bool Score::saveCompressedFile(QFileInfo& info, bool onlySelection)
{
QFile fp(info.filePath());
if (!fp.open(QIODevice::WriteOnly)) {
MScore::lastError = tr("Open File\n%1\nfailed: %2").arg(info.filePath(), strerror(errno));
return false;
}
return saveCompressedFile(&fp, info, onlySelection);
}
void Score::saveCompressedFile(QFileInfo& info, bool onlySelection)
{
QFile fp(info.filePath());
if (!fp.open(QIODevice::WriteOnly)) {
QString s = tr("Open File\n%1\nfailed: ")
+ QString(strerror(errno));
throw(s.arg(info.filePath()));
}
saveCompressedFile(&fp, info, onlySelection);
fp.close();
}
bool Score::saveFile()
{
QString suffix = info.suffix();
if (info.exists() && !info.isWritable()) {
MScore::lastError = tr("The following file is locked: \n%1 \n\nTry saving to a different location.").arg(info.filePath());
return false;
}
// if file was already saved in this session
// save but don't overwrite backup again
if (saved()) {
try {
if (suffix == "mscx")
saveFile(info);
else
saveCompressedFile(info, false);
}
catch (QString s) {
MScore::lastError = s;
return false;
}
undo()->setClean();
info.refresh();
update();
return true;
}
//
// step 1
// save into temporary file to prevent partially overwriting
// the original file in case of "disc full"
//
QString tempName = info.filePath() + QString(".temp");
QFile temp(tempName);
if (!temp.open(QIODevice::WriteOnly)) {
MScore::lastError = tr("Open Temp File\n%1\nfailed: %2").arg(tempName).arg(QString(strerror(errno)));
return false;
}
try {
if (suffix == "mscx")
saveFile(&temp, false);
else
saveCompressedFile(&temp, info, false);
}
catch (QString s) {
MScore::lastError = s;
return false;
}
if (temp.error() != QFile::NoError) {
MScore::lastError = tr("MuseScore: Save File failed: %1").arg(temp.errorString());
temp.close();
return false;
}
temp.close();
//
// step 2
// remove old backup file if exists
//
QDir dir(info.path());
QString backupName = QString(".") + info.fileName() + QString(",");
if (dir.exists(backupName)) {
if (!dir.remove(backupName)) {
// if (!MScore::noGui)
// QMessageBox::critical(0, tr("MuseScore: Save File"),
// tr("Removing old backup file ") + backupName + tr(" failed"));
}
}
//
// step 3
// rename old file into backup
//
QString name(info.filePath());
if (dir.exists(name)) {
if (!dir.rename(name, backupName)) {
// if (!MScore::noGui)
// QMessageBox::critical(0, tr("MuseScore: Save File"),
// tr("Renaming old file <")
// + name + tr("> to backup <") + backupName + tr("> failed"));
}
}
#ifdef Q_OS_WIN
QFileInfo fileBackup(dir, backupName);
QString backupNativePath = QDir::toNativeSeparators(fileBackup.absoluteFilePath());
SetFileAttributes((LPCTSTR)backupNativePath.toLocal8Bit(), FILE_ATTRIBUTE_HIDDEN);
#endif
//
// step 4
// rename temp name into file name
//
if (!QFile::rename(tempName, name)) {
MScore::lastError = tr("Renaming temp. file <%1> to <%2> failed:\n%3").arg(tempName).arg(name).arg(QString(strerror(errno)));
return false;
}
// make file readable by all
QFile::setPermissions(name, QFile::ReadOwner | QFile::WriteOwner | QFile::ReadUser
| QFile::ReadGroup | QFile::ReadOther);
undo()->setClean();
setSaved(true);
info.refresh();
update();
return true;
}