Test sequence handler. More...

Inheritance diagram for ilTestSequence:

Collaboration diagram for ilTestSequence:

Public Member Functions
	__construct ($active_id, $pass, $randomtest)
	ilTestSequence constructor More...

	getActiveId ()

	createNewSequence ($max, $shuffle)

	loadQuestions (ilTestQuestionSetConfig $testQuestionSetConfig=null, $taxonomyFilterSelection=array())
	Loads the question mapping. More...

	loadFromDb ()
	Loads the sequence data for a given active id. More...

	saveToDb ()
	Saves the sequence data for a given pass to the database. More...

	postponeQuestion ($question_id)

	hideQuestion ($question_id)

	isPostponedQuestion ($question_id)

	isHiddenQuestion ($question_id)

	isPostponedSequence ($sequence)

	isHiddenSequence ($sequence)

	postponeSequence ($sequence)

	hideSequence ($sequence)

	setQuestionChecked ($questionId)

	isQuestionChecked ($questionId)

	getPositionOfSequence ($sequence)

	getUserQuestionCount ()

	getOrderedSequence ()

	getOrderedSequenceQuestions ()

	getUserSequence ()

	getUserSequenceQuestions ()

	getSequenceForQuestion ($question_id)

	getFirstSequence ()

	getLastSequence ()

	getNextSequence ($sequence)

	getPreviousSequence ($sequence)

	pcArrayShuffle ($array)
	Shuffles the values of a given array. More...

	getQuestionForSequence ($sequence)

	getSequenceSummary ($obligationsFilterEnabled=false)

	getPass ()

	setPass ($pass)

	hasSequence ()

	hasHiddenQuestions ()

	clearHiddenQuestions ()

	hasStarted (ilTestSession $testSession)

	openQuestionExists ()

	getQuestionIds ()

	questionExists ($questionId)

	setQuestionOptional ($questionId)

	isQuestionOptional ($questionId)

	hasOptionalQuestions ()

	getOptionalQuestions ()

	clearOptionalQuestions ()

	reorderOptionalQuestionsToSequenceEnd ()

	isAnsweringOptionalQuestionsConfirmed ()

	setAnsweringOptionalQuestionsConfirmed ($answeringOptionalQuestionsConfirmed)

	isConsiderHiddenQuestionsEnabled ()

	setConsiderHiddenQuestionsEnabled ($considerHiddenQuestionsEnabled)

	isConsiderOptionalQuestionsEnabled ()

	setConsiderOptionalQuestionsEnabled ($considerOptionalQuestionsEnabled)

	getQuestionIds ()

	getActiveId ()

	getSequenceSummary ($obligationsFilterEnabled=false)

Data Fields
	$sequencedata

	$questions

	$active_id

	$pass

	$isRandomTest

Protected Member Functions
	getCorrectedSequence ()

Private Member Functions
	loadQuestionSequence ()

	loadCheckedQuestions ()

	loadOptionalQuestions ()

	saveQuestionSequence ()

	saveNewlyCheckedQuestion ()
	@global ilDBInterface $ilDB More...

	saveOptionalQuestions ()
	@global ilDBInterface $ilDB More...

	ensureQuestionNotInSequence ($sequence, $questionId)

	hideCorrectAnsweredQuestions (ilObjTest $testOBJ, $activeId, $pass)

Private Attributes
	$alreadyCheckedQuestions

	$newlyCheckedQuestion

	$optionalQuestions

	$answeringOptionalQuestionsConfirmed

	$considerHiddenQuestionsEnabled

	$considerOptionalQuestionsEnabled

Detailed Description

Test sequence handler.

This class manages the sequence settings for a given user

Author: Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m

Version: $Id$

Definition at line 16 of file class.ilTestSequence.php.

Constructor & Destructor Documentation

◆ __construct()

ilTestSequence::__construct	(	$active_id,
		$pass,
		$randomtest
	)

ilTestSequence constructor

The constructor takes possible arguments an creates an instance of the ilTestSequence object.

Parameters

object $a_object A reference to the test container object @access public

Definition at line 92 of file class.ilTestSequence.php.

        {
                $this->active_id = $active_id;
                $this->pass = $pass;
                $this->isRandomTest = $randomtest;
                $this->sequencedata = array(
                        "sequence" => array(),
                        "postponed" => array(),
                        "hidden" => array()
                );
                
                $this->alreadyCheckedQuestions = array();
                $this->newlyCheckedQuestion = null;
                
                $this->optionalQuestions = array();
                $this->answeringOptionalQuestionsConfirmed = false;
                
                $this->considerHiddenQuestionsEnabled = false;
                $this->considerOptionalQuestionsEnabled = true;
        }

References $active_id, and $pass.

Member Function Documentation

◆ clearHiddenQuestions()

ilTestSequence::clearHiddenQuestions ( )

Definition at line 719 of file class.ilTestSequence.php.

        {
                $this->sequencedata["hidden"] = array();
        }

Referenced by ilLOTestQuestionAdapter\hideQuestions().

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◆ clearOptionalQuestions()

ilTestSequence::clearOptionalQuestions ( )

Definition at line 796 of file class.ilTestSequence.php.

        {
                $this->optionalQuestions = array();
        }

Referenced by ilLOTestQuestionAdapter\setQuestionsOptional().

