ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
class.assErrorText.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';
10
24{
25 protected $errortext;
26 protected $textsize;
27 protected $errordata;
28 protected $points_wrong;
29
41 function __construct(
42 $title = '',
43 $comment = '',
44 $author = '',
45 $owner = -1,
46 $question = ''
47 )
48 {
49 parent::__construct($title, $comment, $author, $owner, $question);
50 $this->errortext = '';
51 $this->textsize = 100.0;
52 $this->errordata = array();
53 }
54
60 public function isComplete()
61 {
62 if (strlen($this->title)
63 && ($this->author)
64 && ($this->question)
65 && ($this->getMaximumPoints() > 0))
66 {
67 return true;
68 }
69 else
70 {
71 return false;
72 }
73 }
74
79 public function saveToDb($original_id = "")
80 {
84 parent::saveToDb();
85 }
86
88 {
89 global $ilDB;
90 $ilDB->manipulateF( "DELETE FROM qpl_a_errortext WHERE question_fi = %s",
91 array( 'integer' ),
92 array( $this->getId() )
93 );
94
95 $sequence = 0;
96 foreach ($this->errordata as $object)
97 {
98 $next_id = $ilDB->nextId( 'qpl_a_errortext' );
99 $ilDB->manipulateF( "INSERT INTO qpl_a_errortext (answer_id, question_fi, text_wrong, text_correct, points, sequence) VALUES (%s, %s, %s, %s, %s, %s)",
100 array( 'integer', 'integer', 'text', 'text', 'float', 'integer' ),
101 array(
102 $next_id,
103 $this->getId(),
104 $object->text_wrong,
105 $object->text_correct,
106 $object->points,
107 $sequence++
108 )
109 );
110 }
111 }
112
119 {
120 global $ilDB;
121 // save additional data
122 $ilDB->manipulateF( "DELETE FROM " . $this->getAdditionalTableName() . " WHERE question_fi = %s",
123 array( "integer" ),
124 array( $this->getId() )
125 );
126
127 $ilDB->manipulateF("INSERT INTO " . $this->getAdditionalTableName() . " (question_fi, errortext, textsize, points_wrong) VALUES (%s, %s, %s, %s)",
128 array("integer", "text", "float", "float"),
129 array(
130 $this->getId(),
131 $this->getErrorText(),
132 $this->getTextSize(),
133 $this->getPointsWrong()
134 )
135 );
136 }
137
144 public function loadFromDb($question_id)
145 {
146 global $ilDB;
147
148 $result = $ilDB->queryF("SELECT qpl_questions.*, " . $this->getAdditionalTableName() . ".* FROM qpl_questions LEFT JOIN " . $this->getAdditionalTableName() . " ON " . $this->getAdditionalTableName() . ".question_fi = qpl_questions.question_id WHERE qpl_questions.question_id = %s",
149 array("integer"),
150 array($question_id)
151 );
152 if ($result->numRows() == 1)
153 {
154 $data = $ilDB->fetchAssoc($result);
155 $this->setId($question_id);
156 $this->setObjId($data["obj_fi"]);
157 $this->setTitle($data["title"]);
158 $this->setComment($data["description"]);
159 $this->setOriginalId($data["original_id"]);
160 $this->setNrOfTries($data['nr_of_tries']);
161 $this->setAuthor($data["author"]);
162 $this->setPoints($data["points"]);
163 $this->setOwner($data["owner"]);
164 include_once("./Services/RTE/classes/class.ilRTE.php");
165 $this->setQuestion(ilRTE::_replaceMediaObjectImageSrc($data["question_text"], 1));
166 $this->setErrorText($data["errortext"]);
167 $this->setTextSize($data["textsize"]);
168 $this->setPointsWrong($data["points_wrong"]);
169 $this->setEstimatedWorkingTime(substr($data["working_time"], 0, 2), substr($data["working_time"], 3, 2), substr($data["working_time"], 6, 2));
170
171 try
172 {
173 $this->setAdditionalContentEditingMode($data['add_cont_edit_mode']);
174 }
176 {
177 }
178 }
179
180 $result = $ilDB->queryF("SELECT * FROM qpl_a_errortext WHERE question_fi = %s ORDER BY sequence ASC",
181 array('integer'),
182 array($question_id)
183 );
184 include_once "./Modules/TestQuestionPool/classes/class.assAnswerErrorText.php";
185 if ($result->numRows() > 0)
186 {
187 while ($data = $ilDB->fetchAssoc($result))
188 {
189 array_push($this->errordata, new assAnswerErrorText($data["text_wrong"], $data["text_correct"], $data["points"]));
190 }
191 }
192
193 parent::loadFromDb($question_id);
194 }
195
199 public function duplicate($for_test = true, $title = "", $author = "", $owner = "", $testObjId = null)
200 {
201 if ($this->id <= 0)
202 {
203 // The question has not been saved. It cannot be duplicated
204 return;
205 }
206 // duplicate the question in database
207 $this_id = $this->getId();
208 $thisObjId = $this->getObjId();
209
210 $clone = $this;
211 include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
213 $clone->id = -1;
214
215 if( (int)$testObjId > 0 )
216 {
217 $clone->setObjId($testObjId);
218 }
219
220 if ($title)
221 {
222 $clone->setTitle($title);
223 }
224
225 if ($author)
226 {
227 $clone->setAuthor($author);
228 }
229 if ($owner)
230 {
231 $clone->setOwner($owner);
232 }
233
234 if ($for_test)
235 {
236 $clone->saveToDb($original_id);
237 }
238 else
239 {
240 $clone->saveToDb();
241 }
242 // copy question page content
