| gvSIG desktop 1

/* 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 Iba?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.remotesensing.gridmath.gui;

import info.clearthought.layout.TableLayout;

import java.awt.BorderLayout;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.FocusEvent;

import java.awt.event.FocusListener;

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

import javax.swing.BorderFactory;

import javax.swing.ButtonGroup;

import javax.swing.ComboBoxModel;

import javax.swing.DefaultComboBoxModel;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.JTextField;

import javax.swing.border.CompoundBorder;

import javax.swing.border.EmptyBorder;

import javax.swing.border.TitledBorder;

import org.gvsig.andami.PluginServices;

import org.gvsig.app.project.documents.view.gui.DefaultViewPanel;

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontext.layers.FLayers;

import org.gvsig.fmap.raster.layers.FLyrRasterSE;

import org.gvsig.raster.RasterLibrary;

import org.gvsig.raster.util.PropertyEvent;

import org.gvsig.raster.util.PropertyListener;

import org.gvsig.raster.util.RasterToolsUtil;

/**

 * Panel de configuracion de las opciones de salida.

 * Puede ajustarse el extent de salida y las opciones habituales de salvado de la

 * capa.

 *

 * @author Alejandro Mu?oz S?nchez (alejandro.munoz@uclm.es)

 * @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)

 * @version 22/10/2007

 */

public class OutputOptionsPanel extends JPanel implements ActionListener,FocusListener,KeyListener,PropertyListener {

        private static final long serialVersionUID = 1L;

        private JPanel namePanel = null;

        private JPanel panelExtension = null;

        private JPanel paramPanel = null;

        private JTextField jTextNombreCapa = null;

        private JTextField  jTextRangoX1 = null;

        private JTextField  jTextRangoX2 = null;

        private JTextField jTextRangoY1 = null;

        private JTextField jTextRangoY2 = null;

        private JTextField jTextCellSizeX = null;

        private JTextField jTextCellSizeY = null;

        private JTextField  jTextNumFiCol1 = null;

        private JTextField jTextNumFiCol2 = null;

        private FLayers layers = null;

        private JRadioButton rButtom1 = null;

        private JRadioButton rButtom2 = null;

        private JRadioButton rButtom4 = null;

        private JRadioButton rButtonFile = null;

        private JRadioButton rButtonMemory = null;

        private JComboBox jComboCapas = null;

        private MapContext mapContext = null;

        private GridMathPanel cp = null;

        /**

        * Constructor

        * @param vista vista de la aplicaci?n

        * @param cp calculatorPanel desde el que se invoca

        */

        public OutputOptionsPanel(DefaultViewPanel vista, GridMathPanel cp) {

                super();

                if (vista!=null){

                        mapContext = vista.getModel().getMapContext();

                        layers = mapContext.getLayers();

                }

                this.cp=cp;

                Inicializar();

        }

        /**

         * Inicializaci?n del panel

         */

        public void  Inicializar(){

                BorderLayout bd=new BorderLayout();

                this.setLayout(bd);

                this.setBorder( new EmptyBorder(2, 2, 2, 2));

                this.add(getNamePanel(),BorderLayout.NORTH);

                this.add(getPanelExtension(),BorderLayout.WEST);

                this.add(getParameterPanel(),BorderLayout.CENTER);

                getRadioMemory().setSelected(true);

        }

        /**

         * @return JRadioButton de generar fichero

         */

        public JRadioButton getRadioFile(){

                if (rButtonFile == null){

                        rButtonFile = new JRadioButton(PluginServices.getText(this,"a_fichero"));

                        rButtonFile.addActionListener(this);

                }

                return rButtonFile;

        }

        /**

         * @return JRadioButton de generar en memoria

         */

        public JRadioButton getRadioMemory(){

                if (rButtonMemory == null){

                        rButtonMemory = new JRadioButton(PluginServices.getText(this,"a_memoria"));

                        rButtonMemory.addActionListener(this);

