EntityLabel.php
Same filename in other branches
Namespace
Drupal\views\Plugin\views\fieldFile
-
core/
modules/ views/ src/ Plugin/ views/ field/ EntityLabel.php
View source
<?php
namespace Drupal\views\Plugin\views\field;
use Drupal\Core\Entity\EntityMalformedException;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Entity\Exception\UndefinedLinkTemplateException;
use Drupal\Core\Form\FormStateInterface;
use Drupal\views\ResultRow;
use Drupal\views\ViewExecutable;
use Drupal\views\Plugin\views\display\DisplayPluginBase;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Field handler to display entity label optionally linked to entity page.
*
* @ViewsField("entity_label")
*/
class EntityLabel extends FieldPluginBase {
/**
* Array of entities that reference to file.
*
* @var array
*/
protected $loadedReferencers = [];
/**
* EntityTypeManager class.
*
* @var \Drupal\Core\Entity\EntityTypeManagerInterface
*/
protected $entityTypeManager;
/**
* Constructs a EntityLabel object.
*
* @param array $configuration
* A configuration array containing information about the plugin instance.
* @param string $plugin_id
* The plugin_id for the plugin instance.
* @param mixed $plugin_definition
* The plugin implementation definition.
* @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
* The entity type manager.
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeManagerInterface $entity_type_manager) {
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->entityTypeManager = $entity_type_manager;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static($configuration, $plugin_id, $plugin_definition, $container->get('entity_type.manager'));
}
/**
* {@inheritdoc}
*/
public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL) {
parent::init($view, $display, $options);
$this->additional_fields[$this->definition['entity type field']] = $this->definition['entity type field'];
}
/**
* {@inheritdoc}
*/
protected function defineOptions() {
$options = parent::defineOptions();
$options['link_to_entity'] = [
'default' => FALSE,
];
return $options;
}
/**
* {@inheritdoc}
*/
public function buildOptionsForm(&$form, FormStateInterface $form_state) {
$form['link_to_entity'] = [
'#title' => $this->t('Link to entity'),
'#description' => $this->t('Make entity label a link to entity page.'),
'#type' => 'checkbox',
'#default_value' => !empty($this->options['link_to_entity']),
];
parent::buildOptionsForm($form, $form_state);
}
/**
* {@inheritdoc}
*/
public function render(ResultRow $values) {
$type = $this->getValue($values, $this->definition['entity type field']);
$value = $this->getValue($values);
if (empty($this->loadedReferencers[$type][$value])) {
return;
}
/** @var $entity \Drupal\Core\Entity\EntityInterface */
$entity = $this->loadedReferencers[$type][$value];
if (!empty($this->options['link_to_entity'])) {
try {
$this->options['alter']['url'] = $entity->toUrl();
$this->options['alter']['make_link'] = TRUE;
} catch (UndefinedLinkTemplateException $e) {
$this->options['alter']['make_link'] = FALSE;
} catch (EntityMalformedException $e) {
$this->options['alter']['make_link'] = FALSE;
}
}
return $this->sanitizeValue($entity->label());
}
/**
* {@inheritdoc}
*/
public function preRender(&$values) {
parent::preRender($values);
$entity_ids_per_type = [];
foreach ($values as $value) {
if ($type = $this->getValue($value, 'type')) {
$entity_ids_per_type[$type][] = $this->getValue($value);
}
}
foreach ($entity_ids_per_type as $type => $ids) {
$this->loadedReferencers[$type] = $this->entityTypeManager
->getStorage($type)
->loadMultiple($ids);
}
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
EntityLabel | Field handler to display entity label optionally linked to entity page. |
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