ILIAS  release_6 Revision v6.24-5-g0c8bfefb3b8
class.assSingleChoice.php
Go to the documentation of this file.
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 ) {
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 {
233 }
234
235 try {
236 $this->setAdditionalContentEditingMode($data['add_cont_edit_mode']);
238 }
239 }
240
241 $result = $ilDB->queryF(
242 "SELECT * FROM qpl_a_sc WHERE question_fi = %s ORDER BY aorder ASC",
243 array('integer'),
244 array($question_id)
245 );
246 include_once "./Modules/TestQuestionPool/classes/class.assAnswerBinaryStateImage.php";
247 if ($result->numRows() > 0) {
248 while ($data = $ilDB->fetchAssoc($result)) {
249 $imagefilename = $this->getImagePath() . $data["imagefile"];
250 if (!@file_exists($imagefilename)) {
251 $data["imagefile"] = "";
252 }
253 include_once("./Services/RTE/classes/class.ilRTE.php");
254 $data["answertext"] = ilRTE::_replaceMediaObjectImageSrc($data["answertext"], 1);
255 array_push($this->answers, new ASS_AnswerBinaryStateImage($data["answertext"], $data["points"], $data["aorder"], 1, $data["imagefile"]));
256 }
257 }
258
259 parent::loadFromDb($question_id);
260 }
261
267 public function duplicate($for_test = true, $title = "", $author = "", $owner = "", $testObjId = null)
268 {
269 if ($this->id <= 0) {
270 // The question has not been saved. It cannot be duplicated
271 return;
272 }
273 // duplicate the question in database
274 $this_id = $this->getId();
275 $thisObjId = $this->getObjId();
276
277 $clone = $this;
278 include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
280 $clone->id = -1;
281
282 if ((int) $testObjId > 0) {
283 $clone->setObjId($testObjId);
284 }
285
286 if ($title) {
287 $clone->setTitle($title);
288 }
289
290 if ($author) {
291 $clone->setAuthor($author);
292 }
293 if ($owner) {
294 $clone->setOwner($owner);
295 }
296 if ($for_test) {
297 $clone->saveToDb($original_id);
298 } else {
299 $clone->saveToDb();
300 }
301
302 // copy question page content
303 $clone->copyPageOfQuestion($this_id);
304
305 // copy XHTML media objects
306 $clone->copyXHTMLMediaObjectsOfQuestion($this_id);
307 // duplicate the images
308 $clone->duplicateImages($this_id, $thisObjId);
309
310 $clone->onDuplicate($thisObjId, $this_id, $clone->getObjId(), $clone->getId());
311
312 return $clone->id;
313 }
314
320 public function copyObject($target_questionpool_id, $title = "")
321 {
322 if ($this->id <= 0) {
323 // The question has not been saved. It cannot be duplicated
324 return;
325 }
326 // duplicate the question in database
327 $clone = $this;
328 include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
330 $clone->id = -1;
331 $source_questionpool_id = $this->getObjId();
332 $clone->setObjId($target_questionpool_id);
333 if ($title) {
334 $clone->setTitle($title);
335 }
336 $clone->saveToDb();
337 // copy question page content
338 $clone->copyPageOfQuestion($original_id);
339 // copy XHTML media objects
340 $clone->copyXHTMLMediaObjectsOfQuestion($original_id);
341 // duplicate the image
342 $clone->copyImages($original_id, $source_questionpool_id);
343
344 $clone->onCopy($source_questionpool_id, $original_id, $clone->getObjId(), $clone->getId());
345
346 return $clone->id;
347 }
348
349 public function createNewOriginalFromThisDuplicate($targetParentId, $targetQuestionTitle = "")
350 {
351 if ($this->id <= 0) {
352 // The question has not been saved. It cannot be duplicated
353 return;
354 }
355
356 include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
357
358 $sourceQuestionId = $this->id;
