class.assMatchingQuestionImport.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once "./Modules/TestQuestionPool/classes/import/qti12/class.assQuestionImport.php";

class assMatchingQuestionImport extends assQuestionImport
{
        public function saveImage($data, $filename)
        {
                $image =& base64_decode($data);
                $imagepath = $this->object->getImagePath();
                include_once "./Services/Utilities/classes/class.ilUtil.php";
                if (!file_exists($imagepath))
                {
                        ilUtil::makeDirParents($imagepath);
                }
                $imagepath .=  $filename;
                $fh = fopen($imagepath, "wb");
                if ($fh == false)
                {
                }
                else
                {
                        $imagefile = fwrite($fh, $image);
                        fclose($fh);
                }
        }
        
        function fromXML(&$item, $questionpool_id, &$tst_id, &$tst_object, &$question_counter, &$import_mapping)
        {
                global $ilUser;

                // empty session variable for imported xhtml mobs
                unset($_SESSION["import_mob_xhtml"]);
                $presentation = $item->getPresentation(); 
                $duration = $item->getDuration();
                $shuffle = 0;
                $now = getdate();
                $created = sprintf("%04d%02d%02d%02d%02d%02d", $now['year'], $now['mon'], $now['mday'], $now['hours'], $now['minutes'], $now['seconds']);
                $definitions = array();
                $terms = array();
                $foundimage = FALSE;
                foreach ($presentation->order as $entry)
                {
                        switch ($entry["type"])
                        {
                                case "response":
                                        $response = $presentation->response[$entry["index"]];
                                        $rendertype = $response->getRenderType();
                                        switch (strtolower(get_class($rendertype)))
                                        {
                                                case "ilqtirenderchoice":
                                                        $shuffle = $rendertype->getShuffle();
                                                        $answerorder = 0;
                                                        foreach ($rendertype->response_labels as $response_label)
                                                        {
                                                                $ident = $response_label->getIdent();
                                                                $answertext = "";
                                                                $answerimage = array();
                                                                foreach ($response_label->material as $mat)
                                                                {
                                                                        for ($m = 0; $m < $mat->getMaterialCount(); $m++)
                                                                        {
                                                                                $foundmat = $mat->getMaterial($m);
                                                                                if (strcmp($foundmat["type"], "mattext") == 0)
                                                                                {
                                                                                        $answertext .= $foundmat["material"]->getContent();
                                                                                }
                                                                                if (strcmp($foundmat["type"], "matimage") == 0)
                                                                                {
                                                                                        $foundimage = TRUE;
                                                                                        $answerimage = array(
                                                                                                "imagetype" => $foundmat["material"]->getImageType(),
                                                                                                "label" => $foundmat["material"]->getLabel(),
                                                                                                "content" => $foundmat["material"]->getContent()
                                                                                        );
                                                                                }
                                                                        }
                                                                }
                                                                if (($response_label->getMatchMax() == 1) && (strlen($response_label->getMatchGroup())))
                                                                {
                                                                        $definitions[$ident] = array(
                                                                                "answertext" => $answertext,
                                                                                "answerimage" => $answerimage,
                                                                                "points" => 0,
                                                                                "answerorder" => $ident,
                                                                                "action" => ""
                                                                        );
                                                                }
                                                                else
                                                                {
                                                                        $terms[$ident] = array(
                                                                                "term" => $answertext,
                                                                                "answerimage" => $answerimage,
                                                                                "points" => 0,
                                                                                "ident" => $ident,
                                                                                "action" => ""
                                                                        );
                                                                }
                                                        }
                                                        break;
                                        }
                                        break;
                        }
                }
                $responses = array();
                $feedbacksgeneric = array();
                foreach ($item->resprocessing as $resprocessing)
                {
                        foreach ($resprocessing->respcondition as $respcondition)
                        {
                                $subset = array();
                                $correctness = 1;
                                $conditionvar = $respcondition->getConditionvar();
                                foreach ($conditionvar->order as $order)
                                {
                                        switch ($order["field"])
                                        {
                                                case "varsubset":
                                                        $subset = explode(",", $conditionvar->varsubset[$order["index"]]->getContent());
                                                        break;
                                        }
                                }
                                foreach ($respcondition->setvar as $setvar)
                                {
                                        array_push($responses, array("subset" => $subset, "action" => $setvar->getAction(), "points" => $setvar->getContent())); 
                                }

