package bluej.stride.generic;

import java.util.Optional;
import java.util.stream.Stream;

import javafx.collections.ObservableList;
import javafx.geometry.Bounds;
import javafx.scene.Node;

import bluej.stride.slots.HeaderItem;
import bluej.utility.javafx.SharedTransition;




| An interface for an item within a Frame; either a FrameContentRow or FrameContentCanvas
|
public interface FrameContentItem
{       



| Gets all header items, all the way down in the children
|
public Stream getHeaderItemsDeep();
   
   


| Gets header items that are directly in this item
|
public Stream getHeaderItemsDirect();

   
   


| Gets bounds in terms of the scene
|
public Bounds getSceneBounds();

   
   


| Gets the canvas within this item, if any
|
public Optional getCanvas();

   
   public boolean focusLeftEndFromPrev();
   
   public boolean focusRightEndFromNext();
   
   public boolean focusTopEndFromPrev();
   
   public boolean focusBottomEndFromNext();

   
   public void setView(Frame.View oldView, Frame.View newView, SharedTransition animation);

   
   public Node getNode(); 
   }