Application: gvSIG desktop

/* gvSIG. Sistema de Informacin Geogrfica 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 Ibez, 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;

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.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.io.RandomAccessFile;

import javax.swing.BorderFactory;

import javax.swing.JButton;

import javax.swing.JComboBox;

import javax.swing.JFileChooser;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.JTextArea;

import javax.swing.border.EmptyBorder;

import javax.swing.filechooser.FileFilter;

import org.cresques.cts.IProjection;

import org.gvsig.crs.CrsException;

import org.gvsig.crs.CrsFactory;

import org.gvsig.crs.CrsWkt;

import org.gvsig.crs.ICrs;

import org.gvsig.crs.persistence.RecentCRSsPersistence;

import au.com.objectix.jgridshift.GridShiftFile;

import au.com.objectix.jgridshift.SubGrid;

import com.iver.andami.PluginServices;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.andami.ui.mdiManager.WindowInfo;

import com.iver.utiles.XMLEntity;

/**

 * Clase para generar el panel de la tranformacin nadgrids y su

 * manejo

 * 

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

 * @author Jos Luis Gmez Martnez (jolugomar@gmail.com)

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

 *

 */

public class TransformationNadgridsPanel extends JPanel implements IWindow, ActionListener {

        private static final long serialVersionUID = 1L;

        private JPanel groupRadioButton = null;

        private JLabel jLabelChooser = null;

        private JRadioButton jRadioButtonSource = null;

        private JRadioButton jRadioButtonTarget = null;

        private IProjection firstProj;

        private String nadFile = null;

        String[] targetAuthority;

        String targetAbrev = "";

        String sourceAbrev = "";

        private String cadWKT = "";

        private String dataPath = "./gvSIG/extensiones/org.gvsig.crs/data/";

        private int codeEpsg;

        private JPanel jPanelOpen;

        private JPanel jPanelSelectNad;

        private JLabel jLabelOpenGsb;

        private JFileChooser openFileChooser;

        private JButton jButtonOpen;

        private TreePanel treePanel = null;

        private JComboBox jComboNadFile = null;

        private JLabel jLabelSelectNad = null;

        private JTextArea jTextAreaInfo;

        private PluginServices ps = null;

        private XMLEntity xml = null;

        boolean targetNad = false;

        public TransformationNadgridsPanel() {

                ps = PluginServices.getPluginServices(RecentCRSsPersistence.pluginClassInstance); 

                xml = ps.getPersistentXML();

                initialize();

        }

        private void initialize(){

                this.setLayout(new BorderLayout());

                this.setBorder(BorderFactory.createCompoundBorder(

                                BorderFactory.createTitledBorder("+ "+PluginServices.getText(this,"nadgrids")),

                                BorderFactory.createEmptyBorder(5,5,5,5)));

                JPanel pNorth=new JPanel();

                pNorth.setBorder(new EmptyBorder(1,10,1,10));

                pNorth.setLayout(new GridLayout(4,1));

                pNorth.add(getJPanelOpen());

                //label+combo

                pNorth.add(getJPanelSelectNad());

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

                lbl.add(getJLabelChooser());

                pNorth.add(lbl);

                //dos radio buttons

                pNorth.add(getGroupRadioButton());

                this.add(pNorth,BorderLayout.NORTH);

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

        }

        private JPanel getGroupRadioButton() {

                if (groupRadioButton == null) {

                        groupRadioButton = new JPanel();

                        groupRadioButton.setLayout(new GridLayout(1,0));        

                        groupRadioButton.add(getJRadioButtonSource());

                        groupRadioButton.add(getJRadioButtonTarget());                        

                }

                return groupRadioButton;

        }

        private JRadioButton getJRadioButtonSource() {

                if (jRadioButtonSource == null) {

                        jRadioButtonSource = new JRadioButton();                        

                        jRadioButtonSource.setSelected(true);

                        jRadioButtonSource.addActionListener(this);

                }

                jRadioButtonSource.setText(PluginServices.getText(this,"aplicar_capa") + " " + "("+getSourceAbrev()+")" );

                return jRadioButtonSource;

        }

        private JRadioButton getJRadioButtonTarget() {                

                if (jRadioButtonTarget == null) {

                        jRadioButtonTarget = new JRadioButton();                        

                        jRadioButtonTarget.setSelected(false);

                        jRadioButtonTarget.addActionListener(this);

                }

                jRadioButtonTarget.setText(PluginServices.getText(this,"aplicar_vista") + " " + "("+ getTargetAbrev()+")");

                return jRadioButtonTarget;

        }        

        private JLabel getJLabelChooser(){

                jLabelChooser = new JLabel();

                jLabelChooser.setText(PluginServices.getText(this, "seleccion_nadgrids")+":");

                return jLabelChooser;

