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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
 __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
 
const ITEM_SOLUTIONHINT = 'solutionhint'
 
- 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

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 $DIC, $GLOBALS, $ilErr, $index, $xml, assQuestionExport\addAdditionalContentEditingModeInformation(), assQuestionExport\addGeneralMetadata(), assQuestionExport\addSolutionHints(), IL_INST_ID, IMAGEMAP_QUESTION_IDENTIFIER, and ilXmlWriter\xmlHeader().

27  {
28  global $DIC;
29  $ilias = $DIC['ilias'];
30 
31  include_once("./Services/Xml/classes/class.ilXmlWriter.php");
32  $a_xml_writer = new ilXmlWriter;
33  // set xml header
34  $a_xml_writer->xmlHeader();
35  $a_xml_writer->xmlStartTag("questestinterop");
36  $attrs = array(
37  "ident" => "il_" . IL_INST_ID . "_qst_" . $this->object->getId(),
38  "title" => $this->object->getTitle(),
39  "maxattempts" => $this->object->getNrOfTries()
40  );
41  $a_xml_writer->xmlStartTag("item", $attrs);
42  // add question description
43  $a_xml_writer->xmlElement("qticomment", null, $this->object->getComment());
44  // add estimated working time
45  $workingtime = $this->object->getEstimatedWorkingTime();
46  $duration = sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]);
47  $a_xml_writer->xmlElement("duration", null, $duration);
48  // add ILIAS specific metadata
49  $a_xml_writer->xmlStartTag("itemmetadata");
50  $a_xml_writer->xmlStartTag("qtimetadata");
51  $a_xml_writer->xmlStartTag("qtimetadatafield");
52  $a_xml_writer->xmlElement("fieldlabel", null, "ILIAS_VERSION");
53  $a_xml_writer->xmlElement("fieldentry", null, $ilias->getSetting("ilias_version"));
54  $a_xml_writer->xmlEndTag("qtimetadatafield");
55  $a_xml_writer->xmlStartTag("qtimetadatafield");
56  $a_xml_writer->xmlElement("fieldlabel", null, "QUESTIONTYPE");
57  $a_xml_writer->xmlElement("fieldentry", null, IMAGEMAP_QUESTION_IDENTIFIER);
58  $a_xml_writer->xmlEndTag("qtimetadatafield");
59  $a_xml_writer->xmlStartTag("qtimetadatafield");
60  $a_xml_writer->xmlElement("fieldlabel", null, "IS_MULTIPLE_CHOICE");
61  $a_xml_writer->xmlElement("fieldentry", null, ($this->object->getIsMultipleChoice())? "1": "0");
62  $a_xml_writer->xmlEndTag("qtimetadatafield");
63  $a_xml_writer->xmlStartTag("qtimetadatafield");
64  $a_xml_writer->xmlElement("fieldlabel", null, "AUTHOR");
65  $a_xml_writer->xmlElement("fieldentry", null, $this->object->getAuthor());
66  $a_xml_writer->xmlEndTag("qtimetadatafield");
67 
68  // additional content editing information
69  $this->addAdditionalContentEditingModeInformation($a_xml_writer);
70  $this->addGeneralMetadata($a_xml_writer);
71 
72  $a_xml_writer->xmlEndTag("qtimetadata");
73  $a_xml_writer->xmlEndTag("itemmetadata");
74 
75  // PART I: qti presentation
76  $attrs = array(
77  "label" => $this->object->getTitle()
78  );
79  $a_xml_writer->xmlStartTag("presentation", $attrs);
80  // add flow to presentation
81  $a_xml_writer->xmlStartTag("flow");
82  // add material with question text to presentation
83  $this->object->addQTIMaterial($a_xml_writer, $this->object->getQuestion());
84  // add answers to presentation
85  $attrs = array(
86  "ident" => "IM",
87  "rcardinality" => "Single"
88  );
89  $a_xml_writer->xmlStartTag("response_xy", $attrs);
90  $solution = $this->object->getSuggestedSolution(0);
91  if (count($solution)) {
92  if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches)) {
93  $a_xml_writer->xmlStartTag("material");
94  $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
95  if (strcmp($matches[1], "") != 0) {
96  $intlink = $solution["internal_link"];
97  }
98  $attrs = array(
99  "label" => "suggested_solution"
100  );
101  $a_xml_writer->xmlElement("mattext", $attrs, $intlink);
102  $a_xml_writer->xmlEndTag("material");
103  }
104  }
