1<?php 2 3namespace dokuwiki\Action; 4 5use dokuwiki\Action\Exception\ActionAbort; 6 7/** 8 * Class Redirect 9 * 10 * Used to redirect to the current page with the last edited section as a target if found 11 * 12 * @package dokuwiki\Action 13 */ 14class Redirect extends AbstractAliasAction { 15 16 /** 17 * Redirect to the show action, trying to jump to the previously edited section 18 * 19 * @triggers ACTION_SHOW_REDIRECT 20 * @throws ActionAbort 21 */ 22 public function preProcess() { 23 global $PRE; 24 global $TEXT; 25 global $INPUT; 26 global $ID; 27 global $ACT; 28 29 $opts = array( 30 'id' => $ID, 31 'preact' => $ACT 32 ); 33 //get section name when coming from section edit 34 if($INPUT->has('hid')) { 35 // Use explicitly transmitted header id 36 $opts['fragment'] = $INPUT->str('hid'); 37 } else if($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 trigger_event('ACTION_SHOW_REDIRECT', $opts, array($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 $go = wl($opts['id'], '', true, '&'); 59 if(isset($opts['fragment'])) $go .= '#' . $opts['fragment']; 60 61 //show it 62 send_redirect($go); 63 } 64} 65