        }

        private Component getJTextAreaInfo() {

                if (jTextAreaInfo == null){

                        jTextAreaInfo = new JTextArea();

                        jTextAreaInfo.setLineWrap(true);

                        jTextAreaInfo.setWrapStyleWord(true);

                        jTextAreaInfo.setPreferredSize(new Dimension(400, 100));

                        jTextAreaInfo.setEditable(false);

                        jTextAreaInfo.setText(getWKT());

                }

                jTextAreaInfo.setText(getWKT());

                return jTextAreaInfo;

        }

        private JPanel getJPanelOpen() {

                if(jPanelOpen == null) {

                        jPanelOpen = new JPanel();

                        jPanelOpen.setLayout(new FlowLayout(FlowLayout.LEFT,5,5));

                        jPanelOpen.add(getJLabelOpenGsb(), null);

                        jPanelOpen.add(getJButtonOpen(), null);                        

                }

                return jPanelOpen;

        }

        private JLabel getJLabelOpenGsb() {

                if(jLabelOpenGsb == null) {

                        jLabelOpenGsb = new JLabel();

                        jLabelOpenGsb.setPreferredSize(new Dimension(130,20));

                        jLabelOpenGsb.setText(PluginServices.getText(this,"importar")+" .gsb:");

                }

                return jLabelOpenGsb;

        }

        private JFileChooser getOpenFileChooser(){

                if(openFileChooser == null){

                        openFileChooser = new JFileChooser();                        

                        openFileChooser.setEnabled(false);

                        openFileChooser.addChoosableFileFilter(new FiltroNadgrids());

                }

                return openFileChooser;

        }

        private JButton getJButtonOpen() {

                if(jButtonOpen == null) {

                        jButtonOpen = new JButton();

                        jButtonOpen.setText("");

                        jButtonOpen.setPreferredSize(new Dimension(20,20));

                        jButtonOpen.setText("...");

                        jButtonOpen.addActionListener(this);

                }

                return jButtonOpen;

        }

        public ICrs getProjection() {

                ICrs crs;

                if (jRadioButtonSource.isSelected()){

                        try {

                                setNad(false);

                                //crs = new CrsFactory().getCRS(getSourceAbrev(),        getWKT());

                                crs = new CrsFactory().getCRS(getSourceAbrev());

                                crs.setParametersTranformation("+nadgrids="+getNadFile());//nadFile);

                                return crs;

                        } catch (org.gvsig.crs.CrsException e) {

                                e.printStackTrace();

                        }

                        return null;

                }

                else {        

                        setNad(true);

                        try {

                                //crs = new CrsFactory().getCRS(getSourceAbrev(), getWKT());

                                crs = new CrsFactory().getCRS(getSourceAbrev());

                                crs.setParametersTranformation("+nadgrids="+getNadFile());//nadFile);

                                crs.setParametersTransformationInTarget(true);

                                return crs;

                        } catch (CrsException e) {                                

                                e.printStackTrace();

                        }

                        return null;

                }                

        }

        public void setProjection(IProjection proj) {

                firstProj = proj;

        }

        public void setNad(boolean nadg){

                targetNad = nadg;                

        }

        public boolean getNad(){

                return targetNad;                

        }

        public void setCode(int cod){

                codeEpsg = cod;

        }

        public int getCode(){

                return codeEpsg;

        }

        public void setWKT(String cad){

                cadWKT = cad;

                CrsWkt parser = new CrsWkt(cad);

                //setSourceAbrev(parser.getAuthority()[0], parser.getAuthority()[1]);

                //getJTextAreaInfo();

                //getJRadioButtonSource();

        }

        public String getWKT(){

                return cadWKT;

        }

        public void setTargetAuthority(String[] authority){

                targetAuthority = authority;

                setTargetAbrev(targetAuthority[0], targetAuthority[1]);

                getJRadioButtonTarget();                

        }

        public String[] getTargetAuthority(){

                return targetAuthority;

        }

        public void setTargetAbrev(String fuente, String codigo){

                targetAbrev = fuente + ":" + codigo;

        }

        public String getTargetAbrev() {

                return targetAbrev;

        }

        public void setSourceAbrev(String fuente, String codigo){

                sourceAbrev = fuente + ":" + codigo;

                getJTextAreaInfo();

                getJRadioButtonSource();

        }

        public String getSourceAbrev(){

                return sourceAbrev;

        }

        public WindowInfo getWindowInfo() {

                WindowInfo m_viewinfo=new WindowInfo(WindowInfo.MODALDIALOG);

                   m_viewinfo.setTitle(PluginServices.getText(this,"nadgrids"));

                return m_viewinfo;

        }

        public void actionPerformed(ActionEvent e) {

                if (e.getSource() == this.getJRadioButtonSource()){

                        jRadioButtonSource.setSelected(true);

                        jRadioButtonTarget.setSelected(false);

