class.ilTestSequenceFactory.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
 
class ilTestSequenceFactory
{
        private $testSequence = null;
        
        private $db = null;
        
        private $lng = null;
        
        private $pluginAdmin = null;
        
        private $testOBJ = null;
        
        public function __construct(ilDB $db, ilLanguage $lng, ilPluginAdmin $pluginAdmin, ilObjTest $testOBJ)
        {
                $this->db = $db;
                $this->lng = $lng;
                $this->pluginAdmin = $pluginAdmin;
                $this->testOBJ = $testOBJ;
        }
        
        public function getSequence($testSession)
        {
                return $this->getSequenceByPass($testSession, $testSession->getPass());
        }
        
        public function getSequenceByPass($testSession, $pass)
        {
                if($this->testSequence === null)
                {
                        switch( $this->testOBJ->getQuestionSetType() )
                        {
                                case ilObjTest::QUESTION_SET_TYPE_FIXED:
 
                                        require_once 'Modules/Test/classes/class.ilTestSequenceFixedQuestionSet.php';
                                        $this->testSequence = new ilTestSequenceFixedQuestionSet(
                                                        $testSession->getActiveId(), $pass, $this->testOBJ->isRandomTest()
                                        );
                                        break;
 
                                case ilObjTest::QUESTION_SET_TYPE_RANDOM:
 
                                        require_once 'Modules/Test/classes/class.ilTestSequenceRandomQuestionSet.php';
                                        $this->testSequence = new ilTestSequenceRandomQuestionSet(
                                                        $testSession->getActiveId(), $pass, $this->testOBJ->isRandomTest()
                                        );
                                        break;
 
                                case ilObjTest::QUESTION_SET_TYPE_DYNAMIC:
 
                                        require_once 'Modules/Test/classes/class.ilTestSequenceDynamicQuestionSet.php';
                                        require_once 'Modules/Test/classes/class.ilTestDynamicQuestionSet.php';
                                        $questionSet = new ilTestDynamicQuestionSet(
                                                        $this->db, $this->lng, $this->pluginAdmin, $this->testOBJ
                                        );
                                        $this->testSequence = new ilTestSequenceDynamicQuestionSet(
                                                        $this->db, $questionSet, $testSession->getActiveId()
                                        );
                                        
                                        #$this->testSequence->setPreventCheckedQuestionsFromComingUpEnabled(
                                        #       $this->testOBJ->isInstantFeedbackAnswerFixationEnabled()
                                        #); // checked questions now has to come up any time, so they can be set to unchecked right at this moment
                                        
                                        break;
                        }
                }
 
                return $this->testSequence;
        }
}