sortmodel.h

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#ifndef SORTMODEL_H
#define SORTMODEL_H
 
#include <QSortFilterProxyModel>
 
class SortModel : public QSortFilterProxyModel {
    Q_OBJECT
public:
    explicit SortModel(QObject* parent = 0);
 
    void setFilterActive(bool enabled);
    bool isFilterActive() const;
    void sort(int column, Qt::SortOrder order = Qt::AscendingOrder) override;
 
protected:
    bool lessThan(const QModelIndex& left, const QModelIndex& right) const override;
 
private:
    int updatedSortNdx() const;
 
    int _currSortNdx;
    Qt::SortOrder _currSortOrder;
    bool _filterActive = false;
};
#endif