/**
  * Renders a node collection recursive or just a single instance
  *
  * @param t3lib_tree_NodeCollection $node
  * @param bool $recursive
  * @return mixed
  */
 public function renderTree(t3lib_tree_AbstractTree $tree, $recursive = TRUE)
 {
     $this->recursionLevel = 0;
     $code = '<ul class="level' . $this->recursionLevel . '" style="margin-left:10px">';
     $code .= $this->renderNode($tree->getRoot(), $recursive);
     $code .= '</ul>';
     return $code;
 }
 /**
  * Renders a node collection recursive or just a single instance
  *
  * @param t3lib_tree_NodeCollection $node
  * @param bool $recursive
  * @return mixed
  */
 public function renderTree(t3lib_tree_AbstractTree $tree, $recursive = TRUE)
 {
     $this->recursionLevel = 0;
     $children = $this->renderNode($tree->getRoot(), $recursive);
     return json_encode($children);
 }