ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
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. 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 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 @access public

Reimplemented from assQuestionExport.

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

27 {
28 global $ilDB;
29 global $ilUser;
30 global $ilias;
31
32 include_once("./Services/Xml/classes/class.ilXmlWriter.php");
33 $a_xml_writer = new ilXmlWriter;
34 // set xml header
35 $a_xml_writer->xmlHeader();
36 $a_xml_writer->xmlStartTag("questestinterop");
37 $attrs = array(
38 "ident" => "il_".IL_INST_ID."_qst_".$this->object->getId(),
39 "title" => $this->object->getTitle(),
40 "maxattempts" => $this->object->getNrOfTries()
41 );
42 $a_xml_writer->xmlStartTag("item", $attrs);
43 // add question description
44 $a_xml_writer->xmlElement("qticomment", NULL, $this->object->getComment());
45 // add estimated working time
46 $workingtime = $this->object->getEstimatedWorkingTime();
47 $duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
48 $a_xml_writer->xmlElement("duration", NULL, $duration);
49 // add ILIAS specific metadata
50 $a_xml_writer->xmlStartTag("itemmetadata");
51 $a_xml_writer->xmlStartTag("qtimetadata");
52 $a_xml_writer->xmlStartTag("qtimetadatafield");
53 $a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
54 $a_xml_writer->xmlElement("fieldentry", NULL, $ilias->getSetting("ilias_version"));
55 $a_xml_writer->xmlEndTag("qtimetadatafield");
56 $a_xml_writer->xmlStartTag("qtimetadatafield");
57 $a_xml_writer->xmlElement("fieldlabel", NULL, "QUESTIONTYPE");
58 $a_xml_writer->xmlElement("fieldentry", NULL, ORDERING_QUESTION_IDENTIFIER);
59 $a_xml_writer->xmlEndTag("qtimetadatafield");
60 $a_xml_writer->xmlStartTag("qtimetadatafield");
61 $a_xml_writer->xmlElement("fieldlabel", NULL, "AUTHOR");
62 $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getAuthor());
63 $a_xml_writer->xmlEndTag("qtimetadatafield");
64
65 // additional content editing information
66 $this->addAdditionalContentEditingModeInformation($a_xml_writer);
67 $this->addGeneralMetadata($a_xml_writer);
68
69 $a_xml_writer->xmlStartTag("qtimetadatafield");
70 $a_xml_writer->xmlElement("fieldlabel", NULL, "thumb_geometry");
71 $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getThumbGeometry());
72 $a_xml_writer->xmlEndTag("qtimetadatafield");
73 $a_xml_writer->xmlStartTag("qtimetadatafield");
74 $a_xml_writer->xmlElement("fieldlabel", NULL, "element_height");
75 $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getElementHeight());
76 $a_xml_writer->xmlEndTag("qtimetadatafield");
77 $a_xml_writer->xmlStartTag("qtimetadatafield");
78 $a_xml_writer->xmlElement("fieldlabel", NULL, "points");
79 $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getPoints());
80 $a_xml_writer->xmlEndTag("qtimetadatafield");
81 $a_xml_writer->xmlEndTag("qtimetadata");
82 $a_xml_writer->xmlEndTag("itemmetadata");
83
84 // PART I: qti presentation
85 $attrs = array(
86 "label" => $this->object->getTitle()
87 );
88 $a_xml_writer->xmlStartTag("presentation", $attrs);
89 // add flow to presentation
90 $a_xml_writer->xmlStartTag("flow");
91 // add material with question text to presentation
92 $this->object->addQTIMaterial($a_xml_writer, $this->object->getQuestion());
93 // add answers to presentation
94 $attrs = array();
95
96 if ($this->object->getOrderingType() == OQ_PICTURES)
97 $ordering_type ='OQP';
98 else if($this->object->getOrderingType() == OQ_NESTED_PICTURES)
