public CommentViewBuilder::buildComponents(array &$build, array $entities, array $displays, $view_mode)
In addition to modifying the content key on entities, this implementation will also set the comment entity key which all comments carry.
Throws
\InvalidArgumentException Thrown when a comment is attached to an entity that no longer exists.
Overrides EntityViewBuilder::buildComponents
File
- core/modules/comment/src/CommentViewBuilder.php, line 84
Class
- CommentViewBuilder
- View builder handler for comments.
Namespace
Drupal\comment
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | public function buildComponents(array &$build, array $entities, array $displays, $view_mode) { /** @var \Drupal\comment\CommentInterface[] $entities */ if (empty($entities)) { return; } // Pre-load associated users into cache to leverage multiple loading. $uids = array(); foreach ($entities as $entity) { $uids[] = $entity->getOwnerId(); } $this->entityManager->getStorage('user')->loadMultiple(array_unique($uids)); parent::buildComponents($build, $entities, $displays, $view_mode); // A counter to track the indentation level. $current_indent = 0; foreach ($entities as $id => $entity) { if ($build[$id]['#comment_threaded']) { $comment_indent = count(explode('.', $entity->getThread())) - 1; if ($comment_indent > $current_indent) { // Set 1 to indent this comment from the previous one (its parent). // Set only one extra level of indenting even if the difference in // depth is higher. $build[$id]['#comment_indent'] = 1; $current_indent++; } else { // Set zero if this comment is on the same level as the previous one // or negative value to point an amount indents to close. $build[$id]['#comment_indent'] = $comment_indent - $current_indent; $current_indent = $comment_indent; } } // Commented entities already loaded after self::getBuildDefaults(). $commented_entity = $entity->getCommentedEntity(); $build[$id]['#entity'] = $entity; $build[$id]['#theme'] = 'comment__' . $entity->getFieldName() . '__' . $commented_entity->bundle(); $display = $displays[$entity->bundle()]; if ($display->getComponent('links')) { $build[$id]['links'] = array( '#lazy_builder' => ['comment.lazy_builders:renderLinks', [ $entity->id(), $view_mode, $entity->language()->getId(), !empty($entity->in_preview), ]], '#create_placeholder' => TRUE, ); } if (!isset($build[$id]['#attached'])) { $build[$id]['#attached'] = array(); } $build[$id]['#attached']['library'][] = 'comment/drupal.comment-by-viewer'; if ($this->moduleHandler->moduleExists('history') && $this->currentUser->isAuthenticated()) { $build[$id]['#attached']['library'][] = 'comment/drupal.comment-new-indicator'; // Embed the metadata for the comment "new" indicators on this node. $build[$id]['history'] = [ '#lazy_builder' => ['history_attach_timestamp', [$commented_entity->id()]], '#create_placeholder' => TRUE, ]; } } if ($build[$id]['#comment_threaded']) { // The final comment must close up some hanging divs. $build[$id]['#comment_indent_final'] = $current_indent; }} |
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