/**
* {@inheritdoc}
*/
public function viewElements(FieldItemListInterface $items)
{
$elements = array();
$output = array();
$field_name = $this->fieldDefinition->getName();
$entity = $items->getEntity();
$status = $items->status;
if ($status != CommentItemInterface::HIDDEN && empty($entity->in_preview) && !in_array($this->viewMode, array('search_result', 'search_index'))) {
$comment_settings = $this->getFieldSettings();
// Only attempt to render comments if the entity has visible comments.
// Unpublished comments are not included in
// $entity->get($field_name)->comment_count, but unpublished comments
// should display if the user is an administrator.
$elements['#cache']['contexts'][] = 'user.roles';
if ($this->currentUser->hasPermission('access comments') || $this->currentUser->hasPermission('administer comments')) {
// This is a listing of Comment entities, so associate its list cache
// tag for correct invalidation.
$output['comments']['#cache']['tags'] = $this->entityManager->getDefinition('comment')->getListCacheTags();
if ($entity->get($field_name)->comment_count || $this->currentUser->hasPermission('administer comments')) {
$mode = $comment_settings['default_mode'];
$comments_per_page = $comment_settings['per_page'];
$comments = $this->storage->loadThread($entity, $field_name, $mode, $comments_per_page, $this->getSetting('pager_id'));
if ($comments) {
comment_prepare_thread($comments);
$build = $this->viewBuilder->viewMultiple($comments);
$build['pager']['#type'] = 'pager';
if ($this->getSetting('pager_id')) {
$build['pager']['#element'] = $this->getSetting('pager_id');
}
$output['comments'] += $build;
}
}
}
// Append comment form if the comments are open and the form is set to
// display below the entity. Do not show the form for the print view mode.
if ($status == CommentItemInterface::OPEN && $comment_settings['form_location'] == CommentItemInterface::FORM_BELOW && $this->viewMode != 'print') {
// Only show the add comment form if the user has permission.
$elements['#cache']['contexts'][] = 'user.roles';
if ($this->currentUser->hasPermission('post comments')) {
// All users in the "anonymous" role can use the same form: it is fine
// for this form to be stored in the render cache.
if ($this->currentUser->isAnonymous()) {
$comment = $this->storage->create(array('entity_type' => $entity->getEntityTypeId(), 'entity_id' => $entity->id(), 'field_name' => $field_name, 'comment_type' => $this->getFieldSetting('comment_type'), 'pid' => NULL));
$output['comment_form'] = $this->entityFormBuilder->getForm($comment);
} else {
$callback = 'comment.post_render_cache:renderForm';
$context = array('entity_type' => $entity->getEntityTypeId(), 'entity_id' => $entity->id(), 'field_name' => $field_name);
$placeholder = drupal_render_cache_generate_placeholder($callback, $context);
$output['comment_form'] = array('#post_render_cache' => array($callback => array($context)), '#markup' => $placeholder);
}
}
}
$elements[] = $output + array('#comment_type' => $this->getFieldSetting('comment_type'), '#comment_display_mode' => $this->getFieldSetting('default_mode'), 'comments' => array(), 'comment_form' => array());
}
return $elements;
}
/**
* {@inheritdoc}
*/
public function viewElements(FieldItemListInterface $items)
{
$elements = array();
$output = array();
$field_name = $this->fieldDefinition->getName();
$entity = $items->getEntity();
$status = $items->status;
if ($status != CommentItemInterface::HIDDEN && empty($entity->in_preview) && !in_array($this->viewMode, array('search_result', 'search_index'))) {
$comment_settings = $this->getFieldSettings();
// Only attempt to render comments if the entity has visible comments.
// Unpublished comments are not included in
// $entity->get($field_name)->comment_count, but unpublished comments
// should display if the user is an administrator.
