| gvSIG desktop 1

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

 *

 * Copyright (C) 2004-2007 IVER T.I. 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

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig;

import java.awt.Component;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.FileReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.io.Reader;

import java.io.UnsupportedEncodingException;

import java.net.MalformedURLException;

import java.net.URL;

import java.text.DateFormat;

import java.util.ArrayList;

import java.util.Date;

import java.util.prefs.Preferences;

import javax.swing.ImageIcon;

import javax.swing.JOptionPane;

import org.exolab.castor.xml.MarshalException;

import org.exolab.castor.xml.Marshaller;

import org.exolab.castor.xml.ValidationException;

import org.gvsig.gui.beans.swing.JFileChooser;

import com.iver.andami.Launcher;

import com.iver.andami.PluginServices;

import com.iver.andami.Launcher.TerminationProcess;

import com.iver.andami.messages.NotificationManager;

import com.iver.andami.plugins.Extension;

import com.iver.andami.plugins.IExtension;

import com.iver.andami.plugins.status.IExtensionStatus;

import com.iver.andami.plugins.status.IUnsavedData;

import com.iver.andami.plugins.status.UnsavedData;

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

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

import com.iver.andami.ui.wizard.UnsavedDataPanel;

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

import com.iver.cit.gvsig.project.Project;

import com.iver.cit.gvsig.project.ProjectFactory;

import com.iver.cit.gvsig.project.documents.ProjectDocument;

import com.iver.cit.gvsig.project.documents.exceptions.OpenException;

import com.iver.cit.gvsig.project.documents.gui.ProjectWindow;

import com.iver.cit.gvsig.project.documents.layout.ProjectMap;

import com.iver.cit.gvsig.project.documents.layout.ProjectMapFactory;

import com.iver.cit.gvsig.project.documents.layout.gui.Layout;

import com.iver.cit.gvsig.project.documents.table.ProjectTableFactory;

import com.iver.cit.gvsig.project.documents.view.ProjectViewFactory;

import com.iver.utiles.GenericFileFilter;

import com.iver.utiles.XMLEntity;

import com.iver.utiles.extensionPoints.ExtensionPoint;

import com.iver.utiles.extensionPoints.ExtensionPoints;

import com.iver.utiles.extensionPoints.ExtensionPointsSingleton;

import com.iver.utiles.save.AfterSavingListener;

import com.iver.utiles.save.BeforeSavingListener;

import com.iver.utiles.save.SaveEvent;

import com.iver.utiles.swing.threads.IMonitorableTask;

import com.iver.utiles.xml.XMLEncodingUtils;

import com.iver.utiles.xmlEntity.generate.XmlTag;

/**

 * Extension que proporciona controles para crear proyectos nuevos, abrirlos y

 * guardarlos. Adem?s los tipos de tabla que soporta el proyecto son a?adidos

 * en esta clase.

 *

 * @author Fernando Gonz?lez Cort?s

 * @author Pablo Piqueras Bartolom? (pablo.piqueras@iver.es)

 */

public class ProjectExtension extends Extension implements IExtensionStatus {

        private static String projectPath = null;

        //private ProjectWindow projectFrame;

        private ProjectWindow projectFrame;

        private Project p;

        private String lastPath;

        private String lastSavePath;

        private String templatesPath;

        private WindowInfo seedProjectWindow;

        public static final String LAYOUT_TEMPLATE_FILECHOOSER_ID = "LAYOUT_TEMPLATE_FILECHOOSER_ID";

        public static final String PROJECT_FILE_CHOOSER_ID = "PROJECT_FILECHOOSER_ID";

        /**

         * Use UTF-8 for encoding, as it can represent characters from

         * any language.

         *

         * Another sensible option would be

         * encoding = System.getProperty("file.encoding");

         * but this would need some extra testing.