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◆ createNewSequence()

ilTestSequence::createNewSequence	(	$max,
		$shuffle
	)

Definition at line 118 of file class.ilTestSequence.php.

        {
                $newsequence = array();
                if ($max > 0)
                {
                        for ($i = 1; $i <= $max; $i++)
                        {
                                array_push($newsequence, $i);
                        }
                        if ($shuffle) $newsequence = $this->pcArrayShuffle($newsequence);
                }
                $this->sequencedata["sequence"] = $newsequence;
        }

References pcArrayShuffle().

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◆ ensureQuestionNotInSequence()

ilTestSequence::ensureQuestionNotInSequence	(	$sequence,
		$questionId
	)

private

Definition at line 485 of file class.ilTestSequence.php.

        {
                $questionKey = array_search($questionId, $this->questions);
                
                if( $questionKey === false )
                {
                        return $sequence;
                }
                
                $sequenceKey = array_search($questionKey, $sequence);
                
                if( $sequenceKey === FALSE )
                {
                        return $sequence;
                }
 
                unset($sequence[$sequenceKey]);
                
                return $sequence;
        }

Referenced by getCorrectedSequence().

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◆ getActiveId()

ilTestSequence::getActiveId ( )

Implements ilTestSequenceSummaryProvider.

Definition at line 113 of file class.ilTestSequence.php.

        {
                return $this->active_id;
        }

References $active_id.

◆ getCorrectedSequence()

ilTestSequence::getCorrectedSequence ( )

protected

Definition at line 506 of file class.ilTestSequence.php.

        {
                $correctedsequence = $this->sequencedata["sequence"];
                if( !$this->isConsiderHiddenQuestionsEnabled() )
                {
                        if (is_array($this->sequencedata["hidden"]))
                        {
                                foreach ($this->sequencedata["hidden"] as $question_id)
                                {
                                        $correctedsequence = $this->ensureQuestionNotInSequence($correctedsequence, $question_id);
                                }
                        }
                }
                if( !$this->isConsiderOptionalQuestionsEnabled() )
                {
                        foreach($this->optionalQuestions as $questionId)
                        {
                                $correctedsequence = $this->ensureQuestionNotInSequence($correctedsequence, $questionId);
                        }
                }
                if (is_array($this->sequencedata["postponed"]))
                {
                        foreach ($this->sequencedata["postponed"] as $question_id)
                        {
                                $foundsequence = array_search($question_id, $this->questions);
                                if ($foundsequence !== FALSE)
                                {
                                        $sequencekey = array_search($foundsequence, $correctedsequence);
                                        if ($sequencekey !== FALSE)
                                        {
                                                unset($correctedsequence[$sequencekey]);
                                                array_push($correctedsequence, $foundsequence);
                                        }
                                }
                        }
                }
                return array_values($correctedsequence);
        }

References ensureQuestionNotInSequence(), isConsiderHiddenQuestionsEnabled(), and isConsiderOptionalQuestionsEnabled().

Referenced by getFirstSequence(), getLastSequence(), getNextSequence(), getPositionOfSequence(), getPreviousSequence(), getSequenceSummary(), getUserQuestionCount(), getUserSequence(), and getUserSequenceQuestions().

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◆ getFirstSequence()

ilTestSequence::getFirstSequence ( )

Definition at line 550 of file class.ilTestSequence.php.

        {
                $correctedsequence = $this->getCorrectedSequence();
                if (count($correctedsequence))
                {
                        return reset($correctedsequence);
                }
                else
                {
                        return FALSE;
                }
        }

References getCorrectedSequence().

Referenced by openQuestionExists().

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◆ getLastSequence()

ilTestSequence::getLastSequence ( )

Definition at line 563 of file class.ilTestSequence.php.

        {
                $correctedsequence = $this->getCorrectedSequence();
                if (count($correctedsequence))
                {
                        return end($correctedsequence);
                }
                else
                {
                        return FALSE;
                }
        }

References getCorrectedSequence().

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◆ getNextSequence()

ilTestSequence::getNextSequence ( $sequence )

Definition at line 576 of file class.ilTestSequence.php.

        {
                $correctedsequence = $this->getCorrectedSequence();
                $sequencekey = array_search($sequence, $correctedsequence);
                if ($sequencekey !== FALSE)
                {
                        $nextsequencekey = $sequencekey + 1;
                        if (array_key_exists($nextsequencekey, $correctedsequence))
                        {
                                return $correctedsequence[$nextsequencekey];
                        }
                }
                return FALSE;
        }

References getCorrectedSequence().

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◆ getOptionalQuestions()

ilTestSequence::getOptionalQuestions ( )

Definition at line 791 of file class.ilTestSequence.php.

        {
                return $this->optionalQuestions;
        }

References $optionalQuestions.

◆ getOrderedSequence()

ilTestSequence::getOrderedSequence ( )

Definition at line 425 of file class.ilTestSequence.php.

