diff -r a0afa279b8fe -r eb79a7c355bf inc/mpcollectiondatamodel.h
--- a/inc/mpcollectiondatamodel.h	Fri May 28 19:46:01 2010 -0500
+++ b/inc/mpcollectiondatamodel.h	Fri Jun 11 19:36:32 2010 -0500
@@ -19,6 +19,7 @@
 #define MPCOLLECTIONDATAMODEL_H
 
 #include <QAbstractListModel>
+
 #include "mpmpxcollectionviewdefs.h"
 
 class MpMpxCollectionData;
@@ -47,6 +48,7 @@
     QMimeData *mimeData(const QModelIndexList &indexes) const;
     bool dropMimeData(const QMimeData *data, Qt::DropAction action,
                               int row, int column, const QModelIndex &parent);
+    void setItemVisibility(const QModelIndex &index, bool visible);
     
     MpMpxCollectionData *collectionData();
     
@@ -68,6 +70,7 @@
     MpCollectionAlbumArtManager     *mAlbumArtManager;      // Own
     int                             mRowCount;
     int                             mAlbumIndexOffset;
+    int                             mHiddenItemIndex;
 
 };