src/collectionbrowser/SingleCollectionTreeItemModel.h

   1 /******************************************************************************
   2  * copyright: (c) 2007 Alexandre Pereira de Oliveira <aleprj@gmail.com>       *
   3  *            (c) 2007 Maximilian Kossick <maximilian.kossick@googlemail.com> *
   4  *            (c) 2007 Nikolaj Hald Nielsen <nhnFreespirit@gmail.com>         *
   5  *   This program is free software; you can redistribute it and/or modify     *
   6  *   it under the terms of the GNU General Public License version 2           *
   7  *   as published by the Free Software Foundation.                            *
   8  ******************************************************************************/
   9
  10 #ifndef SINGLECOLLECTIONTREEITEMMODEL_H
  11 #define SINGLECOLLECTIONTREEITEMMODEL_H
  12
  13 #include "amarok_export.h"
  14 #include "CollectionTreeItemModelBase.h"
  15 #include "meta/Meta.h"
  16
  17 #include <QAbstractItemModel>
  18 #include <QMap>
  19 #include <QPair>
  20 #include <QPixmap>
  21
  22 class CollectionTreeItem;
  23 class Collection;
  24 //typedef QPair<Collection*, CollectionTreeItem* > CollectionRoot;
  25
  26 class AMAROK_EXPORT SingleCollectionTreeItemModel: public CollectionTreeItemModelBase {
  27 Q_OBJECT
  28
  29     public:
  30         SingleCollectionTreeItemModel( Collection * collection,  const QList<int> &levelType );
  31
  32         virtual QVariant data(const QModelIndex &index, int role) const;
  33         virtual bool hasChildren ( const QModelIndex & parent = QModelIndex() ) const;
  34         virtual bool canFetchMore( const QModelIndex &parent ) const;
  35         virtual void fetchMore( const QModelIndex &parent );
  36         virtual void setLevels( const QList<int> &levelType );
  37
  38     protected:
  39         virtual void filterChildren();
  40
  41     private:
  42
  43         void ensureChildrenLoaded( CollectionTreeItem *item ) const;
  44
  45         Collection* m_collection;
  46         QueryMaker* m_queryMaker;
  47
  48
  49
  50 };
  51
  52 #endif