/**
* #post_render_cache callback; replaces placeholder with comment form.
*
* @param array $element
* The renderable array that contains the to be replaced placeholder.
* @param array $context
* An array with the following keys:
* - entity_type: an entity type
* - entity_id: an entity ID
* - field_name: a comment field name
* - comment_type: the comment type
*
* @return array
* A renderable array containing the comment form.
*/
public function renderForm(array $element, array $context)
{
$values = array('entity_type' => $context['entity_type'], 'entity_id' => $context['entity_id'], 'field_name' => $context['field_name'], 'comment_type' => $context['comment_type'], 'pid' => NULL);
$comment = $this->entityManager->getStorage('comment')->create($values);
$form = $this->entityFormBuilder->getForm($comment);
$markup = $this->renderer->render($form);
$callback = 'comment.post_render_cache:renderForm';
$placeholder = $this->generatePlaceholder($callback, $context);
$element['#markup'] = str_replace($placeholder, $markup, $element['#markup']);
$element = $this->renderer->mergeBubbleableMetadata($element, $form);
return $element;
}
/**
* #post_render_cache callback; replaces placeholder with comment form.
*
* @param array $element
* The renderable array that contains the to be replaced placeholder.
* @param array $context
* An array with the following keys:
* - entity_type: an entity type
* - entity_id: an entity ID
* - field_name: a comment field name
*
* @return array
* A renderable array containing the comment form.
*/
public function renderForm(array $element, array $context)
{
$field_name = $context['field_name'];
$entity = $this->entityManager->getStorage($context['entity_type'])->load($context['entity_id']);
$field_storage = FieldStorageConfig::loadByName($entity->getEntityTypeId(), $field_name);
$values = array('entity_type' => $entity->getEntityTypeId(), 'entity_id' => $entity->id(), 'field_name' => $field_name, 'comment_type' => $field_storage->getSetting('bundle'), 'pid' => NULL);
$comment = $this->entityManager->getStorage('comment')->create($values);
$form = $this->entityFormBuilder->getForm($comment);
$markup = $this->renderer->render($form);
$callback = 'comment.post_render_cache:renderForm';
$placeholder = $this->generatePlaceholder($callback, $context);
$element['#markup'] = str_replace($placeholder, $markup, $element['#markup']);
$element = Renderer::mergeBubbleableMetadata($element, $form);
return $element;
}
/**
* Invokes the page attachment hooks.
*
* @param array &$page
* A #type 'page' render array, for which the page attachment hooks will be
* invoked and to which the results will be added.
*
* @throws \LogicException
*
* @internal
*
* @see hook_page_attachments()
* @see hook_page_attachments_alter()
*/
public function invokePageAttachmentHooks(array &$page)
{
// Modules can add attachments.
$attachments = [];
foreach ($this->moduleHandler->getImplementations('page_attachments') as $module) {
$function = $module . '_page_attachments';
$function($attachments);
}
if (array_diff(array_keys($attachments), ['#attached', '#post_render_cache']) !== []) {
throw new \LogicException('Only #attached and #post_render_cache may be set in hook_page_attachments().');
}
// Modules and themes can alter page attachments.
$this->moduleHandler->alter('page_attachments', $attachments);
\Drupal::theme()->alter('page_attachments', $attachments);
if (array_diff(array_keys($attachments), ['#attached', '#post_render_cache']) !== []) {
throw new \LogicException('Only #attached and #post_render_cache may be set in hook_page_attachments_alter().');
}
// Merge the attachments onto the $page render array.
$page = Renderer::mergeBubbleableMetadata($page, $attachments);
}
