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';
 
  117                $this->thumb_size = 150;
 
  118                $this->answers = array();
 
  120                $this->selectionLimit = 
null;
 
  121                $this->feedback_setting = 0;
 
  148                if (strlen($this->title) and ($this->author) and ($this->question) and (count($this->answers)) and ($this->
getMaximumPoints() > 0))
 
  169                $this->ensureNoInvalidObligation($this->
getId());
 
  182                                if (strlen($answer->getImage()))
 
  210                        switch (strtoupper($path_info[
'extension']))
 
  243                        $this->
setId($question_id);
 
  252                        include_once(
"./Services/RTE/classes/class.ilRTE.php");
 
  258                        $this->isSingleline = (
$data[
'allow_images']) ? 
false : 
true;
 
  259                        $this->lastChange = 
$data[
'tstamp'];
 
  261                        $this->feedback_setting = 
$data[
'feedback_setting'];
 
  272                $result = 
$ilDB->queryF(
"SELECT * FROM qpl_a_mc WHERE question_fi = %s ORDER BY aorder ASC",
 
  276                include_once 
"./Modules/TestQuestionPool/classes/class.assAnswerMultipleResponseImage.php";
 
  282                                if (!@file_exists($imagefilename))
 
  284                                        $data[
"imagefile"] = 
"";
 
  286                                include_once(
"./Services/RTE/classes/class.ilRTE.php");
 
  292                parent::loadFromDb($question_id);
 
  306                $this_id = $this->
getId();
 
  310                include_once (
"./Modules/TestQuestionPool/classes/class.assQuestion.php");
 
  314                if( (
int)$testObjId > 0 )
 
  316                        $clone->setObjId($testObjId);
 
  343                $clone->copyPageOfQuestion($this_id);
 
  345                $clone->copyXHTMLMediaObjectsOfQuestion($this_id);
 
  347                $clone->duplicateImages($this_id, $thisObjId);
 
  349                $clone->onDuplicate($thisObjId, $this_id, $clone->getObjId(), $clone->getId());
 
  366                include_once (
"./Modules/TestQuestionPool/classes/class.assQuestion.php");
 
  369                $source_questionpool_id = $this->
getObjId();
 
  370                $clone->setObjId($target_questionpool_id);
 
  381                $clone->copyImages(
$original_id, $source_questionpool_id);
 
  383                $clone->onCopy($source_questionpool_id, 
$original_id, $clone->getObjId(), $clone->getId());
 
  396                include_once (
"./Modules/TestQuestionPool/classes/class.assQuestion.php");
 
  399                $sourceParentId = $this->
getObjId();
 
  405                $clone->setObjId($targetParentId);
 
  407                if ($targetQuestionTitle)
 
  409                        $clone->setTitle($targetQuestionTitle);
 
  414                $clone->copyPageOfQuestion($sourceQuestionId);
 
  416                $clone->copyXHTMLMediaObjectsOfQuestion($sourceQuestionId);
 
  418                $clone->copyImages($sourceQuestionId, $sourceParentId);
 
  420                $clone->onCopy($sourceParentId, $sourceQuestionId, $clone->getObjId(), $clone->getId());
 
  464                $points_unchecked = 0.0,
 
  469                include_once 
"./Modules/TestQuestionPool/classes/class.assAnswerMultipleResponseImage.php";
 
  470                if (array_key_exists($order, $this->answers))
 
  474                        $newchoices = array();
 
  475                        for ($i = 0; $i < $order; $i++)
 
  477                                array_push($newchoices, $this->answers[$i]);
 
  479                        array_push($newchoices, $answer);
 
  480                        for ($i = $order; $i < count($this->answers); $i++)
 
  486                        $this->answers = $newchoices;
 
  492                        array_push($this->answers, $answer);
 
  504                return count($this->answers);
 
  517                if ($index < 0) 
return NULL;
 
  518                if (count($this->answers) < 1) 
return NULL;
 
  519                if ($index >= count($this->answers)) 
return NULL;
 
  521                return $this->answers[$index];
 
  533                if ($index < 0) 
return;
 
  534                if (count($this->answers) < 1) 
return;
 
  535                if ($index >= count($this->answers)) 
return;
 
  536                $answer = $this->answers[$index];
 
  537                if (strlen($answer->getImage())) $this->
deleteImage($answer->getImage());
 
  538                unset($this->answers[$index]);
 
  539                $this->answers = array_values($this->answers);
 
  540                for ($i = 0; $i < count($this->answers); $i++)
 
  542                        if ($this->answers[$i]->getOrder() > $index)
 
  544                                $this->answers[$i]->setOrder($i);
 
