Node.php in Freelinking 4.0.x

Namespace

Drupal\freelinking\Plugin\freelinking

File

src/Plugin/freelinking/Node.php

<?php

namespace Drupal\freelinking\Plugin\freelinking;

use Drupal\freelinking\Plugin\FreelinkingPluginBase;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Url;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\node\NodeInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Node ID freelinking plugin.
 *
 * Allows for a link link [[node:<nid>]], [[n:<nid>]], or [[node:<nid>]] to be
 * expanded to a link to the node with the title associated with that node ID.
 * A "could not find nid" message is displayed if the node could not be found.
 *
 * @Freelinking(
 *   id = "nid",
 *   title = @Translation("Node ID"),
 *   weight = 0,
 *   hidden = false,
 *   settings = {  }
 * )
 */
class Node extends FreelinkingPluginBase implements ContainerFactoryPluginInterface {

  /**
   * Entity Type Manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * Initialize method.
   *
   * @param array $configuration
   *   The configuration array.
   * @param string $plugin_id
   *   The plugin identifier.
   * @param array $plugin_definition
   *   The plugin definition array.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
   *   The entity type manager.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeManagerInterface $entityTypeManager) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->entityTypeManager = $entityTypeManager;
  }

  /**
   * {@inheritdoc}
   */
  public function getIndicator() {
    return '/(n(id|ode)?)$/A';
  }

  /**
   * {@inheritdoc}
   */
  public function getTip() {
    return $this
      ->t('Click to view a local node');
  }

  /**
   * {@inheritdoc}
   */
  public function buildLink(array $target) {

    // Failover.
    $link = [
      '#theme' => 'freelink_error',
      '#plugin' => 'nid',
    ];

    // Attempt to load the node by the node ID provided by target destination.
    $node = $this->entityTypeManager
      ->getStorage('node')
      ->load($target['dest']);
    if (NULL !== $node && $node instanceof NodeInterface) {

      // Get target.
      if ($target['language']
        ->getId() !== $node
        ->language()
        ->getId()) {
        $node = $node
          ->getTranslation($target['language']
          ->getId());
      }
      $link = [
        '#type' => 'link',
        '#title' => isset($target['text']) ? $target['text'] : $node
          ->label(),
        '#url' => Url::fromRoute('entity.node.canonical', [
          'node' => $node
            ->id(),
        ], [
          'language' => $target['language'],
        ]),
        '#attributes' => [
          'title' => isset($target['tooltip']) ? $target['tooltip'] : $this
            ->getTip(),
        ],
      ];
    }
    else {

      // Save some processing by generating the translation link for failover later.
      $link['#message'] = $this
        ->t('Invalid node ID @nid', [
        '@nid' => $target['dest'],
      ]);
    }
    return $link;
  }

  /**
   * {@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'));
  }

}

Classes

Name	Description
Node	Node ID freelinking plugin.