| gvSIG desktop 1

/*

 * 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.GraphicsEnvironment;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.io.FileFilter;

import java.io.FileWriter;

import java.util.prefs.Preferences;

import javax.swing.BorderFactory;

import javax.swing.BoxLayout;

import javax.swing.ImageIcon;

import javax.swing.JComponent;

import javax.swing.JFileChooser;

import javax.swing.JLabel;

import javax.swing.JList;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JSplitPane;

import javax.swing.JTextField;

import javax.swing.JToggleButton;

import javax.swing.JTree;

import javax.swing.ListCellRenderer;

import javax.swing.ListModel;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import javax.swing.event.TreeModelListener;

import javax.swing.tree.TreeModel;

import javax.swing.tree.TreePath;

import org.exolab.castor.xml.Marshaller;

import org.gvsig.gui.beans.AcceptCancelPanel;

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

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

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

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

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

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.IMultiLayerSymbol;

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

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

import com.iver.utiles.IPersistance;

import com.iver.utiles.StringUtilities;

import com.iver.utiles.XMLEntity;

import com.iver.utiles.swing.JComboBox;

import de.ios.framework.swing.JDecimalField;

import de.ios.framework.swing.JNumberField;

/**

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

 */

public class SymbolSelector extends JPanel implements IWindow{

    private JTree treeFamilies = null;

    private JPanel jPanel = null;

    private JScrollPane jScrollPane = null;

    private JScrollPane jScrollPane1 = null;

    private WindowInfo wi;

        private JSplitPane jSplitPane = null;

        private AcceptCancelPanel okCancelPanel;

        private Object currentElement = null;

        private JPanel northPanel;

        private ColorChooserPanel jcc1;

        private ColorChooserPanel jcc2;

        private JNumberField txtSize;

        private JDecimalField txtAngle;

        private JPanel jPanelButtons;

        private JButton btnProperties;

        private int shapeType;

        private JButton btnSaveSymbol;

        private JButton btnResetSymbol;

        private ActionListener buttonListener = new MyButtonListener();

        private JButton btnNewSymbol;

        private JComboBox cmbFonts;

        private JToggleButton btnBold;

        private JToggleButton btnItalic;

        private JToggleButton btnUnderlined;

        protected JLabel lblTitle;

        protected File dir;

        protected Object selectedElement = null;

        protected File rootDir;

        protected JComponent jPanelPreview = null;

    protected GridBagLayoutPanel jPanelOptions = null;

    protected JList jListSymbols = null;

    protected String treeRootName;

    private JDecimalField txtWidth;

        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.POINT:

                                        compareGeometry = dummyPointGeom;

                                        break;

                                case FShape.LINE:

                                        compareGeometry = dummyLineGeom;

                                        break;

                                case FShape.POLYGON:

                                        compareGeometry = dummyPolygonGeom;

                                        break;

                                }

                                return sym.isSuitableFor(compareGeometry);

                        }

                        return false;

                }

        };

        private JLineStyleComboBox cmbLineStyles;

        public SymbolSelector(Object currentElement, int shapeType) {

            super();

            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);

            }

            this.selectedElement = currentElement;

            this.shapeType = shapeType;

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

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

                if (!rootDir.exists())

                        rootDir.mkdir();

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

            initialize();

    }

    public SymbolSelector(Object symbol, int shapeType, SelectorFilter filter) {

            this(symbol, shapeType);

            sFilter = filter;

    }

    /**

     * This method initializes this

     *

     */

    private void initialize() {

        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) {

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

                    }

            }, cancelAction = new ActionListener() {

                    public void actionPerformed(ActionEvent e) {

                            setSymbol(null);

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

                    }

            };

        okCancelPanel = new AcceptCancelPanel(okAction, cancelAction);

        this.add(okCancelPanel, BorderLayout.SOUTH);

    }

    protected SelectorListModel newListModel() {

            SelectorListModel listModel = new SelectorListModel(

                            dir,

                            (ISymbol) selectedElement,

                            sFilter,

                            SelectorListModel.SYMBOL_FILE_EXTENSION);

            return listModel;

    }

    private JPanel getJNorthPanel() throws IllegalArgumentException {

                if (northPanel == null) {

                        String text = "";