243 $clone->copyPageOfQuestion($this_id);
244 // copy XHTML media objects
245 $clone->copyXHTMLMediaObjectsOfQuestion($this_id);
246
247 $clone->onDuplicate($thisObjId, $this_id, $clone->getObjId(), $clone->getId());
248 return $clone->id;
249 }
250
254 public function copyObject($target_questionpool_id, $title = "")
255 {
256 if ($this->id <= 0)
257 {
258 // The question has not been saved. It cannot be duplicated
259 return;
260 }
261 // duplicate the question in database
262
263 $thisId = $this->getId();
264 $thisObjId = $this->getObjId();
265
266 $clone = $this;
267 include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
269 $clone->id = -1;
270 $clone->setObjId($target_questionpool_id);
271 if ($title)
272 {
273 $clone->setTitle($title);
274 }
275 $clone->saveToDb();
276
277 // copy question page content
278 $clone->copyPageOfQuestion($original_id);
279 // copy XHTML media objects
280 $clone->copyXHTMLMediaObjectsOfQuestion($original_id);
281
282 $clone->onCopy($thisObjId, $thisId, $clone->getObjId(), $clone->getId());
283
284 return $clone->id;
285 }
286
287 public function createNewOriginalFromThisDuplicate($targetParentId, $targetQuestionTitle = "")
288 {
289 if ($this->id <= 0)
290 {
291 // The question has not been saved. It cannot be duplicated
292 return;
293 }
294
295 include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
296
297 $sourceQuestionId = $this->id;
298 $sourceParentId = $this->getObjId();
299
300 // duplicate the question in database
301 $clone = $this;
302 $clone->id = -1;
303
304 $clone->setObjId($targetParentId);
305
306 if ($targetQuestionTitle)
307 {
308 $clone->setTitle($targetQuestionTitle);
309 }
310
311 $clone->saveToDb();
312 // copy question page content
313 $clone->copyPageOfQuestion($sourceQuestionId);
314 // copy XHTML media objects
315 $clone->copyXHTMLMediaObjectsOfQuestion($sourceQuestionId);
316
317 $clone->onCopy($sourceParentId, $sourceQuestionId, $clone->getObjId(), $clone->getId());
318
319 return $clone->id;
320 }
321
327 public function getMaximumPoints()
328 {
329 $maxpoints = 0.0;
330 foreach ($this->errordata as $object)
331 {
332 if ($object->points > 0) $maxpoints += $object->points;
333 }
334 return $maxpoints;
335 }
336
347 public function calculateReachedPoints($active_id, $pass = NULL, $authorizedSolution = true, $returndetails = FALSE)
348 {
349 if( $returndetails )
350 {
351 throw new ilTestException('return details not implemented for '.__METHOD__);
352 }
353
354 global $ilDB;
355
356 /* First get the positions which were selected by the user. */
357 $positions = array();
358 if (is_null($pass)) {
359 $pass = $this->getSolutionMaxPass($active_id);
360 }
361 $result = $this->getCurrentSolutionResultSet($active_id, $pass, $authorizedSolution);
362
363 while ($row = $ilDB->fetchAssoc($result)) {
364 array_push($positions, $row['value1']);
365 }
366 $points = $this->getPointsForSelectedPositions($positions);
367 return $points;
368 }
369
371 {
372 return $this->getPointsForSelectedPositions($previewSession->getParticipantsSolution());
373 }
374
383 public function saveWorkingData($active_id, $pass = NULL, $authorized = true)
384 {
385 global $ilDB;
386 global $ilUser;
387
388 if (is_null($pass))
389 {
390 include_once "./Modules/Test/classes/class.ilObjTest.php";
391 $pass = ilObjTest::_getPass($active_id);
392 }
393
394 $this->getProcessLocker()->requestUserSolutionUpdateLock();
395
396 $affectedRows = $this->removeCurrentSolution($active_id, $pass, $authorized);
397
398 $entered_values = false;
399 if (strlen($_POST["qst_" . $this->getId()]))
400 {
401 $selected = split(",", $_POST["qst_" . $this->getId()]);
402 foreach ($selected as $position)
403 {
404 $affectedRows = $this->saveCurrentSolution($active_id, $pass, $position, null, $authorized);
405 }
406 $entered_values = true;
407 }
408
409 $this->getProcessLocker()->releaseUserSolutionUpdateLock();
410
411 if ($entered_values)
412 {
413 include_once ("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
415 {
416 $this->logAction($this->lng->txtlng("assessment", "log_user_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
417 }
418 }
419 else
420 {
421 include_once ("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
423 {
424 $this->logAction($this->lng->txtlng("assessment", "log_user_not_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
425 }
426 }
427
428 return true;
429 }
430
431 public function savePreviewData(ilAssQuestionPreviewSession $previewSession)
432 {
433 if( strlen($_POST["qst_" . $this->getId()]) )
434 {
435 $selection = explode(',', $_POST["qst_{$this->getId()}"]);
436 }
437 else
438 {
439 $selection = array();
440 }
441
442 $previewSession->setParticipantsSolution($selection);
443 }
444
453 protected function reworkWorkingData($active_id, $pass, $obligationsAnswered)
454 {
455 // nothing to rework!
