Application: gvSIG desktop » gvSIG projections

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

 *

 * Copyright (C) 2006 Instituto de Desarrollo Regional 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

 *

 *   Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)

 *   Campus Universitario s/n

 *   02071 Alabacete

 *   Spain

 *

 *   +34 967 599 200

 */

package org.gvsig.crs.gui.panels.wizard;

import java.awt.BorderLayout;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.FocusEvent;

import java.awt.event.FocusListener;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.util.ArrayList;

import javax.swing.BorderFactory;

import javax.swing.ButtonGroup;

import javax.swing.JButton;

import javax.swing.JLabel;

import javax.swing.JList;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.JTextField;

import javax.swing.plaf.basic.BasicComboBoxRenderer;

import javax.units.ConversionException;

import javax.units.Unit;

import org.geotools.referencing.crs.AbstractSingleCRS;

import org.geotools.referencing.datum.DefaultEllipsoid;

import org.geotools.referencing.datum.DefaultGeodeticDatum;

import org.geotools.referencing.datum.DefaultPrimeMeridian;

import org.gvsig.andami.PluginServices;

import org.gvsig.crs.CrsException;

import org.gvsig.crs.CrsFactory;

import org.gvsig.crs.ICrs;

import org.gvsig.crs.gui.dialog.ImportNewCrsDialog;

import org.gvsig.crs.gui.listeners.TransformationCompuestaPanelListener;

import org.gvsig.utils.swing.JComboBox;

import org.opengis.referencing.crs.CoordinateReferenceSystem;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import es.idr.teledeteccion.connection.EpsgConnection;

import es.idr.teledeteccion.connection.Query;

/**

 * Panel de definicin del Datum 

 * 

 * @author Luisa Marina Fernandez Ruiz (luisam.fernandez@uclm.es)

 * @author Jose Luis Gomez Martinez (joseluis.gomez@uclm.es)

 * 

 *

 */

public class DefinirDatum extends JPanel implements ActionListener, FocusListener, ItemListener, KeyListener{

        public static final Logger logger = LoggerFactory.getLogger(DefinirDatum.class);

        private JTextField txtDatum;

        private JTextField txtElipsoide;

        private JTextField txtSemMay;

        private JTextField txtSemMen;

        private JTextField txtInvF;

        private JTextField txtMeridian;

        private JTextField txtLong;

        private JTextField txtNombreCrs;

        private JTextField txtCodigoCrs;

        private JLabel lblDatum;

        private JLabel lblElipsoide;

        private JLabel lblMeridian;

        private JLabel lblLong;

        private JLabel lblNombreCrs;

        private JLabel lblCodigoCrs;

        private JLabel lblSemiejeMayor;

        private JLabel lblSemiejeMenor;

        private JLabel lblInverseFlat;

        private JLabel lblDefinir;

        private JButton btnImportDatum;

        private JButton btnImportElipsoide;

        private JButton btnImportMeridian;

        private JComboBox cbSemMay;

        private JComboBox cbSemMen;

        private JComboBox cbInvF;

        private JComboBox cbLong;

        private JRadioButton rbA_Inv;

        private JRadioButton rbA_B;

        private ButtonGroup groupRadioButton;

        private Dimension bigSize;

        private Dimension smallSize;

        private Dimension dimLabels;

//        private ImageIcon imodify;

        private static final long serialVersionUID = 1L;

        ICrs crs = null;

        private String sourceUnitLong = null;

        private String sourceUnitSemMay = null;

        private String sourceUnitSemMen = null;

        ArrayList lengthUnits = null;

        ArrayList angularUnits = null;

        int divider=10000;

        boolean primera = true;

        /**

     * Small tolerance factor for rounding errors.

     */

    private static final double EPS = 1E-8;

        public DefinirDatum() {

                super();

                dimLabels=new Dimension(110,15);

                this.setLayout(new BorderLayout());

                this.setBorder(BorderFactory.createEmptyBorder(4,4,4,4));

                bigSize=new Dimension();

                bigSize.width=350;

                smallSize=new Dimension();

                smallSize.width=130;

                inicializarNuevo();

        }

        private void inicializarNuevo(){

                JPanel pMain=new JPanel();

                JPanel pDatum=new JPanel();

                JPanel pElipsoide=new JPanel();

                JPanel pMeridian=new JPanel();

                JPanel pNorthis=new JPanel(new FlowLayout(FlowLayout.LEFT,10,5));

                pMain.setLayout(new BorderLayout());

                pMain.setBorder(BorderFactory.createTitledBorder(PluginServices.getText(this,"Dat_nDatum")));

                pElipsoide.setBorder(BorderFactory.createTitledBorder(PluginServices.getText(this,"Dat_nElipsoide")));

                pMeridian.setBorder(BorderFactory.createTitledBorder(PluginServices.getText(this,"Dat_nMeridian")));

                /*Panel que contiene los datos del Datum*/

                pDatum.setLayout(new GridLayout(2,1));

                JPanel pD1=new JPanel(new FlowLayout(FlowLayout.LEFT,10,0));

                pD1.add(getLblDatum());

                JPanel pD2=new JPanel(new FlowLayout(FlowLayout.LEFT,10,0));

                pD2.add(getTxtDatum());

                pD2.add(getBtnImportDatum());

                pDatum.add(pD1);

                pDatum.add(pD2);

                /*Panel que contiene los datos del Elipsoide*/

                pElipsoide.setLayout(new GridLayout(6,1));

