function locale_languages_predefined_form_validate

Validate the language addition form.

Related topics

File

modules/locale/locale.admin.inc, line 324

Code

function locale_languages_predefined_form_validate($form, &$form_state) {
  $langcode = $form_state['values']['langcode'];
  if (($duplicate = db_query("SELECT COUNT(*) FROM {languages} WHERE language = :language", array(
    ':language' => $langcode,
  ))->fetchField()) != 0) {
    form_set_error('langcode', t('The language %language (%code) already exists.', array(
      '%language' => $form_state['values']['name'],
      '%code' => $langcode,
    )));
  }
  if (!isset($form_state['values']['name'])) {
    // Predefined language selection.
    include_once DRUPAL_ROOT . '/includes/iso.inc';
    $predefined = _locale_get_predefined_list();
    if (!isset($predefined[$langcode])) {
      form_set_error('langcode', t('Invalid language code.'));
    }
  }
  else {
    // Reuse the editing form validation routine if we add a custom language.
    locale_languages_edit_form_validate($form, $form_state);
  }
}