Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

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

 * MA  02110-1301, USA.

 *

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

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

 */

package org.gvsig.app.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.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.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

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

import org.gvsig.app.gui.JComboBoxUnits;

import org.gvsig.app.gui.panels.ColorChooserPanel;

import org.gvsig.app.project.documents.view.legend.gui.ISymbolSelector;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.Geometry.SUBTYPES;

import org.gvsig.fmap.geom.Geometry.TYPES;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.exception.CreateGeometryException;

import org.gvsig.fmap.geom.type.GeometryType;

import org.gvsig.fmap.geom.type.GeometryTypeNotSupportedException;

import org.gvsig.fmap.geom.type.GeometryTypeNotValidException;

import org.gvsig.fmap.mapcontext.MapContextLocator;

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

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

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

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

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

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

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 org.gvsig.i18n.Messages;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.fill.IFillSymbol;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.fill.IMultiLayerFillSymbol;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.line.ILineSymbol;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.line.IMultiLayerLineSymbol;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.marker.IMarkerSymbol;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.marker.IMultiLayerMarkerSymbol;

/**

 * 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 {

        private static final long serialVersionUID = -6405660392303659551L;

        private static final GeometryManager geomManager = GeometryLocator.getGeometryManager();

        private static final Logger logger = LoggerFactory.getLogger(SymbolSelector.class);

        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 GeometryType 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;

        boolean accepted = true;

        private SymbolManager manager;

        protected SelectorFilter sFilter = new SelectorFilter() {

                private Geometry dummyPointGeom = null;

                private Geometry dummyLineGeom = null;

                private Geometry dummyPolygonGeom = null;

                private boolean isInitialized = false;

                public boolean accepts(Object obj) {

                        if (!isInitialized){

                                try {

                                        dummyPointGeom = geomManager.createPoint(0, 0, SUBTYPES.GEOM2D);

                                        dummyLineGeom = geomManager.create(TYPES.CURVE, SUBTYPES.GEOM2D);

                                        dummyPolygonGeom = geomManager.create(TYPES.SURFACE, SUBTYPES.GEOM2D);

                                } catch (CreateGeometryException e) {

                                        logger.error("Error creating a geometry", e);

                                }

                                isInitialized = true;

                        }

                        if (obj instanceof ISymbol) {

                                ISymbol sym = (ISymbol) obj;

                                Geometry compareGeometry = null;

                                if (SymbolSelector.this.shapeType.isTypeOf(Geometry.TYPES.POINT)

                                    || SymbolSelector.this.shapeType.isTypeOf(Geometry.TYPES.MULTIPOINT)){                                

                                        compareGeometry = dummyPointGeom;

                                }else if (SymbolSelector.this.shapeType.isTypeOf(Geometry.TYPES.CURVE)

                    || SymbolSelector.this.shapeType.isTypeOf(Geometry.TYPES.MULTICURVE)){               

                                        compareGeometry = dummyLineGeom;

                                }else if (SymbolSelector.this.shapeType.isTypeOf(Geometry.TYPES.SURFACE)

                    || SymbolSelector.this.shapeType.isTypeOf(Geometry.TYPES.MULTISURFACE)){               

                                        compareGeometry = dummyPolygonGeom;                                        

                                }

                                if (compareGeometry != null){

                                    return sym.isSuitableFor(compareGeometry);

                                }

                        }

                        return false;

                }

        };

        protected JComboBoxUnits cmbUnits;

        protected JComboBoxUnitsReferenceSystem cmbReferenceSystem;

        private JComboBoxFontSizes cmbFontSize;

        protected LibraryBrowser libraryBrowser;

        /**

         * Constructor method

         *

         * @param currentElement

         * @param shapeType

         */

        private void initialize(Object currentElement, GeometryType shapeType, boolean initialize) {

                manager = MapContextLocator.getSymbolManager();

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

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

                        ISymbol sym = (ISymbol) currentElement;

                        try {

                                currentElement = sym.clone(); 

                        } catch (CloneNotSupportedException e) {

                                NotificationManager.addWarning("Symbol layer", e);

                        }

                        String desc = sym.getDescription();

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

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

                }

        this.shapeType = shapeType;

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

                rootDir =

                                new File(manager.getSymbolPreferences().getSymbolLibraryPath());

                if (!rootDir.exists()) {

                        rootDir.mkdir();

