ILIAS  release_5-4 Revision v5.4.26-12-gabc799a52e6
class.assFormulaQuestionGUI.php
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1<?php
2/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
3
4include_once "./Modules/TestQuestionPool/classes/class.assQuestionGUI.php";
5include_once "./Modules/TestQuestionPool/classes/class.assFormulaQuestion.php";
6include_once "./Modules/TestQuestionPool/classes/class.assFormulaQuestionResult.php";
7include_once "./Modules/TestQuestionPool/classes/class.assFormulaQuestionVariable.php";
8include_once "./Modules/TestQuestionPool/classes/class.assFormulaQuestionUnit.php";
9include_once "./Modules/TestQuestionPool/classes/class.assFormulaQuestionUnitCategory.php";
10include_once "./Modules/Test/classes/inc.AssessmentConstants.php";
11require_once './Modules/TestQuestionPool/interfaces/interface.ilGuiAnswerScoringAdjustable.php';
12
23{
30 public function __construct($id = -1)
31 {
32 parent::__construct();
33 $this->object = new assFormulaQuestion();
34 $this->newUnitId = null;
35 if ($id >= 0) {
36 $this->object->loadFromDb($id);
37 }
38 }
39
45 public function setQuestionTabs()
46 {
47 global $DIC;
48 $rbacsystem = $DIC['rbacsystem'];
49 $ilTabs = $DIC['ilTabs'];
50
51 $ilTabs->clearTargets();
52
53 $this->ctrl->setParameterByClass("ilAssQuestionPageGUI", "q_id", $_GET["q_id"]);
54 include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
55 $q_type = $this->object->getQuestionType();
56
57 if (strlen($q_type)) {
58 $classname = $q_type . "GUI";
59 $this->ctrl->setParameterByClass(strtolower($classname), "sel_question_types", $q_type);
60 $this->ctrl->setParameterByClass(strtolower($classname), "q_id", $_GET["q_id"]);
61 }
62
63 if ($_GET["q_id"]) {
64 if ($rbacsystem->checkAccess('write', $_GET["ref_id"])) {
65 // edit page
66 $ilTabs->addTarget(
67 "edit_page",
68 $this->ctrl->getLinkTargetByClass("ilAssQuestionPageGUI", "edit"),
69 array("edit", "insert", "exec_pg"),
70 "",
71 "",
72 $force_active
73 );
74 }
75
76 $this->addTab_QuestionPreview($ilTabs);
77 }
78
79 $force_active = false;
80 if ($rbacsystem->checkAccess('write', $_GET["ref_id"])) {
81 $url = "";
82
83 if ($classname) {
84 $url = $this->ctrl->getLinkTargetByClass($classname, "editQuestion");
85 }
86 $commands = $_POST["cmd"];
87 if (is_array($commands)) {
88 foreach ($commands as $key => $value) {
89 if (preg_match("/^suggestrange_.*/", $key, $matches)) {
90 $force_active = true;
91 }
92 }
93 }
94 // edit question properties
95 $ilTabs->addTarget(
96 "edit_question",
97 $url,
98 array(
99 "editQuestion", "save", "cancel", "addSuggestedSolution",
100 "cancelExplorer", "linkChilds", "removeSuggestedSolution",
101 "parseQuestion", "saveEdit", "suggestRange"
102 ),
103 $classname,
104 "",
105 $force_active
106 );
107 }
108
109 if ($_GET["q_id"]) {
110 // add tab for question feedback within common class assQuestionGUI
111 $this->addTab_QuestionFeedback($ilTabs);
112 }
113
114 if ($_GET["q_id"]) {
115 // add tab for question hint within common class assQuestionGUI
116 $this->addTab_QuestionHints($ilTabs);
117 }
118
119 // Unit editor
120 if ($_GET['q_id']) {
121 // add tab for question hint within common class assQuestionGUI
122 $this->addTab_Units($ilTabs);
123 }
124
125 // Assessment of questions sub menu entry
126 if ($_GET["q_id"]) {
127 $ilTabs->addTarget(
128 "statistics",
129 $this->ctrl->getLinkTargetByClass($classname, "assessment"),
130 array("assessment"),
131 $classname,
132 ""
133 );
134 }
135
136 $this->addBackTab($ilTabs);
137 }
138
139 public function getCommand($cmd)
140 {
141 if (preg_match("/suggestrange_(.*?)/", $cmd, $matches)) {
142 $cmd = "suggestRange";
143 }
144 return $cmd;
145 }
146
151 public function suggestRange()
152 {
153 if ($this->writePostData()) {
155 }
156 $this->editQuestion();
157 }
158
162 protected function writePostData($always = false)
163 {
164 $hasErrors = (!$always) ? $this->editQuestion(true) : false;
165 $checked = true;
166 if (!$hasErrors) {
167 $this->object->setTitle($_POST["title"]);
168 $this->object->setAuthor($_POST["author"]);
