ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
Public Member Functions
assTextSubsetExport Class Reference
Modules/TestQuestionPool

Class for text subset question exports. More...

+ Inheritance diagram for assTextSubsetExport:
+ Collaboration diagram for assTextSubsetExport:

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. More...
 
- Public Member Functions inherited from assQuestionExport
 assQuestionExport (&$a_object)
 assQuestionExport constructor More...
 
 exportFeedbackOnly ($a_xml_writer)
 
 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. More...
 

Additional Inherited Members

- Data Fields inherited from assQuestionExport
 $object
 
- Protected Member Functions inherited from assQuestionExport
 addAnswerSpecificFeedback (ilXmlWriter $a_xml_writer, $answers)
 
 addGenericFeedback (ilXmlWriter $a_xml_writer)
 
 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) More...
 
 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) More...
 
 addGeneralMetadata (ilXmlWriter $xmlwriter)
 

Detailed Description

Class for text subset question exports.

assTextSubsetExport is a class for text subset 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 15 of file class.assTextSubsetExport.php.

Member Function Documentation

◆ toXML()

assTextSubsetExport::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

Definition at line 26 of file class.assTextSubsetExport.php.

References assQuestionExport\addAdditionalContentEditingModeInformation(), assQuestionExport\addGeneralMetadata(), TEXTSUBSET_QUESTION_IDENTIFIER, and ilXmlWriter\xmlHeader().