105  $a_xml_writer->xmlStartTag("render_hotspot");
106  $a_xml_writer->xmlStartTag("material");
107  $imagetype = "image/jpeg";
108  if (preg_match("/.*\.(png|gif)$/i", $this->object->getImageFilename(), $matches)) {
109  $imagetype = "image/" . strtolower($matches[1]);
110  }
111  $attrs = array(
112  "imagtype" => $imagetype,
113  "label" => $this->object->getImageFilename()
114  );
115  if ($a_include_binary) {
116  if ($force_image_references) {
117  $attrs["uri"] = $this->object->getImagePathWeb() . $this->object->getImageFilename();
118  $a_xml_writer->xmlElement("matimage", $attrs);
119  } else {
120  $attrs["embedded"] = "base64";
121  $imagepath = $this->object->getImagePath() . $this->object->getImageFilename();
122  $fh = fopen($imagepath, "rb");
123  if ($fh == false) {
124  global $DIC;
125  $ilErr = $DIC['ilErr'];
126  $ilErr->raiseError($GLOBALS['DIC']['lng']->txt("error_open_image_file"), $ilErr->MESSAGE);
127  return;
128  }
129  $imagefile = fread($fh, filesize($imagepath));
130  fclose($fh);
131  $base64 = base64_encode($imagefile);
132  $a_xml_writer->xmlElement("matimage", $attrs, $base64, false, false);
133  }
134  } else {
135  $a_xml_writer->xmlElement("matimage", $attrs);
136  }
137  $a_xml_writer->xmlEndTag("material");
138 
139  // add answers
140  foreach ($this->object->getAnswers() as $index => $answer) {
141  $rared = "";
142  switch ($answer->getArea()) {
143  case "rect":
144  $rarea = "Rectangle";
145  break;
146  case "circle":
147  $rarea = "Ellipse";
148  break;
149  case "poly":
150  $rarea = "Bounded";
151  break;
152  }
153  $attrs = array(
154  "ident" => $index,
155  "rarea" => $rarea
156  );
157  $a_xml_writer->xmlStartTag("response_label", $attrs);
158  $a_xml_writer->xmlData($answer->getCoords());
159  $a_xml_writer->xmlStartTag("material");
160  $a_xml_writer->xmlElement("mattext", null, $answer->getAnswertext());
161  $a_xml_writer->xmlEndTag("material");
162  $a_xml_writer->xmlEndTag("response_label");
163  }
164  $a_xml_writer->xmlEndTag("render_hotspot");
165  $a_xml_writer->xmlEndTag("response_xy");
166  $a_xml_writer->xmlEndTag("flow");
167  $a_xml_writer->xmlEndTag("presentation");
168 
169  // PART II: qti resprocessing
170  $a_xml_writer->xmlStartTag("resprocessing");
171  $a_xml_writer->xmlStartTag("outcomes");
172  $a_xml_writer->xmlStartTag("decvar");
173  $a_xml_writer->xmlEndTag("decvar");
174  $a_xml_writer->xmlEndTag("outcomes");
175  // add response conditions
176  foreach ($this->object->getAnswers() as $index => $answer) {
177  $attrs = array(
178  "continue" => "Yes"
179  );
180  $a_xml_writer->xmlStartTag("respcondition", $attrs);
181  // qti conditionvar
182  $a_xml_writer->xmlStartTag("conditionvar");
183  if (!$answer->isStateSet()) {
184  $a_xml_writer->xmlStartTag("not");
185  }
186  $areatype = "";
187  switch ($answer->getArea()) {
188  case "rect":
189  $areatype = "Rectangle";
190  break;
191  case "circle":
192  $areatype = "Ellipse";
193  break;
194  case "poly":
195  $areatype = "Bounded";
196  break;
197  }
198  $attrs = array(
199  "respident" => "IM",
200  "areatype" => $areatype
201  );
202  $a_xml_writer->xmlElement("varequal", $attrs, $answer->getCoords());
203  if (!$answer->isStateSet()) {
204  $a_xml_writer->xmlEndTag("not");
205  }
206  $a_xml_writer->xmlEndTag("conditionvar");
207  // qti setvar
208  $attrs = array(
209  "action" => "Add"
210  );
211  $a_xml_writer->xmlElement("setvar", $attrs, $answer->getPoints());
212  $linkrefid = "response_$index";
213  $attrs = array(
214  "feedbacktype" => "Response",
215  "linkrefid" => $linkrefid
216  );
217  $a_xml_writer->xmlElement("displayfeedback", $attrs);
218  $a_xml_writer->xmlEndTag("respcondition");
219  $attrs = array(
220  "continue" => "Yes"
221  );
222  $a_xml_writer->xmlStartTag("respcondition", $attrs);
223  // qti conditionvar
224  $a_xml_writer->xmlStartTag("conditionvar");
225  $attrs = array(
