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 14 /** @inheritdoc */ 15 public function __construct() 16 { 17 global $ID; 18 parent::__construct(); 19 20 $parent = tpl_getparent($ID); 21 if (!$parent) { 22 throw new \RuntimeException("No parent for back action"); 23 } 24 25 $this->id = $parent; 26 $this->params = ['do' => '']; 27 $this->accesskey = 'b'; 28 $this->svg = DOKU_INC . 'lib/images/menu/12-back_arrow-left.svg'; 29 } 30 31} 32