function bigint_field_widget_validate in Big Integer 7

FAPI validation of an individual number element.

1 string reference to 'bigint_field_widget_validate'

bigint_field_widget_form in ./bigint.module

Implements hook_field_widget_form().

File

./bigint.module, line 294

Defines numeric field types.

Code

function bigint_field_widget_validate($element, &$form_state) {
  $field = field_widget_field($element, $form_state);
  $instance = field_widget_instance($element, $form_state);
  $type = $element['#number_type'];
  $value = $element['#value'];

  // Reject invalid characters.
  if (!empty($value)) {
    switch ($type) {
      case 'bigint':
        $regexp = '@([^-0-9])|(.-)@';
        $message = t('Only numbers are allowed in %field.', array(
          '%field' => $instance['label'],
        ));
        break;
    }
    if ($value != preg_replace($regexp, '', $value)) {
      form_error($element, $message);
    }
    else {
      form_set_value($element, $value, $form_state);
    }
  }
}