                }

                treeRootName = Messages.getText("symbol_library");

                try {

                        if (initialize) {

                                initialize(currentElement);

                        }

                } catch (ClassNotFoundException e) {

                        throw new Error(e);

                }

        }

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

            super();

            initialize(symbol, shapeType, initialize);

            sFilter = filter;

        }

        protected SymbolSelector(Object symbol, GeometryType shapeType, boolean initialize) {

            super();

            initialize(symbol, shapeType, initialize);

        }

        /**

         * 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) {

                super();

                try {

                    GeometryType geometryType = geomManager.getGeometryType(shapeType, SUBTYPES.GEOM2D);

                    initialize(symbol,geometryType, initialize);

                } catch (GeometryTypeNotSupportedException e1) {

                    logger.error("Impossible to get the geometry type", e1);

                } catch (GeometryTypeNotValidException e1) {

                    logger.error("Impossible to get the geometry type", e1);

                }

                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) {

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

                        }

                }, cancelAction = new ActionListener() {

                        public void actionPerformed(ActionEvent e) {

                                accepted = false;

                                setSymbol(null);

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

                        }

                };

                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,

                                                manager.getSymbolPreferences().getSymbolFileExtension());

                return listModel;

        }

        /**

         * Initializes tha JNorthPanel.

         *

         * @return northPanel JPanel

         * @throws IllegalArgumentException

         */

        protected JPanel getJNorthPanel() throws IllegalArgumentException {

                if (northPanel == null) {

                        String text = "";

                        if (shapeType.isTypeOf(Geometry.TYPES.POINT) || shapeType.isTypeOf(Geometry.TYPES.MULTIPOINT)){                        

                                text = Messages.getText("point_symbols");

                        }else if (shapeType.isTypeOf(Geometry.TYPES.CURVE) || shapeType.isTypeOf(Geometry.TYPES.MULTICURVE)){         

                                text = Messages.getText("line_symbols");

                        }else if (shapeType.isTypeOf(Geometry.TYPES.SURFACE) || shapeType.isTypeOf(Geometry.TYPES.MULTISURFACE)){                                  

                                text = Messages.getText("polygon_symbols");

                        }

                        else{

                                throw new IllegalArgumentException(Messages.getText("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=null;

                                                try {

                                                        selSym = (ISymbol) ((ISymbol) jListSymbols

                                                                        .getSelectedValue()).clone();

                                                } catch (CloneNotSupportedException ex) {

                                                        NotificationManager.addWarning("Symbol layer", ex);

                                                }

                                                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 = "["+Messages.getText("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.isTypeOf(Geometry.TYPES.POINT) || shapeType.isTypeOf(Geometry.TYPES.MULTIPOINT)) {

                                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.isTypeOf(Geometry.TYPES.CURVE) || shapeType.isTypeOf(Geometry.TYPES.MULTICURVE)) {

                                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.isTypeOf(Geometry.TYPES.SURFACE) || shapeType.isTypeOf(Geometry.TYPES.MULTISURFACE)) {

                                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 IMultiLayerFillSymbol){

                                                txtWidth.setEnabled(false);

                                                cmbReferenceSystem.setEnabled(false);

                                                cmbUnits.setEnabled(false);

                                        }

                                }

                        }

                } 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, Messages.getText("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(Messages.getText("new"));

                        btnNewSymbol.addActionListener(this);

                }

                return btnNewSymbol;

        }

        private JButton getBtnResetSymbol() {

                if (btnResetSymbol == null) {

                        btnResetSymbol = new JButton();

                        btnResetSymbol.setName("btnResetSymbol");

                        btnResetSymbol.setText(Messages.getText("reset"));

                        btnResetSymbol.addActionListener(this);

                }

                return btnResetSymbol;

        }

        private JButton getBtnSaveSymbol() {

                if (btnSaveSymbol == null) {

                        btnSaveSymbol = new JButton();

                        btnSaveSymbol.setName("btnSaveSymbol");

                        btnSaveSymbol.setText(Messages.getText("save"));

                        btnSaveSymbol.addActionListener(this);

                }

                return btnSaveSymbol;

        }

        private JButton getBtnProperties() {

                if (btnProperties == null) {

                        btnProperties = new JButton();

