Application: gvSIG desktop

/*

 * Created on 26-abr-2005

 *

 * 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.gui.styling;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.Font;

import java.awt.GridLayout;

import java.awt.Point;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.FocusEvent;

import java.awt.event.FocusListener;

import java.awt.event.InputEvent;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import java.awt.event.MouseMotionListener;

import java.io.File;

import javax.swing.BorderFactory;

import javax.swing.BoxLayout;

import javax.swing.JComponent;

import javax.swing.JLabel;

import javax.swing.JList;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JSplitPane;

import javax.swing.JTextField;

import javax.swing.JToggleButton;

import javax.swing.ListCellRenderer;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import javax.swing.event.TreeSelectionListener;

import javax.swing.tree.DefaultMutableTreeNode;

import org.gvsig.gui.beans.AcceptCancelPanel;

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

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

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

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

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

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

import com.iver.andami.PluginServices;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.andami.ui.mdiManager.IWindowListener;

import com.iver.andami.ui.mdiManager.WindowInfo;

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

import com.iver.cit.gvsig.fmap.core.FPoint2D;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

import com.iver.cit.gvsig.gui.JComboBoxUnits;

import com.iver.cit.gvsig.gui.panels.ColorChooserPanel;

import com.iver.cit.gvsig.project.documents.view.legend.gui.ISymbolSelector;

/**

 * Creates the panel where the user has the options to select a symbol.

 * Apart from the option to select one, the user will have a previsualization

 * of all the symbols stored and posibilities to modify an existing one, to create

 * a new symbol and so on.

 *

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 */

public class SymbolSelector extends JPanel implements ISymbolSelector, ActionListener, FocusListener, IWindowListener{

        private static final long serialVersionUID = -6405660392303659551L;

        private JPanel jPanel = null;

        protected JScrollPane jScrollPane = null;

        private JScrollPane jScrollPane1 = null;

        private WindowInfo wi;

        private JSplitPane jSplitPane = null;

        protected AcceptCancelPanel okCancelPanel;

        private JPanel northPanel;

        private ColorChooserPanel jcc1;

        private ColorChooserPanel jcc2;

        private JIncrementalNumberField txtSize;

        private JIncrementalNumberField txtAngle;

        private JPanel jPanelButtons;

        private JButton btnProperties;

        private int shapeType;

        private JButton btnSaveSymbol;

        private JButton btnResetSymbol;

        private JButton btnNewSymbol;

        private JComboBoxFonts cmbFonts;

        private JToggleButton btnBold;

        private JToggleButton btnItalic;

        private JToggleButton btnUnderlined;

        protected JLabel lblTitle;

        protected File dir;

        protected File rootDir;

        protected JComponent jPanelPreview = null;

        protected GridBagLayoutPanel jPanelOptions = null;

        protected JList jListSymbols = null;

        protected String treeRootName;

        protected ILibraryModel library;

        private JIncrementalNumberField txtWidth;

        protected boolean act = true;

        protected boolean accepted = false;

        private String wiTitle = null;

        protected SelectorFilter sFilter = new SelectorFilter() {

                private final IGeometry dummyPointGeom = ShapeFactory.createPoint2D(new FPoint2D());

                private final IGeometry dummyLineGeom = ShapeFactory.createPolyline2D(new GeneralPathX());

                private final IGeometry dummyPolygonGeom = ShapeFactory.createPolygon2D(new GeneralPathX());

                public boolean accepts(Object obj) {

                        if (obj instanceof ISymbol) {

                                ISymbol sym = (ISymbol) obj;

                                IGeometry compareGeometry = null;

                                switch (SymbolSelector.this.shapeType) {

                                case FShape.TEXT:

                                        return sym instanceof ITextSymbol;

                                case FShape.POINT:

                                        compareGeometry = dummyPointGeom;

                                        break;

                                case FShape.LINE:

                                        compareGeometry = dummyLineGeom;

                                        break;

                                case FShape.POLYGON:

                                        compareGeometry = dummyPolygonGeom;

                                        break;