359 $sourceParentId = $this->getObjId();
360
361 // duplicate the question in database
362 $clone = $this;
363 $clone->id = -1;
364
365 $clone->setObjId($targetParentId);
366
367 if ($targetQuestionTitle) {
368 $clone->setTitle($targetQuestionTitle);
369 }
370
371 $clone->saveToDb();
372 // copy question page content
373 $clone->copyPageOfQuestion($sourceQuestionId);
374 // copy XHTML media objects
375 $clone->copyXHTMLMediaObjectsOfQuestion($sourceQuestionId);
376 // duplicate the image
377 $clone->copyImages($sourceQuestionId, $sourceParentId);
378
379 $clone->onCopy($sourceParentId, $sourceQuestionId, $clone->getObjId(), $clone->getId());
380
381 return $clone->id;
382 }
383
391 public function getOutputType()
392 {
393 return $this->output_type;
394 }
395
404 {
405 $this->output_type = $output_type;
406 }
407
421 public function addAnswer(
422 $answertext = "",
423 $points = 0.0,
424 $order = 0,
425 $answerimage = ""
426 ) {
427 include_once "./Modules/TestQuestionPool/classes/class.assAnswerBinaryStateImage.php";
428 $answertext = $this->getHtmlQuestionContentPurifier()->purify($answertext);
429 if (array_key_exists($order, $this->answers)) {
430 // insert answer
431 $answer = new ASS_AnswerBinaryStateImage($answertext, $points, $order, 1, $answerimage);
432 $newchoices = array();
433 for ($i = 0; $i < $order; $i++) {
434 array_push($newchoices, $this->answers[$i]);
435 }
436 array_push($newchoices, $answer);
437 for ($i = $order; $i < count($this->answers); $i++) {
438 $changed = $this->answers[$i];
439 $changed->setOrder($i + 1);
440 array_push($newchoices, $changed);
441 }
442 $this->answers = $newchoices;
443 } else {
444 // add answer
445 $answer = new ASS_AnswerBinaryStateImage($answertext, $points, count($this->answers), 1, $answerimage);
446 array_push($this->answers, $answer);
447 }
448 }
449
457 public function getAnswerCount()
458 {
459 return count($this->answers);
460 }
461
471 public function getAnswer($index = 0)
472 {
473 if ($index < 0) {
474 return null;
475 }
476 if (count($this->answers) < 1) {
477 return null;
478 }
479 if ($index >= count($this->answers)) {
480 return null;
481 }
482
483 return $this->answers[$index];
484 }
485
494 public function deleteAnswer($index = 0)
495 {
496 if ($index < 0) {
497 return;
498 }
499 if (count($this->answers) < 1) {
500 return;
501 }
502 if ($index >= count($this->answers)) {
503 return;
504 }
505 $answer = $this->answers[$index];
506 if (strlen($answer->getImage())) {
507 $this->deleteImage($answer->getImage());
508 }
509 unset($this->answers[$index]);
510 $this->answers = array_values($this->answers);
511 for ($i = 0; $i < count($this->answers); $i++) {
512 if ($this->answers[$i]->getOrder() > $index) {
513 $this->answers[$i]->setOrder($i);
514 }
515 }
516 }
517
524 public function flushAnswers()
525 {
526 $this->answers = array();
527 }
528
535 public function getMaximumPoints()
536 {
537 $points = 0;
538 foreach ($this->answers as $key => $value) {
539 if ($value->getPoints() > $points) {
540 $points = $value->getPoints();
541 }
542 }
543 return $points;
544 }
545
556 public function calculateReachedPoints($active_id, $pass = null, $authorizedSolution = true, $returndetails = false)
557 {
558 if ($returndetails) {
559 throw new ilTestException('return details not implemented for ' . __METHOD__);
560 }
561
562 global $DIC;
563 $ilDB = $DIC['ilDB'];
564
565 $found_values = array();
566 if (is_null($pass)) {
567 $pass = $this->getSolutionMaxPass($active_id);
568 }
569 $result = $this->getCurrentSolutionResultSet($active_id, $pass, $authorizedSolution);