27  {
28  global $ilias;
29 
30  include_once("./Services/Xml/classes/class.ilXmlWriter.php");
31  $a_xml_writer = new ilXmlWriter;
32  // set xml header
33  $a_xml_writer->xmlHeader();
34  $a_xml_writer->xmlStartTag("questestinterop");
35  $attrs = array(
36  "ident" => "il_".IL_INST_ID."_qst_".$this->object->getId(),
37  "title" => $this->object->getTitle(),
38  "maxattempts" => $this->object->getNrOfTries()
39  );
40  $a_xml_writer->xmlStartTag("item", $attrs);
41  // add question description
42  $a_xml_writer->xmlElement("qticomment", NULL, $this->object->getComment());
43  // add estimated working time
44  $workingtime = $this->object->getEstimatedWorkingTime();
45  $duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
46  $a_xml_writer->xmlElement("duration", NULL, $duration);
47  // add ILIAS specific metadata
48  $a_xml_writer->xmlStartTag("itemmetadata");
49  $a_xml_writer->xmlStartTag("qtimetadata");
50  $a_xml_writer->xmlStartTag("qtimetadatafield");
51  $a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
52  $a_xml_writer->xmlElement("fieldentry", NULL, $ilias->getSetting("ilias_version"));
53  $a_xml_writer->xmlEndTag("qtimetadatafield");
54  $a_xml_writer->xmlStartTag("qtimetadatafield");
55  $a_xml_writer->xmlElement("fieldlabel", NULL, "QUESTIONTYPE");
56  $a_xml_writer->xmlElement("fieldentry", NULL, TEXTSUBSET_QUESTION_IDENTIFIER);
57  $a_xml_writer->xmlEndTag("qtimetadatafield");
58  $a_xml_writer->xmlStartTag("qtimetadatafield");
59  $a_xml_writer->xmlElement("fieldlabel", NULL, "AUTHOR");
60  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getAuthor());
61  $a_xml_writer->xmlEndTag("qtimetadatafield");
62 
63  // additional content editing information
64  $this->addAdditionalContentEditingModeInformation($a_xml_writer);
65  $this->addGeneralMetadata($a_xml_writer);
66 
67  $a_xml_writer->xmlStartTag("qtimetadatafield");
68  $a_xml_writer->xmlElement("fieldlabel", NULL, "textrating");
69  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getTextRating());
70  $a_xml_writer->xmlEndTag("qtimetadatafield");
71  $a_xml_writer->xmlStartTag("qtimetadatafield");
72  $a_xml_writer->xmlElement("fieldlabel", NULL, "correctanswers");
73  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getCorrectAnswers());
74  $a_xml_writer->xmlEndTag("qtimetadatafield");
75  $a_xml_writer->xmlStartTag("qtimetadatafield");
76  $a_xml_writer->xmlElement("fieldlabel", NULL, "points");
77  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getPoints());
78  $a_xml_writer->xmlEndTag("qtimetadatafield");
79  $a_xml_writer->xmlEndTag("qtimetadata");
80  $a_xml_writer->xmlEndTag("itemmetadata");
81 
82  // PART I: qti presentation
83  $attrs = array(
84  "label" => $this->object->getTitle()
85  );
86  $a_xml_writer->xmlStartTag("presentation", $attrs);
87  // add flow to presentation
88  $a_xml_writer->xmlStartTag("flow");
89  // add material with question text to presentation
90  $this->object->addQTIMaterial($a_xml_writer, $this->object->getQuestion());
91  // add answers to presentation
92  for ($counter = 1; $counter <= $this->object->getCorrectAnswers(); $counter++)
93  {
94  $attrs = array(
95  "ident" => "TEXTSUBSET_" . sprintf("%02d", $counter),
96  "rcardinality" => "Single"
97  );
98  $a_xml_writer->xmlStartTag("response_str", $attrs);
99  $solution = $this->object->getSuggestedSolution(0);
100  if (count($solution))
101  {
102  if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches))
103  {
104  $a_xml_writer->xmlStartTag("material");
105  $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
106  if (strcmp($matches[1], "") != 0)
107  {
108  $intlink = $solution["internal_link"];
109  }
110  $attrs = array(
111  "label" => "suggested_solution"
112  );
113  $a_xml_writer->xmlElement("mattext", $attrs, $intlink);
114  $a_xml_writer->xmlEndTag("material");
115  }
116  }
117  // shuffle output
118  $attrs = array(
119  "fibtype" => "String",
120  "columns" => $this->object->getMaxTextboxWidth()
121  );
122  $a_xml_writer->xmlStartTag("render_fib", $attrs);
123  $a_xml_writer->xmlEndTag("render_fib");
124  $a_xml_writer->xmlEndTag("response_str");
125  }
126 
127  $a_xml_writer->xmlEndTag("flow");
128  $a_xml_writer->xmlEndTag("presentation");
129 
130  // PART II: qti resprocessing
131  $a_xml_writer->xmlStartTag("resprocessing");
132  $a_xml_writer->xmlStartTag("outcomes");
133  $a_xml_writer->xmlStartTag("decvar");
134  $a_xml_writer->xmlEndTag("decvar");
135  $attribs = array(
136  "varname" => "matches",
137  "defaultval" => "0"
138  );
139  $a_xml_writer->xmlElement("decvar", $attribs, NULL);
140  $a_xml_writer->xmlEndTag("outcomes");
141  // add response conditions
142  for ($counter = 1; $counter <= $this->object->getCorrectAnswers(); $counter++)
143  {
144  $scoregroups =& $this->object->joinAnswers();
145  foreach ($scoregroups as $points => $scoreanswers)
146  {
147  $attrs = array(
148  "continue" => "Yes"
149  );
150  $a_xml_writer->xmlStartTag("respcondition", $attrs);
