function EntityFormDisplay::buildForm

Overrides EntityFormDisplayInterface::buildForm

File

core/lib/Drupal/Core/Entity/Entity/EntityFormDisplay.php, line 169

Class

EntityFormDisplay

Configuration entity that contains widget options for all components of a entity form in a given form mode.

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',
    ];
}