yaffs.net Git - yaffs-website/blob - web/themes/contrib/bootstrap/src/Plugin/Preprocess/Region.php

   1 <?php
   2
   3 namespace Drupal\bootstrap\Plugin\Preprocess;
   4
   5 use Drupal\bootstrap\Bootstrap;
   6 use Drupal\bootstrap\Utility\Variables;
   7
   8 /**
   9  * Pre-processes variables for the "region" theme hook.
  10  *
  11  * @ingroup plugins_preprocess
  12  *
  13  * @BootstrapPreprocess("region")
  14  */
  15 class Region extends PreprocessBase implements PreprocessInterface {
  16
  17   /**
  18    * {@inheritdoc}
  19    */
  20   public function preprocessVariables(Variables $variables) {
  21     $region = $variables['elements']['#region'];
  22     $variables['region'] = $region;
  23     $variables['content'] = $variables['elements']['#children'];
  24
  25     // Help region.
  26     if ($region === 'help' && !empty($variables['content'])) {
  27       $variables['content'] = [
  28         'icon' => Bootstrap::glyphicon('question-sign'),
  29         'content' => ['#markup' => $variables['content']],
  30       ];
  31       $variables->addClass(['alert', 'alert-info', 'messages', 'info']);
  32     }
  33
  34     // Support for "well" classes in regions.
  35     static $region_wells;
  36     if (!isset($region_wells)) {
  37       $region_wells = $this->theme->getSetting('region_wells');
  38     }
  39     if (!empty($region_wells[$region])) {
  40       $variables->addClass($region_wells[$region]);
  41     }
  42   }
  43
  44 }