570 while ($data = $ilDB->fetchAssoc($result)) {
571 if (strcmp($data["value1"], "") != 0) {
572 array_push($found_values, $data["value1"]);
573 }
574 }
575 $points = 0;
576 foreach ($this->answers as $key => $answer) {
577 if (count($found_values) > 0) {
578 if (in_array($key, $found_values)) {
579 $points += $answer->getPoints();
580 }
581 }
582 }
583
584 return $points;
585 }
586
588 {
589 $participantSolution = $previewSession->getParticipantsSolution();
590
591 $points = 0;
592
593 foreach ($this->answers as $key => $answer) {
594 if (is_numeric($participantSolution) && $key == $participantSolution) {
595 $points = $answer->getPoints();
596 }
597 }
598
599 $reachedPoints = $this->deductHintPointsFromReachedPoints($previewSession, $points);
600
601 return $this->ensureNonNegativePoints($reachedPoints);
602 }
603
612 public function saveWorkingData($active_id, $pass = null, $authorized = true)
613 {
614 global $DIC;
615 $ilDB = $DIC['ilDB'];
616 $ilUser = $DIC['ilUser'];
617
618 if (is_null($pass)) {
619 include_once "./Modules/Test/classes/class.ilObjTest.php";
620 $pass = ilObjTest::_getPass($active_id);
621 }
622
623 $entered_values = 0;
624
625 $this->getProcessLocker()->executeUserSolutionUpdateLockOperation(function () use (&$entered_values, $ilDB, $active_id, $pass, $authorized) {
626 $result = $this->getCurrentSolutionResultSet($active_id, $pass, $authorized);
627 $row = $ilDB->fetchAssoc($result);
628 $update = $row["solution_id"];
629
630 if ($update) {
631 if (strlen($_POST["multiple_choice_result"])) {
632 $this->updateCurrentSolution($update, $_POST["multiple_choice_result"], null, $authorized);
633 $entered_values++;
634 } else {
635 $this->removeSolutionRecordById($update);
636 }
637 } else {
638 if (strlen($_POST["multiple_choice_result"])) {
639 $this->saveCurrentSolution($active_id, $pass, $_POST['multiple_choice_result'], null, $authorized);
640 $entered_values++;
641 }
642 }
643 });
644
645 if ($entered_values) {
646 include_once("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
648 assQuestion::logAction($this->lng->txtlng("assessment", "log_user_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
649 }
650 } else {
651 include_once("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
653 assQuestion::logAction($this->lng->txtlng("assessment", "log_user_not_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
654 }
655 }
656
657 return true;
658 }
659
660 protected function savePreviewData(ilAssQuestionPreviewSession $previewSession)
661 {
662 if (strlen($_POST['multiple_choice_result' . $this->getId() . 'ID'])) {
663 $previewSession->setParticipantsSolution($_POST['multiple_choice_result' . $this->getId() . 'ID']);
664 } else {
665 $previewSession->setParticipantsSolution(null);
666 }
667 }
668
669 public function saveAdditionalQuestionDataToDb()
670 {
672 global $DIC;
673 $ilDB = $DIC['ilDB'];
674
675 // save additional data
676 $ilDB->manipulateF(
677 "DELETE FROM " . $this->getAdditionalTableName() . " WHERE question_fi = %s",
678 array( "integer" ),
679 array( $this->getId() )
680 );
681
682 $ilDB->manipulateF(
683 "INSERT INTO " . $this->getAdditionalTableName(
684 ) . " (question_fi, shuffle, allow_images, thumb_size) VALUES (%s, %s, %s, %s)",
685 array( "integer", "text", "text", "integer" ),
686 array(
687 $this->getId(),
688 $this->getShuffle(),
689 ($this->isSingleline) ? "0" : "1",
690 (strlen($this->getThumbSize()) == 0) ? null : $this->getThumbSize()
691 )
692 );
693 }
694
695 public function saveAnswerSpecificDataToDb()
696 {
