示例#1
0
void ArkViewer::dialogClosed()
{
    KConfigGroup conf = KGlobal::config()->group("Viewer");
    saveDialogSize(conf);

    if (m_part) {
        KProgressDialog progressDialog
            (this, i18n("Closing preview"),
             i18n("Please wait while the preview is being closed..."));

        progressDialog.setMinimumDuration(500);
        progressDialog.setModal(true);
        progressDialog.setAllowCancel(false);
        progressDialog.progressBar()->setRange(0, 0);

        // #261785: this preview dialog is not modal, so we need to delete
        //          the previewed file ourselves when the dialog is closed;
        //          we used to remove it at the end of ArkViewer::view() when
        //          QDialog::exec() was called instead of QDialog::show().
        const QString previewedFilePath(m_part.data()->url().pathOrUrl());

        m_part.data()->closeUrl();

        if (!previewedFilePath.isEmpty()) {
            QFile::remove(previewedFilePath);
        }
    }
}
示例#2
0
文件: backup.cpp 项目: KrissN/basket
void BackupDialog::restore()
{
    // Get last backup folder:
    KConfig *config = KGlobal::config().data();
    KConfigGroup configGroup(config, "Backups");
    QString folder = configGroup.readEntry("lastFolder", QDir::homePath()) + "/";

    // Ask a file name to the user:
    QString filter = "*.tar.gz|" + i18n("Tar Archives Compressed by Gzip") + "\n*|" + i18n("All Files");
    QString path = KFileDialog::getOpenFileName(folder, filter, this, i18n("Open Basket Archive"));
    if (path.isEmpty()) // User has canceled
        return;

    // Before replacing the basket data folder with the backup content, we safely backup the current baskets to the home folder.
    // So if the backup is corrupted or something goes wrong while restoring (power cut...) the user will be able to restore the old working data:
    QString safetyPath = Backup::newSafetyFolder();
    FormatImporter copier;
    copier.moveFolder(Global::savesFolder(), safetyPath);

    // Add the README file for user to cancel a bad restoration:
    QString readmePath = safetyPath + i18n("README.txt");
    QFile file(readmePath);
    if (file.open(QIODevice::WriteOnly)) {
        QTextStream stream(&file);
        stream << i18n("This is a safety copy of your baskets like they were before you started to restore the backup %1.", KUrl(path).fileName()) + "\n\n"
        << i18n("If the restoration was a success and you restored what you wanted to restore, you can remove this folder.") + "\n\n"
        << i18n("If something went wrong during the restoration process, you can re-use this folder to store your baskets and nothing will be lost.") + "\n\n"
        << i18n("Choose \"Basket\" -> \"Backup & Restore...\" -> \"Use Another Existing Folder...\" and select that folder.") + "\n";
        file.close();
    }

    QString message =
        "<p><nobr>" + i18n("Restoring <b>%1</b>. Please wait...", KUrl(path).fileName()) + "</nobr></p><p>" +
        i18n("If something goes wrong during the restoration process, read the file <b>%1</b>.", readmePath);

    KProgressDialog *dialog = new KProgressDialog(0, i18n("Restore Baskets"), message);
    dialog->setModal(/*modal=*/true);
    dialog->setAllowCancel(false);
    dialog->setAutoClose(true);
    dialog->show();
    QProgressBar *progress = dialog->progressBar();
    progress->setRange(0, 0/*Busy/Undefined*/);
    progress->setValue(0);
    progress->setTextVisible(false);

    // Uncompress:
    RestoreThread thread(path, Global::savesFolder());
    thread.start();
    while (thread.isRunning()) {
        progress->setValue(progress->value() + 1); // Or else, the animation is not played!
        kapp->processEvents();
        usleep(300); // Not too long because if the restore process is finished, we wait for nothing
    }

    dialog->hide(); // The restore is finished, do not continue to show it while telling the user the application is going to be restarted
    delete dialog; // If we only hidden it, it reappeared just after having restored a small backup... Very strange.
    dialog = 0;    // This was annoying since it is modal and the "BasKet Note Pads is going to be restarted" message was not reachable.
    //kapp->processEvents();

    // Check for errors:
    if (!thread.success()) {
        // Restore the old baskets:
        QDir dir;
        dir.remove(readmePath);
        copier.moveFolder(safetyPath, Global::savesFolder());
        // Tell the user:
        KMessageBox::error(0, i18n("This archive is either not a backup of baskets or is corrupted. It cannot be imported. Your old baskets have been preserved instead."), i18n("Restore Error"));
        return;
    }

    // Note: The safety backup is not removed now because the code can has been wrong, somehow, or the user perhapse restored an older backup by error...
    //       The restore process will not be called very often (it is possible it will only be called once or twice arround the world during the next years).
    //       So it is rare enough to force the user to remove the safety folder, but keep him in control and let him safely recover from restoration errors.

    Backup::setFolderAndRestart(Global::savesFolder()/*No change*/, i18n("Your backup has been successfuly restored to <b>%1</b>. %2 is going to be restarted to take this change into account."));
}