456 }
457
463 public function getQuestionType()
464 {
465 return "assErrorText";
466 }
467
473 public function getAdditionalTableName()
474 {
475 return "qpl_qst_errortext";
476 }
477
483 public function getAnswerTableName()
484 {
485 return "qpl_a_errortext";
486 }
487
493 {
494 $text = parent::getRTETextWithMediaObjects();
495 return $text;
496 }
497
509 public function setExportDetailsXLS(&$worksheet, $startrow, $active_id, $pass, &$format_title, &$format_bold)
510 {
511 include_once ("./Services/Excel/classes/class.ilExcelUtils.php");
512 $worksheet->writeString($startrow, 0, ilExcelUtils::_convert_text($this->lng->txt($this->getQuestionType())), $format_title);
513 $worksheet->writeString($startrow, 1, ilExcelUtils::_convert_text($this->getTitle()), $format_title);
514
515 $i= 0;
516 $selections = array();
517 $solutions =& $this->getSolutionValues($active_id, $pass);
518 if (is_array($solutions))
519 {
520 foreach ($solutions as $solution)
521 {
522 array_push($selections, $solution['value1']);
523 }
524 $errortext_value = join(",", $selections);
525 }
526 $errortext = $this->createErrorTextExport($selections);
527 $i++;
528 $worksheet->writeString($startrow+$i, 0, ilExcelUtils::_convert_text($errortext));
529 $i++;
530 return $startrow + $i + 1;
531 }
532
545 public function fromXML(&$item, &$questionpool_id, &$tst_id, &$tst_object, &$question_counter, &$import_mapping)
546 {
547 include_once "./Modules/TestQuestionPool/classes/import/qti12/class.assErrorTextImport.php";
548 $import = new assErrorTextImport($this);
549 $import->fromXML($item, $questionpool_id, $tst_id, $tst_object, $question_counter, $import_mapping);
550 }
551
558 public function toXML($a_include_header = true, $a_include_binary = true, $a_shuffle = false, $test_output = false, $force_image_references = false)
559 {
560 include_once "./Modules/TestQuestionPool/classes/export/qti12/class.assErrorTextExport.php";
561 $export = new assErrorTextExport($this);
562 return $export->toXML($a_include_header, $a_include_binary, $a_shuffle, $test_output, $force_image_references);
563 }
564
570 public function getBestSolution($active_id, $pass)
571 {
572 $user_solution = array();
573 return $user_solution;
574 }
575
576 public function getErrorsFromText($a_text = "")
577 {
578 if (strlen($a_text) == 0)
579 $a_text = $this->getErrorText();
580
581 /* Workaround to allow '(' and ')' in passages.
582 The beginning- and ending- Passage delimiters are
583 replaced by a ~ (Tilde) symbol. */
584 $a_text = str_replace(array("((", "))"), array("~", "~"), $a_text);
585
586 /* Match either Passage delimited by double brackets
587 or single words marked with a hash (#). */
588 $r_passage = "/(~([^~]+)~|#([^\s]+))/";
589
590 preg_match_all($r_passage, $a_text, $matches);
591
592 if (is_array($matches[0]) && !empty($matches[0])) {
593 /* At least one match. */
594
595 /* We need only groups 2 and 3, respectively representing
596 passage matches and single word matches. */
597 $matches = array_intersect_key($matches, array(2 => '', 3 => ''));
598
599 /* Remove empty values. */
600 $matches[2] = array_diff($matches[2], array(''));
601 $matches[3] = array_diff($matches[3], array(''));
602
603 return array(
604 "passages" => $matches[2],
605 "words" => $matches[3],);
606 }
607
608 return array();
609 }
610
611 public function setErrorData($a_data)
612 {
613 include_once "./Modules/TestQuestionPool/classes/class.assAnswerErrorText.php";
614 $temp = $this->errordata;
615 $this->errordata = array();
616 foreach ($a_data as $err_type => $errors) {
617 /* Iterate through error types (Passages|single words) */
618
619 foreach ($errors as $idx => $error) {
620 /* Iterate through errors of this type. */
621 $text_correct = "";
622 $points = 0.0;
623 foreach ($temp as $object) {
624 if (strcmp($object->text_wrong, $error) == 0) {
625 $text_correct = $object->text_correct;
626 $points = $object->points;
627 continue;
628 }
629 }
630 $this->errordata[$idx] = new assAnswerErrorText($error, $text_correct, $points);
631 }
632 }
633 ksort($this->errordata);
634 }
635
636 public function createErrorTextOutput($selections = null, $graphicalOutput = false, $correct_solution = false, $use_link_tags = true)
637 {
638 $counter = 0;
639 $errorcounter = 0;
640 include_once "./Services/Utilities/classes/class.ilStr.php";
641 if (!is_array($selections)) $selections = array();
642 $textarray = preg_split("/[\n\r]+/", $this->getErrorText());
643
644 foreach ($textarray as $textidx => $text)
645 {
646 $in_passage = false;
647 $passage_end = false;
648 $items = preg_split("/\s+/", $text);
649 foreach ($items as $idx => $item)
