diff options
Diffstat (limited to 'src/createinstancedialog.cpp')
| -rw-r--r-- | src/createinstancedialog.cpp | 240 |
1 files changed, 129 insertions, 111 deletions
diff --git a/src/createinstancedialog.cpp b/src/createinstancedialog.cpp index c2cdde49..f52d3ebd 100644 --- a/src/createinstancedialog.cpp +++ b/src/createinstancedialog.cpp @@ -10,6 +10,95 @@ using namespace MOBase; + +class Failed {}; + +class DirectoryCreator +{ +public: + DirectoryCreator(const DirectoryCreator&) = delete; + DirectoryCreator& operator=(const DirectoryCreator&) = delete; + + static std::unique_ptr<DirectoryCreator> create( + const QDir& target, std::function<void (QString)> log) + { + return std::unique_ptr<DirectoryCreator>(new DirectoryCreator(target, log)); + } + + ~DirectoryCreator() + { + rollback(); + } + + void commit() + { + m_created.clear(); + } + + void rollback() noexcept + { + try + { + for (auto itor=m_created.rbegin(); itor!=m_created.rend(); ++itor) { + const auto r = shell::DeleteDirectoryRecursive(*itor); + if (!r) { + m_logger(r.toString()); + } + } + + m_created.clear(); + } + catch(...) + { + // eat it + } + } + +private: + std::function<void (QString)> m_logger; + + DirectoryCreator(const QDir& target, std::function<void (QString)> log) + : m_logger(log) + { + try + { + const QString s = QDir::toNativeSeparators(target.absolutePath()); + const QStringList cs = s.split("\\"); + + if (cs.empty()) { + return; + } + + QDir d(cs[0]); + + for (int i=1; i<cs.size(); ++i) { + d = d.filePath(cs[i]); + + if (!d.exists()) { + m_logger(QObject::tr("Creating %1").arg(d.path())); + const auto r = shell::CreateDirectories(d); + + if (!r) { + m_logger(r.toString()); + throw Failed(); + } + + m_created.push_back(d); + } + } + } + catch(...) + { + rollback(); + throw; + } + } + +private: + std::vector<QDir> m_created; +}; + + CreateInstanceDialog::CreateInstanceDialog( const PluginContainer& pc, Settings* s, QWidget *parent) : QDialog(parent), ui(new Ui::CreateInstanceDialog), m_pc(pc), m_settings(s), @@ -121,6 +210,7 @@ void CreateInstanceDialog::changePage(int d) // first/last page if (d > 0) { + // forwards for (;;) { ++i; @@ -133,6 +223,7 @@ void CreateInstanceDialog::changePage(int d) } } } else { + // backwards for (;;) { if (i == 0) { break; @@ -151,94 +242,6 @@ void CreateInstanceDialog::changePage(int d) } } - -class Failed {}; - -class DirectoryCreator -{ -public: - DirectoryCreator(const DirectoryCreator&) = delete; - DirectoryCreator& operator=(const DirectoryCreator&) = delete; - - static std::unique_ptr<DirectoryCreator> create( - const QDir& target, std::function<void (QString)> log) - { - return std::unique_ptr<DirectoryCreator>(new DirectoryCreator(target, log)); - } - - ~DirectoryCreator() - { - rollback(); - } - - void commit() - { - m_created.clear(); - } - - void rollback() noexcept - { - try - { - for (auto itor=m_created.rbegin(); itor!=m_created.rend(); ++itor) { - const auto r = shell::DeleteDirectoryRecursive(*itor); - if (!r) { - m_logger(r.toString()); - } - } - - m_created.clear(); - } - catch(...) - { - // eat it - } - } - -private: - std::function<void (QString)> m_logger; - - DirectoryCreator(const QDir& target, std::function<void (QString)> log) - : m_logger(log) - { - try - { - const QString s = QDir::toNativeSeparators(target.absolutePath()); - const QStringList cs = s.split("\\"); - - if (cs.empty()) { - return; - } - - QDir d(cs[0]); - - for (int i=1; i<cs.size(); ++i) { - d = d.filePath(cs[i]); - - if (!d.exists()) { - m_logger(QObject::tr("Creating %1").arg(d.path())); - const auto r = shell::CreateDirectories(d); - - if (!r) { - m_logger(r.toString()); - throw Failed(); - } - - m_created.push_back(d); - } - } - } - catch(...) - { - rollback(); - throw; - } - } - -private: - std::vector<QDir> m_created; -}; - void CreateInstanceDialog::finish() { ui->creationLog->clear(); @@ -260,6 +263,8 @@ void CreateInstanceDialog::finish() { std::vector<std::unique_ptr<DirectoryCreator>> dirs; + // creating all these directories; if any of them fail, this throws and + // any newly created directory will be deleted in DirectoryCreator's dtor dirs.push_back(createDir(ci.dataPath)); dirs.push_back(createDir(ci.paths.base)); dirs.push_back(createDir(PathSettings::resolve(ci.paths.downloads, ci.paths.base))); @@ -268,6 +273,7 @@ void CreateInstanceDialog::finish() dirs.push_back(createDir(PathSettings::resolve(ci.paths.overwrite, ci.paths.base))); + // creating ini Settings s(ci.iniPath); s.game().setName(ci.game->gameName()); s.game().setDirectory(ci.gameLocation); @@ -301,7 +307,9 @@ void CreateInstanceDialog::finish() logCreation(tr("Writing %1...").arg(ci.iniPath)); + // writing ini const auto r = s.sync(); + if (r != QSettings::NoError) { switch (r) { @@ -321,16 +329,20 @@ void CreateInstanceDialog::finish() throw Failed(); } + + // committing all the directories so they don't get deleted for (auto& d : dirs) { d->commit(); } logCreation(tr("Done.")); + // remember settings if (ui->hideIntro->isChecked()) { GlobalSettings::setHideCreateInstanceIntro(true); } + // launch the new instance if (ui->launch->isChecked()) { InstanceManager::singleton().setCurrentInstance(ci.instanceName); @@ -338,15 +350,16 @@ void CreateInstanceDialog::finish() // don't restart without settings, it happens on startup when there are // no instances ExitModOrganizer(Exit::Restart); + m_switching = true; } - - m_switching = true; } + // close the dialog accept(); } catch(Failed&) { + // if Failed was thrown, all the directories have been deleted } } @@ -418,27 +431,6 @@ bool CreateInstanceDialog::switching() const return m_switching; } -void fixVarDir(QString& path, const std::wstring& defaultDir) -{ - if (path.isEmpty()) { - path = cid::makeDefaultPath(defaultDir); - } else if (!path.contains(PathSettings::BaseDirVariable)) { - path = QDir(path).absolutePath(); - } - - path = QDir::toNativeSeparators(path); -} - -void fixDirPath(QString& path) -{ - path = QDir::toNativeSeparators(QDir(path).absolutePath()); -} - -void fixFilePath(QString& path) -{ - path = QDir::toNativeSeparators(QFileInfo(path).absolutePath()); -} - CreateInstanceDialog::CreationInfo CreateInstanceDialog::rawCreationInfo() const { @@ -468,6 +460,32 @@ CreateInstanceDialog::rawCreationInfo() const CreateInstanceDialog::CreationInfo CreateInstanceDialog::creationInfo() const { + auto fixVarDir = [](QString& path, const std::wstring& defaultDir) + { + // if the path is empty, it wasn't filled by the user, probably because + // the "Advanced" checkbox wasn't checked, so use the base dir variable + // with the default dir + + if (path.isEmpty()) { + path = cid::makeDefaultPath(defaultDir); + } else if (!path.contains(PathSettings::BaseDirVariable)) { + path = QDir(path).absolutePath(); + } + + path = QDir::toNativeSeparators(path); + }; + + auto fixDirPath = [](QString& path) + { + path = QDir::toNativeSeparators(QDir(path).absolutePath()); + }; + + auto fixFilePath = [](QString& path) + { + path = QDir::toNativeSeparators(QFileInfo(path).absolutePath()); + }; + + auto ci = rawCreationInfo(); fixDirPath(ci.paths.base); |