                                }

                                return sym.isSuitableFor(compareGeometry);

                        }

                        return false;

                }

        };

        protected JComboBoxUnits cmbUnits;

        protected JComboBoxUnitsReferenceSystem cmbReferenceSystem;

        private JComboBoxFontSizes cmbFontSize;

        protected LibraryBrowser libraryBrowser;

        private boolean showAcceptPanel;

        /**

         * Constructor method

         *

         * @param currentElement

         * @param shapeType

         */

        private SymbolSelector(Object currentElement, int shapeType, boolean initialize, boolean showAcceptPanel) {

                super();

                // TODO  09/08/07 check the currentElement type is suitable for the shapeType specified

                if (currentElement != null && currentElement instanceof ISymbol) {

                        ISymbol sym = (ISymbol) currentElement;

                        currentElement = SymbologyFactory.createSymbolFromXML(

                                        sym.getXMLEntity(), "");

                        String desc = sym.getDescription();

//                        desc = " ("+PluginServices.getText(this, "current")+")";

//                        ((ISymbol)currentElement).setDescription(desc);

                }

                // for symbols MULTIPOINT is the same than POINT

                if (shapeType == FShape.MULTIPOINT) shapeType = FShape.POINT;

                //Remove the M or the Z coordinate

                switch (shapeType) {

                case FShape.POINT | FShape.Z:

                case FShape.POINT | FShape.M:

                        this.shapeType = FShape.POINT;

                        break;

                case FShape.LINE | FShape.Z:

                case FShape.LINE | FShape.M:

                        this.shapeType = FShape.LINE;

                        break;

                case FShape.POLYGON | FShape.Z:

                case FShape.POLYGON | FShape.M:

                        this.shapeType = FShape.POLYGON;

                        break;

                default:

                        this.shapeType = shapeType;

                }

//                Preferences prefs = Preferences.userRoot().node( "gvsig.foldering" );

                rootDir = new File(SymbologyFactory.SymbolLibraryPath);

//                prefs.get("SymbolLibraryFolder", System.getProperty("user.home")+"/gvSIG/Symbols"));

                if (!rootDir.exists())

                        rootDir.mkdir();

                treeRootName = PluginServices.getText(this, "symbol_library");

                this.showAcceptPanel = showAcceptPanel;

                try {

                        if (initialize)

                                initialize(currentElement);

                } catch (ClassNotFoundException e) {

                        throw new Error(e);

                }

        }

        /**

         * Constructor method, it is <b>protected</b> by convenience to let StyleSelector

         * to invoke it, but rigorously it should be <b>private</b>.

         *

         * @param symbol

         * @param shapeType

         * @param filter

         */

        protected SymbolSelector(Object symbol, int shapeType, SelectorFilter filter, boolean initialize) {

                this(symbol, shapeType, initialize, true);

                sFilter = filter;

        }

        /**

         * Constructor method, it is <b>protected</b> by convenience to let StyleSelector

         * to invoke it, but rigorously it should be <b>private</b>.

         *

         * @param symbol

         * @param shapeType

         * @param filter

         */

        protected SymbolSelector(Object symbol, int shapeType, SelectorFilter filter, boolean initialize, boolean showAcceptPanel) {

                this(symbol, shapeType, initialize, showAcceptPanel);

                sFilter = filter;

        }

        /**

         * This method initializes this

         * @param currentElement

         * @throws ClassNotFoundException

         *

         */

        protected void initialize(Object currentElement) throws ClassNotFoundException {

                library = new SymbolLibrary(rootDir);

                this.setLayout(new BorderLayout());

                this.setSize(400, 221);

                this.add(getJNorthPanel(), BorderLayout.NORTH);

                this.add(getJSplitPane(), BorderLayout.CENTER);

                this.add(getJEastPanel(), BorderLayout.EAST);

                ActionListener okAction = new ActionListener() {

                        public void actionPerformed(ActionEvent e) {

                                accepted = true;

                                PluginServices.getMDIManager().closeWindow(SymbolSelector.this);