650 {
651 $img = '';
652
653 if(
654 ($posHash = strpos($item, '#')) === 0 ||
655 ($posOpeningBrackets = strpos($item, '((')) === 0 ||
656 ($posClosingBrackets = strpos($item, '))')) !== false
657 )
658 {
659 /* (Word|Passage)-Marking delimiter found. */
660
661 if($posHash !== false)
662 {
663 $item = ilStr::substr($item, 1, ilStr::strlen($item) - 1);
664 $passage_end = false;
665 }
666 else if($posOpeningBrackets !== false)
667 {
668 $in_passage = true;
669 $passage_start_idx = $counter;
670 $items_in_passage = array();
671 $passage_end = false;
672 $item = ilStr::substr($item, 2, ilStr::strlen($item) - 2);
673
674 /* Sometimes a closing bracket group needs
675 to be removed as well. */
676 if(strpos($item, '))') !== false)
677 {
678 $item = str_replace("))", "", $item);
679 $passage_end = true;
680 }
681 }
682 else
683 {
684 $passage_end = true;
685 $item = str_replace("))", "", $item);
686 }
687
688 if($correct_solution && !$in_passage)
689 {
690 $errorobject = $this->errordata[$errorcounter];
691 if (is_object($errorobject) )
692 {
693 $item = strlen($errorobject->text_correct) ? $errorobject->text_correct : '&nbsp;';
694 }
695 $errorcounter++;
696 }
697 }
698
699 if($in_passage && !$passage_end)
700 {
701 $items_in_passage[$idx] = $item;
702 $items[$idx] = '';
703 $counter++;
704 continue;
705 }
706
707 if($in_passage && $passage_end)
708 {
709 $in_passage = false;
710 $passage_end = false;
711 if($correct_solution)
712 {
713 $class = ( $this->isTokenSelected($counter, $selections) ?
714 "ilc_qetitem_ErrorTextSelected" : "ilc_qetitem_ErrorTextItem"
715 );
716
717 $errorobject = $this->errordata[$errorcounter];
718 if (is_object($errorobject) )
719 {
720 $item = strlen($errorobject->text_correct) ? $errorobject->text_correct : '&nbsp;';
721 }
722 $errorcounter++;
723 $items[$idx] = $this->getErrorTokenHtml($item, $class, $use_link_tags) . $img;
724 $counter++;
725 continue;
726 }
727
728 $group_selected = true;
729 if($graphicalOutput)
730 {
731 $start_idx = $passage_start_idx;
732 foreach($items_in_passage as $tmp_idx => $tmp_item)
733 {
734 if(!$this->isTokenSelected($start_idx, $selections))
735 {
736 $group_selected = false;
737 break;
738 }
739
740 ++$start_idx;
741 }
742 if($group_selected)
743 {
744 if(!$this->isTokenSelected($counter, $selections))
745 {
746 $group_selected = false;
747 }
748 }
749 }
750
751 $item_stack = array();
752 $start_idx = $passage_start_idx;
753 foreach($items_in_passage as $tmp_idx => $tmp_item)
754 {
755 $class = ( $this->isTokenSelected($counter, $selections) ?
756 "ilc_qetitem_ErrorTextSelected" : "ilc_qetitem_ErrorTextItem"
757 );
758 $item_stack[] = $this->getErrorTokenHtml($tmp_item, $class, $use_link_tags) . $img;
759 $start_idx++;
760 }
761 $class = ( $this->isTokenSelected($counter, $selections) ?
762 "ilc_qetitem_ErrorTextSelected" : "ilc_qetitem_ErrorTextItem"
763 );
764 if($graphicalOutput)
765 {
766 if ($group_selected)
767 {
768 $img = ' <img src="' . ilUtil::getImagePath("icon_ok.svg") . '" alt="' . $this->lng->txt("answer_is_right") . '" title="' . $this->lng->txt("answer_is_right") . '" /> ';
769 }
770 else
771 {
772 $img = ' <img src="' . ilUtil::getImagePath("icon_not_ok.svg") . '" alt="' . $this->lng->txt("answer_is_wrong") . '" title="' . $this->lng->txt("answer_is_wrong") . '" /> ';
773 }
774 }
775
776 $item_stack[] = $this->getErrorTokenHtml($item, $class, $use_link_tags) . $img;
777 $item_stack = trim(implode(" ", $item_stack));
778 $item_stack = strlen($item_stack) ? $item_stack : '&nbsp;';
779
780 if($graphicalOutput)
781 {
782 $items[$idx] = '<span class="selGroup">'.$item_stack.'</span>';
783 }
784 else
785 {
786 $items[$idx] = $item_stack;
787 }
788
789 $counter++;
790 continue;
791 }
792
793 // Errors markes with #, group errors (()) are handled above
794 $class = 'ilc_qetitem_ErrorTextItem';
795 $img = '';
796 if($this->isTokenSelected($counter, $selections))
797 {
798 $class = "ilc_qetitem_ErrorTextSelected";
799 if($graphicalOutput)
800 {
801 if ($this->getPointsForSelectedPositions(array($counter)) > 0)
802 {
803 $img = ' <img src="' . ilUtil::getImagePath("icon_ok.svg") . '" alt="' . $this->lng->txt("answer_is_right") . '" title="' . $this->lng->txt("answer_is_right") . '" /> ';
804 }
805 else
806 {
807 $img = ' <img src="' . ilUtil::getImagePath("icon_not_ok.svg") . '" alt="' . $this->lng->txt("answer_is_wrong") . '" title="' . $this->lng->txt("answer_is_wrong") . '" /> ';
808 }
809 }
810 }
811
812 $items[$idx] = $this->getErrorTokenHtml($item, $class, $use_link_tags) . $img;
813 $counter++;
814 }
815 $textarray[$textidx] = '<p>' . implode(" ", $items) . '</p>';