99 $ordering_type ='OQNP';
100 else if($this->object->getOrderingType() == OQ_NESTED_TERMS)
101 $ordering_type ='OQNT';
102 else if($this->object->getOrderingType() == OQ_TERMS)
103 $ordering_type ='OQT';
104
105 $attrs = array(
106 "ident" => $ordering_type,
107 "rcardinality" => "Ordered"
108 );
109
110 if ($this->object->getOutputType() == OUTPUT_JAVASCRIPT)
111 {
112 $attrs["output"] = "javascript";
113 }
114 $a_xml_writer->xmlStartTag("response_lid", $attrs);
115 $solution = $this->object->getSuggestedSolution(0);
116 if (count($solution))
117 {
118 if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches))
119 {
120 $a_xml_writer->xmlStartTag("material");
121 $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
122 if (strcmp($matches[1], "") != 0)
123 {
124 $intlink = $solution["internal_link"];
125 }
126 $attrs = array(
127 "label" => "suggested_solution"
128 );
129 $a_xml_writer->xmlElement("mattext", $attrs, $intlink);
130 $a_xml_writer->xmlEndTag("material");
131 }
132 }
133 // shuffle output
134 $attrs = array();
135 if ($this->object->getShuffle())
136 {
137 $attrs = array(
138 "shuffle" => "Yes"
139 );
140 }
141 else
142 {
143 $attrs = array(
144 "shuffle" => "No"
145 );
146 }
147 $a_xml_writer->xmlStartTag("render_choice", $attrs);
148 // shuffle
149 $akeys = array_keys($this->object->getAnswers());
150 if ($this->object->getShuffle() && $a_shuffle)
151 {
152 $akeys = $this->object->pcArrayShuffle($akeys);
153 }
154
155 // add answers
156 foreach ($akeys as $index)
157 {
158 $answer = $this->object->getAnswer($index);
159 $attrs = array(
160 "ident" => $index
161 );
162 $a_xml_writer->xmlStartTag("response_label", $attrs);
163 if ($this->object->getOrderingType() == OQ_PICTURES
164 || $this->object->getOrderingType() == OQ_NESTED_PICTURES)
165 {
166 $imagetype = "image/jpeg";
167
168 $a_xml_writer->xmlStartTag("material");
169 if ($force_image_references)
170 {
171 $attrs = array(
172 "imagtype" => $imagetype,
173 "label" => $answer->getAnswertext(),
174 "uri" => $this->object->getImagePathWeb() . $answer->getAnswertext()
175 );
176 $a_xml_writer->xmlElement("matimage", $attrs);
177 }
178 else
179 {
180 $imagepath = $this->object->getImagePath() . $answer->getAnswertext();
181 $fh = @fopen($imagepath, "rb");
182 if ($fh != false)
183 {
184 $imagefile = fread($fh, filesize($imagepath));
185 fclose($fh);
186 $base64 = base64_encode($imagefile);
187
188 if (preg_match("/.*\.(png|gif)$/", $answer->getAnswertext(), $matches))
189 {
190 $imagetype = "image/".$matches[1];
191 }
192 $attrs = array(
193 "imagtype" => $imagetype,
194 "label" => $answer->getAnswertext(),
195 "embedded" => "base64"
196 );
197 $a_xml_writer->xmlElement("matimage", $attrs, $base64, FALSE, FALSE);
198 }
199 }
200 $a_xml_writer->xmlEndTag("material");
201 }
202 else if ($this->object->getOrderingType() == OQ_TERMS
203 || $this->object->getOrderingType() == OQ_NESTED_TERMS)
204 {
205 $a_xml_writer->xmlStartTag("material");
206 $this->object->addQTIMaterial($a_xml_writer, $answer->getAnswertext(), TRUE, FALSE);
207 $a_xml_writer->xmlEndTag("material");
208 $a_xml_writer->xmlStartTag("material");
209 if ($this->object->getOldLeveledOrdering())
210 {
211 $attrs = array(
212 "label" => "answerdepth"
213 );
214 $a_xml_writer->xmlElement("mattext", $attrs, $answer->getOrderingDepth());
215 }
216 $a_xml_writer->xmlEndTag("material");
217 }
218 $a_xml_writer->xmlEndTag("response_label");
219 }
220 $a_xml_writer->xmlEndTag("render_choice");