                //Crear y agregar los componentes a los subpaneles que componen el panel de definicin del elipsoide

                JPanel pE1=new JPanel(new FlowLayout(FlowLayout.LEFT,10,2));

                pE1.add(getLblElipsoide());

                JPanel pE2=new JPanel(new FlowLayout(FlowLayout.LEFT,10,2));

                pE2.add(getTxtElipsoide());

                pE2.add(getBtnImportElipsoide());

                JPanel pE3=new JPanel(new FlowLayout(FlowLayout.LEFT,10,2));

                pE3.add(getLblDefinir());

                pE3.add(getRbA_Inv());

                pE3.add(getRbA_B());

                JPanel pE4=new JPanel(new FlowLayout(FlowLayout.LEFT,10,2));

                //Semieje mayor

                pE4.add(getLblSemiejeMayor());

                pE4.add(getTxtSemMay());

                pE4.add(getCbSemMay());

                JPanel pE5=new JPanel(new FlowLayout(FlowLayout.LEFT,10,2));

                pE5.add(getLblInverseFlat());

                pE5.add(getTxtInvF());

                JPanel pE6=new JPanel(new FlowLayout(FlowLayout.LEFT,10,2));

                //Semieje menor

                pE6.add(getLblSemiejeMenor());

                pE6.add(getTxtSemMen());

                pE6.add(getCbSemMen());

                //Agregar los subpaneles al panel del Elipsoide

                pElipsoide.add(pE1);

                pElipsoide.add(pE2);

                pElipsoide.add(pE3);

                pElipsoide.add(pE4);

                pElipsoide.add(pE5);

                pElipsoide.add(pE6);

                //Agrupar los Radio Buttoms

                agruparRadioButtons();

                /*Panel que contiene los datos del Meridiano*/

                pMeridian.setLayout(new GridLayout(2,1));

                JPanel pM1=new JPanel(new FlowLayout(FlowLayout.LEFT,10,3));

                pM1.add(getLblMeridian());

                pM1.add(getTxtMeridian());

                pM1.add(getBtnImportMeridian());

                JPanel pM2=new JPanel(new FlowLayout(FlowLayout.LEFT,10,3));

                pM2.add(getLblLong());

                pM2.add(getTxtLong());

                pM2.add(getCbLong());

                pMeridian.add(pM1);

                pMeridian.add(pM2);

                pMain.add(pDatum,BorderLayout.NORTH);

                pMain.add(pElipsoide,BorderLayout.CENTER);

                pMain.add(pMeridian,BorderLayout.SOUTH);

                this.add(pMain,BorderLayout.CENTER);

                //Agregar en norte-this el nombre y el cdigo

                pNorthis.add(getLblNombreCrs());

                pNorthis.add(getTxtNombreCrs());

                pNorthis.add(getLblCodigoCrs());

                pNorthis.add(getTxtCodigoCrs());

                this.add(pNorthis,BorderLayout.NORTH);

        }

        /**

         * Inicializa el botn Importar del datum

         * @return

         */

        public JButton getBtnImportDatum() {

                if(btnImportDatum==null){

                        btnImportDatum=new JButton();

                        btnImportDatum.setText("...");

                        //btnImportDatum.setIcon(imodify);

                        btnImportDatum.addActionListener(this);

                }

                return btnImportDatum;

        }

        /**

         * Inicializa el botn Importar del Elipsoide

         * @return

         */

        public JButton getBtnImportElipsoide() {

                if(btnImportElipsoide==null){

                        btnImportElipsoide=new JButton();

                        btnImportElipsoide.setText("...");

                        //btnImportElipsoide.setIcon(imodify);

                        btnImportElipsoide.addActionListener(this);

                }

                return btnImportElipsoide;

        }

        /**

         * Inicializa el botn Importar del Meridiano

         * @return

         */

        public JButton getBtnImportMeridian() {

                if(btnImportMeridian==null){

                        btnImportMeridian=new JButton();

                        btnImportMeridian.setText("...");

                        //btnImportMeridian.setIcon(imodify);

                        btnImportMeridian.addActionListener(this);

                }

                return btnImportMeridian;

        }

        /**

         * Inicializa el Combo box con las unidades de Inverse Flat

         * @return

         */

        public JComboBox getCbInvF() {

                if (cbInvF==null){

                        ArrayList units = obtenerItemsUnidades();

                        String[] items = new String[units.size()];

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

                                items[i] = units.get(i).toString();

                        }

                        cbInvF=new JComboBox(items);

                        /*Seleccionar un item por defecto*/

                        cbInvF.setSelectedIndex(0);

                        cbInvF.addItemListener(this);

                }

                return cbInvF;

        }

        /**

         * Inicializa el Combo box con las unidades de Longitud

         * @return

         */

        public JComboBox getCbLong() {

                if (cbLong==null){

                        ArrayList units = obtenerItemsUnidadesAngle();

                        String[] items = new String[units.size()];

                        String[] tooltips = new String[units.size()];

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

                                items[i] = tooltips[i] = units.get(i).toString();

                        }

                        cbLong=new JComboBox(items);

                        cbLong.setRenderer(new ComboBoxTootipRenderer(tooltips));

                        cbLong.setPreferredSize(new Dimension(230, 25));

                        /*Seleccionar un item por defecto*/

                        cbLong.setSelectedIndex(1);

                        cbLong.addItemListener(this);

                        sourceUnitLong = getAngularUnit(cbLong.getSelectedIndex());

                }

                return cbLong;