226  "respident" => "IM"
227  );
228  $a_xml_writer->xmlStartTag("not");
229  $a_xml_writer->xmlElement("varequal", $attrs, $answer->getCoords());
230  $a_xml_writer->xmlEndTag("not");
231  $a_xml_writer->xmlEndTag("conditionvar");
232  // qti setvar
233  $attrs = array(
234  "action" => "Add"
235  );
236  $a_xml_writer->xmlElement("setvar", $attrs, $answer->getPointsUnchecked());
237  $a_xml_writer->xmlEndTag("respcondition");
238  }
239 
240  $answers = $this->object->getAnswers();
241  $feedback_allcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
242  $this->object->getId(),
243  true
244  );
245  if (strlen($feedback_allcorrect) && count($answers) > 0) {
246  $attrs = array(
247  "continue" => "Yes"
248  );
249  $a_xml_writer->xmlStartTag("respcondition", $attrs);
250  // qti conditionvar
251  $a_xml_writer->xmlStartTag("conditionvar");
252  if (!$this->object->getIsMultipleChoice()) {
253  $bestindex = 0;
254  $maxpoints = 0;
255  foreach ($answers as $index => $answer) {
256  if ($answer->getPoints() > $maxpoints) {
257  $maxpoints = $answer->getPoints();
258  $bestindex = $index;
259  }
260  }
261 
262  $areatype = "";
263  $answer = $answers[$bestindex];
264  switch ($answer->getArea()) {
265  case "rect":
266  $areatype = "Rectangle";
267  break;
268  case "circle":
269  $areatype = "Ellipse";
270  break;
271  case "poly":
272  $areatype = "Bounded";
273  break;
274  }
275  $attrs = array(
276  "respident" => "IM",
277  "areatype" => $areatype
278  );
279  $a_xml_writer->xmlElement("varinside", $attrs, $answer->getCoords());
280  } else {
281  foreach ($answers as $index => $answer) {
282  if ($answer->getPoints() < $answer->getPointsUnchecked()) {
283  $a_xml_writer->xmlStartTag("not");
284  }
285  switch ($answer->getArea()) {
286  case "rect":
287  $areatype = "Rectangle";
288  break;
289  case "circle":
290  $areatype = "Ellipse";
291  break;
292  case "poly":
293  $areatype = "Bounded";
294  break;
295  }
296  $attrs = array(
297  "respident" => "IM",
298  "areatype" => $areatype
299  );
300  $a_xml_writer->xmlElement("varequal", $attrs, $index);
301  if ($answer->getPoints() < $answer->getPointsUnchecked()) {
302  $a_xml_writer->xmlEndTag("not");
303  }
304  }
305  }
306 
307  $a_xml_writer->xmlEndTag("conditionvar");
308  // qti displayfeedback
309  $attrs = array(
310  "feedbacktype" => "Response",
311  "linkrefid" => "response_allcorrect"
312  );
313  $a_xml_writer->xmlElement("displayfeedback", $attrs);
314  $a_xml_writer->xmlEndTag("respcondition");
315  }
316 
317  $feedback_onenotcorrect = $this->object->feedbackOBJ->getGenericFeedbackExportPresentation(
318  $this->object->getId(),
319  false
320  );
321  if (strlen($feedback_onenotcorrect) && count($answers) > 0) {
322  $attrs = array(
323  "continue" => "Yes"
324  );
325  $a_xml_writer->xmlStartTag("respcondition", $attrs);
326  // qti conditionvar
327  $a_xml_writer->xmlStartTag("conditionvar");
328  if (!$this->object->getIsMultipleChoice()) {
329  $bestindex = 0;
330  $maxpoints = 0;
331  foreach ($answers as $index => $answer) {
332  if ($answer->getPoints() > $maxpoints) {
333  $maxpoints = $answer->getPoints();
334  $bestindex = $index;
335  }
336  }
337  $attrs = array(
338  "respident" => "IM"
339  );
340  $a_xml_writer->xmlStartTag("not");
341 
342  $areatype = "";
343  $answer = $answers[$bestindex];
344  switch ($answer->getArea()) {
345  case "rect":
346  $areatype = "Rectangle";
347  break;
348  case "circle":
349  $areatype = "Ellipse";
350  break;
351  case "poly":
352  $areatype = "Bounded";
353  break;
354  }
355  $attrs = array(
356  "respident" => "IM",
357  "areatype" => $areatype
358  );
359  $a_xml_writer->xmlElement("varinside", $attrs, $answer->getCoords());
360 
361  $a_xml_writer->xmlEndTag("not");
362  } else {
363  foreach ($answers as $index => $answer) {
364  if ($index > 0) {
365  $a_xml_writer->xmlStartTag("or");
