Class for single choice questions. More...

Inheritance diagram for assSingleChoice:

Collaboration diagram for assSingleChoice:

Public Member Functions
	__construct (string $title="", string $comment="", string $author="", int $owner=-1, string $question="", int $output_type=self::OUTPUT_ORDER)

	isComplete ()

	saveToDb (?int $original_id=null)

	loadFromDb (int $question_id)

	addAnswer (string $answertext='', float $points=0.0, int $order=0, ?string $answerimage=null, int $answer_id=-1)

	getAnswerCount ()
	Returns the number of answers. More...

	getAnswer (int $index=0)
	Returns an answer with a given index. More...

	deleteAnswer (int $index=0)
	Deletes an answer with a given index. More...

	flushAnswers ()
	Deletes all answers. More...

	getMaximumPoints ()
	Returns the maximum points, a learner can reach answering the question. More...

	calculateReachedPoints (int $active_id, ?int $pass=null, bool $authorized_solution=true)

	calculateReachedPointsFromPreviewSession (ilAssQuestionPreviewSession $preview_session)

	saveWorkingData (int $active_id, ?int $pass=null, bool $authorized=true)

	saveAdditionalQuestionDataToDb ()
	Saves a record to the question types additional data table. More...

	getQuestionType ()
	Returns the question type of the question. More...

	getAdditionalTableName ()
	Returns the name of the additional question data table in the database. More...

	getAnswerTableName ()
	Returns the name of the answer table in the database. More...

	setImageFile (string $image_filename, string $image_tempfilename='')
	Sets the image file and uploads the image to the object's image directory. More...

	getRTETextWithMediaObjects ()

	getAnswers ()
	Returns a reference to the answers array. More...

	setAnswers (array $answers)

	toJSON ()
	Returns a JSON representation of the question. More...

	removeAnswerImage (int $index)

	getMultilineAnswerSetting ()

	setMultilineAnswerSetting ($setting='0')

	setSpecificFeedbackSetting (int $feedback_setting)
	Sets the feedback settings in effect for the question. More...

	getSpecificFeedbackSetting ()

	getSpecificFeedbackAllCorrectOptionLabel ()

	getOperators (string $expression)
	Get all available operations for a specific question. More...

	getExpressionTypes ()
	Get all available expression types for a specific question. More...

	getUserQuestionResult (int $active_id, int $pass)
	Get the user solution for a question by active_id and the test pass. More...

	getAvailableAnswerOptions ($index=null)
	If index is null, the function returns an array with all anwser options Else it returns the specific answer option. More...

	isSingleline ()

	setIsSingleline (bool $is_singleline)

	getFeedbackSetting ()

	setFeedbackSetting (int $feedback_setting)

	toLog (AdditionalInformationGenerator $additional_info)

	solutionValuesToText (array $solution_values)

	getCorrectSolutionForTextOutput (int $active_id, int $pass)

Public Member Functions inherited from assQuestion
	getQuestionType ()

	isComplete ()

	saveWorkingData (int $active_id, ?int $pass=null, bool $authorized=true)

	calculateReachedPoints (int $active_id, ?int $pass=null, bool $authorized_solution=true)

	getAdditionalTableName ()

	getAnswerTableName ()

	toLog (AdditionalInformationGenerator $additional_info)
	MUST return an array of the question settings that can be stored in the log. More...

	getCurrentUser ()

	getShuffler ()

	setShuffler (Transformation $shuffler)

	setProcessLocker (ilAssQuestionProcessLocker $processLocker)

	getProcessLocker ()

	fromXML (string $importdirectory, int $user_id, ilQTIItem $item, int $questionpool_id, ?int $tst_id, ?ilObject &$tst_object, int &$question_counter, array $import_mapping, array $solutionhints=[])

	toXML (bool $a_include_header=true, bool $a_include_binary=true, bool $a_shuffle=false, bool $test_output=false, bool $force_image_references=false)
	Returns a QTI xml representation of the question. More...

	setTitle (string $title="")

	setId (int $id=-1)

	setTestId (int $id=-1)

	setComment (string $comment="")

	setShuffle (?bool $shuffle=true)

	setAuthor (string $author="")

	setOwner (int $owner=-1)

	getTitle ()

	getTitleForHTMLOutput ()

	getTitleFilenameCompliant ()

	getId ()

	getShuffle ()

	getTestId ()

	getComment ()

	getDescriptionForHTMLOutput ()

	getThumbSize ()

	setThumbSize (int $a_size)

	getMinimumThumbSize ()

	getMaximumThumbSize ()

	getAuthor ()

	getAuthorForHTMLOutput ()

	getOwner ()

	getObjId ()

	setObjId (int $obj_id=0)

	getLifecycle ()

	setLifecycle (ilAssQuestionLifecycle $lifecycle)

	setExternalId (?string $external_id)

	getExternalId ()

	getSuggestedSolutionOutput ()

	getSuggestedSolutions ()

	getReachedPoints (int $active_id, int $pass)

	getMaximumPoints ()

	getAdjustedReachedPoints (int $active_id, int $pass, bool $authorized_solution=true)

	calculateResultsFromSolution (int $active_id, int $pass)
	Calculates the question results from a previously saved question solution. More...

	persistWorkingState (int $active_id, $pass, bool $authorized=true)
	persists the working state for current testactive and testpass More...

	persistPreviewState (ilAssQuestionPreviewSession $preview_session)
	persists the preview state for current user and question More...

	validateSolutionSubmit ()

	getSuggestedSolutionPath ()

	getImagePath ($question_id=null, $object_id=null)
	Returns the image path for web accessable images of a question. More...

	getSuggestedSolutionPathWeb ()

	getImagePathWeb ()
	Returns the web image path for web accessable images of a question. More...

	getTestOutputSolutions (int $activeId, int $pass)

	getUserSolutionPreferingIntermediate (int $active_id, ?int $pass=null)

	getSolutionValues (int $active_id, ?int $pass=null, bool $authorized=true)
	Loads solutions of a given user from the database an returns it. More...

	deleteAnswers (int $question_id)

	deleteAdditionalTableData (int $question_id)

	delete (int $question_id)

	getTotalAnswers ()

	cloneXHTMLMediaObjectsOfQuestion (int $source_question_id)

	createPageObject ()

	clonePageOfQuestion (int $a_q_id)

	getPageOfQuestion ()

	setOriginalId (?int $original_id)

	getOriginalId ()

static	fixSvgToPng (string $imageFilenameContainingString)

	fixUnavailableSkinImageSources (string $html)

	loadFromDb (int $question_id)

	createNewQuestion (bool $a_create_page=true)
	Creates a new question without an owner when a new question is created This assures that an ID is given to the question if a file upload or something else occurs. More...

