/**
* {@inheritdoc}
*
* Builds the entity listing as renderable array for table.html.twig.
*
* @todo Add a link to add a new item to the #empty text.
*/
public function render()
{
$build['table'] = array('#type' => 'table', '#header' => $this->buildHeader(), '#title' => $this->getTitle(), '#rows' => array(), '#empty' => $this->t('There is no @label yet.', array('@label' => $this->entityType->getLabel())), '#cache' => ['contexts' => $this->entityType->getListCacheContexts(), 'tags' => $this->entityType->getListCacheTags()]);
foreach ($this->load() as $entity) {
if ($row = $this->buildRow($entity)) {
$build['table']['#rows'][$entity->id()] = $row;
}
}
// Only add the pager if a limit is specified.
if ($this->limit) {
$build['pager'] = array('#type' => 'pager');
}
return $build;
}
/**
* Returns a renderable forum index page array.
*
* @param array $forums
* A list of forums.
* @param \Drupal\taxonomy\TermInterface $term
* The taxonomy term of the forum.
* @param array $topics
* The topics of this forum.
* @param array $parents
* The parent forums in relation this forum.
* @param array $header
* Array of header cells.
*
* @return array
* A render array.
*/
protected function build($forums, TermInterface $term, $topics = array(), $parents = array(), $header = array())
{
$config = $this->config('forum.settings');
$build = array('#theme' => 'forums', '#forums' => $forums, '#topics' => $topics, '#parents' => $parents, '#header' => $header, '#term' => $term, '#sortby' => $config->get('topics.order'), '#forums_per_page' => $config->get('topics.page_limit'));
if (empty($term->forum_container->value)) {
$build['#attached']['feed'][] = array('taxonomy/term/' . $term->id() . '/feed', 'RSS - ' . $term->getName());
}
$this->renderer->addCacheableDependency($build, $config);
foreach ($forums as $forum) {
$this->renderer->addCacheableDependency($build, $forum);
}
foreach ($topics as $topic) {
$this->renderer->addCacheableDependency($build, $topic);
}
foreach ($parents as $parent) {
$this->renderer->addCacheableDependency($build, $parent);
}
$this->renderer->addCacheableDependency($build, $term);
return ['action' => $this->buildActionLinks($config->get('vocabulary'), $term), 'forum' => $build, '#cache' => ['tags' => Cache::mergeTags($this->nodeEntityTypeDefinition->getListCacheTags(), $this->commentEntityTypeDefinition->getListCacheTags())]];
}
/**
* Invalidates an entity's cache tags upon delete.
*
* @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
* The entity type definition.
* @param \Drupal\Core\Entity\EntityInterface[] $entities
* An array of entities.
*/
protected static function invalidateTagsOnDelete(EntityTypeInterface $entity_type, array $entities)
{
$tags = $entity_type->getListCacheTags();
foreach ($entities as $entity) {
// An entity was deleted: invalidate its own cache tag, but also its list
// cache tags. (A deleted entity may cause changes in a paged list on
// other pages than the one it's on. The one it's on is handled by its own
// cache tag, but subsequent list pages would not be invalidated, hence we
// must invalidate its list cache tags as well.)
$tags = Cache::mergeTags($tags, $entity->getCacheTags());
}
Cache::invalidateTags($tags);
}
/**
* {@inheritdoc}
*
* Override to never invalidate the individual entities' cache tags; the
* config system already invalidates them.
*/
protected static function invalidateTagsOnDelete(EntityTypeInterface $entity_type, array $entities)
{
Cache::invalidateTags($entity_type->getListCacheTags());
}
/**
* {@inheritdoc}
*/
public function getCacheTags() {
$cache_tags = Cache::mergeTags(parent::getCacheTags(), $this->view->storage->getCacheTags());
$cache_tags = Cache::mergeTags($cache_tags, $this->targetEntityType->getListCacheTags());
return $cache_tags;
}
