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<?php
# Lifter010: TODO
/*
* AutoNavigation.php - Stud.IP auto navigation class
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* @author Elmar Ludwig
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
*/
class AutoNavigation extends Navigation
{
/**
* Determine whether this navigation item is active or not.
* This implementation tries to guess it based on the request
* URL and query parameters.
*
* @return boolean true if item is active, false otherwise
*/
public function isActive()
{
if (isset($this->active)) {
return $this->active;
}
$url = $this->getURL();
// if URL is set, try to guess whether active or not
if (isset($url)) {
$request_path = explode('?', Request::path())[0];
$request_url = explode('?', Request::url())[0];
if (!preg_match('%^[a-z]+:%', $url) && $url[0] !== '/') {
$url = $GLOBALS['CANONICAL_RELATIVE_PATH_STUDIP'].$url;
}
if ($url === $request_path || $url === $request_url) {
$this->active = true;
if (isset($this->params)) {
foreach ($this->params as $key => $val) {
if (Request::get($key) != $val) {
$this->active = false;
}
}
}
if ($this->active) {
return true;
}
}
}
return $this->active = (boolean) $this->activeSubNavigation();
}
}
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