	saveQuestionDataToDb (?int $original_id=null)

	duplicate (bool $for_test=true, string $title='', string $author='', int $owner=-1, $test_obj_id=null)

	copyObject (int $target_parent_id, string $title='')

	createNewOriginalFromThisDuplicate (int $target_parent_id, string $target_question_title='')

	saveToDb (?int $original_id=null)

	deleteSuggestedSolutions ()

	getSuggestedSolution (int $subquestion_index=0)

	resolveInternalLink (string $internal_link)

	resolveSuggestedSolutionLinks ()

	getInternalLinkHref (string $target)

	syncWithOriginal ()

	getPoints ()

	setPoints (float $points)

	getSolutionMaxPass (int $active_id)

	isWriteable ()

	deductHintPointsFromReachedPoints (ilAssQuestionPreviewSession $preview_session, $reached_points)

	calculateReachedPointsFromPreviewSession (ilAssQuestionPreviewSession $preview_session)

	isPreviewSolutionCorrect (ilAssQuestionPreviewSession $preview_session)

	adjustReachedPointsByScoringOptions (float $points, int $active_id)
	Adjust the given reached points by checks for all special scoring options in the test container. More...

	buildHashedImageFilename (string $plain_image_filename, bool $unique=false)

	getQuestion ()

	getQuestionForHTMLOutput ()

	setQuestion (string $question="")

	getQuestionTypeID ()

	cloneHints (int $source_question_id, int $target_question_id)

	cleanupMediaObjectUsage ()

	getInstances ()

	getActiveUserData (int $active_id)
	Returns the user id and the test id for a given active id. More...

	hasSpecificFeedback ()

	getNrOfTries ()

	setNrOfTries (int $a_nr_of_tries)

	setExportImagePath (string $path)

	formatSAQuestion ($a_q)

	setPreventRteUsage (bool $prevent_rte_usage)

	getPreventRteUsage ()

	migrateContentForLearningModule (ilAssSelfAssessmentMigrator $migrator)

	setSelfAssessmentEditingMode (bool $selfassessmenteditingmode)

	getSelfAssessmentEditingMode ()

	setDefaultNrOfTries (int $defaultnroftries)

	getDefaultNrOfTries ()

	syncSkillAssignments (int $srcParentId, int $srcQuestionId, int $trgParentId, int $trgQuestionId)

	ensureHintPageObjectExists ($pageObjectId)

	isAnswered (int $active_id, int $pass)

	getAdditionalContentEditingMode ()

	setAdditionalContentEditingMode (?string $additionalContentEditingMode)

	isAdditionalContentEditingModePageObject ()

	isValidAdditionalContentEditingMode (string $additionalContentEditingMode)

	getValidAdditionalContentEditingModes ()

	getHtmlUserSolutionPurifier ()

	getHtmlQuestionContentPurifier ()

	setLastChange (int $lastChange)

	getLastChange ()

	removeIntermediateSolution (int $active_id, int $pass)

	removeCurrentSolution (int $active_id, int $pass, bool $authorized=true)

	saveCurrentSolution (int $active_id, int $pass, $value1, $value2, bool $authorized=true, $tstamp=0)

	updateCurrentSolution (int $solutionId, $value1, $value2, bool $authorized=true)

	updateCurrentSolutionsAuthorization (int $activeId, int $pass, bool $authorized, bool $keepTime=false)

	setStep ($step)

	getStep ()

	toJSON ()

	intermediateSolutionExists (int $active_id, int $pass)

	authorizedSolutionExists (int $active_id, ?int $pass)

	authorizedOrIntermediateSolutionExists (int $active_id, int $pass)

	lookupForExistingSolutions (int $activeId, int $pass)
	Lookup if an authorized or intermediate solution exists. More...

	isAddableAnswerOptionValue (int $qIndex, string $answerOptionValue)

	addAnswerOptionValue (int $qIndex, string $answerOptionValue, float $points)

	removeAllExistingSolutions ()

	removeExistingSolutions (int $activeId, int $pass)

	resetUsersAnswer (int $activeId, int $pass)

	removeResultRecord (int $activeId, int $pass)

	fetchValuePairsFromIndexedValues (array $indexedValues)

	fetchIndexedValuesFromValuePairs (array $value_pairs)

	updateTimestamp ()

	getTestPresentationConfig ()

	hasWritableOriginalInQuestionPool ()

	answerToParticipantInteraction (AdditionalInformationGenerator $additional_info, int $test_ref_id, int $active_id, int $pass, string $source_ip, TestParticipantInteractionTypes $interaction_type)

	toQuestionAdministrationInteraction (AdditionalInformationGenerator $additional_info, int $test_ref_id, TestQuestionAdministrationInteractionTypes $interaction_type)

	getSolutionForTextOutput (int $active_id, int $pass)

	getCorrectSolutionForTextOutput (int $active_id, int $pass)

	getVariablesAsTextArray (int $active_id, int $pass)

Public Member Functions inherited from ilObjAnswerScoringAdjustable
	saveAnswerSpecificDataToDb ()
	Saves the answer specific records into a question types answer table. More...

Public Member Functions inherited from iQuestionCondition
	getAvailableAnswerOptions (?int $index=null)
	If index is null, the function returns an array with all anwser options else it returns the specific answer option. More...

Data Fields
array	$answers = []

int	$output_type

Data Fields inherited from assQuestion
const	ADDITIONAL_CONTENT_EDITING_MODE_RTE = 'default'

const	ADDITIONAL_CONTENT_EDITING_MODE_IPE = 'pageobject'

const	TRIM_PATTERN = '/^[\p{C}\p{Z}]+\|[\p{C}\p{Z}]+$/u'

ilAssQuestionFeedback	$feedbackOBJ

bool	$prevent_rte_usage = false

bool	$selfassessmenteditingmode = false

int	$defaultnroftries = 0

string	$questionActionCmd = 'handleQuestionAction'

const	KEY_VALUES_IMPLOSION_SEPARATOR = ':'

Data Fields inherited from iQuestionCondition
const	StringResultExpression = '~TEXT~'

const	PercentageResultExpression = '%n%'

const	NumericResultExpression = '#n#'

const	MatchingResultExpression = ';n:m;'

const	OrderingResultExpression = '$n,m,o,p$'

const	NumberOfResultExpression = '+n+'

const	ExclusiveResultExpression = 'n,m,o,p'

const	EmptyAnswerExpression = "?"

Protected Member Functions
	cloneQuestionTypeSpecificProperties (\assQuestion $target)

	savePreviewData (ilAssQuestionPreviewSession $previewSession)

	lmMigrateQuestionTypeSpecificContent (ilAssSelfAssessmentMigrator $migrator)

	afterSyncWithOriginal (int $original_question_id, int $clone_question_id, int $original_parent_id, int $clone_parent_id)
	{} More...

	solutionValuesToLog (AdditionalInformationGenerator $additional_info, array $solution_values)

Protected Member Functions inherited from assQuestion
	solutionValuesToLog (AdditionalInformationGenerator $additional_info, array $solution_values)
	MUST convert the given solution values into an array or a string that can be stored in the log. More...

	solutionValuesToText (array $solution_values)
	MUST convert the given solution values into text. More...

