function views_handler_sort_node_language::query

Called to add the sort to a query.

Overrides views_handler_sort::query

File

modules/locale/views_handler_sort_node_language.inc, line 25

Class

views_handler_sort_node_language

Sort handler that allows sorting on a specific language.

Code

public function query() {
  if (isset($this->options['language'])) {
    $langcode = $this->get_system_langcode($this->options['language']);
    // Validate the langcode.
    if (preg_match('/^[a-z0-9\\-]+$/i', $langcode)) {
      $this->ensure_my_table();
      // See https://stackoverflow.com/questions/14104055/ordering-by-specific-field-value-first
      $formula = "{$this->table_alias}_language = '{$langcode}'";
      $this->query
        ->add_orderby($this->table_alias, NULL, $this->options['order'], $formula);
    }
  }
}