ILIAS  Release_4_4_x_branch Revision 61816
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Public Member Functions
assOrderingQuestionExport Class Reference
Modules/TestQuestionPool

Class for ordering question exports. More...

+ Inheritance diagram for assOrderingQuestionExport:
+ Collaboration diagram for assOrderingQuestionExport:

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
- 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

Class for ordering question exports.

assOrderingQuestionExport is a class for ordering 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:
class.assOrderingQuestionExport.php 46451 2013-11-27 16:34:46Z mbecker

Definition at line 15 of file class.assOrderingQuestionExport.php.

Member Function Documentation

assOrderingQuestionExport::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 26 of file class.assOrderingQuestionExport.php.

References $ilUser, assQuestionExport\addAdditionalContentEditingModeInformation(), assQuestionExport\addGeneralMetadata(), OQ_NESTED_PICTURES, OQ_NESTED_TERMS, OQ_PICTURES, OQ_TERMS, ORDERING_QUESTION_IDENTIFIER, OUTPUT_JAVASCRIPT, and ilXmlWriter\xmlHeader().

{
global $ilDB;
global $ilUser;
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, ORDERING_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");
// additional content editing information
$this->addAdditionalContentEditingModeInformation($a_xml_writer);
$this->addGeneralMetadata($a_xml_writer);
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "thumb_geometry");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getThumbGeometry());
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "element_height");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getElementHeight());
$a_xml_writer->xmlEndTag("qtimetadatafield");
$a_xml_writer->xmlStartTag("qtimetadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "points");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getPoints());
$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->getOrderingType() == OQ_PICTURES)
$ordering_type ='OQP';
else if($this->object->getOrderingType() == OQ_NESTED_PICTURES)
$ordering_type ='OQNP';
else if($this->object->getOrderingType() == OQ_NESTED_TERMS)
$ordering_type ='OQNT';
else if($this->object->getOrderingType() == OQ_TERMS)
$ordering_type ='OQT';
$attrs = array(
"ident" => $ordering_type,
"rcardinality" => "Ordered"
);
if ($this->object->getOutputType() == OUTPUT_JAVASCRIPT)
{
$attrs["output"] = "javascript";
}
$a_xml_writer->xmlStartTag("response_lid", $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);
// shuffle
$akeys = array_keys($this->object->getAnswers());
if ($this->object->getShuffle() && $a_shuffle)
{
$akeys = $this->object->pcArrayShuffle($akeys);
}
// add answers
foreach ($akeys as $index)
{
$answer = $this->object->getAnswer($index);
$attrs = array(
"ident" => $index
);
$a_xml_writer->xmlStartTag("response_label", $attrs);
if ($this->object->getOrderingType() == OQ_PICTURES
|| $this->object->getOrderingType() == OQ_NESTED_PICTURES)
{
$imagetype = "image/jpeg";
$a_xml_writer->xmlStartTag("material");
if ($force_image_references)
{
$attrs = array(
"imagtype" => $imagetype,
"label" => $answer->getAnswertext(),
"uri" => $this->object->getImagePathWeb() . $answer->getAnswertext()
);
$a_xml_writer->xmlElement("matimage", $attrs);
}
else
{
$imagepath = $this->object->getImagePath() . $answer->getAnswertext();
$fh = @fopen($imagepath, "rb");
if ($fh != false)
{
$imagefile = fread($fh, filesize($imagepath));
fclose($fh);
$base64 = base64_encode($imagefile);
if (preg_match("/.*\.(png|gif)$/", $answer->getAnswertext(), $matches))
{
$imagetype = "image/".$matches[1];
}
$attrs = array(
"imagtype" => $imagetype,
