ILIAS  release_5-2 Revision v5.2.25-18-g3f80b828510
class.assOrderingQuestionExport.php
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1<?php
2/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
3
4include_once "./Modules/TestQuestionPool/classes/export/qti12/class.assQuestionExport.php";
5
16{
20 public $object;
21
31 function toXML($a_include_header = true, $a_include_binary = true, $a_shuffle = false, $test_output = false, $force_image_references = false)
32 {
33 global $ilDB;
34 global $ilUser;
35 global $ilias;
36
37 include_once("./Services/Xml/classes/class.ilXmlWriter.php");
38 $a_xml_writer = new ilXmlWriter;
39 // set xml header
40 $a_xml_writer->xmlHeader();
41 $a_xml_writer->xmlStartTag("questestinterop");
42 $attrs = array(
43 "ident" => "il_".IL_INST_ID."_qst_".$this->object->getId(),
44 "title" => $this->object->getTitle(),
45 "maxattempts" => $this->object->getNrOfTries()
46 );
47 $a_xml_writer->xmlStartTag("item", $attrs);
48 // add question description
49 $a_xml_writer->xmlElement("qticomment", NULL, $this->object->getComment());
50 // add estimated working time
51 $workingtime = $this->object->getEstimatedWorkingTime();
52 $duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
53 $a_xml_writer->xmlElement("duration", NULL, $duration);
54 // add ILIAS specific metadata
55 $a_xml_writer->xmlStartTag("itemmetadata");
56 $a_xml_writer->xmlStartTag("qtimetadata");
57 $a_xml_writer->xmlStartTag("qtimetadatafield");
58 $a_xml_writer->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
59 $a_xml_writer->xmlElement("fieldentry", NULL, $ilias->getSetting("ilias_version"));
60 $a_xml_writer->xmlEndTag("qtimetadatafield");
61 $a_xml_writer->xmlStartTag("qtimetadatafield");
62 $a_xml_writer->xmlElement("fieldlabel", NULL, "QUESTIONTYPE");
63 $a_xml_writer->xmlElement("fieldentry", NULL, ORDERING_QUESTION_IDENTIFIER);
64 $a_xml_writer->xmlEndTag("qtimetadatafield");
65 $a_xml_writer->xmlStartTag("qtimetadatafield");
66 $a_xml_writer->xmlElement("fieldlabel", NULL, "AUTHOR");
67 $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getAuthor());
68 $a_xml_writer->xmlEndTag("qtimetadatafield");
69
70 // additional content editing information
72 $this->addGeneralMetadata($a_xml_writer);
73
74 $a_xml_writer->xmlStartTag("qtimetadatafield");
75 $a_xml_writer->xmlElement("fieldlabel", NULL, "thumb_geometry");
76 $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getThumbGeometry());
77 $a_xml_writer->xmlEndTag("qtimetadatafield");
78 $a_xml_writer->xmlStartTag("qtimetadatafield");
79 $a_xml_writer->xmlElement("fieldlabel", NULL, "element_height");
80 $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getElementHeight());
81 $a_xml_writer->xmlEndTag("qtimetadatafield");
82 $a_xml_writer->xmlStartTag("qtimetadatafield");
83 $a_xml_writer->xmlElement("fieldlabel", NULL, "points");
84 $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getPoints());
85 $a_xml_writer->xmlEndTag("qtimetadatafield");
86 $a_xml_writer->xmlEndTag("qtimetadata");
87 $a_xml_writer->xmlEndTag("itemmetadata");
88
89 // PART I: qti presentation
90 $attrs = array(
91 "label" => $this->object->getTitle()
92 );
93 $a_xml_writer->xmlStartTag("presentation", $attrs);
94 // add flow to presentation
95 $a_xml_writer->xmlStartTag("flow");
96 // add material with question text to presentation
97 $this->object->addQTIMaterial($a_xml_writer, $this->object->getQuestion());
98 // add answers to presentation
