class.assOrderingQuestionImport.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 assOrderingQuestionImport extends assQuestionImport
{
        public $object;
        
        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();
                $foundimage = FALSE;
                $created = sprintf("%04d%02d%02d%02d%02d%02d", $now['year'], $now['mon'], $now['mday'], $now['hours'], $now['minutes'], $now['seconds']);
                $answers = array();
                $type = OQ_TERMS;
                
                foreach ($presentation->order as $entry)
                {
                        switch ($entry["type"])
                        {
                                case "response":
                                        $response = $presentation->response[$entry["index"]];
                                        $type = $response->getIdent();
                                        if($response->getIdent() == 'OQP' )
                                                $type = OQ_PICTURES;
                                        else if($response->getIdent() == 'OQNP')
                                                $type = OQ_NESTED_PICTURES;
                                        else if($response->getIdent() == 'OQNT')
                                                $type = OQ_NESTED_TERMS;
                                        else if($response->getIdent() == 'OQT')
                                                $type = OQ_TERMS;

                                        $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();
                                                                $answertext = "";
                                                                foreach ($response_label->material as $mat)
                                                                {
                                                                        for ($m = 0; $m < $mat->getMaterialCount(); $m++)
                                                                        {
                                                                                $foundmat = $mat->getMaterial($m);

                                                                        if (strcmp($foundmat["material"]->getLabel(), "answerdepth") == 0)
                                                                                {
                                                                                $answerdepth = $foundmat["material"]->getContent();
                                                                        }
                                                                                if (strcmp($foundmat["type"], "mattext") == 0
                                                                                && strcmp($foundmat["material"]->getLabel(), "answerdepth") != 0)
                                                                                {
                                                                                        $answertext .= $foundmat["material"]->getContent();
                                                                                }
                                                                                if (strcmp($foundmat["type"], "matimage") == 0
                                                                                        && strcmp($foundmat["material"]->getLabel(), "answerdepth") != 0)
                                                                                {
                                                                                        $foundimage = TRUE;
                                                                                        $answerimage = array(
                                                                                                "imagetype" => $foundmat["material"]->getImageType(),
                                                                                                "label" => $foundmat["material"]->getLabel(),
                                                                                                "content" => $foundmat["material"]->getContent()
                                                                                        );
                                                                                }
                                                                        }
                                                                }
                                                                $answers[$answerorder] = array(
                                                                        'ident' => $ident,
                                                                        "answertext" => $answertext,
                                                                        "answerimage" => $answerimage,
                                                                        "points" => 0,
                                                                        "answerorder" => $answerorder,
                                                                        "answerdepth" => $answerdepth,
                                                                        "correctness" => "",
                                                                        "action" => ""
                                                                );
                                                                $answerorder++;
                                                        }
                                                        break;
                                        }
                                        break;
                        }
                }
                $responses = array();
                $feedbacksgeneric = array();
                foreach ($item->resprocessing as $resprocessing)
                {
                        foreach ($resprocessing->respcondition as $respcondition)
                        {
                                $ident = "";
                                $correctness = 1;
                                $conditionvar = $respcondition->getConditionvar();
                                foreach ($conditionvar->order as $order)
                                {
                                        switch ($order["field"])
                                        {
                                                case "arr_not":
                                                        $correctness = 0;
                                                        break;
                                                case "varequal":
                                                        $ident = $conditionvar->varequal[$order["index"]]->getContent();
                                                        $orderindex = $conditionvar->varequal[$order["index"]]->getIndex();
                                                        break;
                                        }
                                }
                                foreach ($respcondition->setvar as $setvar)
                                {
                                        if (strcmp($ident, "") != 0)
                                        {
                                                $answers[$ident]["solutionorder"] = $orderindex;
                                                $answers[$ident]["action"] = $setvar->getAction();
                                                $answers[$ident]["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;
                                                                                                }
                                                                                        }
                                                                                }
                                                                        } 
                                                                }
                                                        }
                                                }
                                        }
                                }
                        }
                }
                
                $itemfeedbacks = $this->getFeedbackAnswerSpecific($item, 'link_');

                $this->addGeneralMetadata($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()));
                $this->object->setOrderingType($type);
                $this->object->setObjId($questionpool_id);
                $this->object->setThumbGeometry($item->getMetadataEntry("thumb_geometry"));
                $this->object->setElementHeight($item->getMetadataEntry("element_height"));
                $this->object->setEstimatedWorkingTime($duration["h"], $duration["m"], $duration["s"]);
                $this->object->setShuffle($shuffle);
                $points = 0;
                $solanswers = array();
                
                foreach ($answers as $answer)
                {
                        $solanswers[$answer["solutionorder"]] = $answer;
                }
                ksort($solanswers);
                $position = 0;
                foreach ($solanswers as $answer)
                {
                        $points += $answer["points"];
                        