	getQuestionAction ()

	isNonEmptyItemListPostSubmission (string $post_submission_field_name)

	savePreviewData (ilAssQuestionPreviewSession $preview_session)

	deletePageOfQuestion (int $question_id)

	cloneQuestionTypeSpecificProperties (self $target)

	removeAllImageFiles (string $image_target_path)

	onDuplicate (int $original_parent_id, int $original_question_id, int $duplicate_parent_id, int $duplicate_question_id)

	afterSyncWithOriginal (int $original_question_id, int $clone_question_id, int $original_parent_id, int $clone_parent_id)

	onCopy (int $sourceParentId, int $sourceQuestionId, int $targetParentId, int $targetQuestionId)

	duplicateComments (int $parent_source_id, int $source_id, int $parent_target_id, int $target_id)

	deleteComments ()

	getNotesManager ()

	getNotesDataService ()

	getNotesRepo ()

	cloneSuggestedSolutions (int $source_question_id, int $target_question_id)

	duplicateSuggestedSolutionFiles (int $parent_id, int $question_id)
	Duplicates the files of a suggested solution if the question is duplicated. More...

	cloneSuggestedSolutionFiles (int $source_question_id, int $target_question_id)

	copySuggestedSolutions (int $target_question_id)

	ensureNonNegativePoints (float $points)

	purifyAndPrepareTextAreaOutput (string $content)

	getRTETextWithMediaObjects ()

	getSelfAssessmentFormatter ()

	lmMigrateQuestionTypeGenericContent (ilAssSelfAssessmentMigrator $migrator)

	lmMigrateQuestionTypeSpecificContent (ilAssSelfAssessmentMigrator $migrator)

	duplicateQuestionHints (int $original_question_id, int $duplicate_question_id)

	duplicateSkillAssignments (int $srcParentId, int $srcQuestionId, int $trgParentId, int $trgQuestionId)

	buildQuestionDataQuery ()

	getCurrentSolutionResultSet (int $active_id, int $pass, bool $authorized=true)

	removeSolutionRecordById (int $solutionId)

	getSolutionRecordById (int $solutionId)

	deleteDummySolutionRecord (int $activeId, int $passIndex)

	isDummySolutionRecord (array $solutionRecord)

	deleteSolutionRecordByValues (int $activeId, int $passIndex, bool $authorized, array $matchValues)

	duplicateIntermediateSolutionAuthorized (int $activeId, int $passIndex)

	forceExistingIntermediateSolution (int $activeId, int $passIndex, bool $considerDummyRecordCreation)

	lookupMaxStep (int $active_id, int $pass)

	buildTestPresentationConfig ()

	getSuggestedSolutionsRepo ()

	loadSuggestedSolutions ()

	answerToLog (AdditionalInformationGenerator $additional_info, int $active_id, int $pass)

Protected Attributes
const	OUTPUT_ORDER = 0

const	OUTPUT_RANDOM = 1

const	FEEDBACK_MODE_ALL_ANSWERS = 1

const	FEEDBACK_MODE_SELECTED_ANSWERS = 2

const	FEEDBACK_MODE_CORRECT_ANSWERS = 3

int	$feedback_setting = self::FEEDBACK_MODE_SELECTED_ANSWERS

Protected Attributes inherited from assQuestion
const	HAS_SPECIFIC_FEEDBACK = true

GeneralQuestionPropertiesRepository	$questionrepository

RequestDataCollector	$questionpool_request

QuestionFiles	$question_files

ilAssQuestionProcessLocker	$processLocker

ilTestQuestionConfig	$testQuestionConfig

SuggestedSolutionsDatabaseRepository	$suggestedsolution_repo

ILIAS	$ilias

ilGlobalPageTemplate	$tpl

ilLanguage	$lng

ilDBInterface	$db

ilObjUser	$current_user

SkillUsageService	$skillUsageService

HTTPServices	$http

Refinery	$refinery

Transformation	$shuffler

LoggingServices	$log

Container	$dic

ilAssQuestionLifecycle	$lifecycle

ilAssQuestionPage	$page

int	$id

string	$title

string	$comment

int	$owner

string	$author

int	$thumb_size

string	$question

float	$points = 0.0

bool	$shuffle = true

int	$test_id

int	$obj_id = 0

int	$original_id = null

int	$lastChange = null

string	$external_id = null

int	$step = null

array	$suggested_solutions

Private Attributes
bool	$is_singleline = true

Additional Inherited Members
Static Public Member Functions inherited from assQuestion
static	setForcePassResultUpdateEnabled (bool $force_pass_results_update_enabled)

static	isForcePassResultUpdateEnabled ()

static	_getSuggestedSolutionOutput (int $question_id)

static	_getReachedPoints (int $active_id, int $question_id, int $pass)

static	isFileAvailable (string $file)

static	saveOriginalId (int $questionId, int $originalId)

static	resetOriginalId (int $questionId)

static	instantiateQuestion (int $question_id)

static	_getSolutionMaxPass (int $question_id, int $active_id)
	Returns the maximum pass a users question solution. More...

static	getFeedbackClassNameByQuestionType (string $questionType)

static	_questionExistsInTest (int $question_id, int $test_id)

static	lookupParentObjId (int $question_id)

static	implodeKeyValues (array $keyValues)

static	explodeKeyValues (string $keyValues)

static	convertISO8601FormatH_i_s_ExtendedToSeconds (string $time)

static	extendedTrim (string $value)
	Trim non-printable characters from the beginning and end of a string. More...

Static Protected Member Functions inherited from assQuestion
static	getNumExistingSolutionRecords (int $activeId, int $pass, int $questionId)

Static Protected Attributes inherited from assQuestion
static	$force_pass_results_update_enabled = false

static	$imageSourceFixReplaceMap

Detailed Description

Class for single choice questions.

assSingleChoice is a class for single choice questions.

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; Björn Heyser bheys.nosp@m.er@d.nosp@m.ataba.nosp@m.y.de; Maximilian Becker mbeck.nosp@m.er@d.nosp@m.ataba.nosp@m.y.de

Version: $Id$

Definition at line 39 of file class.assSingleChoice.php.

Constructor & Destructor Documentation

◆ __construct()

assSingleChoice::__construct	(	string	$title = `""`,
		string	$comment = `""`,
		string	$author = `""`,
		int	$owner = `-1`,
		string	$question = `""`,
		int	$output_type = `self::OUTPUT_ORDER`
	)

Definition at line 59 of file class.assSingleChoice.php.

References assQuestion\$author, assQuestion\$comment, $output_type, assQuestion\$owner, assQuestion\$question, assQuestion\$title, and ILIAS\GlobalScreen\Provider\__construct().

       {
         parent::__construct($title, $comment, $author, $owner, $question);
         $this->output_type = $output_type;
     }

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Member Function Documentation

◆ addAnswer()

assSingleChoice::addAnswer	(	string	$answertext = `''`,
		float	$points = `0.0`,
		int	$order = `0`,
		?string	$answerimage = `null`,
		int	$answer_id = `-1`
	)

Definition at line 180 of file class.assSingleChoice.php.

References assQuestion\$points, and assQuestion\getHtmlQuestionContentPurifier().

