 
 class RootCollectionView: SwiftBoardCollectionView, UIGestureRecognizerDelegate, SwiftBoardListViewModelDelegate, RootViewModelDelegate {
     private var listDataSource: ListViewModelDataSource?
-    private var zoomedLayout = CollectionViewLayout()
     private var regularLayout = CollectionViewLayout()
     
     private var tapGestureRecognizer: UITapGestureRecognizer!

        if let index = rootViewModel?.indexOfItem(folderViewModel) {
            if let cell = cellForItemAtIndexPath(index.toIndexPath()) as? FolderCollectionViewCell {
                openFolderCollectionView = cell.collectionView
                zoomedLayout.zoomToIndex = index
                setCollectionViewLayout(zoomedLayout, animated: true)
            }
        }

        
        if let index = rootViewModel?.indexOfItem(folderViewModel) {
            openFolderCollectionView = nil
            setCollectionViewLayout(regularLayout, animated: true)
        }
    }
