ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
Public Member Functions
assImagemapQuestionExport Class Reference
Modules/TestQuestionPool

Class for imagemap question exports. More...

+ Inheritance diagram for assImagemapQuestionExport:
+ Collaboration diagram for assImagemapQuestionExport:

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 imagemap question exports.

assImagemapQuestionExport is a class for imagemap 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.assImagemapQuestionExport.php.

Member Function Documentation

◆ toXML()

assImagemapQuestionExport::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 public

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

References $GLOBALS, $ilErr, assQuestionExport\addAdditionalContentEditingModeInformation(), assQuestionExport\addGeneralMetadata(), IMAGEMAP_QUESTION_IDENTIFIER, and ilXmlWriter\xmlHeader().

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, IMAGEMAP_QUESTION_IDENTIFIER);
57  $a_xml_writer->xmlEndTag("qtimetadatafield");
58  $a_xml_writer->xmlStartTag("qtimetadatafield");
59  $a_xml_writer->xmlElement("fieldlabel", NULL, "IS_MULTIPLE_CHOICE");
60  $a_xml_writer->xmlElement("fieldentry", NULL, ($this->object->getIsMultipleChoice())? "1": "0" );
61  $a_xml_writer->xmlEndTag("qtimetadatafield");
62  $a_xml_writer->xmlStartTag("qtimetadatafield");
63  $a_xml_writer->xmlElement("fieldlabel", NULL, "AUTHOR");
64  $a_xml_writer->xmlElement("fieldentry", NULL, $this->object->getAuthor());
65  $a_xml_writer->xmlEndTag("qtimetadatafield");
66 
67  // additional content editing information
68  $this->addAdditionalContentEditingModeInformation($a_xml_writer);
69  $this->addGeneralMetadata($a_xml_writer);
70 
71  $a_xml_writer->xmlEndTag("qtimetadata");
72  $a_xml_writer->xmlEndTag("itemmetadata");
73 
74  // PART I: qti presentation
75  $attrs = array(
76  "label" => $this->object->getTitle()
77  );
78  $a_xml_writer->xmlStartTag("presentation", $attrs);
79  // add flow to presentation
80  $a_xml_writer->xmlStartTag("flow");
81  // add material with question text to presentation
82  $this->object->addQTIMaterial($a_xml_writer, $this->object->getQuestion());
83  // add answers to presentation
84  $attrs = array(
85  "ident" => "IM",
86  "rcardinality" => "Single"
87  );
88  $a_xml_writer->xmlStartTag("response_xy", $attrs);
89  $solution = $this->object->getSuggestedSolution(0);
90  if (count($solution))
91  {
92  if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches))
93  {
94  $a_xml_writer->xmlStartTag("material");
95  $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
96  if (strcmp($matches[1], "") != 0)
97  {
98  $intlink = $solution["internal_link"];
99  }
100  $attrs = array(
101  "label" => "suggested_solution"
102  );
103  $a_xml_writer->xmlElement("mattext", $attrs, $intlink);
104  $a_xml_writer->xmlEndTag("material");
105  }
106  }
107  $a_xml_writer->xmlStartTag("render_hotspot");
108  $a_xml_writer->xmlStartTag("material");
109  $imagetype = "image/jpeg";
110  if (preg_match("/.*\.(png|gif)$/i", $this->object->getImageFilename(), $matches))
111  {
112  $imagetype = "image/" . strtolower($matches[1]);
113  }
114  $attrs = array(
115  "imagtype" => $imagetype,
116  "label" => $this->object->getImageFilename()
117  );
118  if ($a_include_binary)
119  {
120  if ($force_image_references)
121  {
122  $attrs["uri"] = $this->object->getImagePathWeb() . $this->object->getImageFilename();
123  $a_xml_writer->xmlElement("matimage", $attrs);
