mimetypemodel.h Example File

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#ifndef MIMETYPEMODEL_H
#define MIMETYPEMODEL_H
#include <QStandardItemModel>
#include <QHash>
QT_FORWARD_DECLARE_CLASS(QMimeType)
class MimetypeModel : public QStandardItemModel
{
    Q_OBJECT
public:
    enum Columns { NameColumn, ColumnCount };
    explicit MimetypeModel(QObject *parent = nullptr);
    QVariant data(const QModelIndex &index, int role) const override;
    QMimeType mimeType(const QModelIndex &) const;
    QModelIndex indexForMimeType(const QString &name) const
    { return m_nameIndexHash.value(name); }
    static QString formatMimeTypeInfo(const QMimeType &);
private:
    typedef QHash<QString, QModelIndex> NameIndexHash;
    void populate();
    NameIndexHash m_nameIndexHash;
};
#endif // MIMETYPEMODEL_H