function rules_admin_categories_autocomplete in Rules 6

Menu callback for the autocompletion of categories.

1 string reference to 'rules_admin_categories_autocomplete'

rules_admin_menu in rules_admin/rules_admin.module

Implementation of hook_menu().

File

rules_admin/rules_admin.rule_forms.inc, line 947

Code

function rules_admin_categories_autocomplete($string) {

  // The user enters a comma-separated list of tags. We only autocomplete the last tag.
  $array = array_filter(drupal_explode_tags($string));

  // Fetch last tag
  $last_string = drupal_strtolower(trim(array_pop($array)));
  $prefix = count($array) ? implode(', ', $array) . ', ' : '';
  $tags = rules_admin_get_categories('rules') + rules_admin_get_categories('rule_sets');
  $matches = array();
  foreach ($tags as $tag) {
    if ($last_string && strpos(drupal_strtolower($tag), $last_string) !== FALSE) {
      $matches[$prefix . $tag] = check_plain($tag);
    }
  }
  drupal_json($matches);
}