"label" => $answer->getAnswertext(),
"embedded" => "base64"
);
$a_xml_writer->xmlElement("matimage", $attrs, $base64, FALSE, FALSE);
}
}
$a_xml_writer->xmlEndTag("material");
}
else if ($this->object->getOrderingType() == OQ_TERMS
|| $this->object->getOrderingType() == OQ_NESTED_TERMS)
{
$a_xml_writer->xmlStartTag("material");
$this->object->addQTIMaterial($a_xml_writer, $answer->getAnswertext(), TRUE, FALSE);
$a_xml_writer->xmlEndTag("material");
$a_xml_writer->xmlStartTag("material");
if ($this->object->getOldLeveledOrdering())
{
$attrs = array(
"label" => "answerdepth"
);
$a_xml_writer->xmlElement("mattext", $attrs, $answer->getOrderingDepth());
}
$a_xml_writer->xmlEndTag("material");
}
$a_xml_writer->xmlEndTag("response_label");
}
$a_xml_writer->xmlEndTag("render_choice");
$a_xml_writer->xmlEndTag("response_lid");
$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->getAnswers() as $index => $answer)
{
$attrs = array(
"continue" => "Yes"
);
$a_xml_writer->xmlStartTag("respcondition", $attrs);
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
$attrs = array();
if ($this->object->getOrderingType() == OQ_PICTURES)
$ordering_type ='OQP';
else if($this->object->getOrderingType() == OQ_NESTED_PICTURES)
$ordering_type ='OQNP';
else if($this->object->getOrderingType() == OQ_NESTED_TERMS)
$ordering_type ='OQNT';
else if($this->object->getOrderingType() == OQ_TERMS)
$ordering_type ='OQT';
$attrs = array("respident" => $ordering_type);
$attrs["index"] = $index;
$a_xml_writer->xmlElement("varequal", $attrs, $index);
$a_xml_writer->xmlEndTag("conditionvar");
// qti setvar
$attrs = array(
"action" => "Add"
);
$a_xml_writer->xmlElement("setvar", $attrs, $this->object->getPoints() / count($this->object->getAnswers()));
// qti displayfeedback
$attrs = array(
"feedbacktype" => "Response",
"linkrefid" => "link_$index"
);
$a_xml_writer->xmlElement("displayfeedback", $attrs);
$a_xml_writer->xmlEndTag("respcondition");
}
$feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
$this->object->getId(), true
);
if (strlen($feedback_allcorrect))
{
$attrs = array(
"continue" => "Yes"
);
$a_xml_writer->xmlStartTag("respcondition", $attrs);
// qti conditionvar
$a_xml_writer->xmlStartTag("conditionvar");
foreach ($this->object->getAnswers() as $index => $answer)
{
$attrs = array();
if ($this->object->getOrderingType() == OQ_PICTURES)
$ordering_type ='OQP';
else if($this->object->getOrderingType() == OQ_NESTED_PICTURES)
$ordering_type ='OQNP';
else if($this->object->getOrderingType() == OQ_NESTED_TERMS)
$ordering_type ='OQNT';
else if($this->object->getOrderingType() == OQ_TERMS)
$ordering_type ='OQT';
$attrs = array("respident" => $ordering_type);
$attrs["index"] = $index;
$a_xml_writer->xmlElement("varequal", $attrs, $index);
}
$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->feedbackOBJ->getGenericFeedbackExportPresentation(
$this->object->getId(), false
);
if (strlen($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->getAnswers() as $index => $answer)
{
$attrs = array();
if ($this->object->getOrderingType() == OQ_PICTURES)
$ordering_type ='OQP';
else if($this->object->getOrderingType() == OQ_NESTED_PICTURES)
$ordering_type ='OQNP';
else if($this->object->getOrderingType() == OQ_NESTED_TERMS)
$ordering_type ='OQNT';
else if($this->object->getOrderingType() == OQ_TERMS)
$ordering_type ='OQT';
$attrs = array("respident" => $ordering_type);
$attrs["index"] = $index;
$a_xml_writer->xmlElement("varequal", $attrs, $index);
}
$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->getAnswers() as $index => $answer)
{
$attrs = array(
"ident" => "link_$index",
"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;
}

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