        {
                $sequenceKeys = array();
                
                foreach(array_keys($this->questions) as $sequenceKey)
                {
                        if( $this->isHiddenSequence($sequenceKey) && !$this->isConsiderHiddenQuestionsEnabled() )
                        {
                                continue;
                        }
                        
                        if( $this->isSequenceOptional($sequenceKey) && !$this->isConsiderOptionalQuestionsEnabled() )
                        {
                                continue;
                        }
                        
                        $sequenceKeys[] = $sequenceKey;
                }
                
                return $sequenceKeys;
        }

References isConsiderHiddenQuestionsEnabled(), isConsiderOptionalQuestionsEnabled(), and isHiddenSequence().

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◆ getOrderedSequenceQuestions()

ilTestSequence::getOrderedSequenceQuestions ( )

Definition at line 447 of file class.ilTestSequence.php.

        {
                $questions = array();
                
                foreach($this->questions as $questionId)
                {
                        if( $this->isHiddenQuestion($questionId) && !$this->isConsiderHiddenQuestionsEnabled() )
                        {
                                continue;
                        }
                        
                        if( $this->isQuestionOptional($questionId) && !$this->isConsiderOptionalQuestionsEnabled() )
                        {
                                continue;
                        }
                        
                        $questions[] = $questionId;
                }
                
                return $questions;
        }

References $questions, isConsiderHiddenQuestionsEnabled(), isConsiderOptionalQuestionsEnabled(), isHiddenQuestion(), and isQuestionOptional().

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◆ getPass()

ilTestSequence::getPass ( )

Definition at line 685 of file class.ilTestSequence.php.

        {
                return $this->pass;
        }

References $pass.

◆ getPositionOfSequence()

ilTestSequence::getPositionOfSequence ( $sequence )

Definition at line 406 of file class.ilTestSequence.php.

        {
                $correctedsequence = $this->getCorrectedSequence();
                $sequencekey = array_search($sequence, $correctedsequence);
                if ($sequencekey !== FALSE)
                {
                        return $sequencekey + 1;
                }
                else
                {
                        return "";
                }
        }

References getCorrectedSequence().

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◆ getPreviousSequence()

ilTestSequence::getPreviousSequence ( $sequence )

Definition at line 591 of file class.ilTestSequence.php.

        {
                $correctedsequence = $this->getCorrectedSequence();
                $sequencekey = array_search($sequence, $correctedsequence);
                if ($sequencekey !== FALSE)
                {
                        $prevsequencekey = $sequencekey - 1;
                        if (($prevsequencekey >= 0) && (array_key_exists($prevsequencekey, $correctedsequence)))
                        {
                                return $correctedsequence[$prevsequencekey];
                        }
                }
                return FALSE;
        }

References getCorrectedSequence().

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◆ getQuestionForSequence()

ilTestSequence::getQuestionForSequence ( $sequence )

Definition at line 626 of file class.ilTestSequence.php.

        {
                if ($sequence < 1) return FALSE;
                if (array_key_exists($sequence, $this->questions))
                {
                        return $this->questions[$sequence];
                }
                else
                {
                        return FALSE;
                }
        }

Referenced by getSequenceSummary(), getUserSequenceQuestions(), and reorderOptionalQuestionsToSequenceEnd().

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◆ getQuestionIds()

ilTestSequence::getQuestionIds ( )

Implements ilTestQuestionSequence.

Definition at line 766 of file class.ilTestSequence.php.

        {
                return array_values($this->questions);
        }

Referenced by ilLOTestQuestionAdapter\hideQuestions(), ilLOTestQuestionAdapter\setQuestionsOptional(), ilLOTestQuestionAdapter\updateRandomQuestions(), and ilLOTestQuestionAdapter\updateSeparateTestQuestions().

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◆ getSequenceForQuestion()

ilTestSequence::getSequenceForQuestion ( $question_id )

Definition at line 545 of file class.ilTestSequence.php.

        {
                return array_search($question_id, $this->questions);
        }

◆ getSequenceSummary()

ilTestSequence::getSequenceSummary ( $obligationsFilterEnabled = false )

Implements ilTestSequenceSummaryProvider.

Definition at line 639 of file class.ilTestSequence.php.

        {
                $correctedsequence = $this->getCorrectedSequence();
                $result_array = array();
                include_once "./Modules/Test/classes/class.ilObjTest.php";
                $solved_questions = ilObjTest::_getSolvedQuestions($this->active_id);
                $key = 1;
                foreach ($correctedsequence as $sequence)
                {
                        $question =& ilObjTest::_instanciateQuestion($this->getQuestionForSequence($sequence));
                        if (is_object($question))
                        {
                                $worked_through = $question->_isWorkedThrough($this->active_id, $question->getId(), $this->pass);
                                $solved  = 0;
                                if (array_key_exists($question->getId(), $solved_questions))
                                {
                                        $solved =  $solved_questions[$question->getId()]["solved"];
                                }
                                $is_postponed = $this->isPostponedQuestion($question->getId());
 
                                $row = array(
                                        "nr" => "$key",
                                        "title" => $question->getTitle(),
                                        "qid" => $question->getId(),
                                        "visited" => $worked_through,
                                        "solved" => (($solved)?"1":"0"),
                                        "description" => $question->getComment(),
                                        "points" => $question->getMaximumPoints(),
                                        "worked_through" => $worked_through,
                                        "postponed" => $is_postponed,
                                        "sequence" => $sequence,
                                        "obligatory" => ilObjTest::isQuestionObligatory($question->getId()),
                                        'isAnswered' => $question->isAnswered($this->active_id, $this->pass)
                                );
                                
                                if( !$obligationsFilterEnabled || $row['obligatory'] )
                                {
                                        array_push($result_array, $row);
                                }
                                
                                $key++;
                        }
                }
                return $result_array;
        }

References $row, ilObjTest\_getSolvedQuestions(), ilObjTest\_instanciateQuestion(), getCorrectedSequence(), getQuestionForSequence(), isPostponedQuestion(), and ilObjTest\isQuestionObligatory().

