ILIAS  release_5-4 Revision v5.4.26-12-gabc799a52e6
class.assSingleChoice.php
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1<?php
2/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
3
4require_once './Modules/TestQuestionPool/classes/class.assQuestion.php';
5require_once './Modules/Test/classes/inc.AssessmentConstants.php';
6require_once './Modules/TestQuestionPool/interfaces/interface.ilObjQuestionScoringAdjustable.php';
7require_once './Modules/TestQuestionPool/interfaces/interface.ilObjAnswerScoringAdjustable.php';
8require_once './Modules/TestQuestionPool/interfaces/interface.iQuestionCondition.php';
9require_once './Modules/TestQuestionPool/classes/class.ilUserQuestionResult.php';
10require_once 'Modules/TestQuestionPool/interfaces/interface.ilAssSpecificFeedbackOptionLabelProvider.php';
11
26{
34 public $answers;
35
45
51 protected $thumb_size;
52
60
75 public function __construct(
76 $title = "",
77 $comment = "",
78 $author = "",
79 $owner = -1,
80 $question = "",
82 ) {
83 parent::__construct($title, $comment, $author, $owner, $question);
84 $this->thumb_size = 150;
85 $this->output_type = $output_type;
86 $this->answers = array();
87 $this->shuffle = 1;
88 $this->feedback_setting = 2;
89 }
90
97 public function isComplete()
98 {
99 if (strlen($this->title) and ($this->author) and ($this->question) and (count($this->answers)) and ($this->getMaximumPoints() > 0)) {
100 foreach ($this->answers as $answer) {
101 if ((strlen($answer->getAnswertext()) == 0) && (strlen($answer->getImage()) == 0)) {
102 return false;
103 }
104 }
105 return true;
106 } else {
107 return false;
108 }
109 }
110
117 public function saveToDb($original_id = "")
118 {
120 global $DIC;
121 $ilDB = $DIC['ilDB'];
122
124
125 // kann das weg?
126 $oldthumbsize = 0;
127 if ($this->isSingleline && ($this->getThumbSize())) {
128 // get old thumbnail size
129 $result = $ilDB->queryF(
130 "SELECT thumb_size FROM " . $this->getAdditionalTableName() . " WHERE question_fi = %s",
131 array("integer"),
132 array($this->getId())
133 );
134 if ($result->numRows() == 1) {
135 $data = $ilDB->fetchAssoc($result);
136 $oldthumbsize = $data['thumb_size'];
137 }
138 }
139
140
142
144
145 parent::saveToDb($original_id);
146 }
147
148 /*
149 * Rebuild the thumbnail images with a new thumbnail size
150 */
151 protected function rebuildThumbnails()
152 {
153 if ($this->isSingleline && ($this->getThumbSize())) {
154 foreach ($this->getAnswers() as $answer) {
155 if (strlen($answer->getImage())) {
156 $this->generateThumbForFile($this->getImagePath(), $answer->getImage());
157 }
158 }
159 }
160 }
161
162 public function getThumbPrefix()
163 {
164 return "thumb.";
165 }
166
167 protected function generateThumbForFile($path, $file)
168 {
169 $filename = $path . $file;
170 if (@file_exists($filename)) {
171 $thumbpath = $path . $this->getThumbPrefix() . $file;
172 $path_info = @pathinfo($filename);
173 $ext = "";
174 switch (strtoupper($path_info['extension'])) {
175 case 'PNG':
176 $ext = 'PNG';
177 break;
178 case 'GIF':
179 $ext = 'GIF';
180 break;
181 default:
182 $ext = 'JPEG';
183 break;
184 }
185 ilUtil::convertImage($filename, $thumbpath, $ext, $this->getThumbSize());
186 }
187 }
188
196 public function loadFromDb($question_id)
197 {
198 global $DIC;
199 $ilDB = $DIC['ilDB'];
200
201 $hasimages = 0;
202
203 $result = $ilDB->queryF(
204 "SELECT qpl_questions.*, " . $this->getAdditionalTableName() . ".* FROM qpl_questions LEFT JOIN " . $this->getAdditionalTableName() . " ON " . $this->getAdditionalTableName() . ".question_fi = qpl_questions.question_id WHERE qpl_questions.question_id = %s",
205 array("integer"),
206 array($question_id)
207 );
208 if ($result->numRows() == 1) {
209 $data = $ilDB->fetchAssoc($result);
210 $this->setId($question_id);
211 $this->setObjId($data["obj_fi"]);
212 $this->setTitle($data["title"]);
213 $this->setNrOfTries($data['nr_of_tries']);
214 $this->setComment($data["description"]);
215 $this->setOriginalId($data["original_id"]);
216 $this->setAuthor($data["author"]);
217 $this->setPoints($data["points"]);
218 $this->setOwner($data["owner"]);
219 include_once("./Services/RTE/classes/class.ilRTE.php");
220 $this->setQuestion(ilRTE::_replaceMediaObjectImageSrc($data["question_text"], 1));
221 $shuffle = (is_null($data['shuffle'])) ? true : $data['shuffle'];
222 $this->setShuffle($shuffle);
223 $this->setEstimatedWorkingTime(substr($data["working_time"], 0, 2), substr($data["working_time"], 3, 2), substr($data["working_time"], 6, 2));
224 $this->setThumbSize($data['thumb_size']);
