Application: gvSIG desktop » gvSIG raster

/* 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.

* 

*/

package org.gvsig.raster.tools.app.basic.tool.colortable.ui.library;

import java.awt.BorderLayout;

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.IOException;

import java.util.ArrayList;

import java.util.EventObject;

import java.util.Iterator;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFileChooser;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.Launcher;

import org.gvsig.fmap.dal.coverage.RasterLocator;

import org.gvsig.fmap.dal.coverage.RasterManager;

import org.gvsig.fmap.dal.coverage.datastruct.ColorItem;

import org.gvsig.fmap.dal.coverage.datastruct.ColorTableLibrary;

import org.gvsig.fmap.dal.coverage.exception.FilePaletteException;

import org.gvsig.fmap.dal.coverage.exception.RasterLegendIONotFound;

import org.gvsig.fmap.dal.coverage.store.props.ColorTable;

import org.gvsig.gui.beans.listview.ListViewComponent;

import org.gvsig.gui.beans.listview.ListViewItem;

import org.gvsig.gui.beans.listview.ListViewListener;

import org.gvsig.raster.tools.app.basic.RasterToolsUtil;

import org.gvsig.raster.tools.app.basic.tool.colortable.data.ColorTableData;

import org.gvsig.raster.util.BasePanel;

import org.gvsig.raster.util.ExtendedFileFilter;

/**

 * Panel que aparece en la parte inferior derecha que contiene la lista

 * de librerias disponibles para las tablas de color, con sus botones correspondientes

 * para importar, exportar, borrar y a?adir librerias.

 * 

 * 19/02/2008

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public class ColorTableLibraryPanel extends BasePanel implements ActionListener, ListViewListener {

        private static final long serialVersionUID       = 1L;

        private JPanel            panelButtons           = null;

        private JButton           buttonAdd              = null;

        private JButton           buttonDel              = null;

        private JButton           buttonImport           = null;

        private JButton           buttonExport           = null;

        private ListViewComponent listViewComponent      = null;

        private boolean           hasChanged             = false;

        private ArrayList<ColorTableLibraryListener>         

                                  actionCommandListeners = new ArrayList<ColorTableLibraryListener>();

        private ColorTableData    colorTableData         = null;

        private ColorTable        currentColorTable      = null;

        public static String      palettesPath           = Launcher.getAppHomeDir() + File.separator + "colortable";

        private ColorTableLibrary tableLib               = null;

        private RasterManager     rManager               = null;

        /**

         *Inicializa componentes gr?ficos y traduce

         */

        public ColorTableLibraryPanel() {

                init();

                translate();

        }

        public ColorTableLibraryPanel(ColorTableData colorTableData){

                this.colorTableData = colorTableData;

                init();

                translate();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.util.BasePanel#init()

         */

        protected void init() {

                rManager = RasterLocator.getManager();

                tableLib = rManager.getDataStructFactory().getColorTableLibrary();

                setLayout(new BorderLayout());

                JPanel panel = new JPanel();

                panel.setLayout(new BorderLayout());

                panel.setBorder(javax.swing.BorderFactory.createEmptyBorder(8, 8, 8, 8));

                JScrollPane jScrollPane = new JScrollPane();

                jScrollPane.setViewportView(getListViewComponent());

                jScrollPane.setAutoscrolls(true);

                panel.add(jScrollPane, BorderLayout.CENTER);

                add(panel, BorderLayout.CENTER);

                add(getPanelButtons(), BorderLayout.SOUTH);

                setPreferredSize(new Dimension(0, 192));

                loadDiskLibrary();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.util.BasePanel#translate()

         */

        protected void translate() {

        }

        private void loadDiskLibrary() {

                try {

                        ArrayList<String> fileList = tableLib.getPaletteFileList(palettesPath);

                        for (int i = 0; i < fileList.size(); i++) {

                                ArrayList<ColorItem> paletteItems = new ArrayList<ColorItem>();

