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