                }

                return rButtonMemory;

        }

        /**

         * @return panel que incluye el nombre de la capa y las opciones de almacenamieto de la capa de salida

         */

        public JPanel getNamePanel() {

                if (namePanel==null){

                        namePanel=new JPanel();

                        GridBagConstraints gridBagConstraints;

                        JPanel radioPanel = new JPanel();

                        radioPanel.setLayout(new GridBagLayout());

                        radioPanel.setBorder(BorderFactory.createTitledBorder(""));

                        ButtonGroup buttonGroup = new ButtonGroup();

                        buttonGroup.add(getRadioMemory());

                        gridBagConstraints = new java.awt.GridBagConstraints();

                        gridBagConstraints.gridx = 0;

                        gridBagConstraints.gridy = 1;

                        gridBagConstraints.anchor = GridBagConstraints.WEST;

                        gridBagConstraints.insets = new java.awt.Insets(3, 3, 3, 3);

                        radioPanel.add(getRadioMemory(),gridBagConstraints);

                        buttonGroup.add(getRadioFile());

                        gridBagConstraints = new java.awt.GridBagConstraints();

                        gridBagConstraints.gridx = 0;

                        gridBagConstraints.gridy = 2;

                        gridBagConstraints.anchor = GridBagConstraints.WEST;

                        gridBagConstraints.insets = new java.awt.Insets(3, 3, 3, 3);

                        radioPanel.add(getRadioFile(),gridBagConstraints);

                        //Establece la separacin entre los elementos

                        namePanel.setLayout(new GridBagLayout());

                        gridBagConstraints = new java.awt.GridBagConstraints();

                        gridBagConstraints.gridx = 0;

                        gridBagConstraints.gridy = 0;

                        gridBagConstraints.anchor = GridBagConstraints.WEST;

                        gridBagConstraints.insets = new java.awt.Insets(3, 3, 3, 3);

                        namePanel.add(new JLabel(PluginServices.getText(this,"nombre_capa")),gridBagConstraints);

                        gridBagConstraints = new java.awt.GridBagConstraints();

                        gridBagConstraints.gridx = 1;

                        gridBagConstraints.gridy = 0;

                        gridBagConstraints.anchor = GridBagConstraints.WEST;

                        gridBagConstraints.insets = new java.awt.Insets(3, 3, 3, 3);

                        namePanel.add(getJTextNombreCapa(),gridBagConstraints);

                        gridBagConstraints = new java.awt.GridBagConstraints();

                        gridBagConstraints.gridx = 2;

                        gridBagConstraints.gridy = 0;

                        gridBagConstraints.anchor = GridBagConstraints.WEST;

                        gridBagConstraints.insets = new java.awt.Insets(3, 3, 3, 3);

                        namePanel.add(radioPanel,gridBagConstraints);

                }

                return namePanel;

        }

         /**

          * @return javax.swing.JTextField

          */

         public JTextField getJTextNombreCapa() {

                if (jTextNombreCapa==null) {

                        jTextNombreCapa=new JTextField(10);

                        jTextNombreCapa.setText(RasterLibrary.getOnlyLayerName());

                        jTextNombreCapa.addFocusListener(this);

                        RasterLibrary.addOnlyLayerNameListener(this);

                }

                return jTextNombreCapa;

        }

        /**

        * @return panel con las opciones de configuraci?n de extent,

        * los radioButton y el comboCapas

        */

        public JPanel getPanelExtension() {

                if (panelExtension==null){

                        panelExtension=new JPanel();

                        TitledBorder topBorder = BorderFactory.createTitledBorder((PluginServices.getText(this,"extension_from")));

                    topBorder.setTitlePosition(TitledBorder.TOP);

                    panelExtension.setBorder(new CompoundBorder(topBorder,new EmptyBorder(5,5,6,5)));

                    JPanel p=new JPanel();

                    //p.setPreferredSize(new Dimension(200,130));

