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class.assFormulaQuestion.php
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1 <?php
2 /* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
3 
4 include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
5 include_once "./Modules/TestQuestionPool/classes/class.assFormulaQuestionResult.php";
6 include_once "./Modules/TestQuestionPool/classes/class.assFormulaQuestionVariable.php";
7 include_once "./Modules/TestQuestionPool/classes/class.ilUnitConfigurationRepository.php";
8 include_once "./Modules/Test/classes/inc.AssessmentConstants.php";
9 
17 class assFormulaQuestion extends assQuestion
18 {
19  private $variables;
20  private $results;
21  private $resultunits;
22 
26  private $unitrepository;
27 
39  function __construct(
40  $title = "",
41  $comment = "",
42  $author = "",
43  $owner = -1,
44  $question = ""
45  )
46  {
47  parent::__construct($title, $comment, $author, $owner, $question);
48  $this->variables = array();
49  $this->results = array();
50  $this->resultunits = array();
51  $this->unitrepository = new ilUnitConfigurationRepository(0);
52 
53  }
54 
55  public function clearVariables()
56  {
57  $this->variables = array();
58  }
59 
60  public function getVariables()
61  {
62  return $this->variables;
63  }
64 
65  public function getVariable($variable)
66  {
67  if(array_key_exists($variable, $this->variables))
68  {
69  return $this->variables[$variable];
70  }
71  return null;
72  }
73 
74  public function addVariable($variable)
75  {
76  $this->variables[$variable->getVariable()] = $variable;
77  }
78 
79  public function clearResults()
80  {
81  $this->results = array();
82  }
83 
84  public function getResults()
85  {
86  return $this->results;
87  }
88 
89  public function getResult($result)
90  {
91  if(array_key_exists($result, $this->results))
92  {
93  return $this->results[$result];
94  }
95  return null;
96  }
97 
98  public function addResult($result)
99  {
100  $this->results[$result->getResult()] = $result;
101  }
102 
103  public function addResultUnits($result, $unit_ids)
104  {
105  $this->resultunits[$result->getResult()] = array();
106  if((!is_object($result)) || (!is_array($unit_ids))) return;
107  foreach($unit_ids as $id)
108  {
109  if(is_numeric($id) && ($id > 0)) $this->resultunits[$result->getResult()][$id] = $this->getUnitrepository()->getUnit($id);
110  }
111  }
112 
113  public function addResultUnit($result, $unit)
114  {
115  if(is_object($result) && is_object($unit))
116  {
117  if(!is_array($this->resultunits[$result->getResult()]))
118  {
119  $this->resultunits[$result->getResult()] = array();
120  }
121  $this->resultunits[$result->getResult()][$unit->getId()] = $unit;
122 
123  }
124  }
125 
126  public function getResultUnits($result)
127  {
128  if(array_key_exists($result->getResult(), $this->resultunits))
129  {
130  return $this->resultunits[$result->getResult()];
131  }
132  else
133  {
134  return array();
135  }
136  }
137 
138  public function hasResultUnit($result, $unit_id)
139  {
140  if(array_key_exists($result->getResult(), $this->resultunits))
141  {
142  if(array_key_exists($unit_id, $this->resultunits[$result->getResult()]))
143  {
144  return TRUE;
145  }
146  }
147 
148  return FALSE;
149  }
150 
151  public function parseQuestionText()
152  {
153  $this->clearResults();
154  $this->clearVariables();
155  if(preg_match_all("/(\\\$v\\d+)/ims", $this->getQuestion(), $matches))
156  {
157  foreach($matches[1] as $variable)
158  {
159  $varObj = new assFormulaQuestionVariable($variable, 0, 0, null, 0);
160  $this->addVariable($varObj);
161  }
162  }
163 
164  if(preg_match_all("/(\\\$r\\d+)/ims", $this->getQuestion(), $rmatches))
165  {
166  foreach($rmatches[1] as $result)
167  {
168  $resObj = new assFormulaQuestionResult($result, NULL, NULL, 0, -1, NULL, 1, 1, TRUE);
169  $this->addResult($resObj);
170  }
171  }
172  }
173 
174  public function checkForDuplicateVariables()
175  {
176  if(preg_match_all("/(\\\$v\\d+)/ims", $this->getQuestion(), $matches))
177  {
178  if((count(array_unique($matches[1]))) != count($matches[1])) return false;
179  }
180  return true;
181  }
182 
183  public function checkForDuplicateResults()
184  {
185  if(preg_match_all("/(\\\$r\\d+)/ims", $this->getQuestion(), $rmatches))
186  {
187  if((count(array_unique($rmatches[1]))) != count($rmatches[1])) return false;
188  }
189  return true;
190  }
191 
192  public function substituteVariables($userdata = null, $graphicalOutput = FALSE, $forsolution = FALSE, $result_output = FALSE)
193  {
194  global $ilDB;
195 
196  if((count($this->results) == 0) && (count($this->variables) == 0))
197  return false;
198 
199  $text = $this->getQuestion();
200  if(preg_match_all("/(\\\$r\\d+)/ims", $this->getQuestion(), $rmatches))
201  {
202  foreach($rmatches[1] as $result)
203  {
204  $resObj = $this->getResult($result);
205  $resObj->findValidRandomVariables($this->getVariables(), $this->getResults());
206  }
207  }
208  if(preg_match_all("/(\\\$v\\d+)/ims", $this->getQuestion(), $matches))
209  {
210  foreach($matches[1] as $variable)
211  {
212  $varObj = $this->getVariable($variable);
213  if(is_array($userdata))
214  {
215  if(strlen($userdata[$varObj->getVariable()]))
216  {
217  $value = $userdata[$varObj->getVariable()];
218  $varObj->setValue($value);
219  }
220  else
221  {
222  // save value to db
223  $next_id = $ilDB->nextId('tst_solutions');
224  $affectedRows = $ilDB->insert("tst_solutions", array(
225  "solution_id" => array("integer", $next_id),
226  "active_fi" => array("integer", $userdata["active_id"]),
227  "question_fi" => array("integer", $this->getId()),
228  "value1" => array("clob", $variable),
229  "value2" => array("clob", $varObj->getValue()),
230  "points" => array("float", 0),
231  "pass" => array("integer", $userdata["pass"]),
