assKprimChoiceExport Class Reference

Inheritance diagram for assKprimChoiceExport:

Collaboration diagram for assKprimChoiceExport:

Public Member Functions
	toXML ($a_include_header=true, $a_include_binary=true, $a_shuffle=false, $test_output=false, $force_image_references=false)
	Returns a QTI xml representation of the question Returns a QTI xml representation of the question and sets the internal domxml variable with the DOM XML representation of the QTI xml representation. More...
Public Member Functions inherited from assQuestionExport
	__construct ($a_object)
	assQuestionExport constructor More...
	exportFeedbackOnly ($a_xml_writer)
	toXML ($a_include_header=true, $a_include_binary=true, $a_shuffle=false, $test_output=false, $force_image_references=false)
	Returns a QTI xml representation of the question Returns a QTI xml representation of the question and sets the internal domxml variable with the DOM XML representation of the QTI xml representation. More...

Data Fields
	$object
Data Fields inherited from assQuestionExport
	$object
const	ITEM_SOLUTIONHINT = 'solutionhint'

Private Member Functions
	getMinPoints ()
	getMaxPoints ()

Additional Inherited Members
Protected Member Functions inherited from assQuestionExport
	addAnswerSpecificFeedback (ilXmlWriter $a_xml_writer, $answers)
	addGenericFeedback (ilXmlWriter $a_xml_writer)
	addQtiMetaDataField (ilXmlWriter $a_xml_writer, $fieldLabel, $fieldValue)
	adds a qti meta data field with given name and value to the passed xml writer (xml writer must be in context of opened "qtimetadata" tag) More...
	addAdditionalContentEditingModeInformation (ilXmlWriter $a_xml_writer)
	adds a qti meta data field for ilias specific information of "additional content editing mode" (xml writer must be in context of opened "qtimetadata" tag) More...
	addGeneralMetadata (ilXmlWriter $xmlwriter)
	addSolutionHints (ilXmlWriter $writer)

Detailed Description

Definition at line 26 of file class.assKprimChoiceExport.php.

Member Function Documentation

getMaxPoints()

assKprimChoiceExport::getMaxPoints ( )

private

Definition at line 321 of file class.assKprimChoiceExport.php.

                                   : float
    {
        return $this->object->getPoints();
    }

Referenced by toXML().

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getMinPoints()

assKprimChoiceExport::getMinPoints ( )

private

Definition at line 312 of file class.assKprimChoiceExport.php.

    {
        if ($this->object->isScorePartialSolutionEnabled()) {
            return ($this->object->getPoints() / 2);
        }
 
        return 0;
    }

References ILIAS\Repository\object().

Referenced by toXML().

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toXML()

assKprimChoiceExport::toXML	(		$a_include_header = true,
			$a_include_binary = true,
			$a_shuffle = false,
			$test_output = false,
			$force_image_references = false
	)

Returns a QTI xml representation of the question Returns a QTI xml representation of the question and sets the internal domxml variable with the DOM XML representation of the QTI xml representation.

Reimplemented from assQuestionExport.

Definition at line 33 of file class.assKprimChoiceExport.php.

                                                                                                                                                        : string
    {
        global $DIC;
        $ilias = $DIC['ilias'];
 
        include_once("./Services/Xml/classes/class.ilXmlWriter.php");
        $xml = new ilXmlWriter();
        // set xml header
        $xml->xmlHeader();
        $xml->xmlStartTag("questestinterop");
        $attrs = array(
            "ident" => "il_" . IL_INST_ID . "_qst_" . $this->object->getId(),
            "title" => $this->object->getTitle(),
            "maxattempts" => $this->object->getNrOfTries()
        );
        $xml->xmlStartTag("item", $attrs);
        // add question description
        $xml->xmlElement("qticomment", null, $this->object->getComment());
        $xml->xmlStartTag("itemmetadata");
        $xml->xmlStartTag("qtimetadata");
        $xml->xmlStartTag("qtimetadatafield");
        $xml->xmlElement("fieldlabel", null, "ILIAS_VERSION");
        $xml->xmlElement("fieldentry", null, $ilias->getSetting("ilias_version"));
        $xml->xmlEndTag("qtimetadatafield");
        $xml->xmlStartTag("qtimetadatafield");
        $xml->xmlElement("fieldlabel", null, "QUESTIONTYPE");
        $xml->xmlElement("fieldentry", null, KPRIM_CHOICE_QUESTION_IDENTIFIER);
        $xml->xmlEndTag("qtimetadatafield");
        $xml->xmlStartTag("qtimetadatafield");
        $xml->xmlElement("fieldlabel", null, "AUTHOR");
        $xml->xmlElement("fieldentry", null, $this->object->getAuthor());
        $xml->xmlEndTag("qtimetadatafield");
 
        // additional content editing information
        $this->addAdditionalContentEditingModeInformation($xml);
        $this->addGeneralMetadata($xml);
 