225 $this->isSingleline = ($data['allow_images']) ? false : true;
226 $this->lastChange = $data['tstamp'];
227 $this->feedback_setting = $data['feedback_setting'];
228
229 try {
230 $this->setAdditionalContentEditingMode($data['add_cont_edit_mode']);
231 } catch (ilTestQuestionPoolException $e) {
232 }
233 }
234
235 $result = $ilDB->queryF(
236 "SELECT * FROM qpl_a_sc WHERE question_fi = %s ORDER BY aorder ASC",
237 array('integer'),
238 array($question_id)
239 );
240 include_once "./Modules/TestQuestionPool/classes/class.assAnswerBinaryStateImage.php";
241 if ($result->numRows() > 0) {
242 while ($data = $ilDB->fetchAssoc($result)) {
243 $imagefilename = $this->getImagePath() . $data["imagefile"];
244 if (!@file_exists($imagefilename)) {
245 $data["imagefile"] = "";
246 }
247 include_once("./Services/RTE/classes/class.ilRTE.php");
248 $data["answertext"] = ilRTE::_replaceMediaObjectImageSrc($data["answertext"], 1);
249 array_push($this->answers, new ASS_AnswerBinaryStateImage($data["answertext"], $data["points"], $data["aorder"], 1, $data["imagefile"]));
250 }
251 }
252
253 parent::loadFromDb($question_id);
254 }
255
261 public function duplicate($for_test = true, $title = "", $author = "", $owner = "", $testObjId = null)
262 {
263 if ($this->id <= 0) {
264 // The question has not been saved. It cannot be duplicated
265 return;
266 }
267 // duplicate the question in database
268 $this_id = $this->getId();
269 $thisObjId = $this->getObjId();
270
271 $clone = $this;
272 include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
274 $clone->id = -1;
275
276 if ((int) $testObjId > 0) {
277 $clone->setObjId($testObjId);
278 }
279
280 if ($title) {
281 $clone->setTitle($title);
282 }
283
284 if ($author) {
285 $clone->setAuthor($author);
286 }
287 if ($owner) {
288 $clone->setOwner($owner);
289 }
290 if ($for_test) {
291 $clone->saveToDb($original_id);
292 } else {
293 $clone->saveToDb();
294 }
295
296 // copy question page content
297 $clone->copyPageOfQuestion($this_id);
298
299 // copy XHTML media objects
300 $clone->copyXHTMLMediaObjectsOfQuestion($this_id);
301 // duplicate the images
302 $clone->duplicateImages($this_id, $thisObjId);
303
304 $clone->onDuplicate($thisObjId, $this_id, $clone->getObjId(), $clone->getId());
305
306 return $clone->id;
307 }
308
314 public function copyObject($target_questionpool_id, $title = "")
315 {
316 if ($this->id <= 0) {
317 // The question has not been saved. It cannot be duplicated
318 return;
319 }
320 // duplicate the question in database
321 $clone = $this;
322 include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
324 $clone->id = -1;
325 $source_questionpool_id = $this->getObjId();
326 $clone->setObjId($target_questionpool_id);
327 if ($title) {
328 $clone->setTitle($title);
329 }
330 $clone->saveToDb();
331 // copy question page content
332 $clone->copyPageOfQuestion($original_id);
333 // copy XHTML media objects
334 $clone->copyXHTMLMediaObjectsOfQuestion($original_id);
335 // duplicate the image
336 $clone->copyImages($original_id, $source_questionpool_id);
337
338 $clone->onCopy($source_questionpool_id, $original_id, $clone->getObjId(), $clone->getId());
339
340 return $clone->id;
341 }
342
343 public function createNewOriginalFromThisDuplicate($targetParentId, $targetQuestionTitle = "")
344 {
345 if ($this->id <= 0) {
346 // The question has not been saved. It cannot be duplicated
347 return;
348 }
349
350 include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
351
352 $sourceQuestionId = $this->id;
353 $sourceParentId = $this->getObjId();
354
355 // duplicate the question in database
356 $clone = $this;
357 $clone->id = -1;
358
359 $clone->setObjId($targetParentId);
360
361 if ($targetQuestionTitle) {
362 $clone->setTitle($targetQuestionTitle);
363 }
364
365 $clone->saveToDb();
366 // copy question page content
367 $clone->copyPageOfQuestion($sourceQuestionId);
368 // copy XHTML media objects
369 $clone->copyXHTMLMediaObjectsOfQuestion($sourceQuestionId);
370 // duplicate the image
371 $clone->copyImages($sourceQuestionId, $sourceParentId);
372
373 $clone->onCopy($sourceParentId, $sourceQuestionId, $clone->getObjId(), $clone->getId());
374
375 return $clone->id;
376 }
377
385 public function getOutputType()
386 {
387 return $this->output_type;
388 }
389
398 {
399 $this->output_type = $output_type;
400 }
401
415 public function addAnswer(
416 $answertext = "",
417 $points = 0.0,
418 $order = 0,
419 $answerimage = ""
420 ) {
421 include_once "./Modules/TestQuestionPool/classes/class.assAnswerBinaryStateImage.php";
