ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5
class.assFlashQuestionExport.php
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1 <?php
2 /* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
3 
4 include_once "./Modules/TestQuestionPool/classes/export/qti12/class.assQuestionExport.php";
5 
14 {
24  function toXML($a_include_header = true, $a_include_binary = true, $a_shuffle = false, $test_output = false, $force_image_references = false)
25  {
26  global $ilias;
27 
28  include_once("./Services/Xml/classes/class.ilXmlWriter.php");
29  $a_xml_writer = new ilXmlWriter;
30  // set xml header
31  $a_xml_writer->xmlHeader();
32  $a_xml_writer->xmlStartTag("questestinterop");
33  $attrs = array(
34  "ident" => "il_".IL_INST_ID."_qst_".$this->object->getId(),
35  "title" => $this->object->getTitle(),
36  "maxattempts" => $this->object->getNrOfTries()
37  );
38  $a_xml_writer->xmlStartTag("item", $attrs);
39  // add question description
40  $a_xml_writer->xmlElement("qticomment", NULL, $this->object->getComment());
41  // add estimated working time
42  $workingtime = $this->object->getEstimatedWorkingTime();
43  $duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
44  $a_xml_writer->xmlElement("duration", NULL, $duration);
45  // add ILIAS specific metadata
46  $a_xml_writer->xmlStartTag("itemmetadata");
47  $a_xml_writer->xmlStartTag("qtimetadata");
48  $a_xml_writer->xmlStartTag("qtimetadatafield");
49  $a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
50  $a_xml_writer->xmlElement("fieldentry", NULL, $ilias->getSetting("ilias_version"));
51  $a_xml_writer->xmlEndTag("qtimetadatafield");
52  $a_xml_writer->xmlStartTag("qtimetadatafield");
53  $a_xml_writer->xmlElement("fieldlabel", NULL, "QUESTIONTYPE");
54  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getQuestionType());
55  $a_xml_writer->xmlEndTag("qtimetadatafield");
56  $a_xml_writer->xmlStartTag("qtimetadatafield");
57  $a_xml_writer->xmlElement("fieldlabel", NULL, "AUTHOR");
58  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getAuthor());
59  $a_xml_writer->xmlEndTag("qtimetadatafield");
60 
61  // additional content editing information
62  $this->addAdditionalContentEditingModeInformation($a_xml_writer);
63  $this->addGeneralMetadata($a_xml_writer);
64 
65  $a_xml_writer->xmlStartTag("qtimetadatafield");
66  $a_xml_writer->xmlElement("fieldlabel", NULL, "points");
67  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getPoints());
68  $a_xml_writer->xmlEndTag("qtimetadatafield");
69  $a_xml_writer->xmlStartTag("qtimetadatafield");
70  $a_xml_writer->xmlElement("fieldlabel", NULL, "width");
71  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getWidth());
72  $a_xml_writer->xmlEndTag("qtimetadatafield");
73  $a_xml_writer->xmlStartTag("qtimetadatafield");
74  $a_xml_writer->xmlElement("fieldlabel", NULL, "height");
75  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getHeight());
76  $a_xml_writer->xmlEndTag("qtimetadatafield");
77  $a_xml_writer->xmlStartTag("qtimetadatafield");
78  $a_xml_writer->xmlElement("fieldlabel", NULL, "applet");
79  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getApplet());
80  $a_xml_writer->xmlEndTag("qtimetadatafield");
81  $a_xml_writer->xmlStartTag("qtimetadatafield");
82  $a_xml_writer->xmlElement("fieldlabel", NULL, "swf");
83  $flashpath = $this->object->getFlashPath() . $this->object->getApplet();
84  $fh = @fopen($flashpath, "rb");
85  $base64 = "";
86  if ($fh != FALSE)
87  {
88  $flashfile = fread($fh, filesize($flashpath));
89  fclose($fh);
90  $base64 = base64_encode($flashfile);
91  }
92  $a_xml_writer->xmlElement("fieldentry", NULL, $base64);
93  $a_xml_writer->xmlEndTag("qtimetadatafield");
94  $a_xml_writer->xmlStartTag("qtimetadatafield");
95  $a_xml_writer->xmlElement("fieldlabel", NULL, "params");
96  $a_xml_writer->xmlElement("fieldentry", NULL, serialize($this->object->getParameters()));
97  $a_xml_writer->xmlEndTag("qtimetadatafield");
98  $a_xml_writer->xmlEndTag("qtimetadata");
99  $a_xml_writer->xmlEndTag("itemmetadata");
100 
101  // PART I: qti presentation
102  $attrs = array(
103  "label" => $this->object->getTitle()
104  );
105  $a_xml_writer->xmlStartTag("presentation", $attrs);
106  // add flow to presentation
107  $a_xml_writer->xmlStartTag("flow");
108  // add material with question text to presentation
109  $this->object->addQTIMaterial($a_xml_writer, $this->object->getQuestion());
110  // add answers to presentation
111  $a_xml_writer->xmlEndTag("flow");
112  $a_xml_writer->xmlEndTag("presentation");
113 
114  $this->exportFeedbackOnly($a_xml_writer);
115 
116  $a_xml_writer->xmlEndTag("item");
117  $a_xml_writer->xmlEndTag("questestinterop");
118 
119  $xml = $a_xml_writer->xmlDumpMem(FALSE);
120  if (!$a_include_header)
121  {
122  $pos = strpos($xml, "?>");
123  $xml = substr($xml, $pos + 2);
124  }
125  return $xml;
126  }
127 
128 }
129 
130 ?>
exportFeedbackOnly($a_xml_writer)
XML writer class.
Class for question exports.
addGeneralMetadata(ilXmlWriter $xmlwriter)
Class for flash question exports.
xmlHeader()
Writes xml header public.
addAdditionalContentEditingModeInformation(ilXmlWriter $a_xml_writer)
adds a qti meta data field for ilias specific information of "additional content editing mode" (xml w...
toXML($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.