ilTestExportQTI Class Reference

Class ilTestExportQTI Generates XML export of ILIAS tests in QTI format. More...

Collaboration diagram for ilTestExportQTI:

Public Member Functions
	__construct (&$tst_obj)
	toXML ()
	Returns a QTI xml representation of the test.

Protected Member Functions
	addQTIMaterial (&$a_xml_writer, $a_material)
	Creates a QTI material tag from a plain text or xhtml text.

Private Attributes
	$objTest

Detailed Description

Class ilTestExportQTI Generates XML export of ILIAS tests in QTI format.

Author

Helmut Schottmüller ilias.nosp@m.@aur.nosp@m.ealis.nosp@m..de

Version

$Id$

Definition at line 13 of file class.ilTestExportQTI.php.

Constructor & Destructor Documentation

ilTestExportQTI::__construct

(

&

$tst_obj

)

Definition at line 17 of file class.ilTestExportQTI.php.

        {
                $this->objTest = $tst_obj;
        }

Member Function Documentation

ilTestExportQTI::addQTIMaterial ( &  $a_xml_writer,   $a_material  )

protected

Creates a QTI material tag from a plain text or xhtml text.

Parameters

object	$a_xml_writer	Reference to the ILIAS XML writer
string	$a_material	plain text or html text containing the material

Returns

string QTI material tag public

Definition at line 400 of file class.ilTestExportQTI.php.

References $mobs, ilObjMediaObject\_exists(), ilObjMediaObject\_getMobsOfObject(), and ilRTE\_replaceMediaObjectImageSrc().

Referenced by toXML().

        {
                include_once "./Services/RTE/classes/class.ilRTE.php";
                include_once("./Services/MediaObjects/classes/class.ilObjMediaObject.php");

                $a_xml_writer->xmlStartTag("material");
                $attrs = array(
                        "texttype" => "text/plain"
                );
                if ($this->objTest->isHTML($a_material))
                {
                        $attrs["texttype"] = "text/xhtml";
                }
                $a_xml_writer->xmlElement("mattext", $attrs, ilRTE::_replaceMediaObjectImageSrc($a_material, 0));

                $mobs = ilObjMediaObject::_getMobsOfObject("tst:html", $this->objTest->getId());
                foreach ($mobs as $mob)
                {
                        $moblabel = "il_" . IL_INST_ID . "_mob_" . $mob;
                        if (strpos($a_material, "mm_$mob") !== FALSE)
                        {
                                if (ilObjMediaObject::_exists($mob))
                                {
                                        $mob_obj =& new ilObjMediaObject($mob);
                                        $imgattrs = array(
                                                "label" => $moblabel,
                                                "uri" => "objects/" . "il_" . IL_INST_ID . "_mob_" . $mob . "/" . $mob_obj->getTitle()
                                        );
                                }
                                $a_xml_writer->xmlElement("matimage", $imgattrs, NULL);
                        }
                }
                $a_xml_writer->xmlEndTag("material");
        }

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ilTestExportQTI::toXML

(

)

Returns a QTI xml representation of the test.

Returns

string The QTI xml representation of the test public

Definition at line 28 of file class.ilTestExportQTI.php.

References ilObjTest\_instanciateQuestion(), addQTIMaterial(), and ilXmlWriter\xmlHeader().

        {
                include_once("./Services/Xml/classes/class.ilXmlWriter.php");
                $a_xml_writer = new ilXmlWriter;
                // set xml header
                $a_xml_writer->xmlHeader();
                $a_xml_writer->xmlSetDtdDef("<!DOCTYPE questestinterop SYSTEM \"ims_qtiasiv1p2p1.dtd\">");
                $a_xml_writer->xmlStartTag("questestinterop");

                $attrs = array(
                        "ident" => "il_".IL_INST_ID."_tst_".$this->objTest->getTestId(),
                        "title" => $this->objTest->getTitle()
                );
                $a_xml_writer->xmlStartTag("assessment", $attrs);
                // add qti comment
                $a_xml_writer->xmlElement("qticomment", NULL, $this->objTest->getDescription());

                // add qti duration
                if ($this->objTest->getEnableProcessingTime())
                {
                        preg_match("/(\d+):(\d+):(\d+)/", $this->objTest->getProcessingTime(), $matches);
                        $a_xml_writer->xmlElement("duration", NULL, sprintf("P0Y0M0DT%dH%dM%dS", $matches[1], $matches[2], $matches[3]));
                }

