Mercurial > hg > isophonics-drupal-site
view core/modules/node/src/NodeViewBuilder.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
parents | |
children | 1fec387a4317 |
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<?php namespace Drupal\node; use Drupal\Core\Entity\Display\EntityViewDisplayInterface; use Drupal\Core\Entity\EntityInterface; use Drupal\Core\Entity\EntityViewBuilder; use Drupal\node\Entity\Node; /** * View builder handler for nodes. */ class NodeViewBuilder extends EntityViewBuilder { /** * {@inheritdoc} */ public function buildComponents(array &$build, array $entities, array $displays, $view_mode) { /** @var \Drupal\node\NodeInterface[] $entities */ if (empty($entities)) { return; } parent::buildComponents($build, $entities, $displays, $view_mode); foreach ($entities as $id => $entity) { $bundle = $entity->bundle(); $display = $displays[$bundle]; if ($display->getComponent('links')) { $build[$id]['links'] = [ '#lazy_builder' => [ get_called_class() . '::renderLinks', [ $entity->id(), $view_mode, $entity->language()->getId(), !empty($entity->in_preview), ], ], ]; } // Add Language field text element to node render array. if ($display->getComponent('langcode')) { $build[$id]['langcode'] = [ '#type' => 'item', '#title' => t('Language'), '#markup' => $entity->language()->getName(), '#prefix' => '<div id="field-language-display">', '#suffix' => '</div>' ]; } } } /** * {@inheritdoc} */ protected function getBuildDefaults(EntityInterface $entity, $view_mode) { $defaults = parent::getBuildDefaults($entity, $view_mode); // Don't cache nodes that are in 'preview' mode. if (isset($defaults['#cache']) && isset($entity->in_preview)) { unset($defaults['#cache']); } return $defaults; } /** * #lazy_builder callback; builds a node's links. * * @param string $node_entity_id * The node entity ID. * @param string $view_mode * The view mode in which the node entity is being viewed. * @param string $langcode * The language in which the node entity is being viewed. * @param bool $is_in_preview * Whether the node is currently being previewed. * * @return array * A renderable array representing the node links. */ public static function renderLinks($node_entity_id, $view_mode, $langcode, $is_in_preview) { $links = [ '#theme' => 'links__node', '#pre_render' => ['drupal_pre_render_links'], '#attributes' => ['class' => ['links', 'inline']], ]; if (!$is_in_preview) { $entity = Node::load($node_entity_id)->getTranslation($langcode); $links['node'] = static::buildLinks($entity, $view_mode); // Allow other modules to alter the node links. $hook_context = [ 'view_mode' => $view_mode, 'langcode' => $langcode, ]; \Drupal::moduleHandler()->alter('node_links', $links, $entity, $hook_context); } return $links; } /** * Build the default links (Read more) for a node. * * @param \Drupal\node\NodeInterface $entity * The node object. * @param string $view_mode * A view mode identifier. * * @return array * An array that can be processed by drupal_pre_render_links(). */ protected static function buildLinks(NodeInterface $entity, $view_mode) { $links = []; // Always display a read more link on teasers because we have no way // to know when a teaser view is different than a full view. if ($view_mode == 'teaser') { $node_title_stripped = strip_tags($entity->label()); $links['node-readmore'] = [ 'title' => t('Read more<span class="visually-hidden"> about @title</span>', [ '@title' => $node_title_stripped, ]), 'url' => $entity->urlInfo(), 'language' => $entity->language(), 'attributes' => [ 'rel' => 'tag', 'title' => $node_title_stripped, ], ]; } return [ '#theme' => 'links__node__node', '#links' => $links, '#attributes' => ['class' => ['links', 'inline']], ]; } /** * {@inheritdoc} */ protected function alterBuild(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display, $view_mode) { /** @var \Drupal\node\NodeInterface $entity */ parent::alterBuild($build, $entity, $display, $view_mode); if ($entity->id()) { if ($entity->isDefaultRevision()) { $build['#contextual_links']['node'] = [ 'route_parameters' => ['node' => $entity->id()], 'metadata' => ['changed' => $entity->getChangedTime()], ]; } else { $build['#contextual_links']['node_revision'] = [ 'route_parameters' => [ 'node' => $entity->id(), 'node_revision' => $entity->getRevisionId(), ], 'metadata' => ['changed' => $entity->getChangedTime()], ]; } } } }