Method update

src/commonmodels.cpp:14–36

CommonModels::~CommonModels() = default;

void CommonModels::update(const QString &tessdataPath,
                          const QString &translatorPath)
{
  {
    auto names = Tesseract::availableLanguageNames(tessdataPath);
    std::sort(names.begin(), names.end());
    sourceLanguageModel_->setStringList(names);
  }

  {
    translators_ = Translator::availableTranslators(translatorPath);
    std::sort(translators_.begin(), translators_.end());
  }

  if (targetLanguageModel_->rowCount() > 0)
    return;

  {
    auto names = Translator::availableLanguageNames();
    std::sort(names.begin(), names.end());
    targetLanguageModel_->setStringList(names);
  }
}

QStringListModel *CommonModels::sourceLanguageModel() const
{