                                String paletteName = tableLib.loadPalette(palettesPath, (String) fileList.get(i), paletteItems);

                                if (paletteItems.size() <= 0)

                                        continue;

                                ColorTable colorTable = tableLib.createColorTable();

                                colorTable.setName(paletteName);

                                colorTable.createPaletteFromColorItems(paletteItems, true);

                                colorTable.setInterpolated(true);

                                ListViewItem item = new ListViewItem(new ColorTableIconPainter(colorTable), paletteName);

                                item.setTag(fileList.get(i));

                                getListViewComponent().addItem(item);

                        }

                        getListViewComponent().sort();

                        getListViewComponent().setSelectedIndex(0);

                        callColorTableChanged();

                } catch (FilePaletteException e) {

                        RasterToolsUtil.messageBoxError(e.getMessage(), this, e);

                }

        }

        /**

         * Devuelve el jButtonAdd

         * @return

         */

        private JButton getButtonAdd() {

                if (buttonAdd == null) {

                        ImageIcon icon = null;

                        try {

                                icon = IconThemeHelper.getImageIcon("addlayer-icon");

                        } catch (NullPointerException n) {

                                // No ha encontrado el icono, no lo muestra.

                        }

                        buttonAdd = new JButton(icon);

                        buttonAdd.setPreferredSize(new Dimension(22, 19));

                        buttonAdd.addActionListener(this);

                        buttonAdd.setToolTipText(getText(this, "nueva_libreria_title"));

                }

                return buttonAdd;

        }

        /**

         * Devuelve el jButtonDel

         * @return

         */

        private JButton getButtonDel() {

                if (buttonDel == null) {

                        ImageIcon icon = null;

                        try {

                                icon = IconThemeHelper.getImageIcon("delall-icon");

                        } catch (NullPointerException n) {

                                // No ha encontrado el icono, no lo muestra.

                        }

                        buttonDel = new JButton(icon);

                        buttonDel.setPreferredSize(new Dimension(22, 19));

                        buttonDel.addActionListener(this);

                        buttonDel.setToolTipText(getText(this, "borrar_libreria"));

                }

                return buttonDel;

        }

        /**

         * Devuelve el jButtonDel

         * @return

         */

        private JButton getButtonImport() {

                if (buttonImport == null) {

                        ImageIcon icon = null;

                        try {

                                icon = IconThemeHelper.getImageIcon("import-icon");

                        } catch (NullPointerException n) {

                                // No ha encontrado el icono, no lo muestra.

                        }

                        buttonImport = new JButton(icon);

                        buttonImport.setPreferredSize(new Dimension(22, 19));

                        buttonImport.addActionListener(this);

                        buttonImport.setToolTipText(getText(this, "import_libreria"));

                }

                return buttonImport;

        }

        /**

         * Devuelve el jButtonDel

         * @return

         */

        private JButton getButtonExport() {

                if (buttonExport == null) {

                        ImageIcon icon = null;

                        try {

                                icon = IconThemeHelper.getImageIcon("view-export-image");

                        } catch (NullPointerException n) {

                                // No ha encontrado el icono, no lo muestra.

                        }

                        buttonExport = new JButton(icon);

                        buttonExport.setPreferredSize(new Dimension(22, 19));

                        buttonExport.addActionListener(this);

                        buttonExport.setToolTipText(getText(this, "export_libreria"));

                }

                return buttonExport;

        }

        /**

         * Devuelve el panel de botones de la libreria de a?adir y borrar

         * @return

         */

        private JPanel getPanelButtons() {

                if (panelButtons == null) {

                        panelButtons = new JPanel();

                        panelButtons.setPreferredSize(new Dimension(0, 21));

                        FlowLayout flowLayout5 = new FlowLayout();

                        flowLayout5.setHgap(5);

                        flowLayout5.setVgap(0);

                        flowLayout5.setAlignment(java.awt.FlowLayout.CENTER);

                        panelButtons.setLayout(flowLayout5);

                        panelButtons.add(getButtonAdd(), null);