221 $a_xml_writer->xmlEndTag("response_lid");
222 $a_xml_writer->xmlEndTag("flow");
223 $a_xml_writer->xmlEndTag("presentation");
224
225 // PART II: qti resprocessing
226 $a_xml_writer->xmlStartTag("resprocessing");
227 $a_xml_writer->xmlStartTag("outcomes");
228 $a_xml_writer->xmlStartTag("decvar");
229 $a_xml_writer->xmlEndTag("decvar");
230 $a_xml_writer->xmlEndTag("outcomes");
231 // add response conditions
232 foreach ($this->object->getAnswers() as $index => $answer)
233 {
234 $attrs = array(
235 "continue" => "Yes"
236 );
237 $a_xml_writer->xmlStartTag("respcondition", $attrs);
238 // qti conditionvar
239 $a_xml_writer->xmlStartTag("conditionvar");
240 $attrs = array();
241
242 if ($this->object->getOrderingType() == OQ_PICTURES)
243 $ordering_type ='OQP';
244 else if($this->object->getOrderingType() == OQ_NESTED_PICTURES)
245 $ordering_type ='OQNP';
246 else if($this->object->getOrderingType() == OQ_NESTED_TERMS)
247 $ordering_type ='OQNT';
248 else if($this->object->getOrderingType() == OQ_TERMS)
249 $ordering_type ='OQT';
250
251 $attrs = array("respident" => $ordering_type);
252
253 $attrs["index"] = $index;
254 $a_xml_writer->xmlElement("varequal", $attrs, $index);
255 $a_xml_writer->xmlEndTag("conditionvar");
256 // qti setvar
257 $attrs = array(
258 "action" => "Add"
259 );
260 $a_xml_writer->xmlElement("setvar", $attrs, $this->object->getPoints() / count($this->object->getAnswers()));
261 // qti displayfeedback
262 $attrs = array(
263 "feedbacktype" => "Response",
264 "linkrefid" => "link_$index"
265 );
266 $a_xml_writer->xmlElement("displayfeedback", $attrs);
267 $a_xml_writer->xmlEndTag("respcondition");
268 }
269
270 $feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
271 $this->object->getId(), true
272 );
273 if (strlen($feedback_allcorrect))
274 {
275 $attrs = array(
276 "continue" => "Yes"
277 );
278 $a_xml_writer->xmlStartTag("respcondition", $attrs);
279 // qti conditionvar
280 $a_xml_writer->xmlStartTag("conditionvar");
281
282 foreach ($this->object->getAnswers() as $index => $answer)
283 {
284 $attrs = array();
285
286 if ($this->object->getOrderingType() == OQ_PICTURES)
287 $ordering_type ='OQP';
288 else if($this->object->getOrderingType() == OQ_NESTED_PICTURES)
289 $ordering_type ='OQNP';
290 else if($this->object->getOrderingType() == OQ_NESTED_TERMS)
291 $ordering_type ='OQNT';
292 else if($this->object->getOrderingType() == OQ_TERMS)
293 $ordering_type ='OQT';
294
295 $attrs = array("respident" => $ordering_type);
296
297 $attrs["index"] = $index;
298 $a_xml_writer->xmlElement("varequal", $attrs, $index);
299 }
300
301 $a_xml_writer->xmlEndTag("conditionvar");
302 // qti displayfeedback
303 $attrs = array(
304 "feedbacktype" => "Response",
305 "linkrefid" => "response_allcorrect"
306 );
307 $a_xml_writer->xmlElement("displayfeedback", $attrs);
308 $a_xml_writer->xmlEndTag("respcondition");
309 }
310
311 $feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
312 $this->object->getId(), false
313 );
314 if (strlen($feedback_onenotcorrect))
315 {
316 $attrs = array(
317 "continue" => "Yes"
318 );
319 $a_xml_writer->xmlStartTag("respcondition", $attrs);
320 // qti conditionvar
321 $a_xml_writer->xmlStartTag("conditionvar");
322 $a_xml_writer->xmlStartTag("not");
323
324 foreach ($this->object->getAnswers() as $index => $answer)
325 {
326 $attrs = array();
327 if ($this->object->getOrderingType() == OQ_PICTURES)
328 $ordering_type ='OQP';
329 else if($this->object->getOrderingType() == OQ_NESTED_PICTURES)
