Application: gvSIG desktop

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

 *

 * Copyright (C) 2008 Software Colaborativo.

 *

 * 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

 *

 */

/* CVS MESSAGES:

*

*/

package com.iver.cit.gvsig.gui.preferencespage;

import java.nio.charset.Charset;

import java.nio.charset.UnsupportedCharsetException;

import java.util.prefs.Preferences;

import javax.swing.ImageIcon;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JTextArea;

import javax.swing.JTextField;

import org.apache.log4j.Logger;

import com.iver.andami.PluginServices;

import com.iver.andami.preferences.AbstractPreferencePage;

import com.iver.andami.preferences.StoreException;

import com.iver.cit.gvsig.fmap.drivers.dbf.DbaseFile;

import com.iver.cit.gvsig.fmap.drivers.dbf.DbfEncodings;

import com.iver.cit.gvsig.fmap.drivers.shp.DbaseFileNIO;

import com.iver.utiles.swing.JComboBox;

/**

 * @author Fjp

 * TODO: To be developed in future releases.

 *

 */

public class DbfDefaultEncodingPage extends AbstractPreferencePage {

        private static Preferences prefs = Preferences.userRoot().node( "gvSIG.encoding.dbf" );

        private JTextArea jTextArea = null;

        private JComboBox cmbDefaultDbfCharset;

        private DbfEncodings dbfEncodings = DbfEncodings.getInstance();

        private ImageIcon icon;

        public DbfDefaultEncodingPage() {

                super();

                icon = new ImageIcon(this.getClass().getClassLoader().getResource("images/icu_logo_encoding.gif"));

                addComponent(getJTextArea());

                int[] ids=dbfEncodings.getSupportedDbfLanguageIDs();

                String[] encodings=new String[ids.length-1];

                for (int i=1;i<encodings.length;i++){

                        encodings[i]=dbfEncodings.getCharsetForDbfId(ids[i]);

                }

                addComponent(PluginServices.getText(this, "dbf_default_encoding") + ":",

                        cmbDefaultDbfCharset = new JComboBox(encodings));

        }

        public void initializeValues() {

                if (prefs.get("dbf_encoding", null) != null) {

                        String charsetName=prefs.get("dbf_encoding", DbaseFile.getDefaultCharset().toString());

                        Charset newDefaultCharset=null;

                        try{

                                newDefaultCharset = Charset.forName(charsetName);

                        }catch (UnsupportedCharsetException e) {

                                JOptionPane.showMessageDialog(null, "Unsupported CharSet for the System");

                                Logger.getLogger(this.getClass()).warn(e.getLocalizedMessage(), e);

                                newDefaultCharset = Charset.defaultCharset();

                        }

        //                Charset newDefaultCharset = Charset.forName(charsetName);

                        cmbDefaultDbfCharset.setSelectedItem(charsetName);

                        DbaseFile.setDefaultCharset(newDefaultCharset);

                        DbaseFileNIO.setDefaultCharset(newDefaultCharset);

                }

        }

        public String getID() {

                return this.getClass().getName();

        }

        public String getTitle() {

                return PluginServices.getText(this, "dbf_default_encoding");

        }

        public JPanel getPanel() {

                return this;

        }

        /* (non-Javadoc)

         * @see com.iver.andami.preferences.AbstractPreferencePage#storeValues()

         */

        public void storeValues() throws StoreException {

                String charsetName = (String)cmbDefaultDbfCharset.getSelectedItem();

                if (Charset.isSupported(charsetName))

                {

                        prefs.put("dbf_encoding", charsetName);

                        Charset newDefaultCharset = Charset.forName(charsetName);

                        DbaseFile.setDefaultCharset(newDefaultCharset);

                        DbaseFileNIO.setDefaultCharset(newDefaultCharset);

                }

                else

                {

                        if (cmbDefaultDbfCharset.getSelectedIndex() == 0) {

                                prefs.remove("dbf_encoding");

                                DbaseFile.setDefaultCharset(null);

                                DbaseFileNIO.setDefaultCharset(null);

                        }

                        else

                                throw new StoreException("Bad charsetName");

                }

                // ?Guardar en alguna clase el charset?

        }

        public void initializeDefaults() {

                cmbDefaultDbfCharset.setSelectedItem(dbfEncodings.getCharsetForDbfId(0));

        }

        public ImageIcon getIcon() {

                return icon;

        }

        /**

         * This method initializes jTextArea

         *

         * @return javax.swing.JTextArea

         */

        private JTextArea getJTextArea() {

                if (jTextArea == null) {

                        jTextArea = new JTextArea();

                        jTextArea.setBounds(new java.awt.Rectangle(13,7,285,57));

                        jTextArea.setForeground(java.awt.Color.black);

                        jTextArea.setBackground(java.awt.SystemColor.control);

                        jTextArea.setRows(3);

                        jTextArea.setWrapStyleWord(true);

                        jTextArea.setLineWrap(true);

                        jTextArea.setEditable(false);

                        jTextArea.setText(PluginServices.getText(this,"default_charset_name_for_dbf"));

                }

                return jTextArea;

        }

        public boolean isValueChanged() {

                return super.hasChanged();

        }

        public void setChangesApplied() {

                setChanged(false);

        }

}