698 global $DIC;
699 $ilDB = $DIC['ilDB'];
700 if (!$this->isSingleline) {
702 }
703 $ilDB->manipulateF(
704 "DELETE FROM qpl_a_sc WHERE question_fi = %s",
705 array( 'integer' ),
706 array( $this->getId() )
707 );
708
709 foreach ($this->answers as $key => $value) {
711 $answer_obj = $this->answers[$key];
712 $next_id = $ilDB->nextId('qpl_a_sc');
713 $ilDB->manipulateF(
714 "INSERT INTO qpl_a_sc (answer_id, question_fi, answertext, points, aorder, imagefile, tstamp) VALUES (%s, %s, %s, %s, %s, %s, %s)",
715 array( 'integer', 'integer', 'text', 'float', 'integer', 'text', 'integer' ),
716 array(
717 $next_id,
718 $this->getId(),
719 ilRTE::_replaceMediaObjectImageSrc($answer_obj->getAnswertext(), 0),
720 $answer_obj->getPoints(),
721 $answer_obj->getOrder(),
722 $answer_obj->getImage(),
723 time()
724 )
725 );
726 }
727 $this->rebuildThumbnails();
728 }
729
736 public function getQuestionType()
737 {
738 return "assSingleChoice";
739 }
740
747 public function getAdditionalTableName()
748 {
749 return "qpl_qst_sc";
750 }
751
758 public function getAnswerTableName()
759 {
760 return "qpl_a_sc";
761 }
762
771 public function setImageFile($image_filename, $image_tempfilename = "")
772 {
773 $result = 0;
774 if (!empty($image_tempfilename)) {
775 $image_filename = str_replace(" ", "_", $image_filename);
776 $imagepath = $this->getImagePath();
777 if (!file_exists($imagepath)) {
778 ilUtil::makeDirParents($imagepath);
779 }
780 //if (!move_uploaded_file($image_tempfilename, $imagepath . $image_filename))
781 if (!ilUtil::moveUploadedFile($image_tempfilename, $image_filename, $imagepath . $image_filename)) {
782 $result = 2;
783 } else {
784 include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
785 $mimetype = ilObjMediaObject::getMimeType($imagepath . $image_filename);
786 if (!preg_match("/^image/", $mimetype)) {
787 unlink($imagepath . $image_filename);
788 $result = 1;
789 } else {
790 // create thumbnail file
791 if ($this->isSingleline && ($this->getThumbSize())) {
792 $this->generateThumbForFile($imagepath, $image_filename);
793 }
794 }
795 }
796 }
797 return $result;
798 }
799
806 public function deleteImage($image_filename)
807 {
808 $imagepath = $this->getImagePath();
809 @unlink($imagepath . $image_filename);
810 $thumbpath = $imagepath . $this->getThumbPrefix() . $image_filename;
811 @unlink($thumbpath);
812 }
813
814 public function duplicateImages($question_id, $objectId = null)
815 {
816 global $DIC;
817 $ilLog = $DIC['ilLog'];
818 $imagepath = $this->getImagePath();
819 $imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
820
821 if ((int) $objectId > 0) {
822 $imagepath_original = str_replace("/$this->obj_id/", "/$objectId/", $imagepath_original);
823 }
824
825 foreach ($this->answers as $answer) {
826 $filename = $answer->getImage();
827 if (strlen($filename)) {
828 if (!file_exists($imagepath)) {
829 ilUtil::makeDirParents($imagepath);
830 }
831 if (!@copy($imagepath_original . $filename, $imagepath . $filename)) {
832 $ilLog->write("image could not be duplicated!!!!", $ilLog->ERROR);
833 $ilLog->write("object: " . print_r($this, true), $ilLog->ERROR);
834 }
835 if (@file_exists($imagepath_original . $this->getThumbPrefix() . $filename)) {
836 if (!@copy($imagepath_original . $this->getThumbPrefix() . $filename, $imagepath . $this->getThumbPrefix() . $filename)) {
837 $ilLog->write("image thumbnail could not be duplicated!!!!", $ilLog->ERROR);
838 $ilLog->write("object: " . print_r($this, true), $ilLog->ERROR);
839 }
840 }
841 }
842 }
843 }
844
