Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.installer.swing.impl.execution.wizard;

import java.awt.Component;

import java.awt.GridBagConstraints;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.ArrayList;

import java.util.List;

import javax.swing.JButton;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.SwingUtilities;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.gui.beans.wizard.WizardPanelWithLogo;

import org.gvsig.gui.beans.wizard.panel.NotContinueWizardException;

import org.gvsig.gui.beans.wizard.panel.OptionPanel;

import org.gvsig.i18n.Messages;

import org.gvsig.installer.lib.api.PackageInfo;

import org.gvsig.installer.lib.api.execution.InstallPackageService;

import org.gvsig.installer.swing.api.SwingInstallerLocator;

import org.gvsig.installer.swing.api.execution.AbstractInstallPackageWizard;

import org.gvsig.installer.swing.impl.DefaultSwingInstallerManager;

import org.gvsig.installer.swing.impl.execution.DefaultInstallPackageWizard;

import org.gvsig.installer.swing.impl.panel.DefaultProgressPanel;

import org.gvsig.tools.task.AbstractMonitorableTask;

import org.gvsig.tools.task.SimpleTaskStatus;

/**

 * @author gvSIG Team

 * @version $Id$

 * 

 */

public class DownloadProgressWizard extends DefaultProgressPanel implements

                OptionPanel {

        private static final long serialVersionUID = -7064334977678611609L;

        private static Logger logger = LoggerFactory

                        .getLogger(DownloadProgressWizard.class);

        private AbstractInstallPackageWizard abstractInstallPackageWizard;

        // private abstractInstallPackageWizard abstractInstallPackageWizard;

        public JButton startDownload;

        private int direccion = WizardPanelWithLogo.ACTION_NEXT;

        private DefaultSwingInstallerManager swingInstallerManager;

        public DownloadProgressWizard(

                        AbstractInstallPackageWizard abstractInstallPackageWizard) {

                super();

                this.abstractInstallPackageWizard = abstractInstallPackageWizard;

        }

        @Override

        protected void initComponents() {

                super.initComponents();

                final DownloadProgressWizard wizard = this;

                swingInstallerManager = (DefaultSwingInstallerManager) SwingInstallerLocator

                                .getSwingInstallerManager();

                startDownload = new JButton(swingInstallerManager

                                .getText("_start_download"));

                java.awt.GridBagConstraints gridBagConstraints;

                gridBagConstraints = new GridBagConstraints();

                gridBagConstraints.gridx = 0;

                gridBagConstraints.gridy = 3;

                gridBagConstraints.anchor = GridBagConstraints.EAST;

                gridBagConstraints.insets = new Insets(5, 2, 2, 2);

                add(startDownload, gridBagConstraints);

                startDownload.addActionListener(new ActionListener() {

                        public void actionPerformed(ActionEvent e) {

                                UpdatePanel task = new UpdatePanel(wizard);

                                wizard.abstractInstallPackageWizard.addCancellableTask(task);

                                bind(task.getTaskStatus());

                                task.start();

                        }

                });

        }

        public JPanel getJPanel() {

                return this;

        }

        public String getPanelTitle() {

                return swingInstallerManager.getText("_download_progress");

        }

        public void lastPanel() {

                abstractInstallPackageWizard.setFinishButtonVisible(false);

                abstractInstallPackageWizard.setCancelButtonEnabled(true);

                direccion = WizardPanelWithLogo.ACTION_NEXT;

        }

        public void nextPanel() throws NotContinueWizardException {

                direccion = WizardPanelWithLogo.ACTION_PREVIOUS;

        }

        public void updatePanel() {

                boolean thereIsDownloablePackage = false;

                InstallPackageService service = abstractInstallPackageWizard

                                .getInstallerExecutionService();

                service.getPackageCount();

                for (int i = 0; i < abstractInstallPackageWizard

                                .getInstallersToInstall().size(); i++) {

                        if (abstractInstallPackageWizard.getInstallersToInstall().get(i)

                                        .getDownloadURL() != null) {

                                thereIsDownloablePackage = true;

                                break;

                        }

                }

                if (thereIsDownloablePackage) {

                        this.abstractInstallPackageWizard.setNextButtonEnabled(false);

                        this.startDownload.setEnabled(true);

                } else {

                        ((DefaultInstallPackageWizard) abstractInstallPackageWizard)

