        button = new JButton("...");

                        button.setActionCommand(DefaultEditor.EDIT);

                        button.addActionListener(this);

                        editor.add(button,cons1);

                        editor.updateUI();

                        // Set up the dialog that the button brings up.

                        dialog = new LabelExpressionEditorPanel(atts);

                }

                public void actionPerformed(ActionEvent e) {

                        if (EDIT.equals(e.getActionCommand())) {

                                dialog.setValue(text.getText());

                                ApplicationLocator.getManager().getUIManager().addWindow(dialog);

                                //fireEditingStopped(); // Make the renderer reappear.

                                text.setText(dialog.getValue());

                        }

                }

                // Implement the one CellEditor method that AbstractCellEditor doesn't.

                public Object getCellEditorValue() {

                        return text.getText();

                }

                // Implement the one method defined by TableCellEditor.

                public Component getTableCellEditorComponent(JTable table,

                                Object value, boolean isSelected, int row, int column) {

                        text.setText((String) value);

                        return editor;

                }

        }

        public WindowInfo getWindowInfo() {

                WindowInfo wi = new WindowInfo(WindowInfo.MODALDIALOG

                                | WindowInfo.RESIZABLE);

                wi.setTitle(Messages.getText("label_class_properties"));

                wi.setWidth(getPreferredSize().width + 8);

                wi.setHeight(getPreferredSize().height);

                return wi;

        }

        public Object getWindowProfile() {

                return WindowInfo.DIALOG_PROFILE;

        }

        /*

         * Return a hashtable with example values.

         * Only for verification purposes.

        private Hashtable<String, Value> getValuesTable(String[] fNames, int[] fTypes) {

                Hashtable<String, Value> parser_symbol_table = new Hashtable<String, Value>();

                Random rand = new Random();

                byte b = 0;

            short s = (short)rand.nextInt(Short.MAX_VALUE);

            int i = rand.nextInt();

                long l = rand.nextLong();

                boolean bool = rand.nextBoolean();

                float f = rand.nextFloat();

                double d = rand.nextDouble();

                for (int j = 0; j < fNames.length; j++) {

                        Value value=null;

                        int type = fTypes[j];

            switch (type) {

            case Types.BIGINT:

                value = ValueFactory.createValue(l);

                break;

            case Types.BIT:

            case Types.BOOLEAN:

                value = ValueFactory.createValue(bool);

                break;

            case Types.CHAR:

            case Types.VARCHAR:

            case Types.LONGVARCHAR:

                value = ValueFactory.createValue("");

                break;

            case Types.DATE:

                Date auxDate = new Date();

                    if (auxDate != null){

                    value = ValueFactory.createValue(auxDate);

                    }

                break;

            case Types.DECIMAL:

            case Types.NUMERIC:

            case Types.FLOAT:

            case Types.DOUBLE:

                value = ValueFactory.createValue(d);

                break;

            case Types.INTEGER:

                value = ValueFactory.createValue(i);

                break;

            case Types.REAL:

                value = ValueFactory.createValue(f);

                break;

            case Types.SMALLINT:

                value = ValueFactory.createValue(s);

                break;

            case Types.TINYINT:

                value = ValueFactory.createValue(b);

                break;

            case Types.BINARY:

            case Types.VARBINARY:

            case Types.LONGVARBINARY:

                byte[] auxByteArray = {b}; //new byte[1];

                value = ValueFactory.createValue(auxByteArray);

                break;

            case Types.TIMESTAMP:

                           value = ValueFactory.createValue(new Timestamp(l));

                break;

            case Types.TIME:

                    value = ValueFactory.createValue(new Time(l));

                break;

            default:

                    value = ValueFactory.createValue("");

                    break;

        }

                        parser_symbol_table.put(fNames[j], value);

                }

                return parser_symbol_table;

        }

                 */

        /*

        private boolean verifyExpresion(String expresion, Hashtable<String, Value> symbols){

                LabelExpressionParser parser;

                try {

                        parser = new LabelExpressionParser(new StringReader(expresion),symbols);

                        parser.LabelExpression();

                        Expression expr = ((Expression)parser.getStack().pop());

                        expr.evaluate();

                } catch (ExpressionException e2) {

                        return false;

                } catch (Exception e3) {

                        return false;

                }

                return true;

        }

        */

        private boolean verifyExpressions(){

                String[] expressions = ((FieldTableExpressions) getTableFields().getModel()).getExpression();

                if(expressions.length == 1 && expressions[0].equals("")){

                        return true;

