function views_ajax_autocomplete_taxonomy in Views (for Drupal 7) 7.3

Same name and namespace in other branches

1. 8.3 includes/ajax.inc \views_ajax_autocomplete_taxonomy()

Page callback for views taxonomy autocomplete.

Parameters

int $vid: The vocabulary id of the tags which should be returned.

string $tags_typed: The typed string of the user.

See also

taxonomy_autocomplete()

Related topics

1 string reference to 'views_ajax_autocomplete_taxonomy'

views_menu in ./views.module

Implements hook_menu().

File

includes/ajax.inc, line 354

Handles the server side AJAX interactions of Views.

Code

function views_ajax_autocomplete_taxonomy($vid, $tags_typed = '') {

  // 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 != '') {
    $query = db_select('taxonomy_term_data', 't');
    $query
      ->addTag('translatable');
    $query
      ->addTag('taxonomy_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', $vid)
      ->condition('t.name', '%' . db_like($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) . '"';
      }

      // Add term name to list of matches.
      $term_matches[$prefix . $n] = check_plain($name);
    }
  }
  drupal_json_output($term_matches);
}