        }

        /**

         * Inicializa el Combo box con las unidades de Semieje Mayor

         * @return

         */

        public JComboBox getCbSemMay() {

                if (cbSemMay==null){

                        ArrayList units = obtenerItemsUnidades();

                        String[] items = new String[units.size()];

                        String[] tooltips = new String[units.size()];

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

                                items[i] = tooltips[i] = units.get(i).toString();

                        }

                        cbSemMay=new JComboBox(items);

                        cbSemMay.setRenderer(new ComboBoxTootipRenderer(tooltips));

                        cbSemMay.setPreferredSize(new Dimension(230, 25));

                        /*Seleccionar un item por defecto*/

                        cbSemMay.setSelectedIndex(0);

                        cbSemMay.addItemListener(this);

                        sourceUnitSemMay = getLengthUnit(cbSemMay.getSelectedIndex());

                }

                return cbSemMay;

        }

        /**

         * Inicializa el Combo box con las unidades de Semieje Menor

         * @return

         */

        public JComboBox getCbSemMen() {

                if (cbSemMen==null){

                        ArrayList units = obtenerItemsUnidades();

                        String[] items = new String[units.size()];

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

                                items[i] = units.get(i).toString();

                        }

                        cbSemMen=new JComboBox(items);

                        /*Seleccionar un item por defecto*/

                        cbSemMen.setSelectedIndex(0);

                        cbSemMen.addItemListener(this);

                        sourceUnitSemMen = getLengthUnit(cbSemMen.getSelectedIndex());

                }

                return cbSemMen;

        }

        /*

         * Accede al la base de datos y obtiene los items de

         * los combobox

         * @return

         */

        private ArrayList obtenerItemsUnidades(){ //unidades de longitud...

                //TODO: Obtener los items del combo de la base de datos

                ArrayList items = new ArrayList();

                ArrayList lengthUnits = new ArrayList();

                String sentence = "SELECT unit_of_meas_name " +

                                                  "FROM epsg_unitofmeasure " +        

                                                  "WHERE unit_of_meas_type = 'length' " +

                                                  "AND uom_code > 9000";

                EpsgConnection connect = new EpsgConnection();

                connect.setConnectionEPSG();

                ResultSet result = Query.select(sentence,connect.getConnection());

                int in=0;

                try {

                        while (result.next()) {

                                String item = result.getString("unit_of_meas_name");

                                items.add(in,PluginServices.getText(this, item.replaceAll(" ", "_")));

                                lengthUnits.add(in, item);

                                in++;

                        }

                } catch (SQLException e) {

                        logger.error("Can't get values from resulset '"+sentence+"'.",e);

                }

                setLengthUnit(lengthUnits);

                return items;

        }

        /*

         * Accede al la base de datos y obtiene los items de

         * los combobox

         * @return

         */

        private ArrayList obtenerItemsUnidadesAngle(){ //unidades angulares...

                //TODO: Obtener los items del combo de la base de datos

                ArrayList items = new ArrayList();

                ArrayList angularUnit = new ArrayList();

                String sentence = "SELECT unit_of_meas_name " +

                                                  "FROM epsg_unitofmeasure " +                                      

                                                  "WHERE unit_of_meas_type = 'angle' " +

                                                  "AND factor_b IS NOT NULL " +

                                                  "AND factor_c IS NOT NULL " +

                                                  "AND uom_code > 9100";                

                EpsgConnection connect = new EpsgConnection();

                connect.setConnectionEPSG();

                ResultSet result = Query.select(sentence,connect.getConnection());

                int in=0;

                try {

                        while (result.next()) {

                                String item = result.getString("unit_of_meas_name");

                                items.add(in, PluginServices.getText(this, item.replaceAll(" ", "_")));

                                angularUnit.add(in, item);

                                in++;

                        }

                } catch (SQLException e) {

                        logger.error("Can't get values from resulset '"+sentence+"'.",e);

                }

                setAngularUnit(angularUnit);

                return items;

        }

        /**

         * Inicializa el JLabel Datum

         * @return

         */

        public JLabel getLblDatum() {

                if (lblDatum==null){

                        lblDatum=new JLabel();

                        lblDatum.setText(PluginServices.getText(this,"Dat_Datum"));

                }

                return lblDatum;

        }

        /**

         * Inicializa el JLabel Elipsoide

         * @return

         */

        public JLabel getLblElipsoide() {

                if (lblElipsoide==null){

                        lblElipsoide=new JLabel();

                        lblElipsoide.setText(PluginServices.getText(this,"Dat_Elips"));

                        //lblElipsoide.setText("Introduce el Elipsoide");

                }

                return lblElipsoide;

        }

        /**

         * Inicializa el JLabel Longitud

         * @return

         */

        public JLabel getLblLong() {

                if (lblLong==null){

                        lblLong=new JLabel();

                        lblLong.setText(PluginServices.getText(this,"Dat_Long"));

                        lblLong.setMinimumSize(dimLabels);

                        lblLong.setPreferredSize(dimLabels);

                }

                return lblLong;

        }

        /**

         * Inicializa el JLabel Meridiano

         * @return

         */

        public JLabel getLblMeridian() {

                if (lblMeridian==null){

                        lblMeridian=new JLabel();

                        lblMeridian.setText(PluginServices.getText(this,"Dat_Meridian"));

                        lblMeridian.setMinimumSize(dimLabels);

                        lblMeridian.setPreferredSize(dimLabels);

                }

                return lblMeridian;

