function facets_preprocess_block in Facets 8

Implements hook_preprocess_block().

Adds a class for the widget to the facet block to allow for more specific styling.

File

./facets.module, line 130

Contains facets.module.

Code

function facets_preprocess_block(&$variables) {
  if ($variables['configuration']['provider'] == 'facets') {

    // Hide the block if it's empty.
    if (!empty($variables['elements']['content'][0]['#attributes']['class']) && in_array('facet-hidden', $variables['elements']['content'][0]['#attributes']['class'])) {

      // Add the Drupal class for hiding this for everyone, including screen
      // readers. See hidden.module.css in the core system module.
      $variables['attributes']['class'][] = 'hidden';
    }
    if (!empty($variables['derivative_plugin_id'])) {
      $facet = Facet::load($variables['derivative_plugin_id']);
      $variables['attributes']['class'][] = 'block-facet--' . Html::cleanCssIdentifier($facet
        ->getWidget()['type']);
    }
  }
}