151  // qti conditionvar
152  $a_xml_writer->xmlStartTag("conditionvar");
153  $attrs = array(
154  "respident" => "TEXTSUBSET_" . sprintf("%02d", $counter)
155  );
156  $a_xml_writer->xmlElement("varsubset", $attrs, join(",", $scoreanswers));
157  $a_xml_writer->xmlEndTag("conditionvar");
158  // qti setvar
159  $attrs = array(
160  "varname" => "matches",
161  "action" => "Add"
162  );
163  $a_xml_writer->xmlElement("setvar", $attrs, $points);
164  // qti displayfeedback
165  $attrs = array(
166  "feedbacktype" => "Response",
167  "linkrefid" => "Matches_" . sprintf("%02d", $counter)
168  );
169  $a_xml_writer->xmlElement("displayfeedback", $attrs);
170  $a_xml_writer->xmlEndTag("respcondition");
171  }
172  }
173 
174  $feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
175  $this->object->getId(), true
176  );
177  $feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
178  $this->object->getId(), false
179  );
180  if (strlen($feedback_allcorrect . $feedback_onenotcorrect))
181  {
182  if (strlen($feedback_allcorrect))
183  {
184  $attrs = array(
185  "continue" => "Yes"
186  );
187  $a_xml_writer->xmlStartTag("respcondition", $attrs);
188  // qti conditionvar
189  $a_xml_writer->xmlStartTag("conditionvar");
190  $attrs = array(
191  "respident" => "points"
192  );
193  $a_xml_writer->xmlElement("varsubset", $attrs, $this->object->getMaximumPoints());
194  $a_xml_writer->xmlEndTag("conditionvar");
195  // qti displayfeedback
196  $attrs = array(
197  "feedbacktype" => "Response",
198  "linkrefid" => "response_allcorrect"
199  );
200  $a_xml_writer->xmlElement("displayfeedback", $attrs);
201  $a_xml_writer->xmlEndTag("respcondition");
202  }
203 
204  if (strlen($feedback_onenotcorrect))
205  {
206  $attrs = array(
207  "continue" => "Yes"
208  );
209  $a_xml_writer->xmlStartTag("respcondition", $attrs);
210  // qti conditionvar
211  $a_xml_writer->xmlStartTag("conditionvar");
212  $a_xml_writer->xmlStartTag("not");
213 
214  $attrs = array(
215  "respident" => "points"
216  );
217  $a_xml_writer->xmlElement("varsubset", $attrs, $this->object->getMaximumPoints());
218 
219  $a_xml_writer->xmlEndTag("not");
220  $a_xml_writer->xmlEndTag("conditionvar");
221  // qti displayfeedback
222  $attrs = array(
223  "feedbacktype" => "Response",
224  "linkrefid" => "response_onenotcorrect"
225  );
226  $a_xml_writer->xmlElement("displayfeedback", $attrs);
227  $a_xml_writer->xmlEndTag("respcondition");
228  }
229  }
230 
231  $a_xml_writer->xmlEndTag("resprocessing");
232 
233  // PART III: qti itemfeedback
234  for ($counter = 1; $counter <= $this->object->getCorrectAnswers(); $counter++)
235  {
236  $attrs = array(
237  "ident" => "Matches_" . sprintf("%02d", $counter),
238  "view" => "All"
239  );
240  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
241  // qti flow_mat
242  $a_xml_writer->xmlStartTag("flow_mat");
243  $a_xml_writer->xmlStartTag("material");
244  $a_xml_writer->xmlElement("mattext");
245  $a_xml_writer->xmlEndTag("material");
246  $a_xml_writer->xmlEndTag("flow_mat");
247  $a_xml_writer->xmlEndTag("itemfeedback");
248  }
249 
250  if (strlen($feedback_allcorrect))
251  {
252  $attrs = array(
253  "ident" => "response_allcorrect",
254  "view" => "All"
255  );
256  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
257  // qti flow_mat
258  $a_xml_writer->xmlStartTag("flow_mat");
259  $this->object->addQTIMaterial($a_xml_writer, $feedback_allcorrect);
260  $a_xml_writer->xmlEndTag("flow_mat");
261  $a_xml_writer->xmlEndTag("itemfeedback");
262  }
263  if (strlen($feedback_onenotcorrect))
264  {
265  $attrs = array(
266  "ident" => "response_onenotcorrect",
267  "view" => "All"
268  );
269  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
270  // qti flow_mat
271  $a_xml_writer->xmlStartTag("flow_mat");
272  $this->object->addQTIMaterial($a_xml_writer, $feedback_onenotcorrect);
273  $a_xml_writer->xmlEndTag("flow_mat");
274  $a_xml_writer->xmlEndTag("itemfeedback");
275  }
276 
277  $a_xml_writer->xmlEndTag("item");
278  $a_xml_writer->xmlEndTag("questestinterop");
279 
280  $xml = $a_xml_writer->xmlDumpMem(FALSE);
281  if (!$a_include_header)
282  {
283  $pos = strpos($xml, "?>");
284  $xml = substr($xml, $pos + 2);
285  }
286  return $xml;
287  }
TEXTSUBSET_QUESTION_IDENTIFIER
const TEXTSUBSET_QUESTION_IDENTIFIER
Definition: inc.AssessmentConstants.php:38
ilXmlWriter
XML writer class.
Definition: class.ilXmlWriter.php:17
assQuestionExport\addGeneralMetadata
addGeneralMetadata(ilXmlWriter $xmlwriter)
Definition: class.assQuestionExport.php:210
ilXmlWriter\xmlHeader
xmlHeader()
Writes xml header public.
Definition: class.ilXmlWriter.php:297
assQuestionExport\addAdditionalContentEditingModeInformation
addAdditionalContentEditingModeInformation(ilXmlWriter $a_xml_writer)
adds a qti meta data field for ilias specific information of "additional content editing mode" (xml w...
Definition: class.assQuestionExport.php:200
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