media_thumbnails.module in Media Thumbnails 8

Plugin manager for media entity thumbnail generation.

File

media_thumbnails.module

<?php

/**
 * @file
 * Plugin manager for media entity thumbnail generation.
 */
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\media\MediaInterface;

/**
 * Implements hook_help().
 */
function media_thumbnails_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.media_thumbnails':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('The Media Thumbnails module provides a plugin manager for thumbnail generation.') . '</p>';
      $output .= '<p>' . t('You need to install and enable at least one media thumbnail plugin.') . '</p>';
      return $output;
  }
}

/**
 * Implements hook_ENTITY_TYPE_presave().
 */
function media_thumbnails_media_presave(MediaInterface $entity) {

  /** @var \Drupal\media_thumbnails\Plugin\MediaThumbnailManager $manager */
  $manager = \Drupal::service('plugin.manager.media_thumbnail');
  if ($manager
    ->hasPlugin($entity)) {
    if ($entity
      ->isNew()) {
      $manager
        ->createThumbnail($entity);
    }
    else {
      $manager
        ->updateThumbnail($entity);
    }
  }
}

/**
 * Implements hook_ENTITY_TYPE_delete().
 */
function media_thumbnails_media_delete(MediaInterface $entity) {

  /** @var \Drupal\media_thumbnails\Plugin\MediaThumbnailManager $manager */
  $manager = \Drupal::service('plugin.manager.media_thumbnail');
  if ($manager
    ->hasPlugin($entity)) {
    $manager
      ->deleteThumbnail($entity);
  }
}

Functions

Name	Description
media_thumbnails_help	Implements hook_help().
media_thumbnails_media_delete	Implements hook_ENTITY_TYPE_delete().
media_thumbnails_media_presave	Implements hook_ENTITY_TYPE_presave().