LanguageLoader.h

gehe zur Dokumentation dieser Datei

/*
 * \brief Loads translation files for different languages.
 *
 * \copyright Copyright (c) 2014-2021 Governikus GmbH & Co. KG, Germany
 */
 
#pragma once
 
#include <QLocale>
#include <QPointer>
#include <QSharedPointer>
#include <QTranslator>
#include <QVector>
 
class test_LanguageLoader;
class test_ProviderParser;
class test_ProviderConfigurationParser;
 
namespace governikus
{
 
class LanguageLoader
{
    private:
        friend class ::test_LanguageLoader;
        friend class ::test_ProviderConfigurationParser;
        static const QLocale::Language mFallbackLanguage;
        static QLocale mDefaultLanguage;
 
        QString mPath;
        QVector<QSharedPointer<QTranslator>> mTranslatorList;
        const QStringList mComponentList;
        QLocale mUsedLocale;
 
        Q_DISABLE_COPY(LanguageLoader)
 
        bool loadTranslationFiles(const QLocale& pLocale);
        QSharedPointer<QTranslator> createTranslator(const QLocale& pLocale, const QString& pComponent);
 
    protected:
        LanguageLoader();
        ~LanguageLoader();
 
    public:
        static const QLocale& getDefaultLanguage();
        static void setDefaultLanguage(const QLocale& pLocale);
        static LanguageLoader& getInstance();
        static QString getLocalCode(const QLocale& pLocale = getInstance().getUsedLocale());
 
#ifndef QT_NO_DEBUG
        [[nodiscard]] const QString& getPath() const;
        void setPath(const QString& pPath);
#endif
 
        void load(const QLocale& pLocale = getDefaultLanguage());
        void unload();
        [[nodiscard]] bool isLoaded() const;
        [[nodiscard]] const QLocale& getUsedLocale() const;
        [[nodiscard]] QLocale::Language getFallbackLanguage() const;
        [[nodiscard]] QList<QLocale> getAvailableLocales() const;
};
 
} // namespace governikus