Test sequence handler. More...

Inheritance diagram for ilTestSequence:

Collaboration diagram for ilTestSequence:

Public Member Functions
	ilTestSequence ($active_id, $pass, $randomtest)
	ilTestSequence constructor
	getActiveId ()
	createNewSequence ($max, $shuffle)
	loadQuestions (ilTestQuestionSetConfig $testQuestionSetConfig=null, $taxonomyFilterSelection=array())
	Loads the question mapping.
	loadFromDb ()
	Loads the sequence data for a given active id.
	saveToDb ()
	Saves the sequence data for a given pass to the database.
	postponeQuestion ($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.
	getQuestionForSequence ($sequence)
&	getSequenceSummary ($obligationsFilter=false)
	getPass ()
	setPass ($pass)
	hasSequence ()
	hasHiddenQuestions ()
	clearHiddenQuestions ()
	hasStarted (ilTestSession $testSession)
	openQuestionExists ()
	getQuestionIds ()
	questionExists ($questionId)

Data Fields
	$sequencedata
	$questions
	$active_id
	$pass
	$isRandomTest

Protected Member Functions
	getCorrectedSequence ($with_hidden_questions=FALSE)

Private Member Functions
	loadQuestionSequence ()
	loadCheckedQuestions ()
	saveQuestionSequence ()
	saveNewlyCheckedQuestion ()
	ilDB $ilDB
	hideCorrectAnsweredQuestions (ilObjTest $testOBJ, $activeId, $pass)

Private Attributes
	$alreadyCheckedQuestions
	$newlyCheckedQuestion

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:: class.ilTestSequence.php 58242 2015-02-27 15:21:19Z gitmgr

Definition at line 13 of file class.ilTestSequence.php.

Member Function Documentation

ilTestSequence::clearHiddenQuestions ( )

Definition at line 592 of file class.ilTestSequence.php.

Referenced by ilLOTestQuestionAdapter\hideQuestions().

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

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ilTestSequence::createNewSequence	(	$max,
		$shuffle
	)

Definition at line 89 of file class.ilTestSequence.php.

References pcArrayShuffle().

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

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ilTestSequence::getActiveId ( )

Definition at line 84 of file class.ilTestSequence.php.

References $active_id.

        {
                return $this->active_id;
        }

ilTestSequence::getCorrectedSequence ( $with_hidden_questions = FALSE )

protected

Definition at line 378 of file class.ilTestSequence.php.

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

        {
                $correctedsequence = $this->sequencedata["sequence"];
                if (!$with_hidden_questions)
                {
                        if (is_array($this->sequencedata["hidden"]))
                        {
                                foreach ($this->sequencedata["hidden"] as $question_id)
                                {
                                        $foundsequence = array_search($question_id, $this->questions);
                                        if ($foundsequence !== FALSE)
                                        {
                                                $sequencekey = array_search($foundsequence, $correctedsequence);
                                                if ($sequencekey !== FALSE)
                                                {
                                                        unset($correctedsequence[$sequencekey]);
                                                }
                                        }
                                }
                        }
                }
                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);
        }

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ilTestSequence::getFirstSequence ( )

Definition at line 423 of file class.ilTestSequence.php.

References getCorrectedSequence().

Referenced by hasStarted(), and openQuestionExists().

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

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ilTestSequence::getLastSequence ( )

Definition at line 436 of file class.ilTestSequence.php.

References getCorrectedSequence().

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

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ilTestSequence::getNextSequence ( $sequence )

Definition at line 449 of file class.ilTestSequence.php.

References getCorrectedSequence().

        {
                $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;
        }

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ilTestSequence::getOrderedSequence ( )

Definition at line 352 of file class.ilTestSequence.php.

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

ilTestSequence::getOrderedSequenceQuestions ( )

Definition at line 357 of file class.ilTestSequence.php.

References $questions.

        {
                return $this->questions;
        }

ilTestSequence::getPass ( )

Definition at line 558 of file class.ilTestSequence.php.

References $pass.

        {
                return $this->pass;
        }

ilTestSequence::getPositionOfSequence ( $sequence )

Definition at line 333 of file class.ilTestSequence.php.

References getCorrectedSequence().

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

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ilTestSequence::getPreviousSequence ( $sequence )

Definition at line 464 of file class.ilTestSequence.php.

References getCorrectedSequence().

        {
                $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;
        }

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ilTestSequence::getQuestionForSequence ( $sequence )

Definition at line 499 of file class.ilTestSequence.php.

Referenced by getSequenceSummary(), and getUserSequenceQuestions().

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

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ilTestSequence::getQuestionIds ( )

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

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

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

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ilTestSequence::getSequenceForQuestion ( $question_id )

Definition at line 418 of file class.ilTestSequence.php.

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

& ilTestSequence::getSequenceSummary ( $obligationsFilter = false )

Definition at line 512 of file class.ilTestSequence.php.

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

        {
                $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( !$obligationsFilter || $row['obligatory'] )
                                {
                                        array_push($result_array, $row);
                                }
                                
                                $key++;
                        }
                }
                return $result_array;
        }

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ilTestSequence::getUserQuestionCount ( )

Definition at line 347 of file class.ilTestSequence.php.

References getCorrectedSequence().

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

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ilTestSequence::getUserSequence ( )

Definition at line 362 of file class.ilTestSequence.php.

References getCorrectedSequence().

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

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ilTestSequence::getUserSequenceQuestions ( )

Definition at line 367 of file class.ilTestSequence.php.

References getCorrectedSequence(), and getQuestionForSequence().