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◆ getUserQuestionCount()

ilTestSequence::getUserQuestionCount ( )

Definition at line 420 of file class.ilTestSequence.php.

        {
                return count($this->getCorrectedSequence());
        }

References getCorrectedSequence().

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◆ getUserSequence()

ilTestSequence::getUserSequence ( )

Definition at line 469 of file class.ilTestSequence.php.

        {
                return $this->getCorrectedSequence();
        }

References getCorrectedSequence().

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◆ getUserSequenceQuestions()

ilTestSequence::getUserSequenceQuestions ( )

Definition at line 474 of file class.ilTestSequence.php.

        {
                $seq = $this->getCorrectedSequence();
                $found = array();
                foreach ($seq as $sequence)
                {
                        array_push($found, $this->getQuestionForSequence($sequence));
                }
                return $found;
        }

References getCorrectedSequence(), and getQuestionForSequence().

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◆ hasHiddenQuestions()

ilTestSequence::hasHiddenQuestions ( )

Definition at line 707 of file class.ilTestSequence.php.

        {
                if ((is_array($this->sequencedata["hidden"])) && (count($this->sequencedata["hidden"]) > 0))
                {
                        return TRUE;
                }
                else
                {
                        return FALSE;
                }
        }

◆ hasOptionalQuestions()

ilTestSequence::hasOptionalQuestions ( )

Definition at line 786 of file class.ilTestSequence.php.

        {
                return (bool)count($this->optionalQuestions);
        }

◆ hasSequence()

ilTestSequence::hasSequence ( )

Definition at line 695 of file class.ilTestSequence.php.

        {
                if ((is_array($this->sequencedata["sequence"])) && (count($this->sequencedata["sequence"]) > 0))
                {
                        return TRUE;
                }
                else
                {
                        return FALSE;
                }
        }

◆ hasStarted()

ilTestSequence::hasStarted ( ilTestSession $testSession )

Definition at line 745 of file class.ilTestSequence.php.

        {
                if( $testSession->getLastSequence() < 1 )
                {
                        return false;
                }
                
                // WTF ?? heard about tests with only one question !?
                if( $testSession->getLastSequence() == $this->getFirstSequence() )
                {
                        return false;
                }
                                
                return true;
        }

References ilTestSession\getLastSequence().

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◆ hideCorrectAnsweredQuestions()

ilTestSequence::hideCorrectAnsweredQuestions	(	ilObjTest	$testOBJ,
			$activeId,
			$pass
	)

private

Definition at line 724 of file class.ilTestSequence.php.

        {
                if( $activeId > 0 )
                {
                        $result = $testOBJ->getTestResult($activeId, $pass, TRUE);
                        
                        foreach( $result as $sequence => $question )
                        {
                                if( is_numeric($sequence) )
                                {
                                        if( $question['reached'] == $question['max'] )
                                        {
                                                $this->hideQuestion($question['qid']);
                                        }
                                }
                        }
                        
                        $this->saveToDb();
                }
        }

References $pass, $result, ilObjTest\getTestResult(), hideQuestion(), and saveToDb().

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◆ hideQuestion()

ilTestSequence::hideQuestion ( $question_id )

Definition at line 310 of file class.ilTestSequence.php.

        {
                if (!$this->isHiddenQuestion($question_id))
                {
                        array_push($this->sequencedata["hidden"], intval($question_id));
                }
        }

References isHiddenQuestion().

Referenced by hideCorrectAnsweredQuestions(), and ilLOTestQuestionAdapter\hideQuestions().

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◆ hideSequence()

ilTestSequence::hideSequence ( $sequence )

Definition at line 384 of file class.ilTestSequence.php.

        {
                if (!$this->isHiddenSequence($sequence))
                {
                        if (array_key_exists($sequence, $this->questions))
                        {
                                if (!is_array($this->sequencedata["hidden"])) $this->sequencedata["hidden"] = array();
                                array_push($this->sequencedata["hidden"], intval($this->questions[$sequence]));
                        }
                }
        }

References isHiddenSequence().

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◆ isAnsweringOptionalQuestionsConfirmed()

ilTestSequence::isAnsweringOptionalQuestionsConfirmed ( )

Returns: boolean

Definition at line 823 of file class.ilTestSequence.php.

        {
                return $this->answeringOptionalQuestionsConfirmed;
        }

References $answeringOptionalQuestionsConfirmed.

Referenced by saveQuestionSequence(), and ilTestVirtualSequence\wasAnsweredInThisPass().

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◆ isConsiderHiddenQuestionsEnabled()

ilTestSequence::isConsiderHiddenQuestionsEnabled ( )

Returns: boolean

Definition at line 839 of file class.ilTestSequence.php.