                        btnProperties.setName("btnProperties");

                        btnProperties.setText(Messages.getText("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, Messages.getText("options")));

                        jcc2 = new ColorChooserPanel(true,true);

                        jcc2.setAlpha(255);

                        if (shapeType.isTypeOf(Geometry.TYPES.POINT) || shapeType.isTypeOf(Geometry.TYPES.MULTIPOINT)) {

                                jcc1 = new ColorChooserPanel(true);

                                jPanelOptions.addComponent(

                                                Messages.getText("color")+":", jcc1);

                                jPanelOptions.addComponent(

                                                Messages.getText("size")+":",

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

                                jPanelOptions.addComponent(Messages.getText("units")+":",

                                                cmbUnits = new JComboBoxUnits());

                                jPanelOptions.addComponent("",

                                                cmbReferenceSystem = new JComboBoxUnitsReferenceSystem());

                                jPanelOptions.addComponent(

                                                Messages.getText("angle")+ " (" +Messages.getText("degree")+"):",

                                                txtAngle = new JIncrementalNumberField());

                        } else if (shapeType.isTypeOf(Geometry.TYPES.CURVE) || shapeType.isTypeOf(Geometry.TYPES.MULTICURVE)) {

                                jcc1 = new ColorChooserPanel(true);

                                jPanelOptions.addComponent(

                                                Messages.getText("color")+":", jcc1);

                                jPanelOptions.addComponent(

                                                Messages.getText("width")+":",

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

                                jPanelOptions.addComponent(Messages.getText("units")+":",

                                                cmbUnits = new JComboBoxUnits());

                                jPanelOptions.addComponent("",

                                                cmbReferenceSystem = new JComboBoxUnitsReferenceSystem());

                        } else if (shapeType.isTypeOf(Geometry.TYPES.SURFACE) || shapeType.isTypeOf(Geometry.TYPES.MULTISURFACE)) {

                                jcc1 = new ColorChooserPanel(true, true);

                                jPanelOptions.addComponent(

                                                Messages.getText("fill_color")+":", jcc1);

                                jPanelOptions.addComponent(

                                                Messages.getText("outline_color")+":", jcc2);

                                jPanelOptions.addComponent(

                                                Messages.getText("outline_width"),

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

                                jPanelOptions.addComponent(Messages.getText("units")+":",

                                                cmbUnits = new JComboBoxUnits());

                                jPanelOptions.addComponent("",

                                                cmbReferenceSystem = new JComboBoxUnitsReferenceSystem());

                        }

                        jcc1.setAlpha(255);

                        if (txtSize != null) {

                                txtSize.addActionListener(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);

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

                }

                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() {

                if (!accepted) {

                        return null;

                }

                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() {

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

                if (mySelectedElement ==null) {

                        return;

                }

                ISymbol clonedSymbol=null;

                try {

                        clonedSymbol = (ISymbol) mySelectedElement.clone(); 

                } catch (CloneNotSupportedException e) {

                        NotificationManager.addWarning("Symbol layer", e);

                }

                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);

        }

        /**

         * Invoked when the NEW button is pressed

         */

        protected void newPressed() {

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

            try {

                curr_sym = (ISymbol) curr_sym.clone();

            } catch (Exception cnse) {

                logger.info("Unable to clone symbol. "

                    + "This can cause an empty symbol if user cancels dialog.",

                    cnse);

            }

                SymbolEditor se = new SymbolEditor(curr_sym, 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;

                }

                final SymbolPreferences preferences = manager.getSymbolPreferences();

                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(

                                                                preferences.getSymbolFileExtension())

                                                                || f.isDirectory();

                        }

                        public String getDescription() {

                                                return Messages.getText(

                                                                "gvSIG_symbol_definition_file")

                                                                .concat(" (*")

                                                                .concat(preferences.getSymbolFileExtension())

                                                                .concat(")");

                        }

                };

                jfc.setFileFilter(ff);

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

                accessory.add(new JLabel(Messages.getText("enter_description")));

                JTextField txtDesc = new JTextField(25);

                accessory.add(txtDesc);

                jfc.setAccessory(accessory);

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

                        File targetFile = jfc.getSelectedFile();

                        // 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(

                                                                                preferences.getSymbolFileExtension(),

                                                                                "");

