bundle();
$display = $displays[$bundle];
$entity->content['links'] = array(
'#type' => 'render_cache_placeholder',
'#callback' => '\Drupal\node\NodeViewBuilder::renderLinks',
'#context' => array(
'node_entity_id' => $entity->id(),
'view_mode' => $view_mode,
'langcode' => $langcode,
'in_preview' => !empty($entity->in_preview),
),
);
// Add Language field text element to node render array.
if ($display->getComponent('langcode')) {
$entity->content['langcode'] = array(
'#type' => 'item',
'#title' => t('Language'),
'#markup' => language_name($langcode),
'#prefix' => '',
'#suffix' => '
'
);
}
}
}
/**
* #post_render_cache callback; replaces the placeholder with node links.
*
* Renders the links on a node.
*
* @param array $context
* An array with the following keys:
* - node_entity_id: a node entity ID
* - view_mode: the view mode in which the node entity is being viewed
* - langcode: in which language the node entity is being viewed
* - in_preview: whether the node is currently being previewed
*
* @return array
* A renderable array representing the node links.
*/
public static function renderLinks(array $context) {
$links = array(
'#theme' => 'links__node',
'#pre_render' => array('drupal_pre_render_links'),
'#attributes' => array('class' => array('links', 'inline')),
);
if (!$context['in_preview']) {
$entity = entity_load('node', $context['node_entity_id']);
$links['node'] = self::buildLinks($entity, $context['view_mode']);
// Allow other modules to alter the node links.
$hook_context = array(
'view_mode' => $context['view_mode'],
'langcode' => $context['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) {
$links = array();
// Always display a read more link on teasers because we have no way
// to know when a teaser view is different than a full view.
if ($view_mode == 'teaser') {
$node_title_stripped = strip_tags($entity->label());
$links['node-readmore'] = array(
'title' => t('Read more about @title', array(
'@title' => $node_title_stripped,
)),
'href' => 'node/' . $entity->id(),
'html' => TRUE,
'attributes' => array(
'rel' => 'tag',
'title' => $node_title_stripped,
),
);
}
return array(
'#theme' => 'links__node__node',
'#links' => $links,
'#attributes' => array('class' => array('links', 'inline')),
);
}
/**
* {@inheritdoc}
*/
protected function alterBuild(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display, $view_mode, $langcode = NULL) {
parent::alterBuild($build, $entity, $display, $view_mode, $langcode);
if ($entity->id()) {
$build['#contextual_links']['node'] = array(
'route_parameters' =>array('node' => $entity->id()),
);
}
// The node 'submitted' info is not rendered in a standard way (renderable
// array) so we have to add a cache tag manually.
$build['#cache']['tags']['user'][] = $entity->getAuthorId();
}
}