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.

 */

/* CVS MESSAGES:

*

* $Id: StyleSelector.java 30289 2009-07-31 11:10:41Z jpiera $

* $Log$

* Revision 1.11  2007-08-21 09:32:53  jvidal

* javadoc

*

* Revision 1.10  2007/05/31 09:36:22  jaume

* *** empty log message ***

*

* Revision 1.9  2007/05/10 09:47:50  jaume

* *** empty log message ***

*

* Revision 1.8  2007/05/08 15:44:07  jaume

* *** empty log message ***

*

* Revision 1.7  2007/04/27 12:10:17  jaume

* *** empty log message ***

*

* Revision 1.6  2007/04/11 16:02:43  jaume

* file filter

*

* Revision 1.5  2007/04/05 16:08:34  jaume

* Styled labeling stuff

*

* Revision 1.4  2007/04/04 16:01:14  jaume

* *** empty log message ***

*

* Revision 1.2  2007/03/09 11:25:00  jaume

* Advanced symbology (start committing)

*

* Revision 1.1.2.4  2007/02/21 07:35:14  jaume

* *** empty log message ***

*

* Revision 1.1.2.3  2007/02/08 15:43:04  jaume

* some bug fixes in the editor and removed unnecessary imports

*

* Revision 1.1.2.2  2007/01/30 18:10:10  jaume

* start commiting labeling stuff

*

* Revision 1.1.2.1  2007/01/26 13:49:03  jaume

* *** empty log message ***

*

*

*/

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.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.io.FileOutputStream;

import java.io.FileWriter;

import java.util.prefs.Preferences;

import javax.swing.BorderFactory;

import javax.swing.BoxLayout;

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.JTextField;

import javax.swing.ListCellRenderer;

import javax.swing.ListModel;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import org.exolab.castor.xml.Marshaller;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.app.gui.JComboBoxUnits;

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

import org.gvsig.fmap.mapcontext.MapContextLocator;

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

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

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

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

import org.gvsig.gui.beans.AcceptCancelPanel;

import org.gvsig.gui.beans.controls.dnd.JDnDList;

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

import org.gvsig.i18n.Messages;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.utils.XMLEntity;

/**

 * Creates a panel where the user can select a style for an object that allows

 * to manage this property.This panel will be similar to the symbol selector panel

 * and, on it, the user will have a previsualization of the style of objects

 * stored and posibilities to modify an existing one, to create a new one

 * and so on.

 *

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

 *

 */

public class StyleSelector extends SymbolSelector {

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

        private static final long serialVersionUID = -7476555713446755512L;

        private ImageSizePanel isp;

        public StyleSelector(IStyle style, int shapeType)

                        throws IllegalArgumentException {

                this(style, shapeType, new SelectorFilter() {

                        public boolean accepts(Object obj) {

                                return obj instanceof IStyle;

                        }

                });

        }

        /**

         * Constructor method

         *

         * @param style

         * @param shapeType

         * @param filter

         */

        public StyleSelector(IStyle style, int shapeType, SelectorFilter filter)

        throws IllegalArgumentException {

                super(null, shapeType, filter, false);

                rootDir = new File(

                                MapContextLocator.getSymbolManager().getSymbolPreferences()

                                .getSymbolLibraryPath());

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

                // rootDir = new File(prefs.get("SymbolStylesFolder",

                // System.getProperty("user.home")+"/gvSIG/Styles"));

                if (!rootDir.exists())

                        rootDir.mkdir();

                initialize(style);

                lblTitle.setText(Messages.getText("label_styles"));

                treeRootName = Messages.getText("style_library");

        }

        @Override

        protected void initialize(Object currentElement) throws IllegalArgumentException {

            library = new StyleLibrary(rootDir);

            this.setLayout(new BorderLayout());

            this.setSize(400, 221);

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

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

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

            ActionListener okAction = new ActionListener() {

                    public void actionPerformed(ActionEvent e) {

                            accepted = true;

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

                    }

            }, cancelAction = new ActionListener() {

                    public void actionPerformed(ActionEvent e) {

                            setSymbol(null);

                            PluginServices.getMDIManager().closeWindow(StyleSelector.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);

    }

        @Override

        public void setSymbol(Object style) {

                ((StylePreviewer) jPanelPreview).setStyle((IStyle) style);

                updateOptionsPanel();

        }

        @Override

        public Object getSelectedObject() {

                if (!accepted) return null;

                Object mySelectedElement = ((StylePreviewer) jPanelPreview).getStyle();

                if (mySelectedElement instanceof CartographicSupport) {

                        CartographicSupport csSym = (CartographicSupport) mySelectedElement;

                        csSym.setUnit(cmbUnits.getSelectedUnitIndex());

                        csSym.setReferenceSystem(cmbReferenceSystem.getSelectedIndex());

                }

                return mySelectedElement;

        }

        protected ListModel newListModel() {

                StyleSelectorListModel listModel = new StyleSelectorListModel(

                                dir,

                                sFilter,

                                StyleSelectorListModel.STYLE_FILE_EXTENSION);

                return listModel;

        }

        protected JPanel getJPanelOptions() {

                if (jPanelOptions == null) {

                        jPanelOptions = new GridBagLayoutPanel();

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

                        jPanelOptions.addComponent(getImageSizePanel());

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

                                        cmbUnits = new JComboBoxUnits(true));

                        jPanelOptions.addComponent("",

                                        cmbReferenceSystem = new JComboBoxUnitsReferenceSystem());

                }

            return jPanelOptions;

    }

        /**

         *

     * This method initializes ImageSizePanel

     *

     * @return isp ImageSizePanel

     */

         private ImageSizePanel getImageSizePanel() {

                 if (isp == null) {

                        isp = new ImageSizePanel();

