public function TextfieldWidget::errorElement in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/text/src/Plugin/Field/FieldWidget/TextfieldWidget.php \Drupal\text\Plugin\Field\FieldWidget\TextfieldWidget::errorElement()

Assigns a field-level validation error to the right widget sub-element.

Depending on the widget's internal structure, a field-level validation error needs to be flagged on the right sub-element.

Parameters

array $element: An array containing the form element for the widget, as generated by formElement().

\Symfony\Component\Validator\ConstraintViolationInterface $violation: A constraint violation reported during the validation phase.

array $form: The form structure where field elements are attached to. This might be a full form structure, or a sub-element of a larger form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Return value

array|bool The element on which the error should be flagged, or FALSE to completely ignore the violation (use with care!).

Overrides WidgetBase::errorElement

File

core/modules/text/src/Plugin/Field/FieldWidget/TextfieldWidget.php, line 39

Class

TextfieldWidget

Plugin implementation of the 'text_textfield' widget.

Namespace

Drupal\text\Plugin\Field\FieldWidget

Code

public function errorElement(array $element, ConstraintViolationInterface $violation, array $form, FormStateInterface $form_state) {
  if ($violation->arrayPropertyPath == [
    'format',
  ] && isset($element['format']['#access']) && !$element['format']['#access']) {

    // Ignore validation errors for formats that may not be changed,
    // such as when existing formats become invalid.
    // See \Drupal\filter\Element\TextFormat::processFormat().
    return FALSE;
  }
  return $element;
}