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* Act on doubleClick in FileTreeWidgetArno2010-07-241-30/+0
| | | | | | | | | | | | | When doubleclicking a picture in FileTreeWidget the pictureViewer is shown. Doubleclicking a movie file launches the default movie player. Since PictureViewer is now used in FileSystemWidget and ArchiveTreeView a global instance is needed. The appropriate place for this is a singleton. Since we already had a singleton for QAbstractItemModels I renamed it to SmGlobals and added a function to return a PictureViewer object. Renaming it was quite easy thanks to QtCreator's ability to rename variable names.
* Singleton cleanupArno2010-06-231-0/+30
The SmUberModel class wasn't needed at all, so I removed it. Instead I renamed SmUmberModelSingleton into a real singleton for all QAbstractItemModel*, though right now it only supports the SeriesTreeModel and FileTreeModel. But it should eventually evolve into a singleton for all QAbstractItemModel *. For this I renamed the class SmUberModelSingleton to SmModelSingleton.