$elements['#cache']['contexts'][] = 'user.permissions';
if ($this->currentUser->hasPermission('access comments') || $this->currentUser->hasPermission('administer comments')) {
$output['comments'] = [];
if ($entity->get($field_name)->comment_count || $this->currentUser->hasPermission('administer comments')) {
$mode = $comment_settings['default_mode'];
$comments_per_page = $comment_settings['per_page'];
$comments = $this->storage->loadThread($entity, $field_name, $mode, $comments_per_page, $this->getSetting('pager_id'));
if ($comments) {
$build = $this->viewBuilder->viewMultiple($comments);
$build['pager']['#type'] = 'pager';
if ($this->getSetting('pager_id')) {
$build['pager']['#element'] = $this->getSetting('pager_id');
}
$output['comments'] += $build;
}
}
}
// Append comment form if the comments are open and the form is set to
// display below the entity. Do not show the form for the print view mode.
if ($status == CommentItemInterface::OPEN && $comment_settings['form_location'] == CommentItemInterface::FORM_BELOW && $this->viewMode != 'print') {
// Only show the add comment form if the user has permission.
$elements['#cache']['contexts'][] = 'user.roles';
if ($this->currentUser->hasPermission('post comments')) {
$output['comment_form'] = ['#lazy_builder' => ['comment.lazy_builders:renderForm', [$entity->getEntityTypeId(), $entity->id(), $field_name, $this->getFieldSetting('comment_type')]]];
// @todo Remove this in https://www.drupal.org/node/2543334. Until
// then, \Drupal\Core\Render\Renderer::hasPoorCacheability() isn't
// integrated with cache context bubbling, so this duplicates the
// contexts added by \Drupal\comment\CommentForm::form().
$output['comment_form']['#cache']['contexts'][] = 'user.permissions';
$output['comment_form']['#cache']['contexts'][] = 'user.roles:authenticated';
if ($this->currentUser->isAuthenticated()) {
$output['comment_form']['#cache']['contexts'][] = 'user';
}
}
}
$elements[] = $output + array('#comment_type' => $this->getFieldSetting('comment_type'), '#comment_display_mode' => $this->getFieldSetting('default_mode'), 'comments' => array(), 'comment_form' => array());
}
return $elements;
}
/**
* {@inheritdoc}
*/
public function viewElements(FieldItemListInterface $items, $langcode)
{
$elements = array();
$output = array();
$field_name = $this->fieldDefinition->getName();
$entity = $items->getEntity();
$status = $items->status;
if ($status != CommentItemInterface::HIDDEN && empty($entity->in_preview) && !in_array($this->viewMode, array('search_result', 'search_index'))) {
$comment_settings = $this->getFieldSettings();
// Only attempt to render comments if the entity has visible comments.
// Unpublished comments are not included in
// $entity->get($field_name)->comment_count, but unpublished comments
// should display if the user is an administrator.
$elements['#cache']['contexts'][] = 'user.permissions';
if ($this->currentUser->hasPermission('access comments') || $this->currentUser->hasPermission('administer comments')) {
$output['comments'] = [];
if ($entity->get($field_name)->comment_count || $this->currentUser->hasPermission('administer comments')) {
$mode = $comment_settings['default_mode'];
$comments_per_page = $comment_settings['per_page'];
$comments = $this->storage->loadThread($entity, $field_name, $mode, $comments_per_page, $this->getSetting('pager_id'));
if ($comments) {
$build = $this->viewBuilder->viewMultiple($comments);
$build['pager']['#type'] = 'pager';
// CommentController::commentPermalink() calculates the page number
// where a specific comment appears and does a subrequest pointing to
// that page, we need to pass that subrequest route to our pager to
// keep the pager working.
$build['pager']['#route_name'] = $this->routeMatch->getRouteObject();
$build['pager']['#route_parameters'] = $this->routeMatch->getRawParameters()->all();
if ($this->getSetting('pager_id')) {
$build['pager']['#element'] = $this->getSetting('pager_id');
}
$output['comments'] += $build;
}
}
}
// Append comment form if the comments are open and the form is set to
// display below the entity. Do not show the form for the print view mode.
if ($status == CommentItemInterface::OPEN && $comment_settings['form_location'] == CommentItemInterface::FORM_BELOW && $this->viewMode != 'print') {
// Only show the add comment form if the user has permission.
