function EntityFormDisplay::buildForm

File

core/lib/Drupal/Core/Entity/Entity/EntityFormDisplay.php, line 174

Class

EntityFormDisplay

Configuration entity.

Namespace

Code

public function buildForm(FieldableEntityInterface $entity, array &$form, FormStateInterface $form_state) {
  // Set #parents to 'top-level' by default.
  $form += [
    '#parents' => [],
  ];
  // Let each widget generate the form elements.
  foreach ($this->getComponents() as $name => $options) {
    if ($widget = $this->getRenderer($name)) {
      $items = $entity->get($name);
      $items->filterEmptyItems();
      $form[$name] = $widget->form($items, $form, $form_state);
      $form[$name]['#access'] = $items->access('edit');
      // Assign the correct weight. This duplicates the reordering done in
      // processForm(), but is needed for other forms calling this method
      // directly.
      $form[$name]['#weight'] = $options['weight'];
      // Associate the cache tags for the field definition & field storage
      // definition.
      $field_definition = $this->getFieldDefinition($name);
      $this->renderer
        ->addCacheableDependency($form[$name], $field_definition);
      $this->renderer
        ->addCacheableDependency($form[$name], $field_definition->getFieldStorageDefinition());
    }
  }
  // Associate the cache tags for the form display.
  $this->renderer
    ->addCacheableDependency($form, $this);
  // Add a process callback so we can assign weights and hide extra fields.
  $form['#process'][] = [
    $this,
    'processForm',
  ];
}