| gvSIG desktop 1

/*

 * Created on 25-abr-2004

 *

 * @author "Luis W. Sevilla" <sevilla_lui@gva.es>

 */

package org.cresques.geo.cover;

import java.util.Hashtable;

import java.util.Enumeration;

import java.io.File;

import java.io.FilenameFilter;

import java.awt.Color;

import org.cresques.px.*;

import org.cresques.ui.CQApp;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.cresques.geo.Projected;

import org.cresques.geo.Projection;

import org.cresques.geo.ReProjection;

import org.cresques.io.GeoRasterFile;

//import org.cresques.io.*;

class FileSupport {

        String extension;

        Class supportClass;

        public FileSupport(String e, Class c) {

                extension = e;

                supportClass = c;

        }

};

/**

 * Cobertura espacial

 * 

 * @author "Luis W. Sevilla" <sevilla_lui@gva.es>

 */

public class Coverage implements Projected {

/*        protected FileSupport [] fSupport = {

                new FileSupport("ecw", EcwFile.class)

        };*/

        // Nombre de la cobertura

        protected String name = "Orto ICV 1:5.000";

        // Direcci?n raiz de los datos

        protected String dName = null; //"//sercart/cartografia/ortofotos/Orto_ICV/00009";

        protected int        nLevels = 1;

        protected String hojaPrefix = "";

        protected Hashtable hojas = null;

;

        protected PxObjList marcos;

        protected Color color = null;

        protected Color fillColor = null;

        protected boolean loadable = true;

        protected IProjection proj = null;

        public Coverage() {

                hojas = new Hashtable();

        }

        public String getName() { return name; }

        public Hashtable getHojas() { return hojas; }

        public IProjection getProjection() { return proj; }

        public void setProjection(IProjection p) { proj = p; }

        public void reProject(ICoordTrans rp) {

                // TODO metodo reProject pendiente de implementar

        }

        /**

         * Verifica si la extensi?n del fichero esta en la lista de ficheros soportados.

         * @param fName

         * @return

         * / 

        private boolean isSupportedFile(String fName) {

                String fn = fName.toLowerCase();

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

                        if (fn.endsWith(fSupport[i].extension))

                                return true;

                return false;

        }*/

        public void catalogue(String [] files) {

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

                        hojas.put(hojaPrefix+files[i],files[i]);

                }

        }

        public void catalogue() {

                catalogue(dName);

        }

        public void catalogueList(String [][] files) {

                Projection prj;

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

                        if (files[i][2] != null)

                                prj = (Projection) Projection.getProjectionByName(proj.getDatum(), files[i][2]);

                        else

                                prj = ((Projection) proj);

                        hojas.put(files[i][0],new Hoja(prj, files[i][1], files[i][0]));

                }

        }

        public void catalogue(String dName) {

                System.out.println("Catalogando '"+dName+"' ...");

                File dir = new File(dName);

                if (!dir.exists()) {

                        System.err.println("Que dice que '"+dName+"'no existe");

                        return;

                }

                String[] files = dir.list();

                if (files != null) {

                        catalogue(files);

                } 

        }

        public void generateMinuteo(CQApp app, String lName, String lName1) {

                PxLayer layer1 = null;

                if (color == null) color = new Color(64,220,64,255);

                if (fillColor == null) fillColor = new Color(128,220,128,32);

                if (hojas.size()== 0)

                        catalogue(this.dName);

                marcos = new PxObjList();

                if (nLevels>0) {

                        layer1 = app.createLayer(name+lName1, proj);

                        layer1.setColor(color);

                        layer1.setFillColor(fillColor);

                }

                PxLayer layer = app.createLayer(name+lName, proj);

                layer.setColor(color);

                layer.setFillColor(fillColor);

                Enumeration enum = hojas.keys();

                String hName, hCode;

                Hoja h;

                Object obj = null; 

                while (enum.hasMoreElements()) {

                        hName = (String) enum.nextElement();

                        obj = hojas.get(hName);

                        if (obj.getClass() == String.class) {

                                hCode = (String) obj;

                                generateMinuteoHoja(dName+"/"+hCode, hName, layer, layer1);

                        } else if (obj.getClass() == Hoja.class) {

                                h = (Hoja) obj;

                                generateMinuteoHoja(dName+"/"+h.getCode(), h, layer, layer1);

                        }

                }

                app.setCurrentMinuteo(layer);

                if (proj != app.getCurrentProjection()) {

                        ICoordTrans rp = null;

                        if (proj instanceof Projection)

                                rp = new ReProjection(((Projection) proj), ((Projection)app.getCurrentProjection()));

                        layer.reProject(rp);

                        if (layer1 != null) layer1.reProject(rp);

                }

        }

        public void generateMinuteoHoja(String hFName, Hoja h, PxLayer layer, PxLayer layer1) {

                GeoRasterFile eFile = null;

                PxContour contour = null;

                String fName = null;

                File dir = new File(hFName);

                if (!hFName.startsWith("ecwp:") && !dir.exists()) {

                        System.err.println("Hoja '"+hFName+"' Inexistente");

                        return;

                }

                if (dir.isDirectory()) {

                } else {

                        if (!GeoRasterFile.fileIsSupported(hFName) ) return;

                        fName = hFName;

                        System.out.println("Analizo '"+h.getName()+"' ...");

                        eFile = GeoRasterFile.openFile(null, fName);

                        contour = new PxContour(eFile.getExtent(), fName, h.getName(), h.getProjection());

                        eFile.close();

                        contour.c(color);

                        contour.fillColor(fillColor);

                        layer.add(contour);

                }                

        }

        public void generateMinuteoHoja(String hName, String name, PxLayer layer, PxLayer layer1) {

                GeoRasterFile eFile = null;

                PxContour contour = null;

                String fName = null;

                File dir = new File(hName);

                if (!hName.startsWith("ecwp:") && !dir.exists()) {

                        System.err.println("Hoja '"+hName+"' Inexistente");

                        return;

                }

                if (dir.isDirectory()) {

                        FilenameFilter filter = new FilenameFilter() {

                                public boolean accept(File dir, String fName) {

                                        return GeoRasterFile.fileIsSupported(fName);

                                }

                        };

                        String [] files = dir.list(filter);

                        System.out.print(files.length+" ficheros.");

                        if (files.length > 0) {

                                Extent extent = new Extent();

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

                                        fName = hName+"/"+files[i];

                                        System.out.println("Analizo '"+fName+"' ...");

                                        eFile = GeoRasterFile.openFile(null, fName);

                                        contour = new PxContour(eFile.getExtent(), fName, files[i], proj);

                                        eFile.close();

                                        //contour = EcwFile.getContour(fName, files[i], proj);

                                        layer1.add(contour);

//                                        mapview.loadECW(hName+"/"+fName);

                                        extent.add(contour.getExtent());

                                }

                                if (contour != null) {

                                        contour = new PxContour(extent, hName, name, proj);

                                        contour.c(color);

                                        contour.fillColor(fillColor);

                                        layer.add(contour);

                                }

                        }

                } else {

                        if (!GeoRasterFile.fileIsSupported(hName) ) return;

                        fName = hName;

                        System.out.println("Analizo '"+name+"' ...");

                        //contour = EcwFile.getContour(fName, name, proj);

                        eFile = GeoRasterFile.openFile(null, fName);

                        contour = new PxContour(eFile.getExtent(), fName, name, proj);

                        eFile.close();

                        contour.c(color);

                        contour.fillColor(fillColor);

                        layer.add(contour);

//                        mapview.loadECW(hName+"/"+fName);

                }                

        }

        public void loadHoja(CQApp app, String hoja) {

                if (!loadable) return;

                String fName = null;

                Object obj = hojas.get(hoja);

                String hCode=null;

                if (obj.getClass() == String.class) {

                        hCode = (String) obj;

                } else if (obj.getClass() == Hoja.class) {

                        hCode = ((Hoja) obj).getCode();

                }

                String hDName = dName+"/"+hCode;

                System.out.print("Explorando '"+hDName+"' ("+hoja+") ... " );

                File dir = new File(hDName);

                if ((!hDName.startsWith("ecwp:") && !dir.exists()) ||

                        hojas.get(hoja) == null) {

                        System.err.println("Que dice que no existe");

                        return;

                }

                String[] files;/* = dir.list();

/*                if (children == null) {

                        // Either dir does not exist or is not a directory

                } else {

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

                                // Get filename of file or directory

                                String filename = children[i];

                        }

                } */

                // It is also possible to filter the list of returned files.

                // This example does not return any files that start with `.'.

                if (dir.isDirectory()) {

                        FilenameFilter filter = new FilenameFilter() {

                                public boolean accept(File dir, String fName) {

                                        return GeoRasterFile.fileIsSupported(fName);

                                }

                        };

                        files = dir.list(filter);

                        System.out.print(files.length+" ficheros.");

                        if (files.length > 0) {

                                PxLayer layer = app.createLayer(name+hoja, proj);

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

                                        fName = files[i];

                                        System.out.println("Cargo ...'"+fName+"'");

                                        app.loadFile(hDName+"/"+fName, proj);

                                        //mapview.canvas.zoomExtents();

                                        app.getCanvas().repaint();

                                }

                        }

                } else {

                        PxLayer layer = app.getLayerByName(name);

                        if (layer == null) {

                                layer = app.createLayer(name, proj);

                        }

                        app.setCurrentLayer(layer);

                        fName = hDName;

                        if (!GeoRasterFile.fileIsSupported(fName)) return;

                        System.out.println("Cargo ...'"+fName+"'");

                        app.loadFile(fName, proj);

                        //mapview.canvas.zoomExtents();

                        app.getCanvas().repaint();

                }

        }

}