816 }
817
818 return implode("\n", $textarray);
819 }
820
821 protected function isTokenSelected($counter, array $selection)
822 {
823 foreach($selection as $data)
824 {
825 if( !is_array($data) )
826 {
827 if($counter == $data)
828 {
829 return true;
830 }
831 }
832 elseif( in_array($counter, $data) )
833 {
834 return true;
835 }
836 }
837
838 return false;
839 }
840
841 public function createErrorTextExport($selections = null)
842 {
843 $counter = 0;
844 $errorcounter = 0;
845 include_once "./Services/Utilities/classes/class.ilStr.php";
846 if (!is_array($selections)) $selections = array();
847 $textarray = preg_split("/[\n\r]+/", $this->getErrorText());
848 foreach ($textarray as $textidx => $text)
849 {
850 $items = preg_split("/\s+/", $text);
851 foreach ($items as $idx => $item)
852 {
853 if (($posHash = strpos($item, '#')) === 0
854 || ($posOpeningBrackets = strpos($item, '((')) === 0
855 || ($posClosingBrackets = strpos($item, '))')) !== false) {
856 /* (Word|Passage)-Marking delimiter found. */
857
858 if ($posHash !== false)
859 $item = ilStr::substr($item, 1, ilStr::strlen($item) - 1);
860 elseif ($posOpeningBrackets !== false) {
861 $item = ilStr::substr($item, 2, ilStr::strlen($item) - 2);
862
863 /* Sometimes a closing bracket group needs
864 to be removed as well. */
865 if (strpos($item, '))') !== false)
866 $item = ilStr::substr($item, 0, ilStr::strlen($item) - 2);
867 }
868 else{
869 $appendComma = "";
870 if ($item{$posClosingBrackets+2} == ',')
871 $appendComma = ",";
872
873 $item = ilStr::substr($item, 0, $posClosingBrackets) . $appendComma;
874 }
875 }
876
877 $word = "";
878 if (in_array($counter, $selections))
879 {
880 $word .= '#';
881 }
882 $word .= ilUtil::prepareFormOutput($item);
883 if (in_array($counter, $selections))
884 {
885 $word .= '#';
886 }
887 $items[$idx] = $word;
888 $counter++;
889 }
890 $textarray[$textidx] = join($items, " ");
891 }
892 return join($textarray, "\n");
893 }
894
895 public function getBestSelection($withPositivePointsOnly = true)
896 {
897 $passages = array();
898 $words = array();
899 $counter = 0;
900 $errorcounter = 0;
901 $textarray = preg_split("/[\n\r]+/", $this->getErrorText());
902 foreach ($textarray as $textidx => $text)
903 {
904 $items = preg_split("/\s+/", $text);
905 $inPassage = false;
906 foreach ($items as $word)
907 {
908 $points = $this->getPointsWrong();
909 $isErrorItem = false;
910 if (strpos($word, '#') === 0)
911 {
912 /* Word selection detected */
913 $errorobject = $this->errordata[$errorcounter];
914 if (is_object($errorobject))
915 {
916 $points = $errorobject->points;
917 $isErrorItem = true;
918 }
919 $errorcounter++;
920 }
921 elseif (($posOpeningBracket = strpos($word, '((')) === 0
922 || ($posClosingBracket = strpos($word, '))')) !== false
923 || $inPassage)
924 {
925 /* Passage selection detected */
926
927 if ($posOpeningBracket !== false)
928 {
929 $passages[] = array('begin_pos' => $counter, 'cnt_words' => 0);
930 $inPassage = true;
931 }
932 elseif ($posClosingBracket !== false)
933 {
934 $inPassage = false;
935 $cur_pidx = count($passages) - 1;
936 $passages[$cur_pidx]['end_pos'] = $counter;
937
938 $errorobject = $this->errordata[$errorcounter];
939 if (is_object($errorobject))
940 {
941 $passages[$cur_pidx]['score'] = $errorobject->points;
942 $passages[$cur_pidx]['isError'] = true;
943 }
944
945 $errorcounter++;
946 }
947
948 $cur_pidx = count($passages) - 1;
949 $passages[$cur_pidx]['cnt_words']++;
950 $points = 0;
951 }
952
953 $words[$counter] = array("word" => $word, "points" => $points, "isError" => $isErrorItem);
954 $counter++;
955 }
956 }
957
958 $selections = array();
959 foreach ($passages as $cnt => $pdata)
960 {
961 if (!$withPositivePointsOnly && $pdata['isError'] || $withPositivePointsOnly && $pdata['score'] > 0)
962 {
963 $indexes = range($pdata['begin_pos'], $pdata['end_pos']);
964 $selections[$pdata['begin_pos']] = $indexes;
965 }
966 }
967
968 foreach ($words as $idx => $word)
969 {
970 if (!$withPositivePointsOnly && $word['isError'] || $withPositivePointsOnly && $word['points'] > 0)
971 {
972 $selections[$idx] = array($idx);
973 }
974 }
975
976 ksort($selections);
977
978 $selections = array_values($selections);
979
980 return $selections;
981 }
982
983 protected function getPointsForSelectedPositions($positions)
984 {
985 $passages = array();
986 $words = array();
987 $counter = 0;
988 $errorcounter = 0;
989 $textarray = preg_split("/[\n\r]+/", $this->getErrorText());
990 foreach ($textarray as $textidx => $text)
991 {
992 $items = preg_split("/\s+/", $text);
993 $inPassage = false;