99 $attrs = array();
100
101 if ($this->object->getOrderingType() == OQ_PICTURES)
102 $ordering_type ='OQP';
103 else if($this->object->getOrderingType() == OQ_NESTED_PICTURES)
104 $ordering_type ='OQNP';
105 else if($this->object->getOrderingType() == OQ_NESTED_TERMS)
106 $ordering_type ='OQNT';
107 else if($this->object->getOrderingType() == OQ_TERMS)
108 $ordering_type ='OQT';
109
110 $attrs = array(
111 "ident" => $ordering_type,
112 "rcardinality" => "Ordered"
113 );
114
115 if ($this->object->getOutputType() == OUTPUT_JAVASCRIPT)
116 {
117 $attrs["output"] = "javascript";
118 }
119 $a_xml_writer->xmlStartTag("response_lid", $attrs);
120 $solution = $this->object->getSuggestedSolution(0);
121 if (count($solution))
122 {
123 if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches))
124 {
125 $a_xml_writer->xmlStartTag("material");
126 $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
127 if (strcmp($matches[1], "") != 0)
128 {
129 $intlink = $solution["internal_link"];
130 }
131 $attrs = array(
132 "label" => "suggested_solution"
133 );
134 $a_xml_writer->xmlElement("mattext", $attrs, $intlink);
135 $a_xml_writer->xmlEndTag("material");
136 }
137 }
138 // shuffle output
139 $attrs = array();
140 if ($this->object->getShuffle())
141 {
142 $attrs = array(
143 "shuffle" => "Yes"
144 );
145 }
146 else
147 {
148 $attrs = array(
149 "shuffle" => "No"
150 );
151 }
152 $a_xml_writer->xmlStartTag("render_choice", $attrs);
153
154 // add answers
155 foreach ($this->object->getOrderingElementList() as $element)
156 {
157 $attrs = array(
158 'ident' => $element->getExportIdent()
159 );
160 $a_xml_writer->xmlStartTag("response_label", $attrs);
161 if ($this->object->getOrderingType() == OQ_PICTURES
162 || $this->object->getOrderingType() == OQ_NESTED_PICTURES)
163 {
164 $imagetype = "image/jpeg";
165
166 $a_xml_writer->xmlStartTag("material");
167 if ($force_image_references)
168 {
169 $attrs = array(
170 "imagtype" => $imagetype,
171 "label" => $element->getContent(),
172 "uri" => $this->object->getImagePathWeb() . $element->getContent()
173 );
174 $a_xml_writer->xmlElement("matimage", $attrs);
175 }
176 else
177 {
178 $imagepath = $this->object->getImagePath() . $element->getContent();
179 $fh = @fopen($imagepath, "rb");
180 if ($fh != false)
181 {
182 $imagefile = fread($fh, filesize($imagepath));
183 fclose($fh);
184 $base64 = base64_encode($imagefile);
185
186 if (preg_match("/.*\.(png|gif)$/", $element->getContent(), $matches))
187 {
188 $imagetype = "image/".$matches[1];
189 }
190 $attrs = array(
191 "imagtype" => $imagetype,
192 "label" => $element->getContent(),
193 "embedded" => "base64"
194 );
195 $a_xml_writer->xmlElement("matimage", $attrs, $base64, FALSE, FALSE);
196 }
197 }
198 $a_xml_writer->xmlEndTag("material");
199 }
200 else if ($this->object->getOrderingType() == OQ_TERMS
201 || $this->object->getOrderingType() == OQ_NESTED_TERMS)
202 {
203 $a_xml_writer->xmlStartTag("material");
204 $this->object->addQTIMaterial($a_xml_writer, $element->getContent(), TRUE, FALSE);
205 $a_xml_writer->xmlEndTag("material");
206 $a_xml_writer->xmlStartTag("material");
207 $attrs = array("label" => "answerdepth");
208 $a_xml_writer->xmlElement("mattext", $attrs, $element->getIndentation());
209 $a_xml_writer->xmlEndTag("material");
210 }
211 $a_xml_writer->xmlEndTag("response_label");
212 }
213 $a_xml_writer->xmlEndTag("render_choice");
214 $a_xml_writer->xmlEndTag("response_lid");
