public function WidgetBase::flagErrors in Drupal 8
Same name and namespace in other branches
- 9 core/lib/Drupal/Core/Field/WidgetBase.php \Drupal\Core\Field\WidgetBase::flagErrors()
Reports field-level validation errors against actual form elements.
Parameters
\Drupal\Core\Field\FieldItemListInterface $items: The field values.
\Symfony\Component\Validator\ConstraintViolationListInterface $violations: A list of constraint violations to flag.
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 form state.
Overrides WidgetBaseInterface::flagErrors
2 calls to WidgetBase::flagErrors()
- FileWidget::flagErrors in core/
modules/ file/ src/ Plugin/ Field/ FieldWidget/ FileWidget.php - Reports field-level validation errors against actual form elements.
- LinkWidget::flagErrors in core/
modules/ link/ src/ Plugin/ Field/ FieldWidget/ LinkWidget.php - Override the '%uri' message parameter, to ensure that 'internal:' URIs show a validation error message that doesn't mention that scheme.
2 methods override WidgetBase::flagErrors()
- FileWidget::flagErrors in core/
modules/ file/ src/ Plugin/ Field/ FieldWidget/ FileWidget.php - Reports field-level validation errors against actual form elements.
- LinkWidget::flagErrors in core/
modules/ link/ src/ Plugin/ Field/ FieldWidget/ LinkWidget.php - Override the '%uri' message parameter, to ensure that 'internal:' URIs show a validation error message that doesn't mention that scheme.
File
- core/
lib/ Drupal/ Core/ Field/ WidgetBase.php, line 409
Class
- WidgetBase
- Base class for 'Field widget' plugin implementations.
Namespace
Drupal\Core\FieldCode
public function flagErrors(FieldItemListInterface $items, ConstraintViolationListInterface $violations, array $form, FormStateInterface $form_state) {
$field_name = $this->fieldDefinition
->getName();
$field_state = static::getWidgetState($form['#parents'], $field_name, $form_state);
if ($violations
->count()) {
// Locate the correct element in the form.
$element = NestedArray::getValue($form_state
->getCompleteForm(), $field_state['array_parents']);
// Do not report entity-level validation errors if Form API errors have
// already been reported for the field.
// @todo Field validation should not be run on fields with FAPI errors to
// begin with. See https://www.drupal.org/node/2070429.
$element_path = implode('][', $element['#parents']);
if ($reported_errors = $form_state
->getErrors()) {
foreach (array_keys($reported_errors) as $error_path) {
if (strpos($error_path, $element_path) === 0) {
return;
}
}
}
// Only set errors if the element is visible.
if (Element::isVisibleElement($element)) {
$handles_multiple = $this
->handlesMultipleValues();
$violations_by_delta = $item_list_violations = [];
foreach ($violations as $violation) {
// Separate violations by delta.
$property_path = explode('.', $violation
->getPropertyPath());
$delta = array_shift($property_path);
if (is_numeric($delta)) {
$violations_by_delta[$delta][] = $violation;
}
else {
$item_list_violations[] = $violation;
}
$violation->arrayPropertyPath = $property_path;
}
/** @var \Symfony\Component\Validator\ConstraintViolationInterface[] $delta_violations */
foreach ($violations_by_delta as $delta => $delta_violations) {
// Pass violations to the main element if this is a multiple-value
// widget.
if ($handles_multiple) {
$delta_element = $element;
}
else {
$original_delta = $field_state['original_deltas'][$delta];
$delta_element = $element[$original_delta];
}
foreach ($delta_violations as $violation) {
// @todo: Pass $violation->arrayPropertyPath as property path.
$error_element = $this
->errorElement($delta_element, $violation, $form, $form_state);
if ($error_element !== FALSE) {
$form_state
->setError($error_element, $violation
->getMessage());
}
}
}
/** @var \Symfony\Component\Validator\ConstraintViolationInterface[] $item_list_violations */
// Pass violations to the main element without going through
// errorElement() if the violations are at the ItemList level.
foreach ($item_list_violations as $violation) {
$form_state
->setError($element, $violation
->getMessage());
}
}
}
}