         constraintViews.append(constraintView)
         constraintView.delegate = self
         self.scrollView.addSubview(constraintView)
+        updateScrollableSize()
     }
     
     var connectionLayers: [CAShapeLayer] = []

            }
            index += 1
        }
    }
    
    func createConnectionLayer(startPoint: CGPoint, endPoint: CGPoint, color: UIColor?) -> CAShapeLayer {

                    }
                }
                rebuildAllConnectionLayers()
                updateScrollableSize()
                self.currentDrag = nil
            }
        case .Possible:
