';
$extra = '';
if ($element['#autocomplete_path'] && !empty($element['#autocomplete_input'])) {
drupal_add_library('system', 'drupal.autocomplete');
$element['#attributes']['class'][] = 'form-autocomplete';
$attributes = array();
$attributes['type'] = 'hidden';
$attributes['id'] = $element['#autocomplete_input']['#id'];
$attributes['value'] = $element['#autocomplete_input']['#url_value'];
$attributes['disabled'] = 'disabled';
$attributes['class'][] = 'autocomplete';
// Uses icon for autocomplete "throbber".
if ($icon = _bootstrap_icon('refresh')) {
$output = '' . $output . '' . $icon . '
';
}
// Fallback to using core's throbber.
else {
$output = '' . $output . '';
// The throbber's background image must be set here because sites may not
// be at the root of the domain (ie: /) and this value cannot be set via
// CSS.
$output .= '';
$output .= '
';
}
$extra = '';
}
return $output . $extra;
}