function filter_admin_format_form_validate

Form validation handler for filter_admin_format_form().

See also

filter_admin_format_form_submit()

File

drupal/core/modules/filter/filter.admin.inc, line 290

Administrative page callbacks for the Filter module.

Code

function filter_admin_format_form_validate($form, &$form_state) {
  $format_format = trim($form_state['values']['format']);
  $format_name = trim($form_state['values']['name']);

  // Ensure that the values to be saved later are exactly the ones validated.
  form_set_value($form['format'], $format_format, $form_state);
  form_set_value($form['name'], $format_name, $form_state);
  $filter_formats = entity_load_multiple('filter_format');
  foreach ($filter_formats as $format) {
    if ($format->name == $format_name && $format->format != $format_format) {
      form_set_error('name', t('Text format names must be unique. A format named %name already exists.', array(
        '%name' => $format_name,
      )));
      break;
    }
  }
}