        {
                return $this->considerHiddenQuestionsEnabled;
        }

References $considerHiddenQuestionsEnabled.

Referenced by getCorrectedSequence(), getOrderedSequence(), and getOrderedSequenceQuestions().

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◆ isConsiderOptionalQuestionsEnabled()

ilTestSequence::isConsiderOptionalQuestionsEnabled ( )

Returns: boolean

Definition at line 855 of file class.ilTestSequence.php.

        {
                return $this->considerOptionalQuestionsEnabled;
        }

References $considerOptionalQuestionsEnabled.

Referenced by getCorrectedSequence(), getOrderedSequence(), and getOrderedSequenceQuestions().

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◆ isHiddenQuestion()

ilTestSequence::isHiddenQuestion ( $question_id )

Definition at line 331 of file class.ilTestSequence.php.

        {
                if (!is_array($this->sequencedata["hidden"])) return FALSE;
                if (!in_array($question_id, $this->sequencedata["hidden"]))
                {
                        return FALSE;
                }
                else
                {
                        return TRUE;
                }
        }

Referenced by getOrderedSequenceQuestions(), hideQuestion(), and ilTestVirtualSequence\wasAnsweredInThisPass().

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◆ isHiddenSequence()

ilTestSequence::isHiddenSequence ( $sequence )

Definition at line 358 of file class.ilTestSequence.php.

        {
                if (!array_key_exists($sequence, $this->questions)) return FALSE;
                if (!is_array($this->sequencedata["hidden"])) return FALSE;
                if (!in_array($this->questions[$sequence], $this->sequencedata["hidden"]))
                {
                        return FALSE;
                }
                else
                {
                        return TRUE;
                }
        }

Referenced by getOrderedSequence(), and hideSequence().

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◆ isPostponedQuestion()

ilTestSequence::isPostponedQuestion ( $question_id )

Definition at line 318 of file class.ilTestSequence.php.

        {
                if (!is_array($this->sequencedata["postponed"])) return FALSE;
                if (!in_array($question_id, $this->sequencedata["postponed"]))
                {
                        return FALSE;
                }
                else
                {
                        return TRUE;
                }
        }

Referenced by getSequenceSummary(), and postponeQuestion().

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◆ isPostponedSequence()

ilTestSequence::isPostponedSequence ( $sequence )

Definition at line 344 of file class.ilTestSequence.php.

        {
                if (!array_key_exists($sequence, $this->questions)) return FALSE;
                if (!is_array($this->sequencedata["postponed"])) return FALSE;
                if (!in_array($this->questions[$sequence], $this->sequencedata["postponed"]))
                {
                        return FALSE;
                }
                else
                {
                        return TRUE;
                }
        }

Referenced by postponeSequence().

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◆ isQuestionChecked()

ilTestSequence::isQuestionChecked ( $questionId )

Definition at line 401 of file class.ilTestSequence.php.

        {
                return isset($this->alreadyCheckedQuestions[$questionId]);
        }

◆ isQuestionOptional()

ilTestSequence::isQuestionOptional ( $questionId )

Definition at line 781 of file class.ilTestSequence.php.

        {
                return isset($this->optionalQuestions[$questionId]);
        }

Referenced by getOrderedSequenceQuestions(), reorderOptionalQuestionsToSequenceEnd(), and ilTestVirtualSequence\wasAnsweredInThisPass().

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◆ loadCheckedQuestions()

ilTestSequence::loadCheckedQuestions ( )

private

Definition at line 190 of file class.ilTestSequence.php.

        {
                global $ilDB;
 
                $res = $ilDB->queryF("SELECT question_fi FROM tst_seq_qst_checked WHERE active_fi = %s AND pass = %s",
                        array('integer','integer'), array($this->active_id, $this->pass)
                );
                
                while( $row = $ilDB->fetchAssoc($res) )
                {
                        $this->alreadyCheckedQuestions[ $row['question_fi'] ] = $row['question_fi'];
                }
        }

References $ilDB, $res, and $row.

Referenced by loadFromDb().

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◆ loadFromDb()

ilTestSequence::loadFromDb ( )

Loads the sequence data for a given active id.

Returns: string The filesystem path of the certificate

Definition at line 160 of file class.ilTestSequence.php.

        {
                $this->loadQuestionSequence();
                $this->loadCheckedQuestions();
                $this->loadOptionalQuestions();
        }

References loadCheckedQuestions(), loadOptionalQuestions(), and loadQuestionSequence().

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◆ loadOptionalQuestions()

ilTestSequence::loadOptionalQuestions ( )

private

Definition at line 204 of file class.ilTestSequence.php.

        {
                global $ilDB;
 
                $res = $ilDB->queryF("SELECT question_fi FROM tst_seq_qst_optional WHERE active_fi = %s AND pass = %s",
                        array('integer','integer'), array($this->active_id, $this->pass)
                );
 
                while( $row = $ilDB->fetchAssoc($res) )
                {
                        $this->optionalQuestions[ $row['question_fi'] ] = $row['question_fi'];
                }
        }

References $ilDB, $res, and $row.

Referenced by loadFromDb().

