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.GridBagConstraints;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.List;

import javax.swing.JButton;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

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.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"));

                        this.panel = panel;

                }

                @Override

                public synchronized void run() {

                        List<PackageInfo> installersToInstall = this.panel.abstractInstallPackageWizard

                                        .getInstallersToInstall();

                        this.panel.startDownload.setEnabled(false);

                        this.panel.abstractInstallPackageWizard.setBackButtonEnabled(false);

                        InstallPackageService installerService = this.panel.abstractInstallPackageWizard

                                        .getInstallerExecutionService();

                        SimpleTaskStatus taskStatus = (SimpleTaskStatus) this

                                        .getTaskStatus();

                        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) {

                                                String msg = panel.swingInstallerManager

                                                                .getText("_Cant_download_package_files")

                                                                + " " + installerInfo.getName();

                                                logger.info(msg, e);

                                                int resp = JOptionPane.showOptionDialog(null, msg

                                                                + "\n"

                                                                + panel.swingInstallerManager

                                                                                .getText("_do_you_want_to_continue"),

                                                                panel.swingInstallerManager

                                                                                .getText("_Download_error"),

                                                                JOptionPane.YES_NO_OPTION,

                                                                JOptionPane.ERROR_MESSAGE, null, null, null);

                                                if (resp == JOptionPane.NO_OPTION) {

                                                        taskStatus.cancelRequest();

                                                }

                                        }

                                }

                                if (taskStatus.isCancellationRequested()) {

                                        break;

                                }

                        }

                        // Set the finished text

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

                        taskStatus.terminate();

                        taskStatus.remove();

                        if (!taskStatus.isCancellationRequested()) {

                                this.panel.abstractInstallPackageWizard

                                                .setNextButtonEnabled(true);

                        }

                        this.panel.abstractInstallPackageWizard.setBackButtonEnabled(true);

                }

        }

}