845 public function copyImages($question_id, $source_questionpool)
846 {
848 global $DIC;
849 $ilLog = $DIC['ilLog'];
850
851 $imagepath = $this->getImagePath();
852 $imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
853 $imagepath_original = str_replace("/$this->obj_id/", "/$source_questionpool/", $imagepath_original);
854 foreach ($this->answers as $answer) {
855 $filename = $answer->getImage();
856 if (strlen($filename)) {
857 if (!file_exists($imagepath)) {
858 ilUtil::makeDirParents($imagepath);
859 }
860
861 if (file_exists($imagepath_original . $filename)) {
862 if (!copy($imagepath_original . $filename, $imagepath . $filename)) {
863 $ilLog->warning(sprintf(
864 "Could not clone source image '%s' to '%s' (srcQuestionId: %s|tgtQuestionId: %s|srcParentObjId: %s|tgtParentObjId: %s)",
865 $imagepath_original . $filename,
866 $imagepath . $filename,
867 $question_id,
868 $this->id,
869 $source_questionpool,
870 $this->obj_id
871 ));
872 }
873 }
874
875 if (file_exists($imagepath_original . $this->getThumbPrefix() . $filename)) {
876 if (!copy($imagepath_original . $this->getThumbPrefix() . $filename, $imagepath . $this->getThumbPrefix() . $filename)) {
877 $ilLog->warning(sprintf(
878 "Could not clone thumbnail source image '%s' to '%s' (srcQuestionId: %s|tgtQuestionId: %s|srcParentObjId: %s|tgtParentObjId: %s)",
879 $imagepath_original . $this->getThumbPrefix() . $filename,
880 $imagepath . $this->getThumbPrefix() . $filename,
881 $question_id,
882 $this->id,
883 $source_questionpool,
884 $this->obj_id
885 ));
886 }
887 }
888 }
889 }
890 }
891
895 protected function syncImages()
896 {
897 global $DIC;
898 $ilLog = $DIC['ilLog'];
899 $question_id = $this->getOriginalId();
900 $imagepath = $this->getImagePath();
901 $imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
902 ilUtil::delDir($imagepath_original);
903 foreach ($this->answers as $answer) {
904 $filename = $answer->getImage();
905 if (strlen($filename)) {
906 if (@file_exists($imagepath . $filename)) {
907 if (!file_exists($imagepath)) {
908 ilUtil::makeDirParents($imagepath);
909 }
910 if (!file_exists($imagepath_original)) {
911 ilUtil::makeDirParents($imagepath_original);
912 }
913 if (!@copy($imagepath . $filename, $imagepath_original . $filename)) {
914 $ilLog->write("image could not be duplicated!!!!", $ilLog->ERROR);
915 $ilLog->write("object: " . print_r($this, true), $ilLog->ERROR);
916 }
917 }
918 if (@file_exists($imagepath . $this->getThumbPrefix() . $filename)) {
919 if (!@copy($imagepath . $this->getThumbPrefix() . $filename, $imagepath_original . $this->getThumbPrefix() . $filename)) {
920 $ilLog->write("image thumbnail could not be duplicated!!!!", $ilLog->ERROR);
921 $ilLog->write("object: " . print_r($this, true), $ilLog->ERROR);
922 }
923 }
924 }
925 }
926 }
927
933 {
934 $text = parent::getRTETextWithMediaObjects();
935 foreach ($this->answers as $index => $answer) {
936 $text .= $this->feedbackOBJ->getSpecificAnswerFeedbackContent($this->getId(), 0, $index);
937 $answer_obj = $this->answers[$index];
938 $text .= $answer_obj->getAnswertext();
939 }
940 return $text;
941 }
942
946 public function &getAnswers()
947 {
948 return $this->answers;
949 }
950
954 public function setExportDetailsXLS($worksheet, $startrow, $active_id, $pass)
955 {
956 parent::setExportDetailsXLS($worksheet, $startrow, $active_id, $pass);
957
958 $solution = $this->getSolutionValues($active_id, $pass);
959 $i = 1;
960 foreach ($this->getAnswers() as $id => $answer) {
961 $worksheet->setCell($startrow + $i, 0, $answer->getAnswertext());