                        switch (shapeType) {

                        case FShape.POINT:

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

                                break;

                        case FShape.LINE:

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

                                break;

                        case FShape.POLYGON:

                                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

     */

    private JTree getJListFav() {

            if (treeFamilies == null) {

                    treeFamilies = new JTree();

                    treeFamilies.setPreferredSize(new java.awt.Dimension(70,100));

                    try {

                            treeFamilies.setModel(new TreeModel() {

                                    final class MyFile extends File {

                                            public MyFile(String pathname) {

                                                    super(pathname);

                                            }

                                            public String toString() {

                                                    if (this.equals(root))

                                                            return treeRootName;

                                                    String path = getAbsolutePath();

                                                    String prefixToRemove = rootDir.getAbsolutePath();

                                                    path = path.substring(prefixToRemove.length()+1, path.length());

                                                    return path;

                                            }

                                    };

                                    MyFile root = new MyFile(rootDir.getAbsolutePath());

                                    private FileFilter ff = new FileFilter() {

                                            public boolean accept(File pathname) {

                                                    return pathname.isDirectory();

                                            }

                                    };

                                    public Object getRoot() {

                                            return root;

                                    }

                                    public int getChildCount(Object parent) {

                                            return ((File) parent).listFiles(ff).length;

                                    }

                                    public boolean isLeaf(Object node) {

                                            return getChildCount(node)==0;

                                    }

                                    public void addTreeModelListener(TreeModelListener l) {

                                            // TODO Necessite?

                                    }

                                    public void removeTreeModelListener(TreeModelListener l) {

                                            // TODO Necessite?

                                    }

                                    public Object getChild(Object parent, int index) {

                                            return new MyFile(((File) parent).listFiles(ff)[index].getAbsolutePath());

                                    }

                                    public int getIndexOfChild(Object parent, Object child) {

                                            if (parent == null)

                                                    return -1;

                                            File[] files = ((File) parent).listFiles(ff);

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

                                                    if (files[i].equals((File) child))

                                                            return i;

                                            }

                                            return -1;

                                    }

                                    public void valueForPathChanged(TreePath path, Object newValue) {

                                            // TODO Auto-generated method stub

                                    }

                            });

                            treeFamilies.addTreeSelectionListener(new javax.swing.event.TreeSelectionListener() {

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

                                                dir = (File)

                                                treeFamilies.getLastSelectedPathComponent();

                                                if (dir == null) return;

                                                jListSymbols.setModel(newListModel());

                                        }

                                });

                    } catch ( ExceptionInInitializerError ex ) {

                            JOptionPane.showMessageDialog(this, PluginServices.getText(this, "could_not_find_symbol_directory"));

                    }

            }

            return treeFamilies;

    }

    /**

     * 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) {

                            setSymbol((ISymbol) jListSymbols.getSelectedValue());

                            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);

                                    JLabel lbl = new JLabel(sym.getDescription());

                                    lbl.setBackground(bgColor);

                                    lbl.setAlignmentX(Component.CENTER_ALIGNMENT);

                                    pnl.add(lbl);

                                    return pnl;

                            }

                };

                jListSymbols.setCellRenderer(renderer);

            }

            return jListSymbols;

    }

    protected void updateOptionsPanel() {

            ISymbol sym = ((ISymbol) jListSymbols.getSelectedValue());

            if (sym == null)

                    return;

                XMLEntity xml = sym.getXMLEntity();

                Color c = null;

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

                    c = StringUtilities.string2Color(xml.getStringProperty("color"));

            }

                jcc1.setColor(c);

                if (jcc2 == null)

                        return;

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

                    c = StringUtilities.string2Color(xml.getStringProperty("outline"));

                    jcc2.setEnabled(true);

                    jcc2.setColor(c);

            } else {

                    jcc2.setEnabled(false);

            }

        }

        /**

     * This method initializes jPanel

     *

     * @return javax.swing.JPanel

     */

    private 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(buttonListener);

                }

                return btnNewSymbol;

        }

        private JButton getBtnResetSymbol() {

                if (btnResetSymbol == null) {

                        btnResetSymbol = new JButton();

                        btnResetSymbol.setName("btnResetSymbol");

