Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

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

 * MA  02110-1301, USA.

 *

 */

/* CVS MESSAGES:

 *

 * $Id: StyleSelector.java 33213 2010-07-27 08:34:53Z nbrodin $

 * $Log$

 * 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.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.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.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import org.exolab.castor.xml.Marshaller;

import org.gvsig.gui.beans.AcceptCancelPanel;

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

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.CartographicSupport;

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

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

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

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

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 static final long serialVersionUID = -7476555713446755512L;

        private ImageSizePanel isp;

        private IStyle styleType;

        private IStyle previousStyle;

        private boolean showPanelOptions = true;

        public StyleSelector(IStyle style, int shapeType) {

                this(style, shapeType, new StyleSelectorFilter() {

                        public boolean accepts(Object obj) {

                                return obj instanceof IStyle;

                        }

                        public IStyle getAllowedObject() {

                                return null;

                        }

                });

        }

        /**

         * Constructor method

         *

         * @param style

         * @param shapeType

         * @param filter

         */

        public StyleSelector(IStyle style, int shapeType, StyleSelectorFilter filter) {

                this(style, shapeType, filter, true);

        }

        public StyleSelector(IStyle style, int shapeType, StyleSelectorFilter filter, boolean showPanelOptions) {

                super(null, shapeType, filter, false);

                this.previousStyle = (IStyle)style;

                IStyle clonedStyle = null;

                if (style != null){

                        clonedStyle = SymbologyFactory.createStyleFromXML(

                                ((IStyle)style).getXMLEntity(), "");

                }

                this.showPanelOptions = showPanelOptions;

                styleType = ((StyleSelectorFilter)filter).getAllowedObject();

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

                rootDir = new File(prefs.get("SymbolStylesFolder", com.iver.andami.Launcher.getAppHomeDir() + "Styles"));

                if (!rootDir.exists())

                        rootDir.mkdir();

                try {

                        initialize(clonedStyle);

                } catch (ClassNotFoundException e) {

                        throw new Error(e);

                }

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

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

        }

        @Override

        protected void initialize(Object currentElement) throws ClassNotFoundException {

                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) {

                                accepted = false;

                                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 == null)

                        return null;

                if (mySelectedElement instanceof CartographicSupport) {

                        CartographicSupport csSym = (CartographicSupport) mySelectedElement;

                        csSym.setUnit(cmbUnits.getSelectedUnitIndex());

                        csSym.setReferenceSystem(cmbReferenceSystem.getSelectedIndex());

                }

                return mySelectedElement;

        }

        protected SymbolSelectorListModel newListModel() {

                StyleSelectorListModel listModel = new StyleSelectorListModel(

                                dir,

                                sFilter,

                                StyleSelectorListModel.STYLE_FILE_EXTENSION);

                return listModel;

        }

        protected JPanel getJPanelOptions() {

                if (jPanelOptions == null) {

                        jPanelOptions = new GridBagLayoutPanel();

                        if(showPanelOptions){

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

                                jPanelOptions.addComponent(getImageSizePanel());

                                jPanelOptions.addComponent(PluginServices.getText(this, "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() {

                if(showPanelOptions){

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

                        if (s == null){

                                Dimension sz = new Dimension(0,0);

                                getImageSizePanel().setImageSize(sz);

                        }

                        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) {

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

                                                IStyle selStyle = SymbologyFactory.createStyleFromXML(

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

                                                setStyle(selStyle);

                                                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();

                updateOptionsPanel();

                repaint();

        }

        protected void newPressed() {

                StyleEditor se = new StyleEditor(styleType);

                PluginServices.getMDIManager().addWindow(se);

                setStyle(se.getStyle());

        }

        protected void propertiesPressed() {

//                boolean state = accepted;

//                accepted = true;

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

                if(se != null){

                        PluginServices.getMDIManager().addWindow(se);

                        setStyle(se.getStyle());

                }

//                accepted = state;

        }

        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);

                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

                        XMLEntity xml = s.getXMLEntity();

                        if (!targetFile.

                                        getAbsolutePath().

                                        toLowerCase().

                                        endsWith(fExtension))

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

                        if(targetFile.exists()){

                                int resp = JOptionPane.showConfirmDialog(

                                                (Component) PluginServices.getMainFrame(),

                                                PluginServices.getText(this,

                                                "fichero_ya_existe_seguro_desea_guardarlo"),

                                                PluginServices.getText(this,"guardar"), JOptionPane.YES_NO_OPTION);

                                if (resp != JOptionPane.YES_OPTION) {

                                        return;

                                }

                        }

                        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;

        }

        @Override

        public void actionPerformed(ActionEvent e) {

                if (!act) return;

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

                performActionOn(selectedElement, (JComponent) e.getSource());

                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);

        }

        public void windowClosed() {

                if (!accepted) {

                        IStyle clonedStyle = null;

                        if (previousStyle != null){

                                clonedStyle = SymbologyFactory.createStyleFromXML(

                                        ((IStyle)previousStyle).getXMLEntity(), "");

                        }

                        ((StylePreviewer) jPanelPreview).setStyle(clonedStyle);

                }

        }

        /**

         * Invoked when the RESET button is pressed

         */

        protected void resetPressed() {

                IStyle clonedStyle = null;

                if (previousStyle != null){

                        clonedStyle = SymbologyFactory.createStyleFromXML(

                                ((IStyle)previousStyle).getXMLEntity(), "");

                }

                setStyle(clonedStyle);

        }

}