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

        return path.isDirectory
    }
    
    func treeMapView(view: TreeMapView!, numberOfChildrenOfItem item: AnyObject?) -> UInt32 {
        let path: Path = asPath(item)
        let children = path.children()
        return UInt32(path.children().count)
    }
    
    func treeMapView(view: TreeMapView!, weightByItem item: AnyObject?) -> UInt64 {
        let path: Path = asPath(item)
        if path.isDirectory {

        renderer.setCushionColor(color)
    }
    
    // NOT IMPLEMENTED YET
    
    func treeMapView(view: TreeMapView!, willShowMenuForEvent event: NSEvent!) {
        
    }