         */

        public static String PROJECTENCODING = "UTF-8";

        /**

         * <p>Identifier of the extension point used by <code>ProjectExtension</code> to manage {@link BeforeSavingListener BeforeSavingListener}s.</p>

         */

        public static final String BEFORE_SAVING_ID = "Before_Saving_PrjExt";

        /**

         * <p>Identifier of the extension point used by <code>ProjectExtension</code> to manage {@link BeforeSavingListener BeforeSavingListener}s.</p>

         */

        public static final String AFTER_SAVING_ID = "After_Saving_PrjExt";

        /**

         * @see com.iver.mdiApp.plugins.IExtension#initialize()

         */

        public void initialize() {

            try {

            Class.forName("javax.media.jai.EnumeratedParameter");

        } catch (ClassNotFoundException e) {

            NotificationManager.addError("La m?quina virtual con la que se ejecuta gvSIG no tiene JAI instalado", e);

        }

                LayerFactory.setWritersPath(PluginServices.getPluginServices(this)

                                  .getPluginDirectory()

                                  .getAbsolutePath() +

                                  File.separator + "drivers");

        LayerFactory.setDriversPath(PluginServices.getPluginServices(this)

                                  .getPluginDirectory()

                                  .getAbsolutePath() +

                                  File.separator + "drivers");

        initializeDocumentActionsExtensionPoint();

        registerDocuments();

        // Recuperamos el ?ltimo argumento, que se supone

        // que ser? el fichero .gvp que queremos abrir.

        // (por enmedio pueden venir o no otros argumentos,

        // por ejemplo el idioma)

        // TODO: Aqu? Jaume podr?a meter lo del backup del proyecto

        // que ha hecho para ValenciaUrban?stica

            registerIcons();

        }

        private void registerIcons(){

                PluginServices.getIconTheme().registerDefault(

                                "project-new",

                                this.getClass().getClassLoader().getResource("images/new.png")

                        );

                PluginServices.getIconTheme().registerDefault(

                                "project-open",

                                this.getClass().getClassLoader().getResource("images/open.png")

                        );

                PluginServices.getIconTheme().registerDefault(

                                "project-save",

                                this.getClass().getClassLoader().getResource("images/save.png")

                        );

                PluginServices.getIconTheme().registerDefault(

                                "project-save-as",

                                this.getClass().getClassLoader().getResource("images/save.png")

                        );

                PluginServices.getIconTheme().registerDefault(

                                "layout-template-open",

                                this.getClass().getClassLoader().getResource("images/opentemplate.png")

                        );

                PluginServices.getIconTheme().registerDefault(

                                "application-exit",

                                this.getClass().getClassLoader().getResource("images/salir.png")

                        );

        }

        private void loadInitialProject(){

                String[] theArgs = PluginServices.getArguments();

        String lastArg = theArgs[theArgs.length-1];

        if ((lastArg.endsWith(".gvp")) ||

                        (lastArg.endsWith(".GVP")))

        {

                PluginServices.getLogger().debug("Intentando cargar el proyecto " + lastArg);

                //File projectFile = new File(lastArg);

                setProject(readProject(lastArg));

                PluginServices.getMainFrame().setTitle(p.getName());

                projectPath = lastArg;

        }

        else

        {

                        setProject(ProjectFactory.createProject());

                        p.setName(PluginServices.getText(this, "untitled"));

                        p.setModified(false);

                        PluginServices.getMainFrame().setTitle(PluginServices.getText(this, "sin_titulo"));

        }

        }

        /**

         * @see com.iver.mdiApp.plugins.IExtension#postInitialize()

         */

        public void postInitialize() {

                loadInitialProject();

                getProjectFrame().setProject(p);

                p.restoreWindowProperties();

        }

        public ProjectWindow getProjectFrame() {

                if (projectFrame==null)

                                projectFrame = new ProjectWindow();

                return projectFrame;

        }

        /**

         * Muestra la ventana con el gestor de proyectos.

         */

        public void showProjectWindow() {

                if (seedProjectWindow!=null) {

                        if (seedProjectWindow.isClosed()) {

                                // if it was closed, we just don't open the window now

                                seedProjectWindow.setClosed(false);

                                return;

                        }

                        WindowInfo winProps = seedProjectWindow;

                        seedProjectWindow = null;

                        PluginServices.getMDIManager().addWindow(getProjectFrame());

                        PluginServices.getMDIManager().changeWindowInfo(getProjectFrame(), winProps);

                }

                else

                        PluginServices.getMDIManager().addWindow(getProjectFrame());

        }

        /**

         * Muestra la ventana con el gestor de proyectos, con las propiedades

         * de ventana especificadas.

         */

        public void showProjectWindow(WindowInfo wi) {

                seedProjectWindow = wi;

                showProjectWindow();

        }

        /**

         * Guarda el proyecto actual en disco.