                                TableLayout thisLayout = new TableLayout(new double[][] {

                                                {200},

                                                {TableLayout.PREFERRED,TableLayout.PREFERRED,TableLayout.PREFERRED, TableLayout.PREFERRED}});

                                                //Establece la separacin entre los elementos

                                                thisLayout.setHGap(5);

                                                thisLayout.setVGap(5);

                                                panelExtension.setLayout(thisLayout);

                                                p.setLayout(thisLayout);

                                                ButtonGroup buttonGroup = new ButtonGroup();

                                                buttonGroup.add(getRButtom1());

                                                buttonGroup.add(getRButtom2());

                                                buttonGroup.add(getRButtom4());

                                                panelExtension.add(getRButtom1(),"0,0");

                                                panelExtension.add(getRButtom2(),"0,1");

                                                panelExtension.add(getRButtom4(),"0,2");

                                                panelExtension.add(getJComboCapas(),"0,3");

                }

                return panelExtension;

        }

        /**

         * @return panel con los parametros de configuraci?n de extensi?n de la salida raster.

         */

        public JPanel getParameterPanel() {

                if (paramPanel==null){

                        paramPanel=new JPanel();

                        TitledBorder topBorder = BorderFactory.createTitledBorder((PluginServices.getText(this,"parametros")));

                    topBorder.setTitlePosition(TitledBorder.TOP);

                    paramPanel.setBorder(new CompoundBorder(topBorder,new EmptyBorder(5,5,6,5)));

                    JPanel p=new JPanel();

                   // p.setPreferredSize(new Dimension(320,130));

                        TableLayout thisLayout = new TableLayout(new double[][] {

                                 {150,75, 75},

                                {20,20,20,20}});

                                //Establece la separacin entre los elementos

                                thisLayout.setHGap(3);

                                thisLayout.setVGap(3);

                                p.setLayout(thisLayout);

                                //Aado los diferentes elementos

                                p.add(new JLabel((PluginServices.getText(this,"rangox"))),"0,0");

                                p.add(new JLabel((PluginServices.getText(this,"rangoy"))),"0,1");

                                p.add(new JLabel((PluginServices.getText(this,"tamanio_celda"))),"0,2");

                                p.add(new JLabel((PluginServices.getText(this,"num_filas_columnas"))),"0,3");

                                p.add(getJTextCellSizeX(),"1,2");

                                p.add(getJTextCellSizeY(),"2,2");

                                p.add(getJTextNumFiCol1(),"1,3");

                                p.add(getJTextNumFiCol2(),"2,3");

                                p.add(getJTextRangoX1(),"1,0");

                                p.add(getJTextRangoX2(),"2,0");

                                p.add(getJTextRangoY1(),"1,1");

                                p.add(getJTextRangoY2(),"2,1");

                                paramPanel.add(p);

                }

                return paramPanel;

        }

        /**

         * @return JRadioButton  ajustar a datos de entrada

         */

        public JRadioButton getRButtom1() {

                if(rButtom1==null){

                        rButtom1=new JRadioButton((PluginServices.getText(this,"ajustar_entrada")), true);

                        rButtom1.addActionListener(this);

                        }

                return rButtom1;

        }

        /**

         * @return JRadioButton extension definida por el  usuario

         */

        public JRadioButton getRButtom2() {

                if(rButtom2==null){

                        rButtom2=new JRadioButton((PluginServices.getText(this,"definida_usuario")), false);

                        rButtom2.addActionListener(this);

                }

                return rButtom2;

        }

        /**

         * @return JRadioButton extension ajustada a otra capa

         */

        public JRadioButton getRButtom4() {

                if(rButtom4==null){

                        rButtom4=new JRadioButton((PluginServices.getText(this,"extension_capa")), false);

                        rButtom4.addActionListener(this);

                }

                return rButtom4;

