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   1  <?php
   2  
   3  namespace dokuwiki\Menu\Item;
   4  
   5  /**
   6   * Class Back
   7   *
   8   * Navigates back up one namepspace. This is currently not used in any menu. Templates
   9   * would need to add this item manually.
  10   */
  11  class Back extends AbstractItem {
  12  
  13      /** @inheritdoc */
  14      public function __construct() {
  15          global $ID;
  16          parent::__construct();
  17  
  18          $parent = tpl_getparent($ID);
  19          if(!$parent) {
  20              throw new \RuntimeException("No parent for back action");
  21          }
  22  
  23          $this->id = $parent;
  24          $this->params = array('do' => '');
  25          $this->accesskey = 'b';
  26          $this->svg = DOKU_INC . 'lib/images/menu/12-back_arrow-left.svg';
  27      }
  28  
  29  }