                        panelButtons.add(getButtonExport(), null);

                        panelButtons.add(getButtonImport(), null);

                        panelButtons.add(getButtonDel(), null);

                }

                return panelButtons;

        }

        private ListViewComponent getListViewComponent() {

                if (listViewComponent == null) {

                        listViewComponent = new ListViewComponent();

                        listViewComponent.addListSelectionListener(this);

                        listViewComponent.setEditable(true);

                }

                return listViewComponent;

        }

        private void callColorTableChanged() {

                Iterator<ColorTableLibraryListener> acIterator = actionCommandListeners.iterator();

                while (acIterator.hasNext()) {

                        ColorTableLibraryListener listener = (ColorTableLibraryListener) acIterator.next();

                        listener.actionColorTableChanged(new ColorTableLibraryEvent(this));

                }

        }

        /**

         * Accion que se ejecuta cuando se disparan los siguientes eventos:

         *  - Checkbox de interpolacion.

         *  - Checkbox de habilitacion de colortables.

         *  - Boton de a?adir un colortable nuevo.

         *  - Boton de borrar un colortable seleccionado.

         */

        public void actionPerformed(ActionEvent e) {

                if (e.getSource() == getButtonAdd()) {

                        AddLibraryWindow addLibrary = new AddLibraryWindow();

                        if (addLibrary.showConfirm(this) == JOptionPane.OK_OPTION) {

                                ColorTable colorTable = addLibrary.getColorTable();

                                if (colorTable != null) {

                                        ListViewItem item = new ListViewItem(new ColorTableIconPainter(colorTable), colorTable.getName());

                                        item.setTag(item.getName() + ".xml");

                                        getListViewComponent().addItem(item);

                                        getListViewComponent().setSelectedIndex(getListViewComponent().getItems().size() - 1);

                                        ((ColorTableIconPainter) item.getIcon()).getColorTable().setName(item.getName());

                                        colorTable.setName(((ColorTableIconPainter) item.getIcon()).getColorTable().getName());

                                        tableLib.save_to_1_1(palettesPath, colorTable);

                                        callColorTableChanged();

                                }

                        }

                        getListViewComponent().sort();

                }

                if (e.getSource() == getButtonExport()) {

                        JFileChooser chooser = new JFileChooser();

                        chooser.setAcceptAllFileFilterUsed(false);

                        String[] formats = tableLib.getFormats();

                        ExtendedFileFilter fileFilter = null;

                        ExtendedFileFilter firstFileFilter = null;

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

                                fileFilter = new ExtendedFileFilter();

                                fileFilter.addExtension(formats[i]);

                                try {

                                        String s = RasterLocator.getManager().getFileUtils().getExtensionFromFileName(formats[i]);

                                        String desc = rManager.getRasterLegendIO(s).getDescription();

                                        if (desc != null)

                                                fileFilter.setDescription(desc);

                                } catch (RasterLegendIONotFound e1) {

                                        // Si no puedo pillar la descripcion no pasa nada

                                }

                                if (firstFileFilter == null)

                                        firstFileFilter = fileFilter;

                                chooser.addChoosableFileFilter(fileFilter);

                        }

                        if (firstFileFilter != null)

                                chooser.setFileFilter(firstFileFilter);

                        int returnVal = chooser.showSaveDialog(this);

                        if (returnVal == JFileChooser.APPROVE_OPTION) {

                                try {

                                        if (colorTableData != null){        

                                                tableLib.save_to_1_1(ColorTableLibraryPanel.palettesPath, colorTableData.getColorTable());

                                        }

                                        ExtendedFileFilter filter = (ExtendedFileFilter) chooser.getFileFilter();

                                        String file = filter.getNormalizedFilename(chooser.getSelectedFile());

                                        String s = RasterLocator.getManager().getFileUtils().getExtensionFromFileName(file);

                                        rManager.getRasterLegendIO(s).write(getColorTableSelected(), new File(file));

                                } catch (IOException e1) {

                                        e1.printStackTrace();

                                } catch (RasterLegendIONotFound e1) {

                                        e1.printStackTrace();

                                }

                        }

                }

                if (e.getSource() == getButtonImport()) {

                        JFileChooser chooser = new JFileChooser();

                        chooser.setAcceptAllFileFilterUsed(false);

                        chooser.setMultiSelectionEnabled(true);

                        String[] formats = tableLib.getFormats();

                        ExtendedFileFilter allFilters = new ExtendedFileFilter();

                        ExtendedFileFilter fileFilter = null;

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

                                fileFilter = new ExtendedFileFilter();

                                fileFilter.addExtension(formats[i]);

                                allFilters.addExtension(formats[i]);

                                try {

                                        String s = RasterLocator.getManager().getFileUtils().getExtensionFromFileName((formats[i]));

                                        String desc = rManager.getRasterLegendIO(s).getDescription();

                                        if (desc != null)

                                                fileFilter.setDescription(desc);

                                } catch (RasterLegendIONotFound e1) {

                                        // Si no puedo pillar la descripcion no pasa nada

                                }

                                chooser.addChoosableFileFilter(fileFilter);

                        }

                        allFilters.setDescription(getText(this, "todos_soportados"));

                        chooser.addChoosableFileFilter(allFilters);

                        chooser.setFileFilter(allFilters);

                        int returnVal = chooser.showOpenDialog(this);

                        if (returnVal == JFileChooser.APPROVE_OPTION) {

                                try {

                                        for (int file = 0; file<chooser.getSelectedFiles().length; file++) {

                                                fileFilter = null;

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

                                                        fileFilter = new ExtendedFileFilter();

                                                        fileFilter.addExtension(formats[i]);

                                                        if (fileFilter.accept(chooser.getSelectedFiles()[file])) {

                                                                ColorTable colorTable = rManager.getRasterLegendIO(formats[i]).read(chooser.getSelectedFiles()[file]);

                                                                if (colorTable != null){

                                                                        colorTable.setInterpolated(true);

                                                                        ListViewItem item = new ListViewItem(new ColorTableIconPainter(colorTable), colorTable.getName());

                                                                        item.setTag(item.getName() + ".xml");

                                                                        getListViewComponent().addItem(item);

                                                                        getListViewComponent().setSelectedIndex(getListViewComponent().getItems().size() - 1);

                                                                        ((ColorTableIconPainter) item.getIcon()).getColorTable().setName(item.getName());

                                                                        colorTable.setName(((ColorTableIconPainter) item.getIcon()).getColorTable().getName());

                                                                        tableLib.save_to_1_1(palettesPath, colorTable);

                                                                        callColorTableChanged();

                                                                } else {

                                                                        RasterToolsUtil.messageBoxError("error_importando_tabla_color_rmf", this);

                                                                }

                                                                break;

                                                        }

                                                }

                                        }

                                } catch (IOException e1) {

                                        e1.printStackTrace();

                                        RasterToolsUtil.messageBoxError("error_importando_tabla_color_rmf", this);

                                } catch (RasterLegendIONotFound e1) {

                                        e1.printStackTrace();

                                }

                        }

                }

                if (e.getSource() == getButtonDel()) {

                        if (getListViewComponent().getSelectedIndices().length > 0) {

                                if (RasterToolsUtil.messageBoxYesOrNot("desea_borrar_librerias", this)) {

                                        File oldFile = new File(palettesPath + File.separator + getListViewComponent().getSelectedValue().getTag());

                                        oldFile.delete();

                                        int pos = getListViewComponent().getSelectedIndices()[0];

                                        getListViewComponent().removeSelecteds();

                                        if (getListViewComponent().getItems().size() == 0) {

                                                loadDiskLibrary();

                                        } else {

                                                getListViewComponent().setSelectedIndex(pos - 1);

                                                callColorTableChanged();

                                        }

                                }

                        }

                        return;

