function atom_reference_field in Scald: Media Management made easy 6

Implements hook_field().

File

atom_reference/atom_reference.module, line 70

Defines a new field type, allowing to directly reference Scald Atoms from a node.

Code

function atom_reference_field($op, &$node, $field, &$items, $teaser, $page) {
  switch ($op) {
    case 'validate':

      // Ensure that the types of the referenced atoms match the one of those
      // that were defined in the field configuration.
      $types = $field['referencable_types'];
      foreach ($items as $item) {
        if (!$item['sid']) {
          continue;
        }
        $atom = scald_fetch($item['sid']);
        if (!isset($types[$atom->type]) || empty($types[$atom->type])) {
          form_set_error('toto', t("Atom %title is of type %type, which can't be referenced in field %field", array(
            '%title' => $atom->title,
            '%type' => $atom->type,
            '%field' => $field['widget']['label'],
          )));
        }
      }
    case 'sanitize':

      // Get some safe values about the references atoms, checking that
      // they still exist and are fetchable.
      $sids = array();
      foreach ($items as $delta => $item) {
        if (is_array($item)) {
          $items[$delta]['safe'] = array();
          if (isset($item['sid'])) {
            $atom = scald_fetch($item['sid']);
            if (is_object($atom)) {
              $items[$delta]['safe']['sid'] = $atom->sid;
              $items[$delta]['safe']['title'] = check_plain($atom->title);
            }
          }
        }
      }
      break;
  }
}