      : void {
         if (array_key_exists($order, $this->answers)) {
             // insert answer
             $answer = new ASS_AnswerBinaryStateImage(
                 $this->getHtmlQuestionContentPurifier()->purify($answertext),
                 $points,
                 $order,
                 true,
                 $answerimage,
                 $answer_id
             );
             $newchoices = [];
             for ($i = 0; $i < $order; $i++) {
                 $newchoices[] = $this->answers[$i];
             }
             $newchoices[] = $answer;
             for ($i = $order, $iMax = count($this->answers); $i < $iMax; $i++) {
                 $changed = $this->answers[$i];
                 $changed->setOrder($i + 1);
                 $newchoices[] = $changed;
             }
             $this->answers = $newchoices;
             return;
         }
 
         $answer = new ASS_AnswerBinaryStateImage(
             $this->getHtmlQuestionContentPurifier()->purify($answertext),
             $points,
             count($this->answers),
             true,
             $answerimage,
             $answer_id
         );
         $this->answers[] = $answer;
     }

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◆ afterSyncWithOriginal()

assSingleChoice::afterSyncWithOriginal	(	int	$original_question_id,
		int	$clone_question_id,
		int	$original_parent_id,
		int	$clone_parent_id
	)

protected

{}

Definition at line 842 of file class.assSingleChoice.php.

References ilFileUtils\delDir(), ilFileUtils\makeDirParents(), and ilFileUtils\rCopy().

      : void {
         parent::afterSyncWithOriginal($original_question_id, $clone_question_id, $original_parent_id, $clone_parent_id);
 
         $original_image_path = $this->question_files->buildImagePath($original_question_id, $original_parent_id);
         $clone_image_path = $this->question_files->buildImagePath($clone_question_id, $clone_parent_id);
 
         ilFileUtils::delDir($original_image_path);
         if (is_dir($clone_image_path)) {
             ilFileUtils::makeDirParents($original_image_path);
             ilFileUtils::rCopy($clone_image_path, $original_image_path);
         }
     }

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◆ calculateReachedPoints()

assSingleChoice::calculateReachedPoints	(	int	$active_id,
		?int	$pass = `null`,
		bool	$authorized_solution = `true`
	)

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

References $data, assQuestion\$points, assQuestion\getCurrentSolutionResultSet(), and assQuestion\getSolutionMaxPass().

Referenced by getUserQuestionResult().

      : float {
         $found_values = [];
         if (is_null($pass)) {
             $pass = $this->getSolutionMaxPass($active_id);
         }
         $result = $this->getCurrentSolutionResultSet($active_id, $pass, $authorized_solution);
         while ($data = $this->db->fetchAssoc($result)) {
             if ($data['value1'] !== '') {
                 array_push($found_values, $data['value1']);
             }
         }
         $points = 0.0;
         foreach ($this->answers as $key => $answer) {
             if ($found_values !== []
                 && in_array($key, $found_values)) {
                 $points += $answer->getPoints();
             }
         }
 
         return $points;
     }

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◆ calculateReachedPointsFromPreviewSession()

assSingleChoice::calculateReachedPointsFromPreviewSession ( ilAssQuestionPreviewSession $preview_session )

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

References assQuestion\$points, assQuestion\deductHintPointsFromReachedPoints(), assQuestion\ensureNonNegativePoints(), and ilAssQuestionPreviewSession\getParticipantsSolution().

      : float {
         $participant_solution = $preview_session->getParticipantsSolution();
 
         $points = 0.0;
         foreach ($this->answers as $key => $answer) {
             if (is_numeric($participant_solution)
                 && $key === (int) $participant_solution) {
                 $points = $answer->getPoints();
             }
         }
         $reached_points = $this->deductHintPointsFromReachedPoints($preview_session, $points);
         return $this->ensureNonNegativePoints($reached_points);
     }

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◆ cloneQuestionTypeSpecificProperties()

assSingleChoice::cloneQuestionTypeSpecificProperties ( \assQuestion $target )

protected

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

References getAnswers(), assQuestion\getId(), and assQuestion\getObjId().

      : \assQuestion {
         $this->cloneImages(
             $this->getId(),
             $this->getObjId(),
             $target->getId(),
             $target->getObjId(),
             $this->getAnswers()
         );
         return $target;
     }

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◆ deleteAnswer()

assSingleChoice::deleteAnswer ( int $index = 0 )

Deletes an answer with a given index.

The index of the first answer is 0, the index of the second answer is 1 and so on.

Parameters

integer $index A nonnegative index of the n-th answer public

See also: $answers

Definition at line 266 of file class.assSingleChoice.php.

References ILIAS\UI\Implementation\Component\Table\getOrder().

                                                 : void
     {
         if ($index < 0) {
             return;
         }
         if (count($this->answers) < 1) {
             return;
         }
         if ($index >= count($this->answers)) {
             return;
         }
         $answer = $this->answers[$index];
         if ($answer->hasImage()) {
             $this->deleteImage($answer->getImage());
         }
         unset($this->answers[$index]);
         $this->answers = array_values($this->answers);
         for ($i = 0, $iMax = count($this->answers); $i < $iMax; $i++) {
             if ($this->answers[$i]->getOrder() > $index) {
                 $this->answers[$i]->setOrder($i);
             }
         }
     }

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◆ flushAnswers()

assSingleChoice::flushAnswers ( )

Deletes all answers.

public

See also: $answers

Definition at line 296 of file class.assSingleChoice.php.

                                   : void
     {
         $this->answers = [];
     }

◆ getAdditionalTableName()

assSingleChoice::getAdditionalTableName ( )

Returns the name of the additional question data table in the database.

Returns: string The additional table name public

Definition at line 582 of file class.assSingleChoice.php.

Referenced by loadFromDb(), and saveAdditionalQuestionDataToDb().

                                             : string
     {
         return "qpl_qst_sc";
     }

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◆ getAnswer()

assSingleChoice::getAnswer ( int $index = 0 )

Returns an answer with a given index.

The index of the first answer is 0, the index of the second answer is 1 and so on.

Parameters

integer $index A nonnegative index of the n-th answer

Returns: object ASS_AnswerBinaryStateImage-Object containing the answer public

See also: $answers

Definition at line 243 of file class.assSingleChoice.php.

Referenced by getAvailableAnswerOptions(), solutionValuesToLog(), and solutionValuesToText().

                                              : ?ASS_AnswerBinaryStateImage
     {
         if ($index < 0) {
             return null;
         }
         if (count($this->answers) < 1) {
             return null;
         }
         if ($index >= count($this->answers)) {
             return null;
         }
 
         return $this->answers[$index];
     }

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◆ getAnswerCount()

assSingleChoice::getAnswerCount ( )

Returns the number of answers.

Returns: integer The number of answers of the multiple choice question public

See also: $answers

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

                                     : int
     {
         return count($this->answers);
     }

◆ getAnswers()

assSingleChoice::getAnswers ( )

Returns a reference to the answers array.

Definition at line 659 of file class.assSingleChoice.php.

References $answers.

Referenced by cloneQuestionTypeSpecificProperties(), getAvailableAnswerOptions(), getCorrectSolutionForTextOutput(), lmMigrateQuestionTypeSpecificContent(), toJSON(), and toLog().

                                 : array
     {
         return $this->answers;
     }

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◆ getAnswerTableName()

assSingleChoice::getAnswerTableName ( )

Returns the name of the answer table in the database.

Returns: string The answer table name public

Definition at line 593 of file class.assSingleChoice.php.

                                         : string
     {
         return "qpl_a_sc";
     }

◆ getAvailableAnswerOptions()

assSingleChoice::getAvailableAnswerOptions ( $index = null )

If index is null, the function returns an array with all anwser options Else it returns the specific answer option.