        }

        /**

         * Inicializa el JLabel del Cdigo de Crs

         * @return

         */

        public JLabel getLblCodigoCrs() {

                if (lblCodigoCrs==null){

                        lblCodigoCrs=new JLabel(PluginServices.getText(this,"Dat_CodeCrs")+":");

                }

                return lblCodigoCrs;

        }

        /**

         * Inicializa el JLabel del Nombre del Crs

         * @return

         */

        public JLabel getLblNombreCrs() {

                if (lblNombreCrs==null){

                        lblNombreCrs=new JLabel(PluginServices.getText(this,"Dat_NombreCrs")+":");

                }

                return lblNombreCrs;

        }

        public JLabel getLblInverseFlat() {

                if(lblInverseFlat==null){

                        lblInverseFlat=new JLabel();

                        lblInverseFlat.setText(PluginServices.getText(this,"Dat_InvF")+(" (inv_f)"));

                        lblInverseFlat.setMinimumSize(dimLabels);

                        lblInverseFlat.setPreferredSize(dimLabels);

                }        

                return lblInverseFlat;

        }

        public JLabel getLblSemiejeMayor() {

                if(lblSemiejeMayor==null){

                        lblSemiejeMayor=new JLabel();

                        lblSemiejeMayor.setText(PluginServices.getText(this,"Dat_SemMay")+(" (a)"));

                        lblSemiejeMayor.setMinimumSize(dimLabels);

                        lblSemiejeMayor.setPreferredSize(dimLabels);

                }        

                return lblSemiejeMayor;

        }

        public JLabel getLblSemiejeMenor() {

                if(lblSemiejeMenor==null){

                        lblSemiejeMenor=new JLabel();

                        lblSemiejeMenor.setText(PluginServices.getText(this,"Dat_SemMen")+(" (b)"));

                        lblSemiejeMenor.setMinimumSize(dimLabels);

                        lblSemiejeMenor.setPreferredSize(dimLabels);

                }        

                return lblSemiejeMenor;

        }

        public JLabel getLblDefinir() {

                if(lblDefinir==null){

                        lblDefinir=new JLabel();

                        lblDefinir.setText(PluginServices.getText(this,"Dat_DefinirPor"));

                        Dimension d=new Dimension(200,15);

                        lblDefinir.setMinimumSize(d);

                        lblDefinir.setPreferredSize(d);

                }

                return lblDefinir;

        }

        public JRadioButton getRbA_B() {

                if(rbA_B==null){

                        rbA_B=new JRadioButton();

                        rbA_B.setText("a, b");

                        rbA_B.addActionListener(this);

                }

                return rbA_B;

        }

        public JRadioButton getRbA_Inv() {

                if(rbA_Inv==null){

                        rbA_Inv=new JRadioButton();

                        rbA_Inv.setText("a, inv_f");

                        Dimension d=new Dimension(100,15);

                        rbA_Inv.setMinimumSize(d);

                        rbA_Inv.setPreferredSize(d);

                        rbA_Inv.addActionListener(this);

                }

                return rbA_Inv;

        }

        /*

        public JRadioButton getRbInvF() {

                if(rbInvF==null){

                        rbInvF=new JRadioButton();

                        rbInvF.setToolTipText(PluginServices.getText(this,"Dat_InvFToolTipText"));

                        rbInvF.setText(PluginServices.getText(this,"Dat_InvF"));

                        rbInvF.addActionListener(this);

                }

                return rbInvF;

        }

        */

        /**

         * Inicializa el radio button Semieje Mayor del elipsoide

         * @return

         */

        /*

        public JRadioButton getRbSemMay() {

                if(rbSemMay==null){

                        rbSemMay=new JRadioButton();

                        rbSemMay.setToolTipText(PluginServices.getText(this,"Dat_SemMayToolTipText"));

                        rbSemMay.setText(PluginServices.getText(this,"Dat_SemMay"));

                        rbSemMay.addActionListener(this);

                }

                return rbSemMay;

        }*/

        /**

         * Inicializa el radio Button del Semieje Menor del elipsoide

         * @return

         */

        /*

        public JRadioButton getRbSemMen() {

                if(rbSemMen==null){

                        rbSemMen=new JRadioButton();

                        rbSemMen.setToolTipText(PluginServices.getText(this,"Dat_SemMenToolTipText"));                        

                        rbSemMen.setText(PluginServices.getText(this,"Dat_SemMen"));

                        rbSemMen.addActionListener(this);

                }

                return rbSemMen;

        }

        */

        /**

         * Agrupa los Radio Button de los parmetros del elipsoide

         * 

         */

        private void agruparRadioButtons() {

                if(groupRadioButton==null){

                        groupRadioButton=new ButtonGroup();

                        //Agrupar los radio Buttons

                        groupRadioButton.add(getRbA_B());

                        groupRadioButton.add(getRbA_Inv());

                        getRbA_Inv().setSelected(true);

                        getTxtSemMen().setEditable(false);

                        getCbSemMen().setEnabled(false);

                }

        }

        /**

         * Inicializa el cuadro de texto que contiene el datum

         * @return

         */

        public JTextField getTxtDatum() {

                if (txtDatum==null){

                        txtDatum=new JTextField();

                        bigSize.height=txtDatum.getPreferredSize().height;

                        txtDatum.setPreferredSize(bigSize);

                        txtDatum.addActionListener(this);

                }

                return txtDatum;

        }

        /**

         * Inicializa el cuadro de texto que contiene el elipsoide

         * @return

         */

        public JTextField getTxtElipsoide() {

                if (txtElipsoide==null){

                        txtElipsoide=new JTextField();