                        }

                }, cancelAction = new ActionListener() {

                        public void actionPerformed(ActionEvent e) {

                                accepted = false;

//                                ((SymbolPreviewer) jPanelPreview).setSymbol(null);

                                PluginServices.getMDIManager().closeWindow(SymbolSelector.this);

                        }

                };

                if(showAcceptPanel){

                        okCancelPanel = new AcceptCancelPanel();

                        okCancelPanel.setOkButtonActionListener(okAction);

                        okCancelPanel.setCancelButtonActionListener(cancelAction);

                        this.add(okCancelPanel, BorderLayout.SOUTH);

                }

                libraryBrowser.setSelectionRow(0);

                SillyDragNDropAction dndAction = new SillyDragNDropAction();

                libraryBrowser.addMouseListener(dndAction);

                libraryBrowser.addMouseMotionListener(dndAction);

                getJListSymbols().addMouseListener(dndAction);

                getJListSymbols().addMouseMotionListener(dndAction);

                setSymbol(currentElement);

        }

        /**

         * Creates a new symbol selector list model in order to allow the user

         * to select an existing symbol previously created.

         *

         * @return listModel SymbolSelectorListModel

         */

        protected SymbolSelectorListModel newListModel() {

                SymbolSelectorListModel listModel = new SymbolSelectorListModel(

                                dir,

                                sFilter,

                                SymbolLibrary.SYMBOL_FILE_EXTENSION);

                return listModel;

        }

        /**

         * Initializes tha JNorthPanel.

         *

         * @return northPanel JPanel

         * @throws IllegalArgumentException

         */

        protected JPanel getJNorthPanel() throws IllegalArgumentException {

                if (northPanel == null) {

                        String text = "";

                        switch (shapeType) {

                        case FShape.POINT:

                        case FShape.POINT | FShape.Z:

                        case FShape.POINT | FShape.M:

                                text = PluginServices.getText(this, "point_symbols");

                                break;

                        case FShape.LINE:

                        case FShape.LINE | FShape.Z:

                        case FShape.LINE | FShape.M:

                                text = PluginServices.getText(this, "line_symbols");

                                break;

                        case FShape.POLYGON:

                        case FShape.POLYGON | FShape.Z:

                        case FShape.POLYGON | FShape.M:

                                text = PluginServices.getText(this, "polygon_symbols");

                                break;

                        case FShape.TEXT:

                                text = PluginServices.getText(this, "text_symbols");

                                break;

                        default:

                                throw new IllegalArgumentException(PluginServices.getText(this, "shape_type_not_yet_supported"));

                        }

                        northPanel = new JPanel(new FlowLayout(FlowLayout.LEADING));

                        lblTitle = new JLabel(text);

                        lblTitle.setFont(lblTitle.getFont().deriveFont(Font.BOLD));

                        northPanel.add(lblTitle);

                }

                return northPanel;

        }

        /**

         * This method initializes jList

         *

         * @return javax.swing.JList

         */

        protected JList getJListSymbols() {

                if (jListSymbols == null) {

                        jListSymbols = new JList() ;

                        jListSymbols.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);

                        jListSymbols.setLayoutOrientation(JList.HORIZONTAL_WRAP);

                        jListSymbols.setVisibleRowCount(-1);

                        jListSymbols.addListSelectionListener(new ListSelectionListener() {

                                public void valueChanged(ListSelectionEvent e) {

                                        if (jListSymbols.getSelectedValue()!=null) {

                                                ISymbol selSym = SymbologyFactory.createSymbolFromXML(

                                                                ((ISymbol) jListSymbols.getSelectedValue()).getXMLEntity(), null);

                                                setSymbol(selSym);

                                                updateOptionsPanel();

                                        }

                                }

                        });

                        ListCellRenderer renderer = new ListCellRenderer() {

                                private Color mySelectedBGColor = new Color(255,145,100,255);

                                public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {

                                        ISymbol sym = (ISymbol) value;

                                        JPanel pnl = new JPanel();

                                        BoxLayout layout = new BoxLayout(pnl, BoxLayout.Y_AXIS);