                }

                boolean result = true;

                String message = "";

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

                        String expresion = expressions[i];

                        if( !LabelClassUtils.validExpression(expresion, featureStore, false) ){

                                result = false;

                                if(message.compareTo("")!=0){

                                        message = message +        " , " + (i+1);

                                } else {

                                        message = " " + Messages.getText("at_fields")+" "+(i+1);

                                }

                        }

                }

                message = message +".";

                if(!result){

                        JOptionPane.showMessageDialog(

                                        ApplicationLocator.getManager().getRootComponent(),

                                        Messages.getText("malformed_or_empty_expression") + message,

                                        Messages.getText("verify"),

                                        JOptionPane.ERROR_MESSAGE);

                } else {

                        JOptionPane.showMessageDialog(

                                        ApplicationLocator.getManager().getRootComponent(),

                                        Messages.getText("_Expressions_are_correct"),

                                        Messages.getText("verify"),

                                        JOptionPane.INFORMATION_MESSAGE);

                }

                return result;

        }

        public boolean isAccepted(){

                return accepted;

        }

        public void doCancel() {

            accepted = false;

            setLabelClass(lc);        

        }

        public void doAccept() {

            if (rdBtnFilteredFeatures.isSelected()) {

                String sqlstr = txtSQL.getText();

                if (!validVisibleSQL(sqlstr, featureStore)) {

                    JOptionPane.showMessageDialog(

                            ApplicationLocator.getManager().getRootComponent(),

                            Messages.getText("error_validating_filter_query")

                            + ":\n\n'" + sqlstr + "'",

                            Messages.getText("filtered_features"),

                            JOptionPane.ERROR_MESSAGE);

                    return;

                }

            }

            clonedClass.setUnit(textStyle.getUnit());

            clonedClass.setReferenceSystem(textStyle.getReferenceSystem());

            clonedClass.setTextSymbol(textStyle.getTextSymbol());

            lc = clonedClass;

            accepted = true;

        }

        public void actionPerformed(ActionEvent e) {

                setComponentEnabled(sqlPnl, rdBtnFilteredFeatures.isSelected());

                applySettings();

                if ("OK".equals(e.getActionCommand())) {

                        doAccept();

                        try {

                                ApplicationLocator.getManager().getUIManager().closeWindow(this);

                        } catch (Exception ex) {

                                // this only happens when running this as stand-alone app

                                // from main method;

                                logger.warn("While closing window.", ex);

                        }

                } else if ("CANCEL".equals(e.getActionCommand())) {

                        doCancel();

                        try {

                                ApplicationLocator.getManager().getUIManager().closeWindow(this);

                        } catch (Exception ex) {

                                // this only happens when running this as stand-alone app

                                // from main method;

                                logger.warn("While closing window.", ex);

                        }

                } else if (CLEAR_STYLE.equals(e.getActionCommand())) {

                        clonedClass.setLabelStyle(null);

//                        styPreviewer.setStyle(null);

                        ((StylePreviewer) styPreviewer).setStyle(null);

                } else if (TEST_SQL.equals(e.getActionCommand())) {

                        logger.info("TEST_SQL = " + TEST_SQL);

                } else if (DELETE_FIELD.equals(e.getActionCommand())) {

                        int[] rowInd = getTableFields().getSelectedRows();

                        for (int i = rowInd.length-1; i >= 0 ; i--) {

                                delField(rowInd[i]);

                        }

                        clonedClass.setLabelExpressions(((FieldTableExpressions) getTableFields().getModel()).getExpression());

                        setLabelClass(clonedClass);

                } else if (VERIFY.equals(e.getActionCommand())) {

                        verifyExpressions();

                } else if (ADD_FIELD.equals(e.getActionCommand())) {

                        addField();

                } else if (SELECT_STYLE.equals(e.getActionCommand())) {

                        IStyle myStyle = ((StylePreviewer)styPreviewer).getStyle();

                        FeatureType fty = null;

                        try {

                                fty = featureStore.getDefaultFeatureType();

                        } catch (DataException e1) {

                                logger.error("While getting feat type.", e1);

                        }

                        int geotype = fty.getDefaultGeometryAttribute().getGeomType().getType();

                        SingleStyleSelectorFilter filter =

                                        new SingleStyleSelectorFilter(ILabelStyle.class);

                        StyleSelector stySel = null;

                        try {

                                stySel = new StyleSelector(myStyle, geotype, filter);

