package bluej.stride.operations;

import bluej.Config;
import bluej.stride.generic.Frame;
import bluej.stride.generic.FrameCursor;
import bluej.stride.generic.InteractionManager;
import bluej.stride.slots.EditableSlot.MenuItemOrder;
import threadchecker.OnThread;
import threadchecker.Tag;

import java.util.Arrays;
import java.util.List;




| Put the contents of canvas frames in place of these frames.
| @author Amjad Altadmri
|
public class PullUpContentsOperation
extends FrameOperation{     
   public PullUpContentsOperation(InteractionManager editor)
   {
      super(editor, "PULL_CONTENTS", Combine.ALL);     
      }

   
   @Override
   
   public List getLabels()
   {
      return Arrays.asList(l(Config.getString("frame.operation.delete.outer"), MenuItemOrder.DELETE));     
      }

   
   @Override
   @OnThread(Tag.FXPlatform)
   
   public void enablePreview()
   {
      editor.getSelection().setPullUpPreview(true);     
      }

   
   @Override
   @OnThread(Tag.FXPlatform)
   
   public void disablePreview()
   {
      editor.getSelection().setPullUpPreview(false);     
      }

   
   @Override
   
   protected void execute(List<Frame> frames)
   {
      if (!frames.isEmpty()) {
         FrameCursor cursorBefore = frames.get(0).getCursorBefore();
         frames.forEach(frame -> {
         frame.pullUpContents();
         frame.getParentCanvas().removeBlock(frame);             
         });
      cursorBefore.requestFocus();
           
      
               
      }     
   }

   
@Override
   
public boolean onlyOnContextMenu()
   {        
   return true;     
   } 
}