                                        pnl.setLayout(layout);

                                        Color bgColor = (isSelected) ? mySelectedBGColor

                                                        : getJListSymbols().getBackground();

                                        pnl.setBackground(bgColor);

                                        SymbolPreviewer sp = new SymbolPreviewer();

                                        sp.setAlignmentX(Component.CENTER_ALIGNMENT);

                                        sp.setPreferredSize(new Dimension(50, 50));

                                        sp.setSymbol(sym);

                                        sp.setBackground(bgColor);

                                        pnl.add(sp);

                                        String desc = sym.getDescription();

                                        if (desc == null) {

                                                desc = "["+PluginServices.getText(this, "no_desc")+"]";

                                        }

                                        JLabel lbl = new JLabel(desc);

                                        lbl.setBackground(bgColor);

                                        lbl.setAlignmentX(Component.CENTER_ALIGNMENT);

                                        pnl.add(lbl);

                                        return pnl;

                                }

                        };

                        jListSymbols.setCellRenderer(renderer);

                }

                return jListSymbols;

        }

        /**

         * Updates the options panel depending on the type of symbol that the user

         * is controlling or using to show specific options for each one.

         *

         */

        protected void updateOptionsPanel() throws IllegalArgumentException {

                Object mySelectedElement = ((SymbolPreviewer) jPanelPreview).getSymbol();

//                if (mySelectedElement == null) return;

                act = false; // disable events

                if (mySelectedElement instanceof CartographicSupport) {

                        CartographicSupport cs = (CartographicSupport) mySelectedElement;

                        cmbUnits.setSelectedUnitIndex(cs.getUnit());

                        cmbReferenceSystem.setSelectedIndex(cs.getReferenceSystem());

                }

                if (mySelectedElement instanceof IMultiLayerSymbol){

                        if (((IMultiLayerSymbol)mySelectedElement).getLayerCount() == 1)

                                mySelectedElement = ((IMultiLayerSymbol)mySelectedElement).getLayer(0);

                }

                try {

                        jcc1.setEnabled(mySelectedElement!=null);

                        jcc2.setEnabled(mySelectedElement!=null);

                        if(mySelectedElement instanceof IMultiLayerSymbol){

                                jcc1.setColor(Color.WHITE);

                                jcc2.setColor(Color.WHITE);

                                jcc1.setEnabled(false);

                                jcc2.setEnabled(false);

                        }

                        if (shapeType == FShape.POINT) {

                                IMarkerSymbol m = (IMarkerSymbol) mySelectedElement;

                                txtSize.setEnabled(m!=null);

                                txtAngle.setEnabled(m!=null);

                                if(m!=null){

                                        jcc1.setColor(m.getColor());

                                        txtSize.setDouble(m.getSize());

                                        txtAngle.setDouble(Math.toDegrees(m.getRotation()));

                                }

                        }

                        if (shapeType == FShape.LINE) {

                                ILineSymbol l = (ILineSymbol) mySelectedElement;

                                txtSize.setEnabled(l!=null);

                                if(l!=null){

                                        jcc1.setColor(l.getColor());

                                        jcc1.setAlpha(l.getAlpha());

                                        txtSize.setDouble(l.getLineWidth());

                                }

                        }

                        if (shapeType == FShape.POLYGON) {

                                IFillSymbol f = (IFillSymbol) mySelectedElement;

                                txtWidth.setEnabled(f!=null);

                                cmbReferenceSystem.setEnabled(f!=null);

                                cmbUnits.setEnabled(f!=null);

                                if (f!=null){

                                        jcc1.setUseColorIsSelected(f.hasFill());

                                        jcc1.setColor(f.getFillColor());

                                        jcc1.setAlpha(f.getFillAlpha());

                                        jcc2.setUseColorIsSelected(f.hasOutline());

                                        ILineSymbol outline = f.getOutline();

                                        if (outline != null) {

                                                jcc2.setColor(outline.getColor());

                                                txtWidth.setDouble(outline.getLineWidth());

                                        }

                                        if(f instanceof MultiLayerFillSymbol){

                                                txtWidth.setEnabled(false);