        }

        /**

         * @return JTextField tama?o de celda en X

         */

        public JTextField getJTextCellSizeX() {

                if (jTextCellSizeX==null){

                        jTextCellSizeX=new JTextField(15);;

                        jTextCellSizeX.setEditable(false);

                        jTextCellSizeX.addKeyListener(this);

                }

                return jTextCellSizeX;

        }

        /**

         * @return JTextField tama?o de celda en Y

         */

        public JTextField getJTextCellSizeY() {

                if (jTextCellSizeY==null){

                        jTextCellSizeY=new JTextField(15);;

                        jTextCellSizeY.setEditable(false);

                        jTextCellSizeY.addKeyListener(this);

                }

                return jTextCellSizeY;

        }

        /**

         * @return JTextField numero de filas

         */

        public JTextField getJTextNumFiCol1() {

                if (jTextNumFiCol1==null){

                        jTextNumFiCol1=new JTextField ();

                        jTextNumFiCol1.setEditable(false);

                }

                return jTextNumFiCol1;

        }

        /**

         * @return JTextField coordenada x m?nima

         */

        public JTextField  getJTextRangoX1() {

                if (jTextRangoX1==null){

                        jTextRangoX1 =new JTextField ();

                        jTextRangoX1.setEditable(false);

                        jTextRangoX1.addKeyListener(this);

                }

                return jTextRangoX1;

        }

        /**

         * @return JTextField coordenada x m?xima

         */

        public JTextField getJTextRangoX2() {

                if (jTextRangoX2==null){

                        jTextRangoX2=new JTextField ();

                        jTextRangoX2.setEditable(false);

                        jTextRangoX2.addKeyListener(this);

                }

                return jTextRangoX2;

        }

        /**

         * @return JTextField coordenada y m?mnima

         */

        public JTextField  getJTextRangoY1() {

                if (jTextRangoY1==null){

                        jTextRangoY1=new JTextField ();

                        jTextRangoY1.setEditable(false);

                        jTextRangoY1.addKeyListener(this);

                        }

                return jTextRangoY1;

        }

        /**

         * @return JTextField coordenada y m?xima

         */

        public JTextField  getJTextRangoY2() {

                if (jTextRangoY2==null){

                        jTextRangoY2=new JTextField ();

                        jTextRangoY2.setEditable(false);

                        jTextRangoY2.addKeyListener(this);

                }

                return jTextRangoY2;

        }

        /**

         * @return JTextField numero de columnas

         */

        public JTextField getJTextNumFiCol2() {

                if (jTextNumFiCol2==null){

                        jTextNumFiCol2=new JTextField ();

                        jTextNumFiCol2.setEditable(false);

                }

                return jTextNumFiCol2;

        }

        /**

         * @return JCombo con las capas raster cargadas en la vista

         */

        public JComboBox getJComboCapas() {

                if (jComboCapas==null){

                        ComboBoxModel jComboBoxLayersModel = new DefaultComboBoxModel(getLayerNames());

                        jComboCapas = new JComboBox();

                        jComboCapas.setModel(jComboBoxLayersModel);

                        jComboCapas.setEnabled(false);

                        jComboCapas.addActionListener(this);

                }

                return jComboCapas;

        }

        /**

         * @return array con el nombre de los ficheros cargados en la vista

         */

        private String[] getLayerNames() {

                String[] sNames = {};

                if (layers!=null){

                        sNames = new String[layers.getLayersCount()];

                        for (int i = 0; i < layers.getLayersCount(); i++) {

                                sNames[i] = (layers.getLayer(i)).getName();

                        }

                }

                return sNames;

        }

        /**

         * Establece la opci?n por defecto cuando se crea en cuadro de dialogo

         */

        public void InicializarOpcion(){

                DesabilitarTodo();

                rButtom1.setSelected(true);

                // Comprobar que todas las variables estan asignadas

                boolean allAssigned = false;

                for (int i=0; i<cp.getCalculatorPanel().getJTableVariables().getTableFormat().getRowCount(); i++){