                        isp.addActionListener(new ActionListener() {

                                public void actionPerformed(ActionEvent e) {

                                        ILabelStyle st = (ILabelStyle) getSelectedObject();

                                        if (st != null) {

                                                double[] sz = isp.getImageDimension();

                                                st.setSize(sz[0], sz[1]);

                                        }

                                }

                        });

                }

                return isp;

        }

        protected void updateOptionsPanel() {

                IStyle s = ((StylePreviewer) jPanelPreview).getStyle();

            if (s instanceof ILabelStyle) {

                        ILabelStyle lab = (ILabelStyle) s;

                        Dimension sz = lab.getSize();

                        getImageSizePanel().setImageSize(sz);

                }

         }

    /**

     * This method initializes jList

     *

     * @return javax.swing.JList

     */

    protected JList getJListSymbols() {

            if (jListSymbols == null) {

                    jListSymbols = new JDnDList();

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

            jListSymbols.setLayoutOrientation(JList.HORIZONTAL_WRAP);

            jListSymbols.setVisibleRowCount(-1);

            jListSymbols.addListSelectionListener(new ListSelectionListener() {

                    public void valueChanged(ListSelectionEvent e) {

                            setStyle(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) {

                                    IStyle sty = (IStyle) 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);

                                    StylePreviewer sp = new StylePreviewer();

                                    sp.setShowOutline(false);

                                    sp.setAlignmentX(Component.CENTER_ALIGNMENT);

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

                                    sp.setStyle(sty);

                                    sp.setBackground(bgColor);

                                    pnl.add(sp);

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

                                    lbl.setBackground(bgColor);

                                    lbl.setAlignmentX(Component.CENTER_ALIGNMENT);

                                    pnl.add(lbl);

                                    return pnl;

                            }

                };

                jListSymbols.setCellRenderer(renderer);

            }

            return jListSymbols;

    }

    /**

     * Modify the previsualization showed in the panel with the style of the

     * new object selected.

     *

     * @param selectedValue

     */

   protected void setStyle(Object selectedValue) {

                //selectedElement = selectedValue;

                ((StylePreviewer) jPanelPreview).setStyle((IStyle) selectedValue);

                doLayout();

                repaint();

        }

        protected void propertiesPressed() {

                StyleEditor se = new StyleEditor((IStyle) getSelectedObject());

                PluginServices.getMDIManager().addWindow(se);

                setStyle(se.getStyle());

        }

        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(StyleSelectorListModel.STYLE_FILE_EXTENSION);

                        }

                        public String getDescription() {

                                return Messages.getText("gvSIG_style_definition_file")+ " ("+StyleSelectorListModel.STYLE_FILE_EXTENSION+")";

                        }

                };

                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);

                txtDesc.setText(((IStyle) getSelectedObject()).getDescription());

                accessory.add(txtDesc);

                jfc.setAccessory(accessory);

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

                        File targetFile = jfc.getSelectedFile();

                        String fExtension = StyleSelectorListModel.STYLE_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();

                        }

                        IStyle s = (IStyle) getSelectedObject();

                        s.setDescription(desc);

                        // save it

                        if (!targetFile.

                                        getAbsolutePath().

                                        toLowerCase().

                                        endsWith(fExtension)) {

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

                        }

                        if(targetFile.exists()){

                                int resp = JOptionPane.showConfirmDialog(

                                                (Component) PluginServices.getMainFrame(),

                                                Messages.getText("fichero_ya_existe_seguro_desea_guardarlo"),

                                                Messages.getText("guardar"), JOptionPane.YES_NO_OPTION);

                                if (resp != JOptionPane.YES_OPTION) {

                                        return;

                                }

                        }

                        // the object to persist is 's'

                        try {

                            PersistenceManager pman = ToolsLocator.getPersistenceManager();

                            PersistentState psta = pman.getState(s, true);

                    if (psta.getContext().getErrors() != null) {

                        throw psta.getContext().getErrors();

                    }

                    FileOutputStream fos = new FileOutputStream(targetFile);

                    pman.saveState(psta, fos);

                    fos.close();

                        } catch (Exception ex) {

                                NotificationManager.addError(

                                                Messages.getText("save_error"), ex);

                        }

                        getJListSymbols().setModel(newListModel());

                }

        }

        protected void newPressed() {

        IStyle curr_sty = ((StylePreviewer) jPanelPreview).getStyle();

        try {

            curr_sty = (IStyle) curr_sty.clone();

        } catch (Exception cnse) {

            logger.info("Unable to clone style. "

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

                cnse);

        }

         StyleEditor se = new StyleEditor(curr_sty);

        PluginServices.getMDIManager().addWindow(se);

        this.setStyle(se.getStyle());

    }

    /**

     * This method initializes jPanelPreview

     *

     * @return javax.swing.JComponent

     */

    protected JComponent getJPanelPreview() {

            if (jPanelPreview == null) {

                    jPanelPreview = new StylePreviewer();

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

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

                    ((StylePreviewer) jPanelPreview).setShowOutline(true);

            }

            return jPanelPreview;

    }

    @Override

    public void actionPerformed(ActionEvent e) {

            if (!act) return;

                Object selectedElement = ((StylePreviewer) jPanelPreview).getStyle();//getSelectedObject();

                performActionOn(selectedElement, e);

                StyleSelector.this.repaint();

    }

    public int getUnit() {

            return cmbUnits.getSelectedUnitIndex();

    }

    public int getReferenceSystem() {

            return cmbReferenceSystem.getSelectedIndex();

    }

        public void setUnit(int unit) {

                cmbUnits.setSelectedUnitIndex(unit);

        }

        public void setReferenceSystem(int referenceSystem) {

                cmbReferenceSystem.setSelectedIndex(referenceSystem);

        }

}