tao-test/app/taoQtiTest/models/classes/runner/navigation/QtiRunnerNavigation.php

135 lines
5.3 KiB
PHP

<?php
/**
* 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; under version 2
* of the License (non-upgradable).
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2016 (original work) Open Assessment Technologies SA ;
*/
/**
* @author Jean-Sébastien Conan <jean-sebastien.conan@vesperiagroup.com>
*/
namespace oat\taoQtiTest\models\runner\navigation;
use oat\taoQtiTest\models\event\QtiMoveEvent;
use oat\taoQtiTest\models\runner\RunnerServiceContext;
use oat\taoQtiTest\models\runner\QtiRunnerServiceContext;
use qtism\data\ExtendedAssessmentItemRef;
use qtism\runtime\tests\AssessmentItemSession;
use oat\oatbox\service\ServiceManager;
use oat\oatbox\event\EventManager;
use qtism\runtime\tests\AssessmentTestSession;
/**
* Class QtiRunnerNavigation
* @package oat\taoQtiTest\models\runner\navigation
*/
class QtiRunnerNavigation
{
/**
* Gets a QTI runner navigator
* @param string $direction
* @param string $scope
* @return RunnerNavigation
* @throws \common_exception_InconsistentData
* @throws \common_exception_NotImplemented
*/
public static function getNavigator($direction, $scope)
{
$className = __NAMESPACE__ . '\QtiRunnerNavigation' . ucfirst($direction) . ucfirst($scope);
if (class_exists($className)) {
$navigator = new $className();
if ($navigator instanceof RunnerNavigation) {
return $navigator;
} else {
throw new \common_exception_InconsistentData('Navigator must be an instance of RunnerNavigation');
}
} else {
throw new \common_exception_NotImplemented('The action is invalid!');
}
}
/**
* @param string $direction
* @param string $scope
* @param RunnerServiceContext $context
* @param integer $ref
* @throws \common_exception_InvalidArgumentType
* @throws \common_exception_NotImplemented
* @return boolean
*/
public static function move($direction, $scope, RunnerServiceContext $context, $ref)
{
$navigator = self::getNavigator($direction, $scope);
if ($context instanceof QtiRunnerServiceContext) {
$from = $context->getTestSession()->isRunning() === true ? $context->getTestSession()->getRoute()->current() : null;
$event = new QtiMoveEvent(QtiMoveEvent::CONTEXT_BEFORE, $context->getTestSession(), $from);
ServiceManager::getServiceManager()->get(EventManager::SERVICE_ID)->trigger($event);
}
$result = $navigator->move($context, $ref);
if ($context instanceof QtiRunnerServiceContext) {
$to = $context->getTestSession()->isRunning() === true ? $context->getTestSession()->getRoute()->current() : null;
$event = new QtiMoveEvent(QtiMoveEvent::CONTEXT_AFTER, $context->getTestSession(), $from, $to);
ServiceManager::getServiceManager()->get(EventManager::SERVICE_ID)->trigger($event);
}
return $result;
}
/**
* Check if a timed section is exited
* @param RunnerServiceContext $context
* @param int $nextPosition
*/
public static function checkTimedSectionExit(RunnerServiceContext $context, $nextPosition)
{
$timerConfig = $context->getTestConfig()->getConfigValue('timer');
if (empty($timerConfig['keepUpToTimeout'])) {
/* @var AssessmentTestSession $session */
$session = $context->getTestSession();
$route = $session->getRoute();
$section = $session->getCurrentAssessmentSection();
$limits = $section->getTimeLimits();
// As we have only one identifier for the whole adaptive section it will consider a jump of section on the first item
if (!($context instanceof QtiRunnerServiceContext) || !$context->isAdaptive()) {
$isJumpOutOfSection = false;
if (($nextPosition >= 0) && ($nextPosition < $route->count())) {
$nextSection = $route->getRouteItemAt($nextPosition);
$isJumpOutOfSection = ($section->getIdentifier() !== $nextSection->getAssessmentSection()->getIdentifier());
}
if ($isJumpOutOfSection && $limits != null && $limits->hasMaxTime()) {
$assessmentItemRefs = $section->getComponentsByClassName('assessmentItemRef');
foreach ($assessmentItemRefs as $assessmentItemRef) {
$itemSessions = $session->getAssessmentItemSessions($assessmentItemRef->getIdentifier());
if ($itemSessions !== false) {
foreach ($itemSessions as $itemSession) {
$itemSession->endItemSession();
}
}
}
}
}
}
}
}