ILIAS  Release_4_1_x_branch Revision 61804
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Public Member Functions
assTextQuestionExport Class Reference
Modules/TestQuestionPool

Class for essay question exports. More...

+ Inheritance diagram for assTextQuestionExport:
+ Collaboration diagram for assTextQuestionExport:

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)

Additional Inherited Members

- Data Fields inherited from assQuestionExport
 $object

Detailed Description

Class for essay question exports.

assTextQuestionExport is a class for essay question exports

Author
Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m
Version
$Id$

Definition at line 35 of file class.assTextQuestionExport.php.

Member Function Documentation

assTextQuestionExport::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.assTextQuestionExport.php.

References TEXT_QUESTION_IDENTIFIER, and ilXmlWriter\xmlHeader().

{
global $ilias;
include_once("./Services/Xml/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(),
"maxattempts" => $this->object->getNrOfTries()
);
$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, TEXT_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, "textrating");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getTextRating());
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "keywords");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getKeywords());
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "matchcondition");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->object->matchcondition);
$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 information on response rendering
$attrs = array(
"ident" => "TEXT",
"rcardinality" => "Ordered"
);
$a_xml_writer->xmlStartTag("response_str", $attrs);
$attrs = array(
"fibtype" => "String",
"prompt" => "Box"
);
if ($this->object->getMaxNumOfChars() > 0)
{
$attrs["maxchars"] = $this->object->getMaxNumOfChars();
}
$a_xml_writer->xmlStartTag("render_fib", $attrs);
$attrs = array(
"ident" => "A"
);
$a_xml_writer->xmlStartTag("response_label", $attrs);
$a_xml_writer->xmlEndTag("response_label");
$a_xml_writer->xmlEndTag("render_fib");
$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");
}
}
$a_xml_writer->xmlEndTag("response_str");
$a_xml_writer->xmlEndTag("flow");
$a_xml_writer->xmlEndTag("presentation");
// PART II: qti resprocessing
$attrs = array(
"scoremodel" => "HumanRater"
);
$a_xml_writer->xmlStartTag("resprocessing", $attrs);
$a_xml_writer->xmlStartTag("outcomes");
$attrs = array(
"varname" => "WritingScore",
"vartype" => "Integer",
"minvalue" => "0",
"maxvalue" => $this->object->getPoints()
);
$a_xml_writer->xmlStartTag("decvar", $attrs);
$a_xml_writer->xmlEndTag("decvar");
$a_xml_writer->xmlEndTag("outcomes");
$feedback_allcorrect = $this->object->getFeedbackGeneric(1);
$feedback_onenotcorrect = $this->object->getFeedbackGeneric(0);
if (strlen($feedback_allcorrect . $feedback_onenotcorrect))
{
if (strlen($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->xmlStartTag("respcondition");
$a_xml_writer->xmlStartTag("conditionvar");
$a_xml_writer->xmlElement("other", NULL, "tutor_rated");
$a_xml_writer->xmlEndTag("conditionvar");
$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");
}
$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;
}

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