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assKprimChoiceExport Class Reference
+ Inheritance diagram for assKprimChoiceExport:
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Public Member Functions

 toXML ($a_include_header=true, $a_include_binary=true, $a_shuffle=false, $test_output=false, $force_image_references=false)
 
- 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 Returns a QTI xml representation of the question and sets the internal domxml variable with the DOM XML representation of the QTI xml representation. More...
 

Data Fields

 $object
 
- Data Fields inherited from assQuestionExport
 $object
 
const ITEM_SOLUTIONHINT = 'solutionhint'
 

Private Member Functions

 getMinPoints ()
 
 getMaxPoints ()
 

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)
 
 addSolutionHints (ilXmlWriter $writer)
 

Detailed Description

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

Member Function Documentation

◆ getMaxPoints()

assKprimChoiceExport::getMaxPoints ( )
private

Definition at line 321 of file class.assKprimChoiceExport.php.

Referenced by toXML().

321  : float
322  {
323  return $this->object->getPoints();
324  }
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◆ getMinPoints()

assKprimChoiceExport::getMinPoints ( )
private

Definition at line 312 of file class.assKprimChoiceExport.php.

References ILIAS\Repository\object().

Referenced by toXML().

313  {
314  if ($this->object->isScorePartialSolutionEnabled()) {
315  return ($this->object->getPoints() / 2);
316  }
317 
318  return 0;
319  }
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◆ toXML()

assKprimChoiceExport::toXML (   $a_include_header = true,
  $a_include_binary = true,
  $a_shuffle = false,
  $test_output = false,
  $force_image_references = false 
)

Definition at line 33 of file class.assKprimChoiceExport.php.

References $DIC, $index, $xml, assQuestionExport\addAdditionalContentEditingModeInformation(), assQuestionExport\addGeneralMetadata(), assQuestionExport\addSolutionHints(), getMaxPoints(), getMinPoints(), IL_INST_ID, KPRIM_CHOICE_QUESTION_IDENTIFIER, and ILIAS\Repository\object().

33  : string
34  {
35  global $DIC;
36  $ilias = $DIC['ilias'];
37 
38  include_once("./Services/Xml/classes/class.ilXmlWriter.php");
39  $xml = new ilXmlWriter();
40  // set xml header
41  $xml->xmlHeader();
42  $xml->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  $xml->xmlStartTag("item", $attrs);
49  // add question description
50  $xml->xmlElement("qticomment", null, $this->object->getComment());
51  $xml->xmlStartTag("itemmetadata");
52  $xml->xmlStartTag("qtimetadata");
53  $xml->xmlStartTag("qtimetadatafield");
54  $xml->xmlElement("fieldlabel", null, "ILIAS_VERSION");
55  $xml->xmlElement("fieldentry", null, $ilias->getSetting("ilias_version"));
56  $xml->xmlEndTag("qtimetadatafield");
57  $xml->xmlStartTag("qtimetadatafield");
58  $xml->xmlElement("fieldlabel", null, "QUESTIONTYPE");
59  $xml->xmlElement("fieldentry", null, KPRIM_CHOICE_QUESTION_IDENTIFIER);
60  $xml->xmlEndTag("qtimetadatafield");
61  $xml->xmlStartTag("qtimetadatafield");
62  $xml->xmlElement("fieldlabel", null, "AUTHOR");
63  $xml->xmlElement("fieldentry", null, $this->object->getAuthor());
64  $xml->xmlEndTag("qtimetadatafield");
65 
66  // additional content editing information
67  $this->addAdditionalContentEditingModeInformation($xml);
68  $this->addGeneralMetadata($xml);
69 
70  $xml->xmlStartTag("qtimetadatafield");
71  $xml->xmlElement("fieldlabel", null, "answer_type");
72  $xml->xmlElement("fieldentry", null, $this->object->getAnswerType());
73  $xml->xmlEndTag("qtimetadatafield");
74 
75  $xml->xmlStartTag("qtimetadatafield");
76  $xml->xmlElement("fieldlabel", null, "thumb_size");
77  $xml->xmlElement("fieldentry", null, $this->object->getThumbSize());
78  $xml->xmlEndTag("qtimetadatafield");
79 
80  $xml->xmlStartTag("qtimetadatafield");
81  $xml->xmlElement("fieldlabel", null, "option_label_setting");
82  $xml->xmlElement("fieldentry", null, $this->object->getOptionLabel());
83  $xml->xmlEndTag("qtimetadatafield");
84  $xml->xmlStartTag("qtimetadatafield");
85  $xml->xmlElement("fieldlabel", null, "custom_true_option_label");
86  $xml->xmlElement("fieldentry", null, $this->object->getCustomTrueOptionLabel());
87  $xml->xmlEndTag("qtimetadatafield");
88  $xml->xmlStartTag("qtimetadatafield");
89  $xml->xmlElement("fieldlabel", null, "custom_false_option_label");
90  $xml->xmlElement("fieldentry", null, $this->object->getCustomFalseOptionLabel());
91  $xml->xmlEndTag("qtimetadatafield");
92 
93  $xml->xmlStartTag("qtimetadatafield");
94  $xml->xmlElement("fieldlabel", null, "feedback_setting");
95  $xml->xmlElement("fieldentry", null, $this->object->getSpecificFeedbackSetting());
96  $xml->xmlEndTag("qtimetadatafield");
97 
98  $xml->xmlEndTag("qtimetadata");
99  $xml->xmlEndTag("itemmetadata");
100 
101  // PART I: qti presentation
102  $attrs = array(
103  "label" => $this->object->getTitle()
104  );
105  $xml->xmlStartTag("presentation", $attrs);
106  // add flow to presentation
107  $xml->xmlStartTag("flow");
108  // add material with question text to presentation
109  $this->object->addQTIMaterial($xml, $this->object->getQuestion());
110  // add answers to presentation
111  $attrs = array(
112  "ident" => "MCMR",
113  "rcardinality" => "Multiple"
114  );
115  $xml->xmlStartTag("response_lid", $attrs);
116  $solution = $this->object->getSuggestedSolution(0);
117  if (count($solution)) {
118  if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches)) {
119  $xml->xmlStartTag("material");
120  $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
121  if (strcmp($matches[1], "") != 0) {
122  $intlink = $solution["internal_link"];
123  }
124  $attrs = array(
125  "label" => "suggested_solution"
126  );
127  $xml->xmlElement("mattext", $attrs, $intlink);
128  $xml->xmlEndTag("material");
129  }
130  }
131  // shuffle output
132  $attrs = array();
133  if ($this->object->isShuffleAnswersEnabled()) {
134  $attrs = array(
135  "shuffle" => "Yes"
136  );
137  } else {
138  $attrs = array(
139  "shuffle" => "No"
140  );
141  }
142  $xml->xmlStartTag("render_choice", $attrs);
143 
144  // add answers
145  $answers = $this->object->getAnswers();
146  $akeys = array_keys($answers);
147  foreach ($akeys as $index) {
148  $answer = $this->object->getAnswer($index);
149 
150  $xml->xmlStartTag('response_label', array('ident' => $answer->getPosition()));
151 
152  if (strlen($answer->getImageFile())) {
153  $this->object->addQTIMaterial($xml, $answer->getAnswertext(), false, false);
154  $imagetype = "image/jpeg";
155  if (preg_match("/.*\.(png|gif)$/", $answer->getImageFile(), $matches)) {
156  $imagetype = "image/" . $matches[1];
157  }
158  if ($force_image_references) {
159  $attrs = array(
160  "imagtype" => $imagetype,
161  "label" => $answer->getImageFile(),
162  "uri" => $answer->getImageWebPath()
163  );
164  $xml->xmlElement("matimage", $attrs);
165  } else {
166  $imagepath = $answer->getImageFsPath();
167  $fh = @fopen($imagepath, "rb");
168  if ($fh != false) {
169  $imagefile = fread($fh, filesize($imagepath));
170  fclose($fh);
171  $base64 = base64_encode($imagefile);
172  $attrs = array(
173  "imagtype" => $imagetype,
174  "label" => $answer->getImageFile(),
175  "embedded" => "base64"
176  );
177  $xml->xmlElement("matimage", $attrs, $base64, false, false);
178  }
179  }
180  $xml->xmlEndTag("material");
181  } else {
182  $this->object->addQTIMaterial($xml, $answer->getAnswertext());
183  }
184  $xml->xmlEndTag("response_label");
185  }
186  $xml->xmlEndTag("render_choice");
187  $xml->xmlEndTag("response_lid");
188  $xml->xmlEndTag("flow");
189  $xml->xmlEndTag("presentation");
190 
191  // PART II: qti resprocessing
192 
193  $xml->xmlStartTag('resprocessing');
194 
195  $xml->xmlStartTag('outcomes');
196  $xml->xmlElement('decvar', array(
197  'varname' => 'SCORE', 'vartype' => 'Decimal', 'defaultval' => '0',
198  'minvalue' => $this->getMinPoints(), 'maxvalue' => $this->getMaxPoints()
199  ));
200  $xml->xmlEndTag('outcomes');
201 
202 
203  foreach ($answers as $answer) {
204  $xml->xmlStartTag('respcondition', array('continue' => 'Yes'));
205 
206  $xml->xmlStartTag('conditionvar');
207  $xml->xmlElement('varequal', array('respident' => $answer->getPosition()), $answer->getCorrectness());
208  $xml->xmlEndTag('conditionvar');
209 
210  $xml->xmlElement('displayfeedback', array(
211  'feedbacktype' => 'Response', 'linkrefid' => "response_{$answer->getPosition()}"
212  ));
213 
214  $xml->xmlEndTag('respcondition');
215  }
216 
217  $feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
218  $this->object->getId(),
219  true
220  );
221 
222  $xml->xmlStartTag('respcondition', array('continue' => 'Yes'));
223 
224  $xml->xmlStartTag('conditionvar');
225  $xml->xmlStartTag('and');
226  foreach ($answers as $answer) {
227  $xml->xmlElement('varequal', array('respident' => $answer->getPosition()), $answer->getCorrectness());
228  }
229  $xml->xmlEndTag('and');
230  $xml->xmlEndTag('conditionvar');
231 
232  $xml->xmlElement('setvar', array('action' => 'Add'), $this->object->getPoints());
233 
234  if (strlen($feedback_allcorrect)) {
235  $xml->xmlElement('displayfeedback', array('feedbacktype' => 'Response', 'linkrefid' => 'response_allcorrect'));
236  }
237 
238  $xml->xmlEndTag('respcondition');
239 
240  $feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
241  $this->object->getId(),
242  false
243  );
244 
245  $xml->xmlStartTag('respcondition', array('continue' => 'Yes'));
246 
247  $xml->xmlStartTag('conditionvar');
248  $xml->xmlStartTag('or');
249  foreach ($answers as $answer) {
250  $xml->xmlStartTag('not');
251  $xml->xmlElement('varequal', array('respident' => $answer->getPosition()), $answer->getCorrectness());
252  $xml->xmlEndTag('not');
253  }
254  $xml->xmlEndTag('or');
255  $xml->xmlEndTag('conditionvar');
256 
257  $xml->xmlElement('setvar', array('action' => 'Add'), 0);
258 
259  if (strlen($feedback_onenotcorrect)) {
260  $xml->xmlElement('displayfeedback', array('feedbacktype' => 'Response', 'linkrefid' => 'response_onenotcorrect'));
261  }
262 
263  $xml->xmlEndTag('respcondition');
264 
265  $xml->xmlEndTag('resprocessing');
266 
267  foreach ($answers as $answer) {
268  $xml->xmlStartTag('itemfeedback', array('ident' => "response_{$answer->getPosition()}", 'view' => 'All'));
269  $xml->xmlStartTag('flow_mat');
270 
271  $this->object->addQTIMaterial($xml, $this->object->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation(
272  $this->object->getId(),
273  0,
274  $answer->getPosition()
275  ));
276 
277  $xml->xmlEndTag('flow_mat');
278  $xml->xmlEndTag('itemfeedback');
279  }
280  if (strlen($feedback_allcorrect)) {
281  $xml->xmlStartTag('itemfeedback', array('ident' => 'response_allcorrect', 'view' => 'All'));
282  $xml->xmlStartTag('flow_mat');
283 
284  $this->object->addQTIMaterial($xml, $feedback_allcorrect);
285 
286  $xml->xmlEndTag('flow_mat');
287  $xml->xmlEndTag('itemfeedback');
288  }
289  if (strlen($feedback_onenotcorrect)) {
290  $xml->xmlStartTag('itemfeedback', array('ident' => 'response_onenotcorrect', 'view' => 'All'));
291  $xml->xmlStartTag('flow_mat');
292 
293  $this->object->addQTIMaterial($xml, $feedback_onenotcorrect);
294 
295  $xml->xmlEndTag('flow_mat');
296  $xml->xmlEndTag('itemfeedback');
297  }
298 
299  $xml = $this->addSolutionHints($xml);
300 
301  $xml->xmlEndTag("item");
302  $xml->xmlEndTag("questestinterop");
303 
304  $xml = $xml->xmlDumpMem(false);
305  if (!$a_include_header) {
306  $pos = strpos($xml, "?>");
307  $xml = substr($xml, $pos + 2);
308  }
309  return $xml;
310  }
IL_INST_ID
const IL_INST_ID
Definition: constants.php:40
KPRIM_CHOICE_QUESTION_IDENTIFIER
const KPRIM_CHOICE_QUESTION_IDENTIFIER
Definition: inc.AssessmentConstants.php:54
ilXmlWriter
This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Le...
Definition: class.ilXmlWriter.php:30
assQuestionExport\addGeneralMetadata
addGeneralMetadata(ilXmlWriter $xmlwriter)
Definition: class.assQuestionExport.php:217
$index
$index
Definition: metadata.php:145
$DIC
global $DIC
Definition: feed.php:28
$xml
$xml
Definition: metadata.php:351
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:205
assQuestionExport\addSolutionHints
addSolutionHints(ilXmlWriter $writer)
Definition: class.assQuestionExport.php:236
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Field Documentation

◆ $object

assKprimChoiceExport::$object

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

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