/**
* Tests if the first node is a child of the second node.
*
* @param MW_Tree_Node_Interface $node Node to test
* @param MW_Tree_Node_Interface $parent Parent node
* @return boolean True if not is a child of the second node, false if not
*/
protected function _isChild(MW_Tree_Node_Interface $node, MW_Tree_Node_Interface $parent)
{
return $node->__get('left') > $parent->__get('left') && $node->__get('right') < $parent->__get('right');
}
