www.aleph1.co.uk Git - yaffs-website/blob - web/modules/contrib/inline_entity_form/src/WidgetSubmit.php

   1 <?php
   2
   3 namespace Drupal\inline_entity_form;
   4
   5 use Drupal\Core\Form\FormStateInterface;
   6 use Drupal\inline_entity_form\Element\InlineEntityForm;
   7
   8 /**
   9  * Performs widget submission.
  10  *
  11  * Widgets don't save changed entities, nor do they delete removed entities.
  12  * Instead, they flag them so that changes are only applied when the main form
  13  * is submitted.
  14  */
  15 class WidgetSubmit {
  16
  17   /**
  18    * Attaches the widget submit functionality to the given form.
  19    *
  20    * @param array $form
  21    *   The form.
  22    * @param \Drupal\Core\Form\FormStateInterface $form_state
  23    *   The form state.
  24    */
  25   public static function attach(&$form, FormStateInterface $form_state) {
  26     // $form['#ief_element_submit'] runs after the #ief_element_submit
  27     // callbacks of all subelements, which means that doSubmit() has
  28     // access to the final IEF $form_state.
  29     $form['#ief_element_submit'][] = [get_called_class(), 'doSubmit'];
  30   }
  31
  32   /**
  33    * Submits the widget elements, saving and deleted entities where needed.
  34    *
  35    * @param array $form
  36    *   The form.
  37    * @param \Drupal\Core\Form\FormStateInterface $form_state
  38    *   The form state.
  39    */
  40   public static function doSubmit(array $form, FormStateInterface $form_state) {
  41     foreach ($form_state->get('inline_entity_form') as &$widget_state) {
  42       $widget_state += ['entities' => [], 'delete' => []];
  43
  44       foreach ($widget_state['entities'] as $delta => $entity_item) {
  45         if (!empty($entity_item['entity']) && !empty($entity_item['needs_save'])) {
  46           /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
  47           $entity = $entity_item['entity'];
  48           $handler = InlineEntityForm::getInlineFormHandler($entity->getEntityTypeId());
  49           $handler->save($entity);
  50           $widget_state['entities'][$delta]['needs_save'] = FALSE;
  51         }
  52       }
  53
  54       /** @var \Drupal\Core\Entity\ContentEntityInterface $entities */
  55       foreach ($widget_state['delete'] as $entity) {
  56         $entity->delete();
  57       }
  58       unset($widget_state['delete']);
  59     }
  60   }
  61
  62 }