function double_field_field_validate in Double Field 7

Same name and namespace in other branches

1. 7.2 double_field.module \double_field_field_validate()

Implements hook_field_validate().

File

./double_field.module, line 62

Defines double text field type.

Code

function double_field_field_validate($entity_type, $entity, $field, $instance, $langcode, $items, &$errors) {
  $settings = $instance['widget']['settings'];
  if ($entity_type && $instance['required']) {
    $error = array(
      'error' => 'double_field_required',
      'error_element' => array(
        'first' => TRUE,
        'second' => TRUE,
      ),
      'message' => t('%name field is required.', array(
        '%name' => $instance['label'],
      )),
    );
    $field_is_empty = TRUE;
    foreach ($items as $delta => $item) {
      if ($item['first'] !== '' || $item['second'] !== '') {
        $field_is_empty = FALSE;
        $error['error_element']['first'] = $settings['first']['required'] && $item['first'] === '';
        $error['error_element']['second'] = $settings['second']['required'] && $item['second'] === '';
        if ($error['error_element']['first'] || $error['error_element']['second']) {
          $errors[$field['field_name']][$langcode][$delta][] = $error;
        }
      }
    }
    if ($field_is_empty) {
      $errors[$field['field_name']][$langcode][0][] = $error;
    }
  }
}