4require_once 
'./Modules/TestQuestionPool/classes/class.assQuestion.php';
 
    5require_once 
'./Modules/Test/classes/inc.AssessmentConstants.php';
 
    6require_once 
'./Modules/TestQuestionPool/interfaces/interface.ilObjQuestionScoringAdjustable.php';
 
    7require_once 
'./Modules/TestQuestionPool/interfaces/interface.ilObjAnswerScoringAdjustable.php';
 
    8require_once 
'./Modules/TestQuestionPool/interfaces/interface.iQuestionCondition.php';
 
    9require_once 
'./Modules/TestQuestionPool/classes/class.ilUserQuestionResult.php';
 
   10require_once 
'Modules/TestQuestionPool/interfaces/interface.ilAssSpecificFeedbackOptionLabelProvider.php';
 
   84        $this->thumb_size = 150;
 
   86        $this->answers = array();
 
   88        $this->feedback_setting = 2;
 
   99        if (strlen($this->title) and ($this->author) and ($this->question) and (count($this->answers)) and ($this->
getMaximumPoints() > 0)) {
 
  100            foreach ($this->answers as $answer) {
 
  101                if ((strlen($answer->getAnswertext()) == 0) && (strlen($answer->getImage()) == 0)) {
 
  132                array($this->
getId())
 
  136                $oldthumbsize = 
$data[
'thumb_size'];
 
  155                if (strlen($answer->getImage())) {
 
  174            switch (strtoupper($path_info[
'extension'])) {
 
  210            $this->
setId($question_id);
 
  219            include_once(
"./Services/RTE/classes/class.ilRTE.php");
 
  225            $this->isSingleline = (
$data[
'allow_images']) ? 
false : 
true;
 
  226            $this->lastChange = 
$data[
'tstamp'];
 
  227            $this->feedback_setting = 
$data[
'feedback_setting'];
 
  236            "SELECT * FROM qpl_a_sc WHERE question_fi = %s ORDER BY aorder ASC",
 
  240        include_once 
"./Modules/TestQuestionPool/classes/class.assAnswerBinaryStateImage.php";
 
  244                if (!@file_exists($imagefilename)) {
 
  245                    $data[
"imagefile"] = 
"";
 
  247                include_once(
"./Services/RTE/classes/class.ilRTE.php");
 
  253        parent::loadFromDb($question_id);
 
  263        if ($this->
id <= 0) {
 
  268        $this_id = $this->
getId();
 
  272        include_once(
"./Modules/TestQuestionPool/classes/class.assQuestion.php");
 
  276        if ((
int) $testObjId > 0) {
 
  277            $clone->setObjId($testObjId);
 
  297        $clone->copyPageOfQuestion($this_id);
 
  300        $clone->copyXHTMLMediaObjectsOfQuestion($this_id);
 
  302        $clone->duplicateImages($this_id, $thisObjId);
 
  304        $clone->onDuplicate($thisObjId, $this_id, $clone->getObjId(), $clone->getId());
 
  316        if ($this->
id <= 0) {
 
  322        include_once(
"./Modules/TestQuestionPool/classes/class.assQuestion.php");
 
  325        $source_questionpool_id = $this->
getObjId();
 
  326        $clone->setObjId($target_questionpool_id);
 
  336        $clone->copyImages(
$original_id, $source_questionpool_id);
 
  338        $clone->onCopy($source_questionpool_id, 
$original_id, $clone->getObjId(), $clone->getId());
 
  345        if ($this->
id <= 0) {
 
  350        include_once(
"./Modules/TestQuestionPool/classes/class.assQuestion.php");
 
  353        $sourceParentId = $this->
getObjId();
 
  359        $clone->setObjId($targetParentId);
 
  361        if ($targetQuestionTitle) {
 
  362            $clone->setTitle($targetQuestionTitle);
 
  367        $clone->copyPageOfQuestion($sourceQuestionId);
 
  369        $clone->copyXHTMLMediaObjectsOfQuestion($sourceQuestionId);
 