232  "tstamp" => array("integer", time())
233  ));
234  }
235  }
236  $unit = (is_object($varObj->getUnit())) ? $varObj->getUnit()->getUnit() : "";
237  $val = (strlen($varObj->getValue()) > 8) ? strtoupper(sprintf("%e", $varObj->getValue())) : $varObj->getValue();
238  $text = preg_replace("/\\$" . substr($variable, 1) . "(?![0-9]+)/", $val . " " . $unit . "\\1", $text);
239  }
240  }
241  if(preg_match_all("/(\\\$r\\d+)/ims", $this->getQuestion(), $rmatches))
242  {
243  foreach($rmatches[1] as $result)
244  {
245  $resObj = $this->getResult($result);
246  $value = "";
247  $frac_helper = '';
248  $user_data[$result]['result_type'] = $resObj->getResultType();
249 
250  if(
251  $resObj->getResultType() == assFormulaQuestionResult::RESULT_FRAC ||
252  $resObj->getResultType() == assFormulaQuestionResult::RESULT_CO_FRAC
253  )
254  {
255  $is_frac = true;
256  }
257  if(is_array($userdata))
258  {
259  if(is_array($userdata[$result]))
260  {
261  if($forsolution && $result_output)
262  {
263  $value_org = $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId());
264  $value = sprintf("%." . $resObj->getPrecision() . "f", $value_org);
265  if($is_frac)
266  {
267  $value = assFormulaQuestionResult::convertDecimalToCoprimeFraction($value_org);
268  if(is_array($value))
269  {
270  $frac_helper = $value[1];
271  $value = $value[0];
272  }
273  }
274  }
275  else
276  {
277  if($forsolution)
278  {
279  $value = $userdata[$result]["value"];
280  }
281  else
282  {
283  $value = ' value="' . $userdata[$result]["value"] . '"';
284  }
285  }
286  }
287  }
288  else
289  {
290  if($forsolution)
291  {
292  $value = $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId());
293  $value = sprintf("%." . $resObj->getPrecision() . "f", $value);
294 
295  if($is_frac)
296  {
297  $value = assFormulaQuestionResult::convertDecimalToCoprimeFraction($value);
298  if(is_array($value))
299  {
300  $frac_helper = $value[1];
301  $value = $value[0];
302  }
303  $value = ' value="' . $value . '"';
304  }
305  }
306  else
307  {
308  // Precision fix for Preview by tjoussen
309  // If all default values are set, this function is called in getPreview
310  $use_precision = !($userdata == null && $graphicalOutput == FALSE && $forsolution == FALSE && $result_output == FALSE);
311 
312  $val = $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId(), $use_precision);
313 
314  if($resObj->getResultType() == assFormulaQuestionResult::RESULT_FRAC
315  ||$resObj->getResultType() == assFormulaQuestionResult::RESULT_CO_FRAC)
316  {
317  $val = $resObj->convertDecimalToCoprimeFraction($val);
318  if(is_array($val))
319  {
320  $frac_helper = $val[1];
321  $val = $val[0];
322  }
323  }
324  else
325  {
326  $val = sprintf("%." . $resObj->getPrecision() . "f", $val);
327  $val = (strlen($val) > 8) ? strtoupper(sprintf("%e", $val)) : $val;
328  }
329  $value = ' value="' . $val . '"';
330  }
331  }
332 
333  if($forsolution)
334  {
335  $input = '<span class="solutionbox">' . ilUtil::prepareFormOutput($value) . '</span>';
336  }
337  else
338  {
339  $input = '<input type="text" name="result_' . $result . '"' . $value . ' />';
340  }
341 
342  $units = "";
343  if(count($this->getResultUnits($resObj)) > 0)
344  {
345  if($forsolution)
346  {
347  if(is_array($userdata))
348  {
349  foreach($this->getResultUnits($resObj) as $unit)
350  {
351  if($userdata[$result]["unit"] == $unit->getId())
352  {
353  $units = $unit->getUnit();
354  }
355  }
356  }
357  else
358  {
359  if($resObj->getUnit())
360  {
361  $units = $resObj->getUnit()->getUnit();
362  }
363  }
364  }
365  else
366  {
367  $units = '<select name="result_' . $result . '_unit">';
368  $units .= '<option value="-1">' . $this->lng->txt("select_unit") . '</option>';
369  foreach($this->getResultUnits($resObj) as $unit)
370  {
371  $units .= '<option value="' . $unit->getId() . '"';
372  if((is_array($userdata[$result])) && (strlen($userdata[$result]["unit"])))
373  {
374  if($userdata[$result]["unit"] == $unit->getId())
375  {
376  $units .= ' selected="selected"';
377  }
378  }
379  $units .= '>' . $unit->getUnit() . '</option>';
380  }
381  $units .= '</select>';
382  }
383  }
384  else
385  {
386  $units = "";
387  }
388  switch($resObj->getResultType())
389  {
390  case assFormulaQuestionResult::RESULT_DEC:
391  $units .= ' ' . $this->lng->txt('expected_result_type') . ': ' . $this->lng->txt('result_dec');
392  break;
393  case assFormulaQuestionResult::RESULT_FRAC:
394  if(strlen($frac_helper))
395  {
396  $units .= ' &asymp; ' . $frac_helper . ', ';
397  }
398  elseif (is_array($userdata) && isset($userdata[$result]) && strlen($userdata[$result]["frac_helper"]))
399  {
400  if(!preg_match('-/-', $value))
401  {
402  $units .= ' &asymp; ' . $userdata[$result]["frac_helper"] . ', ';
403  }
404  }
405  $units .= ' ' . $this->lng->txt('expected_result_type') . ': ' . $this->lng->txt('result_frac');
406  break;
407  case assFormulaQuestionResult::RESULT_CO_FRAC:
408  if(strlen($frac_helper))
409  {
410  $units .= ' &asymp; ' . $frac_helper . ', ';
411  }
412  elseif (is_array($userdata) && isset($userdata[$result]) && strlen($userdata[$result]["frac_helper"]))
413  {
414  if(!preg_match('-/-', $value))
415  {
416  $units .= ' &asymp; ' . $userdata[$result]["frac_helper"] . ', ';
417  }
418  }
419  $units .= ' ' . $this->lng->txt('expected_result_type') . ': ' . $this->lng->txt('result_co_frac');
420  break;
421  case assFormulaQuestionResult::RESULT_NO_SELECTION:
422  break;
423  }
424  $checkSign = "";
425  if($graphicalOutput)
426  {
427  $resunit = null;
428  $user_value = '';
429  if(is_array($userdata) && is_array($userdata[$result]))
430  {
431  if($userdata[$result]["unit"] > 0)
432  {
433  $resunit = $this->getUnitrepository()->getUnit($userdata[$result]["unit"]);
434  }
435 
436  if(isset($userdata[$result]["value"]))
