Fix Mappings in PictureViewer2

Another fix for the new MappingTreeModel database layout: Make the
mappings display correctly when showing an archived picture.

For performance reasons I had to make PicFilesModel global and put it
into a separate file.

Also clean up MappingTreeModel: remove comments and unused functions.

1 files changed, 3 insertions, 0 deletions

diff --git a/pictureviewer2.h b/pictureviewer2.h
index d9fec03..e245224 100644
--- a/pictureviewer2.h
+++ b/pictureviewer2.h
@@ -25,6 +25,7 @@ class PictureViewer2Item;
 class QGraphicsItem;
 class SmTreeItem;
 class MappingTreeModel;
+class PicFilesModel;
 
 typedef QList<QVariant> PicData;
 typedef QList<QList<QVariant> > PicDataList;
@@ -88,6 +89,8 @@ class PictureViewer2 : public QGraphicsView {
         QPointF mMappingPos;
         QAction *mSlideA;
         QAction *mHideA;
+        MappingTreeModel *mMappingTreeModel;
+        PicFilesModel *mPicFilesModel;
 };
 
 class PictureViewer2Item : public QGraphicsItem {