         */

        private boolean guardar() {

                boolean saved=false;

//                if (p.getPath() == null) {

                if (projectPath == null) {

                        saved=guardarDialogo();

                } else {

                        long t1,t2;

                        t1 = System.currentTimeMillis();

                        saved=writeProject(new File(projectPath), p, false);

                        t2 = System.currentTimeMillis();

                        PluginServices.getLogger().info("Project saved. " +  (t2-t1) + " miliseconds");

                        getProjectFrame().refreshControls();

                }

                return saved;

        }

        private boolean guardarDialogo(){

                boolean saved=false;

                if (lastSavePath == null)

                        lastSavePath = projectPath;

                Preferences prefs = Preferences.userRoot().node( "gvsig.foldering");

                JFileChooser jfc = new JFileChooser(PROJECT_FILE_CHOOSER_ID, prefs.get("ProjectsFolder", null));

                jfc.setDialogTitle(PluginServices.getText(this, "guardar_proyecto"));

                jfc.addChoosableFileFilter(new GenericFileFilter("gvp",

                                PluginServices.getText(this, "tipo_fichero_proyecto")));

                if (jfc.showSaveDialog((Component) PluginServices.getMainFrame()) == JFileChooser.APPROVE_OPTION) {

                        File file=jfc.getSelectedFile();

                        if (!(file.getPath().toLowerCase().endsWith(".gvp"))){

                                file=new File(file.getPath()+".gvp");

                        }

                        saved=writeProject(file, p);

                        String filePath = file.getAbsolutePath();

                        lastSavePath = filePath.substring(0, filePath.lastIndexOf(File.separatorChar));

                        getProjectFrame().refreshControls();

                }

                return saved;

        }

        /**

         * Checks whether the project and related unsaved data is modified,

         *  and allows the user to save it.

         *

         * @return true if the data has been correctly saved, false otherwise

         */

        private boolean askSave() {

                if (p != null && p.hasChanged()) {

                        TerminationProcess process = Launcher.getTerminationProcess();

                        UnsavedDataPanel panel = process.getUnsavedDataPanel();

                        panel.setHeaderText(PluginServices.getText(this, "Select_resources_to_save_before_closing_current_project"));

                        panel.setAcceptText(

                                        PluginServices.getText(this, "save_resources"),

                                        PluginServices.getText(this, "Save_the_selected_resources_and_close_current_project"));

                        panel.setCancelText(

                                        PluginServices.getText(this, "Dont_close"),

                                        PluginServices.getText(this, "Return_to_current_project"));

                        int closeCurrProj = process.manageUnsavedData();

                        if (closeCurrProj==JOptionPane.NO_OPTION) {

                                // the user chose to return to current project

                                return false;

                        }

                }

                return true;

        }

        /**

         * @see com.iver.mdiApp.plugins.IExtension#updateUI(java.lang.String)

         */

        public void execute(String actionCommand) {

                if (actionCommand.equals("NUEVO")) {

                        if (!askSave()) {

                                return;

                        }

                        projectPath=null;

                        ProjectDocument.initializeNUMS();

                        PluginServices.getMDIManager().closeAllWindows();

                        setProject(ProjectFactory.createProject());

                        getProjectFrame().setProject(p);

                        showProjectWindow();

                        PluginServices.getMainFrame().setTitle(PluginServices.getText(this, "sin_titulo"));

                } else if (actionCommand.equals("ABRIR")) {

                        if (!askSave())

                                return;

                        Preferences prefs = Preferences.userRoot().node( "gvsig.foldering" );

                        JFileChooser jfc = new JFileChooser(PROJECT_FILE_CHOOSER_ID, prefs.get("ProjectsFolder", null));

                        jfc.addChoosableFileFilter(new GenericFileFilter("gvp",

                                        PluginServices.getText(this, "tipo_fichero_proyecto")));

                        if (jfc.showOpenDialog((Component) PluginServices.getMainFrame()) == JFileChooser.APPROVE_OPTION) {

                                ProjectDocument.initializeNUMS();

                                PluginServices.getMDIManager().closeAllWindows();

                                File projectFile = jfc.getSelectedFile();

                                Project o = readProject(projectFile);

                                setPath(projectFile.getAbsolutePath());

                                lastPath = getPath();

                                if (o != null) {

                                        setProject(o);

                                }

                                getProjectFrame().setProject(p);

