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 global $PRE; 26 global $TEXT; 27 global $INPUT; 28 global $ID; 29 global $ACT; 30 31 $opts = ['id' => $ID, 'preact' => $ACT]; 32 //get section name when coming from section edit 33 if ($INPUT->has('hid')) { 34 // Use explicitly transmitted header id 35 $opts['fragment'] = $INPUT->str('hid'); 36 } elseif ($PRE && preg_match('/^\s*==+([^=\n]+)/', $TEXT, $match)) { 37 // Fallback to old mechanism 38 $check = false; //Byref 39 $opts['fragment'] = sectionID($match[0], $check); 40 } 41 42 // execute the redirect 43 Event::createAndTrigger('ACTION_SHOW_REDIRECT', $opts, [$this, 'redirect']); 44 45 // should never be reached 46 throw new ActionAbort('show'); 47 } 48 49 /** 50 * Execute the redirect 51 * 52 * Default action for ACTION_SHOW_REDIRECT 53 * 54 * @param array $opts id and fragment for the redirect and the preact 55 */ 56 public function redirect($opts) { 57 $go = wl($opts['id'], '', true, '&'); 58 if(isset($opts['fragment'])) $go .= '#' . $opts['fragment']; 59 60 //show it 61 send_redirect($go); 62 } 63} 64