LanguageEditor.h

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#pragma once
#include <NDEVR/Translator.h>
#include <QWidget>
#include <QSyntaxHighlighter>
#include <QRegularExpression>
namespace Ui
{
    class LanguageEditorUI;
}
class QPlainTextEdit;
namespace NDEVR
{
    /**--------------------------------------------------------------------------------------------------
    \brief Syntactically highlights translations.
    **/
    class LanguageHighlighter : public QSyntaxHighlighter
    {
        Q_OBJECT
    public:
        LanguageHighlighter(QTextDocument* parent = 0);
        void setSearchString(const QString& search_string);
    protected:
        void highlightBlock(const QString& text) override;
 
    private:
        struct HighlightingRule
        {
            QRegularExpression pattern;
            QTextCharFormat format;
        };
        QVector<HighlightingRule> m_highlighting_rules;
    };
    /**--------------------------------------------------------------------------------------------------
    \brief Allows the user to adjust translation values for a given language.
    **/
    class LanguageEditor : public QWidget
    {
    public:
        LanguageEditor(QWidget* parent = nullptr);
        virtual ~LanguageEditor();
        
        void setEditingTranslation(const Translator& translator);
        void setReferenceTranslation(const Translator& translator);
#if SUPPORTS_GOOGLE_TRANSLATE 
        QString googleTranslate(const QString& keyword, const QString& from, const QString& to) const;
#endif
    protected:
        void copyReference();
        void updateUI();
        void saveLanguage();
        void updateTranslationView();
        bool canSave();
    protected:
        bool m_has_change = false;
        Ui::LanguageEditorUI* ui;
        Translator m_translator;
        Translator m_reference_translator;
        Translator m_original_translator;
    };
}