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◆ loadQuestions()

ilTestSequence::loadQuestions	(	ilTestQuestionSetConfig	$testQuestionSetConfig = `null`,
			$taxonomyFilterSelection = `array()`
	)

Loads the question mapping.

Reimplemented in ilTestSequenceRandomQuestionSet.

Definition at line 135 of file class.ilTestSequence.php.

        {
                global $ilDB;
 
                $this->questions = array();
 
                $result = $ilDB->queryF("SELECT tst_test_question.* FROM tst_test_question, qpl_questions, tst_active WHERE tst_active.active_id = %s AND tst_test_question.test_fi = tst_active.test_fi AND qpl_questions.question_id = tst_test_question.question_fi ORDER BY tst_test_question.sequence",
                        array('integer'),
                        array($this->active_id)
                );
 
                $index = 1;
 
                // TODO bheyser: There might be "sequence" gaps which lead to issues with tst_sequence when deleting/adding questions before any participant starts the test
                while ($data = $ilDB->fetchAssoc($result))
                {
                        $this->questions[$index++] = $data["question_fi"];
                }
        }

References $data, $ilDB, and $result.

◆ loadQuestionSequence()

ilTestSequence::loadQuestionSequence ( )

private

Definition at line 167 of file class.ilTestSequence.php.

        {
                global $ilDB;
                $result = $ilDB->queryF("SELECT * FROM tst_sequence WHERE active_fi = %s AND pass = %s",
                        array('integer','integer'),
                        array($this->active_id, $this->pass)
                );
                if ($result->numRows())
                {
                        $row = $ilDB->fetchAssoc($result);
                        $this->sequencedata = array(
                                "sequence" => unserialize($row["sequence"]),
                                "postponed" => unserialize($row["postponed"]),
                                "hidden" => unserialize($row["hidden"])
                        );
                        if (!is_array($this->sequencedata["sequence"])) $this->sequencedata["sequence"] = array();
                        if (!is_array($this->sequencedata["postponed"])) $this->sequencedata["postponed"] = array();
                        if (!is_array($this->sequencedata["hidden"])) $this->sequencedata["hidden"] = array();
                        
                        $this->setAnsweringOptionalQuestionsConfirmed((bool)$row['ans_opt_confirmed']);
                }
        }

References $ilDB, $result, $row, and setAnsweringOptionalQuestionsConfirmed().

Referenced by loadFromDb().

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◆ openQuestionExists()

ilTestSequence::openQuestionExists ( )

Definition at line 761 of file class.ilTestSequence.php.

        {
                return $this->getFirstSequence() !== false;
        }

References getFirstSequence().

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◆ pcArrayShuffle()

ilTestSequence::pcArrayShuffle ( $array )

Shuffles the values of a given array.

Shuffles the values of a given array

Parameters

array $array An array which should be shuffled @access public

Definition at line 614 of file class.ilTestSequence.php.

        {
                $keys = array_keys($array);
                shuffle($keys);
                $result = array();
                foreach ($keys as $key)
                {
                        $result[$key] = $array[$key];
                }
                return $result;
        }

References $result.

Referenced by createNewSequence().

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◆ postponeQuestion()

ilTestSequence::postponeQuestion ( $question_id )

Definition at line 302 of file class.ilTestSequence.php.

        {
                if (!$this->isPostponedQuestion($question_id))
                {
                        array_push($this->sequencedata["postponed"], intval($question_id));
                }
        }

References isPostponedQuestion().

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◆ postponeSequence()

ilTestSequence::postponeSequence ( $sequence )

Definition at line 372 of file class.ilTestSequence.php.

        {
                if (!$this->isPostponedSequence($sequence))
                {
                        if (array_key_exists($sequence, $this->questions))
                        {
                                if (!is_array($this->sequencedata["postponed"])) $this->sequencedata["postponed"] = array();
                                array_push($this->sequencedata["postponed"], intval($this->questions[$sequence]));
                        }
                }
        }

References isPostponedSequence().

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◆ questionExists()

ilTestSequence::questionExists ( $questionId )

Definition at line 771 of file class.ilTestSequence.php.

        {
                return in_array($questionId, $this->questions);
        }

◆ reorderOptionalQuestionsToSequenceEnd()

ilTestSequence::reorderOptionalQuestionsToSequenceEnd ( )

Definition at line 801 of file class.ilTestSequence.php.

        {
                $optionalSequenceKeys = array();
                
                foreach($this->sequencedata['sequence'] as $index => $sequenceKey)
                {
                        if( $this->isQuestionOptional($this->getQuestionForSequence($sequenceKey)) )
                        {
                                $optionalSequenceKeys[$index] = $sequenceKey;
                                unset($this->sequencedata['sequence'][$index]);
                        }
                }
                
                foreach($optionalSequenceKeys as $index => $sequenceKey)
                {
                        $this->sequencedata['sequence'][$index] = $sequenceKey;
                }
        }

References getQuestionForSequence(), and isQuestionOptional().

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◆ saveNewlyCheckedQuestion()

ilTestSequence::saveNewlyCheckedQuestion ( )

private

@global ilDBInterface $ilDB

Definition at line 264 of file class.ilTestSequence.php.