124  }
125  else
126  {
127  $attrs["embedded"] = "base64";
128  $imagepath = $this->object->getImagePath() . $this->object->getImageFilename();
129  $fh = fopen($imagepath, "rb");
130  if ($fh == false)
131  {
132  global $ilErr;
133  $ilErr->raiseError($GLOBALS['lng']->txt("error_open_image_file"), $ilErr->MESSAGE);
134  return;
135  }
136  $imagefile = fread($fh, filesize($imagepath));
137  fclose($fh);
138  $base64 = base64_encode($imagefile);
139  $a_xml_writer->xmlElement("matimage", $attrs, $base64, FALSE, FALSE);
140  }
141  }
142  else
143  {
144  $a_xml_writer->xmlElement("matimage", $attrs);
145  }
146  $a_xml_writer->xmlEndTag("material");
147 
148  // add answers
149  foreach ($this->object->getAnswers() as $index => $answer)
150  {
151  $rared = "";
152  switch ($answer->getArea())
153  {
154  case "rect":
155  $rarea = "Rectangle";
156  break;
157  case "circle":
158  $rarea = "Ellipse";
159  break;
160  case "poly":
161  $rarea = "Bounded";
162  break;
163  }
164  $attrs = array(
165  "ident" => $index,
166  "rarea" => $rarea
167  );
168  $a_xml_writer->xmlStartTag("response_label", $attrs);
169  $a_xml_writer->xmlData($answer->getCoords());
170  $a_xml_writer->xmlStartTag("material");
171  $a_xml_writer->xmlElement("mattext", NULL, $answer->getAnswertext());
172  $a_xml_writer->xmlEndTag("material");
173  $a_xml_writer->xmlEndTag("response_label");
174  }
175  $a_xml_writer->xmlEndTag("render_hotspot");
176  $a_xml_writer->xmlEndTag("response_xy");
177  $a_xml_writer->xmlEndTag("flow");
178  $a_xml_writer->xmlEndTag("presentation");
179 
180  // PART II: qti resprocessing
181  $a_xml_writer->xmlStartTag("resprocessing");
182  $a_xml_writer->xmlStartTag("outcomes");
183  $a_xml_writer->xmlStartTag("decvar");
184  $a_xml_writer->xmlEndTag("decvar");
185  $a_xml_writer->xmlEndTag("outcomes");
186  // add response conditions
187  foreach ($this->object->getAnswers() as $index => $answer)
188  {
189  $attrs = array(
190  "continue" => "Yes"
191  );
192  $a_xml_writer->xmlStartTag("respcondition", $attrs);
193  // qti conditionvar
194  $a_xml_writer->xmlStartTag("conditionvar");
195  if (!$answer->isStateSet())
196  {
197  $a_xml_writer->xmlStartTag("not");
198  }
199  $areatype = "";
200  switch ($answer->getArea())
201  {
202  case "rect":
203  $areatype = "Rectangle";
204  break;
205  case "circle":
206  $areatype = "Ellipse";
207  break;
208  case "poly":
209  $areatype = "Bounded";
210  break;
211  }
212  $attrs = array(
213  "respident" => "IM",
214  "areatype" => $areatype
215  );
216  $a_xml_writer->xmlElement("varequal", $attrs, $answer->getCoords());
217  if (!$answer->isStateSet())
218  {
219  $a_xml_writer->xmlEndTag("not");
220  }
221  $a_xml_writer->xmlEndTag("conditionvar");
222  // qti setvar
223  $attrs = array(
224  "action" => "Add"
225  );
226  $a_xml_writer->xmlElement("setvar", $attrs, $answer->getPoints());
227  $linkrefid = "response_$index";
228  $attrs = array(
229  "feedbacktype" => "Response",
230  "linkrefid" => $linkrefid
231  );
232  $a_xml_writer->xmlElement("displayfeedback", $attrs);
233  $a_xml_writer->xmlEndTag("respcondition");
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  "respident" => "IM"
242  );
243  $a_xml_writer->xmlStartTag("not");
244  $a_xml_writer->xmlElement("varequal", $attrs, $answer->getCoords());
245  $a_xml_writer->xmlEndTag("not");
246  $a_xml_writer->xmlEndTag("conditionvar");
247  // qti setvar
248  $attrs = array(
