function taxonomy_autocomplete_deluxe in Autocomplete Deluxe 7

Custom taxonomy callback, which also accepts an empty string search.

1 string reference to 'taxonomy_autocomplete_deluxe'

autocomplete_deluxe_menu in ./autocomplete_deluxe.module

Implements hook_menu().

File

./autocomplete_deluxe.module, line 40

Define enhanced autocomplete wdiget.

Code

function taxonomy_autocomplete_deluxe($field_name, $tags_typed = '') {
  $field = field_info_field($field_name);

  // 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();

  // Part of the criteria for the query come from the field's own settings.
  $vids = array();
  $vocabularies = taxonomy_vocabulary_get_names();
  foreach ($field['settings']['allowed_values'] as $tree) {
    $vids[] = $vocabularies[$tree['vocabulary']]->vid;
  }
  $query = db_select('taxonomy_term_data', 't');
  $query
    ->addTag('translatable');
  $query
    ->addTag('term_access');
  $query
    ->addTag('autocomplete_deluxe_taxonomy_autocomplete');
  $query
    ->addMetadata('field_name', $field_name);
  if ($tag_last != '') {

    // 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')
      ->execute()
      ->fetchAllKeyed();
  }
  else {
    $tags_return = $query
      ->fields('t', array(
      'tid',
      'name',
    ))
      ->condition('t.vid', $vids)
      ->execute()
      ->fetchAllKeyed();
  }
  $prefix = count($tags_typed) ? implode(', ', $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) . '"';
    }
    else {
      $term_matches[$prefix . $n] = check_plain($name);
    }
  }
  drupal_json_output($term_matches);
}