   }
   
   var shouldShowCancelConfirmation: Bool {
-    return false
+    return dirty
   }
   
   func cancelContentEditing() {

  @IBOutlet weak var sepiaIntensitySlider: UISlider!
  
  var input: PHContentEditingInput?
  let filter = FilsterFilter()
  
  let formatIdentifier = "com.shinobicontrols.filtster"

    default:
      println("Shouldn't get here")
    }
    dirty = true
  }
  
  