                                PluginServices.getMainFrame().setTitle(p.getName());

                                getProjectFrame().refreshControls();

//jaume                                p.setModified(true);

                                p.restoreWindowProperties();

                        }

                } else if (actionCommand.equals("GUARDAR")) {

                        guardar();

//jaume                        p.setModified(false);

                } else if (actionCommand.equals("GUARDAR_COMO")) {

                        guardarDialogo();

//jaume                        p.setModified(false);

                } else if (actionCommand.equals("SALIR")){

                        Launcher.closeApplication();

                } else if (actionCommand.compareTo("OPENTEMPLATE")==0){

                        openLayout();

//jaume                        p.setModified(true);

                }

        }

        public void openLayout() {

                //Project project = ((ProjectExtension) PluginServices.getExtension(ProjectExtension.class)).getProject();

                Layout layout=null;

                if (templatesPath == null) {

                        Preferences prefs = Preferences.userRoot().node( "gvsig.foldering" );

                        templatesPath = prefs.get("TemplatesFolder", null);

                }

                JFileChooser jfc = new JFileChooser(LAYOUT_TEMPLATE_FILECHOOSER_ID, templatesPath);

                jfc.addChoosableFileFilter(new GenericFileFilter("gvt",

                                PluginServices.getText(this, "plantilla")));

                if (jfc.showOpenDialog((Component) PluginServices.getMainFrame()) == JFileChooser.APPROVE_OPTION) {

                        File file=jfc.getSelectedFile();

                        if (!(file.getPath().endsWith(".gvt") || file.getPath().endsWith(".GVT"))){

                                file=new File(file.getPath()+".gvt");

                        }

                        try {

                                File xmlFile = new File(file.getAbsolutePath());

                                FileInputStream is = new FileInputStream(xmlFile);

                                Reader reader = XMLEncodingUtils.getReader(is);

                                XmlTag tag = (XmlTag) XmlTag.unmarshal(reader);

                                try {

                                        XMLEntity xml=new XMLEntity(tag);

                                        if (xml.contains("followHeaderEncoding")) {

                                                layout = Layout.createLayout(xml,p);

                                        }

                                        else {

                                                reader = new FileReader(xmlFile);

                                                tag = (XmlTag) XmlTag.unmarshal(reader);

                                                xml=new XMLEntity(tag);

                                                layout = Layout.createLayout(xml,p);

                                        }

                                } catch (OpenException e) {

                                        e.showError();

                                }

                                //fPanelLegendManager.setRenderer(LegendFactory.createFromXML(new XMLEntity(tag)));

                        } catch (FileNotFoundException e) {

                                NotificationManager.addError(PluginServices.getText(this, "Al_leer_la_leyenda"), e);

                        } catch (MarshalException e) {

                                NotificationManager.addError(PluginServices.getText(this, "Al_leer_la_leyenda"), e);

                        } catch (ValidationException e) {

                                NotificationManager.addError(PluginServices.getText(this, "Al_leer_la_leyenda"), e);

                        }

                        ProjectMap pmap = ProjectFactory.createMap(file.getName());

                        pmap.setModel(layout);

                        pmap.getModel().setProjectMap(pmap);

                        p.addDocument(pmap);

                        PluginServices.getMDIManager().addWindow(layout);

                }

        }

        /**

         * Escribe el proyecto en XML.

         *

         * @param file Fichero.

         * @param p Proyecto.

         */

        public boolean writeProject(File file, Project p) {

                return writeProject(file, p, true);

        }

        /**

         * Escribe el proyecto en XML. Pero permite decidir si se

         * pide confirmaci?n para sobreescribir

         *

         * @param file Fichero.

         * @param p Proyecto.

         * @param askConfirmation boolean

         */

        public boolean writeProject(File file, Project p, boolean askConfirmation) {

                if( askConfirmation && file.exists()){

                        int resp = JOptionPane.showConfirmDialog(

                                        (Component) PluginServices.getMainFrame(),PluginServices.getText(this,"fichero_ya_existe_seguro_desea_guardarlo"),

                                        PluginServices.getText(this,"guardar"), JOptionPane.YES_NO_OPTION);

                        if (resp != JOptionPane.YES_OPTION) {

                                return false;

                        }

                }

                NotificationManager.addInfo(PluginServices.getText(this,"writinng_project")+ ": "+file.getName());