                // add the rest of the preferences in qtimetadata tags, because there is no correspondent definition in QTI
                $a_xml_writer->xmlStartTag("qtimetadata");
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->ilias->getSetting("ilias_version"));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // anonymity
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "anonymity");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getAnonymity()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // random test
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "random_test");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->isRandomTest()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // sequence settings
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "sequence_settings");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getSequenceSettings());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // author
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "author");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getAuthor());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // reset processing time
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "reset_processing_time");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getResetProcessingTime());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // count system
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "count_system");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getCountSystem());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // multiple choice scoring
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "mc_scoring");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getMCScoring());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // multiple choice scoring
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "score_cutting");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getScoreCutting());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // multiple choice scoring
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "password");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getPassword());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // allowed users
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "allowedUsers");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getAllowedUsers());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // allowed users time gap
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "allowedUsersTimeGap");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getAllowedUsersTimeGap());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // pass scoring
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "pass_scoring");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getPassScoring());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // score reporting date
                if ($this->objTest->getReportingDate())
                {
                        $a_xml_writer->xmlStartTag("qtimetadatafield");
                        $a_xml_writer->xmlElement("fieldlabel", NULL, "reporting_date");
                        preg_match("/(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2})/", $this->objTest->getReportingDate(), $matches);
                        $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("P%dY%dM%dDT%dH%dM%dS", $matches[1], $matches[2], $matches[3], $matches[4], $matches[5], $matches[6]));
                        $a_xml_writer->xmlEndTag("qtimetadatafield");
                }
                // number of tries
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "nr_of_tries");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getNrOfTries()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // kiosk
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "kiosk");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getKiosk()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // use previous answers
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "use_previous_answers");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getUsePreviousAnswers());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // hide title points
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "title_output");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getTitleOutput()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // random question count
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "random_question_count");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getRandomQuestionCount()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // results presentation
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "results_presentation");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getResultsPresentation()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // solution details
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "show_summary");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getListOfQuestionsSettings()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // solution details
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "score_reporting");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getScoreReporting()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // solution details
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "instant_verification");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getInstantFeedbackSolution()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // answer specific feedback
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "answer_feedback");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getAnswerFeedback()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // answer specific feedback of reached points
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "answer_feedback_points");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getAnswerFeedbackPoints()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // show cancel
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "show_cancel");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getShowCancel()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // show marker
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "show_marker");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getShowMarker()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // fixed participants
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "fixed_participants");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getFixedParticipants()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // show final statement
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "showfinalstatement");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", (($this->objTest->getShowFinalStatement()) ? "1" : "0")));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

         // redirect after exam
         $a_xml_writer->xmlStartTag("qtimetadatafield");
         $a_xml_writer->xmlElement("fieldlabel", NULL, "redirect_after_exam");
         $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getRedirectAfterExam());
         $a_xml_writer->xmlEndTag("qtimetadatafield");

         // redirect only in kiosk mode
         $a_xml_writer->xmlStartTag("qtimetadatafield");
         $a_xml_writer->xmlElement("fieldlabel", NULL, "redirect_only_kiosk_mode");
         $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", (($this->objTest->getRedirectOnlyKioskMode()) ? "1" : "0")));
         $a_xml_writer->xmlEndTag("qtimetadatafield");

         // save exam PDF for archive
         $a_xml_writer->xmlStartTag("qtimetadatafield");
         $a_xml_writer->xmlElement("fieldlabel", NULL, "exam_pdf");
         $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", (($this->objTest->getExamPdf()) ? "1" : "0")));
         $a_xml_writer->xmlEndTag("qtimetadatafield");

                // show introduction only
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "showinfo");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", (($this->objTest->getShowInfo()) ? "1" : "0")));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // mail notification
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "mailnotification");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getMailNotification());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // mail notification type
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "mailnottype");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getMailNotificationType());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // export settings
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "exportsettings");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getExportSettings());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // force JavaScript
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "forcejs");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", (($this->objTest->getForceJS()) ? "1" : "0")));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // custom style
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "customstyle");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getCustomStyle());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // shuffle questions
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "shuffle_questions");
                $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("%d", $this->objTest->getShuffleQuestions()));
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // processing time
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "processing_time");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getProcessingTime());
                $a_xml_writer->xmlEndTag("qtimetadatafield");
                
                // autosave
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "autosave");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getAutosave());
                $a_xml_writer->xmlEndTag("qtimetadatafield");
                