422 if (array_key_exists($order, $this->answers)) {
423 // insert answer
424 $answer = new ASS_AnswerBinaryStateImage($answertext, $points, $order, 1, $answerimage);
425 $newchoices = array();
426 for ($i = 0; $i < $order; $i++) {
427 array_push($newchoices, $this->answers[$i]);
428 }
429 array_push($newchoices, $answer);
430 for ($i = $order; $i < count($this->answers); $i++) {
431 $changed = $this->answers[$i];
432 $changed->setOrder($i + 1);
433 array_push($newchoices, $changed);
434 }
435 $this->answers = $newchoices;
436 } else {
437 // add answer
438 $answer = new ASS_AnswerBinaryStateImage($answertext, $points, count($this->answers), 1, $answerimage);
439 array_push($this->answers, $answer);
440 }
441 }
442
450 public function getAnswerCount()
451 {
452 return count($this->answers);
453 }
454
464 public function getAnswer($index = 0)
465 {
466 if ($index < 0) {
467 return null;
468 }
469 if (count($this->answers) < 1) {
470 return null;
471 }
472 if ($index >= count($this->answers)) {
473 return null;
474 }
475
476 return $this->answers[$index];
477 }
478
487 public function deleteAnswer($index = 0)
488 {
489 if ($index < 0) {
490 return;
491 }
492 if (count($this->answers) < 1) {
493 return;
494 }
495 if ($index >= count($this->answers)) {
496 return;
497 }
498 $answer = $this->answers[$index];
499 if (strlen($answer->getImage())) {
500 $this->deleteImage($answer->getImage());
501 }
502 unset($this->answers[$index]);
503 $this->answers = array_values($this->answers);
504 for ($i = 0; $i < count($this->answers); $i++) {
505 if ($this->answers[$i]->getOrder() > $index) {
506 $this->answers[$i]->setOrder($i);
507 }
508 }
509 }
510
517 public function flushAnswers()
518 {
519 $this->answers = array();
520 }
521
528 public function getMaximumPoints()
529 {
530 $points = 0;
531 foreach ($this->answers as $key => $value) {
532 if ($value->getPoints() > $points) {
533 $points = $value->getPoints();
534 }
535 }
536 return $points;
537 }
538
549 public function calculateReachedPoints($active_id, $pass = null, $authorizedSolution = true, $returndetails = false)
550 {
551 if ($returndetails) {
552 throw new ilTestException('return details not implemented for ' . __METHOD__);
553 }
554
555 global $DIC;
556 $ilDB = $DIC['ilDB'];
557
558 $found_values = array();
559 if (is_null($pass)) {
560 $pass = $this->getSolutionMaxPass($active_id);
561 }
562 $result = $this->getCurrentSolutionResultSet($active_id, $pass, $authorizedSolution);
563 while ($data = $ilDB->fetchAssoc($result)) {
564 if (strcmp($data["value1"], "") != 0) {
565 array_push($found_values, $data["value1"]);
566 }
567 }
568 $points = 0;
569 foreach ($this->answers as $key => $answer) {
570 if (count($found_values) > 0) {
571 if (in_array($key, $found_values)) {
572 $points += $answer->getPoints();
573 }
574 }
575 }
576
577 return $points;
578 }
579
581 {
582 $participantSolution = $previewSession->getParticipantsSolution();
583
584 $points = 0;
585
586 foreach ($this->answers as $key => $answer) {
587 if (is_numeric($participantSolution) && $key == $participantSolution) {
588 $points = $answer->getPoints();
589 }
590 }
591
592 $reachedPoints = $this->deductHintPointsFromReachedPoints($previewSession, $points);
593
594 return $this->ensureNonNegativePoints($reachedPoints);
595 }
596
605 public function saveWorkingData($active_id, $pass = null, $authorized = true)
606 {
607 global $DIC;
608 $ilDB = $DIC['ilDB'];
609 $ilUser = $DIC['ilUser'];
610
611 if (is_null($pass)) {
612 include_once "./Modules/Test/classes/class.ilObjTest.php";
613 $pass = ilObjTest::_getPass($active_id);
614 }
615
616 $entered_values = 0;
617
618 $this->getProcessLocker()->executeUserSolutionUpdateLockOperation(function () use (&$entered_values, $ilDB, $active_id, $pass, $authorized) {
619 $result = $this->getCurrentSolutionResultSet($active_id, $pass, $authorized);
620 $row = $ilDB->fetchAssoc($result);
621 $update = $row["solution_id"];
622
623 if ($update) {
624 if (strlen($_POST["multiple_choice_result"])) {
625 $this->updateCurrentSolution($update, $_POST["multiple_choice_result"], null, $authorized);
626 $entered_values++;
627 } else {
628 $this->removeSolutionRecordById($update);
629 }
630 } else {
631 if (strlen($_POST["multiple_choice_result"])) {
632 $this->saveCurrentSolution($active_id, $pass, $_POST['multiple_choice_result'], null, $authorized);
633 $entered_values++;
634 }
635 }
636 });
637
638 if ($entered_values) {
639 include_once("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