  371        $clone->copyImages($sourceQuestionId, $sourceParentId);
 
  373        $clone->onCopy($sourceParentId, $sourceQuestionId, $clone->getObjId(), $clone->getId());
 
  421        include_once 
"./Modules/TestQuestionPool/classes/class.assAnswerBinaryStateImage.php";
 
  422        if (array_key_exists($order, $this->answers)) {
 
  425            $newchoices = array();
 
  426            for (
$i = 0; 
$i < $order; 
$i++) {
 
  427                array_push($newchoices, $this->answers[
$i]);
 
  429            array_push($newchoices, $answer);
 
  430            for (
$i = $order; 
$i < count($this->answers); 
$i++) {
 
  435            $this->answers = $newchoices;
 
  439            array_push($this->answers, $answer);
 
  452        return count($this->answers);
 
  469        if (count($this->answers) < 1) {
 
  472        if (
$index >= count($this->answers)) {
 
  476        return $this->answers[
$index];
 
  492        if (count($this->answers) < 1) {
 
  495        if (
$index >= count($this->answers)) {
 
  498        $answer = $this->answers[
$index];
 
  499        if (strlen($answer->getImage())) {
 
  502        unset($this->answers[
$index]);
 
  503        $this->answers = array_values($this->answers);
 
  504        for (
$i = 0; 
$i < count($this->answers); 
$i++) {
 
  505            if ($this->answers[
$i]->getOrder() > 
$index) {
 
  506                $this->answers[
$i]->setOrder(
$i);
 
  519        $this->answers = array();
 
  531        foreach ($this->answers as 
$key => $value) {
 
  532            if ($value->getPoints() > 
$points) {
 
  551        if ($returndetails) {
 
  552            throw new ilTestException(
'return details not implemented for ' . __METHOD__);
 
  558        $found_values = array();
 
  559        if (is_null(
$pass)) {
 
  564            if (strcmp(
$data[
"value1"], 
"") != 0) {
 
  565                array_push($found_values, 
$data[
"value1"]);
 
  569        foreach ($this->answers as 
$key => $answer) {
 
  570            if (count($found_values) > 0) {
 
  571                if (in_array(
$key, $found_values)) {
 
  572                    $points += $answer->getPoints();
 
  586        foreach ($this->answers as 
$key => $answer) {
 
  587            if (is_numeric($participantSolution) && 
$key == $participantSolution) {
 
  588                $points = $answer->getPoints();
 
  611        if (is_null(
$pass)) {
 
  612            include_once 
"./Modules/Test/classes/class.ilObjTest.php";
 
  618        $this->
getProcessLocker()->executeUserSolutionUpdateLockOperation(
function () use (&$entered_values, 
$ilDB, $active_id, 
$pass, $authorized) {
 
  621            $update = 
$row[
"solution_id"];
 
  624                if (strlen(
$_POST[
"multiple_choice_result"])) {
 
  631                if (strlen(
$_POST[
"multiple_choice_result"])) {
 
  638        if ($entered_values) {
 
  639            include_once(
"./Modules/Test/classes/class.ilObjAssessmentFolder.php");
 
  644            include_once(
"./Modules/Test/classes/class.ilObjAssessmentFolder.php");
 
  655        if (strlen(
$_POST[
'multiple_choice_result' . $this->
getId() . 
'ID'])) {
 
  672            array( $this->
getId() )
 
  677                                                                               ) . 
" (question_fi, shuffle, allow_images, thumb_size, feedback_setting) VALUES (%s, %s, %s, %s, %s)",
 
  678            array( 
"integer", 
"text", 
"text", 
"integer", 
'integer' ),
 
  682                                ($this->isSingleline) ? 
"0" : 
"1",
 
  694        if (!$this->isSingleline) {
 
  698            "DELETE FROM qpl_a_sc WHERE question_fi = %s",
 
  700            array( $this->
getId() )
 
  703        foreach ($this->answers as 
$key => $value) {
 
  705            $answer_obj = $this->answers[
$key];
 
