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, $force_image_references=false)
	Returns a QTI xml representation of the question.
Public Member Functions inherited from assQuestionExport
	assQuestionExport (&$a_object)
	assQuestionExport constructor
	exportFeedbackOnly ($a_xml_writer)

Data Fields
	$object
Data Fields inherited from assQuestionExport
	$object

Private Member Functions
	getMinPoints ()
	getMaxPoints ()

Additional Inherited Members
Protected Member Functions inherited from assQuestionExport
	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)
	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)
	addGeneralMetadata (ilXmlWriter $xmlwriter)

Detailed Description

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

Member Function Documentation

assKprimChoiceExport::getMaxPoints ( )

private

Definition at line 330 of file class.assKprimChoiceExport.php.

Referenced by toXML().

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

Here is the caller graph for this function:

assKprimChoiceExport::getMinPoints ( )

private

Definition at line 320 of file class.assKprimChoiceExport.php.

Referenced by toXML().

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

Here is the caller graph for this function:

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 public

Reimplemented from assQuestionExport.

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

References assQuestionExport\addAdditionalContentEditingModeInformation(), assQuestionExport\addGeneralMetadata(), getMaxPoints(), getMinPoints(), KPRIM_CHOICE_QUESTION_IDENTIFIER, and ilXmlWriter\xmlHeader().

        {
                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;
        }

Here is the call graph for this function:

Field Documentation

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