                                                cmbReferenceSystem.setEnabled(false);

                                                cmbUnits.setEnabled(false);

                                        }

                                }

                        }

                        if (shapeType == FShape.TEXT) {

                                ITextSymbol t = (ITextSymbol) mySelectedElement;

                                cmbFontSize.setEnabled(t!=null);

                                if(t!=null){

                                        jcc1.setColor(t.getTextColor());

                                        Double s = new Double(t.getFont().getSize());

                                        cmbFontSize.setSelectedItem(s);

                                        int i = cmbFontSize.getSelectedIndex();

                                        if (i == -1) {

                                                cmbFontSize.addItem(s);

                                                cmbFontSize.setSelectedItem(s);

                                        }

                                }

                        }

                } catch (NullPointerException npEx) {

                        throw new IllegalArgumentException(npEx);

                } catch (ClassCastException ccEx) {

                        throw new IllegalArgumentException(ccEx);

                }

                act = true;  // enable events

        }

        /**

         * This method initializes jPanel

         *

         * @return javax.swing.JPanel

         */

        protected JPanel getJEastPanel() {

                if (jPanel == null) {

                        jPanel = new JPanel();

                        jPanel.setLayout(new BorderLayout());

                        jPanel.add(getJPanelOptions(), BorderLayout.CENTER);

                        JPanel aux = new JPanel(new FlowLayout(FlowLayout.CENTER, 5, 5));

                        aux.setBorder(BorderFactory.createTitledBorder(null, PluginServices.getText(this, "preview")));

                        aux.add(getJPanelPreview());

                        jPanel.add(aux, BorderLayout.NORTH);

                        jPanel.add(getJPanelOptions());

                        aux = new JPanel(new FlowLayout(FlowLayout.RIGHT, 5, 5));

                        aux.add(getJPanelButtons());

                        jPanel.add(aux, BorderLayout.SOUTH);

                }

                return jPanel;

        }

        private JPanel getJPanelButtons() {

                if (jPanelButtons == null) {

                        jPanelButtons = new JPanel();

                        GridLayout layout = new GridLayout();

                        layout.setColumns(1);

                        layout.setVgap(5);

                        jPanelButtons.add(getBtnNewSymbol());

                        jPanelButtons.add(getBtnSaveSymbol());

                        jPanelButtons.add(getBtnResetSymbol());

                        jPanelButtons.add(getBtnProperties());

                        // do not add components bellow this line!

                        layout.setRows(jPanelButtons.getComponentCount());

                        jPanelButtons.setLayout(layout);

                }

                return jPanelButtons;

        }

        private JButton getBtnNewSymbol() {

                if (btnNewSymbol == null) {

                        btnNewSymbol = new JButton();

                        btnNewSymbol.setName("btnNewSymbol");

                        btnNewSymbol.setText(PluginServices.getText(this, "new"));

                        btnNewSymbol.addActionListener(this);

                }

                return btnNewSymbol;

        }

        private JButton getBtnResetSymbol() {

                if (btnResetSymbol == null) {

                        btnResetSymbol = new JButton();

                        btnResetSymbol.setName("btnResetSymbol");

                        btnResetSymbol.setText(PluginServices.getText(this, "reset"));

                        btnResetSymbol.addActionListener(this);

                }

                return btnResetSymbol;

        }

        private JButton getBtnSaveSymbol() {

                if (btnSaveSymbol == null) {

                        btnSaveSymbol = new JButton();

                        btnSaveSymbol.setName("btnSaveSymbol");

                        btnSaveSymbol.setText(PluginServices.getText(this, "save"));

                        btnSaveSymbol.addActionListener(this);

                }

                return btnSaveSymbol;

        }

        private JButton getBtnProperties() {

                if (btnProperties == null) {

                        btnProperties = new JButton();

                        btnProperties.setName("btnProperties");

                        btnProperties.setText(PluginServices.getText(this, "properties"));

                        btnProperties.addActionListener(this);

                }

                return btnProperties;