962 $worksheet->setBold($worksheet->getColumnCoord(0) . ($startrow + $i));
963 if (
964 count($solution) > 0 &&
965 isset($solution[0]) &&
966 is_array($solution[0]) &&
967 strlen($solution[0]['value1']) > 0 && $id == $solution[0]['value1']
968 ) {
969 $worksheet->setCell($startrow + $i, 1, 1);
970 } else {
971 $worksheet->setCell($startrow + $i, 1, 0);
972 }
973 $i++;
974 }
975
976 return $startrow + $i + 1;
977 }
978
979 public function getThumbSize()
980 {
981 return $this->thumb_size;
982 }
983
984 public function setThumbSize($a_size)
985 {
986 $this->thumb_size = $a_size;
987 }
988
993 {
994 foreach ($this->getAnswers() as $answer) {
995 /* @var ASS_AnswerBinaryStateImage $answer */
996 $answer->setAnswertext($migrator->migrateToLmContent($answer->getAnswertext()));
997 }
998 }
999
1003 public function toJSON()
1004 {
1005 include_once("./Services/RTE/classes/class.ilRTE.php");
1006 $result = array();
1007 $result['id'] = (int) $this->getId();
1008 $result['type'] = (string) $this->getQuestionType();
1009 $result['title'] = (string) $this->getTitle();
1010 $result['question'] = $this->formatSAQuestion($this->getQuestion());
1011 $result['nr_of_tries'] = (int) $this->getNrOfTries();
1012 $result['shuffle'] = (bool) $this->getShuffle();
1013
1014 $result['feedback'] = array(
1015 'onenotcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), false)),
1016 'allcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), true))
1017 );
1018
1019 $answers = array();
1020 $has_image = false;
1021 foreach ($this->getAnswers() as $key => $answer_obj) {
1022 if ((string) $answer_obj->getImage()) {
1023 $has_image = true;
1024 }
1025 array_push($answers, array(
1026 "answertext" => (string) $this->formatSAQuestion($answer_obj->getAnswertext()),
1027 'html_id' => (int) $this->getId() . '_' . $key,
1028 "points" => (float) $answer_obj->getPoints(),
1029 "order" => (int) $answer_obj->getOrder(),
1030 "image" => (string) $answer_obj->getImage(),
1031 "feedback" => $this->formatSAQuestion(
1032 $this->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation($this->getId(), 0, $key)
1033 )
1034 ));
1035 }
1036 $result['answers'] = $answers;
1037 if ($has_image) {
1038 $result['path'] = $this->getImagePathWeb();
1039 $result['thumb'] = $this->getThumbSize();
1040 }
1041
1042 $mobs = ilObjMediaObject::_getMobsOfObject("qpl:html", $this->getId());
1043 $result['mobs'] = $mobs;
1044
1045 return json_encode($result);
1046 }
1047
1048 public function removeAnswerImage($index)
1049 {
1050 $answer = $this->answers[$index];
1051 if (is_object($answer)) {
1052 $this->deleteImage($answer->getImage());
1053 $answer->setImage('');
1054 }
1055 }
1056
1058 {
1059 global $DIC;
1060 $ilUser = $DIC['ilUser'];
1061
1062 $multilineAnswerSetting = $ilUser->getPref("tst_multiline_answers");
1063 if ($multilineAnswerSetting != 1) {
1064 $multilineAnswerSetting = 0;
1065 }
1066 return $multilineAnswerSetting;
1067 }
1068
1069 public function setMultilineAnswerSetting($a_setting = 0)
1070 {
1071 global $DIC;
1072 $ilUser = $DIC['ilUser'];
1073 $ilUser->writePref("tst_multiline_answers", $a_setting);
1074 }
1075
1085 public function setSpecificFeedbackSetting($a_feedback_setting)
1086 {
1087 $this->feedback_setting = $a_feedback_setting;
1088 }
1089
1100 {
1101 if ($this->feedback_setting) {
1103 } else {
1104 return 1;
1105 }
1106 }
1107
1109 {
1110 return 'feedback_correct_sc_mc';
1111 }
1112
1123 public function isAnswered($active_id, $pass = null)
1124 {
1125 $numExistingSolutionRecords = assQuestion::getNumExistingSolutionRecords($active_id, $pass, $this->getId());