                                        .doAction(direccion);

                }

        }

        private String getText(String key) {

                return this.swingInstallerManager.getText(key);

        }

        private static class UpdatePanel extends AbstractMonitorableTask {

                private final DownloadProgressWizard panel;

                public UpdatePanel(DownloadProgressWizard panel) {

            super(panel.getText("_downloading_files"));

                        // super(panel.getText("_downloading"));

                        this.panel = panel;

                }

                @Override

        public synchronized void run() {

            SimpleTaskStatus taskStatus =

                (SimpleTaskStatus) this.getTaskStatus();

            List<String> not_downloaded = new ArrayList<String>();

            try {

                List<PackageInfo> installersToInstall =

                    this.panel.abstractInstallPackageWizard

                        .getInstallersToInstall();

                this.panel.startDownload.setEnabled(false);

                this.panel.abstractInstallPackageWizard

                    .setBackButtonEnabled(false);

                InstallPackageService installerService =

                    this.panel.abstractInstallPackageWizard

                        .getInstallerExecutionService();

                for (int i = 0; i < installersToInstall.size(); i++) {

                    taskStatus.setCurValue(0);

                    PackageInfo installerInfo = installersToInstall.get(i);

                    taskStatus.message(installerInfo.getName() + " " + (i + 1)

                        + " / " + installersToInstall.size());

                    if (installerInfo.getDownloadURL() != null) {

                        try {

                            installerService.downloadPackage(installerInfo,

                                taskStatus);

                        } catch (Exception e) {

                            not_downloaded.add(installerInfo.getName());

                            String msg =

                                panel.swingInstallerManager

                                    .getText("_Cant_download_package_files")

                                    + " " + installerInfo.getName();

                            logger.info(msg, e);

                        }

                    }

                    if (not_downloaded.size() > 0) {

                        break;

                    }

                }

                this.panel.abstractInstallPackageWizard

                    .setBackButtonEnabled(true);

            } finally {

                if (not_downloaded.size() == 0) {

                    // Set the finished text

                    taskStatus.message(panel.getText("_finished"));

                    taskStatus.terminate();

                    taskStatus.remove();

                    this.panel.abstractInstallPackageWizard

                        .setNextButtonEnabled(true);

                } else {

                    taskStatus.message(panel.getText("_finished_Some_files_not_downloaded"));

                    taskStatus.terminate();

                    taskStatus.remove();

                    this.panel.abstractInstallPackageWizard

                        .setNextButtonEnabled(false);

                    showNotDownloaded(this.panel, not_downloaded);

                }            

            }

        }

        }

           private static synchronized void showNotDownloaded(

               final Component parentPanel, final List<String> names) {

               int sz = names.size();

           String list_str = ""; 

               for (int i=0; i<sz; i++) {

                   list_str = list_str + "\n - " + names.get(i);

               }

               list_str = Messages.getText("_These_packages_not_downloaded")

                   + ":\n" + list_str + "\n";

               final String list_str_copy = list_str; 

               if (!SwingUtilities.isEventDispatchThread()) {

                    try {

                        SwingUtilities.invokeLater(new Runnable() {

                            public void run() {

                                JOptionPane.showMessageDialog(

                                    parentPanel, list_str_copy,

                                    Messages.getText("_Download_error"),

                                    JOptionPane.ERROR_MESSAGE);

                            }

                        });

                    } catch (Throwable e) {

                        logger.info("Error while showing message dialog. ", e);

                    }

                } else {

                    JOptionPane.showMessageDialog(

                        parentPanel, list_str, Messages.getText("_Download_error"),

                        JOptionPane.ERROR_MESSAGE);

                }

            }

        private static synchronized int showOptionDialog(

            final Component parentComponent,

            final String message,

            final String title,

            final int optionType,

            final int messageType) {

        if (!SwingUtilities.isEventDispatchThread()) {

            try {

                final int[] resp = new int[1];

                SwingUtilities.invokeAndWait(new Runnable() {

                    public void run() {

                        resp[0] = showOptionDialog(

                            parentComponent, message, title, optionType, messageType);

                    }

                });

                return resp[0];

            } catch (Throwable e) {

                logger.info("Error while showing message dialog. ", e);

            }

        }

            return JOptionPane.showOptionDialog(

                parentComponent, message, title,

                optionType, messageType, null, null, null);

        }

}