994 foreach ($items as $word)
995 {
996 $points = $this->getPointsWrong();
997 if (strpos($word, '#') === 0)
998 {
999 /* Word selection detected */
1000 $errorobject = $this->errordata[$errorcounter];
1001 if (is_object($errorobject))
1002 {
1003 $points = $errorobject->points;
1004 }
1005 $errorcounter++;
1006 }
1007 elseif (($posOpeningBracket = strpos($word, '((')) === 0
1008 || ($posClosingBracket = strpos($word, '))')) !== false
1009 || $inPassage)
1010 {
1011 /* Passage selection detected */
1012
1013 if ($posOpeningBracket !== false)
1014 {
1015 $passages[] = array('begin_pos' => $counter, 'cnt_words' => 0);
1016 $inPassage = true;
1017 }
1018 elseif ($posClosingBracket !== false)
1019 {
1020 $inPassage = false;
1021 $cur_pidx = count($passages) - 1;
1022 $passages[$cur_pidx]['end_pos'] = $counter;
1023
1024 $errorobject = $this->errordata[$errorcounter];
1025 if (is_object($errorobject))
1026 {
1027 $passages[$cur_pidx]['score'] = $errorobject->points;
1028 }
1029 $errorcounter++;
1030 }
1031
1032 $cur_pidx = count($passages) - 1;
1033 $passages[$cur_pidx]['cnt_words']++;
1034 $points = 0;
1035 }
1036
1037 $words[$counter] = array("word" => $word, "points" => $points);
1038 $counter++;
1039 }
1040 }
1041
1042 /* Calculate reached points */
1043 $total = 0;
1044 foreach ($positions as $position)
1045 {
1046 /* First iterate through positions
1047 to identify single-word-selections. */
1048
1049 $total += $words[$position]['points'];
1050 }
1051
1052 foreach ($passages as $cnt => $p_data)
1053 {
1054 /* Iterate through configured passages to check
1055 wether the entire passage is selected or not.
1056 The total points is incremented by the passage's
1057 score only if the entire passage is selected. */
1058 $isSelected = in_array($p_data['begin_pos'], $positions);
1059
1060 for ($i = 0; $i < $p_data['cnt_words']; $i++)
1061 {
1062 $current_pos = $p_data['begin_pos'] + $i;
1063 $isSelected = $isSelected && in_array($current_pos, $positions);
1064 }
1065
1066 $total += $isSelected ? $p_data['score'] : 0;
1067 }
1068
1069 return $total;
1070 }
1071
1075 public function flushErrorData()
1076 {
1077 $this->errordata = array();
1078 }
1079
1080 public function addErrorData($text_wrong, $text_correct, $points)
1081 {
1082 include_once "./Modules/TestQuestionPool/classes/class.assAnswerErrorText.php";
1083 array_push($this->errordata, new assAnswerErrorText($text_wrong, $text_correct, $points));
1084 }
1085
1091 public function getErrorData()
1092 {
1093 return $this->errordata;
1094 }
1095
1101 public function getErrorText()
1102 {
1103 return $this->errortext;
1104 }
1105
1111 public function setErrorText($a_value)
1112 {
1113 $this->errortext = $a_value;
1114 }
1115
1121 public function getTextSize()
1122 {
1123 return $this->textsize;
1124 }
1125
1131 public function setTextSize($a_value)
1132 {
1133 // in self-assesment-mode value should always be set (and must not be null)
1134 if($a_value === null)
1135 {
1136 $a_value = 100;
1137 }
1138 $this->textsize = $a_value;
1139 }
1140
1146 public function getPointsWrong()
1147 {
1148 return $this->points_wrong;
1149 }
1150
1156 public function setPointsWrong($a_value)
1157 {
1158 $this->points_wrong = $a_value;
1159 }
1160
1164 public function __get($value)
1165 {
1166 switch ($value)
1167 {
1168 case "errortext":
1169 return $this->getErrorText();
1170 break;
1171 case "textsize":
1172 return $this->getTextSize();
1173 break;
1174 case "points_wrong":
1175 return $this->getPointsWrong();
1176 break;
1177 default:
1178 return parent::__get($value);
1179 break;
1180 }
1181 }
1182
1186 public function __set($key, $value)
1187 {
1188 switch ($key)
1189 {
1190 case "errortext":
1191 $this->setErrorText($value);
1192 break;
1193 case "textsize":
1194 $this->setTextSize($value);
1195 break;
1196 case "points_wrong":
1197 $this->setPointsWrong($value);
1198 break;
1199 default:
1200 parent::__set($key, $value);
1201 break;
1202 }
1203 }
1204
1205
1209 public function toJSON()
1210 {
1211 include_once("./Services/RTE/classes/class.ilRTE.php");
1212 $result = array();
1213 $result['id'] = (int) $this->getId();
1214 $result['type'] = (string) $this->getQuestionType();
1215 $result['title'] = (string) $this->getTitle();
1216 $result['question'] = $this->formatSAQuestion($this->getQuestion());
1217 $result['text'] = (string) ilRTE::_replaceMediaObjectImageSrc($this->getErrorText(), 0);
1218 $result['nr_of_tries'] = (int) $this->getNrOfTries();
1219 $result['shuffle'] = (bool) $this->getShuffle();
1220 $result['feedback'] = array(
1221 'onenotcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), false)),