641 assQuestion::logAction($this->lng->txtlng("assessment", "log_user_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
642 }
643 } else {
644 include_once("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
646 assQuestion::logAction($this->lng->txtlng("assessment", "log_user_not_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
647 }
648 }
649
650 return true;
651 }
652
653 protected function savePreviewData(ilAssQuestionPreviewSession $previewSession)
654 {
655 if (strlen($_POST['multiple_choice_result' . $this->getId() . 'ID'])) {
656 $previewSession->setParticipantsSolution($_POST['multiple_choice_result' . $this->getId() . 'ID']);
657 } else {
658 $previewSession->setParticipantsSolution(null);
659 }
660 }
661
662 public function saveAdditionalQuestionDataToDb()
663 {
665 global $DIC;
666 $ilDB = $DIC['ilDB'];
667
668 // save additional data
669 $ilDB->manipulateF(
670 "DELETE FROM " . $this->getAdditionalTableName() . " WHERE question_fi = %s",
671 array( "integer" ),
672 array( $this->getId() )
673 );
674
675 $ilDB->manipulateF(
676 "INSERT INTO " . $this->getAdditionalTableName(
677 ) . " (question_fi, shuffle, allow_images, thumb_size, feedback_setting) VALUES (%s, %s, %s, %s, %s)",
678 array( "integer", "text", "text", "integer", 'integer' ),
679 array(
680 $this->getId(),
681 $this->getShuffle(),
682 ($this->isSingleline) ? "0" : "1",
683 (strlen($this->getThumbSize()) == 0) ? null : $this->getThumbSize(),
684 (int) $this->getSpecificFeedbackSetting()
685 )
686 );
687 }
688
689 public function saveAnswerSpecificDataToDb()
690 {
692 global $DIC;
693 $ilDB = $DIC['ilDB'];
694 if (!$this->isSingleline) {
696 }
697 $ilDB->manipulateF(
698 "DELETE FROM qpl_a_sc WHERE question_fi = %s",
699 array( 'integer' ),
700 array( $this->getId() )
701 );
702
703 foreach ($this->answers as $key => $value) {
705 $answer_obj = $this->answers[$key];
706 $next_id = $ilDB->nextId('qpl_a_sc');
707 $ilDB->manipulateF(
708 "INSERT INTO qpl_a_sc (answer_id, question_fi, answertext, points, aorder, imagefile, tstamp) VALUES (%s, %s, %s, %s, %s, %s, %s)",
709 array( 'integer', 'integer', 'text', 'float', 'integer', 'text', 'integer' ),
710 array(
711 $next_id,
712 $this->getId(),
713 ilRTE::_replaceMediaObjectImageSrc($answer_obj->getAnswertext(), 0),
714 $answer_obj->getPoints(),
715 $answer_obj->getOrder(),
716 $answer_obj->getImage(),
717 time()
718 )
719 );
720 }
721 $this->rebuildThumbnails();
722 }
723
730 public function getQuestionType()
731 {
732 return "assSingleChoice";
733 }
734
741 public function getAdditionalTableName()
742 {
743 return "qpl_qst_sc";
744 }
745
752 public function getAnswerTableName()
753 {
754 return "qpl_a_sc";
755 }
756
765 public function setImageFile($image_filename, $image_tempfilename = "")
766 {
767 $result = 0;
768 if (!empty($image_tempfilename)) {
769 $image_filename = str_replace(" ", "_", $image_filename);
770 $imagepath = $this->getImagePath();
771 if (!file_exists($imagepath)) {
772 ilUtil::makeDirParents($imagepath);
773 }
774 //if (!move_uploaded_file($image_tempfilename, $imagepath . $image_filename))
775 if (!ilUtil::moveUploadedFile($image_tempfilename, $image_filename, $imagepath . $image_filename)) {
776 $result = 2;
777 } else {
778 include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
779 $mimetype = ilObjMediaObject::getMimeType($imagepath . $image_filename);
780 if (!preg_match("/^image/", $mimetype)) {
781 unlink($imagepath . $image_filename);
782 $result = 1;
783 } else {
784 // create thumbnail file
785 if ($this->isSingleline && ($this->getThumbSize())) {
786 $this->generateThumbForFile($imagepath, $image_filename);
787 }
788 }
789 }
790 }
791 return $result;
792 }
793
800 public function deleteImage($image_filename)
801 {
802 $imagepath = $this->getImagePath();
803 @unlink($imagepath . $image_filename);
804 $thumbpath = $imagepath . $this->getThumbPrefix() . $image_filename;
805 @unlink($thumbpath);
806 }
807
808 public function duplicateImages($question_id, $objectId = null)
809 {
810 global $DIC;
811 $ilLog = $DIC['ilLog'];
812 $imagepath = $this->getImagePath();
813 $imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
814
815 if ((int) $objectId > 0) {
816 $imagepath_original = str_replace("/$this->obj_id/", "/$objectId/", $imagepath_original);
817 }
818
819 foreach ($this->answers as $answer) {
820 $filename = $answer->getImage();
821 if (strlen($filename)) {
822 if (!file_exists($imagepath)) {
823 ilUtil::makeDirParents($imagepath);
824 }
825 if (!@copy($imagepath_original . $filename, $imagepath . $filename)) {