                        } else {

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

                        }

                        ISymbol s = (ISymbol) getSelectedObject();

                        s.setDescription(desc);

                        String symbolFileName = targetFile.getAbsolutePath().substring(

                                        targetFile.getAbsolutePath().lastIndexOf(File.separator)+1,

                                        targetFile.getAbsolutePath().length());

                        File targetDir = new File(targetFile.getAbsolutePath().substring(

                                        0,

                                        targetFile.getAbsolutePath().lastIndexOf(File.separator)));

                        library.addElement(s, symbolFileName , targetDir);

                        getJListSymbols().setModel(newListModel());

                }

        }

        public void actionPerformed(ActionEvent e) {

                if (!act) {

                        return;

                }

                Object selectedElement = ((SymbolPreviewer) jPanelPreview).getSymbol();//getSelectedObject();

                performActionOn(selectedElement, e);

                SymbolSelector.this.repaint();

        }

        protected void performActionOn(Object selectedElement, 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)) {

                        if (selectedElement == null) {

                                return;

                        }

                        Color c = jcc1.getColor();

                        if (selectedElement instanceof IMarkerSymbol) {

                                IMarkerSymbol m = (IMarkerSymbol) selectedElement;

                                if (m instanceof IMultiLayerMarkerSymbol) {

                                        IMultiLayerMarkerSymbol mm = (IMultiLayerMarkerSymbol) m;

                                        mm.setAlpha(jcc1.getAlpha());

                                } else {

                                        m.setColor(c);

                                }

                        }

                        if (selectedElement instanceof ILineSymbol) {

                                ILineSymbol l = (ILineSymbol) selectedElement;

                                if (l instanceof IMultiLayerLineSymbol) {

                                        IMultiLayerLineSymbol ml = (IMultiLayerLineSymbol) l;

                                        ml.setAlpha(jcc1.getAlpha());

                                } else {

                                        l.setLineColor(c);

                                }

                        }

                        if (selectedElement instanceof IFillSymbol) {

                                IFillSymbol f = (IFillSymbol) selectedElement;

                                f.setHasFill(jcc1.getUseColorisSelected());

                                f.setFillColor(c);

                        }

                        if (selectedElement instanceof ITextSymbol) {

                                ITextSymbol t = (ITextSymbol) selectedElement;

                                t.setTextColor(c);

                        }

                } else if (comp.equals(jcc2)) {

                        if (selectedElement == null) {

                                return;

                        }

                        Color c = jcc2.getColor();

                        if (selectedElement instanceof IFillSymbol) {

                                IFillSymbol f = (IFillSymbol) selectedElement;

                                ILineSymbol outline = f.getOutline();

                                f.setHasOutline(jcc2.getUseColorisSelected());

                                if (outline!=null) {

                                        ILineSymbol l = outline;

                                        if (l instanceof IMultiLayerLineSymbol && c != null) {

                                                IMultiLayerLineSymbol ml = (IMultiLayerLineSymbol) l;

                                                ml.setAlpha(c.getAlpha());

                                        } else {

                                                l.setLineColor(c);

                                        }

                                }

                        }

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

                        double s = txtSize.getDouble();

                        if (selectedElement instanceof IMarkerSymbol) {

                                IMarkerSymbol m = (IMarkerSymbol) selectedElement;

                                m.setSize(s);

                        }

                        if (selectedElement instanceof ILineSymbol) {

                                ILineSymbol l = (ILineSymbol) selectedElement;

                                l.setLineWidth(s);

                        }

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

                        if (selectedElement instanceof CartographicSupport) {

                                CartographicSupport cs = (CartographicSupport) selectedElement;

                                cs.setUnit(cmbUnits.getSelectedUnitIndex());

                        }

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

                        if (selectedElement instanceof CartographicSupport) {

                                CartographicSupport cs = (CartographicSupport) selectedElement;

                                cs.setUnit(cmbReferenceSystem.getSelectedIndex());

                        }

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

                        double w = txtWidth.getDouble();

                        if (selectedElement instanceof IFillSymbol) {

                                IFillSymbol f = (IFillSymbol) selectedElement;

                                ILineSymbol outline = f.getOutline();

                                if (outline!=null) {

                                        outline.setLineWidth(w);

