            let d = (s as NSString).doubleValue
            self.field.newValue = NSNumber(value: d)
        }
        notifyUpdate()
    }
    
    override func setEditableField(editable: EditHelperProtocol) {
        super.setEditableField(editable: editable)
        self.labelName.text = editable.name
        self.labelValue.text = String(describing:editable.value())
    }
    