330 $ordering_type ='OQNP';
331 else if($this->object->getOrderingType() == OQ_NESTED_TERMS)
332 $ordering_type ='OQNT';
333 else if($this->object->getOrderingType() == OQ_TERMS)
334 $ordering_type ='OQT';
335
336 $attrs = array("respident" => $ordering_type);
337
338 $attrs["index"] = $index;
339 $a_xml_writer->xmlElement("varequal", $attrs, $index);
340 }
341
342 $a_xml_writer->xmlEndTag("not");
343 $a_xml_writer->xmlEndTag("conditionvar");
344 // qti displayfeedback
345 $attrs = array(
346 "feedbacktype" => "Response",
347 "linkrefid" => "response_onenotcorrect"
348 );
349 $a_xml_writer->xmlElement("displayfeedback", $attrs);
350 $a_xml_writer->xmlEndTag("respcondition");
351 }
352
353 $a_xml_writer->xmlEndTag("resprocessing");
354
355 // PART III: qti itemfeedback
356 foreach ($this->object->getAnswers() as $index => $answer)
357 {
358 $attrs = array(
359 "ident" => "link_$index",
360 "view" => "All"
361 );
362 $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
363 // qti flow_mat
364 $a_xml_writer->xmlStartTag("flow_mat");
365 $a_xml_writer->xmlStartTag("material");
366 $a_xml_writer->xmlElement("mattext");
367 $a_xml_writer->xmlEndTag("material");
368 $a_xml_writer->xmlEndTag("flow_mat");
369 $a_xml_writer->xmlEndTag("itemfeedback");
370 }
371
372 if (strlen($feedback_allcorrect))
373 {
374 $attrs = array(
375 "ident" => "response_allcorrect",
376 "view" => "All"
377 );
378 $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
379 // qti flow_mat
380 $a_xml_writer->xmlStartTag("flow_mat");
381 $this->object->addQTIMaterial($a_xml_writer, $feedback_allcorrect);
382 $a_xml_writer->xmlEndTag("flow_mat");
383 $a_xml_writer->xmlEndTag("itemfeedback");
384 }
385 if (strlen($feedback_onenotcorrect))
386 {
387 $attrs = array(
388 "ident" => "response_onenotcorrect",
389 "view" => "All"
390 );
391 $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
392 // qti flow_mat
393 $a_xml_writer->xmlStartTag("flow_mat");
394 $this->object->addQTIMaterial($a_xml_writer, $feedback_onenotcorrect);
395 $a_xml_writer->xmlEndTag("flow_mat");
396 $a_xml_writer->xmlEndTag("itemfeedback");
397 }
398
399 $a_xml_writer->xmlEndTag("item");
400 $a_xml_writer->xmlEndTag("questestinterop");
401
402 $xml = $a_xml_writer->xmlDumpMem(FALSE);
403 if (!$a_include_header)
404 {
405 $pos = strpos($xml, "?>");
406 $xml = substr($xml, $pos + 2);
407 }
408 return $xml;
409 }
assQuestionExport\addGeneralMetadata
addGeneralMetadata(ilXmlWriter $xmlwriter)
Definition: class.assQuestionExport.php:210
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
ilXmlWriter
XML writer class.
Definition: class.ilXmlWriter.php:18
ilXmlWriter\xmlHeader
xmlHeader()
Writes xml header @access public.
Definition: class.ilXmlWriter.php:297
OQ_NESTED_PICTURES
const OQ_NESTED_PICTURES
Definition: inc.AssessmentConstants.php:79
OUTPUT_JAVASCRIPT
const OUTPUT_JAVASCRIPT
Definition: inc.AssessmentConstants.php:19
OQ_TERMS
const OQ_TERMS
Definition: inc.AssessmentConstants.php:78
OQ_NESTED_TERMS
const OQ_NESTED_TERMS
Definition: inc.AssessmentConstants.php:80
OQ_PICTURES
const OQ_PICTURES
Ordering question constants.
Definition: inc.AssessmentConstants.php:77
ORDERING_QUESTION_IDENTIFIER
const ORDERING_QUESTION_IDENTIFIER
Definition: inc.AssessmentConstants.php:32
$ilDB
global $ilDB
Definition: storeScorm2004.php:19
$ilUser
global $ilUser
Definition: imgupload.php:15

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

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