package bluej.parser.nodes;




| An RBTreeNode represents the value in a tree node represented by a NodeTree.
|
| @author Davin McCall
|
public class RBTreeNode<T extends RBTreeNode<T>>{    
   private NodeTree<T> containingNodeTree;

   
   


| Set the containing node tree. This is normally only called by NodeTree when inserting
| this node into the tree.
|
protected final void setContainingNodeTree(NodeTree<T> cnode)
   {        
      containingNodeTree = cnode;     
      }
    
   
   


| Get the containing node tree for this node.
| @return
|
protected final NodeTree getContainingNodeTree()
   {        
      return containingNodeTree;     
      }
    
   
   


| Move the node. This also has the effect of moving all following nodes.
| @param offset  The amount by which to move the node
|
public void slide(int amount)
   {
      getContainingNodeTree().slideNode(amount);     
      }

   
   


| Move the node's beginning, but not its end position. This shrinks or grows
| the node accordingly. The position of following nodes is not affected.
|
public void slideStart(int offset)
   {
      getContainingNodeTree().slideStart(offset);     
      }
    
   
   


| Set the size of this node. Following nodes shift position according to the change in
| size; this should normally be used when inserting or removing text from the node.
| @param newSize  The new node size
|
public void resize(int newSize)
   {
      getContainingNodeTree().resize(newSize);     
      }
    
   
   


| Set the size of this node, without moving following nodes. It is the caller's
| responsibility to ensure that setting the new size does not cause this node
| to overlap following nodes.
| @param newSize  The new size of this node.
|
public void setSize(int newSize)
   {
      getContainingNodeTree().setSize(newSize);     
      }
    
   
   public void remove()
   {
      getContainingNodeTree().remove();     
      } 
   }