Application: gvSIG desktop

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

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

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

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

 * as published by the Free Software Foundation; either version 2

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

 *

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

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

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

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

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

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id: StyleSelector.java 13189 2007-08-21 09:33:59Z jvidal $

* $Log$

* 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 com.iver.cit.gvsig.gui.styling;

import java.awt.Color;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.Rectangle;

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.JComponent;

import javax.swing.JFileChooser;

import javax.swing.JLabel;

import javax.swing.JList;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.ListCellRenderer;

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.swing.GridBagLayoutPanel;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

import com.iver.cit.gvsig.fmap.core.styles.ILabelStyle;

import com.iver.cit.gvsig.fmap.core.styles.IStyle;

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

import com.iver.utiles.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 ImageSizePanel isp;

        public StyleSelector(IStyle style, int shapeType) {

                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) {

                super(null, shapeType, filter);

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

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

                if (!rootDir.exists())

                        rootDir.mkdir();

                lblTitle.setText(PluginServices.getText(this, "label_styles"));

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

                treeModel = 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) {        }

                    public void removeTreeModelListener(TreeModelListener l) { }

                    public void valueForPathChanged(TreePath path, Object newValue) {}

                    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;

                    }

            };

                getTreeFav().setModel(treeModel);

                ActionListener cancelAction = new ActionListener() {

                    public void actionPerformed(ActionEvent e) {

                            setStyle(null);

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

                    }

            };

            okCancelPanel.setCancelButtonActionListener(cancelAction);

        }

        protected SymbolSelectorListModel newListModel() {

                StyleSelectorListModel listModel = new StyleSelectorListModel(

                                dir,

                                selectedElement,

                                sFilter,

                                StyleSelectorListModel.STYLE_FILE_EXTENSION);

                return listModel;

        }

        protected JPanel getJPanelOptions() {

                if (jPanelOptions == null) {

                        jPanelOptions = new GridBagLayoutPanel();

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

                        jPanelOptions.addComponent(getImageSizePanel());

                }

            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) selectedElement;

                                        double[] sz = isp.getImageDimension();

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

                                }

                        });

                }

                return isp;

        }

        protected void updateOptionsPanel() {

                IStyle s = ((IStyle) jListSymbols.getSelectedValue());

            if (s instanceof ILabelStyle) {

                        ILabelStyle lab = (ILabelStyle) s;

                        Rectangle r = lab.getBounds(null);

                        getImageSizePanel().setImageDimension(r.getWidth(), r.getHeight());

                }

         }

    /**

     * 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) {

                            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) selectedElement);

                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 PluginServices.getText(

                                                this, "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(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 = 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

                        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());

                }

        }

    /**

     * 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;

    }

}