     valueTextField.enabled = true
     valueTextField.hidden = false
     valueTextField.textColor = .blackColor()
-    valueTextField.placeholder = "value"
+    valueTextField.attributedPlaceholder = NSAttributedString(string: "value", attributes: [
+      NSForegroundColorAttributeName: UIColor.lightGrayColor()
+    ])
+
     valueSwitch.enabled = true
     valueSwitch.hidden = true
     

  }
  
  @IBAction func valueDidChange(sender: UITextField) {
    let text = sender.text ?? ""
    let value: AnyObject?
    switch property.type {

    
    if value == nil {
      valueTextField.text = ""
      valueTextField.attributedPlaceholder = NSAttributedString(string: "nil", attributes: [
        NSForegroundColorAttributeName: UIColor.redColor()
      ])
    }
  }
  
