function userreference_field in Content Construction Kit (CCK) 6

Same name and namespace in other branches

1. 5 userreference.module \userreference_field()
2. 6.3 modules/userreference/userreference.module \userreference_field()
3. 6.2 modules/userreference/userreference.module \userreference_field()

Implementation of hook_field().

File

modules/userreference/userreference.module, line 113

Defines a field type for referencing a user from a node.

Code

function userreference_field($op, &$node, $field, &$items, $teaser, $page) {
  switch ($op) {
    case 'validate':
      foreach ($items as $delta => $item) {
        if (is_array($item) && !empty($item['error_field'])) {
          $error_field = $item['error_field'];
          unset($item['error_field']);
          if (!empty($item['uid']) && !in_array($item['uid'], array_keys(_userreference_potential_references($field)))) {
            form_set_error($error_field, t('%name: Invalid user.', array(
              '%name' => t($field['widget']['label']),
            )));
          }
        }
      }
      return;
  }
}