function taxonomy_access_taxonomy in Taxonomy Access Control 6

Same name and namespace in other branches

1. 5.2 taxonomy_access.module \taxonomy_access_taxonomy()
2. 5 taxonomy_access.module \taxonomy_access_taxonomy()

Implements hook_taxonomy().

File

./taxonomy_access.module, line 139

Allows administrators to specify how each category (in the taxonomy) can be used by various roles.

Code

function taxonomy_access_taxonomy($op, $type, $array = NULL) {
  switch ($op) {
    case 'delete':

      // See taxonomy_access_form_taxonomy_form_term_alter()
      // and taxonomy_access_form_taxonomy_vocabulary_confirm_delete_alter().
      // Use static variables so they are available when children use the hook.
      static $del_vocab;
      static $del_term;
      static $affected_nodes;
      static $descendants;

      // Check for flags & node list from our admin form submit overrides.
      if (!isset($del_vocab)) {
        $del_vocab = _taxonomy_access_del_vocabulary();
      }
      if (!isset($del_term)) {
        $del_term = _taxonomy_access_del_term();
      }
      if (!isset($affected_nodes)) {
        $affected_nodes = _taxonomy_access_cache_affected_nodes();
      }
      if (!isset($descendants) && $del_term) {
        $descendants = _taxonomy_access_get_descendants($del_term);
      }

      // Clean our data for the term or vocab.
      if ($type == 'term') {
        db_query("DELETE FROM {term_access} WHERE tid = '%d'", $array['tid']);
      }
      if ($type == 'vocabulary') {
        db_query("DELETE FROM {term_access_defaults} WHERE vid = '%d'", $array['vid']);
      }

      // Determine if and how to update node access.
      // If the user deleted a vocabulary on the admin form, use cached data.
      if ($del_vocab) {

        // Only trigger node access update on the vocab deletion itself,
        // after all the terms have been deleted.
        if ($type == 'vocabulary') {
          _taxonomy_access_node_access_update($affected_nodes);
        }
      }
      elseif ($del_term) {

        // Main term is first one to invoke the hook.
        // To ensure that update runs only once after all descendants have
        // been processed, unset each when it invokes the hook.
        $key = array_search($array['tid'], $descendants);
        if (!($key === FALSE)) {

          // Might be zero.
          unset($descendants[$key]);
        }

        // If there are no descendants left, process updates.
        if (sizeof($descendants) == 0) {
          _taxonomy_access_node_access_update($affected_nodes);
        }
      }
      else {
        node_access_needs_rebuild(TRUE);
      }
      break;
  }
  return;
}