                        allAssigned = true;

                        if (cp.getCalculatorPanel().getJTableVariables().getTableFormat().getValueAt(i,1).toString().equals(""))

                        {

                                allAssigned=false;

                                break;

                        }

                }

                if(allAssigned){

                // Establecemos la opcion por defecto.

                setAjustInDataExtent();

                }

        }

        /**

        * Deshabilita todos los componetes variables de la interfaz

        */

        public void DesabilitarTodo(){

                jComboCapas.setEnabled(false);

                jTextRangoX1.setEditable(false);

                jTextRangoX1.setEnabled(false);

                jTextRangoX2.setEditable(false);

                jTextRangoX2.setEnabled(false);

                jTextRangoY1.setEditable(false);

                jTextRangoY1.setEnabled(false);

                jTextRangoY2.setEditable(false);

                jTextRangoY2.setEnabled(false);

                jTextNumFiCol1.setEditable(false);

                jTextCellSizeX.setEditable(false);

                jTextCellSizeX.setEnabled(false);

                jTextCellSizeY.setEditable(false);

                jTextCellSizeY.setEnabled(false);

                jTextNumFiCol1.setEnabled(false);

                jTextNumFiCol2.setEditable(false);

                jTextNumFiCol2.setEnabled(false);

                jComboCapas.updateUI();

        }

        /**

         * Reestablece el numero de filas y columnas ante cuanquier variaci?n de la interfaz

         */

        public void extentHasChanged(){

                double dRangeX;

                double dRangeY;

                double dCellSizeX;

                double dCellSizeY;

                int iRows;

                int iCols;

                // Se actualiza la X

                try {

                        dRangeX = Math.abs(Double.parseDouble(getJTextRangoX2().getText())

                                                                - Double.parseDouble(getJTextRangoX1().getText()));

                        dCellSizeX = Double.parseDouble(getJTextCellSizeX().getText());

                        iCols = (int) Math.floor(dRangeX / dCellSizeX);

                        getJTextNumFiCol2().setText(Integer.toString(iCols));

                        // Se actualiza la Y

                        dRangeY = Math.abs(Double.parseDouble(getJTextRangoY2().getText())

                                        - Double.parseDouble(getJTextRangoY1().getText()));

                        dCellSizeY = Double.parseDouble(getJTextCellSizeY().getText());

                        iRows = (int) Math.floor(dRangeY / dCellSizeY);

                        getJTextNumFiCol1().setText(Integer.toString(iRows));

                } catch (NumberFormatException e) {

                        RasterToolsUtil.messageBoxError(PluginServices.getText(this, "invalid_number"), this);

                }

}

        private void validateKeyTyping(KeyEvent event) {

                jComboCapas.updateUI();

                switch (event.getKeyChar()) {

                        case KeyEvent.VK_ENTER:

                                extentHasChanged();

                                jComboCapas.updateUI();

                                break;

                        case KeyEvent.VK_BACK_SPACE:

                                extentHasChanged();

                                break;

                        case KeyEvent.VK_0 :

                                extentHasChanged();

                                break;

                        case KeyEvent.VK_1 :

                                extentHasChanged();

                                break;

                        case KeyEvent.VK_2 :

                                extentHasChanged();

                                break;

                        case KeyEvent.VK_3:

                                extentHasChanged();

                                break;

                        case KeyEvent.VK_4:

                                extentHasChanged();

                                break;

                        case KeyEvent.VK_5:

                                extentHasChanged();

                                break;

                        case KeyEvent.VK_6:

                                extentHasChanged();

                                break;

                        case KeyEvent.VK_7:

                                extentHasChanged();

                                break;

                        case KeyEvent.VK_8:

                                extentHasChanged();

                                break;

                        case KeyEvent.VK_9 :

                                extentHasChanged();

                                break;

