package bluej.stride.framedjava.ast;

import bluej.stride.framedjava.errors.CodeError;
import bluej.stride.framedjava.errors.ErrorShower;
import bluej.stride.slots.EditableSlot;
import threadchecker.OnThread;
import threadchecker.Tag;

public abstract class StringSlotFragment
extends SlotFragment{    
   protected final String content;
    
   
   public StringSlotFragment(String content)
   {        
      this.content = content;
    
      if (content == null) {            
         throw new IllegalArgumentException("SlotElement content cannot be null");         
         }

      else if (content.contains("\n")) {            
         throw new IllegalStateException("SlotElement content contains newline");         
         }     
      }

   
   public abstract EditableSlot getSlot();

   
   @Override
   
   public ErrorShower getErrorShower()
   {
      return getSlot();     
      }

   
   @Override
   @OnThread(Tag.FXPlatform)
   
   public final void addError(CodeError error)
   {
      if (getSlot() != null)
      getSlot().addError(error);     
      }

   
   @Override
   
   protected final JavaFragment getCompileErrorRedirect()
   {        
      
      return null;     
      }

   
   


| Gets the content of the slot, as it should be displayed in the editor.
|
public String getContent()
   {        
      return content;     
      }

   
   public boolean isEmpty()
   {
      return content.isEmpty();     
      } 
   }