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

   1 <?php
   2
   3 namespace Drupal\menu_ui\Form;
   4
   5 use Drupal\Core\DependencyInjection\ClassResolverInterface;
   6 use Drupal\Core\Form\FormBase;
   7 use Drupal\Core\Form\FormStateInterface;
   8 use Drupal\Core\Menu\MenuLinkInterface;
   9 use Symfony\Component\DependencyInjection\ContainerInterface;
  10
  11 /**
  12  * Defines a generic edit form for all menu link plugin types.
  13  *
  14  * The menu link plugin defines which class defines the corresponding form.
  15  *
  16  * @internal
  17  *
  18  * @see \Drupal\Core\Menu\MenuLinkInterface::getFormClass()
  19  */
  20 class MenuLinkEditForm extends FormBase {
  21
  22   /**
  23    * The class resolver.
  24    *
  25    * @var \Drupal\Core\DependencyInjection\ClassResolverInterface
  26    */
  27   protected $classResolver;
  28
  29   /**
  30    * Constructs a MenuLinkEditForm object.
  31    *
  32    * @param \Drupal\Core\DependencyInjection\ClassResolverInterface $class_resolver
  33    *   The class resolver.
  34    */
  35   public function __construct(ClassResolverInterface $class_resolver) {
  36     $this->classResolver = $class_resolver;
  37   }
  38
  39   /**
  40    * {@inheritdoc}
  41    */
  42   public static function create(ContainerInterface $container) {
  43     return new static(
  44       $container->get('class_resolver')
  45     );
  46   }
  47
  48   /**
  49    * {@inheritdoc}
  50    */
  51   public function getFormId() {
  52     return 'menu_link_edit';
  53   }
  54
  55   /**
  56    * {@inheritdoc}
  57    *
  58    * @param \Drupal\Core\Menu\MenuLinkInterface $menu_link_plugin
  59    *   The plugin instance to use for this form.
  60    */
  61   public function buildForm(array $form, FormStateInterface $form_state, MenuLinkInterface $menu_link_plugin = NULL) {
  62     $form['menu_link_id'] = [
  63       '#type' => 'value',
  64       '#value' => $menu_link_plugin->getPluginId(),
  65     ];
  66     $class_name = $menu_link_plugin->getFormClass();
  67     $form['#plugin_form'] = $this->classResolver->getInstanceFromDefinition($class_name);
  68     $form['#plugin_form']->setMenuLinkInstance($menu_link_plugin);
  69
  70     $form += $form['#plugin_form']->buildConfigurationForm($form, $form_state);
  71
  72     $form['actions'] = ['#type' => 'actions'];
  73     $form['actions']['submit'] = [
  74       '#type' => 'submit',
  75       '#value' => $this->t('Save'),
  76       '#button_type' => 'primary',
  77     ];
  78     return $form;
  79   }
  80
  81   /**
  82    * {@inheritdoc}
  83    */
  84   public function validateForm(array &$form, FormStateInterface $form_state) {
  85     $form['#plugin_form']->validateConfigurationForm($form, $form_state);
  86   }
  87
  88   /**
  89    * {@inheritdoc}
  90    */
  91   public function submitForm(array &$form, FormStateInterface $form_state) {
  92     $link = $form['#plugin_form']->submitConfigurationForm($form, $form_state);
  93
  94     $this->messenger()->addStatus($this->t('The menu link has been saved.'));
  95     $form_state->setRedirect(
  96       'entity.menu.edit_form',
  97       ['menu' => $link->getMenuName()]
  98     );
  99   }
 100
 101 }