                }

        }

        /**

        * Fija las acciones que se realizan cuando se produce un evento

        * @param e Objeto que genera el evento

        */

        public void actionPerformed(ActionEvent e) {

                //Radiobutton1

                if (e.getSource()==getRButtom1()){

                        DesabilitarTodo();

                        setAjustInDataExtent();

                        updateParams();

                }

                // RadioButtom2

                else  if (e.getSource()==getRButtom2()){

                        DesabilitarTodo();

                        rButtom2.setSelected(true);

                        getJTextRangoX1().setEnabled(true);

                        getJTextRangoX1().setEditable(true);

                        getJTextRangoX2().setEnabled(true);

                        getJTextRangoX2().setEditable(true);

                        getJTextRangoY1().setEnabled(true);

                        getJTextRangoY1().setEditable(true);

                        getJTextRangoY2().setEditable(true);

                        getJTextRangoY2().setEnabled(true);

                        getJTextCellSizeX().setEditable(true);

                        getJTextCellSizeX().setEnabled(true);

                        getJTextCellSizeY().setEditable(true);

                        getJTextCellSizeY().setEnabled(true);

                        updateParams();

                }

                // RadioButtom4

                else  if (e.getSource()==getRButtom4()){

                        DesabilitarTodo();

                        rButtom4.setSelected(true);

                        jComboCapas.setEnabled(true);

                        jTextCellSizeX.setEditable(true);

                        jTextCellSizeX.setEnabled(true);

                        jTextCellSizeY.setEditable(true);

                        jTextCellSizeY.setEnabled(true);

                        getJComboCapas().updateUI();

                        updateParams();

                }

                else  if (e.getSource()==getRadioFile()){

                        rButtonFile.setSelected(true);

                }

                else  if (e.getSource()==getRadioMemory()){

                        rButtonMemory.setSelected(true);

                }

                // ComboCapas

                else if (e.getSource()==getJComboCapas()){

                        updateParams();

                }

        }

        /**

         *  Actualizacion de los parametros ajustandolos a los de la capa seleccionada

         */

        private void updateParams(){

                double dCoord;

                if (getRButtom4().isSelected()){

                        try {

                                FLyrRasterSE rasterLayer = (FLyrRasterSE)mapContext.getLayers().getLayer((String)getJComboCapas().getSelectedItem());

                                dCoord = rasterLayer.getFullEnvelope().getMinimum(0);

                                getJTextRangoX1().setText(new Double(dCoord).toString());

                                dCoord = rasterLayer.getFullEnvelope().getMaximum(0);

                                getJTextRangoX2().setText(new Double(dCoord).toString());

                                dCoord = rasterLayer.getFullEnvelope().getMinimum(1);

                                getJTextRangoY1().setText(new Double(dCoord).toString());

                                dCoord = rasterLayer.getFullEnvelope().getMaximum(1);

                                getJTextRangoY2().setText(new Double(dCoord).toString());

                                if (rasterLayer instanceof FLyrRasterSE){

                                        getJTextCellSizeX().setText(new Double(

                                                        Math.abs(((FLyrRasterSE) rasterLayer).getAffineTransform().getScaleX()))

                                                        .toString());

                                        getJTextCellSizeY().setText(new Double(

                                                        Math.abs(((FLyrRasterSE) rasterLayer).getAffineTransform().getScaleY()))

                                                        .toString());

                                }

                                extentHasChanged();

                        } catch (Exception ex) {}

                }

        }

        /**

         * Establece el extent de salida ajustandolo a los datos de entrada.

