function page_specific_class_preprocess_html in Page Specific Class 2.0.x

Same name and namespace in other branches

1. 8 page_specific_class.module \page_specific_class_preprocess_html()

Implements hook_preprocess_html().

File

./page_specific_class.module, line 15

This file adds a class to the body tag page-wise.

Code

function page_specific_class_preprocess_html(&$variables) {

  // Get current path.
  $current_path = \Drupal::service('path.current')
    ->getPath();

  // Get path from alias.
  $current_path = \Drupal::service('path_alias.manager')
    ->getPathByAlias($current_path);

  // Get settings from page specific class settings.
  $config = \Drupal::config('page_specific_class.settings');
  if (!empty($config
    ->get('url_with_class'))) {
    $enteredArr = explode(PHP_EOL, $config
      ->get('url_with_class'));
    foreach ($enteredArr as $values) {
      $urlWithClassArr = explode("|", $values);
      $url = trim(strtolower($urlWithClassArr[0]));
      if (isset($urlWithClassArr[1])) {
        $class = trim($urlWithClassArr[1]);
        $classes_array = explode(' ', $class);
        $front_page = \Drupal::service('path.matcher')
          ->isFrontPage();
        $enteredPath = \Drupal::service('path_alias.manager')
          ->getPathByAlias($url);

        // If current path and entered path by user in page class setting match,
        // then only add respective class.
        if ($current_path == $enteredPath) {
          foreach ($classes_array as $class) {
            $variables['attributes']['class'][] = Html::cleanCssIdentifier($class, []);
          }
        }
        elseif ($front_page && $enteredPath == "/<front>" || $enteredPath == "/*") {
          foreach ($classes_array as $class) {
            $variables['attributes']['class'][] = Html::cleanCssIdentifier($class, []);
          }
        }
      }
    }
  }
}