private void initTreeListeners() {
    myTree
        .getSelectionModel()
        .addTreeSelectionListener(
            new TreeSelectionListener() {
              @Override
              public void valueChanged(TreeSelectionEvent e) {
                syncBrowser();
                if (isAutoScrollMode()) {
                  OpenSourceUtil.openSourcesFrom(
                      DataManager.getInstance().getDataContext(InspectionResultsView.this), false);
                }
              }
            });

    EditSourceOnDoubleClickHandler.install(myTree);

    myTree.addKeyListener(
        new KeyAdapter() {
          @Override
          public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == KeyEvent.VK_ENTER) {
              OpenSourceUtil.openSourcesFrom(
                  DataManager.getInstance().getDataContext(InspectionResultsView.this), false);
            }
          }
        });

    myTree.addMouseListener(
        new PopupHandler() {
          @Override
          public void invokePopup(Component comp, int x, int y) {
            popupInvoked(comp, x, y);
          }
        });

    SmartExpander.installOn(myTree);
  }
  private void initTree() {
    myTree.setRootVisible(false);
    myTree.setShowsRootHandles(true);
    SmartExpander.installOn(myTree);
    TreeUtil.installActions(myTree);
    EditSourceOnDoubleClickHandler.install(myTree);
    myTree.addKeyListener(
        new KeyAdapter() {
          @Override
          public void keyPressed(KeyEvent e) {
            if (KeyEvent.VK_ENTER == e.getKeyCode()) {
              TreePath leadSelectionPath = myTree.getLeadSelectionPath();
              if (leadSelectionPath == null) return;

              DefaultMutableTreeNode node =
                  (DefaultMutableTreeNode) leadSelectionPath.getLastPathComponent();
              if (node instanceof UsageNode) {
                final Usage usage = ((UsageNode) node).getUsage();
                usage.navigate(false);
                usage.highlightInEditor();
              } else if (node.isLeaf()) {
                Navigatable navigatable = getNavigatableForNode(node);
                if (navigatable != null && navigatable.canNavigate()) {
                  navigatable.navigate(false);
                }
              }
            }
          }
        });

    TreeUtil.selectFirstNode(myTree);
    PopupHandler.installPopupHandler(
        myTree, IdeActions.GROUP_USAGE_VIEW_POPUP, ActionPlaces.USAGE_VIEW_POPUP);
    // TODO: install speed search. Not in openapi though. It makes sense to create a common
    // TreeEnchancer service.
  }