  556                $this->answers = array();
 
  568                foreach ($this->answers as $key => $value) 
 
  570                        if ($value->getPoints() > $value->getPointsUnchecked())
 
  572                                $allpoints += $value->getPoints();
 
  576                                $allpoints += $value->getPointsUnchecked();
 
  597                        throw new ilTestException(
'return details not implemented for '.__METHOD__);
 
  602                $found_values = array();
 
  610                        if (strcmp(
$data[
"value1"], 
"") != 0)
 
  612                                array_push($found_values, 
$data[
"value1"]);
 
  629                                $failureMsg = 
sprintf($this->lng->txt(
'ass_mc_sel_lim_exhausted_hint'),
 
  630                                        $this->getSelectionLimit(), $this->getAnswerCount()
 
  656                        include_once 
"./Modules/Test/classes/class.ilObjTest.php";
 
  662                $this->
getProcessLocker()->executeUserSolutionUpdateLockOperation(
function() use (&$entered_values, $active_id, 
$pass, $authorized) {
 
  668                        foreach($solutionSubmit as $value)
 
  678                        if (!empty(
$_POST[
'mc_none_above']))
 
  688                        include_once (
"./Modules/Test/classes/class.ilObjAssessmentFolder.php");
 
  696                        include_once (
"./Modules/Test/classes/class.ilObjAssessmentFolder.php");
 
  715                                                         ) . 
" WHERE question_fi = %s",
 
  717                                                                         array( $this->
getId() )
 
  722                                $oldthumbsize = 
$data[
'thumb_size'];
 
  726                if (!$this->isSingleline)
 
  734                                'shuffle' => array(
'text', $this->
getShuffle()),
 
  735                                'allow_images' => array(
'text', $this->isSingleline ? 0 : 1),
 
  741                                'question_fi' => array(
'integer', $this->
getId())
 
  750                $ilDB->manipulateF( 
"DELETE FROM qpl_a_mc WHERE question_fi = %s",
 
  752                                                        array( $this->
getId() )
 
  755                foreach ($this->answers as $key => $value)
 
  757                        $answer_obj = $this->answers[$key];
 
  758                        $next_id    = 
$ilDB->nextId( 
'qpl_a_mc' );
 
  759                        $ilDB->manipulateF( 
"INSERT INTO qpl_a_mc (answer_id, question_fi, answertext, points, points_unchecked, aorder, imagefile, tstamp) VALUES (%s, %s, %s, %s, %s, %s, %s, %s)",
 
  760                                                                array( 
'integer', 
'integer', 
'text', 
'float', 
'float', 
'integer', 
'text', 
'integer' ),
 
  765                                                                        $answer_obj->getPoints(),
 
  766                                                                        $answer_obj->getPointsUnchecked(),
 
  767                                                                        $answer_obj->getOrder(),
 
  768                                                                        $answer_obj->getImage(),
 
  789                        parent::syncWithOriginal();
 
  800                return "assMultipleChoice";
 
  830        public function setImageFile($image_filename, $image_tempfilename = 
"")
 
  833                if (!empty($image_tempfilename))
 
  835                        $image_filename = str_replace(
" ", 
"_", $image_filename);
 
  837                        if (!file_exists($imagepath))
 
  847                                include_once 
"./Services/MediaObjects/classes/class.ilObjMediaObject.php";
 
  849                                if (!preg_match(
"/^image/", $mimetype))
 
  851                                        unlink($imagepath . $image_filename);
 
  875                @unlink($imagepath . $image_filename);
 
  876                $thumbpath = $imagepath . $this->
getThumbPrefix() . $image_filename;
 
  880        function duplicateImages($question_id, $objectId = 
null)
 
  886                $imagepath_original = str_replace(
"/$this->id/images", 
"/$question_id/images", $imagepath);
 
  888                if( (
int)$objectId > 0 )
 
  890                        $imagepath_original = str_replace(
"/$this->obj_id/", 
"/$objectId/", $imagepath_original);
 
  893                foreach ($this->answers as $answer)
 
  898                                if(!file_exists($imagepath))
 
  903                                if(file_exists($imagepath_original . 
$filename))
 
  908                                                        "Could not clone source image '%s' to '%s' (srcQuestionId: %s|tgtQuestionId: %s|srcParentObjId: %s|tgtParentObjId: %s)",
 
  910                                                        $question_id, $this->
id, $objectId, $this->obj_id
 
  915                                if(file_exists($imagepath_original. $this->getThumbPrefix(). 
$filename))
 