249  "action" => "Add"
250  );
251  $a_xml_writer->xmlElement("setvar", $attrs, $answer->getPointsUnchecked());
252  $a_xml_writer->xmlEndTag("respcondition");
253  }
254 
255  $answers = $this->object->getAnswers();
256  $feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
257  $this->object->getId(), true
258  );
259  if (strlen($feedback_allcorrect))
260  {
261  $attrs = array(
262  "continue" => "Yes"
263  );
264  $a_xml_writer->xmlStartTag("respcondition", $attrs);
265  // qti conditionvar
266  $a_xml_writer->xmlStartTag("conditionvar");
267  if(!$this->object->getIsMultipleChoice())
268  {
269  $bestindex = 0;
270  $maxpoints = 0;
271  foreach ($answers as $index => $answer)
272  {
273  if ($answer->getPoints() > $maxpoints)
274  {
275  $maxpoints = $answer->getPoints();
276  $bestindex = $index;
277  }
278  }
279  $attrs = array(
280  "respident" => "IM"
281  );
282 
283  $areatype = "";
284  $answer = $answers[$bestindex];
285  switch ($answer->getArea())
286  {
287  case "rect":
288  $areatype = "Rectangle";
289  break;
290  case "circle":
291  $areatype = "Ellipse";
292  break;
293  case "poly":
294  $areatype = "Bounded";
295  break;
296  }
297  $attrs = array(
298  "respident" => "IM",
299  "areatype" => $areatype
300  );
301  $a_xml_writer->xmlElement("varinside", $attrs, $answer->getCoords());
302  }
303  else
304  {
305  foreach ($answers as $index => $answer)
306  {
307  if ($answer->getPoints() < $answer->getPointsUnchecked())
308  {
309  $a_xml_writer->xmlStartTag("not");
310  }
311  switch ($answer->getArea())
312  {
313  case "rect":
314  $areatype = "Rectangle";
315  break;
316  case "circle":
317  $areatype = "Ellipse";
318  break;
319  case "poly":
320  $areatype = "Bounded";
321  break;
322  }
323  $attrs = array(
324  "respident" => "IM",
325  "areatype" => $areatype
326  );
327  $a_xml_writer->xmlElement("varequal", $attrs, $index);
328  if ($answer->getPoints() < $answer->getPointsUnchecked())
329  {
330  $a_xml_writer->xmlEndTag("not");
331  }
332  }
333  }
334 
335  $a_xml_writer->xmlEndTag("conditionvar");
336  // qti displayfeedback
337  $attrs = array(
338  "feedbacktype" => "Response",
339  "linkrefid" => "response_allcorrect"
340  );
341  $a_xml_writer->xmlElement("displayfeedback", $attrs);
342  $a_xml_writer->xmlEndTag("respcondition");
343  }
344 
345  $feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
346  $this->object->getId(), false
347  );
348  if (strlen($feedback_onenotcorrect))
349  {
350  $attrs = array(
351  "continue" => "Yes"
352  );
353  $a_xml_writer->xmlStartTag("respcondition", $attrs);
354  // qti conditionvar
355  $a_xml_writer->xmlStartTag("conditionvar");
356  if(!$this->object->getIsMultipleChoice())
357  {
358  $bestindex = 0;
359  $maxpoints = 0;
360  foreach ($answers as $index => $answer)
361  {
362  if ($answer->getPoints() > $maxpoints)
363  {
364  $maxpoints = $answer->getPoints();
365  $bestindex = $index;
366  }
367  }
368  $attrs = array(
369  "respident" => "IM"
370  );
371  $a_xml_writer->xmlStartTag("not");
372 
373  $areatype = "";
374  $answer = $answers[$bestindex];
375  switch ($answer->getArea())
376  {
377  case "rect":
378  $areatype = "Rectangle";
379  break;
380  case "circle":
381  $areatype = "Ellipse";
382  break;
383  case "poly":
384  $areatype = "Bounded";
385  break;
386  }
387  $attrs = array(
388  "respident" => "IM",
389  "areatype" => $areatype
390  );
391  $a_xml_writer->xmlElement("varinside", $attrs, $answer->getCoords());
