function responsive_tables_filter_config_form_validate in Responsive Tables Filter 7

Custom form validation.

1 string reference to 'responsive_tables_filter_config_form_validate'

responsive_tables_filter_admin_form in ./responsive_tables_filter.admin.inc

Form callback to control module settings.

File

./responsive_tables_filter.admin.inc, line 59

Make tables responsive, when filter is enabled for the field.

Code

function responsive_tables_filter_config_form_validate($form, &$form_state) {
  $values = $form_state['values'];
  if (!empty($values[RESPONSIVE_TABLES_FILTER_CUSTOM_CSS])) {
    $path = DRUPAL_ROOT . '/' . $values[RESPONSIVE_TABLES_FILTER_CUSTOM_CSS];
    if (!file_exists($path)) {
      form_set_error(RESPONSIVE_TABLES_FILTER_CUSTOM_CSS, t('No file exists at %path', array(
        '%path' => $path,
      )));
    }
  }
}