$elements['#cache']['contexts'][] = 'user.roles';
if ($this->currentUser->hasPermission('post comments')) {
$output['comment_form'] = ['#lazy_builder' => ['comment.lazy_builders:renderForm', [$entity->getEntityTypeId(), $entity->id(), $field_name, $this->getFieldSetting('comment_type')]], '#create_placeholder' => TRUE];
}
}
$elements[] = $output + array('#comment_type' => $this->getFieldSetting('comment_type'), '#comment_display_mode' => $this->getFieldSetting('default_mode'), 'comments' => array(), 'comment_form' => array());
}
return $elements;
}
/**
* {@inheritdoc}
*/
public function viewElements(FieldItemListInterface $items)
{
$elements = array();
$output = array();
$field_name = $this->fieldDefinition->getName();
$entity = $items->getEntity();
$status = $items->status;
if ($status != CommentItemInterface::HIDDEN && empty($entity->in_preview) && !in_array($this->viewMode, array('search_result', 'search_index'))) {
$comment_settings = $this->getFieldSettings();
// Only attempt to render comments if the entity has visible comments.
// Unpublished comments are not included in
// $entity->get($field_name)->comment_count, but unpublished comments
// should display if the user is an administrator.
if ($entity->get($field_name)->comment_count && $this->currentUser->hasPermission('access comments') || $this->currentUser->hasPermission('administer comments')) {
$mode = $comment_settings['default_mode'];
$comments_per_page = $comment_settings['per_page'];
$comments = $this->storage->loadThread($entity, $field_name, $mode, $comments_per_page, $this->getSetting('pager_id'));
if ($comments) {
comment_prepare_thread($comments);
$build = $this->viewBuilder->viewMultiple($comments);
$build['pager']['#theme'] = 'pager';
if ($this->getSetting('pager_id')) {
$build['pager']['#element'] = $this->getSetting('pager_id');
}
// The viewElements() method of entity field formatters is run
// during the #pre_render phase of rendering an entity. A formatter
// builds the content of the field in preparation for theming.
// All entity cache tags must be available after the #pre_render phase.
// This field formatter is highly exceptional: it renders *another*
// entity and this referenced entity has its own #pre_render
// callbacks. In order collect the cache tags associated with the
// referenced entity it must be passed to drupal_render() so that its
// #pre_render callbacks are invoked and its full build array is
// assembled. Rendering the referenced entity in place here will allow
// its cache tags to be bubbled up and included with those of the
// main entity when cache tags are collected for a renderable array
// in drupal_render().
drupal_render($build, TRUE);
$output['comments'] = $build;
}
}
// Append comment form if the comments are open and the form is set to
// display below the entity. Do not show the form for the print view mode.
if ($status == CommentItemInterface::OPEN && $comment_settings['form_location'] == COMMENT_FORM_BELOW && $this->viewMode != 'print') {
// Only show the add comment form if the user has permission.
if ($this->currentUser->hasPermission('post comments')) {
// All users in the "anonymous" role can use the same form: it is fine
// for this form to be stored in the render cache.
if ($this->currentUser->isAnonymous()) {
$comment = $this->storage->create(array('entity_type' => $entity->getEntityTypeId(), 'entity_id' => $entity->id(), 'field_name' => $field_name, 'comment_type' => $this->getFieldSetting('comment_type'), 'pid' => NULL));
$output['comment_form'] = $this->entityFormBuilder->getForm($comment);
} else {
$callback = 'comment.post_render_cache:renderForm';
$context = array('entity_type' => $entity->getEntityTypeId(), 'entity_id' => $entity->id(), 'field_name' => $field_name);
$placeholder = drupal_render_cache_generate_placeholder($callback, $context);
$output['comment_form'] = array('#post_render_cache' => array($callback => array($context)), '#markup' => $placeholder);
}
}
}
$elements[] = $output + array('#comment_type' => $this->getFieldSetting('comment_type'), '#comment_display_mode' => $this->getFieldSetting('default_mode'), 'comments' => array(), 'comment_form' => array());
}
return $elements;
}