437  {
438  $user_value = $userdata[$result]["value"];
439  }
440  }
441 
442  $template = new ilTemplate("tpl.il_as_qpl_formulaquestion_output_solution_image.html", true, true, 'Modules/TestQuestionPool');
443 
444  if($resObj->isCorrect($this->getVariables(), $this->getResults(), $user_value, $resunit))
445  {
446  $template->setCurrentBlock("icon_ok");
447  $template->setVariable("ICON_OK", ilUtil::getImagePath("icon_ok.png"));
448  $template->setVariable("TEXT_OK", $this->lng->txt("answer_is_right"));
449  $template->parseCurrentBlock();
450  }
451  else
452  {
453  $template->setCurrentBlock("icon_not_ok");
454  $template->setVariable("ICON_NOT_OK", ilUtil::getImagePath("icon_not_ok.png"));
455  $template->setVariable("TEXT_NOT_OK", $this->lng->txt("answer_is_wrong"));
456  $template->parseCurrentBlock();
457  }
458  $checkSign = $template->get();
459  }
460  $resultOutput = "";
461  if($result_output)
462  {
463  $template = new ilTemplate("tpl.il_as_qpl_formulaquestion_output_solution_result.html", true, true, 'Modules/TestQuestionPool');
464 
465  if(is_array($userdata))
466  {
467  $found = $resObj->getResultInfo($this->getVariables(), $this->getResults(), $userdata[$resObj->getResult()]["value"], $userdata[$resObj->getResult()]["unit"], $this->getUnitrepository()->getUnits());
468  }
469  else
470  {
471  $found = $resObj->getResultInfo($this->getVariables(), $this->getResults(), $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId()), is_object($resObj->getUnit()) ? $resObj->getUnit()->getId() : NULL, $this->getUnitrepository()->getUnits());
472  }
473  $resulttext = "(";
474  if($resObj->getRatingSimple())
475  {
476  if($frac_helper)
477  {
478  $resulttext .="n/a";
479  }
480  else
481  {
482  $resulttext .= $found['points'] . " " . (($found['points'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points'));
483  }
484  }
485  else
486  {
487  $resulttext .= $this->lng->txt("rated_sign") . " " . (($found['sign']) ? $found['sign'] : 0) . " " . (($found['sign'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points')) . ", ";
488  $resulttext .= $this->lng->txt("rated_value") . " " . (($found['value']) ? $found['value'] : 0) . " " . (($found['value'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points')) . ", ";
489  $resulttext .= $this->lng->txt("rated_unit") . " " . (($found['unit']) ? $found['unit'] : 0) . " " . (($found['unit'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points'));
490  }
491 
492  $resulttext .= ")";
493  $template->setVariable("RESULT_OUTPUT", $resulttext);
494 
495  $resultOutput = $template->get();
496  }
497  $text = preg_replace("/\\\$" . substr($result, 1) . "(?![0-9]+)/", $input . " " . $units . " " . $checkSign . " " . $resultOutput . " " . "\\1", $text);
498  }
499  }
500  return $text;
501  }
502 
509  public function canUseAdvancedRating($result)
510  {
511  $result_units = $this->getResultUnits($result);
512  $resultunit = $result->getUnit();
513  $similar_units = 0;
514  foreach($result_units as $unit)
515  {
516  if(is_object($resultunit))
517  {
518  if($resultunit->getId() != $unit->getId())
519  {
520  if($resultunit->getBaseUnit() && $unit->getBaseUnit())
521  {
522  if($resultunit->getBaseUnit() == $unit->getBaseUnit()) return false;
523  }
524  if($resultunit->getBaseUnit())
525  {
526  if($resultunit->getBaseUnit() == $unit->getId()) return false;
527  }
528  if($unit->getBaseUnit())
529  {
530  if($unit->getBaseUnit() == $resultunit->getId()) return false;
531  }
532  }
533  }
534  }
535  return true;
536  }
537 
542  public function isComplete()
543  {
544  if(($this->title) and ($this->author) and ($this->question) and ($this->getMaximumPoints() > 0))
545  {
546  return true;
547  }
548  else
549  {
550  return false;
551  }
552  }
553 
558  function saveToDb($original_id = "")
559  {
560  global $ilDB;
561 
562  $this->saveQuestionDataToDb($original_id);
563  // save variables
564  $affectedRows = $ilDB->manipulateF("
565  DELETE FROM il_qpl_qst_fq_var
566  WHERE question_fi = %s",
567  array("integer"),
568  array($this->getId())
569  );
570 
571  $source_qst_id = $original_id;
572  $target_qst_id = $this->getId();
573 
574  foreach($this->variables as $variable)
575  {
576  $next_id = $ilDB->nextId('il_qpl_qst_fq_var');
577  $ilDB->insert('il_qpl_qst_fq_var',
578  array(
579  'variable_id' => array('integer', $next_id),
580  'question_fi' => array('integer', $this->getId()),
581  'variable' => array('text', $variable->getVariable()),
582  'range_min' => array('float', ((strlen($variable->getRangeMin())) ? $variable->getRangeMin() : 0.0)),
583  'range_max' => array('float', ((strlen($variable->getRangeMax())) ? $variable->getRangeMax() : 0.0)),
584  'unit_fi' => array('integer', (is_object($variable->getUnit()) ? (int)$variable->getUnit()->getId() : 0)),
585  'varprecision' => array('integer', (int)$variable->getPrecision()),
586  'intprecision' => array('integer', (int)$variable->getIntprecision()),
587  'range_min_txt' => array('text', $variable->getRangeMinTxt()),
588  'range_max_txt' => array('text', $variable->getRangeMaxTxt())
589  ));
590 
591  }
592  // save results
593  $affectedRows = $ilDB->manipulateF("DELETE FROM il_qpl_qst_fq_res WHERE question_fi = %s",
594  array("integer"),
595  array($this->getId())
596  );
597 
598  foreach($this->results as $result)
599  {
600  $next_id = $ilDB->nextId('il_qpl_qst_fq_res');
601  if( is_object($result->getUnit()))
602  {
603  $tmp_result_unit = $result->getUnit()->getId();
604  }
605  else
606  {
607  $tmp_result_unit = NULL;
608  }
609 
610  $formula = str_replace(",", ".", $result->getFormula());
611 
612  $ilDB->insert("il_qpl_qst_fq_res", array(
613  "result_id" => array("integer", $next_id),
614  "question_fi" => array("integer", $this->getId()),
615  "result" => array("text", $result->getResult()),
