ILIAS  release_5-3 Revision v5.3.23-19-g915713cf615
Public Member Functions
assMatchingQuestionExport Class Reference
Modules/TestQuestionPool

Class for matching question exports. More...

+ Inheritance diagram for assMatchingQuestionExport:
+ Collaboration diagram for assMatchingQuestionExport:

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...
 

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 matching question exports.

assMatchingQuestionExport is a class for matching 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.assMatchingQuestionExport.php.

Member Function Documentation

◆ toXML()

assMatchingQuestionExport::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.assMatchingQuestionExport.php.

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, MATCHING_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, "shuffle");
69 $a_xml_writer->xmlElement("fieldentry", null, $this->object->getShuffle());
70 $a_xml_writer->xmlEndTag("qtimetadatafield");
71 $a_xml_writer->xmlStartTag("qtimetadatafield");
72 $a_xml_writer->xmlElement("fieldlabel", null, "thumb_geometry");
73 $a_xml_writer->xmlElement("fieldentry", null, $this->object->getThumbGeometry());
74 $a_xml_writer->xmlEndTag("qtimetadatafield");
75 $a_xml_writer->xmlStartTag("qtimetadatafield");
76 $a_xml_writer->xmlElement("fieldlabel", null, 'matching_mode');
77 $a_xml_writer->xmlElement("fieldentry", null, $this->object->getMatchingMode());
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 $attrs = array(
93 "ident" => "MQ",
94 "rcardinality" => "Multiple"
95 );
96 $a_xml_writer->xmlStartTag("response_grp", $attrs);
97 $solution = $this->object->getSuggestedSolution(0);
98 if (count($solution)) {
99 if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches)) {
100 $a_xml_writer->xmlStartTag("material");
101 $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
102 if (strcmp($matches[1], "") != 0) {
103 $intlink = $solution["internal_link"];
104 }
105 $attrs = array(
106 "label" => "suggested_solution"
107 );
108 $a_xml_writer->xmlElement("mattext", $attrs, $intlink);
109 $a_xml_writer->xmlEndTag("material");
110 }
111 }
112 // shuffle output
113 $attrs = array();
114 if ($this->object->getShuffle()) {
115 $attrs = array(
116 "shuffle" => "Yes"
117 );
118 } else {
119 $attrs = array(
120 "shuffle" => "No"
121 );
122 }
123 $a_xml_writer->xmlStartTag("render_choice", $attrs);
124 // add answertext
125 $matchingtext_orders = array();
126 foreach ($this->object->getMatchingPairs() as $index => $matchingpair) {
127 array_push($matchingtext_orders, $matchingpair->term->identifier);
128 }
129
130 $termids = array();
131 foreach ($this->object->getTerms() as $term) {
132 array_push($termids, $term->identifier);
133 }
134 // add answers
135 foreach ($this->object->getDefinitions() as $definition) {
136 $attrs = array(
137 "ident" => $definition->identifier,
138 "match_max" => "1",
139 "match_group" => join($termids, ",")
140 );
141 $a_xml_writer->xmlStartTag("response_label", $attrs);
142 $a_xml_writer->xmlStartTag("material");
143 if (strlen($definition->picture)) {
144 if ($force_image_references) {
145 $attrs = array(
146 "imagtype" => "image/jpeg",
147 "label" => $definition->picture,
148 "uri" => $this->object->getImagePathWeb() . $definition->picture
149 );
150 $a_xml_writer->xmlElement("matimage", $attrs);
151 } else {
152 $imagepath = $this->object->getImagePath() . $definition->picture;
153 $fh = @fopen($imagepath, "rb");
154 if ($fh != false) {
155 $imagefile = fread($fh, filesize($imagepath));
156 fclose($fh);
157 $base64 = base64_encode($imagefile);
158 $attrs = array(
159 "imagtype" => "image/jpeg",
160 "label" => $definition->picture,
161 "embedded" => "base64"
162 );
163 $a_xml_writer->xmlElement("matimage", $attrs, $base64, false, false);
164 }
165 }
166 }
167 if (strlen($definition->text)) {
168 $attrs = array(
169 "texttype" => "text/plain"
170 );
171 if ($this->object->isHTML($definition->text)) {
172 $attrs["texttype"] = "text/xhtml";
173 }
174 $a_xml_writer->xmlElement("mattext", $attrs, $definition->text);
175 }
176 $a_xml_writer->xmlEndTag("material");
177 $a_xml_writer->xmlEndTag("response_label");
178 }
179 // add matchingtext
180 foreach ($this->object->getTerms() as $term) {
181 $attrs = array(
182 "ident" => $term->identifier
183 );
184 $a_xml_writer->xmlStartTag("response_label", $attrs);
185 $a_xml_writer->xmlStartTag("material");
186 if (strlen($term->picture)) {
187 if ($force_image_references) {
188 $attrs = array(
189 "imagtype" => "image/jpeg",
190 "label" => $term->picture,
191 "uri" => $this->object->getImagePathWeb() . $term->picture
192 );
193 $a_xml_writer->xmlElement("matimage", $attrs);
194 } else {
195 $imagepath = $this->object->getImagePath() . $term->picture;
196 $fh = @fopen($imagepath, "rb");
197 if ($fh != false) {
198 $imagefile = fread($fh, filesize($imagepath));
199 fclose($fh);
200 $base64 = base64_encode($imagefile);
201 $attrs = array(
202 "imagtype" => "image/jpeg",
203 "label" => $term->picture,
204 "embedded" => "base64"
205 );
206 $a_xml_writer->xmlElement("matimage", $attrs, $base64, false, false);
207 }
208 }
209 }
210 if (strlen($term->text)) {
211 $attrs = array(
212 "texttype" => "text/plain"
213 );
214 if ($this->object->isHTML($term->text)) {
215 $attrs["texttype"] = "text/xhtml";
216 }
217 $a_xml_writer->xmlElement("mattext", $attrs, $term->text);
218 }
219 $a_xml_writer->xmlEndTag("material");
220 $a_xml_writer->xmlEndTag("response_label");
221 }
222 $a_xml_writer->xmlEndTag("render_choice");
223 $a_xml_writer->xmlEndTag("response_grp");
224 $a_xml_writer->xmlEndTag("flow");
225 $a_xml_writer->xmlEndTag("presentation");
226
227 // PART II: qti resprocessing
228 $a_xml_writer->xmlStartTag("resprocessing");
229 $a_xml_writer->xmlStartTag("outcomes");
230 $a_xml_writer->xmlStartTag("decvar");
231 $a_xml_writer->xmlEndTag("decvar");
232 $a_xml_writer->xmlEndTag("outcomes");
233 // add response conditions
234 foreach ($this->object->getMatchingPairs() as $matchingpair) {
235 $attrs = array(
236 "continue" => "Yes"
237 );
238 $a_xml_writer->xmlStartTag("respcondition", $attrs);
239 // qti conditionvar
240 $a_xml_writer->xmlStartTag("conditionvar");
241 $attrs = array(
242 "respident" => "MQ"
243 );
244 $a_xml_writer->xmlElement("varsubset", $attrs, $matchingpair->term->identifier . "," . $matchingpair->definition->identifier);
245 $a_xml_writer->xmlEndTag("conditionvar");
246
247 // qti setvar
248 $attrs = array(
249 "action" => "Add"
250 );
251 $a_xml_writer->xmlElement("setvar", $attrs, $matchingpair->points);
252 // qti displayfeedback
253 $attrs = array(
254 "feedbacktype" => "Response",
255 "linkrefid" => "correct_" . $matchingpair->term->identifier . "_" . $matchingpair->definition_identifier
256 );
257 $a_xml_writer->xmlElement("displayfeedback", $attrs);
258 $a_xml_writer->xmlEndTag("respcondition");
259 }
260
261 $feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
262 $this->object->getId(),
263 true
264 );
265 if (strlen($feedback_allcorrect)) {
266 $attrs = array(
267 "continue" => "Yes"
268 );
269 $a_xml_writer->xmlStartTag("respcondition", $attrs);
270 // qti conditionvar
271 $a_xml_writer->xmlStartTag("conditionvar");
272
273 foreach ($this->object->getMatchingPairs() as $matchingpair) {
274 $attrs = array(
275 "respident" => "MQ"
276 );
277 $a_xml_writer->xmlElement("varsubset", $attrs, $matchingpair->term->identifier . "," . $matchingpair->definition->identifier);
278 }
279 $a_xml_writer->xmlEndTag("conditionvar");
280 // qti displayfeedback
281 $attrs = array(
282 "feedbacktype" => "Response",
283 "linkrefid" => "response_allcorrect"
284 );
