ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
Public Member Functions | Data Fields | Private Member Functions
assKprimChoiceExport Class Reference
+ Inheritance diagram for assKprimChoiceExport:
+ Collaboration diagram for assKprimChoiceExport:

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
 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...
 

Data Fields

 $object
 
- Data Fields inherited from assQuestionExport
 $object
 

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)
 

Detailed Description

Definition at line 12 of file class.assKprimChoiceExport.php.

Member Function Documentation

◆ getMaxPoints()

assKprimChoiceExport::getMaxPoints ( )
private

Definition at line 330 of file class.assKprimChoiceExport.php.

Referenced by toXML().

331  {
332  return $this->object->getPoints();
333  }
+ Here is the caller graph for this function:

◆ getMinPoints()

assKprimChoiceExport::getMinPoints ( )
private

Definition at line 320 of file class.assKprimChoiceExport.php.

Referenced by toXML().

321  {
322  if( $this->object->isScorePartialSolutionEnabled() )
323  {
324  return ( $this->object->getPoints() / 2 );
325  }
326 
327  return 0;
328  }
+ Here is the caller graph for this function:

◆ toXML()

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

Definition at line 19 of file class.assKprimChoiceExport.php.

References assQuestionExport\addAdditionalContentEditingModeInformation(), assQuestionExport\addGeneralMetadata(), getMaxPoints(), getMinPoints(), KPRIM_CHOICE_QUESTION_IDENTIFIER, and ilXmlWriter\xmlHeader().

