assTextQuestionImport Class Reference

Class for essay question imports. More...

Inheritance diagram for assTextQuestionImport:

Collaboration diagram for assTextQuestionImport:

Public Member Functions
	fromXML (&$item, $questionpool_id, &$tst_id, &$tst_object, &$question_counter, &$import_mapping)
	Creates a question from a QTI file. More...
Public Member Functions inherited from assQuestionImport
	__construct ($a_object)
	assQuestionImport constructor More...
	getFeedbackGeneric ($item)
	fromXML (&$item, $questionpool_id, &$tst_id, &$tst_object, &$question_counter, &$import_mapping)
	Creates a question from a QTI file. More...

Protected Member Functions
	fetchTermScoring ($item)
Protected Member Functions inherited from assQuestionImport
	fetchIndexFromFeedbackIdent ($feedbackIdent, $prefix='response_')
	getFeedbackAnswerSpecific (ilQTIItem $item, $prefix='response_')
	addGeneralMetadata (ilQTIItem $item)
	getQplImportArchivDirectory ()
	returns the full path to extracted qpl import archiv (qpl import dir + qpl archiv subdir) More...
	getTstImportArchivDirectory ()
	returns the full path to extracted tst import archiv (tst import dir + tst archiv subdir) More...
	processNonAbstractedImageReferences ($text, $sourceNic)
	fetchAdditionalContentEditingModeInformation ($qtiItem)
	fetches the "additional content editing mode" information from qti item and falls back to ADDITIONAL_CONTENT_EDITING_MODE_DEFAULT when no or invalid information is given More...

Additional Inherited Members
Data Fields inherited from assQuestionImport
	$object

Detailed Description

Class for essay question imports.

assTextQuestionImport is a class for essay question imports

Author

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

Version

$Id$

Definition at line 15 of file class.assTextQuestionImport.php.

Member Function Documentation

fetchTermScoring()

assTextQuestionImport::fetchTermScoring (   $item )

protected

Definition at line 219 of file class.assTextQuestionImport.php.

References array.

Referenced by fromXML().

    {
        $termScoringString = $item->getMetadataEntry('termscoring');
        
        if (!strlen($termScoringString)) {
            return array();
        }

        $termScoring = unserialize($termScoringString);

        if (is_array($termScoring)) {
            return $termScoring;
        }

        $termScoringString = base64_decode($termScoringString);
        $termScoring = unserialize($termScoringString);

        if (is_array($termScoring)) {
            return $termScoring;
        }
        
        return array();
    }

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fromXML()

assTextQuestionImport::fromXML	(	&	$item,
			$questionpool_id,
		&	$tst_id,
		&	$tst_object,
		&	$question_counter,
		&	$import_mapping
	)

Creates a question from a QTI file.

Receives parameters from a QTI parser and creates a valid ILIAS question object

Parameters

object	$item	The QTI item object
integer	$questionpool_id	The id of the parent questionpool
integer	$tst_id	The id of the parent test if the question is part of a test
object	$tst_object	A reference to the parent test object
integer	$question_counter	A reference to a question counter to count the questions of an imported question pool
array	$import_mapping	An array containing references to included ILIAS objects public

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

References $_SESSION, $GLOBALS, $i, $ilUser, $index, $m, $response, ilRTE\_replaceMediaObjectImageSrc(), ilObjMediaObject\_saveTempFileAsMediaObject(), ilObjMediaObject\_saveUsage(), assQuestionImport\addGeneralMetadata(), array, assQuestionImport\fetchAdditionalContentEditingModeInformation(), assQuestionImport\fetchIndexFromFeedbackIdent(), fetchTermScoring(), assQuestionImport\getFeedbackAnswerSpecific(), assQuestionImport\getQplImportArchivDirectory(), assQuestionImport\getTstImportArchivDirectory(), and object.

    {
        global $ilUser;

        // empty session variable for imported xhtml mobs
        unset($_SESSION["import_mob_xhtml"]);
        $presentation = $item->getPresentation();
        $duration = $item->getDuration();
        $now = getdate();
        $maxchars = 0;
        $maxpoints = 0;
        $created = sprintf("%04d%02d%02d%02d%02d%02d", $now['year'], $now['mon'], $now['mday'], $now['hours'], $now['minutes'], $now['seconds']);
        foreach ($presentation->order as $entry) {
            switch ($entry["type"]) {
                case "response":
                    $response = $presentation->response[$entry["index"]];
                    $rendertype = $response->getRenderType();
                    switch (strtolower(get_class($rendertype))) {
                        case "ilqtirenderfib":
                            $maxchars = $rendertype->getMaxchars();
                            break;
                    }
                    break;
            }
        }

        $feedbacksgeneric = array();
        foreach ($item->resprocessing as $resprocessing) {
            $outcomes = $resprocessing->getOutcomes();
            foreach ($outcomes->decvar as $decvar) {
                $maxpoints = $decvar->getMaxvalue();
            }

