drowl_media-8.x-2.0-rc0/drowl_media.module

<?php

use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
use Drupal\Core\Url;
/**
 * @file
 * DROWL media module file.
 */

use Drupal\Core\Form\FormStateInterface;
use Drupal\views\ViewExecutable;

/**
 * @file
 * DROWL media enhancements.
 */

/**
 * Implements template_preprocess_media().
 */
function drowl_media_preprocess_media(array &$variables) {
  // Attach frontend libraries by bundle
  if(!empty($variables['elements']['#media'])){
    $variables['#attached']['library'][] = 'drowl_media/global';
    $bundle = $variables['elements']['#media']->bundle();
    if($bundle == 'document'){
      $variables['#attached']['library'][] = 'drowl_media/bundle_documents';
    }
    if($bundle == 'remote_video' || $bundle == 'video'){
      $variables['#attached']['library'][] = 'drowl_media/bundle_video';
    }
    if($bundle == 'slideshow'){
      $variables['#attached']['library'][] = 'drowl_media/bundle_slideshow';
    }
  }
}

/**
 * Implements hook_page_attachments().
 */
function drowl_media_page_attachments(array &$attachments) {
  $isAdminRoute = \Drupal::service('router.admin_context')->isAdminRoute();
  if ($isAdminRoute) {
    $attachments['#attached']['library'][] = 'drowl_media/admin';
  }
}

/**
 * Implements hook_library_info_alter()
 */
function drowl_media_library_info_alter(&$libraries, $extension) {
  // Only attach our VBO-extending library, if views_bulk_operations is enabled and the views_bulk_operations/frontUi library is actually used.
  if ($extension == 'views_bulk_operations' && isset($libraries['frontUi'])) {
    // Extend views_bulk_operations/adminUi
    $libraries['frontUi']['dependencies'][] = 'drowl_media/admin_views_bulk_operations';
  }
}

/**
 * Implements hook_form_alter().
 */
function drowl_media_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  // Only allow a subset of image styles in the media embed widget
  // for image preview.
  if (strpos($form_id, 'entity_embed_dialog') === 0) {
    if (!empty($form['attributes']['data-entity-embed-display-settings']['image_style'])) {
      $image_styles = $form['attributes']['data-entity-embed-display-settings']['image_style']['#options'];
      $prefered_image_styles = [
        'page_width_25_lg_scale' => t('25% page width scaled'),
        'page_width_50_lg_scale' => t('50% page width scaled'),
        'page_width_25_lg' => t('25% page width cropped'),
        'page_width_50_lg' => t('50% page width cropped'),
      ];
      $allowed_image_styles = array_intersect_key($image_styles, $prefered_image_styles);
      if (!empty($allowed_image_styles)) {
        // If at least one prefered style exists, only use the prefered ones:
        $form['attributes']['data-entity-embed-display-settings']['image_style']['#options'] = $allowed_image_styles;
      }
    }
  }
}

/**
 * Implements hook_views_pre_render().
 */
function drowl_media_views_pre_render(ViewExecutable $view) {
  $admin_theme = \Drupal::config('system.theme')->get('admin');

  if (isset($view) && ($view->storage->id() == 'media_library')) {
    // Attach on view:
    if ($admin_theme == 'claro') {
      $view->element['#attached']['library'][] = 'drowl_media/admin_media_library_claro';
    }
    else {
      $view->element['#attached']['library'][] = 'drowl_media/admin_media_library';
    }
  }
}

/**
 * Implements hook_field_widget_single_element_form_alter().
 */
function drowl_media_field_widget_single_element_form_alter(&$element, FormStateInterface $form_state, $context) {
  $admin_theme = \Drupal::config('system.theme')->get('admin');

  if (!empty($context['widget']) && in_array($context['widget']->getPluginId(), [
    'media_library_widget',
  ])) {
    // Attach in media library widget:
    if ($admin_theme == 'claro') {
      $element['#attached']['library'][] = 'drowl_media/admin_media_library_claro';
    }
    else {
      $element['#attached']['library'][] = 'drowl_media/admin_media_library';
    }
  }
}

/**
 * Implements hook_ENTITY_TYPE_view().
 */
function drowl_media_media_view(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display, $view_mode) {
  // Attach the media library to all media previews in the admin route
  if (!empty($build) && !empty($view_mode) && $view_mode == 'media_library') {
    $build['#attached']['library'][] = 'drowl_media/admin_media_library';
  }
}

/**
 * Implements hook_field_widget_single_element_media_library_widget_form_alter().
 *
 * Adds a "Create new Slideshow" button beneath "Select slideshow" media library
 * widget button. This is a *workaround* to provide a link for slideshow creation
 * as "Slideshow" is a custom media source, which doesn't provide a create itself.
 */
function drowl_media_field_widget_single_element_media_library_widget_form_alter(&$element, FormStateInterface $form_state, $context) {
  if (!empty($element['#target_bundles']) && in_array("slideshow", $element['#target_bundles'])) {
    // Change the regular "Add"-label, so its clear to the user that this means
    // "Reference to existing Slideshows"
    $element["open_button"]["#value"] = t('Select Slideshow');
    // Add further "Create Slideshow"-Button, opens the Slideshow create form in a new tab
    $element['#field_suffix']['empty_selection'] = [
      '#type' => 'link',
      '#title' => t('Create new Slideshow'),
      '#url' => Url::fromRoute('entity.media.add_form', ['media_type' => 'slideshow']),
      '#attributes' => [
        'target' => '_blank',
        'class' => ['button', 'primary'],
        // Preparation to open the dialog in a modal, but as we can not
        // simply set the created slideshow, we didn't proceed here yet:
        // 'class' => ['button', 'primary', 'use-ajax'],
        // 'data-dialog-type' => 'modal',
        // 'data-dialog-options' => '{width: 90%, height: 80%}',
      ],
      '#weight' => 99,
    ];
  }
}