                        } catch (IllegalArgumentException iae) {

                                JOptionPane.showMessageDialog(this,

                                                Messages.getText("_Option_not_available_for_this_geometry_type"),

                                                getWindowInfo().getTitle(),

                                                JOptionPane.WARNING_MESSAGE);

                                return;

                        }

                        ApplicationLocator.getManager().getUIManager().addWindow(stySel);

                        ILabelStyle sty = (ILabelStyle) stySel.getSelectedObject();

                        if (sty != null) {

                                // gather the style and apply to the class

                                clonedClass.setLabelStyle(sty);

                                clonedClass.setUnit(stySel.getUnit());

                                clonedClass.setReferenceSystem(stySel.getReferenceSystem());

                                setLabelClass(clonedClass);

                        }

//                        styPreviewer.setStyle(sty);

                        ((StylePreviewer) styPreviewer).setStyle(sty);

                }else if (e.getSource().equals(rdBtnAllFeatures) || e.getSource().equals(rdBtnFilteredFeatures)){

                        clonedClass.setUseSqlQuery(rdBtnFilteredFeatures.isSelected());

                }

                repaint();

        }

        private boolean validVisibleSQL(String sqlstr, FeatureStore fsto) {

            return LabelClassUtils.validExpression(sqlstr, fsto, true);

    }

    private void applySettings() {

                clonedClass.setVisible(chkLabelFeatures.isSelected());

                clonedClass.setName(txtName.getText());

                if (rdBtnFilteredFeatures.isSelected()) {

                    clonedClass.setSQLQuery(txtSQL.getText());

                } else {

                    clonedClass.setSQLQuery("");

                }

                JTable tableFields=getTableFields();

                TableCellEditor cellEditor=tableFields.getCellEditor();

                if(cellEditor != null){

                        int row = tableFields.getEditingRow();

                        int column = tableFields.getEditingColumn();

                        cellEditor.stopCellEditing();

                        Object value = cellEditor.getCellEditorValue();

                        if (value != null) {

                                ((FieldTableExpressions) tableFields.

                                                getModel()).setValueAt(value, row, column);

                        }

                }

                clonedClass.setLabelExpressions(

                                ((FieldTableExpressions) tableFields.

                                                getModel()).getExpression());

                clonedClass.setTextSymbol(textStyle.getTextSymbol());

        }

        private void addField() {

                addField("");

        }

        private void addField(String fieldExpr) {

                FieldTableExpressions m = ((FieldTableExpressions) getTableFields().getModel());

                m.addRow(new Object[] { m.getRowCount()+1, fieldExpr });

        }

        private void delField(int fieldIndex) {

                try {

                        ((FieldTableExpressions) getTableFields().getModel()).removeRow(fieldIndex);

                } catch (ArrayIndexOutOfBoundsException ex) {}

        }

        public ILabelClass getLabelClass() {

                return lc;

        }

        private static final Object[] TABLE_HEADERS = new String[] {

                Messages.getText("field_number"),

                Messages.getText("label_expression")

        };

        /*

        private static String fieldSeparator =

        LabelExpressionParser.tokenImage[LabelExpressionParser.EOFIELD].replaceAll("\"", "");

        */

        private class FieldTableExpressions extends DefaultTableModel {

                private static final long serialVersionUID = 2002427714889477770L;

                public FieldTableExpressions(String[] expressions) {

                        super();

                        if(expressions != null && expressions.length > 0){

                                Integer[] aux = new Integer[expressions.length];

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

                                        aux[i] = i+1;

                                }

                                Object[][] values = new Object[aux.length][2];

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

                                        values[i][0] = aux[i];

                                        values[i][1] = expressions[i];

                                }

                                setDataVector(values, TABLE_HEADERS);

                        }

                        else{

                                Object[][] values = new Object[1][2];

                                values[0][0] = 1;

                                values[0][1] = "";

                                setDataVector(values,TABLE_HEADERS);

                        }

                }

                @Override

                public boolean isCellEditable(int row, int column) {

                        return column == 1;

                }

                public String[] getExpression() {

                        String[] expressions = new String[getRowCount()];

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

                                expressions[i] = ""+(String) getValueAt(i,1);

                        }

                        return expressions;

                }

        }

//        public static void main(String[] args) {

//                JFrame f = new JFrame("Test LabelClassProperties panel");

//

//                String xmlString =

//                        "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" +

//                        "<xml-tag xmlns=\"http://www.gvsig.gva.es\">\n" +

//                        "    <property key=\"className\" value=\"com.iver.cit.gvsig.fmap.rendering.styling.labeling.LabelClass\"/>\n" +