  706            $next_id = 
$ilDB->nextId(
'qpl_a_sc');
 
  708                "INSERT INTO qpl_a_sc (answer_id, question_fi, answertext, points, aorder, imagefile, tstamp) VALUES (%s, %s, %s, %s, %s, %s, %s)",
 
  709                array( 
'integer', 
'integer', 
'text', 
'float', 
'integer', 
'text', 
'integer' ),
 
  714                                    $answer_obj->getPoints(),
 
  715                                    $answer_obj->getOrder(),
 
  716                                    $answer_obj->getImage(),
 
  732        return "assSingleChoice";
 
  765    public function setImageFile($image_filename, $image_tempfilename = 
"")
 
  768        if (!empty($image_tempfilename)) {
 
  769            $image_filename = str_replace(
" ", 
"_", $image_filename);
 
  771            if (!file_exists($imagepath)) {
 
  775            if (!ilUtil::moveUploadedFile($image_tempfilename, $image_filename, $imagepath . $image_filename)) {
 
  778                include_once 
"./Services/MediaObjects/classes/class.ilObjMediaObject.php";
 
  780                if (!preg_match(
"/^image/", $mimetype)) {
 
  781                    unlink($imagepath . $image_filename);
 
  803        @unlink($imagepath . $image_filename);
 
  804        $thumbpath = $imagepath . $this->
getThumbPrefix() . $image_filename;
 
  813        $imagepath_original = str_replace(
"/$this->id/images", 
"/$question_id/images", $imagepath);
 
  815        if ((
int) $objectId > 0) {
 
  816            $imagepath_original = str_replace(
"/$this->obj_id/", 
"/$objectId/", $imagepath_original);
 
  819        foreach ($this->answers as $answer) {
 
  822                if (!file_exists($imagepath)) {
 
  826                    $ilLog->write(
"image could not be duplicated!!!!", 
$ilLog->ERROR);
 
  827                    $ilLog->write(
"object: " . print_r($this, 
true), 
$ilLog->ERROR);
 
  829                if (@file_exists($imagepath_original . $this->
getThumbPrefix() . $filename)) {
 
  831                        $ilLog->write(
"image thumbnail could not be duplicated!!!!", 
$ilLog->ERROR);
 
  832                        $ilLog->write(
"object: " . print_r($this, 
true), 
$ilLog->ERROR);
 
  839    public function copyImages($question_id, $source_questionpool)
 
  846        $imagepath_original = str_replace(
"/$this->id/images", 
"/$question_id/images", $imagepath);
 
  847        $imagepath_original = str_replace(
"/$this->obj_id/", 
"/$source_questionpool/", $imagepath_original);
 
  848        foreach ($this->answers as $answer) {
 
  851                if (!file_exists($imagepath)) {
 
  855                if (file_exists($imagepath_original . 
$filename)) {
 
  858                            "Could not clone source image '%s' to '%s' (srcQuestionId: %s|tgtQuestionId: %s|srcParentObjId: %s|tgtParentObjId: %s)",
 
  863                            $source_questionpool,
 
  869                if (file_exists($imagepath_original . $this->
getThumbPrefix() . $filename)) {
 
  872                            "Could not clone thumbnail source image '%s' to '%s' (srcQuestionId: %s|tgtQuestionId: %s|srcParentObjId: %s|tgtParentObjId: %s)",
 
  877                            $source_questionpool,
 
  895        $imagepath_original = str_replace(
"/$this->id/images", 
"/$question_id/images", $imagepath);
 
  897        foreach ($this->answers as $answer) {
 
  900                if (@file_exists($imagepath . 
$filename)) {
 
  901                    if (!file_exists($imagepath)) {
 
  904                    if (!file_exists($imagepath_original)) {
 
  908                        $ilLog->write(
"image could not be duplicated!!!!", 
$ilLog->ERROR);
 
  909                        $ilLog->write(
"object: " . print_r($this, 
true), 
$ilLog->ERROR);
 
  912                if (@file_exists($imagepath . $this->
getThumbPrefix() . $filename)) {
 
