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, $force_image_references=false)
	Returns a QTI xml representation of the question. More...
Public Member Functions inherited from assQuestionExport
	__construct ($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. More...

Data Fields
	$object
Data Fields inherited from assQuestionExport
	$object

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)

Detailed Description

Definition at line 12 of file class.assKprimChoiceExport.php.

Member Function Documentation

getMaxPoints()

assKprimChoiceExport::getMaxPoints ( )

private

Definition at line 308 of file class.assKprimChoiceExport.php.

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

Referenced by toXML().

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getMinPoints()

assKprimChoiceExport::getMinPoints ( )

private

Definition at line 299 of file class.assKprimChoiceExport.php.

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

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

Returns

string The QTI xml representation of the question @access public

Reimplemented from assQuestionExport.

Definition at line 19 of file class.assKprimChoiceExport.php.

    {
        global $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());
        // add estimated working time
        $workingtime = $this->object->getEstimatedWorkingTime();
        $duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
        $xml->xmlElement("duration", null, $duration);
        // add ILIAS specific metadata
        $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(),
                $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->xmlEndTag("item");
        $xml->xmlEndTag("questestinterop");
 
        $xml = $xml->xmlDumpMem(false);
        if (!$a_include_header) {
            $pos = strpos($xml, "?>");
            $xml = substr($xml, $pos + 2);
        }
        return $xml;
    }

References $fh, $index, $xml, assQuestionExport\addAdditionalContentEditingModeInformation(), assQuestionExport\addGeneralMetadata(), getMaxPoints(), getMinPoints(), KPRIM_CHOICE_QUESTION_IDENTIFIER, and sprintf.

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Field Documentation

$object

assKprimChoiceExport::$object

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

---

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

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