DefaultController.php in View Modes Display 8

Namespace

Drupal\view_modes_display\Controller

File

src/Controller/DefaultController.php

<?php

namespace Drupal\view_modes_display\Controller;

use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Entity\ContentEntityInterface;
use Drupal\node\NodeInterface;
use Drupal\block_content\BlockContentInterface;
use Drupal\user\UserInterface;

/**
 * Class DefaultController.
 *
 * @package Drupal\view_modes_display\Controller
 */
class DefaultController extends ControllerBase {

  /**
   * Returns content of the node.
   *
   * @param \Drupal\node\NodeInterface $node
   *   The node.
   *
   * @return string
   *   Preview content of the node.
   */
  public function previewNode(NodeInterface $node) {
    return $this
      ->preview($node);
  }

  /**
   * Returns content of the block.
   *
   * @param \Drupal\block_content\BlockContentInterface $block_content
   *   The block content.
   *
   * @return string
   *   Preview content of the block.
   */
  public function previewBlockContent(BlockContentInterface $block_content) {
    return $this
      ->preview($block_content);
  }

  /**
   * Returns user.
   *
   * @param \Drupal\user\UserInterface $user
   *   The user.
   *
   * @return string
   *   Preview user.
   */
  public function previewUser(UserInterface $user) {
    return $this
      ->preview($user);
  }

  /**
   * Preview entity view modes.
   *
   * @return string
   *   Preview content of entity view modes.
   */
  public function preview(ContentEntityInterface $entity) {
    $entity_manager = $this
      ->entityManager();
    $entity_type = $entity
      ->getEntityType()
      ->get('id');
    $view_modes_info = $entity_manager
      ->getViewModes($entity_type);
    $config_prefix = 'core.entity_view_display';
    $entity_type_id = $entity
      ->getEntityType()
      ->id();
    $ids = $this
      ->configFactory()
      ->listAll($config_prefix . '.' . $entity_type_id . '.' . $entity
      ->bundle() . '.');
    $load_ids = [];
    foreach ($ids as $id) {
      $config_id = str_replace($config_prefix . '.', '', $id);
      list(, , $display_mode) = explode('.', $config_id);
      $load_ids[] = $config_id;
    }
    $enabled_display_modes = [];
    $displays = $entity_manager
      ->getStorage('entity_view_display')
      ->loadMultiple($load_ids);
    foreach ($displays as $display) {
      if ($display
        ->status()) {
        $enabled_display_modes[] = $display
          ->get('mode');
      }
    }
    if (!array_key_exists('full', $view_modes_info)) {
      $view_modes_info['full'] = [
        'label' => t('Default'),
      ];
    }
    if (!array_key_exists('full', $enabled_display_modes)) {
      $enabled_display_modes[] = 'full';
    }
    $view_builder = \Drupal::entityTypeManager()
      ->getViewBuilder($entity
      ->getEntityTypeId());

    // Loop through the view modes and render in-place.
    $build = [];
    foreach ($view_modes_info as $view_mode_name => $view_mode_info) {
      if (in_array($view_mode_name, $enabled_display_modes)) {
        $build[] = [
          '#prefix' => '<div class="view-mode-list-item view-mode-list-item-' . $view_mode_name . '"><h1>' . $view_mode_info['label'] . '</h1>',
          '#markup' => render($view_builder
            ->view($entity, $view_mode_name)),
          '#suffix' => '</div>',
        ];
      }
    }
    return $build;
  }

}

Classes

Name	Description
DefaultController	Class DefaultController.