Application: gvSIG desktop

package com.iver.cit.gvsig;

import java.awt.Component;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.FileWriter;

import java.text.DateFormat;

import java.util.ArrayList;

import java.util.Date;

import javax.swing.JFileChooser;

import javax.swing.JOptionPane;

import org.exolab.castor.xml.MarshalException;

import org.exolab.castor.xml.Marshaller;

import org.exolab.castor.xml.ValidationException;

import com.iver.andami.PluginServices;

import com.iver.andami.plugins.Extension;

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

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

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

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

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

import com.iver.utiles.GenericFileFilter;

import com.iver.utiles.XMLEntity;

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

 */

public class ProjectExtension implements Extension {

    private ArrayList tableExtensions = new ArrayList();

    private ProjectWindow projectFrame;

    private Project p;

        private boolean modified = false;

    /**

     * @see com.iver.mdiApp.plugins.Extension#inicializar()

     */

    public void inicializar() {

        p = ProjectFactory.createProject();

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

        p.setModified(false);

        projectFrame = new ProjectWindow(this);

        projectFrame.setProject(p);

        showProjectWindow();

        PluginServices.getMainFrame().setTitle("gvSIG: " + PluginServices.getText(this,

                                                                         "sin_titulo"));

    }

        public void showProjectWindow(){

                PluginServices.getMDIManager().addView(projectFrame);

        }

        private void guardar(){

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

                        JFileChooser jfc = new JFileChooser();

                        jfc.addChoosableFileFilter(new GenericFileFilter("xml", "tipo_fichero_proyecto"));

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

                                escribirProyecto(jfc.getSelectedFile(), p);

                        }

                } else {

                        escribirProyecto(new File(p.getPath()), p);

                }

        }

        private boolean modificado(){

                if (p.isModified()) {

                        int res = JOptionPane.showConfirmDialog((Component) PluginServices.getMainFrame(),

                                        PluginServices.getText(this, "guardar_cambios"),

                                        PluginServices.getText(this, "nuevo_proyecto"),

                                        JOptionPane.YES_NO_CANCEL_OPTION,

                                        JOptionPane.INFORMATION_MESSAGE);

                        if (res == JOptionPane.YES_OPTION) {

                                guardar();

                        } else if (res == JOptionPane.CANCEL_OPTION) {

                                return false;

                        }

                }

                return true;

        }

    /**

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

     */

    public void execute(String actionCommand) {

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

                    //Si est? modificado se pregunta si se quiere guardar el anterior

                                if (!modificado()) return;

                                PluginServices.getMDIManager().closeAllViews();

                p = ProjectFactory.createProject();

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

                p.setModified(false);

                projectFrame.setProject(p);

                showProjectWindow();

                PluginServices.getMainFrame().setTitle("gvSIG: " + PluginServices.getText(this,

                                 "sin_titulo"));

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

                                //Si est? modificado se pregunta si se quiere guardar el anterior

                                if (!modificado()) return;

                                JFileChooser jfc = new JFileChooser();

                                jfc.addChoosableFileFilter(new GenericFileFilter("xml", "tipo_fichero_proyecto"));

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

                                        PluginServices.getMDIManager().closeAllViews();

                        Project o = leerProyecto(jfc.getSelectedFile());

                        if (o != null){

                                                p = o; 

                        }

                        projectFrame.setProject(p);

                        projectFrame.refreshControls();

                        showProjectWindow();

                                }

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

                    guardar();

            }

    }

    private void escribirProyecto(File file, Project p){

            p.setPath(file.toString());

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

            p.setModified(false);

            // write it out as XML

            try {

                    FileWriter writer = new FileWriter(file.getAbsolutePath());

                    Marshaller m = new Marshaller(writer);

                    m.setEncoding("ISO-8859-1");

                    m.marshal(p.getXMLEntity().getXmlTag());

            } catch (Exception e) {

                System.out.println("Exception marshal Proyecto " + e);

            }

            PluginServices.getMainFrame().setTitle("gvSIG: " + file.getName());

            projectFrame.refreshControls();

    }

    /**

     * @see com.iver.mdiApp.FileExtension#writeFile(java.io.File)

     */

    public Project leerProyecto(File file) {

            Project proj = null;

                try {

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

                 FileReader reader;

                                reader = new FileReader(xmlFile);

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

                        p=Project.createFromXML(new XMLEntity(tag));

                        } catch (FileNotFoundException e) {

                        } catch (MarshalException e) {

                        } catch (ValidationException e) {

                        } catch (XMLException e) {

                        } catch (DriverException e) {

                        }

        return proj;

    }

    /**

         * @return

         */

        public Project getProject() {

                return p;

        }

        /**

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

         */

        public boolean isEnabled() {

                return true;

        }

        /**

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

         */

        public boolean isVisible() {

                return true;

        }

}