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

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ilTestSequence::hasHiddenQuestions ( )

Definition at line 580 of file class.ilTestSequence.php.

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

ilTestSequence::hasSequence ( )

Definition at line 568 of file class.ilTestSequence.php.

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

ilTestSequence::hasStarted ( ilTestSession $testSession )

Definition at line 618 of file class.ilTestSequence.php.

References getFirstSequence(), and ilTestSession\getLastSequence().

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

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

private

Definition at line 597 of file class.ilTestSequence.php.

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

        {
                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();
                }
        }

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ilTestSequence::hideQuestion ( $question_id )

Definition at line 237 of file class.ilTestSequence.php.

References isHiddenQuestion().

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

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

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ilTestSequence::hideSequence ( $sequence )

Definition at line 311 of file class.ilTestSequence.php.

References isHiddenSequence().

        {
                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]));
                        }
                }
        }

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ilTestSequence::ilTestSequence	(	$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 public

Definition at line 69 of file class.ilTestSequence.php.

References $active_id, and $pass.

        {
                $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;
        }

ilTestSequence::isHiddenQuestion ( $question_id )

Definition at line 258 of file class.ilTestSequence.php.

Referenced by hideQuestion().

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

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ilTestSequence::isHiddenSequence ( $sequence )

Definition at line 285 of file class.ilTestSequence.php.

Referenced by hideSequence().

        {
                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;
                }
        }

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ilTestSequence::isPostponedQuestion ( $question_id )

Definition at line 245 of file class.ilTestSequence.php.

Referenced by getSequenceSummary(), and postponeQuestion().

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

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ilTestSequence::isPostponedSequence ( $sequence )

Definition at line 271 of file class.ilTestSequence.php.

Referenced by postponeSequence().

        {
                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;
                }
        }

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ilTestSequence::isQuestionChecked ( $questionId )

Definition at line 328 of file class.ilTestSequence.php.

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

ilTestSequence::loadCheckedQuestions ( )

private

Definition at line 157 of file class.ilTestSequence.php.

References $ilDB, $res, and $row.

Referenced by loadFromDb().

        {
                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'];
                }
        }

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ilTestSequence::loadFromDb ( )

Loads the sequence data for a given active id.

Returns: string The filesystem path of the certificate

Definition at line 130 of file class.ilTestSequence.php.

References loadCheckedQuestions(), and loadQuestionSequence().

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

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

Loads the question mapping.

Definition at line 106 of file class.ilTestSequence.php.

References $ilDB, and $result.

        {
                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)
                );
                $index = 1;
                while ($data = $ilDB->fetchAssoc($result))
                {
                        $this->questions[$index++] = $data["question_fi"];
                }
        }

ilTestSequence::loadQuestionSequence ( )

private

Definition at line 136 of file class.ilTestSequence.php.

References $ilDB, $result, and $row.

Referenced by loadFromDb().

        {
                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();
                }
        }

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ilTestSequence::openQuestionExists ( )

Definition at line 634 of file class.ilTestSequence.php.

References getFirstSequence().

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

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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 public

Definition at line 487 of file class.ilTestSequence.php.

References $result.

Referenced by createNewSequence().

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

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ilTestSequence::postponeQuestion ( $question_id )

Definition at line 229 of file class.ilTestSequence.php.

References isPostponedQuestion().

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

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ilTestSequence::postponeSequence ( $sequence )

Definition at line 299 of file class.ilTestSequence.php.

References isPostponedSequence().

        {
                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]));
                        }
                }
        }

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ilTestSequence::questionExists ( $questionId )

Definition at line 644 of file class.ilTestSequence.php.

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

ilTestSequence::saveNewlyCheckedQuestion ( )

private

ilDB $ilDB

Definition at line 215 of file class.ilTestSequence.php.

References $ilDB.

Referenced by saveToDb().

        {
                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());
                }
        }

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ilTestSequence::saveQuestionSequence ( )

private

Definition at line 182 of file class.ilTestSequence.php.

References $ilDB.

Referenced by saveToDb().

        {
                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())
                ));
        }

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ilTestSequence::saveToDb ( )

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

public

Definition at line 176 of file class.ilTestSequence.php.

References saveNewlyCheckedQuestion(), and saveQuestionSequence().

Referenced by ilLOTestQuestionAdapter\filterQuestions(), hideCorrectAnsweredQuestions(), and ilTestOutputGUI\updateContainerObjectivesWithAnsweredQuestion().

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

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ilTestSequence::setPass ( $pass )

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

References $pass.

        {
                $this->pass = $pass;
        }

ilTestSequence::setQuestionChecked ( $questionId )

Definition at line 323 of file class.ilTestSequence.php.

        {
                $this->newlyCheckedQuestion = $questionId;
        }

Field Documentation

ilTestSequence::$active_id

Definition at line 34 of file class.ilTestSequence.php.

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

ilTestSequence::$alreadyCheckedQuestions

private

Definition at line 53 of file class.ilTestSequence.php.

ilTestSequence::$isRandomTest

Definition at line 48 of file class.ilTestSequence.php.

ilTestSequence::$newlyCheckedQuestion

private

Definition at line 58 of file class.ilTestSequence.php.

ilTestSequence::$pass

Definition at line 41 of file class.ilTestSequence.php.

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

ilTestSequence::$questions

Definition at line 27 of file class.ilTestSequence.php.

Referenced by getOrderedSequenceQuestions().

ilTestSequence::$sequencedata

Definition at line 20 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

Member Function Documentation

Field Documentation