protected function _nodeToArray(Varien_Data_Tree_Node $node)
{
if (empty($node)) {
return array();
}
$result = $node->debug();
$result['category_id'] = $node->getId();
$result['parent_id'] = $node->getParentId();
$result['name'] = $node->getName();
$result['is_active'] = $node->getIsActive();
$result['is_anchor'] = $node->getIsAnchor();
$result['url_key'] = $node->getUrlKey();
$result['url'] = $node->getRequestPath();
$result['position'] = $node->getPosition();
$result['level'] = $node->getLevel();
$result['products'] = $node->getProducts();
$result['children'] = array();
foreach ($node->getChildren() as $child) {
$result['children'][] = $this->_nodeToArray($child);
}
return $result;
}