www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/field/tests/modules/field_test/src/Form/NestedEntityTestForm.php

   1 <?php
   2
   3 namespace Drupal\field_test\Form;
   4
   5 use Drupal\Core\Entity\EntityChangedInterface;
   6 use Drupal\Core\Entity\EntityInterface;
   7 use Drupal\Core\Form\FormBase;
   8 use Drupal\Core\Form\FormStateInterface;
   9 use Drupal\Core\Entity\Entity\EntityFormDisplay;
  10
  11 /**
  12  * Provides a form for field_test routes.
  13  *
  14  * @internal
  15  */
  16 class NestedEntityTestForm extends FormBase {
  17
  18   /**
  19    * {@inheritdoc]
  20    */
  21   public function getFormId() {
  22     return 'field_test_entity_nested_form';
  23   }
  24
  25   /**
  26    * {@inheritdoc]
  27    */
  28   public function buildForm(array $form, FormStateInterface $form_state, EntityInterface $entity_1 = NULL, EntityInterface $entity_2 = NULL) {
  29     // First entity.
  30     $form_state->set('entity_1', $entity_1);
  31     $form_display_1 = EntityFormDisplay::collectRenderDisplay($entity_1, 'default');
  32     $form_state->set('form_display_1', $form_display_1);
  33     $form_display_1->buildForm($entity_1, $form, $form_state);
  34
  35     // Second entity.
  36     $form_state->set('entity_2', $entity_2);
  37     $form_display_2 = EntityFormDisplay::collectRenderDisplay($entity_2, 'default');
  38     $form_state->set('form_display_2', $form_display_2);
  39     $form['entity_2'] = [
  40       '#type' => 'details',
  41       '#title' => t('Second entity'),
  42       '#tree' => TRUE,
  43       '#parents' => ['entity_2'],
  44       '#weight' => 50,
  45       '#attributes' => ['class' => ['entity-2']],
  46     ];
  47
  48     $form_display_2->buildForm($entity_2, $form['entity_2'], $form_state);
  49
  50     if ($entity_2 instanceof EntityChangedInterface) {
  51       // Changed must be sent to the client, for later overwrite error checking.
  52       // @see \Drupal\Tests\field\Functional\NestedFormTest::testNestedEntityFormEntityLevelValidation()
  53       $form['entity_2']['changed'] = [
  54         '#type' => 'hidden',
  55         '#default_value' => $entity_1->getChangedTime(),
  56       ];
  57     }
  58
  59     $form['save'] = [
  60       '#type' => 'submit',
  61       '#value' => t('Save'),
  62       '#weight' => 100,
  63     ];
  64
  65     return $form;
  66   }
  67
  68   /**
  69    * {@inheritdoc]
  70    */
  71   public function validateForm(array &$form, FormStateInterface $form_state) {
  72     $entity_1 = $form_state->get('entity_1');
  73     /** @var \Drupal\Core\Entity\Display\EntityFormDisplayInterface $form_display_1 */
  74     $form_display_1 = $form_state->get('form_display_1');
  75     $form_display_1->extractFormValues($entity_1, $form, $form_state);
  76     $form_display_1->validateFormValues($entity_1, $form, $form_state);
  77
  78     $entity_2 = $form_state->get('entity_2');
  79     /** @var \Drupal\Core\Entity\Display\EntityFormDisplayInterface $form_display_2 */
  80     $form_display_2 = $form_state->get('form_display_2');
  81     $extracted = $form_display_2->extractFormValues($entity_2, $form['entity_2'], $form_state);
  82     // Extract the values of fields that are not rendered through widgets, by
  83     // simply copying from top-level form values. This leaves the fields that
  84     // are not being edited within this form untouched.
  85     // @see \Drupal\Tests\field\Functional\NestedFormTest::testNestedEntityFormEntityLevelValidation()
  86     foreach ($form_state->getValues()['entity_2'] as $name => $values) {
  87       if ($entity_2->hasField($name) && !isset($extracted[$name])) {
  88         $entity_2->set($name, $values);
  89       }
  90     }
  91     $form_display_2->validateFormValues($entity_2, $form['entity_2'], $form_state);
  92   }
  93
  94   /**
  95    * {@inheritdoc}
  96    */
  97   public function submitForm(array &$form, FormStateInterface $form_state) {
  98     /** @var \Drupal\Core\Entity\EntityInterface $entity_1 */
  99     $entity_1 = $form_state->get('entity_1');
 100     $entity_1->save();
 101
 102     /** @var \Drupal\Core\Entity\EntityInterface $entity_2 */
 103     $entity_2 = $form_state->get('entity_2');
 104     $entity_2->save();
 105
 106     $this->messenger()->addStatus($this->t('test_entities @id_1 and @id_2 have been updated.', ['@id_1' => $entity_1->id(), '@id_2' => $entity_2->id()]));
 107   }
 108
 109 }