| gvSIG desktop 1

/* 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

 */

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

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import java.util.prefs.Preferences;

import javax.swing.ImageIcon;

import javax.swing.JCheckBox;

import javax.swing.JPanel;

import javax.swing.JTextArea;

import javax.swing.JTextField;

import javax.swing.event.ChangeEvent;

import javax.swing.event.ChangeListener;

import com.iver.andami.PluginServices;

import com.iver.andami.preferences.AbstractPreferencePage;

import com.iver.andami.preferences.StoreException;

/**

* @author Vicente Caballero Navarro

**/

public class FieldExpresionPage extends AbstractPreferencePage {

        private static Preferences prefs = Preferences.userRoot().node( "fieldExpresionOptions" );

        private JTextArea jTextArea = null;

        private JTextField txtLimit;

        private JCheckBox ckLimit=null;

        private ImageIcon icon;

        public FieldExpresionPage() {

                super();

                icon = new ImageIcon(this.getClass().getClassLoader().getResource("images/FieldExpresion.png"));

                addComponent(getJTextArea());

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

                        txtLimit = new JTextField("", 15));

                addComponent(ckLimit = new JCheckBox(PluginServices.getText(this, "without_limit")));

                ckLimit.addMouseListener(new MouseListener() {

                        public void mouseClicked(MouseEvent e) {

                                if (ckLimit.isSelected()) {

                                        txtLimit.setText(PluginServices.getText(this, "without_limit"));

                                }else {

                                        if (txtLimit.getText().equals(PluginServices.getText(this, "without_limit")))

                                        txtLimit.setText("500000");

                                }

                        }

                        public void mouseEntered(MouseEvent e) {

                        }

                        public void mouseExited(MouseEvent e) {

                        }

                        public void mousePressed(MouseEvent e) {

                        }

                        public void mouseReleased(MouseEvent e) {

                        }

                });

        }

        public void initializeValues() {

                int limit = prefs.getInt("limit_rows_in_memory",-1);

                if (limit==-1) {

                        ckLimit.setSelected(true);

                        txtLimit.setText(PluginServices.getText(this,"without_limit"));

                }else {

                        ckLimit.setSelected(false);

                        txtLimit.setText(String.valueOf(limit));

                }

        }

        public String getID() {

                return this.getClass().getName();

        }

        public String getTitle() {

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

        }

        public JPanel getPanel() {

                return this;

        }

        public void storeValues() throws StoreException {

                int limit;

                try{

                        if (ckLimit.isSelected()) {

                                limit=-1;

                        }else {

//                        if (txtLimit.getText().equals(PluginServices.getText(this,"without_limit"))) {

//                                limit=-1;

//                        }else {

                                limit=Integer.parseInt(txtLimit.getText());

                        }

                }catch (Exception e) {

                        throw new StoreException(PluginServices.getText(this,"limit_rows_in_memory")+PluginServices.getText(this,"error"));

                }

                prefs.putInt("limit_rows_in_memory", limit);

        }

        public void initializeDefaults() {

                int limit=prefs.getInt("limit_rows_in_memory",-1);

                if (limit==-1) {

                        ckLimit.setSelected(true);

                        txtLimit.setText(PluginServices.getText(this,"without_limit"));

                }else {

                        ckLimit.setSelected(false);

                        txtLimit.setText(String.valueOf(limit));

                }

        }

        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,"specifies_the_limit_rows_in_memory_when_the_program_eval_the_expresion"));

                }

                return jTextArea;

        }

        public boolean isValueChanged() {

                return super.hasChanged();

        }

        public void setChangesApplied() {

                setChanged(false);

        }

}