  920                                                        "Could not clone thumbnail source image '%s' to '%s' (srcQuestionId: %s|tgtQuestionId: %s|srcParentObjId: %s|tgtParentObjId: %s)",
 
  922                                                        $question_id, $this->
id, $objectId, $this->obj_id
 
  934                $imagepath_original = str_replace(
"/$this->id/images", 
"/$question_id/images", $imagepath);
 
  935                $imagepath_original = str_replace(
"/$this->obj_id/", 
"/$source_questionpool/", $imagepath_original);
 
  936                foreach ($this->answers as $answer)
 
  941                                if (!file_exists($imagepath))
 
  947                                        $ilLog->write(
"image could not be duplicated!!!!", 
$ilLog->ERROR);
 
  948                                        $ilLog->write(
"object: " . print_r($this, TRUE), 
$ilLog->ERROR);
 
  950                                if (@file_exists($imagepath_original. $this->getThumbPrefix(). 
$filename))
 
  954                                                $ilLog->write(
"image thumbnail could not be duplicated!!!!", 
$ilLog->ERROR);
 
  955                                                $ilLog->write(
"object: " . print_r($this, TRUE), 
$ilLog->ERROR);
 
  972                $originalObjId = parent::lookupParentObjId($this->
getOriginalId());
 
  973                $imagepath_original = $this->
getImagePath($question_id, $originalObjId);
 
  976                foreach ($this->answers as $answer)
 
  981                                if (@file_exists($imagepath . 
$filename))
 
  983                                        if (!file_exists($imagepath))
 
  987                                        if (!file_exists($imagepath_original))
 
  993                                                $ilLog->write(
"image could not be duplicated!!!!", 
$ilLog->ERROR);
 
  994                                                $ilLog->write(
"object: " . print_r($this, TRUE), 
$ilLog->ERROR);
 
  997                                if (@file_exists($imagepath . $this->
getThumbPrefix() . $filename))
 
 1001                                                $ilLog->write(
"image thumbnail could not be duplicated!!!!", 
$ilLog->ERROR);
 
 1002                                                $ilLog->write(
"object: " . print_r($this, TRUE), 
$ilLog->ERROR);
 
 1014                $text = parent::getRTETextWithMediaObjects();
 
 1015                foreach ($this->answers as $index => $answer)
 
 1017                        $text .= $this->feedbackOBJ->getSpecificAnswerFeedbackContent($this->
getId(), $index);
 
 1018                        $answer_obj = $this->answers[$index];
 
 1019                        $text .= $answer_obj->getAnswertext();
 
 1037                parent::setExportDetailsXLS(
$worksheet, $startrow, $active_id, 
$pass);
 
 1044                        $worksheet->setCell($startrow + $i, 0, $answer->getAnswertext());
 
 1047                        foreach ($solution as $solutionvalue)
 
 1049                                if (
$id == $solutionvalue[
"value1"])
 
 1065                return $startrow + $i + 1;
 
 1075                $this->thumb_size = $a_size;
 
 1095                require_once 
'./Services/RTE/classes/class.ilRTE.php';
 
 1105                        'onenotcorrect' => $this->
formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), 
false)),
 
 1106                        'allcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), 
true))
 
 1111                foreach ($this->
getAnswers() as $key => $answer_obj)
 
 1113                        if((
string) $answer_obj->getImage())
 
 1118                                "answertext" => (
string) $this->
formatSAQuestion($answer_obj->getAnswertext()),
 
 1119                                "points_checked" => (
float) $answer_obj->getPointsChecked(),
 
 1120                                "points_unchecked" => (
float) $answer_obj->getPointsUnchecked(),
 
 1121                                "order" => (
int) $answer_obj->getOrder(),
 
 1122                                "image" => (
string) $answer_obj->getImage(),
 
 1123                                "feedback" => $this->formatSAQuestion(
 
 1124                                                $this->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation($this->getId(), $key)
 
 1144                $answer = $this->answers[$index];
 
 1145                if (is_object($answer))
 
 1148                        $answer->setImage(
'');
 
 1156                $multilineAnswerSetting = 
$ilUser->getPref(
"tst_multiline_answers");
 
 1157                if ($multilineAnswerSetting != 1)
 
 1159                        $multilineAnswerSetting = 0;
 
 1161                return $multilineAnswerSetting;
 
 1167                $ilUser->writePref(
"tst_multiline_answers", $a_setting);
 
 1181                $this->feedback_setting = $a_feedback_setting;
 
 1195                if ($this->feedback_setting)
 
 1207                return 'feedback_correct_sc_mc';
 
 1225                return $numExistingSolutionRecords > 0;
 