                        bigSize.height=txtElipsoide.getPreferredSize().height;

                        txtElipsoide.setPreferredSize(bigSize);

                        txtElipsoide.addActionListener(this);

                }

                return txtElipsoide;

        }

        /**

         * Inicializa el cuadro de texto que contiene el Inverse Flat del Elipsoide

         * @return

         */

        public JTextField getTxtInvF() {

                if (txtInvF==null){

                        txtInvF=new JTextField();

                        smallSize.height=txtInvF.getPreferredSize().height;

                        txtInvF.setPreferredSize(smallSize);

                        txtInvF.setMinimumSize(smallSize);

                        txtInvF.addActionListener(this);

                        txtInvF.addKeyListener(this);

                        txtInvF.addFocusListener(this);

                }

                return txtInvF;

        }

        /**

         * Inicializa el cuadro de texto que contiene el dato de longitud del

         * meridiano

         * @return

         */

        public JTextField getTxtLong() {

                if (txtLong==null){

                        txtLong=new JTextField();

                        smallSize.height=txtLong.getPreferredSize().height;

                        txtLong.setPreferredSize(smallSize);

                        txtLong.addActionListener(this);

                        txtLong.addKeyListener(this);

                        txtLong.addFocusListener(this);

                }

                return txtLong;

        }

        /**

         * Inicializa el cuadro de texto que contiene el meridiano

         * @return

         */

        public JTextField getTxtMeridian() {

                if (txtMeridian==null){

                        txtMeridian=new JTextField();

                        bigSize.height=txtMeridian.getPreferredSize().height;

                        Dimension d=new Dimension(280,15);

                        d.height=txtMeridian.getPreferredSize().height;

                        txtMeridian.setPreferredSize(d);

                        txtMeridian.addActionListener(this);

                }

                return txtMeridian;

        }

        /**

         * Inicializa el cuadro de texto que contiene el Semieje Mayor

         * del elipsoide

         * @return

         */

        public JTextField getTxtSemMay() {

                if (txtSemMay==null){

                        txtSemMay=new JTextField();

                        smallSize.height=txtSemMay.getPreferredSize().height;

                        txtSemMay.setPreferredSize(smallSize);

                        txtSemMay.setMinimumSize(smallSize);

                        txtSemMay.addActionListener(this);

                        txtSemMay.addKeyListener(this);

                        txtSemMay.addFocusListener(this);

                }

                return txtSemMay;

        }

        /**

         * Inicializa el cuadro de texto que contiene el semieje

         * menor del elipsoide

         * @return

         */

        public JTextField getTxtSemMen() {

                if (txtSemMen==null){

                        txtSemMen=new JTextField();

                        smallSize.height=txtSemMen.getPreferredSize().height;

                        txtSemMen.setPreferredSize(smallSize);

                        txtSemMen.setMinimumSize(smallSize);

                        txtSemMen.addActionListener(this);

                        txtSemMen.addKeyListener(this);

                        txtSemMen.addFocusListener(this);

                }

                return txtSemMen;

        }

        /**

         * Inicializa el cuadro de texto que contiene el cdigo del Crs definido por el usuario

         * @return

         */

        public JTextField getTxtCodigoCrs() {

                if (txtCodigoCrs==null){

                        txtCodigoCrs=new JTextField();

                        smallSize.height=txtCodigoCrs.getPreferredSize().height;

                        txtCodigoCrs.setPreferredSize(smallSize);

                        txtCodigoCrs.addActionListener(this);

                        txtCodigoCrs.addFocusListener(this);

                }

                return txtCodigoCrs;

        }

        /**

         * Inicializa el cuadro de texto que contiene el nombre del Crs

         * @return

         */

        public JTextField getTxtNombreCrs() {

                if (txtNombreCrs==null){

                        txtNombreCrs=new JTextField();

                        smallSize.height=txtNombreCrs.getPreferredSize().height;

                        txtNombreCrs.setPreferredSize(smallSize);

                        txtNombreCrs.addActionListener(this);                        

                }

                return txtNombreCrs;

        }

        /*

         * Manejador de eventos de los controles

         */

        public void actionPerformed(ActionEvent e) {

                if(e.getSource().equals(getTxtDatum())){

                        System.out.println("txt Datum");

                }else if(e.getSource().equals(getTxtElipsoide())){

                        System.out.println("txt Elipsoide");

                }else if(e.getSource().equals(getTxtInvF())){

                        System.out.println("txt Inverse Flat");

                }else if(e.getSource().equals(getTxtSemMay())){

                        System.out.println("txt Semieje Mayor");

                }else if(e.getSource().equals(getTxtSemMen())){

                        System.out.println("txt Semieje Menor");

                }else if(e.getSource().equals(getTxtLong())){

                        System.out.println("txt Longitud");

                }else if(e.getSource().equals(getTxtMeridian())){

                        System.out.println("txt Meridiano");

                }else if(e.getSource().equals(getCbInvF())){

                        System.out.println("combo box Inverse Flat");

                }else if(e.getSource().equals(getCbLong())){

                        System.out.println("combo box Longitud");

                }else if(e.getSource().equals(getCbSemMay())){

                        System.out.println("combo box Semieje Mayor");

                }else if(e.getSource().equals(getCbSemMen())){

                        System.out.println("combo box Semieje Menor");

                }else if(e.getSource().equals(getRbA_B())){

                        getTxtSemMay().setEditable(true);