                // write it out as XML

                try {

                        fireBeforeSavingFileEvent(new SaveEvent(this, SaveEvent.BEFORE_SAVING, file));

            FileOutputStream fos = new FileOutputStream(file.getAbsolutePath());

            OutputStreamWriter writer = new OutputStreamWriter(fos, PROJECTENCODING);

                        Marshaller m = new Marshaller(writer);

                        m.setEncoding(PROJECTENCODING);

                        p.setName(file.getName());

                        // p.setPath(file.toString());

                        p.setModificationDate(DateFormat.getDateInstance().format(new Date()));

                        p.setModified(false);

                        XMLEntity xml = p.getXMLEntity();

                        xml.putProperty("followHeaderEncoding", true, false);

                        m.marshal(xml.getXmlTag());

                        fireAfterSavingFileEvent(new SaveEvent(this, SaveEvent.AFTER_SAVING, file));

                        PluginServices.getMainFrame().setTitle(file.getName());

                        setPath(file.toString());

                } catch (Exception e) {

                        JOptionPane.showMessageDialog(

                                        (Component) PluginServices.getMainFrame(),PluginServices.getText(this,"error_writing_project")+":\n-"

                                        + PluginServices.getText(this,"the_user_cannot_edit_the_project_because_it_has_not_write_permissions")+".",

                                        PluginServices.getText(this,"warning"), JOptionPane.OK_OPTION);

//                        NotificationManager.addError(PluginServices.getText(this,"error_writing_project")+ ": "+file.getName(), e);

                        return false;

                }

                NotificationManager.addInfo(PluginServices.getText(this,"wrote_project")+ ": "+file.getName());

                return true;

        }

        public Project readProject(String path) {

                BufferedReader reader =null;

                try {

                URL url=null;

                        url = new URL(path);

                        String encoding = XMLEncodingUtils.getEncoding(url.openStream());

                        InputStream is = url.openStream();

                        if (encoding!=null) {

                                Project proj=null;

                                try {

                                        reader = new BufferedReader(new InputStreamReader(is, encoding));

                                        proj=readProject(reader, true);

                                } catch (UnsupportedEncodingException e) {

                                        reader = new BufferedReader(new InputStreamReader(is));

                                        try {

                                                Project p=readProject(reader, false);

                                        } catch (UnsupportedEncodingException e1) {

                                                JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this, e1.getLocalizedMessage()));

                                                return null;

                                        }

                                }

                                ProjectExtension.setPath(path);

                                return proj;

                        }

                        else {

                                reader = new BufferedReader(new InputStreamReader(is));

                                Project p;

                                try {

                                        p = readProject(reader, false);

                                } catch (UnsupportedEncodingException e) {

                                        JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this, e.getLocalizedMessage()));

                                        return null;

                                }

                                ProjectExtension.setPath(path); //p.setPath(null);

                                return p;

                        }

                } catch (MalformedURLException e) {

                        File file=new File(path);

                        return readProject(file);

                } catch (IOException e) {

                        e.printStackTrace();

                        return null;

                }

        }

        /**

         * Lee del XML el proyecto.<br><br>

         *

         * Reads the XML of the project.<br>

         * It returns a project object holding all needed info that is not linked to the Project Dialog. <br>In case you want the project to be

         * linked to the window you must set this object to the extension:<br>

         *

         * <b>Example:</b><br>

         *

         * ...<br>

         * ...<br>

         * Project p = ProjectExtension.readProject(projectFile);<br>

         * ProjectExtension.setProject(p);

         * ...<br>

         * ...<br>

         * @param file Fichero.

         *

         * @return Project

         *

         */

        public Project readProject(File file) {

                File xmlFile = new File(file.getAbsolutePath());

                try {

                        String encoding = XMLEncodingUtils.getEncoding(new FileInputStream(xmlFile));

                        InputStreamReader reader=null;

                        if (encoding!=null) {

                                try {

                                        reader = new InputStreamReader(new FileInputStream(xmlFile), encoding);

                                        return readProject(reader, true);

                                } catch (UnsupportedEncodingException e) {

                                        reader = new InputStreamReader(new FileInputStream(xmlFile));

                                        try {

                                                return readProject(reader, false);

                                        } catch (UnsupportedEncodingException e1) {

                                                JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this, e1.getLocalizedMessage()));

                                                return null;