 1245                        SELECT SUM(points) points_for_checked_answers 
 1247                        WHERE question_fi = %s AND points > 0 
 1254                return $row[
'points_for_checked_answers'] > 0;
 
 1265        public function ensureNoInvalidObligation($questionId)
 
 1271                        SELECT          SUM(qpl_a_mc.points) points_for_checked_answers, 
 1274                        FROM            tst_test_question 
 1277                        ON                      qpl_a_mc.question_fi = tst_test_question.question_fi 
 1279                        WHERE           tst_test_question.question_fi = %s 
 1280                        AND                     tst_test_question.obligatory = 1 
 1282                        GROUP BY        test_question_id 
 1287                $updateTestQuestionIds = array();
 
 1291                        if( 
$row[
'points_for_checked_answers'] <= 0 )
 
 1293                                $updateTestQuestionIds[] = 
$row[
'test_question_id'];
 
 1297                if( count($updateTestQuestionIds) )
 
 1299                        $test_question_id__IN__updateTestQuestionIds = 
$ilDB->in(
 
 1300                                        'test_question_id', $updateTestQuestionIds, 
false, 
'integer' 
 1304                                UPDATE tst_test_question 
 1306                                WHERE $test_question_id__IN__updateTestQuestionIds 
 1318                $solutionSubmit = array();
 
 1319                foreach(
$_POST as $key => $value)
 
 1321                        if(preg_match(
"/^multiple_choice_result_(\d+)/", $key))
 
 1325                                        $solutionSubmit[] = $value;
 
 1329                return $solutionSubmit;
 
 1340                foreach($this->answers as $key => $answer)
 
 1342                        if(in_array($key, $found_values))
 
 1344                                $points += $answer->getPoints();
 
 1347                                $points += $answer->getPointsUnchecked();
 
 1352                        include_once 
"./Modules/Test/classes/class.ilObjTest.php";
 
 1354                        if(($mc_scoring == 0) && (count($found_values) == 0))
 
 1372                require_once 
"./Modules/TestQuestionPool/classes/class.ilOperatorsExpressionMapping.php";
 
 1404                $maxStep = $this->lookupMaxStep($active_id, 
$pass);
 
 1406                if( $maxStep !== 
null )
 
 1409                                "SELECT value1+1 as value1 FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s AND step = %s",
 
 1410                                array(
"integer", 
"integer", 
"integer",
"integer"),
 
 1411                                array($active_id, 
$pass, $this->
getId(), $maxStep)
 
 1417                                "SELECT value1+1 as value1 FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s",
 