285 $a_xml_writer->xmlElement("displayfeedback", $attrs);
286 $a_xml_writer->xmlEndTag("respcondition");
287 }
288 $feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
289 $this->object->getId(),
290 false
291 );
292 if (strlen($feedback_onenotcorrect)) {
293 $attrs = array(
294 "continue" => "Yes"
295 );
296 $a_xml_writer->xmlStartTag("respcondition", $attrs);
297 // qti conditionvar
298 $a_xml_writer->xmlStartTag("conditionvar");
299 $a_xml_writer->xmlStartTag("not");
300 foreach ($this->object->getMatchingPairs() as $matchingpair) {
301 $attrs = array(
302 "respident" => "MQ"
303 );
304 $a_xml_writer->xmlElement("varsubset", $attrs, $matchingpair->term->identifier . "," . $matchingpair->definition->identifier);
305 }
306 $a_xml_writer->xmlEndTag("not");
307 $a_xml_writer->xmlEndTag("conditionvar");
308 // qti displayfeedback
309 $attrs = array(
310 "feedbacktype" => "Response",
311 "linkrefid" => "response_onenotcorrect"
312 );
313 $a_xml_writer->xmlElement("displayfeedback", $attrs);
314 $a_xml_writer->xmlEndTag("respcondition");
315 }
316
317 $a_xml_writer->xmlEndTag("resprocessing");
318
319 // PART III: qti itemfeedback
320 foreach ($this->object->getMatchingPairs() as $index => $matchingpair) {
321 $attrs = array(
322 "ident" => "correct_" . $matchingpair->term->identifier . "_" . $matchingpair->definition->identifier,
323 "view" => "All"
324 );
325 $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
326 // qti flow_mat
327 $a_xml_writer->xmlStartTag("flow_mat");
328 $a_xml_writer->xmlStartTag("material");
329 $a_xml_writer->xmlElement("mattext", null, $this->object->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation(
330 $this->object->getId(),
331 $index
332 ));
333 $a_xml_writer->xmlEndTag("material");
334 $a_xml_writer->xmlEndTag("flow_mat");
335 $a_xml_writer->xmlEndTag("itemfeedback");
336 }
337
338 if (strlen($feedback_allcorrect)) {
339 $attrs = array(
340 "ident" => "response_allcorrect",
341 "view" => "All"
342 );
343 $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
344 // qti flow_mat
345 $a_xml_writer->xmlStartTag("flow_mat");
346 $this->object->addQTIMaterial($a_xml_writer, $feedback_allcorrect);
347 $a_xml_writer->xmlEndTag("flow_mat");
348 $a_xml_writer->xmlEndTag("itemfeedback");
349 }
350 if (strlen($feedback_onenotcorrect)) {
351 $attrs = array(
352 "ident" => "response_onenotcorrect",
353 "view" => "All"
354 );
355 $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
356 // qti flow_mat
357 $a_xml_writer->xmlStartTag("flow_mat");
358 $this->object->addQTIMaterial($a_xml_writer, $feedback_onenotcorrect);
359 $a_xml_writer->xmlEndTag("flow_mat");
360 $a_xml_writer->xmlEndTag("itemfeedback");
361 }
362
363 $a_xml_writer->xmlEndTag("item");
364 $a_xml_writer->xmlEndTag("questestinterop");
365
366 $xml = $a_xml_writer->xmlDumpMem(false);
367 if (!$a_include_header) {
368 $pos = strpos($xml, "?>");
369 $xml = substr($xml, $pos + 2);
370 }
371 return $xml;
372 }
sprintf
sprintf('%.4f', $callTime)
Definition: 01pharSimple.php:87
assQuestionExport\addGeneralMetadata
addGeneralMetadata(ilXmlWriter $xmlwriter)
Definition: class.assQuestionExport.php:209
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:197
ilXmlWriter
XML writer class.
Definition: class.ilXmlWriter.php:18
ilXmlWriter\xmlHeader
xmlHeader()
Writes xml header @access public.
Definition: class.ilXmlWriter.php:275
MATCHING_QUESTION_IDENTIFIER
const MATCHING_QUESTION_IDENTIFIER
Definition: inc.AssessmentConstants.php:29
$index
$index
Definition: metadata.php:60
$xml
$xml
Definition: metadata.php:240

References $fh, $index, $xml, assQuestionExport\addAdditionalContentEditingModeInformation(), assQuestionExport\addGeneralMetadata(), MATCHING_QUESTION_IDENTIFIER, sprintf, and ilXmlWriter\xmlHeader().

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