1222 'allcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), true))
1223 );
1224
1225 $answers = array();
1226 foreach ($this->getErrorData() as $idx => $answer_obj)
1227 {
1228 array_push($answers, array(
1229 "answertext_wrong" => (string) $answer_obj->text_wrong,
1230 "answertext_correct" => (string) $answer_obj->text_correct,
1231 "points" => (float)$answer_obj->points,
1232 "order" => (int)$idx+1
1233 ));
1234 }
1235 $result['correct_answers'] = $answers;
1236
1237 $answers = array();
1238 $textarray = preg_split("/[\n\r]+/", $this->getErrorText());
1239 foreach ($textarray as $textidx => $text)
1240 {
1241 $items = preg_split("/\s+/", trim($text));
1242 foreach ($items as $idx => $item)
1243 {
1244 if(substr($item, 0, 1) == "#")
1245 {
1246 $item = substr($item, 1);
1247
1248 // #14115 - add position to correct answer
1249 foreach($result["correct_answers"] as $aidx => $answer)
1250 {
1251 if($answer["answertext_wrong"] == $item && !$answer["pos"])
1252 {
1253 $result["correct_answers"][$aidx]["pos"] = $this->getId()."_".$textidx."_".($idx+1);
1254 break;
1255 }
1256 }
1257 }
1258 array_push($answers, array(
1259 "answertext" => (string) ilUtil::prepareFormOutput($item),
1260 "order" => $this->getId()."_".$textidx."_".($idx+1)
1261 ));
1262 }
1263 if($textidx != sizeof($textarray)-1)
1264 {
1265 array_push($answers, array(
1266 "answertext" => "###",
1267 "order" => $this->getId()."_".$textidx."_".($idx+2)
1268 ));
1269 }
1270 }
1271 $result['answers'] = $answers;
1272
1273 $mobs = ilObjMediaObject::_getMobsOfObject("qpl:html", $this->getId());
1274 $result['mobs'] = $mobs;
1275
1276 return json_encode($result);
1277 }
1278
1287 public function getOperators($expression)
1288 {
1289 require_once "./Modules/TestQuestionPool/classes/class.ilOperatorsExpressionMapping.php";
1291 }
1292
1297 public function getExpressionTypes()
1298 {
1299 return array(
1304 );
1305 }
1306
1315 public function getUserQuestionResult($active_id, $pass)
1316 {
1318 global $ilDB;
1319 $result = new ilUserQuestionResult($this, $active_id, $pass);
1320
1321 $data = $ilDB->queryF(
1322 "SELECT value1+1 as value1 FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s AND step = (
1323 SELECT MAX(step) FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s
1324 )",
1325 array("integer", "integer", "integer","integer", "integer", "integer"),
1326 array($active_id, $pass, $this->getId(), $active_id, $pass, $this->getId())
1327 );
1328
1329 while($row = $ilDB->fetchAssoc($data))
1330 {
1331 $result->addKeyValue($row["value1"], $row["value1"]);
1332 }
1333
1334 $points = $this->calculateReachedPoints($active_id, $pass);
1335 $max_points = $this->getMaximumPoints();
1336
1337 $result->setReachedPercentage(($points/$max_points) * 100);
1338
1339 return $result;
1340 }
1341
1350 public function getAvailableAnswerOptions($index = null)
1351 {
1352 $error_text_array = explode(' ', $this->errortext);
1353
1354 if($index !== null)
1355 {
1356 if(array_key_exists($index, $error_text_array))
1357 {
1358 return $error_text_array[$index];
1359 }
1360 return null;
1361 }
1362 else
1363 {
1364 return $error_text_array;
1365 }
1366 }
1367
1373 private function getErrorTokenHtml($item, $class, $useLinkTags)
1374 {
1375 if($useLinkTags)
1376 {
1377 return '<a class="' . $class . '" href="#">' . ($item == '&nbsp;' ? $item : ilUtil::prepareFormOutput($item)) . '</a>';
1378 }
1379
1380 return '<span class="' . $class . '">' . ($item == '&nbsp;' ? $item : ilUtil::prepareFormOutput($item)) . '</span>';
1381 }
1382}
$result
Class for error text answers.
Class for error text question exports.
Class for error text question imports.
Class for error text questions.
getErrorData()
Get error data.
toXML($a_include_header=true, $a_include_binary=true, $a_shuffle=false, $test_output=false, $force_image_references=false)
Returns a QTI xml representation of the question and sets the internal domxml variable with the DOM X...
setExportDetailsXLS(&$worksheet, $startrow, $active_id, $pass, &$format_title, &$format_bold)
Creates an Excel worksheet for the detailed cumulated results of this question.
flushErrorData()
Flush error data.
saveWorkingData($active_id, $pass=NULL, $authorized=true)
Saves the learners input of the question to the database.
loadFromDb($question_id)
Loads the object from the database.
getTextSize()
Set text size in percent.
getOperators($expression)
Get all available operations for a specific question.
calculateReachedPoints($active_id, $pass=NULL, $authorizedSolution=true, $returndetails=FALSE)
Returns the points, a learner has reached answering the question.
