ILIAS  release_5-4 Revision v5.4.26-12-gabc799a52e6
assOrderingQuestionExport Class Reference

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. More...
 
- Public Member Functions inherited from assQuestionExport
 __construct ($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...
 

Data Fields

 $object
 
- Data Fields inherited from assQuestionExport
 $object
 

Additional Inherited Members

- 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 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
$Id$

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

Member Function Documentation

◆ toXML()

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

Definition at line 31 of file class.assOrderingQuestionExport.php.

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

32  {
33  global $DIC;
34  $ilDB = $DIC['ilDB'];
35  $ilUser = $DIC['ilUser'];
36  $ilias = $DIC['ilias'];
37 
38  include_once("./Services/Xml/classes/class.ilXmlWriter.php");
39  $a_xml_writer = new ilXmlWriter;
40  // set xml header
41  $a_xml_writer->xmlHeader();
42  $a_xml_writer->xmlStartTag("questestinterop");
43  $attrs = array(
44  "ident" => "il_" . IL_INST_ID . "_qst_" . $this->object->getId(),
45  "title" => $this->object->getTitle(),
46  "maxattempts" => $this->object->getNrOfTries()
47  );
48  $a_xml_writer->xmlStartTag("item", $attrs);
49  // add question description
50  $a_xml_writer->xmlElement("qticomment", null, $this->object->getComment());
51  // add estimated working time
52  $workingtime = $this->object->getEstimatedWorkingTime();
53  $duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
54  $a_xml_writer->xmlElement("duration", null, $duration);
55  // add ILIAS specific metadata
56  $a_xml_writer->xmlStartTag("itemmetadata");
57  $a_xml_writer->xmlStartTag("qtimetadata");
58  $a_xml_writer->xmlStartTag("qtimetadatafield");
59  $a_xml_writer->xmlElement("fieldlabel", null, "ILIAS_VERSION");
60  $a_xml_writer->xmlElement("fieldentry", null, $ilias->getSetting("ilias_version"));
61  $a_xml_writer->xmlEndTag("qtimetadatafield");
62  $a_xml_writer->xmlStartTag("qtimetadatafield");
63  $a_xml_writer->xmlElement("fieldlabel", null, "QUESTIONTYPE");
64  $a_xml_writer->xmlElement("fieldentry", null, ORDERING_QUESTION_IDENTIFIER);
65  $a_xml_writer->xmlEndTag("qtimetadatafield");
66  $a_xml_writer->xmlStartTag("qtimetadatafield");
67  $a_xml_writer->xmlElement("fieldlabel", null, "AUTHOR");
68  $a_xml_writer->xmlElement("fieldentry", null, $this->object->getAuthor());
69  $a_xml_writer->xmlEndTag("qtimetadatafield");
70 
71  // additional content editing information
72  $this->addAdditionalContentEditingModeInformation($a_xml_writer);
73  $this->addGeneralMetadata($a_xml_writer);
74 
75  $a_xml_writer->xmlStartTag("qtimetadatafield");
76  $a_xml_writer->xmlElement("fieldlabel", null, "thumb_geometry");
77  $a_xml_writer->xmlElement("fieldentry", null, $this->object->getThumbGeometry());
78  $a_xml_writer->xmlEndTag("qtimetadatafield");
79  $a_xml_writer->xmlStartTag("qtimetadatafield");
80  $a_xml_writer->xmlElement("fieldlabel", null, "element_height");
81  $a_xml_writer->xmlElement("fieldentry", null, $this->object->getElementHeight());
82  $a_xml_writer->xmlEndTag("qtimetadatafield");
83  $a_xml_writer->xmlStartTag("qtimetadatafield");
84  $a_xml_writer->xmlElement("fieldlabel", null, "points");
85  $a_xml_writer->xmlElement("fieldentry", null, $this->object->getPoints());
86  $a_xml_writer->xmlEndTag("qtimetadatafield");
87  $a_xml_writer->xmlEndTag("qtimetadata");
88  $a_xml_writer->xmlEndTag("itemmetadata");
89 
90  // PART I: qti presentation
91  $attrs = array(
