www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/book/src/Form/BookOutlineForm.php

   1 <?php
   2
   3 namespace Drupal\book\Form;
   4
   5 use Drupal\book\BookManagerInterface;
   6 use Drupal\Component\Datetime\TimeInterface;
   7 use Drupal\Core\Entity\ContentEntityForm;
   8 use Drupal\Core\Entity\EntityRepositoryInterface;
   9 use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
  10 use Drupal\Core\Form\FormStateInterface;
  11 use Drupal\Core\Url;
  12 use Symfony\Component\DependencyInjection\ContainerInterface;
  13
  14 /**
  15  * Displays the book outline form.
  16  *
  17  * @internal
  18  */
  19 class BookOutlineForm extends ContentEntityForm {
  20
  21   /**
  22    * The book being displayed.
  23    *
  24    * @var \Drupal\node\NodeInterface
  25    */
  26   protected $entity;
  27
  28   /**
  29    * BookManager service.
  30    *
  31    * @var \Drupal\book\BookManagerInterface
  32    */
  33   protected $bookManager;
  34
  35   /**
  36    * Constructs a BookOutlineForm object.
  37    *
  38    * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
  39    *   The entity repository.
  40    * @param \Drupal\book\BookManagerInterface $book_manager
  41    *   The BookManager service.
  42    * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
  43    *   The entity type bundle service.
  44    * @param \Drupal\Component\Datetime\TimeInterface $time
  45    *   The time service.
  46    */
  47   public function __construct(EntityRepositoryInterface $entity_repository, BookManagerInterface $book_manager, EntityTypeBundleInfoInterface $entity_type_bundle_info = NULL, TimeInterface $time = NULL) {
  48     parent::__construct($entity_repository, $entity_type_bundle_info, $time);
  49     $this->bookManager = $book_manager;
  50   }
  51
  52   /**
  53    * {@inheritdoc}
  54    */
  55   public static function create(ContainerInterface $container) {
  56     return new static(
  57       $container->get('entity.repository'),
  58       $container->get('book.manager'),
  59       $container->get('entity_type.bundle.info'),
  60       $container->get('datetime.time')
  61     );
  62   }
  63
  64   /**
  65    * {@inheritdoc}
  66    */
  67   public function getBaseFormId() {
  68     return NULL;
  69   }
  70
  71   /**
  72    * {@inheritdoc}
  73    */
  74   public function form(array $form, FormStateInterface $form_state) {
  75     $form['#title'] = $this->entity->label();
  76
  77     if (!isset($this->entity->book)) {
  78       // The node is not part of any book yet - set default options.
  79       $this->entity->book = $this->bookManager->getLinkDefaults($this->entity->id());
  80     }
  81     else {
  82       $this->entity->book['original_bid'] = $this->entity->book['bid'];
  83     }
  84
  85     // Find the depth limit for the parent select.
  86     if (!isset($this->entity->book['parent_depth_limit'])) {
  87       $this->entity->book['parent_depth_limit'] = $this->bookManager->getParentDepthLimit($this->entity->book);
  88     }
  89     $form = $this->bookManager->addFormElements($form, $form_state, $this->entity, $this->currentUser(), FALSE);
  90
  91     return $form;
  92   }
  93
  94   /**
  95    * {@inheritdoc}
  96    */
  97   protected function actions(array $form, FormStateInterface $form_state) {
  98     $actions = parent::actions($form, $form_state);
  99     $actions['submit']['#value'] = $this->entity->book['original_bid'] ? $this->t('Update book outline') : $this->t('Add to book outline');
 100     $actions['delete']['#title'] = $this->t('Remove from book outline');
 101     $actions['delete']['#url'] = new Url('entity.node.book_remove_form', ['node' => $this->entity->book['nid']]);
 102     $actions['delete']['#access'] = $this->bookManager->checkNodeIsRemovable($this->entity);
 103     return $actions;
 104   }
 105
 106   /**
 107    * {@inheritdoc}
 108    */
 109   public function save(array $form, FormStateInterface $form_state) {
 110     $form_state->setRedirect(
 111       'entity.node.canonical',
 112       ['node' => $this->entity->id()]
 113     );
 114     $book_link = $form_state->getValue('book');
 115     if (!$book_link['bid']) {
 116       $this->messenger()->addStatus($this->t('No changes were made'));
 117       return;
 118     }
 119
 120     $this->entity->book = $book_link;
 121     if ($this->bookManager->updateOutline($this->entity)) {
 122       if (isset($this->entity->book['parent_mismatch']) && $this->entity->book['parent_mismatch']) {
 123         // This will usually only happen when JS is disabled.
 124         $this->messenger()->addStatus($this->t('The post has been added to the selected book. You may now position it relative to other pages.'));
 125         $form_state->setRedirectUrl($this->entity->urlInfo('book-outline-form'));
 126       }
 127       else {
 128         $this->messenger()->addStatus($this->t('The book outline has been updated.'));
 129       }
 130     }
 131     else {
 132       $this->messenger()->addError($this->t('There was an error adding the post to the book.'));
 133     }
 134   }
 135
 136 }