826 $ilLog->write("image could not be duplicated!!!!", $ilLog->ERROR);
827 $ilLog->write("object: " . print_r($this, true), $ilLog->ERROR);
828 }
829 if (@file_exists($imagepath_original . $this->getThumbPrefix() . $filename)) {
830 if (!@copy($imagepath_original . $this->getThumbPrefix() . $filename, $imagepath . $this->getThumbPrefix() . $filename)) {
831 $ilLog->write("image thumbnail could not be duplicated!!!!", $ilLog->ERROR);
832 $ilLog->write("object: " . print_r($this, true), $ilLog->ERROR);
833 }
834 }
835 }
836 }
837 }
838
839 public function copyImages($question_id, $source_questionpool)
840 {
842 global $DIC;
843 $ilLog = $DIC['ilLog'];
844
845 $imagepath = $this->getImagePath();
846 $imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
847 $imagepath_original = str_replace("/$this->obj_id/", "/$source_questionpool/", $imagepath_original);
848 foreach ($this->answers as $answer) {
849 $filename = $answer->getImage();
850 if (strlen($filename)) {
851 if (!file_exists($imagepath)) {
852 ilUtil::makeDirParents($imagepath);
853 }
854
855 if (file_exists($imagepath_original . $filename)) {
856 if (!copy($imagepath_original . $filename, $imagepath . $filename)) {
857 $ilLog->warning(sprintf(
858 "Could not clone source image '%s' to '%s' (srcQuestionId: %s|tgtQuestionId: %s|srcParentObjId: %s|tgtParentObjId: %s)",
859 $imagepath_original . $filename,
860 $imagepath . $filename,
861 $question_id,
862 $this->id,
863 $source_questionpool,
864 $this->obj_id
865 ));
866 }
867 }
868
869 if (file_exists($imagepath_original . $this->getThumbPrefix() . $filename)) {
870 if (!copy($imagepath_original . $this->getThumbPrefix() . $filename, $imagepath . $this->getThumbPrefix() . $filename)) {
871 $ilLog->warning(sprintf(
872 "Could not clone thumbnail source image '%s' to '%s' (srcQuestionId: %s|tgtQuestionId: %s|srcParentObjId: %s|tgtParentObjId: %s)",
873 $imagepath_original . $this->getThumbPrefix() . $filename,
874 $imagepath . $this->getThumbPrefix() . $filename,
875 $question_id,
876 $this->id,
877 $source_questionpool,
878 $this->obj_id
879 ));
880 }
881 }
882 }
883 }
884 }
885
889 protected function syncImages()
890 {
891 global $DIC;
892 $ilLog = $DIC['ilLog'];
893 $question_id = $this->getOriginalId();
894 $imagepath = $this->getImagePath();
895 $imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
896 ilUtil::delDir($imagepath_original);
897 foreach ($this->answers as $answer) {
898 $filename = $answer->getImage();
899 if (strlen($filename)) {
900 if (@file_exists($imagepath . $filename)) {
901 if (!file_exists($imagepath)) {
902 ilUtil::makeDirParents($imagepath);
903 }
904 if (!file_exists($imagepath_original)) {
905 ilUtil::makeDirParents($imagepath_original);
906 }
907 if (!@copy($imagepath . $filename, $imagepath_original . $filename)) {
908 $ilLog->write("image could not be duplicated!!!!", $ilLog->ERROR);
909 $ilLog->write("object: " . print_r($this, true), $ilLog->ERROR);
910 }
911 }
912 if (@file_exists($imagepath . $this->getThumbPrefix() . $filename)) {
913 if (!@copy($imagepath . $this->getThumbPrefix() . $filename, $imagepath_original . $this->getThumbPrefix() . $filename)) {
914 $ilLog->write("image thumbnail could not be duplicated!!!!", $ilLog->ERROR);
915 $ilLog->write("object: " . print_r($this, true), $ilLog->ERROR);
916 }
917 }
918 }
919 }
920 }
921
927 {
928 $text = parent::getRTETextWithMediaObjects();
929 foreach ($this->answers as $index => $answer) {
930 $text .= $this->feedbackOBJ->getSpecificAnswerFeedbackContent($this->getId(), 0, $index);
931 $answer_obj = $this->answers[$index];
932 $text .= $answer_obj->getAnswertext();
933 }
934 return $text;
935 }
936
940 public function &getAnswers()
941 {
942 return $this->answers;
943 }
944
948 public function setExportDetailsXLS($worksheet, $startrow, $active_id, $pass)
949 {
950 parent::setExportDetailsXLS($worksheet, $startrow, $active_id, $pass);
951
952 $solution = $this->getSolutionValues($active_id, $pass);
953 $i = 1;
954 foreach ($this->getAnswers() as $id => $answer) {
955 $worksheet->setCell($startrow + $i, 0, $answer->getAnswertext());
956 $worksheet->setBold($worksheet->getColumnCoord(0) . ($startrow + $i));
957 if (
958 count($solution) > 0 &&
959 isset($solution[0]) &&
960 is_array($solution[0]) &&
961 strlen($solution[0]['value1']) > 0 && $id == $solution[0]['value1']
962 ) {
963 $worksheet->setCell($startrow + $i, 1, 1);
964 } else {
965 $worksheet->setCell($startrow + $i, 1, 0);
966 }
967 $i++;
968 }
969
970 return $startrow + $i + 1;