92  "label" => $this->object->getTitle()
93  );
94  $a_xml_writer->xmlStartTag("presentation", $attrs);
95  // add flow to presentation
96  $a_xml_writer->xmlStartTag("flow");
97  // add material with question text to presentation
98  $this->object->addQTIMaterial($a_xml_writer, $this->object->getQuestion());
99  // add answers to presentation
100  $attrs = array();
101 
102  if ($this->object->getOrderingType() == OQ_PICTURES) {
103  $ordering_type = 'OQP';
104  } elseif ($this->object->getOrderingType() == OQ_NESTED_PICTURES) {
105  $ordering_type = 'OQNP';
106  } elseif ($this->object->getOrderingType() == OQ_NESTED_TERMS) {
107  $ordering_type = 'OQNT';
108  } elseif ($this->object->getOrderingType() == OQ_TERMS) {
109  $ordering_type = 'OQT';
110  }
111 
112  $attrs = array(
113  "ident" => $ordering_type,
114  "rcardinality" => "Ordered"
115  );
116 
117  if ($this->object->getOutputType() == OUTPUT_JAVASCRIPT) {
118  $attrs["output"] = "javascript";
119  }
120  $a_xml_writer->xmlStartTag("response_lid", $attrs);
121  $solution = $this->object->getSuggestedSolution(0);
122  if (count($solution)) {
123  if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches)) {
124  $a_xml_writer->xmlStartTag("material");
125  $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
126  if (strcmp($matches[1], "") != 0) {
127  $intlink = $solution["internal_link"];
128  }
129  $attrs = array(
130  "label" => "suggested_solution"
131  );
132  $a_xml_writer->xmlElement("mattext", $attrs, $intlink);
133  $a_xml_writer->xmlEndTag("material");
134  }
135  }
136  // shuffle output
137  $attrs = array();
138  if ($this->object->getShuffle()) {
139  $attrs = array(
140  "shuffle" => "Yes"
141  );
142  } else {
143  $attrs = array(
144  "shuffle" => "No"
145  );
146  }
147  $a_xml_writer->xmlStartTag("render_choice", $attrs);
148 
149  // add answers
150  foreach ($this->object->getOrderingElementList() as $element) {
151  $attrs = array(
152  'ident' => $element->getExportIdent()
153  );
154  $a_xml_writer->xmlStartTag("response_label", $attrs);
155  if ($this->object->getOrderingType() == OQ_PICTURES
156  || $this->object->getOrderingType() == OQ_NESTED_PICTURES) {
157  $imagetype = "image/jpeg";
158 
159  $a_xml_writer->xmlStartTag("material");
160  if ($force_image_references) {
161  $attrs = array(
162  "imagtype" => $imagetype,
163  "label" => $element->getContent(),
164  "uri" => $this->object->getImagePathWeb() . $element->getContent()
165  );
166  $a_xml_writer->xmlElement("matimage", $attrs);
167  } else {
168  $imagepath = $this->object->getImagePath() . $element->getContent();
169  $fh = @fopen($imagepath, "rb");
170  if ($fh != false) {
171  $imagefile = fread($fh, filesize($imagepath));
172  fclose($fh);
173  $base64 = base64_encode($imagefile);
174 
175  if (preg_match("/.*\.(png|gif)$/", $element->getContent(), $matches)) {
176  $imagetype = "image/" . $matches[1];
177  }
178  $attrs = array(
179  "imagtype" => $imagetype,
180  "label" => $element->getContent(),
181  "embedded" => "base64"
182  );
183  $a_xml_writer->xmlElement("matimage", $attrs, $base64, false, false);
184  }
185  }
186  $a_xml_writer->xmlEndTag("material");
187  } elseif ($this->object->getOrderingType() == OQ_TERMS
188  || $this->object->getOrderingType() == OQ_NESTED_TERMS) {
189  $a_xml_writer->xmlStartTag("material");
190  $this->object->addQTIMaterial($a_xml_writer, $element->getContent(), true, false);
191  $a_xml_writer->xmlEndTag("material");
192  $a_xml_writer->xmlStartTag("material");
193  $attrs = array("label" => "answerdepth");
194  $a_xml_writer->xmlElement("mattext", $attrs, $element->getIndentation());