169 $this->object->setComment($_POST["comment"]);
170 include_once "./Services/AdvancedEditing/classes/class.ilObjAdvancedEditing.php";
171 $questiontext = ilUtil::stripOnlySlashes($_POST["question"]);
172 $this->object->setQuestion($questiontext);
173 $this->object->setEstimatedWorkingTime(
174 $_POST["Estimated"]["hh"],
175 $_POST["Estimated"]["mm"],
176 $_POST["Estimated"]["ss"]
177 );
178
179 $this->object->parseQuestionText();
180 $found_vars = array();
181 $found_results = array();
182
183
184 foreach ($_POST as $key => $value) {
185 if (preg_match("/^unit_(\\\$v\d+)$/", $key, $matches)) {
186 array_push($found_vars, $matches[1]);
187 }
188 if (preg_match("/^unit_(\\\$r\d+)$/", $key, $matches)) {
189 array_push($found_results, $matches[1]);
190 }
191 }
192
193 // if(!$this->object->checkForDuplicateVariables())
194 // {
195//
196 // $this->addErrorMessage($this->lng->txt("err_duplicate_variables"));
197 // $checked = FALSE;
198 // }
199 if (!$this->object->checkForDuplicateResults()) {
200 $this->addErrorMessage($this->lng->txt("err_duplicate_results"));
201 $checked = false;
202 }
203
204 foreach ($found_vars as $variable) {
205 if ($this->object->getVariable($variable) != null) {
206 $varObj = new assFormulaQuestionVariable($variable, $_POST["range_min_$variable"], $_POST["range_max_$variable"], $this->object->getUnitrepository()->getUnit($_POST["unit_$variable"]), $_POST["precision_$variable"], $_POST["intprecision_$variable"]);
207 $varObj->setRangeMinTxt($_POST["range_min_$variable"]);
208 $varObj->setRangeMaxTxt($_POST["range_max_$variable"]);
209 $this->object->addVariable($varObj);
210 }
211 }
212
213 $tmp_form_vars = array();
214 $tmp_quest_vars = array();
215 foreach ($found_results as $result) {
216 $tmp_res_match = preg_match_all("/([$][v][0-9]*)/", $_POST["formula_$result"], $form_vars);
217 $tmp_form_vars = array_merge($tmp_form_vars, $form_vars[0]);
218
219 $tmp_que_match = preg_match_all("/([$][v][0-9]*)/", $_POST['question'], $quest_vars);
220 $tmp_quest_vars = array_merge($tmp_quest_vars, $quest_vars[0]);
221 }
222 $result_has_undefined_vars = array_diff($tmp_form_vars, $found_vars);
223 $question_has_unused_vars = array_diff($tmp_quest_vars, $tmp_form_vars);
224
225 if (count($result_has_undefined_vars) > 0 || count($question_has_unused_vars) > 0) {
226 $error_message = '';
227 if (count($result_has_undefined_vars) > 0) {
228 $error_message .= $this->lng->txt("res_contains_undef_var") . '<br>';
229 }
230 if (count($question_has_unused_vars) > 0) {
231 $error_message .= $this->lng->txt("que_contains_unused_var");
232 }
233 $checked = false;
234 if ($this->isSaveCommand()) {
235 ilUtil::sendFailure($error_message);
236 }
237 }
238 foreach ($found_results as $result) {
239 if (is_object($this->object->getUnitrepository()->getUnit($_POST["unit_$result"]))) {
240 $tmp_result_unit = $this->object->getUnitrepository()->getUnit($_POST["unit_$result"]);
241 } else {
242 $tmp_result_unit = null;
243 }
244
245 if ($this->object->getResult($result) != null) {
246 $use_simple_rating = ($_POST["rating_advanced_$result"] == 1) ? false : true;
247 $resObj = new assFormulaQuestionResult(
248 $result,
249 $_POST["range_min_$result"],
250 $_POST["range_max_$result"],
251 $_POST["tolerance_$result"],
252 $tmp_result_unit,
253 $_POST["formula_$result"],
254 $_POST["points_$result"],
255 $_POST["precision_$result"],
256 $use_simple_rating,
257 ($_POST["rating_advanced_$result"] == 1) ? $_POST["rating_sign_$result"] : "",
258 ($_POST["rating_advanced_$result"] == 1) ? $_POST["rating_value_$result"] : "",
259 ($_POST["rating_advanced_$result"] == 1) ? $_POST["rating_unit_$result"] : "",
260 $_POST["result_type_$result"] != 0 ? $_POST["result_type_$result"] : 0
261 );
262 $resObj->setRangeMinTxt($_POST["range_min_$result"]);
263 $resObj->setRangeMaxTxt($_POST["range_max_$result"]);
264 $this->object->addResult($resObj);
265 $this->object->addResultUnits($resObj, $_POST["units_$result"]);
266 }
267 }
268 if ($checked == false) {
269 return 1;
270 } else {
272 return 0;
273 }
274 } else {
275 return 1;
276 }
277 }
278
