function bootstrap_layouts_theme_registry_alter in Bootstrap Layouts 8.5

Same name and namespace in other branches

1. 8.4 bootstrap_layouts.module \bootstrap_layouts_theme_registry_alter()

Implements hook_theme_registry_alter().

File

./bootstrap_layouts.module, line 17

Contains bootstrap_layouts.module.

Code

function bootstrap_layouts_theme_registry_alter(&$theme_registry) {

  // Immediately return if the layout manager cannot be loaded.
  // This can happen during the update process.
  if (!\Drupal::hasService('plugin.manager.core.layout')) {
    return;
  }

  // Find all Bootstrap Layouts.
  $layouts = \Drupal::service('plugin.manager.core.layout')
    ->getDefinitions();
  $layout_theme_hooks = [];

  /** @var \Drupal\Core\Layout\LayoutDefinition $info */
  foreach ($layouts as $info) {
    if ($info
      ->getClass() === 'Drupal\\bootstrap_layouts\\Plugin\\Layout\\BootstrapLayoutsBase') {
      $layout_theme_hooks[] = $info
        ->getThemeHook();
    }
  }

  // Add a special internal preprocess function.
  foreach ($theme_registry as $theme_hook => $info) {
    if (in_array($theme_hook, $layout_theme_hooks) || !empty($info['base hook']) && in_array($info['base hook'], $layout_theme_hooks)) {
      $theme_registry[$theme_hook]['preprocess functions'][] = '_bootstrap_layouts_preprocess_layout';
    }
  }
}