        {
                if( (int)$this->newlyCheckedQuestion )
                {
                        global $ilDB;
                        
                        $ilDB->replace('tst_seq_qst_checked', array(
                                'active_fi' => array('integer', (int)$this->active_id),
                                'pass' => array('integer', (int)$this->pass),
                                'question_fi' => array('integer', (int)$this->newlyCheckedQuestion)
                        ), array());
                }
        }

References $ilDB.

Referenced by saveToDb().

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◆ saveOptionalQuestions()

ilTestSequence::saveOptionalQuestions ( )

private

@global ilDBInterface $ilDB

Definition at line 281 of file class.ilTestSequence.php.

        {
                global $ilDB;
                
                $NOT_IN_questions = $ilDB->in('question_fi', $this->optionalQuestions, true, 'integer');
                
                $ilDB->queryF(
                        "DELETE FROM tst_seq_qst_optional WHERE active_fi = %s AND pass = %s AND $NOT_IN_questions",
                        array('integer', 'integer'), array($this->active_id, $this->pass)
                );
 
                foreach($this->optionalQuestions as $questionId)
                {
                        $ilDB->replace('tst_seq_qst_optional', array(
                                'active_fi' => array('integer', (int)$this->active_id),
                                'pass' => array('integer', (int)$this->pass),
                                'question_fi' => array('integer', (int)$questionId)
                        ), array());
                }
        }

References $ilDB.

Referenced by saveToDb().

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◆ saveQuestionSequence()

ilTestSequence::saveQuestionSequence ( )

private

Definition at line 230 of file class.ilTestSequence.php.

        {
                global $ilDB;
 
                $postponed = NULL;
                if ((is_array($this->sequencedata["postponed"])) && (count($this->sequencedata["postponed"])))
                {
                        $postponed = serialize($this->sequencedata["postponed"]);
                }
                $hidden = NULL;
                if ((is_array($this->sequencedata["hidden"])) && (count($this->sequencedata["hidden"])))
                {
                        $hidden = serialize($this->sequencedata["hidden"]);
                }
 
                $affectedRows = $ilDB->manipulateF("DELETE FROM tst_sequence WHERE active_fi = %s AND pass = %s",
                        array('integer','integer'),
                        array($this->active_id, $this->pass)
                );
 
                $affectedRows = $ilDB->insert("tst_sequence", array(
                        "active_fi" => array("integer", $this->active_id),
                        "pass" => array("integer", $this->pass),
                        "sequence" => array("clob", serialize($this->sequencedata["sequence"])),
                        "postponed" => array("text", $postponed),
                        "hidden" => array("text", $hidden),
                        "tstamp" => array("integer", time()),
                        'ans_opt_confirmed' => array('integer', (int)$this->isAnsweringOptionalQuestionsConfirmed())
                ));
        }

References $ilDB, and isAnsweringOptionalQuestionsConfirmed().

Referenced by saveToDb().

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◆ saveToDb()

ilTestSequence::saveToDb ( )

Saves the sequence data for a given pass to the database.

@access public

Definition at line 223 of file class.ilTestSequence.php.

        {
                $this->saveQuestionSequence();
                $this->saveNewlyCheckedQuestion();
                $this->saveOptionalQuestions();
        }

References saveNewlyCheckedQuestion(), saveOptionalQuestions(), and saveQuestionSequence().

Referenced by hideCorrectAnsweredQuestions(), and ilLOTestQuestionAdapter\prepareTestPass().

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◆ setAnsweringOptionalQuestionsConfirmed()

ilTestSequence::setAnsweringOptionalQuestionsConfirmed ( $answeringOptionalQuestionsConfirmed )

Parameters

boolean $answeringOptionalQuestionsConfirmed

Definition at line 831 of file class.ilTestSequence.php.

        {
                $this->answeringOptionalQuestionsConfirmed = $answeringOptionalQuestionsConfirmed;
        }

References $answeringOptionalQuestionsConfirmed.

Referenced by loadQuestionSequence().

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◆ setConsiderHiddenQuestionsEnabled()

ilTestSequence::setConsiderHiddenQuestionsEnabled ( $considerHiddenQuestionsEnabled )

Parameters

boolean $considerHiddenQuestionsEnabled

Definition at line 847 of file class.ilTestSequence.php.

        {
                $this->considerHiddenQuestionsEnabled = $considerHiddenQuestionsEnabled;
        }

References $considerHiddenQuestionsEnabled.

◆ setConsiderOptionalQuestionsEnabled()

ilTestSequence::setConsiderOptionalQuestionsEnabled ( $considerOptionalQuestionsEnabled )

Parameters

boolean $considerOptionalQuestionsEnabled

Definition at line 863 of file class.ilTestSequence.php.

        {
                $this->considerOptionalQuestionsEnabled = $considerOptionalQuestionsEnabled;
        }

References $considerOptionalQuestionsEnabled.

◆ setPass()

ilTestSequence::setPass ( $pass )

Definition at line 690 of file class.ilTestSequence.php.

        {
                $this->pass = $pass;
        }

References $pass.

◆ setQuestionChecked()

ilTestSequence::setQuestionChecked ( $questionId )

Definition at line 396 of file class.ilTestSequence.php.

        {
                $this->newlyCheckedQuestion = $questionId;
        }

◆ setQuestionOptional()

ilTestSequence::setQuestionOptional ( $questionId )

Definition at line 776 of file class.ilTestSequence.php.

