claro_media_library_theme-1.0.0-alpha4/claro_media_library_theme.module

<?php
use Drupal\Core\Form\FormStateInterface;
use Drupal\views\ViewExecutable;

/**
 * Include the 'claro.theme' file to your codebase so that Media Library hooks and prepocess function can be
 * executed in your active theme.
 */
require_once DRUPAL_ROOT . '/core/themes/claro/claro.theme';

/**
 * The templates responsible for the Claro Media Library are:
 * - media
 * - media__media_library
 * - media_library_wrapper
 * - media_library_item
 * - media_library_item__small
 * - media_library_item__widget
 * - views_view__media_library
 * - views_view_unformatted__media_library
 * - views_view_fields__media_library
 * - fieldset__media_library_widget
 * - links__media_library_menu
 * - item_list__media_library_add_form_media_list
 * - details__media_library_add_form_selected_media
 * - container__media_library_widget_selection
 * - container__media_library_content
 */

/**
 * Implements hook_theme_registry_alter().
 *
 * Add the Claro Media Library templates with their default Claro settings if they not yet exist in to
 * the active theme registry.
 */
function claro_media_library_theme_theme_registry_alter(&$theme_registry) {
  /** @var \Drupal\Core\Extension\ThemeHandler $themeHandler */
  $themeHandler = \Drupal::service('theme_handler');
  $claroThemePath = $themeHandler->getTheme('claro')->getPath();

  if (!in_array('media', $theme_registry)) {
    $template = 'media';
    $path = $claroThemePath . '/templates/classy/content';
    if (templateExists($path, $template)) {
      $theme_registry['media'] = [
        'template' => $template,
        'path' => $path,
        'render element' => 'elements',
        'type' => 'theme_engine',
        'theme path' => $claroThemePath,
        'preprocess functions' => [
          'template_preprocess',
          'template_preprocess_media',
          'contextual_preprocess',
          'media_library_preprocess_media',
        ],
      ];
    }
  }

  if (!in_array('media__media_library', $theme_registry)) {
    $template = 'media--media-library';
    $path = $claroThemePath . '/templates/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['media__media_library'] = [
        'template' => $template,
        'path' => $path,
        'render element' => 'elements',
        'theme path' => $claroThemePath,
        'type' => 'theme_engine',
        'preprocess functions' => [
          'template_preprocess',
          'template_preprocess_media',
          'contextual_preprocess',
          'media_library_preprocess_media',
        ],
      ];
    }
  }

  if (!in_array('media_library_wrapper', $theme_registry)) {
    $template = 'media-library-wrapper';
    $path = $claroThemePath . '/templates/classy/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['media_library_wrapper'] = [
        'template' => $template,
        'path' => $path,
        'render element' => 'element',
        'type' => 'theme_engine',
        'theme path' => $claroThemePath,
        'preprocess functions' => [
          "template_preprocess",
          "template_preprocess_media_library_wrapper",
          "contextual_preprocess",
        ],
      ];
    }
  }

  if (!in_array('media_library_item', $theme_registry)) {
    $template = 'media-library-item';
    $path = $claroThemePath . '/templates/classy/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['media_library_item'] = [
        'template' => $template,
        'path' => $path,
        'render element' => 'element',
        'type' => 'theme_engine',
        'theme path' => $claroThemePath,
        'preprocess functions' => [
          'template_preprocess',
          'template_preprocess_media_library_item',
          'contextual_preprocess',
        ],
      ];
    }
  }

  if (!in_array('media_library_item__small', $theme_registry)) {
    $template = 'media-library-item--small';
    $path = $claroThemePath . '/templates/classy/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['media_library_item__small'] = [
        'template' => $template,
        'path' => $path,
        'render element' => 'element',
        'type' => 'theme_engine',
        'base hook' => 'media_library_item',
        'theme path' => $claroThemePath,
        'preprocess functions' => [
          'template_preprocess',
          'template_preprocess_media_library_item',
          'contextual_preprocess',
          'claro_preprocess_media_library_item__small',
        ],
      ];
    }
  }

  if (!in_array('media_library_item__widget', $theme_registry)) {
    $template = 'media-library-item';
    $path = $claroThemePath . '/templates/classy/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['media_library_item__widget'] = [
        'template' => $template,
        'path' => $path,
        'render element' => 'element',
        'type' => 'theme_engine',
        'base hook' => 'media_library_item',
        'theme path' => $claroThemePath,
        'preprocess functions' => [
          'template_preprocess',
          'template_preprocess_media_library_item',
          'contextual_preprocess',
          'claro_preprocess_media_library_item__widget'
        ],
      ];
    }
  }

