1<?php 2 3namespace dokuwiki\Action; 4 5use dokuwiki\Action\Exception\ActionAbort; 6use dokuwiki\Extension\Event; 7 8/** 9 * Class Redirect 10 * 11 * Used to redirect to the current page with the last edited section as a target if found 12 * 13 * @package dokuwiki\Action 14 */ 15class Redirect extends AbstractAliasAction 16{ 17 18 /** 19 * Redirect to the show action, trying to jump to the previously edited section 20 * 21 * @triggers ACTION_SHOW_REDIRECT 22 * @throws ActionAbort 23 */ 24 public function preProcess() 25 { 26 global $PRE; 27 global $TEXT; 28 global $INPUT; 29 global $ID; 30 global $ACT; 31 32 $opts = ['id' => $ID, 'preact' => $ACT]; 33 //get section name when coming from section edit 34 if ($INPUT->has('hid')) { 35 // Use explicitly transmitted header id 36 $opts['fragment'] = $INPUT->str('hid'); 37 } elseif ($PRE && preg_match('/^\s*==+([^=\n]+)/', $TEXT, $match)) { 38 // Fallback to old mechanism 39 $check = false; //Byref 40 $opts['fragment'] = sectionID($match[0], $check); 41 } 42 43 // execute the redirect 44 Event::createAndTrigger('ACTION_SHOW_REDIRECT', $opts, [$this, 'redirect']); 45 46 // should never be reached 47 throw new ActionAbort('show'); 48 } 49 50 /** 51 * Execute the redirect 52 * 53 * Default action for ACTION_SHOW_REDIRECT 54 * 55 * @param array $opts id and fragment for the redirect and the preact 56 */ 57 public function redirect($opts) 58 { 59 $go = wl($opts['id'], '', true, '&'); 60 if(isset($opts['fragment'])) $go .= '#' . $opts['fragment']; 61 62 //show it 63 send_redirect($go); 64 } 65} 66