                        getTxtSemMen().setEditable(true);

                        getTxtInvF().setEditable(false);

                        getCbSemMen().setEnabled(true);

                }else if(e.getSource().equals(getRbA_Inv())){

                        getTxtSemMay().setEditable(true);

                        getTxtSemMen().setEditable(false);

                        getTxtInvF().setEditable(true);        

                        getCbSemMen().setEnabled(false);

                }else if(e.getSource().equals(getBtnImportDatum())){

                        System.out.println("Importar Datum");

                        ImportNewCrsDialog newCrs = new ImportNewCrsDialog(PluginServices.getText(this, "datum"));

                        PluginServices.getMDIManager().addWindow(newCrs);

                        if (newCrs.getCode() != -1) {

                                setCrs(newCrs.getCode());

                                fillDatum(getCrs());

                        }

                }else if(e.getSource().equals(getBtnImportElipsoide())){

                        System.out.println("Importar Elipsoide");

                        ImportNewCrsDialog newCrs = new ImportNewCrsDialog(PluginServices.getText(this, "ellips"));

                        PluginServices.getMDIManager().addWindow(newCrs);

                        if (newCrs.getCode() != -1) {

                                setCrs(newCrs.getCode());

                                fillEllipsoid(getCrs());

                        }

                }else if(e.getSource().equals(getBtnImportMeridian())){

                        System.out.println("Importar Meridiano");

                        ImportNewCrsDialog newCrs = new ImportNewCrsDialog(PluginServices.getText(this, "primem"));

                        PluginServices.getMDIManager().addWindow(newCrs);

                        if (newCrs.getCode() != -1) {

                                setCrs(newCrs.getCode());

                                fillPrimeMeridian(getCrs());

                        }else if(e.getSource().equals(getRbA_Inv())){

                        }else if(e.getSource().equals(getRbA_B())){

                        }

                }

        }

        public void fillData(ICrs crs){

                getTxtNombreCrs().setText(crs.getCrsWkt().getGeogcs());

                getTxtCodigoCrs().setText(getMaxCode());

                fillDatum(crs);

        }

        public void fillData(ICrs crs, boolean editing){

                getTxtNombreCrs().setText(crs.getCrsWkt().getGeogcs());

                getTxtCodigoCrs().setText(""+crs.getCode());

                fillDatum(crs);

        }

        public void fillDatum(ICrs crs) {

                getTxtDatum().setText(crs.getCrsWkt().getDatumName());

                fillEllipsoid(crs);

                fillPrimeMeridian(crs);

        }

        public void fillData(CoordinateReferenceSystem crsGT) {

                AbstractSingleCRS crs = (AbstractSingleCRS)crsGT;

                String authority = crs.getName().toString().split(":")[0];

                //String code = crs.getName().toString().split(":")[1];

                getTxtNombreCrs().setText(authority);

                getTxtCodigoCrs().setText(getMaxCode());

                DefaultGeodeticDatum d = (DefaultGeodeticDatum) crs.getDatum();

                String[] val = d.getName().toString().split(":");

                if (val.length<2)

                        getTxtDatum().setText(d.getName().toString().split(":")[0]);

                else

                        getTxtDatum().setText(d.getName().toString().split(":")[1]);

                DefaultEllipsoid ellips = (DefaultEllipsoid)d.getEllipsoid();

                Unit u = ellips.getAxisUnit();

                double semi_major = convert(ellips.getSemiMajorAxis(), u.toString());

                double inv_f = ellips.getInverseFlattening();

                val = ellips.getName().toString().split(":");

                if (val.length<2)

                        getTxtElipsoide().setText(val[0]);

                else

                        getTxtElipsoide().setText(val[1]);

                getTxtSemMay().setText(String.valueOf(semi_major));

                getTxtInvF().setText(String.valueOf(inv_f));

                getTxtSemMen().setText(String.valueOf(calcularSemMen()));

                DefaultPrimeMeridian primem = (DefaultPrimeMeridian)d.getPrimeMeridian();

                u = primem.getAngularUnit();

                double longitude = convert(primem.getGreenwichLongitude(), u.toString());

                val = primem.getName().toString().split(":");

                if (val.length<2)

                        getTxtMeridian().setText(val[0]);

                else

                        getTxtMeridian().setText(val[1]);

                getTxtLong().setText(""+longitude);                

        }

        public void fillEllipsoid(ICrs crs) {

                getTxtElipsoide().setText(crs.getCrsWkt().getSpheroid()[0]);

                String semMay = crs.getCrsWkt().getSpheroid()[1];

                String invF = crs.getCrsWkt().getSpheroid()[2];

                getTxtSemMay().setText(semMay);

                getTxtInvF().setText(invF);

                double semMen = calcularSemMen();

                getTxtSemMen().setText(String.valueOf(semMen));                

        }

        public void fillPrimeMeridian(ICrs crs) {

                getTxtMeridian().setText(crs.getCrsWkt().getPrimen()[0]);

                getTxtLong().setText(crs.getCrsWkt().getPrimen()[1]);

        }

        private double calcularSemMen() {

                String cadenaNumerica = getTxtSemMay().getText().replaceAll("[^0-9.E]", "");

                if (getTxtSemMay().getText().length() != cadenaNumerica.length() || notANumber(cadenaNumerica)) {

                        JOptionPane.showMessageDialog(DefinirDatum.this, 

                                        PluginServices.getText(this,"numeric_format")+": "+PluginServices.getText(this,"semMay"), 