Parameters

null | int $index

Definition at line 830 of file class.assSingleChoice.php.

References getAnswer(), and getAnswers().

     {
         if ($index !== null) {
             return $this->getAnswer($index);
         } else {
             return $this->getAnswers();
         }
     }

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◆ getCorrectSolutionForTextOutput()

assSingleChoice::getCorrectSolutionForTextOutput	(	int	$active_id,
		int	$pass
	)

Definition at line 933 of file class.assSingleChoice.php.

References $c, getAnswers(), ASS_AnswerSimple\getAnswertext(), and ASS_AnswerSimple\getPoints().

                                                                               : array
     {
         return array_reduce(
             $this->getAnswers(),
             function (array $c, ASS_AnswerBinaryStateImage $v): array {
                 if ($v->getPoints() > 0.0) {
                     $c[] = $v->getAnswertext()
                         . "({$this->lng->txt('points')}: {$v->getPoints()})";
                 }
                 return $c;
             },
             []
         );
     }

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◆ getExpressionTypes()

assSingleChoice::getExpressionTypes ( )

Get all available expression types for a specific question.

Returns: array

Implements iQuestionCondition.

Definition at line 779 of file class.assSingleChoice.php.

References iQuestionCondition\EmptyAnswerExpression, iQuestionCondition\NumberOfResultExpression, and iQuestionCondition\PercentageResultExpression.

                                         : array
     {
         return [
             iQuestionCondition::PercentageResultExpression,
             iQuestionCondition::NumberOfResultExpression,
             iQuestionCondition::EmptyAnswerExpression,
         ];
     }

◆ getFeedbackSetting()

assSingleChoice::getFeedbackSetting ( )

Definition at line 870 of file class.assSingleChoice.php.

References $feedback_setting.

                                         : int
     {
         return $this->feedback_setting;
     }

◆ getMaximumPoints()

assSingleChoice::getMaximumPoints ( )

Returns the maximum points, a learner can reach answering the question.

public

See also: $points

Definition at line 307 of file class.assSingleChoice.php.

References assQuestion\$points.

Referenced by getUserQuestionResult(), and isComplete().

                                       : float
     {
         $points = 0;
         foreach ($this->answers as $key => $value) {
             if ($value->getPoints() > $points) {
                 $points = $value->getPoints();
             }
         }
         return $points;
     }

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◆ getMultilineAnswerSetting()

assSingleChoice::getMultilineAnswerSetting ( )

Definition at line 742 of file class.assSingleChoice.php.

                                                : int
     {
         return $this->current_user->getPref('tst_multiline_answers') === '1' ? 1 : 0;
     }

◆ getOperators()

assSingleChoice::getOperators ( string $expression )

Get all available operations for a specific question.

Parameters

$expression

Implements iQuestionCondition.

Definition at line 774 of file class.assSingleChoice.php.

                                                     : array
     {
         return ilOperatorsExpressionMapping::getOperatorsByExpression($expression);
     }

◆ getQuestionType()

assSingleChoice::getQuestionType ( )

Returns the question type of the question.

Returns: integer The question type of the question public

Definition at line 571 of file class.assSingleChoice.php.

Referenced by toJSON(), and toLog().

                                      : string
     {
         return "assSingleChoice";
     }

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◆ getRTETextWithMediaObjects()

assSingleChoice::getRTETextWithMediaObjects ( )

Definition at line 645 of file class.assSingleChoice.php.

References $text, and assQuestion\getId().

                                                 : string
     {
         $text = parent::getRTETextWithMediaObjects();
         foreach (array_keys($this->answers) as $index) {
             $text .= $this->feedbackOBJ->getSpecificAnswerFeedbackContent($this->getId(), 0, $index);
             $answer_obj = $this->answers[$index];
             $text .= $answer_obj->getAnswertext();
         }
         return $text;
     }

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◆ getSpecificFeedbackAllCorrectOptionLabel()

assSingleChoice::getSpecificFeedbackAllCorrectOptionLabel ( )

Implements ilAssSpecificFeedbackOptionLabelProvider.

Definition at line 769 of file class.assSingleChoice.php.

                                                               : string
     {
         return 'feedback_correct_sc_mc';
     }

◆ getSpecificFeedbackSetting()

assSingleChoice::getSpecificFeedbackSetting ( )

Definition at line 764 of file class.assSingleChoice.php.

References $feedback_setting.

                                                 : int
     {
         return $this->feedback_setting;
     }

◆ getUserQuestionResult()

assSingleChoice::getUserQuestionResult	(	int	$active_id,
		int	$pass
	)

Get the user solution for a question by active_id and the test pass.

Implements iQuestionCondition.

Definition at line 788 of file class.assSingleChoice.php.

References $data, assQuestion\$points, calculateReachedPoints(), assQuestion\getId(), getMaximumPoints(), and assQuestion\lookupMaxStep().

      : ilUserQuestionResult {
         $result = new ilUserQuestionResult($this, $active_id, $pass);
 
         $maxStep = $this->lookupMaxStep($active_id, $pass);
         if ($maxStep > 0) {
             $data = $this->db->queryF(
                 "SELECT * FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s AND step = %s",
                 ["integer", "integer", "integer","integer"],
                 [$active_id, $pass, $this->getId(), $maxStep]
             );
         } else {
             $data = $this->db->queryF(
                 "SELECT * FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s",
                 ["integer", "integer", "integer"],
                 [$active_id, $pass, $this->getId()]
             );
         }
 
         $row = $this->db->fetchAssoc($data);
 
         if ($row != null) {
             ++$row["value1"];
             $result->addKeyValue($row["value1"], $row["value1"]);
         }
 
         $points = $this->calculateReachedPoints($active_id, $pass);
         $max_points = $this->getMaximumPoints();
 
         $result->setReachedPercentage(($points / $max_points) * 100);
 
         return $result;
     }

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◆ isComplete()

assSingleChoice::isComplete ( )

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

References getMaximumPoints().

                                 : bool
     {
         if (
             $this->title !== ''
             && $this->author !== null && $this->author !== ''
             && $this->question !== null && $this->question !== ''
             && $this->answers !== []
             && $this->getMaximumPoints() > 0
         ) {
             foreach ($this->answers as $answer) {
                 if ($answer->getAnswertext() === '' && $answer->getImage() === '') {
                     return false;
                 }
             }
             return true;
         }
         return false;
     }

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◆ isSingleline()

assSingleChoice::isSingleline ( )

Definition at line 860 of file class.assSingleChoice.php.

References $is_singleline.

                                   : bool
     {
         return $this->is_singleline;
     }

◆ lmMigrateQuestionTypeSpecificContent()

assSingleChoice::lmMigrateQuestionTypeSpecificContent ( ilAssSelfAssessmentMigrator $migrator )

protected

Definition at line 669 of file class.assSingleChoice.php.

References getAnswers(), and ilAssSelfAssessmentMigrator\migrateToLmContent().

      : void {
         foreach ($this->getAnswers() as $answer) {
             /* @var ASS_AnswerBinaryStateImage $answer */
             $answer->setAnswertext($migrator->migrateToLmContent($answer->getAnswertext()));
         }
     }

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◆ loadFromDb()

assSingleChoice::loadFromDb ( int $question_id )

Definition at line 98 of file class.assSingleChoice.php.