616  "range_min" => array("float", ((strlen($result->getRangeMin())) ? $result->getRangeMin() : 0)),
617  "range_max" => array("float", ((strlen($result->getRangeMax())) ? $result->getRangeMax() : 0)),
618  "tolerance" => array("float", ((strlen($result->getTolerance())) ? $result->getTolerance() : 0)),
619  "unit_fi" => array("integer", (int)$tmp_result_unit),
620  "formula" => array("clob", $formula),
621  "resprecision" => array("integer", $result->getPrecision()),
622  "rating_simple" => array("integer", ($result->getRatingSimple()) ? 1 : 0),
623  "rating_sign" => array("float", ($result->getRatingSimple()) ? 0 : $result->getRatingSign()),
624  "rating_value" => array("float", ($result->getRatingSimple()) ? 0 : $result->getRatingValue()),
625  "rating_unit" => array("float", ($result->getRatingSimple()) ? 0 : $result->getRatingUnit()),
626  "points" => array("float", $result->getPoints()),
627  "result_type" => array('integer', (int)$result->getResultType()),
628  "range_min_txt" => array("text", $result->getRangeMinTxt()),
629  "range_max_txt" => array("text", $result->getRangeMaxTxt())
630 
631  ));
632  }
633  // save result units
634  $affectedRows = $ilDB->manipulateF("DELETE FROM il_qpl_qst_fq_res_unit WHERE question_fi = %s",
635  array("integer"),
636  array($this->getId())
637  );
638  foreach($this->results as $result)
639  {
640  foreach($this->getResultUnits($result) as $unit)
641  {
642  $next_id = $ilDB->nextId('il_qpl_qst_fq_res_unit');
643  $affectedRows = $ilDB->manipulateF("INSERT INTO il_qpl_qst_fq_res_unit (result_unit_id, question_fi, result, unit_fi) VALUES (%s, %s, %s, %s)",
644  array('integer', 'integer', 'text', 'integer'),
645  array(
646  $next_id,
647  $this->getId(),
648  $result->getResult(),
649  $unit->getId()
650  )
651  );
652  }
653  }
654 
655 
656  // copy category/unit-process:
657  // if $source_qst_id = '' -> nothing to copy because this is a new question
658  // if $source_qst_id == $target_qst_id -> nothing to copy because this is just an update-process
659  // if $source_qst_id != $target_qst_id -> copy categories and untis because this is a copy-process
660  // @todo: Nadia wtf?
661  if($source_qst_id != $target_qst_id && $source_qst_id > 0)
662  {
663  $res = $ilDB->queryF('
664  SELECT * FROM il_qpl_qst_fq_ucat WHERE question_fi = %s',
665  array('integer'), array($source_qst_id));
666 
667  $cp_cats = array();
668  while($row = $ilDB->fetchAssoc($res))
669  {
670  $cp_cats[] = $row['category_id'];
671  }
672 
673  foreach($cp_cats as $old_category_id)
674  {
675  // copy admin-categorie to custom-category (with question_fi)
676  $new_cat_id = $this->unitrepository->copyCategory($old_category_id, $target_qst_id);
677 
678  // copy units to custom_category
679  $this->unitrepository->copyUnitsByCategories($old_category_id, $new_cat_id, $target_qst_id);
680  }
681  }
682  parent::saveToDb();
683  }
684 
689  public function loadFromDb($question_id)
690  {
691  global $ilDB;
692 
693  $result = $ilDB->queryF("SELECT qpl_questions.* FROM qpl_questions WHERE question_id = %s",
694  array('integer'),
695  array($question_id)
696  );
697  if($result->numRows() == 1)
698  {
699  $data = $ilDB->fetchAssoc($result);
700  $this->setId($question_id);
701  $this->setTitle($data["title"]);
702  $this->setComment($data["description"]);
703  $this->setSuggestedSolution($data["solution_hint"]);
704  $this->setOriginalId($data["original_id"]);
705  $this->setObjId($data["obj_fi"]);
706  $this->setAuthor($data["author"]);
707  $this->setOwner($data["owner"]);
708 
709  try
710  {
711  $this->setAdditionalContentEditingMode($data['add_cont_edit_mode']);
712  }
713  catch(ilTestQuestionPoolException $e)
714  {
715  }
716 
717  $this->unitrepository = new ilUnitConfigurationRepository($question_id);
718 
719  include_once("./Services/RTE/classes/class.ilRTE.php");
720  $this->setQuestion(ilRTE::_replaceMediaObjectImageSrc($data["question_text"], 1));
721  $this->setEstimatedWorkingTime(substr($data["working_time"], 0, 2), substr($data["working_time"], 3, 2), substr($data["working_time"], 6, 2));
722 
723  // load variables
724  $result = $ilDB->queryF("SELECT * FROM il_qpl_qst_fq_var WHERE question_fi = %s",
725  array('integer'),
726  array($question_id)
727  );
728  if($result->numRows() > 0)
729  {
730  while($data = $ilDB->fetchAssoc($result))
731  {
732  $varObj = new assFormulaQuestionVariable($data["variable"], $data["range_min"], $data["range_max"], $this->getUnitrepository()->getUnit($data["unit_fi"]), $data["varprecision"], $data["intprecision"]);
733  $varObj->setRangeMinTxt($data['range_min_txt']);
734  $varObj->setRangeMaxTxt($data['range_max_txt']);
735  $this->addVariable($varObj);
736  }
737  }
738  // load results
739  $result = $ilDB->queryF("SELECT * FROM il_qpl_qst_fq_res WHERE question_fi = %s",
740  array('integer'),
741  array($question_id)
742  );
743  if($result->numRows() > 0)
744  {
745  while($data = $ilDB->fetchAssoc($result))
746  {
747  $resObj = new assFormulaQuestionResult($data["result"], $data["range_min"], $data["range_max"], $data["tolerance"], $this->getUnitrepository()->getUnit($data["unit_fi"]), $data["formula"], $data["points"], $data["resprecision"], $data["rating_simple"], $data["rating_sign"], $data["rating_value"], $data["rating_unit"]);
748  $resObj->setResultType($data['result_type']);
749  $resObj->setRangeMinTxt($data['range_min_txt']);
750  $resObj->setRangeMaxTxt($data['range_max_txt']);
751  $this->addResult($resObj);
752  }
753  }
754 
755  // load result units
756  $result = $ilDB->queryF("SELECT * FROM il_qpl_qst_fq_res_unit WHERE question_fi = %s",
757  array('integer'),
758  array($question_id)
759  );
760  if($result->numRows() > 0)
761  {
762  while($data = $ilDB->fetchAssoc($result))
763  {
764  $unit = $this->getUnitrepository()->getUnit($data["unit_fi"]);