971 }
972
973 public function getThumbSize()
974 {
975 return $this->thumb_size;
976 }
977
978 public function setThumbSize($a_size)
979 {
980 $this->thumb_size = $a_size;
981 }
982
987 {
988 foreach ($this->getAnswers() as $answer) {
989 /* @var ASS_AnswerBinaryStateImage $answer */
990 $answer->setAnswertext($migrator->migrateToLmContent($answer->getAnswertext()));
991 }
992 }
993
997 public function toJSON()
998 {
999 include_once("./Services/RTE/classes/class.ilRTE.php");
1000 $result = array();
1001 $result['id'] = (int) $this->getId();
1002 $result['type'] = (string) $this->getQuestionType();
1003 $result['title'] = (string) $this->getTitle();
1004 $result['question'] = $this->formatSAQuestion($this->getQuestion());
1005 $result['nr_of_tries'] = (int) $this->getNrOfTries();
1006 $result['shuffle'] = (bool) $this->getShuffle();
1007
1008 $result['feedback'] = array(
1009 'onenotcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), false)),
1010 'allcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), true))
1011 );
1012
1013 $answers = array();
1014 $has_image = false;
1015 foreach ($this->getAnswers() as $key => $answer_obj) {
1016 if ((string) $answer_obj->getImage()) {
1017 $has_image = true;
1018 }
1019 array_push($answers, array(
1020 "answertext" => (string) $this->formatSAQuestion($answer_obj->getAnswertext()),
1021 'html_id' => (int) $this->getId() . '_' . $key,
1022 "points" => (float) $answer_obj->getPoints(),
1023 "order" => (int) $answer_obj->getOrder(),
1024 "image" => (string) $answer_obj->getImage(),
1025 "feedback" => $this->formatSAQuestion(
1026 $this->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation($this->getId(), 0, $key)
1027 )
1028 ));
1029 }
1030 $result['answers'] = $answers;
1031 if ($has_image) {
1032 $result['path'] = $this->getImagePathWeb();
1033 $result['thumb'] = $this->getThumbSize();
1034 }
1035
1036 $mobs = ilObjMediaObject::_getMobsOfObject("qpl:html", $this->getId());
1037 $result['mobs'] = $mobs;
1038
1039 return json_encode($result);
1040 }
1041
1042 public function removeAnswerImage($index)
1043 {
1044 $answer = $this->answers[$index];
1045 if (is_object($answer)) {
1046 $this->deleteImage($answer->getImage());
1047 $answer->setImage('');
1048 }
1049 }
1050
1051 public function createRandomSolution($active_id, $pass)
1052 {
1053 $value = rand(0, count($this->answers) - 1);
1054 $_POST["multiple_choice_result"] = (strlen($value)) ? (string) $value : '0';
1055 $this->saveWorkingData($active_id, $pass);
1056 $this->calculateResultsFromSolution($active_id, $pass);
1057 }
1058
1060 {
1061 global $DIC;
1062 $ilUser = $DIC['ilUser'];
1063
1064 $multilineAnswerSetting = $ilUser->getPref("tst_multiline_answers");
1065 if ($multilineAnswerSetting != 1) {
1066 $multilineAnswerSetting = 0;
1067 }
1068 return $multilineAnswerSetting;
1069 }
1070
1071 public function setMultilineAnswerSetting($a_setting = 0)
1072 {
1073 global $DIC;
1074 $ilUser = $DIC['ilUser'];
1075 $ilUser->writePref("tst_multiline_answers", $a_setting);
1076 }
1077
1087 public function setSpecificFeedbackSetting($a_feedback_setting)
1088 {
1089 $this->feedback_setting = $a_feedback_setting;
1090 }
1091
1102 {
1103 if ($this->feedback_setting) {
1105 } else {
1106 return 1;
1107 }
1108 }
1109
1111 {
1112 return 'feedback_correct_sc_mc';
1113 }
1114
1125 public function isAnswered($active_id, $pass = null)
1126 {
1127 $numExistingSolutionRecords = assQuestion::getNumExistingSolutionRecords($active_id, $pass, $this->getId());
1128
1129 return $numExistingSolutionRecords > 0;
1130 }
1131
1142 public static function isObligationPossible($questionId)
1143 {
1144 return true;
1145 }
1146
1155 public function getOperators($expression)
1156 {
1157 require_once "./Modules/TestQuestionPool/classes/class.ilOperatorsExpressionMapping.php";
1159 }
1160
1165 public function getExpressionTypes()
1166 {
1167 return array(
1171 );
1172 }
1173
1182 public function getUserQuestionResult($active_id, $pass)
1183 {
1185 global $DIC;
1186 $ilDB = $DIC['ilDB'];
1187 $result = new ilUserQuestionResult($this, $active_id, $pass);
1188
1189 $maxStep = $this->lookupMaxStep($active_id, $pass);
1190
1191 if ($maxStep !== null) {
1192 $data = $ilDB->queryF(
1193 "SELECT * FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s AND step = %s",
1194 array("integer", "integer", "integer","integer"),
1195 array($active_id, $pass, $this->getId(), $maxStep)
1196 );
1197 } else {
1198 $data = $ilDB->queryF(
1199 "SELECT * FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s",
