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<?php
namespace dokuwiki\Action;
use dokuwiki\Action\Exception\ActionAbort;
use dokuwiki\Extension\Event;
/**
* Class Redirect
*
* Used to redirect to the current page with the last edited section as a target if found
*
* @package dokuwiki\Action
*/
class Redirect extends AbstractAliasAction {
/**
* Redirect to the show action, trying to jump to the previously edited section
*
* @triggers ACTION_SHOW_REDIRECT
* @throws ActionAbort
*/
public function preProcess() {
global $PRE;
global $TEXT;
global $INPUT;
global $ID;
global $ACT;
$opts = array(
'id' => $ID,
'preact' => $ACT
);
//get section name when coming from section edit
if($INPUT->has('hid')) {
// Use explicitly transmitted header id
$opts['fragment'] = $INPUT->str('hid');
} else if($PRE && preg_match('/^\s*==+([^=\n]+)/', $TEXT, $match)) {
// Fallback to old mechanism
$check = false; //Byref
$opts['fragment'] = sectionID($match[0], $check);
}
// execute the redirect
Event::createAndTrigger('ACTION_SHOW_REDIRECT', $opts, array($this, 'redirect'));
// should never be reached
throw new ActionAbort('show');
}
/**
* Execute the redirect
*
* Default action for ACTION_SHOW_REDIRECT
*
* @param array $opts id and fragment for the redirect and the preact
*/
public function redirect($opts) {
$go = wl($opts['id'], '', true, '&');
if(isset($opts['fragment'])) $go .= '#' . $opts['fragment'];
//show it
send_redirect($go);
}
}
|