215 $a_xml_writer->xmlEndTag("flow");
216 $a_xml_writer->xmlEndTag("presentation");
217
218 // PART II: qti resprocessing
219 $a_xml_writer->xmlStartTag("resprocessing");
220 $a_xml_writer->xmlStartTag("outcomes");
221 $a_xml_writer->xmlStartTag("decvar");
222 $a_xml_writer->xmlEndTag("decvar");
223 $a_xml_writer->xmlEndTag("outcomes");
224 // add response conditions
225 foreach ($this->object->getOrderingElementList() as $element)
226 {
227 $attrs = array(
228 "continue" => "Yes"
229 );
230 $a_xml_writer->xmlStartTag("respcondition", $attrs);
231 // qti conditionvar
232 $a_xml_writer->xmlStartTag("conditionvar");
233 $attrs = array();
234
235 if ($this->object->getOrderingType() == OQ_PICTURES)
236 $ordering_type ='OQP';
237 else if($this->object->getOrderingType() == OQ_NESTED_PICTURES)
238 $ordering_type ='OQNP';
239 else if($this->object->getOrderingType() == OQ_NESTED_TERMS)
240 $ordering_type ='OQNT';
241 else if($this->object->getOrderingType() == OQ_TERMS)
242 $ordering_type ='OQT';
243
244 $attrs = array("respident" => $ordering_type);
245
246 $attrs["index"] = $element->getPosition();
247 $a_xml_writer->xmlElement("varequal", $attrs, $element->getPosition());
248 $a_xml_writer->xmlEndTag("conditionvar");
249 // qti setvar
250 $attrs = array(
251 "action" => "Add"
252 );
253 $points = $this->object->getPoints() / $this->object->getOrderingElementList()->countElements();
254 $a_xml_writer->xmlElement("setvar", $attrs, $points);
255 // qti displayfeedback
256 $attrs = array(
257 "feedbacktype" => "Response",
258 "linkrefid" => "link_".$element->getPosition()
259 );
260 $a_xml_writer->xmlElement("displayfeedback", $attrs);
261 $a_xml_writer->xmlEndTag("respcondition");
262 }
263
264 $feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
265 $this->object->getId(), true
266 );
267 if (strlen($feedback_allcorrect))
268 {
269 $attrs = array(
270 "continue" => "Yes"
271 );
272 $a_xml_writer->xmlStartTag("respcondition", $attrs);
273 // qti conditionvar
274 $a_xml_writer->xmlStartTag("conditionvar");
275
276 foreach ($this->object->getOrderingElementList() as $element)
277 {
278 $attrs = array();
279
280 if ($this->object->getOrderingType() == OQ_PICTURES)
281 $ordering_type ='OQP';
282 else if($this->object->getOrderingType() == OQ_NESTED_PICTURES)
283 $ordering_type ='OQNP';
284 else if($this->object->getOrderingType() == OQ_NESTED_TERMS)
285 $ordering_type ='OQNT';
286 else if($this->object->getOrderingType() == OQ_TERMS)
287 $ordering_type ='OQT';
288
289 $attrs = array("respident" => $ordering_type);
290
291 $attrs["index"] = $element->getPosition();
292 $a_xml_writer->xmlElement("varequal", $attrs, $element->getPosition());
293 }
294
295 $a_xml_writer->xmlEndTag("conditionvar");
296 // qti displayfeedback
297 $attrs = array(
298 "feedbacktype" => "Response",
299 "linkrefid" => "response_allcorrect"
300 );
301 $a_xml_writer->xmlElement("displayfeedback", $attrs);
302 $a_xml_writer->xmlEndTag("respcondition");
303 }
304
305 $feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
306 $this->object->getId(), false
307 );
308 if (strlen($feedback_onenotcorrect))
309 {
310 $attrs = array(
311 "continue" => "Yes"
312 );
313 $a_xml_writer->xmlStartTag("respcondition", $attrs);
314 // qti conditionvar
315 $a_xml_writer->xmlStartTag("conditionvar");
316 $a_xml_writer->xmlStartTag("not");
317
318 foreach ($this->object->getOrderingElementList() as $element)
319 {
320 $attrs = array();