765  $resObj = $this->getResult($data["result"]);
766  $this->addResultUnit($resObj, $unit);
767  }
768  }
769  }
770  parent::loadFromDb($question_id);
771  }
772 
777  function duplicate($for_test = true, $title = "", $author = "", $owner = "", $testObjId = null)
778  {
779  if ($this->id <= 0)
780  {
781  // The question has not been saved. It cannot be duplicated
782  return;
783  }
784  // duplicate the question in database
785  $this_id = $this->getId();
786  $thisObjId = $this->getObjId();
787 
788  $clone = $this;
789  include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
790  $original_id = assQuestion::_getOriginalId($this->id);
791  $clone->id = -1;
792 
793  if( (int)$testObjId > 0 )
794  {
795  $clone->setObjId($testObjId);
796  }
797 
798  if ($title)
799  {
800  $clone->setTitle($title);
801  }
802 
803  if ($author)
804  {
805  $clone->setAuthor($author);
806  }
807  if ($owner)
808  {
809  $clone->setOwner($owner);
810  }
811 
812  if ($for_test)
813  {
814  $clone->saveToDb($original_id);
815  }
816  else
817  {
818  $clone->saveToDb();
819  }
820 
821  // copy question page content
822  $clone->copyPageOfQuestion($this_id);
823  // copy XHTML media objects
824  $clone->copyXHTMLMediaObjectsOfQuestion($this_id);
825  $clone->onDuplicate($thisObjId, $this_id, $clone->getObjId(), $clone->getId());
826 
827  return $clone->id;
828  }
829 
834  function copyObject($target_questionpool_id, $title = "")
835  {
836  if ($this->id <= 0)
837  {
838  // The question has not been saved. It cannot be duplicated
839  return;
840  }
841  // duplicate the question in database
842  $clone = $this;
843  include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
844  $original_id = assQuestion::_getOriginalId($this->id);
845  $clone->id = -1;
846  $source_questionpool_id = $this->getObjId();
847  $clone->setObjId($target_questionpool_id);
848  if ($title)
849  {
850  $clone->setTitle($title);
851  }
852  $clone->saveToDb();
853  // copy question page content
854  $clone->copyPageOfQuestion($original_id);
855  // copy XHTML media objects
856  $clone->copyXHTMLMediaObjectsOfQuestion($original_id);
857 
858  $clone->onCopy($source_questionpool_id, $original_id, $clone->getObjId(), $clone->getId());
859 
860  return $clone->id;
861  }
862 
863  public function createNewOriginalFromThisDuplicate($targetParentId, $targetQuestionTitle = "")
864  {
865  if ($this->id <= 0)
866  {
867  // The question has not been saved. It cannot be duplicated
868  return;
869  }
870 
871  include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
872 
873  $sourceQuestionId = $this->id;
874  $sourceParentId = $this->getObjId();
875 
876  // duplicate the question in database
877  $clone = $this;
878  $clone->id = -1;
879 
880  $clone->setObjId($targetParentId);
881 
882  if ($targetQuestionTitle)
883  {
884  $clone->setTitle($targetQuestionTitle);
885  }
886 
887  $clone->saveToDb();
888  // copy question page content
889  $clone->copyPageOfQuestion($sourceQuestionId);
890  // copy XHTML media objects
891  $clone->copyXHTMLMediaObjectsOfQuestion($sourceQuestionId);
892 
893  $clone->onCopy($sourceParentId, $sourceQuestionId, $clone->getObjId(), $clone->getId());
894 
895  return $clone->id;
896  }
897 
902  public function getMaximumPoints()
903  {
904  $points = 0;
905  foreach($this->results as $result)
906  {
907  $points += $result->getPoints();
908  }
909  return $points;
910  }
911 
920  function calculateReachedPoints($active_id, $pass = NULL, $returndetails = false)
921  {
922  if(is_null($pass))
923  {
924  $pass = $this->getSolutionMaxPass($active_id);
925  }
926  $solutions =& $this->getSolutionValues($active_id, $pass);
927  $user_solution = array();
928  foreach($solutions as $idx => $solution_value)
929  {
930  if(preg_match("/^(\\\$v\\d+)$/", $solution_value["value1"], $matches))
931  {
932  $user_solution[$matches[1]] = $solution_value["value2"];
933  $varObj = $this->getVariable($solution_value["value1"]);
934  $varObj->setValue($solution_value["value2"]);
935  }
936  else if(preg_match("/^(\\\$r\\d+)$/", $solution_value["value1"], $matches))
937  {
938  if(!array_key_exists($matches[1], $user_solution)) $user_solution[$matches[1]] = array();
939  $user_solution[$matches[1]]["value"] = $solution_value["value2"];
940  }
941  else if(preg_match("/^(\\\$r\\d+)_unit$/", $solution_value["value1"], $matches))
942  {
943  if(!array_key_exists($matches[1], $user_solution)) $user_solution[$matches[1]] = array();
944  $user_solution[$matches[1]]["unit"] = $solution_value["value2"];
945  }
946  }
947  $points = 0;
948  foreach($this->getResults() as $result)
949  {
950  if( isset($user_solution[$result->getResult()]["value"]) )
951  {
952  $v = $user_solution[$result->getResult()]["value"];
953  }
954  else
955  {
956  $v = null;
957  }
958 
959  if( isset($user_solution[$result->getResult()]["unit"]) )
960  {
961  $u = $user_solution[$result->getResult()]["unit"];
962  }
963  else
964  {
965  $u = null;
966  }
967 
968  $points += $result->getReachedPoints($this->getVariables(), $this->getResults(), $v, $u, $this->unitrepository->getUnits());
969  }
970 
971  return $points;
972  }
973 
981  function saveWorkingData($active_id, $pass = NULL)
982  {
983  global $ilDB;
984 
985  if(is_null($pass))
986  {
987  include_once "./Modules/Test/classes/class.ilObjTest.php";
988  $pass = ilObjTest::_getPass($active_id);
989  }
990 
991  $this->getProcessLocker()->requestUserSolutionUpdateLock();
992 
993  $entered_values = FALSE;
994  foreach($_POST as $key => $value)
995  {
996  if(preg_match("/^result_(\\\$r\\d+)$/", $key, $matches))
997  {
998  if(strlen($value)) $entered_values = TRUE;
999  $result = $ilDB->queryF("SELECT solution_id FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s AND " . $ilDB->like('value1', 'clob', $matches[1]),
1000  array('integer', 'integer', 'integer'),
