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