  914                        $ilLog->write(
"image thumbnail could not be duplicated!!!!", 
$ilLog->ERROR);
 
  915                        $ilLog->write(
"object: " . print_r($this, 
true), 
$ilLog->ERROR);
 
  928        $text = parent::getRTETextWithMediaObjects();
 
  929        foreach ($this->answers as 
$index => $answer) {
 
  930            $text .= $this->feedbackOBJ->getSpecificAnswerFeedbackContent($this->
getId(), 0, 
$index);
 
  931            $answer_obj = $this->answers[
$index];
 
  932            $text .= $answer_obj->getAnswertext();
 
  950        parent::setExportDetailsXLS($worksheet, $startrow, $active_id, 
$pass);
 
  955            $worksheet->setCell($startrow + 
$i, 0, $answer->getAnswertext());
 
  956            $worksheet->setBold($worksheet->getColumnCoord(0) . ($startrow + 
$i));
 
  958                count($solution) > 0 &&
 
  959                isset($solution[0]) &&
 
  960                is_array($solution[0]) &&
 
  961                strlen($solution[0][
'value1']) > 0 && 
$id == $solution[0][
'value1']
 
  963                $worksheet->setCell($startrow + 
$i, 1, 1);
 
  965                $worksheet->setCell($startrow + 
$i, 1, 0);
 
  970        return $startrow + 
$i + 1;
 
  980        $this->thumb_size = $a_size;
 
  999        include_once(
"./Services/RTE/classes/class.ilRTE.php");
 
 1009            'onenotcorrect' => $this->
formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), 
false)),
 
 1010            'allcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), 
true))
 
 1016            if ((
string) $answer_obj->getImage()) {
 
 1020                "answertext" => (
string) $this->
formatSAQuestion($answer_obj->getAnswertext()),
 
 1021                'html_id' => (
int) $this->getId() . 
'_' . 
$key,
 
 1022                "points" => (
float) $answer_obj->getPoints(),
 
 1023                "order" => (
int) $answer_obj->getOrder(),
 
 1024                "image" => (
string) $answer_obj->getImage(),
 
 1025                "feedback" => $this->formatSAQuestion(
 
 1026                    $this->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation($this->getId(), 0, 
$key)
 
 1044        $answer = $this->answers[
$index];
 
 1045        if (is_object($answer)) {
 
 1047            $answer->setImage(
'');
 
 1053        $value = rand(0, count($this->answers) - 1);
 
 1054        $_POST[
"multiple_choice_result"] = (strlen($value)) ? (
string) $value : 
'0';
 
 1064        $multilineAnswerSetting = 
$ilUser->getPref(
"tst_multiline_answers");
 
 1065        if ($multilineAnswerSetting != 1) {
 
 1066            $multilineAnswerSetting = 0;
 
 1068        return $multilineAnswerSetting;
 
 1075        $ilUser->writePref(
"tst_multiline_answers", $a_setting);
 
 1089        $this->feedback_setting = $a_feedback_setting;
 
 1103        if ($this->feedback_setting) {
 
 1112        return 'feedback_correct_sc_mc';
 
 1129        return $numExistingSolutionRecords > 0;
 
 1157        require_once 
"./Modules/TestQuestionPool/classes/class.ilOperatorsExpressionMapping.php";
 
 1189        $maxStep = $this->lookupMaxStep($active_id, 
$pass);
 
 1191        if ($maxStep !== 
null) {
 
 1193                "SELECT * FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s AND step = %s",
 
 1194                array(
"integer", 
"integer", 
"integer",
"integer"),
 
 1195                array($active_id, 
$pass, $this->
getId(), $maxStep)
 
 1199                "SELECT * FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s",
 
 1200                array(
"integer", 
"integer", 
"integer"),
 
 1242        parent::afterSyncWithOriginal($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId);
 
 1244        $origImagePath = $this->
buildImagePath($origQuestionId, $origParentObjId);
 
 1245        $dupImagePath = $this->
buildImagePath($dupQuestionId, $dupParentObjId);
 