                                        }

                                }

                        }

                        else {

                                reader = new InputStreamReader(new FileInputStream(xmlFile));

                                try {

                                        return readProject(reader, false);

                                } catch (UnsupportedEncodingException e1) {

                                        JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this, e1.getLocalizedMessage()));

                                        return null;

                                }

                        }

                } catch (FileNotFoundException e) {

                        JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this, "fichero_incorrecto"));

                        return null;

                }

        }

        /**

         * Lee del XML el proyecto.<br><br>

         *

         * Reads the XML of the project.<br>

         * It returns a project object holding all needed info that is not linked to the Project Dialog. <br>In case you want the project to be

         * linked to the window you must set this object to the extension:<br>

         *

         * <b>Example:</b><br>

         *

         * ...<br>

         * ...<br>

         * Project p = ProjectExtension.readProject(projectFile);<br>

         * ProjectExtension.setProject(p);

         * ...<br>

         * ...<br>

         * @param reader File reader

         * @param encodingFollowed Whether the encoded specified in the xml header was followed

         * when creating the reader. If the property followHeaderEncoding is false or not set,

         * then the encoding should have not been used when creating the reader, so it must be

         * recreated.

         *

         * @return Project

         * @throws UnsupportedEncodingException

         *

         */

        public Project readProject(Reader reader, boolean encodingFollowed) throws UnsupportedEncodingException {

                Project proj = null;

                try {

                        XmlTag tag = (XmlTag) XmlTag.unmarshal(reader);

                        XMLEntity xml=new XMLEntity(tag);

                        String VERSION=xml.getStringProperty("VERSION");

                        NotificationManager.addInfo(PluginServices.getText(this,"openning_project")+ ": "+xml.getStringProperty("name"));

                        if (encodingFollowed) {

                                if (xml.contains("followHeaderEncoding")) {

                                        boolean useEncoding = xml.getBooleanProperty("followHeaderEncoding");

                                        if (!useEncoding) {

                                                throw new UnsupportedEncodingException("the encoding specified in the xml header is not safe");

                                        }

                                }

                                else {

                                        // Old projects didn't contain followHeaderEncoding and they were

                                        // not correctly encoded. We throw an exception now, and we'll try

                                        // to reopen the project

                                        // using the default system encoding.

                                        throw new UnsupportedEncodingException("the encoding specified in the xml header is not safe");

                                }

                        }

                        try {

                                // if ((VERSION!=null) && (VERSION.equals("0.5") || VERSION.equals("0.4") || (VERSION.indexOf("GISPLANET") != -1))){

                                if (VERSION != null) {

                                        proj = Project.createFromXML(xml);

                                }else{

                                        proj = Project.createFromXML03(new XMLEntity(tag));

                                }

                                NotificationManager.addInfo(PluginServices.getText(this,"opened_project")+ ": "+xml.getStringProperty("name"));

                                return proj;

                        } catch (OpenException e){

                                e.showError();

                                //NotificationManager.addInfo("Al leer el proyecto", e);

                        }

                }  catch (MarshalException e) {

                        PluginServices.getLogger().error(PluginServices.getText(this, "formato_incorrecto"),e);

                        JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this, "formato_incorrecto"));

                        //NotificationManager.addError("Al leer el proyecto", e);

                } catch (ValidationException e) {

                        PluginServices.getLogger().error(PluginServices.getText(this, "formato_incorrecto"),e);

                        JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this, "formato_incorrecto"));

                        //NotificationManager.addError("Al leer el proyecto", e);

                }

                NotificationManager.addInfo(PluginServices.getText(this,"error_openning_project"));

                return null;

        }

        /**

         * Devuelve el proyecto.

         *

         * @return Proyecto.

