Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3 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.

 *

 * For any additional information, do not hesitate to contact us at info AT

 * gvsig.com, or visit our website www.gvsig.com.

 */

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

import java.util.ArrayList;

import java.util.List;

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.SwingInstallerManager;

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

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

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

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

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.task.AbstractMonitorableTask;

import org.gvsig.tools.task.SimpleTaskStatus;

/**

 * @author gvSIG Team

 * @version $Id$

 *

 */

public class DownloadProgressWizardPage extends DefaultProgressPanel implements

        OptionPanel {

    private static final long serialVersionUID = -7064334977678611609L;

    private static final Logger logger = LoggerFactory.getLogger(DownloadProgressWizardPage.class);

    private final InstallWizardPanel_ext wizardPanel;

    public DownloadProgressWizardPage(InstallWizardPanel_ext wizardPanel) {

        super();

        this.wizardPanel = wizardPanel;

    }

    @Override

    public JPanel getJPanel() {

        return this;

    }

    @Override

    public String getPanelTitle() {

        return wizardPanel.getTranslation("_download_progress");

    }

    @Override

    public void lastPanel() {

        wizardPanel.setFinishButtonEnabled(false);

        wizardPanel.setCancelButtonEnabled(true);

    }

    @Override

    public void nextPanel() throws NotContinueWizardException {

    }

    @Override

    public void updatePanel() {

        if( wizardPanel.getDirection() == WizardPanelWithLogo.ACTION_PREVIOUS ) {

            wizardPanel.skip();

            return;

        }

        boolean AreTherePackagesToDownload = false;

        this.wizardPanel.setNextButtonEnabled(false);

        this.wizardPanel.setBackButtonEnabled(false);

        this.wizardPanel.setFinishButtonEnabled(false);

        InstallPackageService service = wizardPanel.getInstallerExecutionService();

        service.getPackageCount();

        List<PackageInfo> packagesToInstall = wizardPanel.getPackagesToInstall();

        for (PackageInfo packageToInstall : packagesToInstall) {

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

                AreTherePackagesToDownload = true;

                break;

            }

        }

        if (!AreTherePackagesToDownload) {

            wizardPanel.skip();

        }

        UpdatePanel task = new UpdatePanel(this);

        wizardPanel.addCancellableTask(task);

        bind(task.getTaskStatus());

        task.setDaemon(true);

        task.start();

    }

    private String getText(String key) {

        return this.wizardPanel.getTranslation(key);

    }

    private static class UpdatePanel extends AbstractMonitorableTask {

        private final DownloadProgressWizardPage panel;

        public UpdatePanel(DownloadProgressWizardPage panel) {

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

            this.panel = panel;

        }

        @Override

        public synchronized void run() {

            SimpleTaskStatus taskStatus = (SimpleTaskStatus) this.getTaskStatus();

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

            try {

                List<PackageInfo> packagesToInstall = this.panel.wizardPanel.getPackagesToInstall();

                InstallPackageService installerService = this.panel.wizardPanel.getInstallerExecutionService();

                taskStatus.setRangeOfValues(0, packagesToInstall.size());

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

                    taskStatus.setCurValue(i);

                    PackageInfo packageInfo = packagesToInstall.get(i);

                    taskStatus.message(packageInfo.getName());

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

                        try {

                            installerService.downloadPackage(

                                    packageInfo,

                                    taskStatus

                            );

                        } catch (Exception e) {

                            not_downloaded.add(packageInfo.getName());

                            logger.info("Can't download package '"+packageInfo.getName()+"'.", e);

                        }

                    }

                    if (not_downloaded.size() > 0) {

                        break;

                    }

                }

                SwingUtilities.invokeAndWait(new Runnable() {

                    @Override

                    public void run() {

                        if (not_downloaded.isEmpty()) {

                            panel.wizardPanel.setNextButtonEnabled(true);

                            panel.wizardPanel.doAction(WizardPanelWithLogo.ACTION_NEXT);

                        } else {

                            panel.wizardPanel.setNextButtonEnabled(false);

                        }

                        panel.wizardPanel.setBackButtonEnabled(true);

                    }

                });                

            } catch(Exception ex) {

                logger.warn("Problems downloading packages.", ex);

                ToolsSwingLocator.getThreadSafeDialogsManager().messageDialog(

                        panel.getText("_Cant_download_packages"), 

                        panel.getText("_Warning"), 

                        JOptionPane.WARNING_MESSAGE

                );

            } finally {

                if (not_downloaded.isEmpty()) {

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

                } else {

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

                    showNotDownloaded(not_downloaded);

                }

                taskStatus.terminate();

                taskStatus.remove();

            }

        }

    }

    private static synchronized void showNotDownloaded(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";

        ToolsSwingLocator.getThreadSafeDialogsManager().messageDialog(

                list_str, 

                Messages.getText("_Warning"), 

                JOptionPane.WARNING_MESSAGE

        );

    }

}