public function UcTreeNode::add_child in Ubercart 7.3

Same name and namespace in other branches

1. 6.2 uc_catalog/uc_catalog.module \UcTreeNode::add_child()

Determines if new child is an immediate descendant or not.

This function is completely dependent on the structure of the array returned by taxonomy_get_tree(). Each element in the array knows its depth in the tree and the array is a preorder iteration of the logical tree structure. Therefore, if the parameter is more than one level deeper than $this, it should be passed to the last child of $this.

File

uc_catalog/classes/treenode.inc, line 39

Utility classes for catalog module.

Class

UcTreeNode

Data structure to mimic Drupal's menu system.

Code

public function add_child(&$child) {
  if ($child->depth - $this->depth == 1) {
    $this->children[] = $child;
  }
  else {
    $last_child =& $this->children[count($this->children) - 1];
    $last_child
      ->add_child($child);
  }
}