Class for matching question exports. More...
Inheritance diagram for assMatchingQuestionExport:
Collaboration diagram for assMatchingQuestionExport:
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. | |
Detailed Description
Class for matching question exports.
assMatchingQuestionExport is a class for matching question exports
- Version:
- $Id$
Definition at line 35 of file class.assMatchingQuestionExport.php.
Member Function Documentation
| assMatchingQuestionExport::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 46 of file class.assMatchingQuestionExport.php.
References $ilias.
{
global $ilias;
include_once("./classes/class.ilXmlWriter.php");
$a_xml_writer = new ilXmlWriter;
// set xml header
$a_xml_writer->xmlHeader();
$a_xml_writer->xmlStartTag("questestinterop");
$attrs = array(
"ident" => "il_".IL_INST_ID."_qst_".$this->object->getId(),
"title" => $this->object->getTitle()
);
$a_xml_writer->xmlStartTag("item", $attrs);
// add question description
$a_xml_writer->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"]);
$a_xml_writer->xmlElement("duration", NULL, $duration);
// add ILIAS specific metadata
$a_xml_writer->xmlStartTag("itemmetadata");
$a_xml_writer->xmlStartTag("qtimetadata");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
$a_xml_writer->xmlElement("fieldentry", NULL, $ilias->getSetting("ilias_version"));
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "QUESTIONTYPE");
$a_xml_writer->xmlElement("fieldentry", NULL, MATCHING_QUESTION_IDENTIFIER);
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "AUTHOR");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getAuthor());
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "shuffle");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getShuffle());
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlEndTag("qtimetadata");
$a_xml_writer->xmlEndTag("itemmetadata");
// PART I: qti presentation
$attrs = array(
"label" => $this->object->getTitle()
);
$a_xml_writer->xmlStartTag("presentation", $attrs);
// add flow to presentation
$a_xml_writer->xmlStartTag("flow");
// add material with question text to presentation
$this->object->addQTIMaterial($a_xml_writer, $this->object->getQuestion());
// add answers to presentation
$attrs = array();
if ($this->object->getMatchingType() == MT_TERMS_PICTURES)
{
$attrs = array(
"ident" => "MQP",
"rcardinality" => "Multiple"
);
}
else
{
$attrs = array(
"ident" => "MQT",
"rcardinality" => "Multiple"
);
}
if ($this->object->getOutputType() == OUTPUT_JAVASCRIPT)
{
$attrs["output"] = "javascript";
}
$a_xml_writer->xmlStartTag("response_grp", $attrs);
$solution = $this->object->getSuggestedSolution(0);
if (count($solution))
{
if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches))
{
$a_xml_writer->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"
);
$a_xml_writer->xmlElement("mattext", $attrs, $intlink);
$a_xml_writer->xmlEndTag("material");
}
}
// shuffle output
$attrs = array();
if ($this->object->getShuffle())
{
$attrs = array(
"shuffle" => "Yes"
);
}
else
{
$attrs = array(
"shuffle" => "No"
);
}
$a_xml_writer->xmlStartTag("render_choice", $attrs);
// add answertext
$matchingtext_orders = array();
foreach ($this->object->getMatchingPairs() as $index => $matchingpair)
{
array_push($matchingtext_orders, $matchingpair->getTermId());
}
// shuffle it
$pkeys = array_keys($this->object->getMatchingPairs());
if ($this->object->getShuffle() && $a_shuffle)
{
$pkeys = $this->object->pcArrayShuffle($pkeys);
}
// add answers
foreach ($pkeys as $index)
{
$matchingpair = $this->object->getMatchingPair($index);
$attrs = array(
"ident" => $matchingpair->getDefinitionId(),
"match_max" => "1",
"match_group" => join($matchingtext_orders, ",")
);
$a_xml_writer->xmlStartTag("response_label", $attrs);
if ($this->object->getMatchingType() == MT_TERMS_PICTURES)
{
$a_xml_writer->xmlStartTag("material");
if ($force_image_references)
{
$attrs = array(
"imagtype" => "image/jpeg",
"label" => $matchingpair->getPicture(),
"uri" => $this->object->getImagePathWeb() . $matchingpair->getPicture()
);
$a_xml_writer->xmlElement("matimage", $attrs);
}
else
{
$imagepath = $this->object->getImagePath() . $matchingpair->getPicture();
$fh = @fopen($imagepath, "rb");
if ($fh != false)
{
$imagefile = fread($fh, filesize($imagepath));
fclose($fh);
$base64 = base64_encode($imagefile);
$attrs = array(
"imagtype" => "image/jpeg",
"label" => $matchingpair->getPicture(),
"embedded" => "base64"
);
$a_xml_writer->xmlElement("matimage", $attrs, $base64, FALSE, FALSE);
}
}
$a_xml_writer->xmlEndTag("material");
}
else
{
$a_xml_writer->xmlStartTag("material");