            foreach ($resprocessing->respcondition as $respcondition) {
                foreach ($respcondition->displayfeedback as $feedbackpointer) {
                    if (strlen($feedbackpointer->getLinkrefid())) {
                        foreach ($item->itemfeedback as $ifb) {
                            if (strcmp($ifb->getIdent(), "response_allcorrect") == 0) {
                                // found a feedback for the identifier
                                if (count($ifb->material)) {
                                    foreach ($ifb->material as $material) {
                                        $feedbacksgeneric[1] = $material;
                                    }
                                }
                                if ((count($ifb->flow_mat) > 0)) {
                                    foreach ($ifb->flow_mat as $fmat) {
                                        if (count($fmat->material)) {
                                            foreach ($fmat->material as $material) {
                                                $feedbacksgeneric[1] = $material;
                                            }
                                        }
                                    }
                                }
                            } elseif (strcmp($ifb->getIdent(), "response_onenotcorrect") == 0) {
                                // found a feedback for the identifier
                                if (count($ifb->material)) {
                                    foreach ($ifb->material as $material) {
                                        $feedbacksgeneric[0] = $material;
                                    }
                                }
                                if ((count($ifb->flow_mat) > 0)) {
                                    foreach ($ifb->flow_mat as $fmat) {
                                        if (count($fmat->material)) {
                                            foreach ($fmat->material as $material) {
                                                $feedbacksgeneric[0] = $material;
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        $this->addGeneralMetadata($item);
        $this->object->setTitle($item->getTitle());
        $this->object->setNrOfTries($item->getMaxattempts());
        $this->object->setComment($item->getComment());
        $this->object->setAuthor($item->getAuthor());
        $this->object->setOwner($ilUser->getId());
        $this->object->setQuestion($this->object->QTIMaterialToString($item->getQuestiontext()));
        $this->object->setObjId($questionpool_id);
        $this->object->setEstimatedWorkingTime($duration["h"], $duration["m"], $duration["s"]);
        $this->object->setPoints($maxpoints);
        $this->object->setMaxNumOfChars($maxchars);
        $textrating = $item->getMetadataEntry("textrating");
        if (strlen($textrating)) {
            $this->object->setTextRating($textrating);
        }
        $this->object->matchcondition = (strlen($item->getMetadataEntry('matchcondition'))) ? $item->getMetadataEntry('matchcondition') : 0;
        
        require_once './Modules/TestQuestionPool/classes/class.assAnswerMultipleResponseImage.php';
        $no_keywords_found=true;
        
        $termscoring = $this->fetchTermScoring($item);
        for ($i = 0; $i < count($termscoring); $i++) {
            $this->object->addAnswer($termscoring[$i]->getAnswertext(), $termscoring[$i]->getPoints());
            $no_keywords_found=false;
        }
        if (count($termscoring)) {
            $this->object->setKeywordRelation($item->getMetadataEntry('termrelation'));
        }
        
        $keywords = $item->getMetadataEntry("keywords");
        if (strlen($keywords)) {
            #$this->object->setKeywords($keywords);
            $answers = explode(' ', $keywords);
            foreach ($answers as $answer) {
                $this->object->addAnswer($answer, 0);
            }
            $this->object->setKeywordRelation('one');
            $no_keywords_found=false;
        }
        if ($no_keywords_found) {
            $this->object->setKeywordRelation('non');
        }
            
        // additional content editing mode information
        $this->object->setAdditionalContentEditingMode(
            $this->fetchAdditionalContentEditingModeInformation($item)
        );
        $this->object->saveToDb();
        if (count($item->suggested_solutions)) {
            foreach ($item->suggested_solutions as $suggested_solution) {
                $this->object->setSuggestedSolution($suggested_solution["solution"]->getContent(), $suggested_solution["gap_index"], true);
            }
            $this->object->saveToDb();
        }
        foreach ($feedbacksgeneric as $correctness => $material) {
            $m = $this->object->QTIMaterialToString($material);
            $feedbacksgeneric[$correctness] = $m;
        }
        // handle the import of media objects in XHTML code
        $questiontext = $this->object->getQuestion();
        
        $feedbacks = $this->getFeedbackAnswerSpecific($item);
        
        if (is_array($_SESSION["import_mob_xhtml"])) {
            include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
            include_once "./Services/RTE/classes/class.ilRTE.php";
            foreach ($_SESSION["import_mob_xhtml"] as $mob) {
                if ($tst_id > 0) {
                    $importfile = $this->getTstImportArchivDirectory() . '/' . $mob["uri"];
                } else {
                    $importfile = $this->getQplImportArchivDirectory() . '/' . $mob["uri"];
                }
                
                $GLOBALS['ilLog']->write(__METHOD__ . ': import mob from dir: ' . $importfile);
                
                $media_object =&ilObjMediaObject::_saveTempFileAsMediaObject(basename($importfile), $importfile, false);
                ilObjMediaObject::_saveUsage($media_object->getId(), "qpl:html", $this->object->getId());
                $questiontext = str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $questiontext);
                foreach ($feedbacks as $ident => $material) {
                    $feedbacks[$ident] = str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $material);
                }
                foreach ($feedbacksgeneric as $correctness => $material) {
                    $feedbacksgeneric[$correctness] = str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $material);
                }
            }
        }
        $this->object->setQuestion(ilRTE::_replaceMediaObjectImageSrc($questiontext, 1));
        foreach ($feedbacks as $ident => $material) {
            $index = $this->fetchIndexFromFeedbackIdent($ident);
            
            $this->object->feedbackOBJ->importSpecificAnswerFeedback(
                $this->object->getId(),
                $index,
                ilRTE::_replaceMediaObjectImageSrc($material, 1)
            );
        }
        foreach ($feedbacksgeneric as $correctness => $material) {
            $this->object->feedbackOBJ->importGenericFeedback(
                $this->object->getId(),
                $correctness,
                ilRTE::_replaceMediaObjectImageSrc($material, 1)
            );
        }
        $this->object->saveToDb();
        if ($tst_id > 0) {
            $q_1_id = $this->object->getId();
            $question_id = $this->object->duplicate(true, null, null, null, $tst_id);
            $tst_object->questions[$question_counter++] = $question_id;
            $import_mapping[$item->getIdent()] = array("pool" => $q_1_id, "test" => $question_id);
        } else {
            $import_mapping[$item->getIdent()] = array("pool" => $this->object->getId(), "test" => 0);
        }
    }

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

• Modules/TestQuestionPool/classes/import/qti12/class.assTextQuestionImport.php