Example #1
0
 /**
  * @param array $data
  * @return Tree\Tree
  */
 public static function fromArray($data)
 {
     $tree = new self();
     foreach ($data as $node) {
         $tree->setNode(Node::fromArray($node));
     }
     return $tree;
 }
Example #2
0
 /**
  * Iterate through the tree to create an adjacency list from this object
  * 
  * @param array $nodes
  * @param \Tree\NestedSet\Node $p
  * 
  * @return \Tree\AdjacencyList\AdjacencyList
  */
 private static function convertToAdjacencyList(&$nodes, &$p = null)
 {
     static $new_tree;
     if ($new_tree === null) {
         $new_tree = new \Tree\AdjacencyList\AdjacencyList();
     }
     while (($node = current($nodes)) !== false) {
         if (is_null($p)) {
             $parent_id = 0;
         } else {
             $parent_id = $p->getId();
         }
         $new_node = array('id' => $node->getId(), 'parent_id' => $parent_id);
         $new_tree->setNode(\Tree\AdjacencyList\Node::fromArray($new_node));
         if (empty($nodes)) {
             break;
         }
         if (!($next = next($nodes))) {
             break;
         }
         if ($next->getLevel() == $node->getLevel()) {
             continue;
         }
         if ($next->getLevel() > $node->getLevel()) {
             // child
             self::convertToAdjacencyList($nodes, $node);
             if ($node = current($nodes) && $node->getLevel() <= $p->getLevel()) {
                 break;
             }
         } else {
             break;
         }
     }
     return $new_tree;
 }