195  $a_xml_writer->xmlEndTag("material");
196  }
197  $a_xml_writer->xmlEndTag("response_label");
198  }
199  $a_xml_writer->xmlEndTag("render_choice");
200  $a_xml_writer->xmlEndTag("response_lid");
201  $a_xml_writer->xmlEndTag("flow");
202  $a_xml_writer->xmlEndTag("presentation");
203 
204  // PART II: qti resprocessing
205  $a_xml_writer->xmlStartTag("resprocessing");
206  $a_xml_writer->xmlStartTag("outcomes");
207  $a_xml_writer->xmlStartTag("decvar");
208  $a_xml_writer->xmlEndTag("decvar");
209  $a_xml_writer->xmlEndTag("outcomes");
210  // add response conditions
211  foreach ($this->object->getOrderingElementList() as $element) {
212  $attrs = array(
213  "continue" => "Yes"
214  );
215  $a_xml_writer->xmlStartTag("respcondition", $attrs);
216  // qti conditionvar
217  $a_xml_writer->xmlStartTag("conditionvar");
218  $attrs = array();
219 
220  if ($this->object->getOrderingType() == OQ_PICTURES) {
221  $ordering_type = 'OQP';
222  } elseif ($this->object->getOrderingType() == OQ_NESTED_PICTURES) {
223  $ordering_type = 'OQNP';
224  } elseif ($this->object->getOrderingType() == OQ_NESTED_TERMS) {
225  $ordering_type = 'OQNT';
226  } elseif ($this->object->getOrderingType() == OQ_TERMS) {
227  $ordering_type = 'OQT';
228  }
229 
230  $attrs = array("respident" => $ordering_type);
231 
232  $attrs["index"] = $element->getPosition();
233  $a_xml_writer->xmlElement("varequal", $attrs, $element->getPosition());
234  $a_xml_writer->xmlEndTag("conditionvar");
235  // qti setvar
236  $attrs = array(
237  "action" => "Add"
238  );
239  $points = $this->object->getPoints() / $this->object->getOrderingElementList()->countElements();
240  $a_xml_writer->xmlElement("setvar", $attrs, $points);
241  // qti displayfeedback
242  $attrs = array(
243  "feedbacktype" => "Response",
244  "linkrefid" => "link_" . $element->getPosition()
245  );
246  $a_xml_writer->xmlElement("displayfeedback", $attrs);
247  $a_xml_writer->xmlEndTag("respcondition");
248  }
249 
250  $feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
251  $this->object->getId(),
252  true
253  );
254  if (strlen($feedback_allcorrect)) {
255  $attrs = array(
256  "continue" => "Yes"
257  );
258  $a_xml_writer->xmlStartTag("respcondition", $attrs);
259  // qti conditionvar
260  $a_xml_writer->xmlStartTag("conditionvar");
261 
262  foreach ($this->object->getOrderingElementList() as $element) {
263  $attrs = array();
264 
265  if ($this->object->getOrderingType() == OQ_PICTURES) {
266  $ordering_type = 'OQP';
267  } elseif ($this->object->getOrderingType() == OQ_NESTED_PICTURES) {
268  $ordering_type = 'OQNP';
269  } elseif ($this->object->getOrderingType() == OQ_NESTED_TERMS) {
270  $ordering_type = 'OQNT';
271  } elseif ($this->object->getOrderingType() == OQ_TERMS) {
272  $ordering_type = 'OQT';
273  }
274 
275  $attrs = array("respident" => $ordering_type);
276 
277  $attrs["index"] = $element->getPosition();
278  $a_xml_writer->xmlElement("varequal", $attrs, $element->getPosition());
279  }
280 
281  $a_xml_writer->xmlEndTag("conditionvar");
282  // qti displayfeedback
283  $attrs = array(
284  "feedbacktype" => "Response",
285  "linkrefid" => "response_allcorrect"
286  );
287  $a_xml_writer->xmlElement("displayfeedback", $attrs);
288  $a_xml_writer->xmlEndTag("respcondition");
289  }
290 
291  $feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
292  $this->object->getId(),
293  false
294  );
295  if (strlen($feedback_onenotcorrect)) {
296  $attrs = array(
297  "continue" => "Yes"
298  );
299  $a_xml_writer->xmlStartTag("respcondition", $attrs);
300  // qti conditionvar