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

                        btnResetSymbol.addActionListener(buttonListener);

                }

                return btnResetSymbol;

        }

        private JButton getBtnSaveSymbol() {

                if (btnSaveSymbol == null) {

                        btnSaveSymbol = new JButton();

                        btnSaveSymbol.setName("btnSaveSymbol");

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

                        btnSaveSymbol.addActionListener(buttonListener);

                }

                return btnSaveSymbol;

        }

        private JButton getBtnProperties() {

                if (btnProperties == null) {

                        btnProperties = new JButton();

                        btnProperties.setName("btnProperties");

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

                        btnProperties.addActionListener(buttonListener);

                }

                return btnProperties;

        }

        /**

     * This method initializes jScrollPane

     *

     * @return javax.swing.JScrollPane

     */

    private JScrollPane getJScrollPane() {

            if (jScrollPane == null) {

                    jScrollPane = new JScrollPane();

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

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

                    jScrollPane.setViewportView(getJListFav());

            }

            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 jPanel1

     *

     * @return javax.swing.JPanel

     */

    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;

    }

    protected JPanel getJPanelOptions() {

            if (jPanelOptions == null) {

                    jPanelOptions = new GridBagLayoutPanel();

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

                    jcc1 = new ColorChooserPanel();

                    jcc2 = new ColorChooserPanel();

                    jcc1.setAlpha(255);

                    jcc2.setAlpha(255);

                    jcc1.addActionListener(buttonListener);

                    jcc2.addActionListener(buttonListener);

                    if (shapeType == FShape.POINT) {

                            jPanelOptions.addComponent(

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

                            jPanelOptions.addComponent(

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

                                            txtSize = new JNumberField());

                            jPanelOptions.addComponent(

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

                                            txtAngle = new JDecimalField());

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

                            jPanelOptions.addComponent(

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

                            jPanelOptions.addComponent(

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

                                            txtSize = new JNumberField());

                            jPanelOptions.addComponent(PluginServices.getText(this, "line_style"), cmbLineStyles = new JLineStyleComboBox());

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

                            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 JDecimalField());

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

                            jPanelOptions.addComponent(

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

                            jPanelOptions.addComponent(

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

                            jPanelOptions.addComponent(

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

                                            txtSize = new JNumberField());

                            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);

                        }

            }

            return jPanelOptions;

    }

    private JToggleButton getBtnUnderlined() {

            if (btnUnderlined == null) {

                        btnUnderlined = new JToggleButton(new ImageIcon(

                                        getClass().getClassLoader().getResource("images/underlined.png")));

                }

                return btnUnderlined;

    }

    private JToggleButton getBtnItalic() {

            if (btnItalic == null) {

                        btnItalic = new JToggleButton(new ImageIcon(

                                        getClass().getClassLoader().getResource("images/italic.png")));

                }

                return btnItalic;

        }

        private JToggleButton getBtnBold() {

            if (btnBold == null) {

                        btnBold = new JToggleButton(new ImageIcon(

                                        getClass().getClassLoader().getResource("images/bold.png")));

                }

                return btnBold;

        }

        private JComboBox getCmbFonts() {

                if (cmbFonts == null) {

//                         Font info is obtained from the current graphics environment.

                        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();

//                        --- Get an array of font names (smaller than the number of fonts)

                        String[] fontNames = ge.getAvailableFontFamilyNames();

                        cmbFonts = new JComboBox(fontNames);

                }

                return cmbFonts;

        }

        public WindowInfo getWindowInfo() {

                if (wi == null) {

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

                        wi.setWidth(706);

                        wi.setHeight(500);

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

                }

                return wi;

        }

        private JSplitPane getJSplitPane() {

                if (jSplitPane == null) {

                        jSplitPane = new JSplitPane();

                        jSplitPane.setDividerLocation(200);

                        jSplitPane.setResizeWeight(0.4);

                jSplitPane.setLeftComponent(getJScrollPane());

                jSplitPane.setRightComponent(getJScrollPane1());

                }

                return jSplitPane;

        }

        /**

         * Returns the symbol selected by the user or null if none. It tries to return

         * the simplest possible symbol that suits the user settings.

