1<?php
2
3namespace 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 */
11class 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