References $data, Vendor\Package\$e, assQuestion\$shuffle, ilRTE\_replaceMediaObjectImageSrc(), getAdditionalTableName(), ilAssQuestionLifecycle\getDraftInstance(), assQuestion\getImagePath(), ilAssQuestionLifecycle\getInstance(), assQuestion\getMinimumThumbSize(), assQuestion\setAdditionalContentEditingMode(), assQuestion\setAuthor(), assQuestion\setComment(), assQuestion\setId(), assQuestion\setLifecycle(), assQuestion\setNrOfTries(), assQuestion\setObjId(), assQuestion\setOriginalId(), assQuestion\setOwner(), assQuestion\setPoints(), assQuestion\setQuestion(), assQuestion\setShuffle(), assQuestion\setThumbSize(), and assQuestion\setTitle().

                                                 : void
     {
         $result = $this->db->queryF(
             "SELECT qpl_questions.*, " . $this->getAdditionalTableName() . ".* FROM qpl_questions LEFT JOIN " . $this->getAdditionalTableName() . " ON " . $this->getAdditionalTableName() . ".question_fi = qpl_questions.question_id WHERE qpl_questions.question_id = %s",
             ["integer"],
             [$question_id]
         );
         if ($result->numRows() == 1) {
             $data = $this->db->fetchAssoc($result);
             $this->setId($question_id);
             $this->setObjId($data["obj_fi"]);
             $this->setTitle($data["title"] ?? '');
             $this->setNrOfTries($data['nr_of_tries']);
             $this->setComment($data["description"] ?? '');
             $this->setOriginalId($data["original_id"]);
             $this->setAuthor($data["author"]);
             $this->setPoints($data["points"]);
             $this->setOwner($data["owner"]);
             $this->setQuestion(ilRTE::_replaceMediaObjectImageSrc($data["question_text"] ?? '', 1));
             $shuffle = (is_null($data['shuffle'])) ? true : $data['shuffle'];
             $this->setShuffle((bool) $shuffle);
             if ($data['thumb_size'] !== null && $data['thumb_size'] >= $this->getMinimumThumbSize()) {
                 $this->setThumbSize($data['thumb_size']);
             }
             $this->is_singleline = $data['allow_images'] === null || $data['allow_images'] === '0';
             $this->lastChange = $data['tstamp'];
             $this->feedback_setting = $data['feedback_setting'] ?? self::FEEDBACK_MODE_SELECTED_ANSWERS;
 
             try {
                 $this->setLifecycle(ilAssQuestionLifecycle::getInstance($data['lifecycle']));
             } catch (ilTestQuestionPoolInvalidArgumentException $e) {
                 $this->setLifecycle(ilAssQuestionLifecycle::getDraftInstance());
             }
 
             try {
                 $this->setAdditionalContentEditingMode($data['add_cont_edit_mode']);
             } catch (ilTestQuestionPoolException $e) {
             }
         }
 
         $result = $this->db->queryF(
             "SELECT * FROM qpl_a_sc WHERE question_fi = %s ORDER BY aorder ASC",
             ['integer'],
             [$question_id]
         );
 
         if ($result->numRows() > 0) {
             while ($data = $this->db->fetchAssoc($result)) {
                 $imagefilename = $this->getImagePath() . $data["imagefile"];
                 if (!file_exists($imagefilename)) {
                     $data["imagefile"] = null;
                 }
 
                 $data["answertext"] = ilRTE::_replaceMediaObjectImageSrc($data["answertext"] ?? '', 1);
                 $image = new ASS_AnswerBinaryStateImage(
                     $data["answertext"],
                     $data["points"],
                     $data["aorder"],
                     true,
                     $data["imagefile"] ? $data["imagefile"] : null,
                     $data["answer_id"]
                 );
                 $this->answers[] = $image;
             }
         }
 
         parent::loadFromDb($question_id);
     }

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◆ removeAnswerImage()

assSingleChoice::removeAnswerImage ( int $index )

Definition at line 733 of file class.assSingleChoice.php.

                                                  : void
     {
         $answer = $this->answers[$index];
         if (is_object($answer)) {
             $this->deleteImage($answer->getImage());
             $answer->setImage(null);
         }
     }

◆ saveAdditionalQuestionDataToDb()

assSingleChoice::saveAdditionalQuestionDataToDb ( )

Saves a record to the question types additional data table.

Returns: mixed

Implements ilObjQuestionScoringAdjustable.

Definition at line 416 of file class.assSingleChoice.php.

References ilRTE\_replaceMediaObjectImageSrc(), ilFileUtils\delDir(), assQuestion\getAdditionalContentEditingMode(), getAdditionalTableName(), assQuestion\getId(), assQuestion\getImagePath(), assQuestion\getShuffle(), assQuestion\getThumbSize(), and ilObjAnswerScoringAdjustable\saveAnswerSpecificDataToDb().

Referenced by saveToDb().

                                                     : void
     {
         // save additional data
         $this->db->manipulateF(
             "DELETE FROM " . $this->getAdditionalTableName() . " WHERE question_fi = %s",
             [ "integer" ],
             [ $this->getId() ]
         );
 
         $this->db->manipulateF(
             "INSERT INTO " . $this->getAdditionalTableName(
             ) . " (question_fi, shuffle, allow_images, thumb_size) VALUES (%s, %s, %s, %s)",
             [ "integer", "text", "text", "integer" ],
             [
                                 $this->getId(),
                                 $this->getShuffle(),
                                 $this->is_singleline ? '0' : '1',
                                 $this->getThumbSize()
                             ]
         );
     }

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◆ savePreviewData()

assSingleChoice::savePreviewData ( ilAssQuestionPreviewSession $previewSession )

protected

Definition at line 403 of file class.assSingleChoice.php.

References assQuestion\getId(), ILIAS\FileDelivery\http(), ILIAS\Repository\refinery(), and ilAssQuestionPreviewSession\setParticipantsSolution().

                                                                                    : void
     {
         $mc_result_key = 'multiple_choice_result' . $this->getId() . 'ID';
         if (
             $this->http->wrapper()->post()->has($mc_result_key) &&
             ($mc_result = $this->http->wrapper()->post()->retrieve($mc_result_key, $this->refinery->kindlyTo()->string())) !== ''
         ) {
             $previewSession->setParticipantsSolution($mc_result);
         } else {
             $previewSession->setParticipantsSolution(null);
         }
     }

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◆ saveToDb()

assSingleChoice::saveToDb ( ?int $original_id = null )

Definition at line 90 of file class.assSingleChoice.php.

References assQuestion\$original_id, saveAdditionalQuestionDataToDb(), ilObjAnswerScoringAdjustable\saveAnswerSpecificDataToDb(), and assQuestion\saveQuestionDataToDb().

                                                       : void
     {
         $this->saveQuestionDataToDb($original_id);
         $this->saveAdditionalQuestionDataToDb();
         $this->saveAnswerSpecificDataToDb();
         parent::saveToDb($original_id);
     }

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◆ saveWorkingData()

assSingleChoice::saveWorkingData	(	int	$active_id,
		?int	$pass = `null`,
		bool	$authorized = `true`
	)

Definition at line 360 of file class.assSingleChoice.php.