 1248        if (is_dir($dupImagePath)) {
 
Class for answers with a binary state indicator.
An exception for terminatinating execution or to throw for unit testing.
Abstract basic class which is to be extended by the concrete assessment question type classes.
getCurrentSolutionResultSet($active_id, $pass, $authorized=true)
Get a restulset for the current user solution for a this question by active_id and pass.
getSolutionValues($active_id, $pass=null, $authorized=true)
Loads solutions of a given user from the database an returns it.
static _getOriginalId($question_id)
Returns the original id of a question.
formatSAQuestion($a_q)
Format self assessment question.
setShuffle($shuffle=true)
Sets the shuffle flag.
setId($id=-1)
Sets the id of the assQuestion object.
setOriginalId($original_id)
setObjId($obj_id=0)
Set the object id of the container object.
getSolutionMaxPass($active_id)
Returns the maximum pass a users question solution.
saveQuestionDataToDb($original_id="")
getId()
Gets the id of the assQuestion object.
saveCurrentSolution($active_id, $pass, $value1, $value2, $authorized=true, $tstamp=null)
getObjId()
Get the object id of the container object.
setTitle($title="")
Sets the title string of the assQuestion object.
setOwner($owner="")
Sets the creator/owner ID of the assQuestion object.
setEstimatedWorkingTime($hour=0, $min=0, $sec=0)
Sets the estimated working time of a question from given hour, minute and second.
deductHintPointsFromReachedPoints(ilAssQuestionPreviewSession $previewSession, $reachedPoints)
buildImagePath($questionId, $parentObjectId)
static logAction($logtext="", $active_id="", $question_id="")
Logs an action into the Test&Assessment log.
getImagePath($question_id=null, $object_id=null)
Returns the image path for web accessable images of a question.
calculateResultsFromSolution($active_id, $pass=null, $obligationsEnabled=false)
Calculates the question results from a previously saved question solution.
updateCurrentSolution($solutionId, $value1, $value2, $authorized=true)
removeSolutionRecordById($solutionId)
static getNumExistingSolutionRecords($activeId, $pass, $questionId)
returns the number of existing solution records for the given test active / pass and given question i...
setAuthor($author="")
Sets the authors name of the assQuestion object.
getShuffle()
Gets the shuffle flag.
getTitle()
Gets the title string of the assQuestion object.
setPoints($a_points)
Sets the maximum available points for the question.
setComment($comment="")
Sets the comment string of the assQuestion object.
setNrOfTries($a_nr_of_tries)
getQuestion()
Gets the question string of the question object.
setAdditionalContentEditingMode($additinalContentEditingMode)
setter for additional content editing mode for this question
saveToDb($original_id="")
Saves the question to the database.
setQuestion($question="")
Sets the question string of the question object.
getImagePathWeb()
Returns the web image path for web accessable images of a question.
ensureNonNegativePoints($points)
Class for single choice questions.
getMaximumPoints()
Returns the maximum points, a learner can reach answering the question.
loadFromDb($question_id)
Loads a assSingleChoice object from a database.
deleteImage($image_filename)
Deletes an image file.
setOutputType($output_type=OUTPUT_ORDER)
Sets the output type of the assSingleChoice object.
getQuestionType()
Returns the question type of the question.
getAnswerCount()
Returns the number of answers.
toJSON()
Returns a JSON representation of the question.
getRTETextWithMediaObjects()
Collects all text in the question which could contain media objects which were created with the Rich ...
generateThumbForFile($path, $file)
syncImages()
Sync images of a MC question on synchronisation with the original question.
createRandomSolution($active_id, $pass)
setSpecificFeedbackSetting($a_feedback_setting)
Sets the feedback settings in effect for the question.
removeAnswerImage($index)
getOutputType()
Gets the single choice output type which is either OUTPUT_ORDER (=0) or OUTPUT_RANDOM (=1).
getSpecificFeedbackAllCorrectOptionLabel()
saveWorkingData($active_id, $pass=null, $authorized=true)