  if (!in_array('views_view__media_library', $theme_registry)) {
    $template = 'views-view--media-library';
    $path = $claroThemePath . '/templates/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['views_view__media_library'] = [
        'template' => $template,
        'path' => $path,
        'variables' => [
          'view_array' => [],
          'view' => NULL,
          'rows' => [],
          'header' => [],
          'footer' => [],
          'empty' => [],
          'exposed' => [],
          'more' => [],
          'feed_icons' => [],
          'pager' => [],
          'title' => '',
          'attachment_before' => [],
          'attachment_after' => [],
        ],
        'base hook' => 'views_view',
        'type' => 'theme_engine',
        'theme path' => $claroThemePath,
        'preprocess functions' => [
          "template_preprocess",
          "template_preprocess_views_view",
          "contextual_preprocess",
          'views_ui_preprocess_views_view',
          'media_library_preprocess_views_view__media_library',
        ],
        'includes' => [
          'core/modules/views/views.theme.inc',
          'core/modules/views/views.theme.inc',
        ]
      ];
    }
  }

  if (!in_array('views_view_unformatted__media_library', $theme_registry)) {
    $template = 'views-view-unformatted--media-library';
    $path = $claroThemePath . '/templates/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['views_view_unformatted__media_library'] = [
        'template' => $template,
        'path' => $path,
        'base hook' => 'views_view_unformatted',
        'type' => 'theme_engine',
        'theme path' => $claroThemePath,
        'variables' => [
          'view' => NULL,
          'options' => NULL,
          'rows' => NULL,
          'title' => NULL,
        ],
        'preprocess functions' => [
          "template_preprocess",
          "template_preprocess_views_view_unformatted",
          "contextual_preprocess",
        ],
        'includes' => [
          'core/modules/views/views.theme.inc'
        ]
      ];
    }
  }

  if (!in_array('views_view_fields__media_library', $theme_registry)) {
    $template = 'views-view-fields';
    $path = 'core/modules/views/templates';
    if (templateExists($path, $template)) {
      $theme_registry['views_view_fields__media_library'] = [
        'template' => $template,
        'path' => $path,
        'base hook' => 'views_view_fields',
        'type' => 'module',
        'theme path' => 'core/modules/views',
        'variables' => [
          'view' => NULL,
          'options' => NULL,
          'row' => NULL,
          'field_alias' => NULL,
        ],
        'preprocess functions' => [
          'template_preprocess',
          'template_preprocess_views_view_fields',
          'bo_preprocess_views_view_fields',
          'contextual_preprocess',
          'media_library_preprocess_views_view_fields',
          'claro_preprocess_views_view_fields__media_library',
        ],
        'includes' => [
          'core/modules/views/views.theme.inc',
        ]
      ];
    }
  }

  if (!in_array('fieldset__media_library_widget', $theme_registry)) {
    $template = 'fieldset--media-library-widget';
    $path = $claroThemePath . '/templates/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['fieldset__media_library_widget'] = [
        'template' => $template,
        'path' => $path,
        'render element' => 'element',
        'base hook' => 'fieldset',
        'type' => 'theme_engine',
        'theme path' => $claroThemePath,
        'preprocess functions' => [
          'template_preprocess',
          'template_preprocess_fieldset',
          'contextual_preprocess',
          'claro_preprocess_fieldset',
          'claro_preprocess_fieldset__media_library_widget',
        ],
      ];
    }
  }

  if (!in_array('links__media_library_menu', $theme_registry)) {
    $template = 'links--media-library-menu';
    $path = $claroThemePath . '/templates/classy/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['links__media_library_menu'] = [
        'template' => $template,
        'path' => $path,
        'variables' => [
          'links' => [],
          'attributes' => [
            'class' => [
              'links'
            ],
          ],
          'heading' => [],
          'set_active_class' => FALSE,
        ],
        'base hook' => 'links',
        'type' => 'theme_engine',
        'theme path' => $claroThemePath,
        'preprocess functions' => [
          'template_preprocess',
          'template_preprocess_links',
          'contextual_preprocess',
          'claro_preprocess_links',
          'claro_preprocess_links__media_library_menu',
        ],
      ];
    }
  }