                }

                if (e.getSource() == this.getJRadioButtonTarget()){

                        jRadioButtonTarget.setSelected(true);

                        jRadioButtonSource.setSelected(false);

                }

                if (e.getSource() == this.getJButtonOpen()){

                        jPanelOpen.add(getOpenFileChooser(), null);

                        //openChooser.setCurrentDirectory(f);

                        int returnVal = openFileChooser.showOpenDialog(TransformationNadgridsPanel.this);

                if (returnVal == JFileChooser.APPROVE_OPTION) {

                    File inFile = openFileChooser.getSelectedFile();

                    //jTextOpen.setText(file.getAbsolutePath());

                    String fileName = inFile.getName();

                    //Comprobar que el fichero existe y tiene formato valido

                            RandomAccessFile raFile = null;

                            try {

                                    raFile = new RandomAccessFile(inFile.getAbsolutePath(),"r");

                            } catch (FileNotFoundException ex) {

                                    ex.printStackTrace();

                                    getJComboNadFile().setSelectedIndex(0);

                                    getTreePanel().setRoot(PluginServices.getText(this,"nadfile_not_found"));

                                    setNadFile(null);//nadFile = null;

                                    return;

                            }

                            GridShiftFile gsf = new GridShiftFile();

                            try {

                                    gsf.loadGridShiftFile(raFile);

                            } catch (IOException ex) {

                                    ex.printStackTrace();

                                    getJComboNadFile().setSelectedIndex(0);

                                    getTreePanel().setRoot(PluginServices.getText(this,"nadfile_bad_format"));

                                    setNadFile(null);//nadFile = null;

                                    return;

                            }catch (java.lang.Exception ex) {

                                    ex.printStackTrace();

                                    getJComboNadFile().setSelectedIndex(0);

                                    getTreePanel().setRoot(PluginServices.getText(this,"nadfile_bad_format"));

                                    setNadFile(null);//nadFile = null;

                                    return;

                            }

                    //Copiar el fichero seleccionado al directorio data de la extensin:

                            File outFile = new File(dataPath+fileName);

                            InputStream in = null;

                            OutputStream out = null;

                            try {

                                    in = new FileInputStream(inFile);

                                    out = new FileOutputStream(outFile);

                            } catch (FileNotFoundException ex) {

                                    ex.printStackTrace();

                            }

                            byte[] buf = new byte[1024];

                            int len;

                            try {

                                    while ((len = in.read(buf)) > 0) {

                                            out.write(buf, 0, len);

                                    }

                                    in.close();

                                    out.close();

                            } catch (IOException ex) {

                                    ex.printStackTrace();

                            }

                            //Incluir el fichero importado en el combo y seleccionarlo

                            boolean exists = false;

                            for (int item=0; item<getJComboNadFile().getItemCount() && !exists;item++)

                                    if (getJComboNadFile().getItemAt(item).equals(fileName))

                                            exists = true;

                            if(!exists)

                                    getJComboNadFile().addItem(fileName);

                            getJComboNadFile().setSelectedItem(fileName);

                            setNadFile(fileName);//nadFile = fileName;

                }

                }

        }

        public TreePanel getTreePanel() {

                if (treePanel == null){

                        treePanel = new TreePanel(PluginServices.getText(this,"grids_en")+": "+nadFile);

                        treePanel.getTree().expandRow(0);

                        treePanel.setPanelSize(530,150);

                }

                return treePanel;

        }

        public void initializeTree(){

                // leer el fichero nadgrids

                RandomAccessFile raFile = null;

                try {

                        raFile = new RandomAccessFile("./gvSIG/extensiones/org.gvsig.crs/data/"+nadFile,"r");

                } catch (FileNotFoundException e) {

                        e.printStackTrace();

                        getTreePanel().setRoot(PluginServices.getText(this,"nadfile_not_found"));

                        setNadFile(null);//nadFile = null;

                        return;

                }

                GridShiftFile gsf = new GridShiftFile();

                try {

                        gsf.loadGridShiftFile(raFile);

                } catch (IOException e) {

                        e.printStackTrace();

                        getTreePanel().setRoot(PluginServices.getText(this,"nadfile_bad_format"));

                        setNadFile(null);//nadFile = null;

                        return;

                }catch (java.lang.Exception e) {

                        e.printStackTrace();

                        getTreePanel().setRoot(PluginServices.getText(this,"nadfile_bad_format"));

                        setNadFile(null);//nadFile = null;

                        return;

                }

                SubGrid subGrid[] = gsf.getSubGridTree(); 

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

                        getTreePanel().addClass(subGrid[i].getSubGridName(),i);

                        getTreePanel().addEntry(PluginServices.getText(this,"long_min")+": "+String.valueOf(subGrid[i].getMaxLon()/-3600)+"",subGrid[i].getSubGridName(), "");

