| gvSIG desktop 1

/* 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.gui.preferences.panels;

import java.awt.Component;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.ArrayList;

import javax.swing.BorderFactory;

import javax.swing.ButtonGroup;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JList;

import javax.swing.JRadioButton;

import javax.swing.ListCellRenderer;

import org.gvsig.raster.Configuration;

import org.gvsig.raster.datastruct.ColorTable;

import org.gvsig.raster.datastruct.persistence.ColorTableLibraryPersistence;

import org.gvsig.raster.gui.preferences.combocolortable.PaintItem;

import org.gvsig.raster.gui.preferences.combocolortable.PreferenceColorTableIconPainter;

import org.gvsig.raster.util.BasePanel;

import com.iver.utiles.FileUtils;

/**

 * PreferenceLoadLayer es una clase para la configuracion de las preferencias

 * de una capa raster.

 * 

 * @version 14/12/2007

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

 */

public class PreferenceLoadLayer extends BasePanel implements ActionListener {

        private static final long    serialVersionUID      = 1L;

        private JComboBox            comboBoxColorTable    = null;

        private JRadioButton         radioButtonRealce     = null;

        private JRadioButton         radioButtonColorTable = null;

        private JLabel               labelLoadLayer        = null;

        private ButtonGroup          buttonGroup           = null;

        /**

         *Inicializa componentes gr?ficos y traduce

         */

        public PreferenceLoadLayer() {

                init();

                translate();

        }

        /**

         * Traduce los textos de esta clase

         */

        protected void translate() {

                setBorder(BorderFactory.createTitledBorder(getText(this, "carga_capas")));

                getLabelLoadLayer().setText(getText(this, "loadlayer_aplicar") + ":");

                getRadioButtonRealce().setText(getText(this, "realce"));

                getRadioButtonColorTable().setText(getText(this, "tabla_color"));

        }

        protected void init() {

                GridBagConstraints gridBagConstraints;

                setLayout(new GridBagLayout());

                gridBagConstraints = new GridBagConstraints();

                gridBagConstraints.gridx = 0;

                gridBagConstraints.gridy = 0;

                gridBagConstraints.gridwidth = 2;

                gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

                gridBagConstraints.anchor = GridBagConstraints.WEST;

                gridBagConstraints.insets = new Insets(5, 5, 2, 5);

                add(getLabelLoadLayer(), gridBagConstraints);

                gridBagConstraints = new GridBagConstraints();

                gridBagConstraints.gridx = 0;

                gridBagConstraints.gridy = 1;

                gridBagConstraints.gridwidth = 2;

                gridBagConstraints.anchor = GridBagConstraints.WEST;

                gridBagConstraints.insets = new Insets(2, 5, 2, 5);

                add(getRadioButtonRealce(), gridBagConstraints);

                gridBagConstraints = new GridBagConstraints();

                gridBagConstraints.gridx = 0;

                gridBagConstraints.gridy = 2;

                gridBagConstraints.anchor = GridBagConstraints.WEST;

                gridBagConstraints.insets = new Insets(2, 5, 5, 2);

                add(getRadioButtonColorTable(), gridBagConstraints);

                gridBagConstraints = new GridBagConstraints();

                gridBagConstraints.gridx = 1;

                gridBagConstraints.gridy = 2;

                gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

                gridBagConstraints.weightx = 1.0;

                gridBagConstraints.insets = new Insets(2, 2, 5, 5);

                add(getComboBoxColorTable(), gridBagConstraints);

        }

        /**

         * Obtiene el path del fichero de paletas

         * @return

         */

        public String getPalettesPath() {

                return ( FileUtils.getAppHomeDir() + "colortable" );

        }

        /**

         * Obtiene el grupo de botones 

         * @return ButtonGroup

         */

        public ButtonGroup getButtonGroup() {

                if(buttonGroup == null)

                        buttonGroup = new ButtonGroup();

                return buttonGroup;

        }

        public JRadioButton getRadioButtonRealce() {

                if (radioButtonRealce == null) {

                        radioButtonRealce = new JRadioButton();

                        getButtonGroup().add(radioButtonRealce);