1126
1127 return $numExistingSolutionRecords > 0;
1128 }
1129
1140 public static function isObligationPossible($questionId)
1141 {
1142 return true;
1143 }
1144
1153 public function getOperators($expression)
1154 {
1155 require_once "./Modules/TestQuestionPool/classes/class.ilOperatorsExpressionMapping.php";
1157 }
1158
1163 public function getExpressionTypes()
1164 {
1165 return array(
1169 );
1170 }
1171
1180 public function getUserQuestionResult($active_id, $pass)
1181 {
1183 global $DIC;
1184 $ilDB = $DIC['ilDB'];
1185 $result = new ilUserQuestionResult($this, $active_id, $pass);
1186
1187 $maxStep = $this->lookupMaxStep($active_id, $pass);
1188
1189 if ($maxStep !== null) {
1190 $data = $ilDB->queryF(
1191 "SELECT * FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s AND step = %s",
1192 array("integer", "integer", "integer","integer"),
1193 array($active_id, $pass, $this->getId(), $maxStep)
1194 );
1195 } else {
1196 $data = $ilDB->queryF(
1197 "SELECT * FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s",
1198 array("integer", "integer", "integer"),
1199 array($active_id, $pass, $this->getId())
1200 );
1201 }
1202
1203 $row = $ilDB->fetchAssoc($data);
1204
1205 if ($row != null) {
1206 ++$row["value1"];
1207 $result->addKeyValue($row["value1"], $row["value1"]);
1208 }
1209
1210 $points = $this->calculateReachedPoints($active_id, $pass);
1211 $max_points = $this->getMaximumPoints();
1212
1213 $result->setReachedPercentage(($points / $max_points) * 100);
1214
1215 return $result;
1216 }
1217
1226 public function getAvailableAnswerOptions($index = null)
1227 {
1228 if ($index !== null) {
1229 return $this->getAnswer($index);
1230 } else {
1231 return $this->getAnswers();
1232 }
1233 }
1234
1238 protected function afterSyncWithOriginal($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId)
1239 {
1240 parent::afterSyncWithOriginal($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId);
1241
1242 $origImagePath = $this->buildImagePath($origQuestionId, $origParentObjId);
1243 $dupImagePath = $this->buildImagePath($dupQuestionId, $dupParentObjId);
1244
1245 ilUtil::delDir($origImagePath);
1246 if (is_dir($dupImagePath)) {
1247 ilUtil::makeDirParents($origImagePath);
1248 ilUtil::rCopy($dupImagePath, $origImagePath);
1249 }
1250 }
1251}
$result
$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, $object_id=null)
Returns the image path for web accessable images of a question.
updateCurrentSolution($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.
setLifecycle(ilAssQuestionLifecycle $lifecycle)
getTitle()
Gets the title string of the assQuestion object.
setPoints($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, $file)
syncImages()
Sync images of a MC question on synchronisation with the original question.
setSpecificFeedbackSetting($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, $nic=IL_INST_ID)
Replaces image source from mob image urls with the mob id or replaces mob id with the correct image s...
Base Exception for all Exceptions relating to Modules/Test.
Class ilUserQuestionResult.
static moveUploadedFile($a_file, $a_name, $a_target, $a_raise_errors=true, $a_mode="move_uploaded")
move uploaded file
static delDir($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.
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:128
$i
Definition: metadata.php:24
__construct(Container $dic, ilPlugin $plugin)
@inheritDoc
global $ilDB
$data
Definition: storeScorm.php:23
$mobs
$ilUser
Definition: imgupload.php:18
$DIC
Definition: xapitoken.php:46