        }

        /**

         * This method initializes jScrollPane

         *

         * @return javax.swing.JScrollPane

         * @throws ClassNotFoundException

         */

        protected JScrollPane getLeftJScrollPane() throws ClassNotFoundException {

                if (jScrollPane == null) {

                        jScrollPane = new JScrollPane();

                        jScrollPane.setPreferredSize(new java.awt.Dimension(80,130));

                        jScrollPane.setHorizontalScrollBarPolicy(javax.swing.JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);

                        libraryBrowser = new LibraryBrowser(library);

                        libraryBrowser.addTreeSelectionListener(new TreeSelectionListener() {

                                public void valueChanged(javax.swing.event.TreeSelectionEvent e) {

                                        dir = (File) ((DefaultMutableTreeNode)

                                                        libraryBrowser.getLastSelectedPathComponent()).getUserObject();

                                        if (dir == null) return;

                                        jListSymbols.setModel(newListModel());

//                                        jListSymbols.setSelectedValue(selectedElement, true);

                                }

                        });

                        jScrollPane.setViewportView(libraryBrowser);

                }

                return jScrollPane;

        }

        /**

         * This method initializes jScrollPane1

         *

         * @return javax.swing.JScrollPane

         */

        private JScrollPane getJScrollPane1() {

                if (jScrollPane1 == null) {

                        jScrollPane1 = new JScrollPane();

                        jScrollPane1.setViewportView(getJListSymbols());

                }

                return jScrollPane1;

        }

        /**

         * This method initializes jPanelPreview

         *

         * @return javax.swing.JComponent

         */

        protected JComponent getJPanelPreview() {

                if (jPanelPreview == null) {

                        jPanelPreview = new SymbolPreviewer();

                        jPanelPreview.setPreferredSize(new java.awt.Dimension(100,100));

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

                }

                return jPanelPreview;

        }

        /**

         * This method initializes jPanelOptions

         *

         * @return javax.swing.JPanel

         */

        protected JPanel getJPanelOptions() {

                if (jPanelOptions == null) {

                        jPanelOptions = new GridBagLayoutPanel();

                        jPanelOptions.setBorder(BorderFactory.createTitledBorder(null, PluginServices.getText(this, "options")));

                        jcc2 = new ColorChooserPanel(true,true);

                        jcc2.setAlpha(255);

                        if (shapeType == FShape.POINT) {

                                jcc1 = new ColorChooserPanel(true);

                                jPanelOptions.addComponent(

                                                PluginServices.getText(this, "color")+":", jcc1);

                                jPanelOptions.addComponent(

                                                PluginServices.getText(this, "size")+":",

                                                txtSize = new JIncrementalNumberField(String.valueOf(3), 3, 0, Double.MAX_VALUE, 1));

                                jPanelOptions.addComponent(PluginServices.getText(this, "units")+":",

                                                cmbUnits = new JComboBoxUnits());

                                jPanelOptions.addComponent("",

                                                cmbReferenceSystem = new JComboBoxUnitsReferenceSystem());

                                jPanelOptions.addComponent(

                                                PluginServices.getText(this, "angle")+ " (" +PluginServices.getText(this, "degree")+"):",

                                                txtAngle = new JIncrementalNumberField());

                        } else if (shapeType == FShape.LINE) {

                                jcc1 = new ColorChooserPanel(true);

                                jPanelOptions.addComponent(

                                                PluginServices.getText(this, "color")+":", jcc1);

                                jPanelOptions.addComponent(

                                                PluginServices.getText(this, "width")+":",

                                                txtSize = new JIncrementalNumberField(String.valueOf(3), 3, 0, Double.MAX_VALUE, 1));

                                jPanelOptions.addComponent(PluginServices.getText(this, "units")+":",

                                                cmbUnits = new JComboBoxUnits());

                                jPanelOptions.addComponent("",

                                                cmbReferenceSystem = new JComboBoxUnitsReferenceSystem());

                        } else if (shapeType == FShape.POLYGON) {

                                jcc1 = new ColorChooserPanel(true, true);