                        $element = new ilAssOrderingElement();
                        
                        if( $element->isExportIdent($answer['ident']) )
                        {
                                $element->setExportIdent($answer['ident']);
                        }
                        else
                        {
                                $element->setPosition($position++);
                                if(isset($answer['answerdepth']))
                                {
                                        $element->setIndentation($answer['answerdepth']);
                                }
                        }
                        
                        if( $this->object->isImageOrderingType() )
                        {
                                $element->setContent($answer["answerimage"]["label"]);
                        }
                        else
                        {
                                $element->setContent($answer["answertext"]);
                        }
                        
                        $this->object->getOrderingElementList()->addElement($element);
                }
                $points = ($item->getMetadataEntry("points") > 0) ? $item->getMetadataEntry("points") : $points;
                $this->object->setPoints($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);
                        }
                        $this->object->saveToDb();
                }
                foreach ($answers as $answer)
                {
                        if ($type == OQ_PICTURES || $type == OQ_NESTED_PICTURES)
                        {
                                include_once "./Services/Utilities/classes/class.ilUtil.php";
                                if( strlen($answer['answerimage']['label']) && strlen($answer['answerimage']['content']) )
                                {
                                        $image =& base64_decode($answer["answerimage"]["content"]);
                                        $imagepath = $this->object->getImagePath();
                                        if (!file_exists($imagepath))
                                        {
                                                ilUtil::makeDirParents($imagepath);
                                        }
                                        $imagepath .=  $answer["answerimage"]["label"];
                                        $fh = fopen($imagepath, "wb");
                                        if ($fh == false)
                                        {
//                                                                      global $ilErr;
//                                                                      $ilErr->raiseError($this->object->lng->txt("error_save_image_file") . ": $php_errormsg", $ilErr->MESSAGE);
//                                                                      return;
                                        }
                                        else
                                        {
                                                $imagefile = fwrite($fh, $image);
                                                fclose($fh);
                                        }
                                        // create thumbnail file
                                        $thumbpath = $imagepath . "." . "thumb.jpg";
                                        ilUtil::convertImage($imagepath, $thumbpath, "JPEG", $this->object->getThumbGeometry());
                                }
                        }
                }
                foreach ($feedbacksgeneric as $correctness => $material)
                {
                        $m = $this->object->QTIMaterialToString($material);
                        $feedbacksgeneric[$correctness] = $m;
                }
                $questiontext = $this->object->getQuestion();

                // handle the import of media objects in XHTML code
                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() . "\"", $questiontext);
                                foreach($this->object->getOrderingElementList() as $element)
                                {
                                        $element->setContent(str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $element->getContent()));
                                }
                                foreach ($feedbacksgeneric as $correctness => $material)
                                {
                                        $feedbacksgeneric[$correctness] = str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $material);
                                }
                                foreach ($itemfeedbacks as $ident => $material)
                                {
                                        $itemfeedbacks[$ident] = str_replace("src=\"" . $mob["mob"] . "\"", "src=\"" . "il_" . IL_INST_ID . "_mob_" . $media_object->getId() . "\"", $material);
                                }
                        }
                }
                $this->object->setQuestion(ilRTE::_replaceMediaObjectImageSrc($questiontext, 1));
                foreach($this->object->getOrderingElementList() as $element)
                {
                        $element->setContent(ilRTE::_replaceMediaObjectImageSrc($element->getContent(), 1));
                }
                foreach ($feedbacksgeneric as $correctness => $material)
                {
                        $this->object->feedbackOBJ->importGenericFeedback(
                                        $this->object->getId(), $correctness, ilRTE::_replaceMediaObjectImageSrc($material, 1)
                        );
                }
                foreach ($itemfeedbacks as $ident => $material)
                {
                        $index = $this->fetchIndexFromFeedbackIdent($ident, 'link_');
                        
                        $this->object->feedbackOBJ->importSpecificAnswerFeedback(
                                $this->object->getId(), $index, ilRTE::_replaceMediaObjectImageSrc($material, 1)
                        );
                }
                $this->object->saveToDb();
                if ($tst_id > 0)
                {
                        $this->object->setObjId($tst_id);
                        $tstQid = $this->object->getId();
                        $qplQid = $this->object->duplicate(true, null, null, null, $questionpool_id);
                        assQuestion::resetOriginalId($qplQid);
                        assQuestion::saveOriginalId($tstQid, $qplQid);
                        $tst_object->questions[$question_counter++] = $tstQid;
                        $import_mapping[$item->getIdent()] = array("pool" => $qplQid, "test" => $tstQid);
                }
                else
                {
                        $import_mapping[$item->getIdent()] = array("pool" => $this->object->getId(), "test" => 0);
                }
        }
}

?>