1200 array("integer", "integer", "integer"),
1201 array($active_id, $pass, $this->getId())
1202 );
1203 }
1204
1205 $row = $ilDB->fetchAssoc($data);
1206
1207 if ($row != null) {
1208 ++$row["value1"];
1209 $result->addKeyValue($row["value1"], $row["value1"]);
1210 }
1211
1212 $points = $this->calculateReachedPoints($active_id, $pass);
1213 $max_points = $this->getMaximumPoints();
1214
1215 $result->setReachedPercentage(($points / $max_points) * 100);
1216
1217 return $result;
1218 }
1219
1228 public function getAvailableAnswerOptions($index = null)
1229 {
1230 if ($index !== null) {
1231 return $this->getAnswer($index);
1232 } else {
1233 return $this->getAnswers();
1234 }
1235 }
1236
1240 protected function afterSyncWithOriginal($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId)
1241 {
1242 parent::afterSyncWithOriginal($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId);
1243
1244 $origImagePath = $this->buildImagePath($origQuestionId, $origParentObjId);
1245 $dupImagePath = $this->buildImagePath($dupQuestionId, $dupParentObjId);
1246
1247 ilUtil::delDir($origImagePath);
1248 if (is_dir($dupImagePath)) {
1249 ilUtil::makeDirParents($origImagePath);
1250 ilUtil::rCopy($dupImagePath, $origImagePath);
1251 }
1252 }
1253}
$result
$path
Definition: aliased.php:25
$filename
Definition: buildRTE.php:89
$_POST["username"]
Class for answers with a binary state indicator.
An exception for terminatinating execution or to throw for unit testing.
Abstract basic class which is to be extended by the concrete assessment question type classes.
getCurrentSolutionResultSet($active_id, $pass, $authorized=true)
Get a restulset for the current user solution for a this question by active_id and pass.
getSolutionValues($active_id, $pass=null, $authorized=true)
Loads solutions of a given user from the database an returns it.
static _getOriginalId($question_id)
Returns the original id of a question.
formatSAQuestion($a_q)
Format self assessment question.
setShuffle($shuffle=true)
Sets the shuffle flag.
setId($id=-1)
Sets the id of the assQuestion object.
setOriginalId($original_id)
setObjId($obj_id=0)
Set the object id of the container object.
getSolutionMaxPass($active_id)
Returns the maximum pass a users question solution.
saveQuestionDataToDb($original_id="")
getId()
Gets the id of the assQuestion object.
saveCurrentSolution($active_id, $pass, $value1, $value2, $authorized=true, $tstamp=null)
getObjId()
Get the object id of the container object.
setTitle($title="")
Sets the title string of the assQuestion object.
setOwner($owner="")
Sets the creator/owner ID of the assQuestion object.
setEstimatedWorkingTime($hour=0, $min=0, $sec=0)
Sets the estimated working time of a question from given hour, minute and second.
deductHintPointsFromReachedPoints(ilAssQuestionPreviewSession $previewSession, $reachedPoints)
buildImagePath($questionId, $parentObjectId)
static logAction($logtext="", $active_id="", $question_id="")
Logs an action into the Test&Assessment log.
getImagePath($question_id=null, $object_id=null)
Returns the image path for web accessable images of a question.
calculateResultsFromSolution($active_id, $pass=null, $obligationsEnabled=false)
Calculates the question results from a previously saved question solution.
updateCurrentSolution($solutionId, $value1, $value2, $authorized=true)
removeSolutionRecordById($solutionId)
static getNumExistingSolutionRecords($activeId, $pass, $questionId)
returns the number of existing solution records for the given test active / pass and given question i...
setAuthor($author="")
Sets the authors name of the assQuestion object.
getShuffle()
Gets the shuffle flag.
getTitle()
Gets the title string of the assQuestion object.
setPoints($a_points)
Sets the maximum available points for the question.
setComment($comment="")
Sets the comment string of the assQuestion object.
setNrOfTries($a_nr_of_tries)
getQuestion()
Gets the question string of the question object.
setAdditionalContentEditingMode($additinalContentEditingMode)
setter for additional content editing mode for this question
saveToDb($original_id="")
Saves the question to the database.
setQuestion($question="")
Sets the question string of the question object.
getImagePathWeb()
Returns the web image path for web accessable images of a question.
ensureNonNegativePoints($points)
Class for single choice questions.
getMaximumPoints()
Returns the maximum points, a learner can reach answering the question.
loadFromDb($question_id)
Loads a assSingleChoice object from a database.