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.gui.beans.listview.ListViewListener#actionItemNameChanged(java.util.EventObject, java.lang.String, org.gvsig.gui.beans.listview.ListViewItem)

         */

        public void actionItemNameChanged(EventObject e, String oldName, ListViewItem item) {

                File oldFile = new File(palettesPath + File.separator + oldName + ".xml");

                oldFile.delete();

                getColorTableSelected().setName(item.getName());

                item.setTag(item.getName() + ".xml");

                tableLib.save_to_1_1(palettesPath, getColorTableSelected());

                callColorTableChanged();

        }

        /**

         * Comprueba si el usuario ha cambiado los valores de la tabla de colores,

         * si es as?, le pregunta al usuario si quiere guardar los datos, y seg?n la

         * selecci?n, restaura los datos antiguos o los machaca.

         */

        private void testLibraryChanged() {

                if (hasChanged) {

                        if (RasterToolsUtil.messageBoxYesOrNot("desea_guardar_cambios", this)) {

                                tableLib.save_to_1_1(palettesPath, getColorTableSelected());

                                getListViewComponent().repaint();

                        }

                        hasChanged = false;

                }

        }

        /**

         * Selecciona la tabla de color por defecto.

         */

        public void selectDefault() {

                int selected = 0;

                for (int i = 0; i < getListViewComponent().getItems().size(); i++) {

                        if (((ListViewItem) getListViewComponent().getItems().get(i)).getName().equals("Default")) {

                                selected = i;

                                break;

                        }

                }

                getListViewComponent().setSelectedIndex(selected);

                callColorTableChanged();

        }

        /**

         * Inserta una tabla de color en la posicion especificada y selecciona.

         */

        public void addColorTable(int pos, ColorTable colorTable) {

                ListViewItem item = new ListViewItem(new ColorTableIconPainter(colorTable), getText(this, "tabla_actual"));

                getListViewComponent().addItem(pos, item);

                getListViewComponent().setSelectedIndex(pos);

                callColorTableChanged();

        }

        /**

         * Accion que se ejecuta cuando cambia la seleccion de un item del

         * ListViewComponent

         */

        public void actionValueChanged(EventObject e) {

                currentColorTable = ((ColorTableIconPainter) getListViewComponent().getSelectedValue().getIcon()).getColorTable();

                testLibraryChanged();

                callColorTableChanged();

        }

        /**

         * Define si se visualizara el componente con interpolacion o no.

         * @param enabled

         */

        public void setInterpolated(boolean enabled) {

                for (int i = 0; i < getListViewComponent().getItems().size(); i++)

                        ((ColorTableIconPainter) ((ListViewItem) getListViewComponent().getItems().get(i)).getIcon()).setInterpolated(enabled);

                getListViewComponent().repaint();

        }

        /**

         * A?adir un listener a la lista de eventos

         * @param listener

         */

        public void addColorTableLibraryListener(ColorTableLibraryListener listener) {

                if (!actionCommandListeners.contains(listener))

                        actionCommandListeners.add(listener);

        }

        /**

         * Borrar un listener de la lista de eventos

         * @param listener

         */

        public void removeColorTableLibraryListener(ColorTableLibraryListener listener) {

                actionCommandListeners.remove(listener);

        }

        /**

         * Devuelve la tabla de color que hay seleccionada en ese momento

         * @return

         */

        public ColorTable getColorTableSelected() {

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

                        currentColorTable = ((ColorTableIconPainter) getListViewComponent().getSelectedValue().getIcon()).getColorTable();

                }

                return currentColorTable;

        }

        /**

         * Reescribe la tabla de color en la posicion seleccionada

         * @param colorTable

         */

        public void setColorTableSelected(ColorTable colorTable) {

                hasChanged = true;

                ((ColorTableIconPainter) getListViewComponent().getSelectedValue().getIcon()).getColorTable().createPaletteFromColorItems(colorTable.getColorItems(), false);

                getListViewComponent().repaint();

        }

}