                                }

                        }

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

                        double s = ((Integer) cmbFontSize.getSelectedItem()).doubleValue();

                        if (selectedElement instanceof ITextSymbol) {

                                ITextSymbol t = (ITextSymbol) selectedElement;

                                t.setFontSize(s);

                        }

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

                        double a = Math.toRadians(txtAngle.getDouble());

                        if (selectedElement instanceof IMarkerSymbol) {

                                IMarkerSymbol m = (IMarkerSymbol) selectedElement;

                                m.setRotation(a);

                        }

                }

        }

        public static ISymbolSelector createSymbolBrowser() {

                return MultiShapeSymbolSelector.createSymbolBrowser();

        }

        public static ISymbolSelector createSymbolSelector(Object currSymbol, int shapeType) {

                return createSymbolSelector(currSymbol, shapeType, null);

        }

        public static ISymbolSelector createSymbolSelector(Object currSymbol, int shapeType, SelectorFilter filter) {

                ISymbolSelector selector = null;

                GeometryType geometryType = null;

        try {

            geometryType = geomManager.getGeometryType(shapeType, SUBTYPES.GEOM2D);

        } catch (GeometryTypeNotSupportedException e) {

            logger.error("Impossible to get the geometry type", e);

        } catch (GeometryTypeNotValidException e) {

            logger.error("Impossible to get the geometry type", e);

        }

                if (filter==null) {

                        selector = (shapeType == Geometry.TYPES.GEOMETRY) ?

                                        new MultiShapeSymbolSelector(currSymbol) :

                                                new SymbolSelector(currSymbol, geometryType, true);

                } else {

                        selector = (shapeType == Geometry.TYPES.GEOMETRY) ?

                                        new MultiShapeSymbolSelector(currSymbol) :

                                                new SymbolSelector(currSymbol, geometryType, filter, true);

                }

                return selector;

        }

        class SillyDragNDropAction implements MouseListener, MouseMotionListener {

                private boolean doDrop = false;

                private Object selected;

                private File sourceFolder;

                public void mouseClicked(MouseEvent e) { }

                public void mouseEntered(MouseEvent e) { }

                public void mouseExited(MouseEvent e) { }

                public void mousePressed(MouseEvent e) {

                        if (e.getSource().equals(getJListSymbols())) {

                                selected = getJListSymbols().getSelectedValue();

                                doDrop = selected!=null;

                                DefaultMutableTreeNode node = (DefaultMutableTreeNode) libraryBrowser.getLastSelectedPathComponent();

                                if (node.getUserObject() instanceof File) {

                                        sourceFolder = (File) node.getUserObject();

                                }

                        }

                        e.consume();

                }

                public void mouseReleased(MouseEvent e) {

                        if (doDrop && e.getSource().equals(getJListSymbols())) {

                                Point p = new Point(getJListSymbols().getLocation().x-e.getPoint().x, getJListSymbols().getLocation().y+e.getPoint().y);

                                if (libraryBrowser.getBounds().contains(p)) {

                                        File destFolder = libraryBrowser.getElementBellow(p);

                                        if (destFolder != null) {

                                                ISymbol sym = (ISymbol) selected;

                                                int move = InputEvent.SHIFT_DOWN_MASK | InputEvent.BUTTON1_DOWN_MASK;

                                                //                                            int copy = MouseEvent.CTRL_DOWN_MASK | MouseEvent.BUTTON1_DOWN_MASK;

                                                library.addElement(sym, sym.getDescription(), destFolder);

                                                if ((e.getModifiers() & (move)) !=0) {

                                                        library.removeElement(sym, sourceFolder);

                                                }

                                        }

                                        libraryBrowser.refresh();

                                }

                        }

                        doDrop = false;

                }

                public void mouseDragged(MouseEvent e) {

                        if (e.getSource().equals(getJListSymbols())) {

                                Point p = new Point(getJListSymbols().getLocation().x-e.getPoint().x, getJListSymbols().getLocation().y+e.getPoint().y);

                                if (libraryBrowser.getBounds().contains(p)) {

                                        libraryBrowser.setSelectedElementBellow(p);

                                }

                        }

                }

                public void mouseMoved(MouseEvent e) {

                }

        }

        public Object getWindowProfile() {

                return WindowInfo.DIALOG_PROFILE;

        }

}