1001  array($active_id, $pass, $this->getId())
1002  );
1003  if($result->numRows())
1004  {
1005  while($row = $ilDB->fetchAssoc($result))
1006  {
1007  $affectedRows = $ilDB->manipulateF("DELETE FROM tst_solutions WHERE solution_id = %s",
1008  array('integer'),
1009  array($row['solution_id'])
1010  );
1011  }
1012  }
1013 
1014  $next_id = $ilDB->nextId('tst_solutions');
1015  $affectedRows = $ilDB->insert("tst_solutions", array(
1016  "solution_id" => array("integer", $next_id),
1017  "active_fi" => array("integer", $active_id),
1018  "question_fi" => array("integer", $this->getId()),
1019  "value1" => array("clob", $matches[1]),
1020  "value2" => array("clob", str_replace(",", ".", $value)),
1021  "pass" => array("integer", $pass),
1022  "tstamp" => array("integer", time())
1023  ));
1024  }
1025  else if(preg_match("/^result_(\\\$r\\d+)_unit$/", $key, $matches))
1026  {
1027  $result = $ilDB->queryF("SELECT solution_id FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s AND " . $ilDB->like('value1', 'clob', $matches[1] . "_unit"),
1028  array('integer', 'integer', 'integer'),
1029  array($active_id, $pass, $this->getId())
1030  );
1031  if($result->numRows())
1032  {
1033  while($row = $ilDB->fetchAssoc($result))
1034  {
1035  $affectedRows = $ilDB->manipulateF("DELETE FROM tst_solutions WHERE solution_id = %s",
1036  array('integer'),
1037  array($row['solution_id'])
1038  );
1039  }
1040  }
1041 
1042  $next_id = $ilDB->nextId('tst_solutions');
1043  $affectedRows = $ilDB->insert("tst_solutions", array(
1044  "solution_id" => array("integer", $next_id),
1045  "active_fi" => array("integer", $active_id),
1046  "question_fi" => array("integer", $this->getId()),
1047  "value1" => array("clob", $matches[1] . "_unit"),
1048  "value2" => array("clob", $value),
1049  "pass" => array("integer", $pass),
1050  "tstamp" => array("integer", time())
1051  ));
1052  }
1053  }
1054 
1055  $this->getProcessLocker()->releaseUserSolutionUpdateLock();
1056 
1057  if($entered_values)
1058  {
1059  include_once ("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
1060  if(ilObjAssessmentFolder::_enabledAssessmentLogging())
1061  {
1062  $this->logAction($this->lng->txtlng("assessment", "log_user_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
1063  }
1064  }
1065  else
1066  {
1067  include_once ("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
1068  if(ilObjAssessmentFolder::_enabledAssessmentLogging())
1069  {
1070  $this->logAction($this->lng->txtlng("assessment", "log_user_not_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
1071  }
1072  }
1073 
1074  return true;
1075  }
1076 
1086  protected function reworkWorkingData($active_id, $pass, $obligationsAnswered)
1087  {
1088  // nothing to do
1089  }
1090 
1095  public function getQuestionType()
1096  {
1097  return "assFormulaQuestion";
1098  }
1099 
1104  public function getAdditionalTableName()
1105  {
1106  return "";
1107  }
1108 
1113  public function getAnswerTableName()
1114  {
1115  return "";
1116  }
1117 
1123  function deleteAnswers($question_id)
1124  {
1125  global $ilDB;
1126 
1127  $affectedRows = $ilDB->manipulateF("DELETE FROM il_qpl_qst_fq_var WHERE question_fi = %s",
1128  array('integer'),
1129  array($question_id)
1130  );
1131 
1132  $affectedRows = $ilDB->manipulateF("DELETE FROM il_qpl_qst_fq_res WHERE question_fi = %s",
1133  array('integer'),
1134  array($question_id)
1135  );
1136 
1137  $affectedRows = $ilDB->manipulateF("DELETE FROM il_qpl_qst_fq_res_unit WHERE question_fi = %s",
1138  array('integer'),
1139  array($question_id)
1140  );
1141  }
1142 
1147  function getRTETextWithMediaObjects()
1148  {
1149  $text = parent::getRTETextWithMediaObjects();
1150  return $text;
1151  }
1152 
1164  public function setExportDetailsXLS(&$worksheet, $startrow, $active_id, $pass, &$format_title, &$format_bold)
1165  {
1166  require_once 'Services/Excel/classes/class.ilExcelUtils.php';
1167  $solution = $this->getSolutionValues($active_id, $pass);
1168  $worksheet->writeString($startrow, 0, ilExcelUtils::_convert_text($this->lng->txt($this->getQuestionType())), $format_title);
1169  $worksheet->writeString($startrow, 1, ilExcelUtils::_convert_text($this->getTitle()), $format_title);
1170  $i = 1;
1171  foreach($solution as $solutionvalue)
1172  {
1173  $worksheet->writeString($startrow + $i, 0, ilExcelUtils::_convert_text($solutionvalue["value1"]), $format_bold);
1174  if(strpos($solutionvalue["value1"], "_unit"))
1175  {
1176  $unit = $this->getUnitrepository()->getUnit($solutionvalue["value2"]);
1177  if(is_object($unit))
1178  {
1179  $worksheet->write($startrow + $i, 1, $unit->getUnit());
1180  }
1181  }
1182  else
1183  {
1184  $worksheet->write($startrow + $i, 1, $solutionvalue["value2"]);
1185  }
1186  if(preg_match("/(\\\$v\\d+)/", $solutionvalue["value1"], $matches))
1187  {
1188  $var = $this->getVariable($solutionvalue["value1"]);
1189  if(is_object($var) && (is_object($var->getUnit())))
1190  {
1191  $worksheet->write($startrow + $i, 2, $var->getUnit()->getUnit());
1192  }
1193  }
1194  $i++;
1195  }
1196  return $startrow + $i + 1;
1197  }
1198 
1204  public function getBestSolution($active_id, $pass)
1205  {
1206  $user_solution = array();
1207  $user_solution["active_id"] = $active_id;
1208  $user_solution["pass"] = $pass;
1209  $solutions =& $this->getSolutionValues($active_id, $pass);
1210 
1211  foreach($solutions as $idx => $solution_value)
1212  {
1213  if(preg_match("/^(\\\$v\\d+)$/", $solution_value["value1"], $matches))
1214  {
1215  $user_solution[$matches[1]] = $solution_value["value2"];
1216  $varObj = $this->getVariable($matches[1]);
1217  $varObj->setValue($solution_value["value2"]);
1218  }
1219  else if(preg_match("/^(\\\$r\\d+)$/", $solution_value["value1"], $matches))
1220  {
1221  if(!array_key_exists($matches[1], $user_solution)) $user_solution[$matches[1]] = array();