         */

        private void setAjustInDataExtent(){

                // Si no hay variables asignadas no hace nada. No dejara lanzar el calculo

                if( cp.getCalculatorPanel().getJTableVariables().getTableFormat().getRowCount()>0 && cp.getCalculatorPanel().getJTableVariables().getTableFormat().getValueAt(0,1).toString()!=""){

                        String layerName = cp.getCalculatorPanel().getJTableVariables().getTableFormat().getValueAt(0,1).toString();

                        layerName = layerName.substring(0,layerName.indexOf("["));

                        FLyrRasterSE rasterLayer = (FLyrRasterSE)mapContext.getLayers().getLayer(layerName);

                        double xMin =rasterLayer.getFullRasterExtent().minX();

                        double xMax =rasterLayer.getFullRasterExtent().maxX();

                        double yMin =rasterLayer.getFullRasterExtent().minY();

                        double yMax =rasterLayer.getFullRasterExtent().maxY();

                        double cellSizeX = Math.abs(rasterLayer.getAffineTransform().getScaleX());

                        double cellSizeY = Math.abs(rasterLayer.getAffineTransform().getScaleY());

                        for (int i=0;i<cp.getCalculatorPanel().getJTableVariables().getTableFormat().getRowCount();i++){

                                layerName = cp.getCalculatorPanel().getJTableVariables().getTableFormat().getValueAt(i,1).toString();

                                layerName = layerName.substring(0,layerName.indexOf("["));

                                rasterLayer = (FLyrRasterSE)mapContext.getLayers().getLayer(layerName);

                                xMin = Math.min(xMin,rasterLayer.getFullRasterExtent().minX());

                                xMax = Math.max(rasterLayer.getFullRasterExtent().maxX(),xMax);

                                yMin = Math.min(yMin,rasterLayer.getFullRasterExtent().minY());

                                yMax = Math.max(yMax,rasterLayer.getFullRasterExtent().maxY());

                                cellSizeX = Math.min(cellSizeX,Math.abs(rasterLayer.getAffineTransform().getScaleX()));

                                cellSizeY = Math.min(cellSizeY,Math.abs(rasterLayer.getAffineTransform().getScaleY()));

                        }

                        cp.getOutputExtent().setXRange(xMin,xMax);

                        cp.getOutputExtent().setYRange(yMin,yMax);

                        getJTextRangoX1().setText(String.valueOf(cp.getOutputExtent().minX()));

                        getJTextRangoX2().setText(String.valueOf(cp.getOutputExtent().maxX()));

                        getJTextRangoY1().setText(String.valueOf(cp.getOutputExtent().minY()));

                        getJTextRangoY2().setText(String.valueOf(cp.getOutputExtent().maxY()));

                        getJTextCellSizeX().setText(String.valueOf(cellSizeX));

                        getJTextCellSizeY().setText(String.valueOf(cellSizeY));

                        cp.getOutputExtent().setCellSizeX(cellSizeX);

                        cp.getOutputExtent().setCellSizeY(cellSizeY);

                        extentHasChanged();

                }

        }

        /**

         * Eventos del teclado

         */

        public void keyReleased(KeyEvent e) {

                if(e.getSource()==getJTextRangoX1()){

                        validateKeyTyping(e);

                }

                if(e.getSource()==getJTextRangoX2()){

                        validateKeyTyping(e);

                }

                if(e.getSource()==getJTextRangoY1()){

                        validateKeyTyping(e);

                }

                if(e.getSource()==getJTextRangoY2()){

                        validateKeyTyping(e);

                }

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

                        validateKeyTyping(e);

                }

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

                        validateKeyTyping(e);

                }

        }

        /**

         * Especificar el nombre de la nueva capa para el recuadro de texto asign?ndo

         * en cada llamada un nombre consecutivo.

         */

         public void updateNewLayerText() {

                         getJTextNombreCapa().setText(RasterLibrary.getOnlyLayerName());

         }

        public void focusGained(FocusEvent arg0) {

                // TODO Auto-generated method stub

        }

        public void focusLost(FocusEvent arg0) {

                // TODO Auto-generated method stub

        }

        public void keyPressed(KeyEvent arg0) {

                // TODO Auto-generated method stub

        }

        public void keyTyped(KeyEvent arg0) {

                // TODO Auto-generated method stub

        }

        public void actionValueChanged(PropertyEvent e) {

                updateNewLayerText();

        }

}