$this->object->addQTIMaterial($a_xml_writer, $matchingpair->getDefinition(), TRUE, FALSE);
$a_xml_writer->xmlEndTag("material");
}
$a_xml_writer->xmlEndTag("response_label");
}
// shuffle again to get another order for the terms or pictures
if ($this->object->getShuffle() && $a_shuffle)
{
$pkeys = $this->object->pcArrayShuffle($pkeys);
}
// add matchingtext
foreach ($pkeys as $index)
{
$matchingpair = $this->object->getMatchingPair($index);
$attrs = array(
"ident" => $matchingpair->getTermId()
);
$a_xml_writer->xmlStartTag("response_label", $attrs);
$a_xml_writer->xmlStartTag("material");
$attrs = array(
"texttype" => "text/plain"
);
if ($this->object->isHTML($matchingpair->getTerm()))
{
$attrs["texttype"] = "text/xhtml";
}
$a_xml_writer->xmlElement("mattext", $attrs, $matchingpair->getTerm());
$a_xml_writer->xmlEndTag("material");
$a_xml_writer->xmlEndTag("response_label");
}
$a_xml_writer->xmlEndTag("render_choice");
$a_xml_writer->xmlEndTag("response_grp");
$a_xml_writer->xmlEndTag("flow");
$a_xml_writer->xmlEndTag("presentation");
// PART II: qti resprocessing
$a_xml_writer->xmlStartTag("resprocessing");
$a_xml_writer->xmlStartTag("outcomes");
$a_xml_writer->xmlStartTag("decvar");
$a_xml_writer->xmlEndTag("decvar");
$a_xml_writer->xmlEndTag("outcomes");
// add response conditions
foreach ($this->object->getMatchingPairs() as $index => $matchingpair)
{
$attrs = array(
"continue" => "Yes"
);
$a_xml_writer->xmlStartTag("respcondition", $attrs);
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
$attrs = array();
if ($this->object->getMatchingType() == MT_TERMS_PICTURES)
{
$attrs = array(
"respident" => "MQP"
);
}
else
{
$attrs = array(
"respident" => "MQT"
);
}
$a_xml_writer->xmlElement("varsubset", $attrs, $matchingpair->getTermId() . "," . $matchingpair->getDefinitionId());
$a_xml_writer->xmlEndTag("conditionvar");
// qti setvar
$attrs = array(
"action" => "Add"
);
$a_xml_writer->xmlElement("setvar", $attrs, $matchingpair->getPoints());
// qti displayfeedback
$attrs = array(
"feedbacktype" => "Response",
"linkrefid" => "correct_" . $matchingpair->getTermId() . "_" . $matchingpair->getDefinitionId()
);
$a_xml_writer->xmlElement("displayfeedback", $attrs);
$a_xml_writer->xmlEndTag("respcondition");
}
$feedback_allcorrect = $this->object->getFeedbackGeneric(1);
if (strlen($feedback_allcorrect))
{
$attrs = array(
"continue" => "Yes"
);
$a_xml_writer->xmlStartTag("respcondition", $attrs);
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
foreach ($this->object->getMatchingPairs() as $index => $matchingpair)
{
$attrs = array();
if ($this->object->getMatchingType() == MT_TERMS_PICTURES)
{
$attrs = array(
"respident" => "MQP"
);
}
else
{
$attrs = array(
"respident" => "MQT"
);
}
$a_xml_writer->xmlElement("varsubset", $attrs, $matchingpair->getTermId() . "," . $matchingpair->getDefinitionId());
}
$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");
}
$feedback_onenotcorrect = $this->object->getFeedbackGeneric(0);
if (strlen($feedback_onenotcorrect))
{
$attrs = array(
"continue" => "Yes"
);
$a_xml_writer->xmlStartTag("respcondition", $attrs);
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
$a_xml_writer->xmlStartTag("not");
foreach ($this->object->getMatchingPairs() as $index => $matchingpair)
{
$attrs = array();
if ($this->object->getMatchingType() == MT_TERMS_PICTURES)
{
$attrs = array(
"respident" => "MQP"
);
}
else
{
$attrs = array(
"respident" => "MQT"
);
}
$a_xml_writer->xmlElement("varsubset", $attrs, $matchingpair->getTermId() . "," . $matchingpair->getDefinitionId());
}
$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");
}
$a_xml_writer->xmlEndTag("resprocessing");
// PART III: qti itemfeedback
foreach ($this->object->getMatchingPairs() as $index => $matchingpair)
{
$attrs = array(
"ident" => "correct_" . $matchingpair->getTermId() . "_" . $matchingpair->getDefinitionId(),
"view" => "All"
);
$a_xml_writer->xmlStartTag("itemfeedback", $attrs);
// qti flow_mat
$a_xml_writer->xmlStartTag("flow_mat");
$a_xml_writer->xmlStartTag("material");
$a_xml_writer->xmlElement("mattext");
$a_xml_writer->xmlEndTag("material");
$a_xml_writer->xmlEndTag("flow_mat");
$a_xml_writer->xmlEndTag("itemfeedback");
}
if (strlen($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");
}
$a_xml_writer->xmlEndTag("item");
$a_xml_writer->xmlEndTag("questestinterop");
$xml = $a_xml_writer->xmlDumpMem(FALSE);
if (!$a_include_header)
{
$pos = strpos($xml, "?>");
$xml = substr($xml, $pos + 2);
}
return $xml;
}
The documentation for this class was generated from the following file:
- Modules/TestQuestionPool/classes/export/qti12/class.assMatchingQuestionExport.php