392 
393  $a_xml_writer->xmlEndTag("not");
394  }
395  else
396  {
397  foreach ($answers as $index => $answer)
398  {
399  if ($index > 0)
400  {
401  $a_xml_writer->xmlStartTag("or");
402  }
403  if ($answer->getPoints() >= $answer->getPointsUnchecked())
404  {
405  $a_xml_writer->xmlStartTag("not");
406  }
407  switch ($answer->getArea())
408  {
409  case "rect":
410  $areatype = "Rectangle";
411  break;
412  case "circle":
413  $areatype = "Ellipse";
414  break;
415  case "poly":
416  $areatype = "Bounded";
417  break;
418  }
419  $attrs = array(
420  "respident" => "IM",
421  "areatype" => $areatype
422  );
423  $a_xml_writer->xmlElement("varequal", $attrs, $index);
424  if ($answer->getPoints() >= $answer->getPointsUnchecked())
425  {
426  $a_xml_writer->xmlEndTag("not");
427  }
428  if ($index > 0)
429  {
430  $a_xml_writer->xmlEndTag("or");
431  }
432  }
433  }
434  $a_xml_writer->xmlEndTag("conditionvar");
435  // qti displayfeedback
436  $attrs = array(
437  "feedbacktype" => "Response",
438  "linkrefid" => "response_onenotcorrect"
439  );
440  $a_xml_writer->xmlElement("displayfeedback", $attrs);
441  $a_xml_writer->xmlEndTag("respcondition");
442  }
443 
444  $a_xml_writer->xmlEndTag("resprocessing");
445 
446  // PART III: qti itemfeedback
447  foreach ($this->object->getAnswers() as $index => $answer)
448  {
449  $linkrefid = "";
450  $linkrefid = "response_$index";
451  $attrs = array(
452  "ident" => $linkrefid,
453  "view" => "All"
454  );
455  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
456  // qti flow_mat
457  $a_xml_writer->xmlStartTag("flow_mat");
458  $fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation(
459  $this->object->getId(), $index
460  );
461  $this->object->addQTIMaterial($a_xml_writer, $fb);
462  $a_xml_writer->xmlEndTag("flow_mat");
463  $a_xml_writer->xmlEndTag("itemfeedback");
464  }
465  if (strlen($feedback_allcorrect))
466  {
467  $attrs = array(
468  "ident" => "response_allcorrect",
469  "view" => "All"
470  );
471  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
472  // qti flow_mat
473  $a_xml_writer->xmlStartTag("flow_mat");
474  $this->object->addQTIMaterial($a_xml_writer, $feedback_allcorrect);
475  $a_xml_writer->xmlEndTag("flow_mat");
476  $a_xml_writer->xmlEndTag("itemfeedback");
477  }
478  if (strlen($feedback_onenotcorrect))
479  {
480  $attrs = array(
481  "ident" => "response_onenotcorrect",
482  "view" => "All"
483  );
484  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
485  // qti flow_mat
486  $a_xml_writer->xmlStartTag("flow_mat");
487  $this->object->addQTIMaterial($a_xml_writer, $feedback_onenotcorrect);
488  $a_xml_writer->xmlEndTag("flow_mat");
489  $a_xml_writer->xmlEndTag("itemfeedback");
490  }
491 
492  $a_xml_writer->xmlEndTag("item");
493  $a_xml_writer->xmlEndTag("questestinterop");
494 
495  $xml = $a_xml_writer->xmlDumpMem(FALSE);
496  if (!$a_include_header)
497  {
498  $pos = strpos($xml, "?>");
499  $xml = substr($xml, $pos + 2);
500  }
501  return $xml;
502  }
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
$GLOBALS
$GLOBALS['PHPCAS_CLIENT']
This global variable is used by the interface class phpCAS.
Definition: CAS.php:276
IMAGEMAP_QUESTION_IDENTIFIER
const IMAGEMAP_QUESTION_IDENTIFIER
Definition: inc.AssessmentConstants.php:26
$ilErr
$ilErr
Definition: inc.setup_header.php:67
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The documentation for this class was generated from the following file: