| gvSIG desktop 1

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

import java.awt.FlowLayout;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.event.ActionEvent;

import java.awt.geom.Rectangle2D;

import java.io.File;

import javax.swing.JButton;

import javax.swing.JDialog;

import javax.swing.JFileChooser;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.filechooser.FileFilter;

import org.cresques.cts.IProjection;

import org.cresques.io.GeoRasterFile;

import org.cresques.px.Extent;

import com.hardcode.driverManager.DriverLoadException;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

import com.iver.cit.gvsig.fmap.DriverException;

import com.iver.cit.gvsig.fmap.ViewPort;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.drivers.RasterDriver;

import com.iver.cit.gvsig.fmap.layers.FLyrRaster;

import com.iver.cit.gvsig.fmap.layers.LayerFactory;

import com.iver.cit.gvsig.fmap.layers.RasterAdapter;

import com.iver.cit.gvsig.fmap.layers.RasterFileAdapter;

import com.iver.cit.gvsig.gui.FOpenDialog;

import com.iver.cit.gvsig.gui.View;

import com.iver.cit.gvsig.gui.Dialogs.GeoreferencingDialog;

public class SelectFilePanel extends JPanel {

        private JPanel pGeneral = null;

        private JPanel pFileSelection = null;

        private JPanel pControls = null;

        private JTextField tFile = null;

        private JButton bSelectFile = null;

        //private ProjChooserPanel jPanelProj = null;

        private JPanel pProyection = null;

        /**

         * Lista de formatos soportados

         */

        private String[] fileFilters = {"ecw", "sid", "tif", "jpg", "png"};

        /**

         * Nombre del fichero seleccionado

         */

        private String fName = "";

        /**

         * Nombre de la capa

         */

        private String lyrName = "";

        /**

         * Recuerda la ?ltima ruta seleccionada por el usuario

         */

        private String lastPath = "./";

        private GeoreferencingDialog parent = null;

        private FLyrRaster lyrRaster = null;

        /**

         * This is the default constructor

         */

        public SelectFilePanel(GeoreferencingDialog georef) {

                super();

                initialize();

                this.parent = georef;

        }

        /**

         * This method initializes this

         * 

         * @return void

         */

        private void initialize() {

        this.setPreferredSize(new java.awt.Dimension(400,240));

        this.setSize(new java.awt.Dimension(400,240));

        this.setLocation(new java.awt.Point(0,0));

        this.add(getPGeneral(), null);

        this.getBSelectFile().addActionListener(new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent evt) {

                    acceptButtonActionPerformed(evt);

            }

        });

         }

        /**

         * This method initializes jPanel        

         *         

         * @return javax.swing.JPanel        

         */

        private JPanel getPGeneral() {

                if (pGeneral == null) {

                        GridBagConstraints gridBagConstraints1 = new GridBagConstraints();

                        gridBagConstraints1.insets = new java.awt.Insets(5,0,0,0);

                        gridBagConstraints1.gridy = 1;

                        gridBagConstraints1.gridx = 0;

                        GridBagConstraints gridBagConstraints = new GridBagConstraints();

                        gridBagConstraints.insets = new java.awt.Insets(0,0,2,0);

                        gridBagConstraints.gridy = 0;

                        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTH;

                        gridBagConstraints.gridx = 0;

                        pGeneral = new JPanel();

                        pGeneral.setLayout(new GridBagLayout());

                        pGeneral.setPreferredSize(new java.awt.Dimension(400,240));

                        pGeneral.add(getPFileSelection(), gridBagConstraints);

                        pGeneral.add(getPControls(), gridBagConstraints1);

                }

                return pGeneral;

        }

        /**

         * This method initializes jPanel        

         *         

         * @return javax.swing.JPanel        

         */

        private JPanel getPFileSelection() {

                if (pFileSelection == null) {

                        FlowLayout flowLayout = new FlowLayout();

                        flowLayout.setVgap(10);

                        pFileSelection = new JPanel();

                        pFileSelection.setBorder(javax.swing.BorderFactory.createTitledBorder(null, PluginServices.getText(this,"cargar"), javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null));

                        pFileSelection.setLayout(flowLayout);

                        pFileSelection.setPreferredSize(new java.awt.Dimension(380,70));

                        pFileSelection.add(getTFile(), null);

                        pFileSelection.add(getBSelectFile(), null);

                }

                return pFileSelection;

        }

        /**

         * This method initializes jPanel1        

         *         

         * @return javax.swing.JPanel        

         */

        private JPanel getPControls() {

                if (pControls == null) {

                        GridBagConstraints gridBagConstraints2 = new GridBagConstraints();

