function pager_test_preprocess_pager

Implements hook_preprocess_HOOK().

File

core/modules/system/tests/modules/pager_test/pager_test.module, line 11

Code

function pager_test_preprocess_pager(&$variables) {
  // Nothing to do if there is only one page.
  $element = $variables['pager']['#element'];
  /** @var \Drupal\Core\Pager\PagerManagerInterface $pager_manager */
  $pager_manager = \Drupal::service('pager.manager');
  $pager = $pager_manager->getPager($element);
  // Nothing to do if there is no pager.
  if (!isset($pager)) {
    return;
  }
  // Nothing to do if there is only one page.
  if ($pager->getTotalPages() <= 1) {
    return;
  }
  foreach ($variables['items']['pages'] as $index => &$pager_item) {
    $pager_item['attributes']['pager-test'] = 'yes';
    $pager_item['attributes']->addClass('lizards');
  }
  unset($pager_item);
  foreach ([
    'first',
    'previous',
    'next',
    'last',
  ] as $special_pager_item) {
    if (isset($variables['items'][$special_pager_item])) {
      $variables['items'][$special_pager_item]['attributes']->addClass('lizards');
      $variables['items'][$special_pager_item]['attributes']['pager-test'] = $special_pager_item;
    }
  }
}