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playlistmodel.h Example File
player/playlistmodel.h

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    #ifndef PLAYLISTMODEL_H
    #define PLAYLISTMODEL_H

    #include <qmobilityglobal.h>
    #include <QtCore/qabstractitemmodel.h>

    class QMediaPlaylist;

    QT_USE_NAMESPACE

    class PlaylistModel : public QAbstractItemModel
    {
        Q_OBJECT
    public:
        enum Column
        {
            Title = 0,
            ColumnCount
        };

        PlaylistModel(QObject *parent = 0);

        int rowCount(const QModelIndex &parent = QModelIndex()) const;
        int columnCount(const QModelIndex &parent = QModelIndex()) const;

        QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
        QModelIndex parent(const QModelIndex &child) const;

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

        QMediaPlaylist *playlist() const;
        void setPlaylist(QMediaPlaylist *playlist);

        bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::DisplayRole);

    private slots:
        void beginInsertItems(int start, int end);
        void endInsertItems();
        void beginRemoveItems(int start, int end);
        void endRemoveItems();
        void changeItems(int start, int end);

    private:
        QMediaPlaylist *m_playlist;
        QMap<QModelIndex, QVariant> m_data;
    };

    #endif


Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies) Trademarks
Qt Mobility Project 1.0.1