aleph1.co.uk Git - yaffs-website/blob - web/core/modules/forum/src/Form/Overview.php

   1 <?php
   2
   3 namespace Drupal\forum\Form;
   4
   5 use Drupal\Core\Entity\EntityManagerInterface;
   6 use Drupal\Core\Form\FormStateInterface;
   7 use Drupal\Core\Render\Element;
   8 use Drupal\Core\Url;
   9 use Drupal\taxonomy\Form\OverviewTerms;
  10 use Drupal\Core\Extension\ModuleHandlerInterface;
  11 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
  12
  13 /**
  14  * Provides forum overview form for the forum vocabulary.
  15  */
  16 class Overview extends OverviewTerms {
  17
  18   /**
  19    * Entity manager Service Object.
  20    *
  21    * @var \Drupal\Core\Entity\EntityManagerInterface
  22    */
  23   protected $entityManager;
  24
  25   /**
  26    * Constructs a \Drupal\forum\Form\OverviewForm object.
  27    *
  28    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
  29    *   The module handler service.
  30    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
  31    *   The entity manager service.
  32    */
  33   public function __construct(ModuleHandlerInterface $module_handler, EntityManagerInterface $entity_manager) {
  34     parent::__construct($module_handler, $entity_manager);
  35     $this->entityManager = $entity_manager;
  36   }
  37
  38   /**
  39    * {@inheritdoc}
  40    */
  41   public function getFormId() {
  42     return 'forum_overview';
  43   }
  44
  45   /**
  46    * {@inheritdoc}
  47    */
  48   public function buildForm(array $form, FormStateInterface $form_state) {
  49     $forum_config = $this->config('forum.settings');
  50     $vid = $forum_config->get('vocabulary');
  51     $vocabulary = $this->entityManager->getStorage('taxonomy_vocabulary')->load($vid);
  52     if (!$vocabulary) {
  53       throw new NotFoundHttpException();
  54     }
  55
  56     // Build base taxonomy term overview.
  57     $form = parent::buildForm($form, $form_state, $vocabulary);
  58
  59     foreach (Element::children($form['terms']) as $key) {
  60       if (isset($form['terms'][$key]['#term'])) {
  61         $term = $form['terms'][$key]['#term'];
  62         $form['terms'][$key]['term']['#url'] = Url::fromRoute('forum.page', ['taxonomy_term' => $term->id()]);
  63         unset($form['terms'][$key]['operations']['#links']['delete']);
  64         $route_parameters = $form['terms'][$key]['operations']['#links']['edit']['url']->getRouteParameters();
  65         if (!empty($term->forum_container->value)) {
  66           $form['terms'][$key]['operations']['#links']['edit']['title'] = $this->t('edit container');
  67           $form['terms'][$key]['operations']['#links']['edit']['url'] = Url::fromRoute('entity.taxonomy_term.forum_edit_container_form', $route_parameters);
  68         }
  69         else {
  70           $form['terms'][$key]['operations']['#links']['edit']['title'] = $this->t('edit forum');
  71           $form['terms'][$key]['operations']['#links']['edit']['url'] = Url::fromRoute('entity.taxonomy_term.forum_edit_form', $route_parameters);
  72         }
  73         // We don't want the redirect from the link so we can redirect the
  74         // delete action.
  75         unset($form['terms'][$key]['operations']['#links']['edit']['query']['destination']);
  76       }
  77     }
  78
  79     // Remove the alphabetical reset.
  80     unset($form['actions']['reset_alphabetical']);
  81
  82     // Use the existing taxonomy overview submit handler.
  83     $form['terms']['#empty'] = $this->t('No containers or forums available. <a href=":container">Add container</a> or <a href=":forum">Add forum</a>.', [
  84       ':container' => $this->url('forum.add_container'),
  85       ':forum' => $this->url('forum.add_forum')
  86     ]);
  87     return $form;
  88   }
  89
  90 }