                        gridBagConstraints2.gridx = 0;

                        gridBagConstraints2.gridy = 0;

                        pControls = new JPanel();

                        pControls.setLayout(new GridBagLayout());

                        pControls.setPreferredSize(new java.awt.Dimension(380,135));

                        pControls.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "", javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null));

                        pControls.add(getPProyection(), gridBagConstraints2);

                }

                return pControls;

        }

        /**

         * This method initializes jTextField        

         *         

         * @return javax.swing.JTextField        

         */

        private JTextField getTFile() {

                if (tFile == null) {

                        tFile = new JTextField();

                        tFile.setPreferredSize(new java.awt.Dimension(280,25));

                }

                return tFile;

        }

        /**

         * This method initializes jButton        

         *         

         * @return javax.swing.JButton        

         */

        private JButton getBSelectFile() {

                if (bSelectFile == null) {

                        bSelectFile = new JButton();

                        bSelectFile.setText(PluginServices.getText(this, "cargar"));

                }

                return bSelectFile;

        }

        /**

         * This method initializes jPanel        

         *         

         * @return javax.swing.JPanel        

         */    

        private ProjChooserPanel getPProyection() {

                if (pProyection == null) {

                        pProyection = new ProjChooserPanel(GeoreferencingDialog.getLastProjection());

                        ((ProjChooserPanel)pProyection).addActionListener(new java.awt.event.ActionListener() { 

                                public void actionPerformed(java.awt.event.ActionEvent e) {

                                if (((ProjChooserPanel)pProyection).isOkPressed()) {

                                        FOpenDialog.setLastProjection(((ProjChooserPanel)pProyection).getCurProj());

                                }

                                }

                        });

                }

                return ((ProjChooserPanel)pProyection);

        }

        /**

         * Crea una capa Raster a partir del nombre driver, fichero y proyecci?n y 

         * coordenadas de georeferenciaci?n. Esta funci?n es para georeferenciar 

         * capas raster. Para imagenes que no tienen georeferenciaci?n hay que asignarle

         * una temporal, normalmente a partir de la vista activa.

         *

         * @param layerName Nombre de la capa.

         * @param d RasterDriver.

         * @param f Fichero.

         * @param proj Proyecci?n.

         * @param extent Extent de la vista activa

         *

         * @return Nueva capa de tipo raster.

         *

         * @throws DriverIOException

         */

        private FLyrRaster createLayer(String layerName, RasterDriver d,

                File f, IProjection proj, Extent ext) throws DriverException {

                RasterAdapter adapter = new RasterFileAdapter(f);

                adapter.setDriver(d);

                FLyrRaster capa = new FLyrRaster();

                if (capa != null) {

                        capa.setName(layerName);

                        capa.setSource(adapter);

                        capa.setProjection(proj);

                        capa.setTempExtent(ext);

                        capa.setExtentFlag(GeoRasterFile.ORDER);

                        try {

                                capa.load();

                        } catch (DriverIOException e) {

                                throw new DriverException(e);

                        }

                capa.setVisible(true);

                }else 

                        return null;

                return capa;

        }

        /**

         * Calcula un extent posible para la imagen a partir del extent de la vista.

         * En este caso centra la imagen en la vista.

         * @param w        Ancho de la imagen

         * @param h Alto de la imagen

         * @return        Extent para la imagen

         */

        protected Extent calcTempExtent(String file, ViewPort vp, IProjection proj){

                //Obtenemos el ancho y alto de la imagen y obtenemos un extent a partir

                //del viewport.

                Extent tempExtent = null;

                GeoRasterFile grf = GeoRasterFile.openFile(proj, file);

                double w = grf.getWidth();

                double h = grf.getHeight();

                if(vp == null || vp.getAdjustedExtent() == null){

                        vp = new ViewPort(proj);

                        Rectangle2D r2d = new Rectangle2D.Double(0, 0, w, h);

                        vp.setExtent(r2d);

                        tempExtent = new Extent(0, 0, w, h);

                }else

                        tempExtent = new Extent(vp.getAdjustedExtent());

                grf.close();

                double ulX = 0D, ulY = 0D, lrX = 0D, lrY = 0D;

                if(w > h){

                        double widthView = tempExtent.maxX() - tempExtent.minX();

                        ulX = tempExtent.minX() + (widthView / 4);

                        lrX = ulX + (widthView / 2);

                        double newAlto = ((h * (widthView / 2)) / w);

                        double centroY = tempExtent.minY()+((tempExtent.maxY() - tempExtent.minY())/2);

                        ulY = centroY - (newAlto / 2);

                        lrY = centroY + (newAlto / 2);

                }else{

                        double heightView = tempExtent.maxY() - tempExtent.minY();

                        ulY = tempExtent.minY() + (heightView / 4);

                        lrY = ulY + (heightView / 2);

                        double newAncho = ((w * (heightView / 2)) / h);

                        double centroX = tempExtent.minX()+((tempExtent.maxX() - tempExtent.minX())/2);

                        ulX = centroX - (newAncho / 2);

                        lrX = centroX + (newAncho / 2);

                }

                return new Extent(ulX, ulY, lrX, lrY);

        }

        /**

         * Evento de pulsado del bot?n de seleccionar fichero

         * @param e

         */

        private void acceptButtonActionPerformed(ActionEvent e) {

                //Selector de Fichero que se quiere georeferenciar

                if(        e.getSource().equals(this.getBSelectFile())){

                        JFileChooser chooser = new JFileChooser(lastPath);

                        chooser.setDialogTitle(PluginServices.getText(this, "seleccionar_fichero"));

                        FileFilter f = null;

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

                                f = new SelectFileFilter(chooser, this.fileFilters[i]);

                                chooser.addChoosableFileFilter(f);

                        }

                        int returnVal = chooser.showOpenDialog(this);

                        if(returnVal == JFileChooser.APPROVE_OPTION){

                                 this.fName = chooser.getSelectedFile().toString();

                                 FileFilter filter = chooser.getFileFilter();

                                 this.getTFile().setText(fName);

                                 lastPath = chooser.getCurrentDirectory().getAbsolutePath();

                                 if (PluginServices.getMainFrame() == null) {

                    ((JDialog) (getParent().getParent().getParent()

                            .getParent())).dispose();

                } else {

                        //Creamos la capa y la cargamos

                        IProjection proj = this.getPProyection().getCurProj();

                        try{

                                com.hardcode.driverManager.Driver driver = LayerFactory.getDM().getDriver("gvSIG Image Driver");

                                View theView = (View) PluginServices.getMDIManager().getActiveView();

                                File fich = new File(fName);

                                                ViewPort viewPort = theView.getMapControl().getMapContext().getViewPort();

                                //Calculamos el extent de la imagen que ser? cargada

                                Extent ext = calcTempExtent(        fName, 

                                                                                                viewPort, 

                                                                                                proj);

                                this.setLyrName("*"+fName.substring(fName.lastIndexOf("/")+1));

                                lyrRaster = this.createLayer("*"+fName.substring(fName.lastIndexOf("/")+1, fName.length()),

                            (RasterDriver) driver, fich, proj, ext);

                                //Pasamos la capa al behavior

                                this.parent.getRedimBehavior().setLyrRaster(lyrRaster);

                                this.parent.getRedimBehavior().setPathToFile(fName);

                                this.parent.getGeoMoveBehavior().setLyrRaster(lyrRaster);

                                this.parent.getGeoMoveBehavior().setPathToFile(fName);

                                            theView.getMapControl().getMapContext().getLayers()

                                               .addLayer(lyrRaster);  

                        }catch(DriverLoadException exc){

                                NotificationManager.addError("No se pudo acceder a los drivers", exc);

                        }catch(DriverException exc){

                                NotificationManager.addError("El driver ha producido un error", exc);

                        }

                    parent.getTabPanel().setSelectedIndex(1);

                }

                         }

            }        

        }

        /**

         * @return Returns the lyrRaster.

         */

        public FLyrRaster getFLyrRaster() {

                return lyrRaster;

        }

        /**

         * @param lyrRaster The lyrRaster to set.

         */

        public void setFLyrRaster(FLyrRaster lyrRaster) {

                this.lyrRaster = lyrRaster;

        }

        /**

         * 

         * @author Nacho Brodin (brodin_ign@gva.es)

         *

         */

        class SelectFileFilter extends javax.swing.filechooser.FileFilter {

                private JFileChooser chooser = null;

                private String file = null;

                public SelectFileFilter(JFileChooser ch, String file){

                        this.chooser = ch;

                        this.file = file;

                }

            public boolean accept(File f) {

                    return f.isDirectory() || f.getName().toLowerCase().endsWith("."+file);

            }

            public String getDescription() {

                    return file;

            }

        }

        /**

         * @return Returns the fName.

         */

        public String getLyrName() {

                return lyrName;

        }

        /**

         * @param name The fName to set.

         */

        public void setLyrName(String name) {

                lyrName = name;

        }

}