                        getTreePanel().addEntry(PluginServices.getText(this,"lat_min")+": "+String.valueOf(subGrid[i].getMinLat()/3600)+"?",subGrid[i].getSubGridName(), "");

                        getTreePanel().addEntry(PluginServices.getText(this,"long_max")+": "+String.valueOf(subGrid[i].getMinLon()/-3600+"?"),subGrid[i].getSubGridName(), "");

                        getTreePanel().addEntry(PluginServices.getText(this,"lat_max")+": "+String.valueOf(subGrid[i].getMaxLat()/3600+""),subGrid[i].getSubGridName(), "");

                        getTreePanel().addEntry(PluginServices.getText(this,"node_count")+": "+String.valueOf(subGrid[i].getNodeCount()),subGrid[i].getSubGridName(), "");

                        getTreePanel().addEntry(PluginServices.getText(this,"detalles")+": "+String.valueOf(subGrid[i].getDetails()),subGrid[i].getSubGridName(), "");

                }

                getTreePanel().getTree().expandRow(0);

                getTreePanel().getList().setText(PluginServices.getText(this,"advertencia_nad"));

        }

        public JComboBox getJComboNadFile() {

                if (jComboNadFile == null){

                        jComboNadFile = new JComboBox();

                        jComboNadFile.setPreferredSize(new Dimension(200,25));

                        jComboNadFile.setEditable(false);

                        jComboNadFile.addItem(PluginServices.getText(this,"seleccionar")+"...");

                        //Aadir los al combo los nombres de los .gsb que hay en el directorio data

                        File dataDir = new File(dataPath);

                        for (int i = 0; i<dataDir.list().length;i++)

                                if (dataDir.list()[i].substring(dataDir.list()[i].lastIndexOf('.')+1).equals("gsb")){

                                        jComboNadFile.addItem(dataDir.list()[i]);

                                }

                        if (getNadFile() != null)//nadFile != null)

                                jComboNadFile.setSelectedItem(getNadFile());//nadFile);

                }

                return jComboNadFile;

        }

        public JLabel getJLabelSelectNad() {

                if (jLabelSelectNad == null){

                        jLabelSelectNad = new JLabel(PluginServices.getText(this,"Fichero nadgrids")+":  ");

                        jLabelSelectNad.setPreferredSize(new Dimension(130,25));

                }

                return jLabelSelectNad;

        }

        public JPanel getJPanelSelectNad() {

                if (jPanelSelectNad == null){

                        jPanelSelectNad = new JPanel();

                        jPanelSelectNad.setLayout(new FlowLayout(FlowLayout.LEFT,5,5));                

                        jPanelSelectNad.add(getJLabelSelectNad());

                        jPanelSelectNad.add(getJComboNadFile());

                }

                return jPanelSelectNad;

        }

        public void setNadFile(String nad){

                nadFile = nad;

        }

        public String getNadFile(){

                return nadFile;

        }        

        /**

         * Guarda el nombre del fichero nadgrids mediante el modelo de persistencia

         * de Andami

         * @param name Nombre del fichero nadgrids

         */

        public void saveNadFileName(String name){

                ps = PluginServices.getPluginServices(RecentCRSsPersistence.pluginClassInstance); 

                xml = ps.getPersistentXML();

                for (int child = 0; child<xml.getChildrenCount();child++)

                        if (xml.getChild(child).getPropertyName(0).equals("nadFile"))

                                xml.removeChild(child);

                XMLEntity xmlEnt = new XMLEntity();

                xmlEnt.putProperty("nadFile",name);

                xml.addChild(xmlEnt);

                ps.setPersistentXML(xml);

        }

        /**

         * Obtiene el nombre del fichero nadgrids guardado mediante el

         * modelo de persistencia de Andami.

         * 

         * @return nombre del fichero nadgrids o null si no ha sido guardado.

         */

        private String restoreNadFileName(){

                String fileName;

                for (int child = 0; child<xml.getChildrenCount();child++)

                        if (xml.getChild(child).getPropertyName(0).equals("nadFile")){

                                fileName = xml.getChild(child).getPropertyValue(0);

                                File dataDir = new File(dataPath);

                                for (int i = 0; i<dataDir.list().length;i++)

                                        if (dataDir.list()[i].equals(fileName)){

                                                return fileName;

                                        }

                        }

                return null;

        }

}

class FiltroNadgrids extends FileFilter {

        final static String gsb = "gsb";

        public boolean accept(File f) {

                if (f.isDirectory()) {

           return true;

       }

       String s = f.getName();

       int i = s.lastIndexOf('.');

       if (i > 0 &&  i < s.length() - 1) {

           String extension = s.substring(i+1).toLowerCase();

           if (gsb.equals(extension)){

                   return true;

           } else {

               return false;

           }

       }

       return false;

        }

        public String getDescription() {

                 return "Archivos .gsb";

        }

}