                                if (count($respcondition->displayfeedback))
                                {
                                        foreach ($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] = $material;
                                                                                                }
                                                                                        }
                                                                                }
                                                                        }
                                                                } 
                                                                else if (strcmp($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;
                                                                                                }
                                                                                        }
                                                                                }
                                                                        } 
                                                                }
                                                        }
                                                }
                                        }
                                }

                        }
                }
                
                include_once "./Modules/TestQuestionPool/classes/class.assAnswerMatchingTerm.php";
                include_once "./Modules/TestQuestionPool/classes/class.assAnswerMatchingDefinition.php";
                include_once "./Modules/TestQuestionPool/classes/class.assAnswerMatchingPair.php";
                $this->object->createNewQuestion();
                $this->addGeneralMetadata($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"]);
                $extended_shuffle = $item->getMetadataEntry("shuffle");
                $this->object->setThumbGeometry($item->getMetadataEntry("thumb_geometry"));

                if( strlen($item->getMetadataEntry('matching_mode')) )
                {
                        $this->object->setMatchingMode($item->getMetadataEntry('matching_mode'));
                }
                else
                {
                        $this->object->setMatchingMode(assMatchingQuestion::MATCHING_MODE_1_ON_1);
                }

                // save images
                foreach ($terms as $term)
                {
                        if (count($term['answerimage'])) $this->saveImage($term['answerimage']['content'], $term['answerimage']['label']);
                }
                foreach ($definitions as $definition)
                {
                        if (count($definition['answerimage'])) $this->saveImage($definition['answerimage']['content'], $definition['answerimage']['label']);
                }

                foreach ($terms as $termindex => $term)
                {
                        $this->object->addTerm(new assAnswerMatchingTerm($term["term"], $term['answerimage']['label'], $term["ident"]));
                }
                foreach ($definitions as $definitionindex => $definition)
                {
                        $this->object->addDefinition(new assAnswerMatchingDefinition($definition["answertext"], $definition['answerimage']['label'], $definition["answerorder"]));
                }

                if (strlen($extended_shuffle) > 0)
                {
                        $shuffle = $extended_shuffle;
                }
                $this->object->setShuffle($shuffle);

                foreach ($responses as $response)
                {
                        $subset = $response["subset"];
                        foreach ($subset as $ident)
                        {
                                if (array_key_exists($ident, $definitions))
                                {
                                        $definition = $definitions[$ident];
                                }
                                if (array_key_exists($ident, $terms))
                                {
                                        $term = $terms[$ident];
                                }
                        }
                        $this->object->addMatchingPair(new assAnswerMatchingTerm('', '', $term["ident"]), new assAnswerMatchingDefinition('', '', $definition["answerorder"]), $response['points']);
                }
                // 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);
                        }
                        $this->object->saveToDb();
                }
                foreach ($responses as $response)
                {
                        $subset = $response["subset"];
                        foreach ($subset as $ident)
                        {
                                if (array_key_exists($ident, $definitions))
                                {
                                        $definition = $definitions[$ident];
                                }
                                if (array_key_exists($ident, $terms))
                                {
                                        $term = $terms[$ident];
                                }
                        }
                }

                foreach ($feedbacksgeneric as $correctness => $material)
                {
                        $m = $this->object->QTIMaterialToString($material);
                        $feedbacksgeneric[$correctness] = $m;
                }

                $feedbacks = $this->getFeedbackAnswerSpecific($item, 'correct_');

                // handle the import of media objects in XHTML code
                $questiontext = $this->object->getQuestion();
                if (is_array($_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, 'correct_');
                        
                        $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);
                }
        }
        
        protected function fetchIndexFromFeedbackIdent($feedbackIdent, $prefix = 'response_')
        {
                list($termId, $definitionId) = explode('_', str_replace($prefix, '', $feedbackIdent));
                
                foreach($this->object->getMatchingPairs() as $index => $pair)
                {
                        /* @var assAnswerMatchingPair $pair */
                        
                        if( $pair->term->identifier != $termId)
                        {
                                continue;
                        }
                        
                        if( $pair->definition->identifier != $definitionId)
                        {
                                continue;
                        }
                        
                        return (int)$index;
                }
                
                return -1;
        }
}

?>