@Override
      public String getToolTipText(MouseEvent event) {
        final TreePath path = myTree.getPathForLocation(event.getX(), event.getY());
        if (path == null) {
          return "";
        }
        Object node = path.getLastPathComponent();
        if ((!(node instanceof DefaultMutableTreeNode))) {
          return "";
        }
        if (node instanceof TooltipNode) {
          String select = DvcsBundle.message("push.select.all.commit.details");
          return ((TooltipNode)node).getTooltip() + "<p style='font-style:italic;color:gray;'>" + select + "</p>"; //NON-NLS
        }
        return "";
      }
@Override
      public String getToolTipText(MouseEvent event)