366  }
367  if ($answer->getPoints() >= $answer->getPointsUnchecked()) {
368  $a_xml_writer->xmlStartTag("not");
369  }
370  switch ($answer->getArea()) {
371  case "rect":
372  $areatype = "Rectangle";
373  break;
374  case "circle":
375  $areatype = "Ellipse";
376  break;
377  case "poly":
378  $areatype = "Bounded";
379  break;
380  }
381  $attrs = array(
382  "respident" => "IM",
383  "areatype" => $areatype
384  );
385  $a_xml_writer->xmlElement("varequal", $attrs, $index);
386  if ($answer->getPoints() >= $answer->getPointsUnchecked()) {
387  $a_xml_writer->xmlEndTag("not");
388  }
389  if ($index > 0) {
390  $a_xml_writer->xmlEndTag("or");
391  }
392  }
393  }
394  $a_xml_writer->xmlEndTag("conditionvar");
395  // qti displayfeedback
396  $attrs = array(
397  "feedbacktype" => "Response",
398  "linkrefid" => "response_onenotcorrect"
399  );
400  $a_xml_writer->xmlElement("displayfeedback", $attrs);
401  $a_xml_writer->xmlEndTag("respcondition");
402  }
403 
404  $a_xml_writer->xmlEndTag("resprocessing");
405 
406  // PART III: qti itemfeedback
407  foreach ($this->object->getAnswers() as $index => $answer) {
408  $linkrefid = "";
409  $linkrefid = "response_$index";
410  $attrs = array(
411  "ident" => $linkrefid,
412  "view" => "All"
413  );
414  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
415  // qti flow_mat
416  $a_xml_writer->xmlStartTag("flow_mat");
417  $fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation(
418  $this->object->getId(),
419  0,
420  $index
421  );
422  $this->object->addQTIMaterial($a_xml_writer, $fb);
423  $a_xml_writer->xmlEndTag("flow_mat");
424  $a_xml_writer->xmlEndTag("itemfeedback");
425  }
426  if (strlen($feedback_allcorrect)) {
427  $attrs = array(
428  "ident" => "response_allcorrect",
429  "view" => "All"
430  );
431  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
432  // qti flow_mat
433  $a_xml_writer->xmlStartTag("flow_mat");
434  $this->object->addQTIMaterial($a_xml_writer, $feedback_allcorrect);
435  $a_xml_writer->xmlEndTag("flow_mat");
436  $a_xml_writer->xmlEndTag("itemfeedback");
437  }
438  if (strlen($feedback_onenotcorrect)) {
439  $attrs = array(
440  "ident" => "response_onenotcorrect",
441  "view" => "All"
442  );
443  $a_xml_writer->xmlStartTag("itemfeedback", $attrs);
444  // qti flow_mat
445  $a_xml_writer->xmlStartTag("flow_mat");
446  $this->object->addQTIMaterial($a_xml_writer, $feedback_onenotcorrect);
447  $a_xml_writer->xmlEndTag("flow_mat");
448  $a_xml_writer->xmlEndTag("itemfeedback");
449  }
450 
451  $a_xml_writer = $this->addSolutionHints($a_xml_writer);
452 
453  $a_xml_writer->xmlEndTag("item");
454  $a_xml_writer->xmlEndTag("questestinterop");
455 
456  $xml = $a_xml_writer->xmlDumpMem(false);
457  if (!$a_include_header) {
458  $pos = strpos($xml, "?>");
459  $xml = substr($xml, $pos + 2);
460  }
461  return $xml;
462  }
IL_INST_ID
const IL_INST_ID
Definition: constants.php:38
ilXmlWriter
XML writer class.
Definition: class.ilXmlWriter.php:17
assQuestionExport\addGeneralMetadata
addGeneralMetadata(ilXmlWriter $xmlwriter)
Definition: class.assQuestionExport.php:206
$index
$index
Definition: metadata.php:128
$ilErr
$ilErr
Definition: raiseError.php:18
$DIC
global $DIC
Definition: goto.php:24
$GLOBALS
if(!defined('PATH_SEPARATOR')) $GLOBALS['_PEAR_default_error_mode']
Definition: PEAR.php:64
ilXmlWriter\xmlHeader
xmlHeader()
Writes xml header public.
Definition: class.ilXmlWriter.php:275
$xml
$xml
Definition: metadata.php:332
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:194
assQuestionExport\addSolutionHints
addSolutionHints(ilXmlWriter $writer)
Definition: class.assQuestionExport.php:225
IMAGEMAP_QUESTION_IDENTIFIER
const IMAGEMAP_QUESTION_IDENTIFIER
Definition: inc.AssessmentConstants.php:26
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The documentation for this class was generated from the following file: