olimortimer / ci-nested-sets Goto Github PK

        $cat = $this->nested_set->getNodeFromId($cat_id);

        if($cat["cat_parent_id"]){

            $parent = $this->nested_set->getNodeFromId($cat["cat_parent_id"]);

            if($direction == "up"){                            
                $this->nested_set->setNodeAsFirstChild($cat , $parent);
            }else{                
                $this->nested_set->setNodeAsLastChild($cat , $parent);
            }       
        }

    public function getSubTreeAsHTML($nodes, $fields = array()) {
        if(isset($nodes[0]) && !is_array($nodes[0])) {
            $nodes = array($nodes);
        }

        $retVal = '';
        foreach($nodes AS $node) {
            $tree_handle = $this->getTreePreorder($node);

            while($this->getTreeNext($tree_handle))
            {
                // print indentation
                $retVal .= (str_repeat(' ', $this->getTreeLevel($tree_handle)*4));

                // print requested fields
                $field = reset($fields);
                while($field){
                    $retVal .= $tree_handle['row'][$field] . "\n";
                    $field = next($fields);
                }
                $retVal .= "<br />\n";

            }

        }

        return $retVal;
    }

SELECT node.name, (COUNT(parent.name) - 1) AS depth
 FROM product_category AS node
 CROSS JOIN product_category AS parent
 WHERE node.lft BETWEEN parent.lft AND parent.rgt
 GROUP BY node.name
 ORDER BY node.lft

function renderTree($tree, $currDepth = -1) {
  $currNode = array_shift($tree);
  $result = '';
  // Going down?
  if ($currNode['depth'] > $currDepth) {
    // Yes, prepend <ul>
    $result .= '<ul>';
  }
  // Going up?
  if ($currNode['depth'] < $currDepth) {
    // Yes, close n open <ul>
    $result .= str_repeat('</ul>', $currDepth - $currNode['depth']);
  }
  // Always add the node
  $result .= '<li>' . $currNode['name'] . '</li>';
  // Anything left?
  if (!empty($tree)) {
    // Yes, recurse
    $result .=  renderTree($tree, $currNode['depth']);
  }
  else {
    // No, close remaining <ul>
    $result .= str_repeat('</ul>', $currNode['depth'] + 1);
  }
  return $result;
}