20  {
21  global $ilias;
22 
23  include_once("./Services/Xml/classes/class.ilXmlWriter.php");
24  $xml = new ilXmlWriter;
25  // set xml header
26  $xml->xmlHeader();
27  $xml->xmlStartTag("questestinterop");
28  $attrs = array(
29  "ident" => "il_".IL_INST_ID."_qst_".$this->object->getId(),
30  "title" => $this->object->getTitle(),
31  "maxattempts" => $this->object->getNrOfTries()
32  );
33  $xml->xmlStartTag("item", $attrs);
34  // add question description
35  $xml->xmlElement("qticomment", NULL, $this->object->getComment());
36  // add estimated working time
37  $workingtime = $this->object->getEstimatedWorkingTime();
38  $duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
39  $xml->xmlElement("duration", NULL, $duration);
40  // add ILIAS specific metadata
41  $xml->xmlStartTag("itemmetadata");
42  $xml->xmlStartTag("qtimetadata");
43  $xml->xmlStartTag("qtimetadatafield");
44  $xml->xmlElement("fieldlabel", NULL, "ILIAS_VERSION");
45  $xml->xmlElement("fieldentry", NULL, $ilias->getSetting("ilias_version"));
46  $xml->xmlEndTag("qtimetadatafield");
47  $xml->xmlStartTag("qtimetadatafield");
48  $xml->xmlElement("fieldlabel", NULL, "QUESTIONTYPE");
49  $xml->xmlElement("fieldentry", NULL, KPRIM_CHOICE_QUESTION_IDENTIFIER);
50  $xml->xmlEndTag("qtimetadatafield");
51  $xml->xmlStartTag("qtimetadatafield");
52  $xml->xmlElement("fieldlabel", NULL, "AUTHOR");
53  $xml->xmlElement("fieldentry", NULL, $this->object->getAuthor());
54  $xml->xmlEndTag("qtimetadatafield");
55 
56  // additional content editing information
57  $this->addAdditionalContentEditingModeInformation($xml);
58  $this->addGeneralMetadata($xml);
59 
60  $xml->xmlStartTag("qtimetadatafield");
61  $xml->xmlElement("fieldlabel", NULL, "answer_type");
62  $xml->xmlElement("fieldentry", NULL, $this->object->getAnswerType());
63  $xml->xmlEndTag("qtimetadatafield");
64 
65  $xml->xmlStartTag("qtimetadatafield");
66  $xml->xmlElement("fieldlabel", NULL, "thumb_size");
67  $xml->xmlElement("fieldentry", NULL, $this->object->getThumbSize());
68  $xml->xmlEndTag("qtimetadatafield");
69 
70  $xml->xmlStartTag("qtimetadatafield");
71  $xml->xmlElement("fieldlabel", NULL, "option_label_setting");
72  $xml->xmlElement("fieldentry", NULL, $this->object->getOptionLabel());
73  $xml->xmlEndTag("qtimetadatafield");
74  $xml->xmlStartTag("qtimetadatafield");
75  $xml->xmlElement("fieldlabel", NULL, "custom_true_option_label");
76  $xml->xmlElement("fieldentry", NULL, $this->object->getCustomTrueOptionLabel());
77  $xml->xmlEndTag("qtimetadatafield");
78  $xml->xmlStartTag("qtimetadatafield");
79  $xml->xmlElement("fieldlabel", NULL, "custom_false_option_label");
80  $xml->xmlElement("fieldentry", NULL, $this->object->getCustomFalseOptionLabel());
81  $xml->xmlEndTag("qtimetadatafield");
82 
83  $xml->xmlStartTag("qtimetadatafield");
84  $xml->xmlElement("fieldlabel", NULL, "feedback_setting");
85  $xml->xmlElement("fieldentry", NULL, $this->object->getSpecificFeedbackSetting());
86  $xml->xmlEndTag("qtimetadatafield");
87 
88  $xml->xmlEndTag("qtimetadata");
89  $xml->xmlEndTag("itemmetadata");
90 
91  // PART I: qti presentation
92  $attrs = array(
93  "label" => $this->object->getTitle()
94  );
95  $xml->xmlStartTag("presentation", $attrs);
96  // add flow to presentation
97  $xml->xmlStartTag("flow");
98  // add material with question text to presentation
99  $this->object->addQTIMaterial($xml, $this->object->getQuestion());
100  // add answers to presentation
101  $attrs = array(
102  "ident" => "MCMR",
103  "rcardinality" => "Multiple"
104  );
105  $xml->xmlStartTag("response_lid", $attrs);
106  $solution = $this->object->getSuggestedSolution(0);
107  if (count($solution))
108  {
109  if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches))
110  {
111  $xml->xmlStartTag("material");
112  $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
113  if (strcmp($matches[1], "") != 0)
114  {
115  $intlink = $solution["internal_link"];
116  }
117  $attrs = array(
118  "label" => "suggested_solution"
119  );
120  $xml->xmlElement("mattext", $attrs, $intlink);
121  $xml->xmlEndTag("material");
122  }
123  }
124  // shuffle output
125  $attrs = array();
126  if ($this->object->isShuffleAnswersEnabled())
127  {
128  $attrs = array(
129  "shuffle" => "Yes"
130  );
131  }
132  else
133  {
134  $attrs = array(
135  "shuffle" => "No"
136  );
137  }
138  $xml->xmlStartTag("render_choice", $attrs);
139 
140  // add answers
141  $answers =& $this->object->getAnswers();
142  $akeys = array_keys($answers);
143  foreach ($akeys as $index)
144  {
145  $answer = $this->object->getAnswer($index);
146 
147  $xml->xmlStartTag('response_label', array('ident' => $answer->getPosition()));
148 
149  if (strlen($answer->getImageFile()))
150  {
151  $this->object->addQTIMaterial($xml, $answer->getAnswertext(), FALSE, FALSE);
152  $imagetype = "image/jpeg";
153  if (preg_match("/.*\.(png|gif)$/", $answer->getImageFile(), $matches))
154  {
155  $imagetype = "image/" . $matches[1];
156  }
157  if ($force_image_references)
158  {
159  $attrs = array(
160  "imagtype" => $imagetype,
161  "label" => $answer->getImageFile(),
162  "uri" => $answer->getImageWebPath()
163  );
164  $xml->xmlElement("matimage", $attrs);
165  }
166  else
167  {
168  $imagepath = $answer->getImageFsPath();
