annotate core/modules/field_layout/field_layout.install @ 19:fa3358dc1485 tip

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<?php

/**
 * @file
 * Contains install and update functions for Field Layout.
 */

use Drupal\Core\Cache\Cache;
use Drupal\Core\Entity\Display\EntityDisplayInterface;
use Drupal\Core\Entity\Entity\EntityFormDisplay;
use Drupal\Core\Entity\Entity\EntityViewDisplay;
use Drupal\field_layout\Display\EntityDisplayWithLayoutInterface;

/**
 * Implements hook_install().
 */
function field_layout_install() {
  // Ensure each entity display has a layout.
  $entity_save = function (EntityDisplayInterface $entity) {
    if ($entity instanceof EntityDisplayWithLayoutInterface) {
      $entity->ensureLayout()->save();
    }
  };
  array_map($entity_save, EntityViewDisplay::loadMultiple());
  array_map($entity_save, EntityFormDisplay::loadMultiple());

  // Invalidate the render cache since all content will now have a layout.
  Cache::invalidateTags(['rendered']);
}

/**
 * Implements hook_uninstall().
 */
function field_layout_uninstall() {
  // Reset each entity display to use the one-column layout to best approximate
  // the absence of layouts.
  $entity_save = function (EntityDisplayInterface $entity) {
    if ($entity instanceof EntityDisplayWithLayoutInterface) {
      $entity->setLayoutId('layout_onecol')->save();
    }
  };
  array_map($entity_save, EntityViewDisplay::loadMultiple());
  array_map($entity_save, EntityFormDisplay::loadMultiple());

  // Invalidate the render cache since all content will no longer have a layout.
  Cache::invalidateTags(['rendered']);
}