/**
* Creates a flat list node items.
*
* @param MW_Tree_Node_Interface $node Root node
* @return Associated list of ID / node object pairs
*/
protected function _getNodeMap(MW_Tree_Node_Interface $node)
{
$map = array();
$map[(string) $node->getId()] = $node;
foreach ($node->getChildren() as $child) {
$map += $this->_getNodeMap($child);
}
return $map;
}
/**
* 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');
}
