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

   1 <?php
   2
   3 namespace Drupal\menu_link_content\Form;
   4
   5 use Drupal\Component\Datetime\TimeInterface;
   6 use Drupal\Core\Entity\ContentEntityForm;
   7 use Drupal\Core\Entity\EntityRepositoryInterface;
   8 use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
   9 use Drupal\Core\Form\FormStateInterface;
  10 use Drupal\Core\Language\LanguageManagerInterface;
  11 use Drupal\Core\Menu\MenuParentFormSelectorInterface;
  12 use Drupal\Core\Path\PathValidatorInterface;
  13 use Symfony\Component\DependencyInjection\ContainerInterface;
  14
  15 /**
  16  * Provides a form to add/update content menu links.
  17  *
  18  * @internal
  19  */
  20 class MenuLinkContentForm extends ContentEntityForm {
  21
  22   /**
  23    * The content menu link.
  24    *
  25    * @var \Drupal\menu_link_content\MenuLinkContentInterface
  26    */
  27   protected $entity;
  28
  29   /**
  30    * The parent form selector service.
  31    *
  32    * @var \Drupal\Core\Menu\MenuParentFormSelectorInterface
  33    */
  34   protected $menuParentSelector;
  35
  36   /**
  37    * The path validator.
  38    *
  39    * @var \Drupal\Core\Path\PathValidatorInterface
  40    */
  41   protected $pathValidator;
  42
  43   /**
  44    * Constructs a MenuLinkContentForm object.
  45    *
  46    * @param \Drupal\Core\Entity\EntityRepositoryInterface $entity_repository
  47    *   The entity repository.
  48    * @param \Drupal\Core\Menu\MenuParentFormSelectorInterface $menu_parent_selector
  49    *   The menu parent form selector service.
  50    * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
  51    *   The language manager.
  52    * @param \Drupal\Core\Path\PathValidatorInterface $path_validator
  53    *   The path validator.
  54    * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
  55    *   The entity type bundle service.
  56    * @param \Drupal\Component\Datetime\TimeInterface $time
  57    *   The time service.
  58    */
  59   public function __construct(EntityRepositoryInterface $entity_repository, MenuParentFormSelectorInterface $menu_parent_selector, LanguageManagerInterface $language_manager, PathValidatorInterface $path_validator, EntityTypeBundleInfoInterface $entity_type_bundle_info = NULL, TimeInterface $time = NULL) {
  60     parent::__construct($entity_repository, $entity_type_bundle_info, $time);
  61     $this->menuParentSelector = $menu_parent_selector;
  62     $this->pathValidator = $path_validator;
  63   }
  64
  65   /**
  66    * {@inheritdoc}
  67    */
  68   public static function create(ContainerInterface $container) {
  69     return new static(
  70       $container->get('entity.repository'),
  71       $container->get('menu.parent_form_selector'),
  72       $container->get('language_manager'),
  73       $container->get('path.validator'),
  74       $container->get('entity_type.bundle.info'),
  75       $container->get('datetime.time')
  76     );
  77   }
  78
  79   /**
  80    * {@inheritdoc}
  81    */
  82   public function form(array $form, FormStateInterface $form_state) {
  83     $form = parent::form($form, $form_state);
  84
  85     $default = $this->entity->getMenuName() . ':' . $this->entity->getParentId();
  86     $id = $this->entity->isNew() ? '' : $this->entity->getPluginId();
  87     $form['menu_parent'] = $this->menuParentSelector->parentSelectElement($default, $id);
  88     $form['menu_parent']['#weight'] = 10;
  89     $form['menu_parent']['#title'] = $this->t('Parent link');
  90     $form['menu_parent']['#description'] = $this->t('The maximum depth for a link and all its children is fixed. Some menu links may not be available as parents if selecting them would exceed this limit.');
  91     $form['menu_parent']['#attributes']['class'][] = 'menu-title-select';
  92
  93     return $form;
  94   }
  95
  96   /**
  97    * {@inheritdoc}
  98    */
  99   protected function actions(array $form, FormStateInterface $form_state) {
 100     $element = parent::actions($form, $form_state);
 101     $element['submit']['#button_type'] = 'primary';
 102     $element['delete']['#access'] = $this->entity->access('delete');
 103
 104     return $element;
 105   }
 106
 107   /**
 108    * {@inheritdoc}
 109    */
 110   public function buildEntity(array $form, FormStateInterface $form_state) {
 111     /** @var \Drupal\menu_link_content\MenuLinkContentInterface $entity */
 112     $entity = parent::buildEntity($form, $form_state);
 113
 114     list($menu_name, $parent) = explode(':', $form_state->getValue('menu_parent'), 2);
 115
 116     $entity->parent->value = $parent;
 117     $entity->menu_name->value = $menu_name;
 118     $entity->enabled->value = (!$form_state->isValueEmpty(['enabled', 'value']));
 119     $entity->expanded->value = (!$form_state->isValueEmpty(['expanded', 'value']));
 120
 121     return $entity;
 122   }
 123
 124   /**
 125    * {@inheritdoc}
 126    */
 127   public function save(array $form, FormStateInterface $form_state) {
 128     // The entity is rebuilt in parent::submit().
 129     $menu_link = $this->entity;
 130     $saved = $menu_link->save();
 131
 132     if ($saved) {
 133       $this->messenger()->addStatus($this->t('The menu link has been saved.'));
 134       $form_state->setRedirect(
 135         'entity.menu_link_content.canonical',
 136         ['menu_link_content' => $menu_link->id()]
 137       );
 138     }
 139     else {
 140       $this->messenger()->addError($this->t('There was an error saving the menu link.'));
 141       $form_state->setRebuild();
 142     }
 143   }
 144
 145 }