        {
                $this->optionalQuestions[$questionId] = $questionId;
        }

Referenced by ilLOTestQuestionAdapter\setQuestionsOptional().

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Field Documentation

◆ $active_id

ilTestSequence::$active_id

Definition at line 37 of file class.ilTestSequence.php.

Referenced by __construct(), getActiveId(), and ilTestSequenceRandomQuestionSet\hasRandomQuestionsForPass().

◆ $alreadyCheckedQuestions

ilTestSequence::$alreadyCheckedQuestions

private

Definition at line 56 of file class.ilTestSequence.php.

◆ $answeringOptionalQuestionsConfirmed

ilTestSequence::$answeringOptionalQuestionsConfirmed

private

Definition at line 71 of file class.ilTestSequence.php.

Referenced by isAnsweringOptionalQuestionsConfirmed(), and setAnsweringOptionalQuestionsConfirmed().

◆ $considerHiddenQuestionsEnabled

ilTestSequence::$considerHiddenQuestionsEnabled

private

Definition at line 76 of file class.ilTestSequence.php.

Referenced by isConsiderHiddenQuestionsEnabled(), and setConsiderHiddenQuestionsEnabled().

◆ $considerOptionalQuestionsEnabled

ilTestSequence::$considerOptionalQuestionsEnabled

private

Definition at line 81 of file class.ilTestSequence.php.

Referenced by isConsiderOptionalQuestionsEnabled(), and setConsiderOptionalQuestionsEnabled().

◆ $isRandomTest

ilTestSequence::$isRandomTest

Definition at line 51 of file class.ilTestSequence.php.

◆ $newlyCheckedQuestion

ilTestSequence::$newlyCheckedQuestion

private

Definition at line 61 of file class.ilTestSequence.php.

◆ $optionalQuestions

ilTestSequence::$optionalQuestions

private

Definition at line 66 of file class.ilTestSequence.php.

Referenced by getOptionalQuestions().

◆ $pass

ilTestSequence::$pass

Definition at line 44 of file class.ilTestSequence.php.

Referenced by __construct(), getPass(), ilTestSequenceRandomQuestionSet\hasRandomQuestionsForPass(), hideCorrectAnsweredQuestions(), and setPass().

◆ $questions

ilTestSequence::$questions

Definition at line 30 of file class.ilTestSequence.php.

Referenced by getOrderedSequenceQuestions().

◆ $sequencedata

ilTestSequence::$sequencedata

Definition at line 23 of file class.ilTestSequence.php.

The documentation for this class was generated from the following file:

Modules/Test/classes/class.ilTestSequence.php

Public Member Functions

Data Fields

Protected Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ clearHiddenQuestions()

◆ clearOptionalQuestions()

◆ createNewSequence()

◆ ensureQuestionNotInSequence()

◆ getActiveId()

◆ getCorrectedSequence()

◆ getFirstSequence()

◆ getLastSequence()

◆ getNextSequence()

◆ getOptionalQuestions()

◆ getOrderedSequence()

◆ getOrderedSequenceQuestions()

◆ getPass()

◆ getPositionOfSequence()

◆ getPreviousSequence()

◆ getQuestionForSequence()

◆ getQuestionIds()

◆ getSequenceForQuestion()

◆ getSequenceSummary()

◆ getUserQuestionCount()

◆ getUserSequence()

◆ getUserSequenceQuestions()

◆ hasHiddenQuestions()

◆ hasOptionalQuestions()

◆ hasSequence()

◆ hasStarted()

◆ hideCorrectAnsweredQuestions()

◆ hideQuestion()

◆ hideSequence()

◆ isAnsweringOptionalQuestionsConfirmed()

◆ isConsiderHiddenQuestionsEnabled()

◆ isConsiderOptionalQuestionsEnabled()

◆ isHiddenQuestion()

◆ isHiddenSequence()

◆ isPostponedQuestion()

◆ isPostponedSequence()

◆ isQuestionChecked()

◆ isQuestionOptional()

◆ loadCheckedQuestions()

◆ loadFromDb()

◆ loadOptionalQuestions()

◆ loadQuestions()

◆ loadQuestionSequence()

◆ openQuestionExists()

◆ pcArrayShuffle()

◆ postponeQuestion()

◆ postponeSequence()

◆ questionExists()

◆ reorderOptionalQuestionsToSequenceEnd()

◆ saveNewlyCheckedQuestion()

◆ saveOptionalQuestions()

◆ saveQuestionSequence()

◆ saveToDb()

◆ setAnsweringOptionalQuestionsConfirmed()

◆ setConsiderHiddenQuestionsEnabled()

◆ setConsiderOptionalQuestionsEnabled()

◆ setPass()

◆ setQuestionChecked()

◆ setQuestionOptional()

Field Documentation

◆ $active_id

◆ $alreadyCheckedQuestions

◆ $answeringOptionalQuestionsConfirmed

◆ $considerHiddenQuestionsEnabled

◆ $considerOptionalQuestionsEnabled

◆ $isRandomTest

◆ $newlyCheckedQuestion

◆ $optionalQuestions

◆ $pass

◆ $questions

◆ $sequencedata