        $xml->xmlStartTag("qtimetadatafield");
        $xml->xmlElement("fieldlabel", null, "answer_type");
        $xml->xmlElement("fieldentry", null, $this->object->getAnswerType());
        $xml->xmlEndTag("qtimetadatafield");
 
        $xml->xmlStartTag("qtimetadatafield");
        $xml->xmlElement("fieldlabel", null, "thumb_size");
        $xml->xmlElement("fieldentry", null, $this->object->getThumbSize());
        $xml->xmlEndTag("qtimetadatafield");
 
        $xml->xmlStartTag("qtimetadatafield");
        $xml->xmlElement("fieldlabel", null, "option_label_setting");
        $xml->xmlElement("fieldentry", null, $this->object->getOptionLabel());
        $xml->xmlEndTag("qtimetadatafield");
        $xml->xmlStartTag("qtimetadatafield");
        $xml->xmlElement("fieldlabel", null, "custom_true_option_label");
        $xml->xmlElement("fieldentry", null, $this->object->getCustomTrueOptionLabel());
        $xml->xmlEndTag("qtimetadatafield");
        $xml->xmlStartTag("qtimetadatafield");
        $xml->xmlElement("fieldlabel", null, "custom_false_option_label");
        $xml->xmlElement("fieldentry", null, $this->object->getCustomFalseOptionLabel());
        $xml->xmlEndTag("qtimetadatafield");
 
        $xml->xmlStartTag("qtimetadatafield");
        $xml->xmlElement("fieldlabel", null, "feedback_setting");
        $xml->xmlElement("fieldentry", null, $this->object->getSpecificFeedbackSetting());
        $xml->xmlEndTag("qtimetadatafield");
 
        $xml->xmlEndTag("qtimetadata");
        $xml->xmlEndTag("itemmetadata");
 
        // PART I: qti presentation
        $attrs = array(
            "label" => $this->object->getTitle()
        );
        $xml->xmlStartTag("presentation", $attrs);
        // add flow to presentation
        $xml->xmlStartTag("flow");
        // add material with question text to presentation
        $this->object->addQTIMaterial($xml, $this->object->getQuestion());
        // add answers to presentation
        $attrs = array(
            "ident" => "MCMR",
            "rcardinality" => "Multiple"
        );
        $xml->xmlStartTag("response_lid", $attrs);
        $solution = $this->object->getSuggestedSolution(0);
        if (count($solution)) {
            if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches)) {
                $xml->xmlStartTag("material");
                $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
                if (strcmp($matches[1], "") != 0) {
                    $intlink = $solution["internal_link"];
                }
                $attrs = array(
                    "label" => "suggested_solution"
                );
                $xml->xmlElement("mattext", $attrs, $intlink);
                $xml->xmlEndTag("material");
            }
        }
        // shuffle output
        $attrs = array();
        if ($this->object->isShuffleAnswersEnabled()) {
            $attrs = array(
                "shuffle" => "Yes"
            );
        } else {
            $attrs = array(
                "shuffle" => "No"
            );
        }
        $xml->xmlStartTag("render_choice", $attrs);
 
        // add answers
        $answers = $this->object->getAnswers();
        $akeys = array_keys($answers);
        foreach ($akeys as $index) {
            $answer = $this->object->getAnswer($index);
 
            $xml->xmlStartTag('response_label', array('ident' => $answer->getPosition()));
 
            if (strlen($answer->getImageFile())) {
                $this->object->addQTIMaterial($xml, $answer->getAnswertext(), false, false);
                $imagetype = "image/jpeg";
                if (preg_match("/.*\.(png|gif)$/", $answer->getImageFile(), $matches)) {
                    $imagetype = "image/" . $matches[1];
                }
                if ($force_image_references) {
                    $attrs = array(
                        "imagtype" => $imagetype,
                        "label" => $answer->getImageFile(),
                        "uri" => $answer->getImageWebPath()
                    );
                    $xml->xmlElement("matimage", $attrs);
                } else {
                    $imagepath = $answer->getImageFsPath();
                    $fh = @fopen($imagepath, "rb");
                    if ($fh != false) {
                        $imagefile = fread($fh, filesize($imagepath));
                        fclose($fh);
                        $base64 = base64_encode($imagefile);
                        $attrs = array(
                            "imagtype" => $imagetype,
                            "label" => $answer->getImageFile(),
                            "embedded" => "base64"
                        );
                        $xml->xmlElement("matimage", $attrs, $base64, false, false);
                    }
                }
                $xml->xmlEndTag("material");
            } else {
                $this->object->addQTIMaterial($xml, $answer->getAnswertext());
            }
            $xml->xmlEndTag("response_label");
        }
        $xml->xmlEndTag("render_choice");
        $xml->xmlEndTag("response_lid");
        $xml->xmlEndTag("flow");
        $xml->xmlEndTag("presentation");
 
        // PART II: qti resprocessing
 
        $xml->xmlStartTag('resprocessing');
 