                                        "Warning...", JOptionPane.WARNING_MESSAGE);

                        return 0;

                }

                else {

                        if (getTxtInvF().getText().equals("Infinity")) {

                                getRbA_B().setSelected(true);

                                getTxtSemMay().setEditable(true);

                                getTxtSemMen().setEditable(true);

                                getTxtInvF().setEditable(false);

                                getCbSemMen().setEnabled(true);

                                return Double.parseDouble((String)getTxtSemMay().getText());

                        }

                        cadenaNumerica = getTxtInvF().getText().replaceAll("[^0-9.E-]", "");

                        if (getTxtInvF().getText().length() != cadenaNumerica.length() || notANumber(cadenaNumerica)) {

                        JOptionPane.showMessageDialog(DefinirDatum.this, 

                                        PluginServices.getText(this,"numeric_format")+": "+PluginServices.getText(this,"inv_f"), 

                                        "Warning...", JOptionPane.WARNING_MESSAGE);

                        return 0;

                        }

                }

                double semMay = Double.parseDouble((String)getTxtSemMay().getText());

                double invF = Double.parseDouble((String)getTxtInvF().getText());

                if (invF != 0)

                        return semMay - (semMay / (invF));

                return Double.NEGATIVE_INFINITY;

        }

        private double calcularInvF() {

                String cadenaNumerica = getTxtSemMay().getText().replaceAll("[^0-9.E]", "");

                if (getTxtSemMay().getText().length() != cadenaNumerica.length() || notANumber(cadenaNumerica)) {

                        JOptionPane.showMessageDialog(DefinirDatum.this, 

                                        PluginServices.getText(this,"numeric_format")+": "+PluginServices.getText(this,"semMay"), 

                                        "Warning...", JOptionPane.WARNING_MESSAGE);

                        return 0;

                }

                else {

                        cadenaNumerica = getTxtSemMen().getText().replaceAll("[^0-9.E-]", "");

                        if (getTxtSemMen().getText().length() != cadenaNumerica.length() || notANumber(cadenaNumerica)) {

                        JOptionPane.showMessageDialog(DefinirDatum.this, 

                                        PluginServices.getText(this,"numeric_format")+": "+PluginServices.getText(this,"semMen"), 

                                        "Warning...", JOptionPane.WARNING_MESSAGE);

                        return 0;

                        }

                }

                double semMay = Double.parseDouble((String)getTxtSemMay().getText());

                double semMen = Double.parseDouble((String)getTxtSemMen().getText());

                if ((semMay - semMen) != 0)

                        return (semMay ) / (semMay - semMen);

                return Double.POSITIVE_INFINITY;

        }

        public void setCrs(int code) {

                try {

                        crs = new CrsFactory().getCRS("EPSG:"+code);

                } catch (CrsException e) {

                        logger.error("Can't create EPSG CRS from code "+code+".",e);

                }

        }

        public ICrs getCrs() {

                return crs;

        }

        public void cleanData() {

                String max = getMaxCode();

                getTxtCodigoCrs().setText(max);

                getTxtNombreCrs().setText("");

                getTxtDatum().setText("");

                getTxtElipsoide().setText("GRS 1980");

                getTxtInvF().setText("298.257222101");

                getTxtLong().setText("0.0");

                getTxtMeridian().setText("Greenwich");

                getTxtSemMay().setText("6378137.0");

                double semMen = calcularSemMen();

                getTxtSemMen().setText(""+semMen);

        }

        private String getMaxCode() {

                String sentence = "SELECT usr_code " +

                                                        "FROM USR " +                                      

                                                        "ORDER BY usr_code ASC";

                EpsgConnection connect = new EpsgConnection();

                connect.setConnectionUsr();

                ResultSet result = Query.select(sentence,connect.getConnection());

                int max = 0;

                int lastValue = 0;

                int goodValue = 1;

                boolean firstAccess = true;

                try {

                        while (result.next()) {

                                max = result.getInt("usr_code");

                                if (firstAccess && max != 1) {                                        

                                        return ""+goodValue;

                                }

                                firstAccess = false;

                                if ((max - lastValue) == 1) {

                                        lastValue = max;

                                } else {

                                        goodValue = lastValue+1;

                                        break;

                                }

                        }

                        if (goodValue == 1) {

                                goodValue = max+1;

                        }

                } catch (SQLException e) {

                        logger.error("Can't get values from resulset '"+sentence+"'.",e);

                }                

                return ""+goodValue;

        }

        public double convert2Meters(String unit, double value) {

                double factor_b = 0;

                double factor_c = 0;

                String sentence = "SELECT factor_b, factor_c " +

                        "FROM epsg_unitofmeasure " +                                      

                        "WHERE unit_of_meas_name = '" +unit + "'";

                EpsgConnection connect = new EpsgConnection();

                connect.setConnectionEPSG();

                ResultSet result = Query.select(sentence,connect.getConnection());

                try {

                        result.next();

                        factor_b = result.getDouble("factor_b");

                        factor_c = result.getDouble("factor_c");                        

                } catch (SQLException e) {

                        logger.error("Can't get values from resulset '"+sentence+"'.",e);

                }                

                return ((value*factor_b)/factor_c);

        }

        /**

         * Convierte una valor en las unidades indicadas a grados sexagesimales seg?n los factores 

         * de conversi?n obtenidos de la base de datos de la EPSG.

         * 

         * @param unit Unidad de entrada.

         * @param value Valor a convertir

         * @return Valor en grados sexagesimales.

