function locale_languages_edit_form_validate

Validate the language editing form. Reused for custom language addition too.

Related topics

File

drupal/modules/locale/locale.admin.inc, line 375

Administration functions for locale.module.

Code

function locale_languages_edit_form_validate($form, &$form_state) {

  // Ensure sane field values for langcode, name, and native.
  if (!isset($form['langcode_view']) && preg_match('@[^a-zA-Z_-]@', $form_state['values']['langcode'])) {
    form_set_error('langcode', t('%field may only contain characters a-z, underscores, or hyphens.', array(
      '%field' => $form['langcode']['#title'],
    )));
  }
  if ($form_state['values']['name'] != check_plain($form_state['values']['name'])) {
    form_set_error('name', t('%field cannot contain any markup.', array(
      '%field' => $form['name']['#title'],
    )));
  }
  if ($form_state['values']['native'] != check_plain($form_state['values']['native'])) {
    form_set_error('native', t('%field cannot contain any markup.', array(
      '%field' => $form['native']['#title'],
    )));
  }
  if (!empty($form_state['values']['domain']) && !empty($form_state['values']['prefix'])) {
    form_set_error('prefix', t('Domain and path prefix values should not be set at the same time.'));
  }
  if (!empty($form_state['values']['domain']) && ($duplicate = db_query("SELECT language FROM {languages} WHERE domain = :domain AND language <> :language", array(
    ':domain' => $form_state['values']['domain'],
    ':language' => $form_state['values']['langcode'],
  ))
    ->fetchField())) {
    form_set_error('domain', t('The domain (%domain) is already tied to a language (%language).', array(
      '%domain' => $form_state['values']['domain'],
      '%language' => $duplicate,
    )));
  }
  if (empty($form_state['values']['prefix']) && language_default('language') != $form_state['values']['langcode'] && empty($form_state['values']['domain'])) {
    form_set_error('prefix', t('Only the default language can have both the domain and prefix empty.'));
  }
  if (!empty($form_state['values']['prefix']) && ($duplicate = db_query("SELECT language FROM {languages} WHERE prefix = :prefix AND language <> :language", array(
    ':prefix' => $form_state['values']['prefix'],
    ':language' => $form_state['values']['langcode'],
  ))
    ->fetchField())) {
    form_set_error('prefix', t('The prefix (%prefix) is already tied to a language (%language).', array(
      '%prefix' => $form_state['values']['prefix'],
      '%language' => $duplicate,
    )));
  }
}