                                jPanelOptions.addComponent(

                                                PluginServices.getText(this, "fill_color")+":", jcc1);

                                jPanelOptions.addComponent(

                                                PluginServices.getText(this, "outline_color")+":", jcc2);

                                jPanelOptions.addComponent(

                                                PluginServices.getText(this, "outline_width"),

                                                txtWidth = new JIncrementalNumberField(String.valueOf(3), 3, 0, Double.MAX_VALUE, 1));

                                jPanelOptions.addComponent(PluginServices.getText(this, "units")+":",

                                                cmbUnits = new JComboBoxUnits());

                                jPanelOptions.addComponent("",

                                                cmbReferenceSystem = new JComboBoxUnitsReferenceSystem());

                        } else if (shapeType == FShape.TEXT) {

                                jcc1 = new ColorChooserPanel(true);

                                jPanelOptions.addComponent(

                                                PluginServices.getText(this, "font")+":", getCmbFonts());

                                jPanelOptions.addComponent(

                                                PluginServices.getText(this, "color")+":", jcc1);

                                jPanelOptions.addComponent(PluginServices.getText(this, "size")+":",

                                                cmbFontSize = new JComboBoxFontSizes());

                                jPanelOptions.addComponent(PluginServices.getText(this, "units")+":",

                                                cmbUnits = new JComboBoxUnits());

                                jPanelOptions.addComponent("",

                                                cmbReferenceSystem = new JComboBoxUnitsReferenceSystem());

                                JPanel aux = new JPanel(new FlowLayout(FlowLayout.LEADING,0,1));

                                aux.add(getBtnBold());

                                aux.add(getBtnItalic());

                                aux.add(getBtnUnderlined());

                                jPanelOptions.addComponent(

                                                PluginServices.getText(this, "style")+":", aux);

                        }

                        jcc1.setAlpha(255);

                        if (txtSize != null){

                                txtSize.addActionListener(this);

                                txtSize.addFocusListener(this);

                        }

                        if (cmbUnits != null)                        cmbUnits.addActionListener(this);

                        if (cmbReferenceSystem != null)        cmbReferenceSystem.addActionListener(this);

                        if (jcc1 != null)                                jcc1.addActionListener(this);

                        if (jcc2 != null)                                jcc2.addActionListener(this);

                        if (txtWidth != null)                        txtWidth.addActionListener(this);

                        if (cmbFontSize != null)                cmbFontSize.addActionListener(this);

                        if (txtAngle != null)                        txtAngle.addActionListener(this);

                }

                return jPanelOptions;

        }

        private JToggleButton getBtnUnderlined() {

                if (btnUnderlined == null) {

                        btnUnderlined = new JToggleButton(PluginServices.getIconTheme().

                                        get("underline-icon"));

                }

                return btnUnderlined;

        }

        private JToggleButton getBtnItalic() {

                if (btnItalic == null) {

                        btnItalic = new JToggleButton(PluginServices.getIconTheme().

                                        get("italic-icon"));

                }

                return btnItalic;

        }

        private JToggleButton getBtnBold() {

                if (btnBold == null) {

                        btnBold = new JToggleButton(PluginServices.getIconTheme().

                                        get("bold-icon"));

                }

                return btnBold;

        }

        private JComboBoxFonts getCmbFonts() {

                if (cmbFonts == null) {

                        cmbFonts = new JComboBoxFonts();

                }

                return cmbFonts;

        }

        public WindowInfo getWindowInfo() {

                if (wi == null) {

                        wi = new WindowInfo(WindowInfo.MODALDIALOG | WindowInfo.RESIZABLE);

                        wi.setWidth(706);

                        wi.setHeight(500);

                        if (wiTitle == null){

                                wi.setTitle(PluginServices.getText(this, "symbol_selector"));

                        } else {

                                wi.setTitle(wiTitle);

                        }

                }

                return wi;

        }

        protected JSplitPane getJSplitPane() throws ClassNotFoundException {

                if (jSplitPane == null) {

                        jSplitPane = new JSplitPane();

                        jSplitPane.setDividerLocation(200);