169  $fh = @fopen($imagepath, "rb");
170  if ($fh != false)
171  {
172  $imagefile = fread($fh, filesize($imagepath));
173  fclose($fh);
174  $base64 = base64_encode($imagefile);
175  $attrs = array(
176  "imagtype" => $imagetype,
177  "label" => $answer->getImageFile(),
178  "embedded" => "base64"
179  );
180  $xml->xmlElement("matimage", $attrs, $base64, FALSE, FALSE);
181  }
182  }
183  $xml->xmlEndTag("material");
184  }
185  else
186  {
187  $this->object->addQTIMaterial($xml, $answer->getAnswertext());
188  }
189  $xml->xmlEndTag("response_label");
190  }
191  $xml->xmlEndTag("render_choice");
192  $xml->xmlEndTag("response_lid");
193  $xml->xmlEndTag("flow");
194  $xml->xmlEndTag("presentation");
195 
196  // PART II: qti resprocessing
197 
198  $xml->xmlStartTag('resprocessing');
199 
200  $xml->xmlStartTag('outcomes');
201  $xml->xmlElement('decvar', array(
202  'varname' => 'SCORE', 'vartype' => 'Decimal', 'defaultval' => '0',
203  'minvalue' => $this->getMinPoints(), 'maxvalue' => $this->getMaxPoints()
204  ));
205  $xml->xmlEndTag('outcomes');
206 
207 
208  foreach ($answers as $answer)
209  {
210  $xml->xmlStartTag('respcondition', array('continue' => 'Yes'));
211 
212  $xml->xmlStartTag('conditionvar');
213  $xml->xmlElement('varequal', array('respident' => $answer->getPosition()), $answer->getCorrectness());
214  $xml->xmlEndTag('conditionvar');
215 
216  $xml->xmlElement('displayfeedback', array(
217  'feedbacktype' => 'Response', 'linkrefid' => "response_{$answer->getPosition()}"
218  ));
219 
220  $xml->xmlEndTag('respcondition');
221  }
222 
223  $feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
224  $this->object->getId(), true
225  );
226 
227  $xml->xmlStartTag('respcondition', array('continue' => 'Yes'));
228 
229  $xml->xmlStartTag('conditionvar');
230  $xml->xmlStartTag('and');
231  foreach ($answers as $answer)
232  {
233  $xml->xmlElement('varequal', array('respident' => $answer->getPosition()), $answer->getCorrectness());
234  }
235  $xml->xmlEndTag('and');
236  $xml->xmlEndTag('conditionvar');
237 
238  $xml->xmlElement('setvar', array('action' => 'Add'), $this->object->getPoints());
239 
240  if( strlen($feedback_allcorrect) )
241  {
242  $xml->xmlElement('displayfeedback', array('feedbacktype' => 'Response', 'linkrefid' => 'response_allcorrect'));
243  }
244 
245  $xml->xmlEndTag('respcondition');
246 
247  $feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
248  $this->object->getId(), false
249  );
250 
251  $xml->xmlStartTag('respcondition', array('continue' => 'Yes'));
252 
253  $xml->xmlStartTag('conditionvar');
254  $xml->xmlStartTag('or');
255  foreach ($answers as $answer)
256  {
257  $xml->xmlStartTag('not');
258  $xml->xmlElement('varequal', array('respident' => $answer->getPosition()), $answer->getCorrectness());
259  $xml->xmlEndTag('not');
260  }
261  $xml->xmlEndTag('or');
262  $xml->xmlEndTag('conditionvar');
263 
264  $xml->xmlElement('setvar', array('action' => 'Add'), 0);
265 
266  if (strlen($feedback_onenotcorrect))
267  {
268  $xml->xmlElement('displayfeedback', array('feedbacktype' => 'Response', 'linkrefid' => 'response_onenotcorrect'));
269  }
270 
271  $xml->xmlEndTag('respcondition');
272 
273  $xml->xmlEndTag('resprocessing');
274 
275  foreach ($answers as $answer)
276  {
277  $xml->xmlStartTag('itemfeedback', array('ident' => "response_{$answer->getPosition()}", 'view' => 'All'));
278  $xml->xmlStartTag('flow_mat');
279 
280  $this->object->addQTIMaterial($xml, $this->object->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation(
281  $this->object->getId(), $answer->getPosition()
282  ));
283 
284  $xml->xmlEndTag('flow_mat');
285  $xml->xmlEndTag('itemfeedback');
286  }
287  if (strlen($feedback_allcorrect))
288  {
289  $xml->xmlStartTag('itemfeedback', array('ident' => 'response_allcorrect', 'view' => 'All'));
290  $xml->xmlStartTag('flow_mat');
291 
292  $this->object->addQTIMaterial($xml, $feedback_allcorrect);
293 
294  $xml->xmlEndTag('flow_mat');
295  $xml->xmlEndTag('itemfeedback');
296  }
297  if (strlen($feedback_onenotcorrect))
298  {
299  $xml->xmlStartTag('itemfeedback', array('ident' => 'response_onenotcorrect', 'view' => 'All'));
300  $xml->xmlStartTag('flow_mat');
301 
302  $this->object->addQTIMaterial($xml, $feedback_onenotcorrect);
303 
304  $xml->xmlEndTag('flow_mat');
305  $xml->xmlEndTag('itemfeedback');
306  }
307 
308  $xml->xmlEndTag("item");
309  $xml->xmlEndTag("questestinterop");
310 
311  $xml = $xml->xmlDumpMem(FALSE);
312  if (!$a_include_header)
313  {
314  $pos = strpos($xml, "?>");
315  $xml = substr($xml, $pos + 2);
316  }
317  return $xml;
318  }
KPRIM_CHOICE_QUESTION_IDENTIFIER
const KPRIM_CHOICE_QUESTION_IDENTIFIER
Definition: inc.AssessmentConstants.php:39
ilXmlWriter
XML writer class.
Definition: class.ilXmlWriter.php:17
assQuestionExport\addGeneralMetadata
addGeneralMetadata(ilXmlWriter $xmlwriter)
Definition: class.assQuestionExport.php:210
ilXmlWriter\xmlHeader
xmlHeader()
Writes xml header public.
Definition: class.ilXmlWriter.php:297
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
+ Here is the call graph for this function:

Field Documentation

◆ $object

assKprimChoiceExport::$object

Definition at line 17 of file class.assKprimChoiceExport.php.

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