__construct( $title='', $comment='', $author='', $owner=-1, $question='')
assErorText constructor
getAvailableAnswerOptions($index=null)
If index is null, the function returns an array with all anwser options Else it returns the specific ...
getErrorsFromText($a_text="")
__get($value)
Object getter.
createErrorTextExport($selections=null)
duplicate($for_test=true, $title="", $author="", $owner="", $testObjId=null)
Duplicates the object.
savePreviewData(ilAssQuestionPreviewSession $previewSession)
Reworks the allready saved working data if neccessary.
__set($key, $value)
Object setter.
getErrorText()
Get error text.
toJSON()
Returns a JSON representation of the question.
createErrorTextOutput($selections=null, $graphicalOutput=false, $correct_solution=false, $use_link_tags=true)
setTextSize($a_value)
Set text size in percent.
setErrorText($a_value)
Set error text.
getAnswerTableName()
Returns the name of the answer table in the database.
saveToDb($original_id="")
Saves a the object to the database.
saveAnswerSpecificDataToDb()
Saves the answer specific records into a question types answer table.
copyObject($target_questionpool_id, $title="")
Copies an object.
setPointsWrong($a_value)
Set wrong points.
calculateReachedPointsFromPreviewSession(ilAssQuestionPreviewSession $previewSession)
getErrorTokenHtml($item, $class, $useLinkTags)
getBestSelection($withPositivePointsOnly=true)
getMaximumPoints()
Returns the maximum points, a learner can reach answering the question.
getRTETextWithMediaObjects()
Collects all text in the question which could contain media objects which were created with the Rich ...
getPointsForSelectedPositions($positions)
createNewOriginalFromThisDuplicate($targetParentId, $targetQuestionTitle="")
getAdditionalTableName()
Returns the name of the additional question data table in the database.
getPointsWrong()
Get wrong points.
isTokenSelected($counter, array $selection)
isComplete()
Returns true, if a single choice question is complete for use.
getBestSolution($active_id, $pass)
Returns the best solution for a given pass of a participant.
fromXML(&$item, &$questionpool_id, &$tst_id, &$tst_object, &$question_counter, &$import_mapping)
Creates a question from a QTI file.
reworkWorkingData($active_id, $pass, $obligationsAnswered)
Reworks the allready saved working data if neccessary.
saveAdditionalQuestionDataToDb()
Saves the data for the additional data table.
addErrorData($text_wrong, $text_correct, $points)
getExpressionTypes()
Get all available expression types for a specific question.
getQuestionType()
Returns the question type of the question.
Abstract basic class which is to be extended by the concrete assessment question type classes.
getCurrentSolutionResultSet($active_id, $pass, $authorized=true)
Get a restulset for the current user solution for a this question by active_id and pass.
static _getOriginalId($question_id)
Returns the original id of a question.
formatSAQuestion($a_q)
Format self assessment question.
setId($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.
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, $sec=0)
Sets the estimated working time of a question from given hour, minute and second.
setAuthor($author="")
Sets the authors name of the assQuestion object.
getSolutionValues($active_id, $pass=NULL, $authorized=true)
Loads solutions of a given user from the database an returns it.
getShuffle()
Gets the shuffle flag.
logAction($logtext="", $active_id="", $question_id="")
Logs an action into the Test&Assessment log.
removeCurrentSolution($active_id, $pass, $authorized=true, $ignoredSolutionIds=array())
getTitle()
Gets the title string of the assQuestion object.
setPoints($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($additinalContentEditingMode)
setter for additional content editing mode for this question
saveCurrentSolution($active_id, $pass, $value1, $value2, $authorized=true)
setQuestion($question="")
Sets the question string of the question object.
_convert_text($a_text, $a_target="has been removed")
_getLogLanguage()
retrieve the log language for assessment logging
_enabledAssessmentLogging()
check wether assessment logging is enabled or not
_getMobsOfObject($a_type, $a_id, $a_usage_hist_nr=0, $a_lang="-")
get mobs of object
_getPass($active_id)
Retrieves the actual pass of a given user for a given test.
static _replaceMediaObjectImageSrc($a_text, $a_direction=0, $nic=IL_INST_ID)
replaces image source from mob image urls with the mob id or replaces mob id with the correct image s...
Base Exception for all Exceptions relating to Modules/Test.
Class ilUserQuestionResult.
static getImagePath($img, $module_path="", $mode="output", $offline=false)
get image path (for images located in a template directory)
static prepareFormOutput($a_str, $a_strip=false)
prepares string output for html forms @access public
$_POST['username']
Definition: cron.php:12
$data
$text
Class iQuestionCondition.
getUserQuestionResult($active_id, $pass)
Get the user solution for a question by active_id and the test pass.
Interface ilObjAnswerScoringAdjustable.
Interface ilObjQuestionScoringAdjustable.
global $ilDB
$errors
$mobs
global $ilUser
Definition: imgupload.php:15