         }
     }
     
+    // returns child of directory at index
     func treeMapView(view: TreeMapView!, child index: UInt32, ofItem item: AnyObject?) -> AnyObject! {
         let path: Path = asPath(item)
         print(path)

        renderer.setCushionColor(color)
    }
    
    func treeMapView(view: TreeMapView!, willShowMenuForEvent event: NSEvent!) {
        
    }

    
    // TreeMapViewDelegate Implementation
    
    // return tooltip value for file
    func treeMapView(view: TreeMapView!, getToolTipByItem item: AnyObject?) -> String! {
        return asPath(item).description
    }
