package bluej.stride.slots;

import threadchecker.OnThread;
import threadchecker.Tag;

@OnThread(Tag.FXPlatform)
public interface SlotParent<T> extends FocusParent<T>{    
   


| For when backspace has been pressed at the start of the slot
| @param src The slot in which backspace was pressed (it's up to SlotParent to work out the previous one
| that might want to act on the backspace)
| @return True if we have focused into another slot, or deleted this slot, or somehow it is invalid to retain
| focus in the src slot
|
public boolean backspaceAtStart(T src);

   
   public boolean deleteAtEnd(T src);

   
   public void escape(T src); 
   }