                        radioButtonRealce.addActionListener(this);

                        radioButtonRealce.setSelected(true);

                        radioButtonRealce.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));

                        radioButtonRealce.setMargin(new Insets(0, 0, 0, 0));

                }

                return radioButtonRealce;

        }

        public JRadioButton getRadioButtonColorTable() {

                if (radioButtonColorTable == null) {

                        radioButtonColorTable = new JRadioButton();

                        getButtonGroup().add(radioButtonColorTable);

                        radioButtonColorTable.addActionListener(this);

                        radioButtonColorTable.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));

                        radioButtonColorTable.setMargin(new Insets(0, 0, 0, 0));

                }

                return radioButtonColorTable;

        }

        public JLabel getLabelLoadLayer() {

                if (labelLoadLayer == null) {

                        labelLoadLayer = new JLabel();

                }

                return labelLoadLayer;

        }

        public JComboBox getComboBoxColorTable() {

                if (comboBoxColorTable == null) {

                        comboBoxColorTable = new JComboBox();

                        ArrayList fileList = ColorTableLibraryPersistence.getPaletteFileList(getPalettesPath());

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

                                ArrayList paletteItems = new ArrayList();

                                String paletteName = ColorTableLibraryPersistence.loadPalette(getPalettesPath(), (String) fileList.get(i), paletteItems);

                                if (paletteItems.size() <= 0)

                                        continue;

                                ColorTable colorTable = new ColorTable();

                                colorTable.setName(paletteName);

                                colorTable.createPaletteFromColorItems(paletteItems, true);

                                colorTable.setInterpolated(true);

                                ArrayList array = new ArrayList();

                                array.add(paletteName);

                                array.add(new PreferenceColorTableIconPainter(colorTable));

                                comboBoxColorTable.addItem(array);

                        }

                        comboBoxColorTable.setRenderer(new ListCellRenderer() {

                                public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {

                                        ArrayList array = (ArrayList) value;

                                        PaintItem paintItem = new PaintItem((String) array.get(0), (PreferenceColorTableIconPainter) array.get(1), isSelected);

                                        return paintItem;

                                }

                        });

                }

                return comboBoxColorTable;

        }

        private void setColorTableEnabled(boolean enabled) {

                getComboBoxColorTable().setEnabled(enabled);

        }

        /**

         * Establece los valores por defecto de la clase

         */

        public void initializeDefaults() {

                getRadioButtonRealce().setSelected(true);

                setColorTableEnabled(false);

                selectComboName("Default");

        }

        private boolean selectComboName(String name) {

                if (name != null) {

                        for (int i=0; i<getComboBoxColorTable().getItemCount(); i++) {

                                if (((String) ((ArrayList) getComboBoxColorTable().getItemAt(i)).get(0)).equals(name)) {

                                        getComboBoxColorTable().setSelectedIndex(i);

                                        return true;

                                }

                        }

                }

                return false;

        }

        /**

         * Establece los valores que ha definido el usuario en los componentes

         */

        public void initializeValues() {

                String colorTable = Configuration.getValue("loadlayer_usecolortable", (String) null);

                boolean finded = selectComboName(colorTable);

                if (finded == false) {

                        getRadioButtonRealce().setSelected(true);

                        setColorTableEnabled(false);

                        Configuration.setValue("loadlayer_usecolortable", (String) null);

                        selectComboName("Default");

                } else {

                        getRadioButtonColorTable().setSelected(true);

                        setColorTableEnabled(true);

                }

        }

        /**

         * Guarda los valores que hay en los componentes como valores de configuracion

         */

        public void storeValues() {

                if (getRadioButtonColorTable().isSelected())

                        Configuration.setValue("loadlayer_usecolortable", (String) ((ArrayList) getComboBoxColorTable().getSelectedItem()).get(0));

                else

                        Configuration.setValue("loadlayer_usecolortable", null);

        }

        public void actionPerformed(ActionEvent e) {

                if (getRadioButtonColorTable().isSelected()) {

                        setColorTableEnabled(true);

                } else {

                        setColorTableEnabled(false);

                }

        }

}