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