ModelDataExtractor.hxx

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#ifndef MODELDATAEXTRACTOR_HXX
#define MODELDATAEXTRACTOR_HXX
 
#include <QObject>
#include <QJSValue>
#include <QVariant>
 
class QAbstractItemModel;
 
class ModelDataExtractor : public QObject
{
    Q_OBJECT
public:
    explicit ModelDataExtractor(QObject *parent = nullptr);
 
    Q_PROPERTY(QJSValue model READ model WRITE setModel NOTIFY modelChanged)
    Q_PROPERTY(int index READ index WRITE setIndex NOTIFY indexChanged)
    Q_PROPERTY(QString role READ role WRITE setRole NOTIFY roleChanged)
 
    Q_PROPERTY(QVariant data READ data NOTIFY dataChanged)
 
    QJSValue model() const
    {
        return m_rawModel;
    }
 
    int index() const
    {
        return m_index;
    }
 
    QString role() const
    {
        return m_role;
    }
 
    QVariant data() const;
 
signals:
 
    void modelChanged();
    void indexChanged(int index);
    void roleChanged(QString role);
 
    void dataChanged();
 
public slots:
    void setModel(QJSValue model);
    void setIndex(int index);
    void setRole(QString role);
 
private slots:
    void onDataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight);
 
private:
    void clear();
 
    QAbstractItemModel* m_model = nullptr;
    QJSValue m_rawModel;
    QStringList m_stringsModel;
 
    int m_index = 0;
    QString m_role;
};
 
#endif // MODELDATAEXTRACTOR_HXX