        $xml->xmlStartTag('outcomes');
        $xml->xmlElement('decvar', array(
            'varname' => 'SCORE', 'vartype' => 'Decimal', 'defaultval' => '0',
            'minvalue' => $this->getMinPoints(), 'maxvalue' => $this->getMaxPoints()
        ));
        $xml->xmlEndTag('outcomes');
 
 
        foreach ($answers as $answer) {
            $xml->xmlStartTag('respcondition', array('continue' => 'Yes'));
 
            $xml->xmlStartTag('conditionvar');
            $xml->xmlElement('varequal', array('respident' => $answer->getPosition()), $answer->getCorrectness());
            $xml->xmlEndTag('conditionvar');
 
            $xml->xmlElement('displayfeedback', array(
                'feedbacktype' => 'Response', 'linkrefid' => "response_{$answer->getPosition()}"
            ));
 
            $xml->xmlEndTag('respcondition');
        }
 
        $feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
            $this->object->getId(),
            true
        );
 
        $xml->xmlStartTag('respcondition', array('continue' => 'Yes'));
 
        $xml->xmlStartTag('conditionvar');
        $xml->xmlStartTag('and');
        foreach ($answers as $answer) {
            $xml->xmlElement('varequal', array('respident' => $answer->getPosition()), $answer->getCorrectness());
        }
        $xml->xmlEndTag('and');
        $xml->xmlEndTag('conditionvar');
 
        $xml->xmlElement('setvar', array('action' => 'Add'), $this->object->getPoints());
 
        if (strlen($feedback_allcorrect)) {
            $xml->xmlElement('displayfeedback', array('feedbacktype' => 'Response', 'linkrefid' => 'response_allcorrect'));
        }
 
        $xml->xmlEndTag('respcondition');
 
        $feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
            $this->object->getId(),
            false
        );
 
        $xml->xmlStartTag('respcondition', array('continue' => 'Yes'));
 
        $xml->xmlStartTag('conditionvar');
        $xml->xmlStartTag('or');
        foreach ($answers as $answer) {
            $xml->xmlStartTag('not');
            $xml->xmlElement('varequal', array('respident' => $answer->getPosition()), $answer->getCorrectness());
            $xml->xmlEndTag('not');
        }
        $xml->xmlEndTag('or');
        $xml->xmlEndTag('conditionvar');
 
        $xml->xmlElement('setvar', array('action' => 'Add'), 0);
 
        if (strlen($feedback_onenotcorrect)) {
            $xml->xmlElement('displayfeedback', array('feedbacktype' => 'Response', 'linkrefid' => 'response_onenotcorrect'));
        }
 
        $xml->xmlEndTag('respcondition');
 
        $xml->xmlEndTag('resprocessing');
 
        foreach ($answers as $answer) {
            $xml->xmlStartTag('itemfeedback', array('ident' => "response_{$answer->getPosition()}", 'view' => 'All'));
            $xml->xmlStartTag('flow_mat');
 
            $this->object->addQTIMaterial($xml, $this->object->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation(
                $this->object->getId(),
                0,
                $answer->getPosition()
            ));
 
            $xml->xmlEndTag('flow_mat');
            $xml->xmlEndTag('itemfeedback');
        }
        if (strlen($feedback_allcorrect)) {
            $xml->xmlStartTag('itemfeedback', array('ident' => 'response_allcorrect', 'view' => 'All'));
            $xml->xmlStartTag('flow_mat');
 
            $this->object->addQTIMaterial($xml, $feedback_allcorrect);
 
            $xml->xmlEndTag('flow_mat');
            $xml->xmlEndTag('itemfeedback');
        }
        if (strlen($feedback_onenotcorrect)) {
            $xml->xmlStartTag('itemfeedback', array('ident' => 'response_onenotcorrect', 'view' => 'All'));
            $xml->xmlStartTag('flow_mat');
 
            $this->object->addQTIMaterial($xml, $feedback_onenotcorrect);
 
            $xml->xmlEndTag('flow_mat');
            $xml->xmlEndTag('itemfeedback');
        }
 
        $xml = $this->addSolutionHints($xml);
 
        $xml->xmlEndTag("item");
        $xml->xmlEndTag("questestinterop");
 
        $xml = $xml->xmlDumpMem(false);
        if (!$a_include_header) {
            $pos = strpos($xml, "?>");
            $xml = substr($xml, $pos + 2);
        }
        return $xml;
    }

References $DIC, $index, $xml, assQuestionExport\addAdditionalContentEditingModeInformation(), assQuestionExport\addGeneralMetadata(), assQuestionExport\addSolutionHints(), getMaxPoints(), getMinPoints(), IL_INST_ID, KPRIM_CHOICE_QUESTION_IDENTIFIER, and ILIAS\Repository\object().

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Field Documentation

$object

assKprimChoiceExport::$object

Definition at line 31 of file class.assKprimChoiceExport.php.

---

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

• Modules/TestQuestionPool/classes/export/qti12/class.assKprimChoiceExport.php