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);
    }
}