 1418                                array(
"integer", 
"integer", 
"integer"),
 
sprintf('%.4f', $callTime)
ASS_AnswerBinaryStateImage is a class for answers with a binary state indicator (checked/unchecked,...
An exception for terminatinating execution or to throw for unit testing.
Class for multiple choice tests.
syncImages()
Sync images of a MC question on synchronisation with the original question.
toJSON()
Returns a JSON representation of the question.
getSpecificFeedbackSetting()
Gets the current feedback settings in effect for the question.
setExportDetailsXLS($worksheet, $startrow, $active_id, $pass)
{Creates an Excel worksheet for the detailed cumulated results of this question.object}
copyImages($question_id, $source_questionpool)
saveToDb($original_id="")
Saves a assMultipleChoice object to a database.
loadFromDb($question_id)
Loads a assMultipleChoice object from a database.
duplicate($for_test=true, $title="", $author="", $owner="", $testObjId=null)
Duplicates an assMultipleChoiceQuestion.
getMaximumPoints()
Returns the maximum points, a learner can reach answering the question.
getAnswerCount()
Returns the number of answers.
getAnswerTableName()
Returns the name of the answer table in the database.
reworkWorkingData($active_id, $pass, $obligationsAnswered, $authorized)
{Reworks the allready saved working data if neccessary.}
isAnswered($active_id, $pass=NULL)
returns boolean wether the question is answered during test pass or not
getAdditionalTableName()
Returns the name of the additional question data table in the database.
addAnswer( $answertext="", $points=0.0, $points_unchecked=0.0, $order=0, $answerimage="")
Adds a possible answer for a multiple choice question.
getSpecificFeedbackAllCorrectOptionLabel()
setSpecificFeedbackSetting($a_feedback_setting)
Sets the feedback settings in effect for the question.
removeAnswerImage($index)
getAvailableAnswerOptions($index=null)
If index is null, the function returns an array with all anwser options Else it returns the specific ...
setSelectionLimit($selectionLimit)
calculateReachedPointsForSolution($found_values, $active_id=0)
getOutputType()
Gets the multiple choice output type which is either OUTPUT_ORDER (=0) or OUTPUT_RANDOM (=1).
setLastChange($lastChange)
copyObject($target_questionpool_id, $title="")
Copies an assMultipleChoice object.
createNewOriginalFromThisDuplicate($targetParentId, $targetQuestionTitle="")
getMultilineAnswerSetting()
lmMigrateQuestionTypeSpecificContent(ilAssSelfAssessmentMigrator $migrator)
setMultilineAnswerSetting($a_setting=0)
isComplete()
Returns true, if a multiple choice question is complete for use.
flushAnswers()
Deletes all answers.
deleteAnswer($index=0)
Deletes an answer with a given index.
getQuestionType()
Returns the question type of the question.
deleteImage($image_filename)
Deletes an image file.
setImageFile($image_filename, $image_tempfilename="")
Sets the image file and uploads the image to the object's image directory.
__construct( $title="", $comment="", $author="", $owner=-1, $question="", $output_type=OUTPUT_ORDER)
assMultipleChoice constructor
setIsSingleline($isSingleline)
setOutputType($output_type=OUTPUT_ORDER)
Sets the output type of the assMultipleChoice object.
getAnswer($index=0)
Returns an answer with a given index.
calculateReachedPoints($active_id, $pass=NULL, $authorizedSolution=true, $returndetails=FALSE)
Returns the points, a learner has reached answering the question.
generateThumbForFile($path, $file)
getExpressionTypes()
Get all available expression types for a specific question.
getRTETextWithMediaObjects()
Collects all text in the question which could contain media objects which were created with the Rich ...
rebuildThumbnails()
Rebuild the thumbnail images with a new thumbnail size.
& getAnswers()
Returns a reference to the answers array.
getOperators($expression)
Get all available operations for a specific question.
Abstract basic class which is to be extended by the concrete assessment question type classes.
getCurrentSolutionResultSet($active_id, $pass, $authorized=true)
Get a restulset for the current user solution for a this question by active_id and pass.
static _getOriginalId($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($obj_id=0)
Set the object id of the container object.
static isObligationPossible($questionId)
returns boolean wether it is possible to set this question type as obligatory or not considering the ...
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, $sec=0)
Sets the estimated working time of a question from given hour, minute and second.
static logAction($logtext="", $active_id="", $question_id="")
Logs an action into the Test&Assessment log.
getImagePath($question_id=null, $object_id=null)
Returns the image path for web accessable images of a question.
removeCurrentSolution($active_id, $pass, $authorized=true)
static getNumExistingSolutionRecords($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.
saveWorkingData($active_id, $pass=NULL, $authorized=true)
Saves the learners input of the question to the database.
getSolutionValues($active_id, $pass=NULL, $authorized=true)
Loads solutions of a given user from the database an returns it.
getShuffle()
Gets the shuffle flag.
getTitle()
Gets the title string of the assQuestion object.
setPoints($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($additinalContentEditingMode)
setter for additional content editing mode for this question
setQuestion($question="")
Sets the question string of the question object.
getImagePathWeb()
Returns the web image path for web accessable images of a question.
static _getLogLanguage()
retrieve the log language for assessment logging
static _enabledAssessmentLogging()
check wether assessment logging is enabled or not
static _getPass($active_id)
Retrieves the actual pass of a given user for a given test.
static _getMCScoring($active_id)
Gets the scoring type for multiple choice questions.
static getOperatorsByExpression($expression)
static _replaceMediaObjectImageSrc($a_text, $a_direction=0, $nic=IL_INST_ID)
Replaces image source from mob image urls with the mob id or replaces mob id with the correct image s...
Base Exception for all Exceptions relating to Modules/Test.
Class ilUserQuestionResult.
static moveUploadedFile($a_file, $a_name, $a_target, $a_raise_errors=true, $a_mode="move_uploaded")
move uploaded file
static delDir($a_dir, $a_clean_only=false)
removes a dir and all its content (subdirs and files) recursively
static sendFailure($a_info="", $a_keep=false)
Send Failure Message to Screen.
static convertImage($a_from, $a_to, $a_target_format="", $a_geometry="", $a_background_color="")
convert image
static makeDirParents($a_dir)
Create a new directory and all parent directories.
Class iQuestionCondition.
const PercentageResultExpression
getUserQuestionResult($active_id, $pass)
Get the user solution for a question by active_id and the test pass.
const EmptyAnswerExpression
const ExclusiveResultExpression
const NumberOfResultExpression
migrateToLmContent($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.
if(!file_exists("$old.txt")) if( $old===$new) if(file_exists("$new.txt")) $file