//                        "    <property key=\"isVisible\" value=\"false\"/>\n" +

//                        "    <property key=\"name\" value=\"Default\"/>\n" +

//                        "    <property key=\"labelExpression\" value=\"[TIPO] : lao39805502232 : Substring([MOTO], 2,2);\"/>\n" +

//                        "    <property key=\"unit\" value=\"-1\"/>\n" +

//                        "    <property key=\"referenceSystem\" value=\"0\"/>\n" +

//                        "    <property key=\"sqlQuery\" value=\"TIPO = 'C'\"/>\n" +

//                        "    <property key=\"priority\" value=\"0\"/>\n" +

//                        "    <xml-tag>\n" +

//                        "        <property key=\"className\" value=\"org.gvsig.symbology.fmap.styles.SimpleLabelStyle\"/>\n" +

//                        "        <property key=\"desc\" value=\"Placa Carrer VLC.style\"/>\n" +

//                        "        <property key=\"markerPointX\" value=\"0.0\"/>\n" +

//                        "        <property key=\"markerPointY\" value=\"0.0\"/>\n" +

//                        "        <property key=\"minXArray\" value=\"0.35 ,0.25\"/>\n" +

//                        "        <property key=\"minYArray\" value=\"0.15 ,0.5\"/>\n" +

//                        "        <property key=\"widthArray\" value=\"0.5 ,0.6\"/>\n" +

//                        "        <property key=\"heightArray\" value=\"0.27 ,0.37\"/>\n" +

//                        "        <property key=\"id\" value=\"labelStyle\"/>\n" +

//                        "        <xml-tag>\n" +

//                        "            <property key=\"className\" value=\"org.gvsig.symbology.fmap.styles.RemoteFileStyle\"/>\n" +

//                        "            <property key=\"source\" value=\"http://www.boomlapop.com/boomlapop.jpg\"/>\n" +

//                        "            <property key=\"desc\"/>\n" +

//                        "            <property key=\"id\" value=\"LabelStyle\"/>\n" +

//                        "        </xml-tag>\n" +

//                        "    </xml-tag>\n" +

//                        "    <xml-tag>\n" +

//                        "        <property key=\"className\" value=\"com.iver.cit.gvsig.fmap.core.symbols.SimpleTextSymbol\"/>\n" +

//                        "        <property key=\"desc\"/>\n" +

//                        "        <property key=\"isShapeVisible\" value=\"true\"/>\n" +

//                        "        <property key=\"font\" value=\"Arial\"/>\n" +

//                        "        <property key=\"fontStyle\" value=\"1\"/>\n" +

//                        "        <property key=\"size\" value=\"12\"/>\n" +

//                        "        <property key=\"text\" value=\"GeneralLabeling.sample_text\"/>\n" +

//                        "        <property key=\"textColor\" value=\"255,255,0,255\"/>\n" +

//                        "        <property key=\"unit\" value=\"-1\"/>\n" +

//                        "        <property key=\"referenceSystem\" value=\"0\"/>\n" +

//                        "        <property key=\"id\" value=\"TextSymbol\"/>\n" +

//                        "    </xml-tag>\n" +

//                        "</xml-tag>\n" +

//                        "";

//

//                LabelClass lc = null;

//                try {

//                        XMLEntity xml = new XMLEntity((XmlTag) XmlTag.unmarshal(

//                                        XMLEncodingUtils.getReader(new ByteArrayInputStream(xmlString.getBytes()))));

//                        lc = new LabelClass();

//                        lc.setXMLEntity(xml);

//                } catch (Exception e) {

//                        e.printStackTrace();

//                }

//                String[] names = new String[] { "Field1", "Field2", "Field3"        };

//                int[] types = new int[] { Types.VARCHAR, Types.INTEGER, Types.DOUBLE };

//                final LabelClassProperties lcp = new LabelClassProperties(

//                                names, types ) {

//                        private static final long serialVersionUID = -1843509415649666459L;

//

//                        @Override

//                        public void actionPerformed(ActionEvent e) {

//                                super.actionPerformed(e);

//                                if ("OK".equals(e.getActionCommand())) {

//                                        Sys tem.out.println(getLabelClass().getXMLEntity());

//                                }

//                        }

//                };

//                lcp.setLabelClass(lc);

//                f.setContentPane(lcp);

//                f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//                f.pack();

//                f.setVisible(true);

//

//        }

}