301  $a_xml_writer->xmlStartTag("conditionvar");
302  $a_xml_writer->xmlStartTag("not");
303 
304  foreach ($this->object->getOrderingElementList() as $element) {
305  $attrs = array();
306  if ($this->object->getOrderingType() == OQ_PICTURES) {
307  $ordering_type = 'OQP';
308  } elseif ($this->object->getOrderingType() == OQ_NESTED_PICTURES) {
309  $ordering_type = 'OQNP';
310  } elseif ($this->object->getOrderingType() == OQ_NESTED_TERMS) {
311  $ordering_type = 'OQNT';
312  } elseif ($this->object->getOrderingType() == OQ_TERMS) {
313  $ordering_type = 'OQT';
314  }
315 
316  $attrs = array("respident" => $ordering_type);
317 
318  $attrs["index"] = $element->getPosition();
319  $a_xml_writer->xmlElement("varequal", $attrs, $element->getPosition());
320  }
321 
322  $a_xml_writer->xmlEndTag("not");
323  $a_xml_writer->xmlEndTag("conditionvar");
324  // qti displayfeedback
325  $attrs = array(
326  "feedbacktype" => "Response",
327  "linkrefid" => "response_onenotcorrect"
328  );
329  $a_xml_writer->xmlElement("displayfeedback", $attrs);
330  $a_xml_writer->xmlEndTag("respcondition");
331  }
332 
333  $a_xml_writer->xmlEndTag("resprocessing");
334 
335  // PART III: qti itemfeedback
336  foreach ($this->object->getOrderingElementList() as $element) {
337  $attrs = array(
338  "ident" => "link_" . $element->getPosition(),
339  "view" => "All"
340  );
341  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
342  // qti flow_mat
343  $a_xml_writer->xmlStartTag("flow_mat");
344  $a_xml_writer->xmlStartTag("material");
345  $a_xml_writer->xmlElement("mattext", null, $this->object->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation(
346  $this->object->getId(),
347  0,
348  $element->getPosition()
349  ));
350  $a_xml_writer->xmlEndTag("material");
351  $a_xml_writer->xmlEndTag("flow_mat");
352  $a_xml_writer->xmlEndTag("itemfeedback");
353  }
354 
355  if (strlen($feedback_allcorrect)) {
356  $attrs = array(
357  "ident" => "response_allcorrect",
358  "view" => "All"
359  );
360  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
361  // qti flow_mat
362  $a_xml_writer->xmlStartTag("flow_mat");
363  $this->object->addQTIMaterial($a_xml_writer, $feedback_allcorrect);
364  $a_xml_writer->xmlEndTag("flow_mat");
365  $a_xml_writer->xmlEndTag("itemfeedback");
366  }
367  if (strlen($feedback_onenotcorrect)) {
368  $attrs = array(
369  "ident" => "response_onenotcorrect",
370  "view" => "All"
371  );
372  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
373  // qti flow_mat
374  $a_xml_writer->xmlStartTag("flow_mat");
375  $this->object->addQTIMaterial($a_xml_writer, $feedback_onenotcorrect);
376  $a_xml_writer->xmlEndTag("flow_mat");
377  $a_xml_writer->xmlEndTag("itemfeedback");
378  }
379 
380  $a_xml_writer->xmlEndTag("item");
381  $a_xml_writer->xmlEndTag("questestinterop");
382 
383  $xml = $a_xml_writer->xmlDumpMem(false);
384  if (!$a_include_header) {
385  $pos = strpos($xml, "?>");
386  $xml = substr($xml, $pos + 2);
387  }
388  return $xml;
389  }
global $DIC
Definition: saml.php:7
const OQ_NESTED_TERMS
XML writer class.
const OUTPUT_JAVASCRIPT
addGeneralMetadata(ilXmlWriter $xmlwriter)
const OQ_PICTURES
Ordering question constants.
const ORDERING_QUESTION_IDENTIFIER
$ilUser
Definition: imgupload.php:18
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...
const OQ_TERMS
const OQ_NESTED_PICTURES
global $ilDB
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Field Documentation

◆ $object

assOrderingQuestionExport::$object

Definition at line 20 of file class.assOrderingQuestionExport.php.


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