                        jSplitPane.setResizeWeight(0.4);

                        jSplitPane.setLeftComponent(getLeftJScrollPane());

                        jSplitPane.setRightComponent(getJScrollPane1());

                }

                return jSplitPane;

        }

        public Object getSelectedObject() {

                Object mySelectedElement = ((SymbolPreviewer) jPanelPreview).getSymbol();

                // if this symbol only has one layer, then no multilayer is needed

                if (mySelectedElement instanceof IMultiLayerSymbol) {

                        if (((IMultiLayerSymbol) mySelectedElement).getLayerCount()==1)

                                return ((IMultiLayerSymbol) mySelectedElement).getLayer(0);

                }

                if (mySelectedElement instanceof CartographicSupport) {

                        CartographicSupport csSym = (CartographicSupport) mySelectedElement;

                        csSym.setUnit(cmbUnits.getSelectedUnitIndex());

                        csSym.setReferenceSystem(cmbReferenceSystem.getSelectedIndex());

                }

                return mySelectedElement;

        }

        public void setSymbol(Object symbol) {

                ((SymbolPreviewer) jPanelPreview).setSymbol((ISymbol) symbol);

                updateOptionsPanel();

        }

        /**

         * Invoked when the PROPERTIES button is pressed

         */

        protected void propertiesPressed() {

//                boolean state = accepted;

//                accepted = true;

                ISymbol mySelectedElement = ((SymbolPreviewer) jPanelPreview).getSymbol();

                if (mySelectedElement ==null)

                        return;

                ISymbol clonedSymbol = SymbologyFactory.createSymbolFromXML(

                                mySelectedElement.getXMLEntity(), null);

                if(clonedSymbol instanceof IFillSymbol && txtWidth != null){

                        IFillSymbol f = (IFillSymbol) clonedSymbol;

                        ILineSymbol outline = f.getOutline();

                        if (outline!=null)

                                outline.setLineWidth(txtWidth.getDouble());

                }

                if (txtSize != null) {

                        if(clonedSymbol instanceof IMarkerSymbol){

                                IMarkerSymbol m = (IMarkerSymbol) clonedSymbol;

                                m.setSize(txtSize.getDouble());

                        }else if(clonedSymbol instanceof ILineSymbol) {

                                ILineSymbol l = (ILineSymbol) clonedSymbol;

                                l.setLineWidth(txtSize.getDouble());

                        }

                }

                SymbolEditor se = new SymbolEditor(clonedSymbol, shapeType);

                PluginServices.getMDIManager().addWindow(se);

                ISymbol symbol = se.getSymbol();

                if (symbol instanceof IMultiLayerSymbol) {

                        IMultiLayerSymbol mSym = (IMultiLayerSymbol) symbol;

                        if (mSym.getLayerCount() == 1) {

                                symbol =  mSym.getLayer(0);

                        }

                }

                setSymbol(symbol);

//                accepted = state;

        }

        /**

         * Invoked when the NEW button is pressed

         */

        protected void newPressed() {

                SymbolEditor se = new SymbolEditor(null, shapeType);

                PluginServices.getMDIManager().addWindow(se);

                setSymbol(se.getSymbol());

        }

        /**

         * Invoked when the RESET button is pressed

         */

        protected void resetPressed() {

                setSymbol(null);

        }

        /**

         * Invoked when the SAVE button is pressed

         */

        protected void savePressed() {

                if (getSelectedObject() == null)

                        return;

                JFileChooser jfc = new JFileChooser("SYMBOL_SELECTOR_FILECHOOSER", rootDir);

                javax.swing.filechooser.FileFilter ff = new javax.swing.filechooser.FileFilter() {

                        public boolean accept(File f) {

                                return f.getAbsolutePath().

                                toLowerCase().

                                endsWith(SymbolLibrary.SYMBOL_FILE_EXTENSION) || f.isDirectory();

                        }

                        public String getDescription() {

                                return PluginServices.getText(

                                                this, "gvSIG_symbol_definition_file")+ " (*.sym)";

                        }

                };