1222  $user_solution[$matches[1]]["value"] = $solution_value["value2"];
1223  }
1224  else if(preg_match("/^(\\\$r\\d+)_unit$/", $solution_value["value1"], $matches))
1225  {
1226  if(!array_key_exists($matches[1], $user_solution)) $user_solution[$matches[1]] = array();
1227  $user_solution[$matches[1]]["unit"] = $solution_value["value2"];
1228  }
1229  }
1230  foreach($this->getResults() as $result)
1231  {
1232  $resVal = $result->calculateFormula($this->getVariables(), $this->getResults(), parent::getId(), false);
1233 
1234  if(is_object($result->getUnit()))
1235  {
1236  $user_solution[$result->getResult()]["unit"] = $result->getUnit()->getId();
1237  $user_solution[$result->getResult()]["value"] = $resVal;
1238  }
1239  else if($result->getUnit() == NULL)
1240  {
1241  $unit_factor = 1;
1242  // there is no fix result_unit, any "available unit" is accepted
1243 
1244  $available_units = $result->getAvailableResultUnits(parent::getId());
1245  $result_name = $result->getResult();
1246 
1247  if($available_units[$result_name] != NULL)
1248  {
1249  $check_unit = in_array($user_solution[$result_name]['unit'], $available_units[$result_name]);
1250  }
1251 
1252  if($check_unit == true)
1253  {
1254  //get unit-factor
1255  $unit_factor = assFormulaQuestionUnit::lookupUnitFactor($user_solution[$result_name]['unit']);
1256  $user_solution[$result->getResult()]["value"] = round(ilMath::_div($resVal, $unit_factor), 55);
1257  }
1258  }
1259  if($result->getResultType() == assFormulaQuestionResult::RESULT_CO_FRAC
1260  || $result->getResultType() == assFormulaQuestionResult::RESULT_FRAC)
1261  {
1262  $value = assFormulaQuestionResult::convertDecimalToCoprimeFraction($resVal);
1263  if(is_array($value))
1264  {
1265  $user_solution[$result->getResult()]["value"] = $value[0];
1266  $user_solution[$result->getResult()]["frac_helper"] = $value[1];
1267  }
1268  else
1269  {
1270  $user_solution[$result->getResult()]["value"] = $value;
1271  $user_solution[$result->getResult()]["frac_helper"] = null;
1272  }
1273  }
1274  else
1275  {
1276  if($result->getPrecision() > 0)
1277  {
1278  $user_solution[$result->getResult()]["value"] = round($resVal, $result->getPrecision());
1279  }
1280  }
1281  }
1282  return $user_solution;
1283  }
1284 
1285  public function setId($id = -1)
1286  {
1287  parent::setId($id);
1288  $this->unitrepository->setConsumerId($this->getId());
1289  }
1290 
1294  public function __get($value)
1295  {
1296  switch($value)
1297  {
1298  case "resultunits":
1299  return $this->resultunits;
1300  break;
1301  default:
1302  return parent::__get($value);
1303  break;
1304  }
1305  }
1306 
1310  public function setUnitrepository($unitrepository)
1311  {
1312  $this->unitrepository = $unitrepository;
1313  }
1314 
1318  public function getUnitrepository()
1319  {
1320  return $this->unitrepository;
1321  }
1322 }
assFormulaQuestion\addResultUnits
addResultUnits($result, $unit_ids)
Definition: class.assFormulaQuestion.php:103
assQuestion\getId
getId()
Gets the id of the assQuestion object.
Definition: class.assQuestion.php:525
ilUtil\prepareFormOutput
static prepareFormOutput($a_str, $a_strip=false)
prepares string output for html forms public
Definition: class.ilUtil.php:3141
assQuestion\_getOriginalId
static _getOriginalId($question_id)
Returns the original id of a question.
Definition: class.assQuestion.php:2707
assQuestion\setSuggestedSolution
setSuggestedSolution($solution_id="", $subquestion_index=0, $is_import=false)
Sets a suggested solution for the question.
Definition: class.assQuestion.php:2381
$_POST
$_POST['username']
Definition: cron.php:12
$result
$result
Definition: CleanUpTest.php:407
assFormulaQuestion\saveToDb
saveToDb($original_id="")
Saves a assFormulaQuestion object to a database public.
Definition: class.assFormulaQuestion.php:558
assFormulaQuestion\duplicate
duplicate($for_test=true, $title="", $author="", $owner="", $testObjId=null)
Duplicates an assFormulaQuestion public.
Definition: class.assFormulaQuestion.php:777
assQuestion\getSolutionValues
& getSolutionValues($active_id, $pass=NULL)
Loads solutions of a given user from the database an returns it.
Definition: class.assQuestion.php:1470
assQuestion
Abstract basic class which is to be extended by the concrete assessment question type classes...
Definition: class.assQuestion.php:20
ilObjTest\_getPass
_getPass($active_id)
Retrieves the actual pass of a given user for a given test.
Definition: class.ilObjTest.php:7818
ilExcelUtils\_convert_text
_convert_text($a_text, $a_target="has been removed")
Definition: class.ilExcelUtils.php:14
assFormulaQuestion\getAdditionalTableName
getAdditionalTableName()
Returns the name of the additional question data table in the database.
Definition: class.assFormulaQuestion.php:1104
ilUnitConfigurationRepository
Class ilUnitConfigurationRepository.
Definition: class.ilUnitConfigurationRepository.php:10
assQuestion\getSolutionMaxPass
getSolutionMaxPass($active_id)
Returns the maximum pass a users question solution.
Definition: class.assQuestion.php:2918
ilMath\_div
static _div($left_operand, $right_operand, $scale=50)
Definition: class.ilMath.php:84
assFormulaQuestion
Class for single choice questions assFormulaQuestion is a class for single choice questions...
Definition: class.assFormulaQuestion.php:17
assQuestion\setEstimatedWorkingTime
setEstimatedWorkingTime($hour=0, $min=0, $sec=0)
Sets the estimated working time of a question.
Definition: class.assQuestion.php:451
assFormulaQuestion\getAnswerTableName
getAnswerTableName()
Returns the name of the answer table in the database.
Definition: class.assFormulaQuestion.php:1113
assFormulaQuestion\getRTETextWithMediaObjects
getRTETextWithMediaObjects()
Collects all text in the question which could contain media objects which were created with the Rich ...