  if (!in_array('item_list__media_library_add_form_media_list', $theme_registry)) {
    $template = 'item-list--media-library-add-form-media-list';
    $path = $claroThemePath . '/templates/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['item_list__media_library_add_form_media_list'] = [
        'template' => $template,
        'path' => $path,
        'variables' => [
          'items' => [],
          'title' => "",
          'list_type' => "ul",
          'wrapper_attributes' => [],
          'attributes' => [],
          'empty' => NULL,
          'context' => [],
        ],
        'base hook' => 'item_list',
        'type' => 'theme_engine',
        'theme path' => $claroThemePath,
        'preprocess functions' => [
          'template_preprocess',
          'template_preprocess_item_list',
          'contextual_preprocess',
          'claro_preprocess_item_list__media_library_add_form_media_list',
        ],
      ];
    }
  }

  if (!in_array('details__media_library_add_form_selected_media', $theme_registry)) {
    $template = 'details--media-library-add-form-selected-media';
    $path = $claroThemePath . '/templates/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['details__media_library_add_form_selected_media'] = [
        'template' => $template,
        'path' => $path,
        'render element' => 'element',
        'base hook' => 'details',
        'type' => 'theme_engine',
        'theme path' => $claroThemePath,
        'preprocess functions' => [
          'template_preprocess',
          'template_preprocess_details',
          'contextual_preprocess',
          'claro_preprocess_details',
        ],
      ];
    }
  }

  if (!in_array('container__media_library_widget_selection', $theme_registry)) {
    $template = 'container--media-library-widget-selection';
    $path = $claroThemePath . '/templates/classy/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['container__media_library_widget_selection'] = [
        'template' => $template,
        'path' => $path,
        'render element' => 'element',
        'base hook' => 'container',
        'type' => 'theme_engine',
        'theme path' => $claroThemePath,
        'preprocess functions' => [
          'template_preprocess',
          'template_preprocess_container',
          'contextual_preprocess',
        ],
      ];
    }
  }

  if (!in_array('container__media_library_content', $theme_registry)) {
    $template = 'container--media-library-content';
    $path = $claroThemePath . '/templates/classy/media-library';
    if (templateExists($path, $template)) {
      $theme_registry['container__media_library_content'] = [
        'template' => $template,
        'path' => $path,
        'render element' => 'element',
        'base hook' => 'container',
        'type' => 'theme_engine',
        'theme path' => $claroThemePath,
        'preprocess functions' => [
          'template_preprocess',
          'template_preprocess_container',
          'contextual_preprocess',
        ],
      ];
    }
  }
}

/**
 * Implements hook_views_pre_render().
 */
function claro_media_library_theme_views_pre_render(ViewExecutable $view) {
  if (function_exists('claro_views_pre_render')) {
    claro_views_pre_render($view);
  }
}

/**
 * Implements hook_form_alter().
 */
function claro_media_library_theme_form_alter(array &$form, FormStateInterface $form_state, $form_id) {
  // Load some custom CSS.
  $form['#attached']['library'][] = 'claro_media_library_theme/claro_media_library_theme';

  // Make sure all Claro Media Mibrary CSS/JS is loaded.
  $form['#attached']['library'][] = 'claro/media_library.theme';

  // Force loading the 'claro_form_alter()' hook. It is not executed automatically because
  // the Claro theme isn't the active theme.
  if (function_exists('claro_form_alter')) {
    claro_form_alter($form, $form_state, $form_id);
  }
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function claro_media_library_theme_form_media_library_add_form_alter(array &$form, FormStateInterface $form_state) {
  // Force loading the 'claro_form_media_library_add_form_alter()' hook. It is not executed automatically because
  // the Claro theme isn't the active theme.
  if (function_exists('claro_form_media_library_add_form_alter')) {
    claro_form_media_library_add_form_alter($form, $form_state);
  }
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function claro_media_library_theme_form_media_library_add_form_upload_alter(array &$form, FormStateInterface $form_state) {
  // Force loading the 'claro_form_media_library_add_form_upload_alter()' hook. It is not executed automatically because
  // the Claro theme isn't the active theme.
  if (function_exists('claro_form_media_library_add_form_upload_alter')) {
    claro_form_media_library_add_form_upload_alter($form, $form_state);
  }
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function claro_media_library_theme_form_media_library_add_form_oembed_alter(array &$form, FormStateInterface $form_state) {
  // Force loading the 'claro_form_media_library_add_form_oembed_alter()' hook. It is not executed automatically because
  // the Claro theme isn't the active theme.
  if (function_exists('claro_form_media_library_add_form_oembed_alter')) {
    claro_form_media_library_add_form_oembed_alter($form, $form_state);
  }
}

/**
 * Helper function that checks the existing of a template.
 * @param $path
 * @param $template
 * @return bool
 */
function templateExists($path, $template) {
  return file_exists(DRUPAL_ROOT . '/' . $path . '/' .$template . '.html.twig');
}