71      */
  72     private TreeStateNode     root;
  73 
  74     /**
  75      * Used in getting sizes for nodes to avoid creating a new Rectangle
  76      * every time a size is needed.
  77      */
  78     private Rectangle         boundsBuffer;
  79 
  80     /**
  81      * Maps from <code>TreePath</code> to a <code>TreeStateNode</code>.
  82      */
  83     private Hashtable<TreePath, TreeStateNode> treePathMapping;
  84 
  85     /**
  86      * A stack of stacks.
  87      */
  88     private Stack<Stack<TreePath>> tempStacks;
  89 
  90 



  91     public VariableHeightLayoutCache() {
  92         super();
  93         tempStacks = new Stack<Stack<TreePath>>();
  94         visibleNodes = new Vector<Object>();
  95         boundsBuffer = new Rectangle();
  96         treePathMapping = new Hashtable<TreePath, TreeStateNode>();
  97     }
  98 
  99     /**
 100      * Sets the <code>TreeModel</code> that will provide the data.
 101      *
 102      * @param newModel the <code>TreeModel</code> that is to provide the data
 103      * @beaninfo
 104      *        bound: true
 105      *  description: The TreeModel that will provide the data.
 106      */
 107     public void setModel(TreeModel newModel) {
 108         super.setModel(newModel);
 109         rebuild(false);
 110     }

  71      */
  72     private TreeStateNode     root;
  73 
  74     /**
  75      * Used in getting sizes for nodes to avoid creating a new Rectangle
  76      * every time a size is needed.
  77      */
  78     private Rectangle         boundsBuffer;
  79 
  80     /**
  81      * Maps from <code>TreePath</code> to a <code>TreeStateNode</code>.
  82      */
  83     private Hashtable<TreePath, TreeStateNode> treePathMapping;
  84 
  85     /**
  86      * A stack of stacks.
  87      */
  88     private Stack<Stack<TreePath>> tempStacks;
  89 
  90 
  91     /**
  92      * Constructs a {@code VariableHeightLayoutCache}.
  93      */
  94     public VariableHeightLayoutCache() {
  95         super();
  96         tempStacks = new Stack<Stack<TreePath>>();
  97         visibleNodes = new Vector<Object>();
  98         boundsBuffer = new Rectangle();
  99         treePathMapping = new Hashtable<TreePath, TreeStateNode>();
 100     }
 101 
 102     /**
 103      * Sets the <code>TreeModel</code> that will provide the data.
 104      *
 105      * @param newModel the <code>TreeModel</code> that is to provide the data
 106      * @beaninfo
 107      *        bound: true
 108      *  description: The TreeModel that will provide the data.
 109      */
 110     public void setModel(TreeModel newModel) {
 111         super.setModel(newModel);
 112         rebuild(false);
 113     }