qt5base-lts/examples/widgets/itemviews/fetchmore/filelistmodel.h

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#ifndef FILELISTMODEL_H
#define FILELISTMODEL_H

#include <QAbstractListModel>
#include <QList>
#include <QStringList>

//![0]
class FileListModel : public QAbstractListModel
{
    Q_OBJECT

public:
    FileListModel(QObject *parent = 0);

    int rowCount(const QModelIndex &parent = QModelIndex()) const Q_DECL_OVERRIDE;
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;

signals:
    void numberPopulated(int number);

public slots:
    void setDirPath(const QString &path);

protected:
    bool canFetchMore(const QModelIndex &parent) const Q_DECL_OVERRIDE;
    void fetchMore(const QModelIndex &parent) Q_DECL_OVERRIDE;

private:
    QStringList fileList;
    int fileCount;
};
//![0]

#endif // FILELISTMODEL_H