Definition: class.assFormulaQuestion.php:1147
ilObjAssessmentFolder\_enabledAssessmentLogging
_enabledAssessmentLogging()
check wether assessment logging is enabled or not
Definition: class.ilObjAssessmentFolder.php:191
assFormulaQuestion\saveWorkingData
saveWorkingData($active_id, $pass=NULL)
Saves the learners input of the question to the database.
Definition: class.assFormulaQuestion.php:981
assQuestion\setAdditionalContentEditingMode
setAdditionalContentEditingMode($additinalContentEditingMode)
setter for additional content editing mode for this question
Definition: class.assQuestion.php:4133
assQuestion\getObjId
getObjId()
Get the object id of the container object.
Definition: class.assQuestion.php:646
assFormulaQuestion\__construct
__construct( $title="", $comment="", $author="", $owner=-1, $question="")
assFormulaQuestion constructor The constructor takes possible arguments an creates an instance of the...
Definition: class.assFormulaQuestion.php:39
ilDB\fetchAssoc
fetchAssoc($a_set)
Fetch row as associative array from result set.
Definition: class.ilDB.php:1772
assQuestion\setAuthor
setAuthor($author="")
Sets the authors name of the assQuestion object.
Definition: class.assQuestion.php:485
assFormulaQuestion\setExportDetailsXLS
setExportDetailsXLS(&$worksheet, $startrow, $active_id, $pass, &$format_title, &$format_bold)
Creates an Excel worksheet for the detailed cumulated results of this question.
Definition: class.assFormulaQuestion.php:1164
ilUtil\getImagePath
static getImagePath($img, $module_path="", $mode="output", $offline=false)
get image path (for images located in a template directory)
Definition: class.ilUtil.php:107
assFormulaQuestion\deleteAnswers
deleteAnswers($question_id)
Deletes datasets from answers tables.
Definition: class.assFormulaQuestion.php:1123
assFormulaQuestion\__get
__get($value)
Object getter.
Definition: class.assFormulaQuestion.php:1294
ilTemplate
special template class to simplify handling of ITX/PEAR
Definition: class.ilTemplate.php:11
assFormulaQuestion\loadFromDb
loadFromDb($question_id)
Loads a assFormulaQuestion object from a database.
Definition: class.assFormulaQuestion.php:689
assQuestion\getQuestion
getQuestion()
Gets the question string of the question object.
Definition: class.assQuestion.php:3307
assFormulaQuestion\canUseAdvancedRating
canUseAdvancedRating($result)
Check if advanced rating can be used for a result.
Definition: class.assFormulaQuestion.php:509
assFormulaQuestion\calculateReachedPoints
calculateReachedPoints($active_id, $pass=NULL, $returndetails=false)
Returns the points, a learner has reached answering the question The points are calculated from the g...
Definition: class.assFormulaQuestion.php:920
assFormulaQuestion\createNewOriginalFromThisDuplicate
createNewOriginalFromThisDuplicate($targetParentId, $targetQuestionTitle="")
Definition: class.assFormulaQuestion.php:863
ilObjAssessmentFolder\_getLogLanguage
_getLogLanguage()
retrieve the log language for assessment logging
Definition: class.ilObjAssessmentFolder.php:236
assFormulaQuestion\copyObject
copyObject($target_questionpool_id, $title="")
Copies an assFormulaQuestion object public.
Definition: class.assFormulaQuestion.php:834
assQuestion\saveQuestionDataToDb
saveQuestionDataToDb($original_id="")
Definition: class.assQuestion.php:2182
ilRTE\_replaceMediaObjectImageSrc
static _replaceMediaObjectImageSrc($a_text, $a_direction=0)
replaces image source from mob image urls with the mob id or replaces mob id with the correct image s...
Definition: class.ilRTE.php:230
assFormulaQuestion\substituteVariables
substituteVariables($userdata=null, $graphicalOutput=FALSE, $forsolution=FALSE, $result_output=FALSE)
Definition: class.assFormulaQuestion.php:192
$data
while($lm_rec=$ilDB->fetchAssoc($lm_set)) $data
Definition: storeScorm2004.php:35
assFormulaQuestion\getQuestionType
getQuestionType()
Returns the question type of the question.
Definition: class.assFormulaQuestion.php:1095
assFormulaQuestion\getBestSolution
getBestSolution($active_id, $pass)
Returns the best solution for a given pass of a participant.
Definition: class.assFormulaQuestion.php:1204
assQuestion\setQuestion
setQuestion($question="")
Sets the question string of the question object.
Definition: class.assQuestion.php:3319
assFormulaQuestion\isComplete
isComplete()
Returns true, if the question is complete for use.
Definition: class.assFormulaQuestion.php:542
assFormulaQuestion\reworkWorkingData
reworkWorkingData($active_id, $pass, $obligationsAnswered)
Reworks the allready saved working data if neccessary.
Definition: class.assFormulaQuestion.php:1086
assQuestion\setOriginalId
setOriginalId($original_id)
Definition: class.assQuestion.php:2070
assQuestion\logAction
logAction($logtext="", $active_id="", $question_id="")
Logs an action into the Test&Assessment log.
Definition: class.assQuestion.php:1293
assQuestion\getTitle
getTitle()
Gets the title string of the assQuestion object.
Definition: class.assQuestion.php:513
assFormulaQuestion\hasResultUnit
hasResultUnit($result, $unit_id)
Definition: class.assFormulaQuestion.php:138
assQuestion\setTitle
setTitle($title="")
Sets the title string of the assQuestion object.
Definition: class.assQuestion.php:369
assQuestion\setObjId
setObjId($obj_id=0)
Set the object id of the container object.
Definition: class.assQuestion.php:658
assFormulaQuestion\setUnitrepository
setUnitrepository($unitrepository)
Definition: class.assFormulaQuestion.php:1310
assQuestion\setComment
setComment($comment="")
Sets the comment string of the assQuestion object.
Definition: class.assQuestion.php:405
assFormulaQuestionResult\convertDecimalToCoprimeFraction
static convertDecimalToCoprimeFraction($decimal_value, $tolerance=1.e-9)
Definition: class.assFormulaQuestionResult.php:948
assFormulaQuestion\getMaximumPoints
getMaximumPoints()
Returns the maximum points, a learner can reach answering the question.
Definition: class.assFormulaQuestion.php:902
assQuestion\setOwner
setOwner($owner="")
Sets the creator/owner ID of the assQuestion object.
Definition: class.assQuestion.php:501