class.ilTestExpressPage.php

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<?php

/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilTestExpressPage
{
        public static function getReturnToPageLink($q_id = null)
        {
                global $ilCtrl;

                $q_id  = $q_id ? $q_id : $_REQUEST['q_id'];
                $refId = self::fetchTargetRefIdParameter();

                if($_REQUEST['q_id'])
                {
                        $q_id = $q_id ? $q_id : (isset($_REQUEST['prev_qid']) ? $_REQUEST['prev_qid'] : $_REQUEST['q_id']);

                        $ilCtrl->setParameterByClass('iltestexpresspageobjectgui', 'test_express_mode', 1);
                        $ilCtrl->setParameterByClass('iltestexpresspageobjectgui', 'ref_id', $refId);
                        $ilCtrl->setParameterByClass('iltestexpresspageobjectgui', 'q_id', $q_id);

                        return $ilCtrl->getLinkTargetByClass(
                                array('ilobjtestgui', 'iltestexpresspageobjectgui'), 'edit', '', false, false
                        );
                }

                $ilCtrl->setParameterByClass('ilobjtestgui', 'test_express_mode', 1);
                $ilCtrl->setParameterByClass('ilobjtestgui', 'ref_id', $refId);

                return $ilCtrl->getLinkTargetByClass('ilobjtestgui', 'showQuestionsPerPage', '', false, false);
        }

        private static function fetchTargetRefIdParameter()
        {
                if($_REQUEST['calling_test'])
                {
                        return $_REQUEST['calling_test'];
                }
                elseif($_REQUEST['test_ref_id'])
                {
                        return $_REQUEST['test_ref_id'];
                }

                return $_REQUEST['ref_id'];
        }
}