private static JTree createTree() {
   JTree resultsTree = new JTree();
   resultsTree.setName("TREEVIEW");
   resultsTree.setRootVisible(false);
   resultsTree.setEditable(false);
   resultsTree.setShowsRootHandles(true);
   resultsTree.setCellRenderer(new FailureCellRenderer());
   ToolTipManager tipManager = ToolTipManager.sharedInstance();
   tipManager.registerComponent(resultsTree);
   resultsTree.addKeyListener(new EnterPressListener());
   return resultsTree;
 }
 public void addResultClickListener(ResultClickListener listener) {
   tree.addMouseListener(listener);
 }