MenuBuilder.php in Context 8

Namespace

Drupal\context_ui

File

modules/context_ui/src/MenuBuilder.php

<?php

namespace Drupal\context_ui;

use Drupal\context\Entity\Context;
use Drupal\Core\Menu\MenuLinkManagerInterface;
use Drupal\Core\Url;
use Drupal\menu_link_content\Entity\MenuLinkContent;

/**
 * Implements the MenuBuilder class, which configures and updates the submenu
 * context items
 *
 * @package Drupal\context_ui
 */
class MenuBuilder {

  /**
   * @var \Drupal\Core\Menu\MenuLinkManagerInterface Stores the menuLinkManager interface.
   */
  protected $menuLinkManager;

  /**
   * MenuBuilder constructor.
   *
   * @param \Drupal\Core\Menu\MenuLinkManagerInterface $menuLinkManager
   */
  public function __construct(MenuLinkManagerInterface $menuLinkManager) {
    $this->menuLinkManager = $menuLinkManager;
  }

  /**
   *
   * Create function.
   * @param \Drupal\context_ui\ContainerInterface $container
   *
   * @return static
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('plugin.manager.menu.link'));
  }

  /**
   *
   * Adds a submenu item for the $entity item.
   *
   * @param \Drupal\context\Entity\Context $entity The given entity item.
   */
  public function addSubMenuItem(Context $entity) {
    $menu_link = MenuLinkContent::create([
      'title' => $entity
        ->getLabel(),
      'link' => $this
        ->getUriString($entity),
      'menu_name' => 'admin',
      'parent' => 'entity.context.collection',
      'expanded' => TRUE,
      'weight' => 10,
    ]);
    $menu_link
      ->save();
    $this->menuLinkManager
      ->rebuild();
  }

  /**
   *
   * Updates the submenu item of the $entity item.
   *
   * @param \Drupal\context\Entity\Context $entity The given entity item.
   */
  public function updateSubMenuItem(Context $entity) {
    $result = $this->menuLinkManager
      ->loadLinksByRoute('entity.context.edit_form', [
      'context' => $entity
        ->id(),
    ]);
    if (!empty($result)) {
      foreach ($result as $id => $instance) {
        if (strpos($id, 'menu_link_content:') === 0) {
          $instance
            ->updateLink([
            'title' => $entity
              ->getLabel(),
            'link' => $this
              ->getUriString($entity),
          ], TRUE);
        }
      }
      $this->menuLinkManager
        ->rebuild();
    }
    else {
      $this
        ->addSubMenuItem($entity);
    }
  }

  /**
   *
   * Deletes the submenu item of the $entity item.
   *
   * @param \Drupal\context\Entity\Context $entity The given entity item.
   */
  public function deleteSubMenuItem(Context $entity) {
    $result = $this->menuLinkManager
      ->loadLinksByRoute('entity.context.edit_form', [
      'context' => $entity
        ->id(),
    ]);
    if (!empty($result)) {
      foreach ($result as $id => $instance) {
        if ($instance
          ->isDeletable() && strpos($id, 'menu_link_content:') === 0) {
          $instance
            ->deleteLink();
          $this->menuLinkManager
            ->rebuild();
        }
      }
    }
  }

  /**
   *
   * Return the URI string of the given context entity.
   *
   * @param \Drupal\context\Entity\Context $entity The context entity.
   *
   * @return string The URI string.
   */
  private function getUriString(Context $entity) {
    $url = Url::fromRoute('entity.context.edit_form', [
      'context' => $entity
        ->id(),
    ]);
    return $url
      ->toUriString();
  }

}

Classes

Name	Description
MenuBuilder	Implements the MenuBuilder class, which configures and updates the submenu context items