ConfigDependencyDeleteFormTrait::addDependencyListsToForm

protected ConfigDependencyDeleteFormTrait::addDependencyListsToForm(array &$form, $type, array $names, ConfigManagerInterface $config_manager, EntityManagerInterface $entity_manager)

protected function addDependencyListsToForm(array &$form, $type, array $names, ConfigManagerInterface $config_manager, EntityManagerInterface $entity_manager) {
  // Get the dependent entities.
  $dependent_entities = $config_manager->getConfigEntitiesToChangeOnDependencyRemoval($type, $names);
  $entity_types = array();

  $form['entity_updates'] = array(
    '#type' => 'details',
    '#title' => $this->t('Configuration updates'),
    '#description' => $this->t('The listed configuration will be updated.'),
    '#open' => TRUE,
    '#access' => FALSE,
  );

  foreach ($dependent_entities['update'] as $entity) {
    /** @var \Drupal\Core\Config\Entity\ConfigEntityInterface  $entity */
    $entity_type_id = $entity->getEntityTypeId();
    if (!isset($form['entity_updates'][$entity_type_id])) {
      $entity_type = $entity_manager->getDefinition($entity_type_id);
      // Store the ID and label to sort the entity types and entities later.
      $label = $entity_type->getLabel();
      $entity_types[$entity_type_id] = $label;
      $form['entity_updates'][$entity_type_id] = array(
        '#theme' => 'item_list',
        '#title' => $label,
        '#items' => array(),
      );
    }
    $form['entity_updates'][$entity_type_id]['#items'][$entity->id()] = $entity->label() ? : $entity->id();
  }
  if (!empty($dependent_entities['update'])) {
    $form['entity_updates']['#access'] = TRUE;

    // Add a weight key to the entity type sections.
    asort($entity_types, SORT_FLAG_CASE);
    $weight = 0;
    foreach ($entity_types as $entity_type_id => $label) {
      $form['entity_updates'][$entity_type_id]['#weight'] = $weight;
      // Sort the list of entity labels alphabetically.
      ksort($form['entity_updates'][$entity_type_id]['#items'], SORT_FLAG_CASE);
      $weight++;
    }
  }

  $form['entity_deletes'] = array(
    '#type' => 'details',
    '#title' => $this->t('Configuration deletions'),
    '#description' => $this->t('The listed configuration will be deleted.'),
    '#open' => TRUE,
    '#access' => FALSE,
  );

  foreach ($dependent_entities['delete'] as $entity) {
    $entity_type_id = $entity->getEntityTypeId();
    if (!isset($form['entity_deletes'][$entity_type_id])) {
      $entity_type = $entity_manager->getDefinition($entity_type_id);
      // Store the ID and label to sort the entity types and entities later.
      $label = $entity_type->getLabel();
      $entity_types[$entity_type_id] = $label;
      $form['entity_deletes'][$entity_type_id] = array(
        '#theme' => 'item_list',
        '#title' => $label,
        '#items' => array(),
      );
    }
    $form['entity_deletes'][$entity_type_id]['#items'][$entity->id()] = $entity->label() ? : $entity->id();
  }
  if (!empty($dependent_entities['delete'])) {
    $form['entity_deletes']['#access'] = TRUE;

    // Add a weight key to the entity type sections.
    asort($entity_types, SORT_FLAG_CASE);
    $weight = 0;
    foreach ($entity_types as $entity_type_id => $label) {
      if (isset($form['entity_deletes'][$entity_type_id])) {
        $form['entity_deletes'][$entity_type_id]['#weight'] = $weight;
        // Sort the list of entity labels alphabetically.
        ksort($form['entity_deletes'][$entity_type_id]['#items'], SORT_FLAG_CASE);
        $weight++;
      }
    }
  }

}