deleteImage($image_filename)
Deletes an image file.
setOutputType($output_type=OUTPUT_ORDER)
Sets the output type of the assSingleChoice object.
getQuestionType()
Returns the question type of the question.
getAnswerCount()
Returns the number of answers.
toJSON()
Returns a JSON representation of the question.
getRTETextWithMediaObjects()
Collects all text in the question which could contain media objects which were created with the Rich ...
generateThumbForFile($path, $file)
syncImages()
Sync images of a MC question on synchronisation with the original question.
createRandomSolution($active_id, $pass)
setSpecificFeedbackSetting($a_feedback_setting)
Sets the feedback settings in effect for the question.
getOutputType()
Gets the single choice output type which is either OUTPUT_ORDER (=0) or OUTPUT_RANDOM (=1).
saveWorkingData($active_id, $pass=null, $authorized=true)
Saves the learners input of the question to the database.
isAnswered($active_id, $pass=null)
returns boolean wether the question is answered during test pass or not
addAnswer( $answertext="", $points=0.0, $order=0, $answerimage="")
Adds a possible answer for a single choice question.
getSpecificFeedbackSetting()
Gets the current feedback settings in effect for the question.
getOperators($expression)
Get all available operations for a specific question.
setMultilineAnswerSetting($a_setting=0)
getExpressionTypes()
Get all available expression types for a specific question.
getAvailableAnswerOptions($index=null)
If index is null, the function returns an array with all anwser options Else it returns the specific ...
afterSyncWithOriginal($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId)
{}
& getAnswers()
Returns a reference to the answers array.
isComplete()
Returns true, if a single choice question is complete for use.
deleteAnswer($index=0)
Deletes an answer with a given index.
calculateReachedPoints($active_id, $pass=null, $authorizedSolution=true, $returndetails=false)
Returns the points, a learner has reached answering the question.
savePreviewData(ilAssQuestionPreviewSession $previewSession)
static isObligationPossible($questionId)
returns boolean wether it is possible to set this question type as obligatory or not considering the ...
setImageFile($image_filename, $image_tempfilename="")
Sets the image file and uploads the image to the object's image directory.
copyObject($target_questionpool_id, $title="")
Copies an assSingleChoice object.
setExportDetailsXLS($worksheet, $startrow, $active_id, $pass)
{Creates an Excel worksheet for the detailed cumulated results of this question.object}
lmMigrateQuestionTypeSpecificContent(ilAssSelfAssessmentMigrator $migrator)
__construct( $title="", $comment="", $author="", $owner=-1, $question="", $output_type=OUTPUT_ORDER)
assSingleChoice constructor
flushAnswers()
Deletes all answers.
getAnswer($index=0)
Returns an answer with a given index.
calculateReachedPointsFromPreviewSession(ilAssQuestionPreviewSession $previewSession)
createNewOriginalFromThisDuplicate($targetParentId, $targetQuestionTitle="")
duplicateImages($question_id, $objectId=null)
duplicate($for_test=true, $title="", $author="", $owner="", $testObjId=null)
Duplicates an assSingleChoiceQuestion.
getAdditionalTableName()
Returns the name of the additional question data table in the database.
getAnswerTableName()
Returns the name of the answer table in the database.
static _getLogLanguage()
retrieve the log language for assessment logging
static _enabledAssessmentLogging()
check wether assessment logging is enabled or not
static getMimeType($a_file, $a_external=null)
get mime type for file
static _getMobsOfObject($a_type, $a_id, $a_usage_hist_nr=0, $a_lang="-")
get mobs of object
static _getPass($active_id)
Retrieves the actual pass of a given user for a given test.
static _replaceMediaObjectImageSrc($a_text, $a_direction=0, $nic=IL_INST_ID)
Replaces image source from mob image urls with the mob id or replaces mob id with the correct image s...
Base Exception for all Exceptions relating to Modules/Test.
Class ilUserQuestionResult.
static delDir($a_dir, $a_clean_only=false)
removes a dir and all its content (subdirs and files) recursively
static convertImage( $a_from, $a_to, $a_target_format="", $a_geometry="", $a_background_color="")
convert image
static rCopy($a_sdir, $a_tdir, $preserveTimeAttributes=false)
Copies content of a directory $a_sdir recursively to a directory $a_tdir.
static makeDirParents($a_dir)
Create a new directory and all parent directories.
$key
Definition: croninfo.php:18
$i
Definition: disco.tpl.php:19
const OUTPUT_ORDER
Class iQuestionCondition.
getUserQuestionResult($active_id, $pass)
Get the user solution for a question by active_id and the test pass.
Interface ilObjAnswerScoringAdjustable.
saveAnswerSpecificDataToDb()
Saves the answer specific records into a question types answer table.
Interface ilObjQuestionScoringAdjustable.
saveAdditionalQuestionDataToDb()
Saves a record to the question types additional data table.
$index
Definition: metadata.php:60
$row
global $DIC
Definition: saml.php:7
global $ilDB
$mobs
$ilUser
Definition: imgupload.php:18
$data
Definition: bench.php:6
$text
Definition: errorreport.php:18