         */

        public Project getProject() {

                return p;

        }

        /**

         * @see com.iver.andami.plugins.IExtension#isEnabled()

         */

        public boolean isEnabled() {

                return true;

        }

        /**

         * @see com.iver.andami.plugins.IExtension#isVisible()

         */

        public boolean isVisible() {

                return true;

        }

        /**

         * Sets the project

         * @param p

         */

        public void setProject(Project p){

                getProjectFrame().setProject(p);

                this.p=p;

        }

        private void registerDocuments() {

                ProjectViewFactory.register();

                ProjectTableFactory.register();

                ProjectMapFactory.register();

        }

        private void initializeDocumentActionsExtensionPoint() {

                ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance();

                if (!extensionPoints.containsKey("DocumentActions_View")) {

                        extensionPoints.put(

                                new ExtensionPoint(

                                        "DocumentActions_View",

                                        "Context menu options of the view document list" +

                                                " in the project window "+

                                                "(register instances of " +

                                                "com.iver.cit.gvsig.project.AbstractDocumentContextMenuAction)"

                                )

                        );

                }

                if (!extensionPoints.containsKey("DocumentActions_Table")) {

                        extensionPoints.put(

                                new ExtensionPoint(

                                        "DocumentActions_Table",

                                        "Context menu options of the table document list" +

                                                " in the project window "+

                                                "(register instances of " +

                                                "com.iver.cit.gvsig.project.AbstractDocumentContextMenuAction)"

                                )

                        );

                }

                if (!extensionPoints.containsKey("DocumentActions_Map")) {

                        extensionPoints.put(

                                new ExtensionPoint(

                                        "DocumentActions_Map",

                                        "Context menu options of the map document list" +

                                                " in the project window "+

                                                "(register instances of " +

                                                "com.iver.cit.gvsig.project.AbstractDocumentContextMenuAction)"

                                )

                        );

                }

        }

        public static String getPath() {

                return projectPath;

        }

        public static void setPath(String path) {

                projectPath = path;

        }

        public IWindow getProjectWindow() {

                return getProjectFrame();

        }

        public IExtensionStatus getStatus() {

                return this;

        }

        public boolean hasUnsavedData() {

                return p.hasChanged();

        }

        public IUnsavedData[] getUnsavedData() {

                if (hasUnsavedData()) {

                        UnsavedProject data = new UnsavedProject(this);

                        IUnsavedData[] dataArray = {data};

                        return dataArray;

                }

                else

                        return null;

        }

        /**

         * Implements the IUnsavedData interface to show unsaved projects

         * in the Unsavad Data dialog.

         *

         * @author Cesar Martinez Izquierdo <cesar.martinez@iver.es>

         */

        public class UnsavedProject  extends UnsavedData {

                public UnsavedProject(IExtension extension) {

                        super(extension);

                }

                public String getDescription() {

                        if (getPath()==null) {

                                return PluginServices.getText(ProjectExtension.this, "Unnamed_new_gvsig_project_");

                        }

                        else {

                                return PluginServices.getText(ProjectExtension.this, "Modified_project_");

                        }

                }

                public String getResourceName() {

                        if (getPath()==null) {

                                return PluginServices.getText(ProjectExtension.this, "Unnamed");

                        }

                        else {

                                return getPath();

                        }

                }

                public boolean saveData() {

                        return guardar();

                }

                public ImageIcon getIcon() {

                        try {

                                URL imagePath = PluginServices.getPluginServices(ProjectExtension.this).getClassLoader().getResource("images/logoGVA.gif");

                                return new ImageIcon(imagePath);

                        }

                        catch (Exception ex) {}

                        return null;

                }

        }

        public IMonitorableTask[] getRunningProcesses() {

                // TODO Auto-generated method stub

                return null;

        }

        public boolean hasRunningProcesses() {

                // TODO Auto-generated method stub

                return false;

        }

    /**

     * Adds the specified before saving listener to receive "before saving file events" from

     * this component.

     * If l is null, no exception is thrown and no action is performed.

     *

     * @author Pablo Piqueras Bartolom? <pablo.piqueras@iver.es>

     *

     * @param    l the before saving listener.

     * @see      SaveEvent

     * @see      BeforeSavingListener

     * @see      #removeListener(BeforeSavingListener)

     * @see      #getBeforeSavingListeners

     */

    public synchronized void addListener(BeforeSavingListener l) {

        if (l == null) {

            return;

        }

        ExtensionPoints ePs = ((ExtensionPoints) ExtensionPointsSingleton.getInstance());

        if (ePs.get(BEFORE_SAVING_ID) == null) {

                ArrayList aL = new ArrayList();

                aL.add(l);

                ePs.add(BEFORE_SAVING_ID, "", aL);

                return;

        }

        ((ArrayList)((ExtensionPoint)ePs.get(BEFORE_SAVING_ID)).get("")).add(l);

    }

    /**

     * Adds the specified after saving listener to receive "after saving file events" from

     * this component.