321 if ($this->object->getOrderingType() == OQ_PICTURES)
322 $ordering_type ='OQP';
323 else if($this->object->getOrderingType() == OQ_NESTED_PICTURES)
324 $ordering_type ='OQNP';
325 else if($this->object->getOrderingType() == OQ_NESTED_TERMS)
326 $ordering_type ='OQNT';
327 else if($this->object->getOrderingType() == OQ_TERMS)
328 $ordering_type ='OQT';
329
330 $attrs = array("respident" => $ordering_type);
331
332 $attrs["index"] = $element->getPosition();
333 $a_xml_writer->xmlElement("varequal", $attrs, $element->getPosition());
334 }
335
336 $a_xml_writer->xmlEndTag("not");
337 $a_xml_writer->xmlEndTag("conditionvar");
338 // qti displayfeedback
339 $attrs = array(
340 "feedbacktype" => "Response",
341 "linkrefid" => "response_onenotcorrect"
342 );
343 $a_xml_writer->xmlElement("displayfeedback", $attrs);
344 $a_xml_writer->xmlEndTag("respcondition");
345 }
346
347 $a_xml_writer->xmlEndTag("resprocessing");
348
349 // PART III: qti itemfeedback
350 foreach ($this->object->getOrderingElementList() as $element)
351 {
352 $attrs = array(
353 "ident" => "link_".$element->getPosition(),
354 "view" => "All"
355 );
356 $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
357 // qti flow_mat
358 $a_xml_writer->xmlStartTag("flow_mat");
359 $a_xml_writer->xmlStartTag("material");
360 $a_xml_writer->xmlElement("mattext", null, $this->object->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation(
361 $this->object->getId(), $element->getPosition()
362 ));
363 $a_xml_writer->xmlEndTag("material");
364 $a_xml_writer->xmlEndTag("flow_mat");
365 $a_xml_writer->xmlEndTag("itemfeedback");
366 }
367
368 if (strlen($feedback_allcorrect))
369 {
370 $attrs = array(
371 "ident" => "response_allcorrect",
372 "view" => "All"
373 );
374 $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
375 // qti flow_mat
376 $a_xml_writer->xmlStartTag("flow_mat");
377 $this->object->addQTIMaterial($a_xml_writer, $feedback_allcorrect);
378 $a_xml_writer->xmlEndTag("flow_mat");
379 $a_xml_writer->xmlEndTag("itemfeedback");
380 }
381 if (strlen($feedback_onenotcorrect))
382 {
383 $attrs = array(
384 "ident" => "response_onenotcorrect",
385 "view" => "All"
386 );
387 $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
388 // qti flow_mat
389 $a_xml_writer->xmlStartTag("flow_mat");
390 $this->object->addQTIMaterial($a_xml_writer, $feedback_onenotcorrect);
391 $a_xml_writer->xmlEndTag("flow_mat");
392 $a_xml_writer->xmlEndTag("itemfeedback");
393 }
394
395 $a_xml_writer->xmlEndTag("item");
396 $a_xml_writer->xmlEndTag("questestinterop");
397
398 $xml = $a_xml_writer->xmlDumpMem(FALSE);
399 if (!$a_include_header)
400 {
401 $pos = strpos($xml, "?>");
402 $xml = substr($xml, $pos + 2);
403 }
404 return $xml;
405 }
406}
407
408?>
sprintf('%.4f', $callTime)
An exception for terminatinating execution or to throw for unit testing.
Class for ordering question exports.
toXML($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.
Class for question exports.
addGeneralMetadata(ilXmlWriter $xmlwriter)
addAdditionalContentEditingModeInformation(ilXmlWriter $a_xml_writer)
adds a qti meta data field for ilias specific information of "additional content editing mode" (xml w...
XML writer class.
xmlHeader()
Writes xml header @access public.
const OQ_NESTED_PICTURES
const OUTPUT_JAVASCRIPT
const OQ_TERMS
const OQ_NESTED_TERMS
const OQ_PICTURES
Ordering question constants.
const ORDERING_QUESTION_IDENTIFIER
global $ilDB
$ilUser
Definition: imgupload.php:18