     let conceptPoint = convertPoint(concept.point, fromView: canvas)
     drawCenteredDotAtPoint(conceptPoint, color: NSColor.redColor())
   }
-
+  
   // MARK: - accessibility
   
   override func accessibilityRole() -> String? {

      textField.becomeFirstResponder()
      added = true
    }

   //debugDrawing()
  }
  
  // MARK: - drawing

      options: [.MouseEnteredAndExited, .ActiveInKeyWindow],
      owner: self,
      userInfo: nil
    )
  }
  
  init(frame frameRect: NSRect, concept: Concept, canvas: CanvasView) {
