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     {
16         global $ID;
17         parent::__construct();
18 
19         $parent = tpl_getparent($ID);
20         if (!$parent) {
21             throw new \RuntimeException("No parent for back action");
22         }
23 
24         $this->id = $parent;
25         $this->params = ['do' => ''];
26         $this->accesskey = 'b';
27         $this->svg = DOKU_INC . 'lib/images/menu/12-back_arrow-left.svg';
28     }
29 }
30