         */

        public double convert2Degree(String unit, double value) {

                //*************************************

                //Se realiza la conversi?n a radianes:

                double factor_b = 0;

                double factor_c = 0;

                String sentence = "SELECT factor_b, factor_c " +

                        "FROM epsg_unitofmeasure " +                                      

                        "WHERE unit_of_meas_name = '" +unit + "'";

                EpsgConnection connect = new EpsgConnection();

                connect.setConnectionEPSG();

                ResultSet result = Query.select(sentence,connect.getConnection());

                try {

                        result.next();

                        factor_b = result.getDouble("factor_b");

                        factor_c = result.getDouble("factor_c");                        

                } catch (SQLException e) {

                        logger.error("Can't get values from resulset '"+sentence+"'.",e);

                }        

                if(Math.abs(factor_b/factor_c-Math.PI/180.0)<1.0e-12)

                        return value;

                value = ((value*factor_b)/factor_c);

                //**********************************************

                //Conversi? de radianes a grados sexagesimales:

                //return ((value * 180.0) / 200.0);

                return ((value * 180.0) / Math.PI);

        }

        public double convert(double value, String measure) throws ConversionException {

                if (measure.equals("D.MS")) {                

                        value *= this.divider;

                int deg,min;

                deg = (int) (value/10000); value -= 10000*deg;

                min = (int) (value/  100); value -=   100*min;

                if (min<=-60 || min>=60) {  // Accepts NaN

                    if (Math.abs(Math.abs(min) - 100) <= EPS) {

                        if (min >= 0) deg++; else deg--;

                        min = 0;

                    } else {

                        throw new ConversionException("Invalid minutes: "+min);

                    }

                }

                if (value<=-60 || value>=60) { // Accepts NaN

                    if (Math.abs(Math.abs(value) - 100) <= EPS) {

                        if (value >= 0) min++; else min--;

                        value = 0;

                    } else {

                        throw new ConversionException("Invalid secondes: "+value);

                    }

                }

                value = ((value/60) + min)/60 + deg;

                return value;

                }

                if (measure.equals("grad") || measure.equals("grade")) 

                        return ((value * 180.0) / 200.0);                        

                if (measure.equals(""+(char)176)) 

                        return value;                

                if (measure.equals("DMS") ) 

                        return value;                

                if (measure.equals("m")) 

                        return value;        

                if (measure.equals("")) 

                        return value;

                throw new ConversionException("Conversion no contemplada: "+measure);

    }

        public double convertFromDegree(String unitSource, String unitTarget, double value) {

                double factor_b = 0;

                double factor_c = 0;                

                String sentence = "SELECT factor_b, factor_c " +

                        "FROM epsg_unitofmeasure " +                                      

                        "WHERE unit_of_meas_name = '" +unitSource + "'";

                EpsgConnection connect = new EpsgConnection();

                connect.setConnectionEPSG();

                ResultSet result = Query.select(sentence,connect.getConnection());

                try {

                        result.next();

                        factor_b = result.getDouble("factor_b");

                        factor_c = result.getDouble("factor_c");                        

                } catch (SQLException e) {

                        logger.error("Can't get values from resulset '"+sentence+"'.",e);

                }                

                value = ((value*factor_b)/factor_c);

                sentence = "SELECT factor_b, factor_c " +

                "FROM epsg_unitofmeasure " +                                      

                "WHERE unit_of_meas_name = '" +unitTarget + "'";

                connect = new EpsgConnection();

                connect.setConnectionEPSG();

                result = Query.select(sentence,connect.getConnection());

                try {

                        result.next();

                        factor_b = result.getDouble("factor_b");

                        factor_c = result.getDouble("factor_c");                        

                } catch (SQLException e) {

                        logger.error("Can't get values from resulset '"+sentence+"'.",e);

                }                

                return ((value*factor_c)/factor_b);

        }

        public void itemStateChanged(ItemEvent e) {

                if (e.getItemSelectable().equals(cbLong)) {

                        String unit = getAngularUnit(((JComboBox)e.getSource()).getSelectedIndex());

                         double value = Double.valueOf(getTxtLong().getText()).doubleValue();

                         value = convertFromDegree(sourceUnitLong, unit, value);

                         sourceUnitLong = unit;

                         String val = String.valueOf(value);

                         getTxtLong().setText(val);

                }

                if (e.getItemSelectable().equals(cbSemMay) ) {

                        String unit = getLengthUnit(((JComboBox)e.getSource()).getSelectedIndex());                         

                        double value = Double.valueOf(getTxtSemMay().getText()).doubleValue();

                         value = convertFromMeters(sourceUnitSemMay, unit, value);

                         sourceUnitSemMay = unit;

                         String val = String.valueOf(value);

                         getTxtSemMay().setText(val);

                }

                if (e.getItemSelectable().equals(cbSemMen) ) {

                        String unit = getLengthUnit(((JComboBox)e.getSource()).getSelectedIndex());

                         double value = Double.valueOf(getTxtSemMen().getText()).doubleValue();

                         value = convertFromMeters(sourceUnitSemMen, unit, value);

                         sourceUnitSemMen = unit;

                         String val = String.valueOf(value);

                         getTxtSemMen().setText(val);

                }                

        }

        private boolean notANumber(String cadenaNumerica) {

                int puntos = 0;

                int signos = 0;

                int letras = 0;

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

                        if (cadenaNumerica.charAt(i) == '.')

                                puntos++;

                        else if (cadenaNumerica.charAt(i) == '-') {