function WidgetBase::afterBuild

After-build handler for field elements in a form.

This stores the final location of the field within the form structure so that flagErrors() can assign validation errors to the right form element.

File

core/lib/Drupal/Core/Field/WidgetBase.php, line 306

Class

WidgetBase

Base class for 'Field widget' plugin implementations.

Namespace

Drupal\Core\Field

Code

public static function afterBuild(array $element, FormStateInterface $form_state) {
    $parents = $element['#field_parents'];
    $field_name = $element['#field_name'];
    $field_state = static::getWidgetState($parents, $field_name, $form_state);
    $field_state['array_parents'] = $element['#array_parents'];
    static::setWidgetState($parents, $field_name, $form_state, $field_state);
    return $element;
}