Qt 5.8 | Qt Multimedia | Media Player Example | playlistmodel.h Example File

Qt 5.8.0 Reference Documentation

# playlistmodel.h Example File

multimediawidgets/player/playlistmodel.h

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      #ifndef PLAYLISTMODEL_H
      #define PLAYLISTMODEL_H

      #include <QAbstractItemModel>

      class QMediaPlaylist;

      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 // PLAYLISTMODEL_H