References ilObjTest\_getPass(), assQuestion\getCurrentSolutionResultSet(), assQuestion\getProcessLocker(), ILIAS\FileDelivery\http(), ILIAS\Repository\refinery(), assQuestion\removeSolutionRecordById(), assQuestion\saveCurrentSolution(), and assQuestion\updateCurrentSolution().

      : bool {
         if (is_null($pass)) {
             $pass = ilObjTest::_getPass($active_id);
         }
 
         $this->getProcessLocker()->executeUserSolutionUpdateLockOperation(
             function () use ($active_id, $pass, $authorized) {
                 $result = $this->getCurrentSolutionResultSet($active_id, $pass, $authorized);
 
                 $update = -1;
                 if ($this->db->numRows($result)) {
                     $row = $this->db->fetchAssoc($result);
                     $update = $row["solution_id"];
                 }
 
                 $multiple_choice_result = $this->http->wrapper()->post()->has('multiple_choice_result') ?
                     $this->http->wrapper()->post()->retrieve('multiple_choice_result', $this->refinery->kindlyTo()->string()) :
                     '';
 
                 if ($update !== -1
                     && $multiple_choice_result === '') {
                     $this->removeSolutionRecordById($update);
                     return;
                 }
 
                 if ($update !== -1) {
                     $this->updateCurrentSolution($update, $multiple_choice_result, null, $authorized);
                     return;
                 }
 
                 if ($multiple_choice_result !== '') {
                     $this->saveCurrentSolution($active_id, $pass, $multiple_choice_result, null, $authorized);
                 }
             }
         );
 
         return true;
     }

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◆ setAnswers()

assSingleChoice::setAnswers ( array $answers )

Definition at line 664 of file class.assSingleChoice.php.

References $answers.

                                               : void
     {
         $this->answers = $answers;
     }

◆ setFeedbackSetting()

assSingleChoice::setFeedbackSetting ( int $feedback_setting )

Definition at line 875 of file class.assSingleChoice.php.

References $feedback_setting.

                                                              : void
     {
         $this->feedback_setting = $feedback_setting;
     }

◆ setImageFile()

assSingleChoice::setImageFile	(	string	$image_filename,
		string	$image_tempfilename = `''`
	)

Sets the image file and uploads the image to the object's image directory.

Parameters

string	$image_filename	Name of the original image file
string	$image_tempfilename	Name of the temporary uploaded image file

Returns: integer An errorcode if the image upload fails, 0 otherwise public

Definition at line 606 of file class.assSingleChoice.php.

References assQuestion\getImagePath(), ilObjMediaObject\getMimeType(), assQuestion\getThumbSize(), ilFileUtils\makeDirParents(), and ilFileUtils\moveUploadedFile().

      : int {
         if (empty($image_tempfilename)) {
             return 0;
         }
 
         $cleaned_image_filename = str_replace(" ", "_", $image_filename);
         $imagepath = $this->getImagePath();
         if (!file_exists($imagepath)) {
             ilFileUtils::makeDirParents($imagepath);
         }
 
         if (!ilFileUtils::moveUploadedFile($image_tempfilename, $cleaned_image_filename, $imagepath . $cleaned_image_filename)) {
             return 2;
         }
 
         $mimetype = ilObjMediaObject::getMimeType($imagepath . $cleaned_image_filename);
         if (!preg_match("/^image/", $mimetype)) {
             unlink($imagepath . $cleaned_image_filename);
             return 1;
         }
 
         if ($this->is_singleline && $this->getThumbSize()) {
             $this->generateThumbForFile(
                 $cleaned_image_filename,
                 $this->getImagePath(),
                 $this->getThumbSize()
             );
         }
 
         return 0;
     }

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◆ setIsSingleline()

assSingleChoice::setIsSingleline ( bool $is_singleline )

Definition at line 865 of file class.assSingleChoice.php.

References $is_singleline.

                                                         : void
     {
         $this->is_singleline = $is_singleline;
     }

◆ setMultilineAnswerSetting()

assSingleChoice::setMultilineAnswerSetting ( $setting = '0' )

Definition at line 747 of file class.assSingleChoice.php.

                                                              : void
     {
         $this->current_user->writePref('tst_multiline_answers', (string) $setting);
     }

◆ setSpecificFeedbackSetting()

assSingleChoice::setSpecificFeedbackSetting ( int $feedback_setting )

Sets the feedback settings in effect for the question.

Options are: 1 - Feedback is shown for all answer options. 2 - Feedback is shown for all checked/selected options. 3 - Feedback is shown for all correct options.

Definition at line 759 of file class.assSingleChoice.php.

References $feedback_setting.

                                                                      : void
     {
         $this->feedback_setting = $feedback_setting;
     }

◆ solutionValuesToLog()

assSingleChoice::solutionValuesToLog	(	AdditionalInformationGenerator	$additional_info,
		array	$solution_values
	)

protected

Definition at line 909 of file class.assSingleChoice.php.

References getAnswer(), and ILIAS\Test\Logging\AdditionalInformationGenerator\getNoneTag().

      : string {
         if ($solution_values === []
             || !array_key_exists(0, $solution_values)
             || !is_array($solution_values[0])) {
             return $additional_info->getNoneTag();
         }
 
         return $this->getAnswer((int) $solution_values[0]['value1'])->getAnswertext();
     }

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◆ solutionValuesToText()

assSingleChoice::solutionValuesToText ( array $solution_values )

Definition at line 922 of file class.assSingleChoice.php.

References getAnswer().

                                                                 : string
     {
         if ($solution_values === []
             || !array_key_exists(0, $solution_values)
             || !is_array($solution_values[0])) {
             return '';
         }
 
         return $this->getAnswer((int) $solution_values[0]['value1'])->getAnswertext();
     }

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◆ toJSON()

assSingleChoice::toJSON ( )

Returns a JSON representation of the question.

Implements ILIAS\TestQuestionPool\Questions\QuestionLMExportable.

Definition at line 681 of file class.assSingleChoice.php.

References $answers, ilObjMediaObject\_getMobsOfObject(), assQuestion\formatSAQuestion(), getAnswers(), assQuestion\getId(), assQuestion\getImagePathWeb(), assQuestion\getNrOfTries(), assQuestion\getQuestion(), getQuestionType(), assQuestion\getShuffle(), assQuestion\getThumbSize(), assQuestion\getTitleForHTMLOutput(), and ILIAS\Repository\int().

