function FieldTestHooks::alterWidget

Sets up alterations for widget alter tests.

See also

\Drupal\field\Tests\FormTest::widgetAlterTest()

File

core/modules/field/tests/modules/field_test/src/Hook/FieldTestHooks.php, line 216

Class

FieldTestHooks

Hook implementations for field_test.

Namespace

Code

public function alterWidget($hook, array &$field_widget_complete_form, FormStateInterface $form_state, array $context) : void {
    $elements =& $field_widget_complete_form['widget'];
    // Set a message if this is for the form displayed to set default value for
    // the field.
    if ($context['default']) {
        \Drupal::messenger()->addStatus("From {$hook}(): Default form is true.");
    }
    $alter_info = \Drupal::state()->get("field_test.widget_alter_test");
    $name = $context['items']->getFieldDefinition()
        ->getName();
    if (!empty($alter_info) && $hook === $alter_info['hook'] && $name === $alter_info['field_name']) {
        $elements['#prefix'] = "From {$hook}(): prefix on {$name} parent element.";
        foreach (Element::children($elements) as $delta => $element) {
            $elements[$delta]['#suffix'] = "From {$hook}(): suffix on {$name} child element.";
        }
    }
}