         * @return

         */

        public Object getSelectedObject() {

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

                if (selectedElement instanceof IMultiLayerSymbol) {

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

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

                }

                return selectedElement;

        }

        public void setSymbol(Object symbol) {

                selectedElement = symbol;

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

        }

        /**

         * Invoked when the PROPERTIES button is pressed

         */

        protected void propertiesPressed() {

                if (selectedElement ==null)

                        return;

                SymbolEditor se = new SymbolEditor((ISymbol) selectedElement, shapeType);

                PluginServices.getMDIManager().addWindow(se);

                setSymbol(se.getSymbol());

        }

        /**

         * 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(rootDir);

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

                        public boolean accept(File f) {

                                return f.getAbsolutePath().

                                toLowerCase().

                                endsWith(SelectorListModel.SYMBOL_FILE_EXTENSION);

                        }

                        public String getDescription() {

                                return PluginServices.getText(

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

                        }

                };

                jfc.setFileFilter(ff);

                JPanel accessory = new JPanel(new FlowLayout(FlowLayout.LEADING, 5, 5));

                accessory.add(new JLabel(PluginServices.getText(this, "enter_description")));

                JTextField txtDesc = new JTextField(25);

                accessory.add(txtDesc);

                jfc.setAccessory(accessory);

                if (jfc.showSaveDialog(this) == JFileChooser.APPROVE_OPTION) {

                        File targetFile = jfc.getSelectedFile();

                        String fExtension = SelectorListModel.SYMBOL_FILE_EXTENSION;

                        // apply description

                        String desc;

                        if (txtDesc.getText()==null || txtDesc.getText().trim().equals("")) {

                                // default to file name

                                String s = targetFile.getAbsolutePath();

                                desc = s.substring(s.lastIndexOf(File.separator)+1).replaceAll(fExtension, "");

                        } else {

                                desc = txtDesc.getText().trim();

                        }

                        ISymbol s = (ISymbol) getSelectedObject();

                        s.setDescription(desc);

                        // save it

                        XMLEntity xml = s.getXMLEntity();

                        if (!targetFile.

                                        getAbsolutePath().

                                        toLowerCase().

                                        endsWith(fExtension))

                                targetFile = new File(targetFile.getAbsolutePath() + fExtension);

                        FileWriter writer;

                        try {

                                writer = new FileWriter(targetFile.getAbsolutePath());

                                Marshaller m = new Marshaller(writer);

                                m.setEncoding("ISO-8859-1");

                                m.marshal(xml.getXmlTag());

                        } catch (Exception ex) {

                                NotificationManager.addError(

                                                PluginServices.getText(this, "save_error"), ex);

                        }

                        getJListSymbols().setModel(newListModel());

                }

        }

        private class MyButtonListener implements ActionListener {

                public void actionPerformed(ActionEvent e) {

                        JComponent comp = (JComponent) e.getSource();

                        if ( comp.equals(getBtnProperties()) ) {

                                // properties pressed

                                propertiesPressed();

                        } else if ( comp.equals(getBtnNewSymbol()) ) {

                                // new pressed

                                newPressed();

                        } else if ( comp.equals(getBtnResetSymbol()) ) {

                                // reset pressed

                                resetPressed();

                        } else if ( comp.equals(getBtnSaveSymbol()) ) {

                                // save pressed

                                savePressed();

                        } else if (comp.equals(jcc1) && ((IPersistance) selectedElement).getXMLEntity() != null) {

                                if (selectedElement ==null)

                                        return;

                                XMLEntity xml =((IPersistance) selectedElement).getXMLEntity();

                                xml.putProperty("color", StringUtilities.color2String(jcc1.getColor()));

                                ((IPersistance) selectedElement).setXMLEntity(xml);

                                setSymbol(selectedElement);

                        } else if (comp.equals(jcc2) && ((IPersistance) selectedElement).getXMLEntity() != null) {

                                if (selectedElement ==null)

                                        return;

                                XMLEntity xml = ((IPersistance) selectedElement).getXMLEntity();

                                xml.putProperty("outline", StringUtilities.color2String(jcc2.getColor()));

                                ((IPersistance) selectedElement).setXMLEntity(xml);

                                setSymbol(selectedElement);

                        }

                        SymbolSelector.this.repaint();

                }

        }

}