function og_vocab_taxonomy_autocomplete in OG Vocabulary 7

Replacement for core's taxonomy_autocomplete().

See also

taxonomy_autocomplete()

File

./og_vocab.module, line 818

Give each group its own system controlled vocabularies.

Code

function og_vocab_taxonomy_autocomplete($vid, $field_name, $tags_typed = '') {

  // If the request has a '/' in the search text, then the menu system will have
  // split it into multiple arguments, recover the intended $tags_typed.
  $args = func_get_args();

  // Shift off the $field_name argument.
  array_shift($args);
  $tags_typed = implode('/', $args);

  // The user enters a comma-separated list of tags. We only autocomplete the last tag.
  $tags_typed = drupal_explode_tags($tags_typed);
  $tag_last = drupal_strtolower(array_pop($tags_typed));
  $matches = array();
  if ($tag_last != '') {

    // Part of the criteria for the query come from the field's own settings.
    $vids = array(
      $vid,
    );
    $query = db_select('taxonomy_term_data', 't');
    $query
      ->addTag('translatable');
    $query
      ->addTag('term_access');

    // Do not select already entered terms.
    if (!empty($tags_typed)) {
      $query
        ->condition('t.name', $tags_typed, 'NOT IN');
    }

    // Select rows that match by term name.
    $tags_return = $query
      ->fields('t', array(
      'tid',
      'name',
    ))
      ->condition('t.vid', $vids)
      ->condition('t.name', '%' . db_like($tag_last) . '%', 'LIKE')
      ->range(0, 10)
      ->execute()
      ->fetchAllKeyed();
    $prefix = count($tags_typed) ? drupal_implode_tags($tags_typed) . ', ' : '';
    $term_matches = array();
    foreach ($tags_return as $tid => $name) {
      $n = $name;

      // Term names containing commas or quotes must be wrapped in quotes.
      if (strpos($name, ',') !== FALSE || strpos($name, '"') !== FALSE) {
        $n = '"' . str_replace('"', '""', $name) . '"';
      }
      $term_matches[$prefix . $n] = check_plain($name);
    }
  }
  drupal_json_output($term_matches);
}