class.assQuestionExport.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once "./Modules/Test/classes/inc.AssessmentConstants.php";

class assQuestionExport
{
    public $object;

    public function __construct($a_object)
    {
        $this->object = $a_object;
    }
    
    protected function addAnswerSpecificFeedback(ilXmlWriter $a_xml_writer, $answers)
    {
        foreach ($answers as $index => $answer) {
            $linkrefid = "response_$index";
            $attrs = array(
                "ident" => $linkrefid,
                "view" => "All"
            );
            $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
            // qti flow_mat
            $a_xml_writer->xmlStartTag("flow_mat");
            $fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation(
                $this->object->getId(),
                0,
                $index
            );
            $this->object->addQTIMaterial($a_xml_writer, $fb);
            $a_xml_writer->xmlEndTag("flow_mat");
            $a_xml_writer->xmlEndTag("itemfeedback");
        }
    }
    
    protected function addGenericFeedback(ilXmlWriter $a_xml_writer)
    {
        $this->exportFeedbackOnly($a_xml_writer);
    }
    
    public function exportFeedbackOnly($a_xml_writer)
    {
        $feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
            $this->object->getId(),
            true
        );
        $feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
            $this->object->getId(),
            false
        );
        if (strlen($feedback_allcorrect . $feedback_onenotcorrect)) {
            $a_xml_writer->xmlStartTag("resprocessing");
            $a_xml_writer->xmlStartTag("outcomes");
            $a_xml_writer->xmlStartTag("decvar");
            $a_xml_writer->xmlEndTag("decvar");
            $a_xml_writer->xmlEndTag("outcomes");

            if (strlen($feedback_allcorrect)) {
                $attrs = array(
                    "continue" => "Yes"
                );
                $a_xml_writer->xmlStartTag("respcondition", $attrs);
                // qti conditionvar
                $a_xml_writer->xmlStartTag("conditionvar");
                $attrs = array(
                    "respident" => "points"
                );
                $a_xml_writer->xmlElement("varequal", $attrs, $this->object->getPoints());
                $a_xml_writer->xmlEndTag("conditionvar");
                // qti displayfeedback
                $attrs = array(
                    "feedbacktype" => "Response",
                    "linkrefid" => "response_allcorrect"
                );
                $a_xml_writer->xmlElement("displayfeedback", $attrs);
                $a_xml_writer->xmlEndTag("respcondition");
            }

            if (strlen($feedback_onenotcorrect)) {
                $attrs = array(
                    "continue" => "Yes"
                );
                $a_xml_writer->xmlStartTag("respcondition", $attrs);
                // qti conditionvar
                $a_xml_writer->xmlStartTag("conditionvar");
                $a_xml_writer->xmlStartTag("not");
                $attrs = array(
                    "respident" => "points"
                );
                $a_xml_writer->xmlElement("varequal", $attrs, $this->object->getPoints());
                $a_xml_writer->xmlEndTag("not");
                $a_xml_writer->xmlEndTag("conditionvar");
                // qti displayfeedback
                $attrs = array(
                    "feedbacktype" => "Response",
                    "linkrefid" => "response_onenotcorrect"
                );
                $a_xml_writer->xmlElement("displayfeedback", $attrs);
                $a_xml_writer->xmlEndTag("respcondition");
            }
            $a_xml_writer->xmlEndTag("resprocessing");
        }

        if (strlen($feedback_allcorrect)) {
            $attrs = array(
                "ident" => "response_allcorrect",
                "view" => "All"
            );
            $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
            // qti flow_mat
            $a_xml_writer->xmlStartTag("flow_mat");
            $this->object->addQTIMaterial($a_xml_writer, $feedback_allcorrect);
            $a_xml_writer->xmlEndTag("flow_mat");
            $a_xml_writer->xmlEndTag("itemfeedback");
        }
        if (strlen($feedback_onenotcorrect)) {
            $attrs = array(
                "ident" => "response_onenotcorrect",
                "view" => "All"
            );
            $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
            // qti flow_mat
            $a_xml_writer->xmlStartTag("flow_mat");
            $this->object->addQTIMaterial($a_xml_writer, $feedback_onenotcorrect);
            $a_xml_writer->xmlEndTag("flow_mat");
            $a_xml_writer->xmlEndTag("itemfeedback");
        }
    }

    public function toXML($a_include_header = true, $a_include_binary = true, $a_shuffle = false, $test_output = false, $force_image_references = false)
    {
    }
    
    final protected function addQtiMetaDataField(ilXmlWriter $a_xml_writer, $fieldLabel, $fieldValue)
    {
        $a_xml_writer->xmlStartTag("qtimetadatafield");
        $a_xml_writer->xmlElement("fieldlabel", null, $fieldLabel);
        $a_xml_writer->xmlElement("fieldentry", null, $fieldValue);
        $a_xml_writer->xmlEndTag("qtimetadatafield");
    }
    
    final protected function addAdditionalContentEditingModeInformation(ilXmlWriter $a_xml_writer)
    {
        $this->addQtiMetaDataField(
            $a_xml_writer,
            'additional_cont_edit_mode',
            $this->object->getAdditionalContentEditingMode()
        );
    }

    protected function addGeneralMetadata(ilXmlWriter $xmlwriter)
    {
        $this->addQtiMetaDataField($xmlwriter, 'externalId', $this->object->getExternalId());
        
        $this->addQtiMetaDataField(
            $xmlwriter,
            'ilias_lifecycle',
            $this->object->getLifecycle()->getIdentifier()
        );
        
        $this->addQtiMetaDataField(
            $xmlwriter,
            'lifecycle',
            $this->object->getLifecycle()->getMappedLomLifecycle()
        );
    }

    const ITEM_SOLUTIONHINT = 'solutionhint';

    protected function addSolutionHints(ilXmlWriter $writer) : ilXmlWriter
    {
        $question_id = (int) $this->object->getId();
        $list = ilAssQuestionHintList::getListByQuestionId($question_id);

        foreach ($list as $hint) {
            $attrs = [
                'index' => $hint->getIndex(),
                'points' => $hint->getPoints()
            ];
            $data = $hint->getText();
            $writer->xmlElement(self::ITEM_SOLUTIONHINT, $attrs, $data);
        }
        return $writer;
    }
}