                // enable processing Time
                $a_xml_writer->xmlStartTag("qtimetadatafield");
                $a_xml_writer->xmlElement("fieldlabel", NULL, "enable_processing_time");
                $a_xml_writer->xmlElement("fieldentry", NULL, $this->objTest->getEnableProcessingTime());
                $a_xml_writer->xmlEndTag("qtimetadatafield");

                // starting time
                if ($this->objTest->getStartingTime())
                {
                        $a_xml_writer->xmlStartTag("qtimetadatafield");
                        $a_xml_writer->xmlElement("fieldlabel", NULL, "starting_time");
                        preg_match("/(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2})/", $this->objTest->getStartingTime(), $matches);
                        $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("P%dY%dM%dDT%dH%dM%dS", $matches[1], $matches[2], $matches[3], $matches[4], $matches[5], $matches[6]));
                        $a_xml_writer->xmlEndTag("qtimetadatafield");
                }
                // ending time
                if ($this->objTest->getEndingTime())
                {
                        $a_xml_writer->xmlStartTag("qtimetadatafield");
                        $a_xml_writer->xmlElement("fieldlabel", NULL, "ending_time");
                        preg_match("/(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2})/", $this->objTest->getEndingTime(), $matches);
                        $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("P%dY%dM%dDT%dH%dM%dS", $matches[1], $matches[2], $matches[3], $matches[4], $matches[5], $matches[6]));
                        $a_xml_writer->xmlEndTag("qtimetadatafield");
                }
                foreach ($this->objTest->getMarkSchema()->getMarkSteps() as $index => $mark)
                {
                        // mark steps
                        $a_xml_writer->xmlStartTag("qtimetadatafield");
                        $a_xml_writer->xmlElement("fieldlabel", NULL, "mark_step_$index");
                        $a_xml_writer->xmlElement("fieldentry", NULL, sprintf("<short>%s</short><official>%s</official><percentage>%.2f</percentage><passed>%d</passed>", $mark->getShortName(), $mark->getOfficialName(), $mark->getMinimumLevel(), $mark->getPassed()));
                        $a_xml_writer->xmlEndTag("qtimetadatafield");
                }
                $a_xml_writer->xmlEndTag("qtimetadata");

                // add qti objectives
                $a_xml_writer->xmlStartTag("objectives");
                $this->addQTIMaterial($a_xml_writer, $this->objTest->getIntroduction());
                $a_xml_writer->xmlEndTag("objectives");

                // add qti assessmentcontrol
                if ($this->objTest->getInstantFeedbackSolution() == 1)
                {
                        $attrs = array(
                                "solutionswitch" => "Yes"
                        );
                }
                else
                {
                        $attrs = NULL;
                }
                $a_xml_writer->xmlElement("assessmentcontrol", $attrs, NULL);

                if (strlen($this->objTest->getFinalStatement()))
                {
                        // add qti presentation_material
                        $a_xml_writer->xmlStartTag("presentation_material");
                        $a_xml_writer->xmlStartTag("flow_mat");
                        $this->addQTIMaterial($a_xml_writer, $this->objTest->getFinalStatement());
                        $a_xml_writer->xmlEndTag("flow_mat");
                        $a_xml_writer->xmlEndTag("presentation_material");
                }
                
                $attrs = array(
                        "ident" => "1"
                );
                $a_xml_writer->xmlElement("section", $attrs, NULL);
                $a_xml_writer->xmlEndTag("assessment");
                $a_xml_writer->xmlEndTag("questestinterop");

                $xml = $a_xml_writer->xmlDumpMem(FALSE);

                include_once "./Modules/Test/classes/class.ilObjTest.php";
                foreach ($this->objTest->getQuestions() as $question_id)
                {
                        $question =& ilObjTest::_instanciateQuestion($question_id);
                        $qti_question = $question->toXML(false);
                        $qti_question = preg_replace("/<questestinterop>/", "", $qti_question);
                        $qti_question = preg_replace("/<\/questestinterop>/", "", $qti_question);
                        if (strpos($xml, "</section>") !== false)
                        {
                                $xml = str_replace("</section>", "$qti_question</section>", $xml);
                        }
                        else
                        {
                                $xml = str_replace("<section ident=\"1\"/>", "<section ident=\"1\">\n$qti_question</section>", $xml);
                        }
                }
                return $xml;
        }

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Field Documentation

ilTestExportQTI::$objTest

private

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

---

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

• Modules/Test/classes/class.ilTestExportQTI.php