Saves the learners input of the question to the database.
isAnswered($active_id, $pass=null)
returns boolean wether the question is answered during test pass or not
addAnswer( $answertext="", $points=0.0, $order=0, $answerimage="")
Adds a possible answer for a single choice question.
getSpecificFeedbackSetting()
Gets the current feedback settings in effect for the question.
getOperators($expression)
Get all available operations for a specific question.
setMultilineAnswerSetting($a_setting=0)
getExpressionTypes()
Get all available expression types for a specific question.
getAvailableAnswerOptions($index=null)
If index is null, the function returns an array with all anwser options Else it returns the specific ...
afterSyncWithOriginal($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId)
{}
& getAnswers()
Returns a reference to the answers array.
isComplete()
Returns true, if a single choice question is complete for use.
deleteAnswer($index=0)
Deletes an answer with a given index.
calculateReachedPoints($active_id, $pass=null, $authorizedSolution=true, $returndetails=false)
Returns the points, a learner has reached answering the question.
savePreviewData(ilAssQuestionPreviewSession $previewSession)
static isObligationPossible($questionId)
returns boolean wether it is possible to set this question type as obligatory or not considering the ...
setImageFile($image_filename, $image_tempfilename="")
Sets the image file and uploads the image to the object's image directory.
copyObject($target_questionpool_id, $title="")
Copies an assSingleChoice object.
setExportDetailsXLS($worksheet, $startrow, $active_id, $pass)
{Creates an Excel worksheet for the detailed cumulated results of this question.object}
lmMigrateQuestionTypeSpecificContent(ilAssSelfAssessmentMigrator $migrator)
__construct( $title="", $comment="", $author="", $owner=-1, $question="", $output_type=OUTPUT_ORDER)
assSingleChoice constructor
flushAnswers()
Deletes all answers.
getMultilineAnswerSetting()
getAnswer($index=0)
Returns an answer with a given index.
calculateReachedPointsFromPreviewSession(ilAssQuestionPreviewSession $previewSession)
createNewOriginalFromThisDuplicate($targetParentId, $targetQuestionTitle="")
duplicateImages($question_id, $objectId=null)
duplicate($for_test=true, $title="", $author="", $owner="", $testObjId=null)
Duplicates an assSingleChoiceQuestion.
getAdditionalTableName()
Returns the name of the additional question data table in the database.
getAnswerTableName()
Returns the name of the answer table in the database.
getParticipantsSolution()
setParticipantsSolution($participantSolution)
static _getLogLanguage()
retrieve the log language for assessment logging
static _enabledAssessmentLogging()
check wether assessment logging is enabled or not
static _getPass($active_id)
Retrieves the actual pass of a given user for a given test.
static getOperatorsByExpression($expression)
static _replaceMediaObjectImageSrc($a_text, $a_direction=0, $nic=IL_INST_ID)
Replaces image source from mob image urls with the mob id or replaces mob id with the correct image s...
Base Exception for all Exceptions relating to Modules/Test.
Class ilUserQuestionResult.
static delDir($a_dir, $a_clean_only=false)
removes a dir and all its content (subdirs and files) recursively
static convertImage( $a_from, $a_to, $a_target_format="", $a_geometry="", $a_background_color="")
convert image
static rCopy($a_sdir, $a_tdir, $preserveTimeAttributes=false)
Copies content of a directory $a_sdir recursively to a directory $a_tdir.
static makeDirParents($a_dir)
Create a new directory and all parent directories.
Class iQuestionCondition.
const PercentageResultExpression
getUserQuestionResult($active_id, $pass)
Get the user solution for a question by active_id and the test pass.
const EmptyAnswerExpression
const NumberOfResultExpression
migrateToLmContent($content)
Interface ilObjAnswerScoringAdjustable.
saveAnswerSpecificDataToDb()
Saves the answer specific records into a question types answer table.
Interface ilObjQuestionScoringAdjustable.
saveAdditionalQuestionDataToDb()
Saves a record to the question types additional data table.