int KST::vectorToFile(KstVectorPtr v, QFile *f) {
int rc = 0;
#define BSIZE 128
char buf[BSIZE];
int _size = v->length();
double *_v = v->value();
register int modval;
KProgressDialog *kpd = new KProgressDialog(0L, "vector save", i18n("Saving Vector"), i18n("Saving vector %1...").arg(v->tagName()));
kpd->setAllowCancel(false);
kpd->progressBar()->setTotalSteps(_size);
kpd->show();
modval = QMAX(_size/100, 100);
for (int i = 0; i < _size; i++) {
int l = snprintf(buf, BSIZE, "%d %g\n", i, _v[i]);
f->writeBlock(buf, l);
if (i % 100 == 0) {
kpd->progressBar()->setProgress(i);
kapp->processEvents();
}
}
kpd->progressBar()->setProgress(_size);
delete kpd;
#undef BSIZE
return rc;
}
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."));
}
QByteArray KstViewObjectImageDrag::encodedData(const char *mimeType) const {
if (!_mimeTypes.contains(QString::fromLatin1(mimeType))) {
return QByteArray();
}
QRect geom(0, 0, 0, 0);
for (KstViewObjectList::ConstIterator i = _objects.begin(); i != _objects.end(); ++i) {
geom = geom.unite((*i)->geometry());
}
QPixmap pm;
pm.resize(geom.size());
pm.fill();
int prog = 0;
bool cancelled = false;
KstPainter p(KstPainter::P_EXPORT);
p.begin(&pm);
p.setClipping(true);
KProgressDialog *dlg = new KProgressDialog(0, 0, QString::null, i18n("Generating and storing images of objects..."), true);
dlg->setAllowCancel(true);
dlg->progressBar()->setTotalSteps(_objects.count());
dlg->progressBar()->setValue(prog);
dlg->show();
for (KstViewObjectList::Iterator i = _objects.begin(); i != _objects.end(); ++i) {
p.setClipRect((*i)->geometry());
p.setViewport((*i)->geometry());
(*i)->paint(p, QRegion());
if (dlg->wasCancelled()) {
cancelled = true;
break;
}
dlg->progressBar()->setValue(++prog);
kapp->eventLoop()->processEvents(QEventLoop::ExcludeSocketNotifiers);
}
p.end();
delete dlg;
if (cancelled) {
return QByteArray();
}
QByteArray rc;
#if QT_VERSION < 0x030200
KTempFile tf;
pm.save(tf.name(), KImageIO::typeForMime(mimeType).latin1());
tf.close();
QFile f(tf.name());
if (f.open(IO_ReadOnly)) {
rc = f.readAll();
f.close();
}
QFile::remove(tf.name());
#else
QDataStream ds(rc, IO_WriteOnly);
pm.save(ds.device(), KImageIO::typeForMime(mimeType).latin1());
#endif
return rc;
}