aleph1.co.uk Git - yaffs-website/blob - web/themes/contrib/bootstrap/src/Plugin/Preprocess/Region.php

   1 <?php
   2 /**
   3  * @file
   4  * Contains \Drupal\bootstrap\Plugin\Preprocess\Region.
   5  */
   6
   7 namespace Drupal\bootstrap\Plugin\Preprocess;
   8
   9 use Drupal\bootstrap\Annotation\BootstrapPreprocess;
  10 use Drupal\bootstrap\Bootstrap;
  11 use Drupal\bootstrap\Utility\Variables;
  12
  13 /**
  14  * Pre-processes variables for the "region" theme hook.
  15  *
  16  * @ingroup plugins_preprocess
  17  *
  18  * @BootstrapPreprocess("region")
  19  */
  20 class Region extends PreprocessBase implements PreprocessInterface {
  21
  22   /**
  23    * {@inheritdoc}
  24    */
  25   public function preprocessVariables(Variables $variables) {
  26     $region = $variables['elements']['#region'];
  27     $variables['region'] = $region;
  28     $variables['content'] = $variables['elements']['#children'];
  29
  30     // Help region.
  31     if ($region === 'help' && !empty($variables['content'])) {
  32       $variables['content'] = [
  33         'icon' => Bootstrap::glyphicon('question-sign'),
  34         'content' => ['#markup' => $variables['content']],
  35       ];
  36       $variables->addClass(['alert', 'alert-info', 'messages', 'info']);
  37     }
  38
  39     // Support for "well" classes in regions.
  40     static $region_wells;
  41     if (!isset($region_wells)) {
  42       $region_wells = $this->theme->getSetting('region_wells');
  43     }
  44     if (!empty($region_wells[$region])) {
  45       $variables->addClass($region_wells[$region]);
  46     }
  47   }
  48
  49 }