                             : string
     {
         $result = [];
         $result['id'] = $this->getId();
         $result['type'] = (string) $this->getQuestionType();
         $result['title'] = $this->getTitleForHTMLOutput();
         $result['question'] = $this->formatSAQuestion($this->getQuestion());
         $result['nr_of_tries'] = $this->getNrOfTries();
         $result['shuffle'] = $this->getShuffle();
 
         $result['feedback'] = [
             'onenotcorrect' => $this->formatSAQuestion(
                 $this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), false)
             ),
             'allcorrect' => $this->formatSAQuestion(
                 $this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), true)
             )
         ];
 
         $answers = [];
         $has_image = false;
         foreach ($this->getAnswers() as $key => $answer_obj) {
             if ((string) $answer_obj->getImage()) {
                 $has_image = true;
             }
             array_push($answers, [
                 "answertext" => $this->formatSAQuestion($answer_obj->getAnswertext()),
                 'html_id' => $this->getId() . '_' . $key,
                 "points" => (float) $answer_obj->getPoints(),
                 "order" => (int) $answer_obj->getOrder(),
                 "image" => (string) $answer_obj->getImage(),
                 "feedback" => $this->formatSAQuestion(
                     $this->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation(
                         $this->getId(),
                         0,
                         $key
                     )
                 )
             ]);
         }
         $result['answers'] = $answers;
         if ($has_image) {
             $result['path'] = $this->getImagePathWeb();
             $result['thumb'] = $this->getThumbSize();
         }
 
         $mobs = ilObjMediaObject::_getMobsOfObject("qpl:html", $this->getId());
         $result['mobs'] = $mobs;
 
         return json_encode($result);
     }

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◆ toLog()

assSingleChoice::toLog ( AdditionalInformationGenerator $additional_info )

Implements ILIAS\TestQuestionPool\Questions\Question.

Definition at line 880 of file class.assSingleChoice.php.

References assQuestion\formatSAQuestion(), getAnswers(), assQuestion\getQuestion(), getQuestionType(), assQuestion\getShuffle(), assQuestion\getTitleForHTMLOutput(), ILIAS\Test\Logging\AdditionalInformationGenerator\getTrueFalseTagForBool(), and ILIAS\Repository\int().

                                                                           : array
     {
         $result = [
             AdditionalInformationGenerator::KEY_QUESTION_TYPE => (string) $this->getQuestionType(),
             AdditionalInformationGenerator::KEY_QUESTION_TITLE => $this->getTitleForHTMLOutput(),
             AdditionalInformationGenerator::KEY_QUESTION_TEXT => $this->formatSAQuestion($this->getQuestion()),
             AdditionalInformationGenerator::KEY_QUESTION_SHUFFLE_ANSWER_OPTIONS => $additional_info
                 ->getTrueFalseTagForBool($this->getShuffle()),
             AdditionalInformationGenerator::KEY_FEEDBACK => [
                 AdditionalInformationGenerator::KEY_QUESTION_FEEDBACK_ON_INCOMPLETE => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), false)),
                 AdditionalInformationGenerator::KEY_QUESTION_FEEDBACK_ON_COMPLETE => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), true))
             ]
         ];
 
         foreach ($this->getAnswers() as $key => $answer_obj) {
             $result[AdditionalInformationGenerator::KEY_QUESTION_ANSWER_OPTIONS][$key + 1] = [
                 AdditionalInformationGenerator::KEY_QUESTION_ANSWER_OPTION => $this->formatSAQuestion($answer_obj->getAnswertext()),
                 AdditionalInformationGenerator::KEY_QUESTION_REACHABLE_POINTS => (float) $answer_obj->getPoints(),
                 AdditionalInformationGenerator::KEY_QUESTION_ANSWER_OPTION_ORDER => (int) $answer_obj->getOrder(),
                 AdditionalInformationGenerator::KEY_QUESTION_ANSWER_OPTION_IMAGE => (string) $answer_obj->getImage(),
                 AdditionalInformationGenerator::KEY_FEEDBACK => $this->formatSAQuestion(
                     $this->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation($this->getId(), 0, $key)
                 )
             ];
         }
 
         return $result;
     }

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Field Documentation

◆ $answers

array assSingleChoice::$answers = []

Definition at line 55 of file class.assSingleChoice.php.

Referenced by getAnswers(), setAnswers(), and toJSON().

◆ $feedback_setting

int assSingleChoice::$feedback_setting = self::FEEDBACK_MODE_SELECTED_ANSWERS

protected

Definition at line 57 of file class.assSingleChoice.php.

Referenced by getFeedbackSetting(), getSpecificFeedbackSetting(), setFeedbackSetting(), and setSpecificFeedbackSetting().

◆ $is_singleline

bool assSingleChoice::$is_singleline = true

private

Definition at line 50 of file class.assSingleChoice.php.

Referenced by isSingleline(), and setIsSingleline().

◆ $output_type

int assSingleChoice::$output_type

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

Referenced by __construct().

◆ FEEDBACK_MODE_ALL_ANSWERS

const assSingleChoice::FEEDBACK_MODE_ALL_ANSWERS = 1

protected

Definition at line 46 of file class.assSingleChoice.php.

◆ FEEDBACK_MODE_CORRECT_ANSWERS

const assSingleChoice::FEEDBACK_MODE_CORRECT_ANSWERS = 3

protected

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

◆ FEEDBACK_MODE_SELECTED_ANSWERS

const assSingleChoice::FEEDBACK_MODE_SELECTED_ANSWERS = 2

protected

Definition at line 47 of file class.assSingleChoice.php.

◆ OUTPUT_ORDER

const assSingleChoice::OUTPUT_ORDER = 0

protected

Definition at line 43 of file class.assSingleChoice.php.

◆ OUTPUT_RANDOM

const assSingleChoice::OUTPUT_RANDOM = 1

protected

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

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

components/ILIAS/TestQuestionPool/classes/class.assSingleChoice.php

Public Member Functions

Data Fields

Protected Member Functions

Protected Attributes

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ addAnswer()

◆ afterSyncWithOriginal()

◆ calculateReachedPoints()

◆ calculateReachedPointsFromPreviewSession()

◆ cloneQuestionTypeSpecificProperties()

◆ deleteAnswer()

◆ flushAnswers()

◆ getAdditionalTableName()

◆ getAnswer()

◆ getAnswerCount()

◆ getAnswers()

◆ getAnswerTableName()

◆ getAvailableAnswerOptions()

◆ getCorrectSolutionForTextOutput()

◆ getExpressionTypes()

◆ getFeedbackSetting()

◆ getMaximumPoints()

◆ getMultilineAnswerSetting()

◆ getOperators()

◆ getQuestionType()

◆ getRTETextWithMediaObjects()

◆ getSpecificFeedbackAllCorrectOptionLabel()

◆ getSpecificFeedbackSetting()

◆ getUserQuestionResult()

◆ isComplete()

◆ isSingleline()

◆ lmMigrateQuestionTypeSpecificContent()

◆ loadFromDb()

◆ removeAnswerImage()

◆ saveAdditionalQuestionDataToDb()

◆ savePreviewData()

◆ saveToDb()

◆ saveWorkingData()

◆ setAnswers()

◆ setFeedbackSetting()

◆ setImageFile()

◆ setIsSingleline()

◆ setMultilineAnswerSetting()

◆ setSpecificFeedbackSetting()

◆ solutionValuesToLog()

◆ solutionValuesToText()

◆ toJSON()

◆ toLog()

Field Documentation

◆ $answers

◆ $feedback_setting

◆ $is_singleline

◆ $output_type

◆ FEEDBACK_MODE_ALL_ANSWERS

◆ FEEDBACK_MODE_CORRECT_ANSWERS

◆ FEEDBACK_MODE_SELECTED_ANSWERS

◆ OUTPUT_ORDER

◆ OUTPUT_RANDOM