279 public function resetSavedPreviewSession()
280 {
281 global $DIC;
282 $ilUser = $DIC['ilUser'];
283 $user_id = $ilUser->getId();
284 $question_id = $this->object->getId();
285 require_once 'Modules/TestQuestionPool/classes/class.ilAssQuestionPreviewSession.php';
286 $ilAssQuestionPreviewSession = new ilAssQuestionPreviewSession($user_id, $question_id);
287 $ilAssQuestionPreviewSession->setParticipantsSolution(array());
288 }
289
290 public function isSaveCommand()
291 {
292 return in_array($this->ctrl->getCmd(), array('saveFQ', 'saveEdit', 'saveReturnFQ'));
293 }
294
300 public function editQuestion($checkonly = false)
301 {
302 $save = $this->isSaveCommand();
303
304 $this->getQuestionTemplate();
305
306 include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
307 $form = new ilPropertyFormGUI();
308 $this->editForm = $form;
309
310 $form->setFormAction($this->ctrl->getFormAction($this));
311 $form->setTitle($this->outQuestionType());
312 $form->setMultipart(false);
313 $form->setTableWidth('100%');
314 $form->setId('assformulaquestion');
315
316 // title, author, description, question, working time (assessment mode)
318
319 // Add info text
320 $question = $form->getItemByPostVar('question');
321 $question->setInfo($this->lng->txt('fq_question_desc'));
322
323 $variables = $this->object->getVariables();
324 $categorized_units = $this->object->getUnitrepository()->getCategorizedUnits();
325 $result_units = $this->object->__get('resultunits');
326
327 $unit_options = array();
328 $category_name = '';
329 $new_category = false;
330 foreach ((array) $categorized_units as $item) {
334 if ($item instanceof assFormulaQuestionUnitCategory) {
335 if ($category_name != $item->getDisplayString()) {
336 $new_category = true;
337 $category_name = $item->getDisplayString();
338 }
339 continue;
340 }
341 $unit_options[$item->getId()] = $item->getDisplayString() . ($new_category ? ' (' . $category_name . ')' : '');
342 $new_category = false;
343 }
344
345 if (count($variables)) {
346 uasort($variables, function (assFormulaQuestionVariable $v1, assFormulaQuestionVariable $v2) {
347 $num_v1 = (int) substr($v1->getVariable(), 2);
348 $num_v2 = (int) substr($v2->getVariable(), 2);
349 if ($num_v1 > $num_v2) {
350 return 1;
351 } elseif ($num_v1 < $num_v2) {
352 return -1;
353 }
354
355 return 0;
356 });
357
358 foreach ($variables as $variable) {
362 $variable_header = new ilFormSectionHeaderGUI();
363 $variable_header->setTitle(sprintf($this->lng->txt('variable_x'), $variable->getVariable()));
364
365 $range_min = new ilNumberInputGUI($this->lng->txt('range_min'), 'range_min_' . $variable->getVariable());
366 $range_min->allowDecimals(true);
367 $range_min->setSize(3);
368 $range_min->setRequired(true);
369 $range_min->setValue($variable->getRangeMin());
370
371 $range_max = new ilNumberInputGUI($this->lng->txt('range_max'), 'range_max_' . $variable->getVariable());
372 $range_max->allowDecimals(true);
373 $range_max->setSize(3);
374 $range_max->setRequired(true);
375 $range_max->setValue($variable->getRangeMax());
376
377 $units = new ilSelectInputGUI($this->lng->txt('unit'), 'unit_' . $variable->getVariable());
378 $units->setOptions(array(0 => $this->lng->txt('no_selection')) + $unit_options);
379 if (is_object($variable->getUnit())) {
380 $units->setValue($variable->getUnit()->getId());
381 }
382
383 $precision = new ilNumberInputGUI($this->lng->txt('precision'), 'precision_' . $variable->getVariable());
384 $precision->setRequired(true);
385 $precision->setSize(3);
386 $precision->setMinValue(0);
387 $precision->setValue($variable->getPrecision());
388 $precision->setInfo($this->lng->txt('fq_precision_info'));
389
390 $intprecision = new ilNumberInputGUI($this->lng->txt('intprecision'), 'intprecision_' . $variable->getVariable());
391 $intprecision->setSize(3);
392 $intprecision->setMinValue(1);
393 $intprecision->setValue($variable->getIntprecision());
394 $intprecision->setInfo($this->lng->txt('intprecision_info'));
395
396 $form->addItem($variable_header);
397 $form->addItem($range_min);
398 $form->addItem($range_max);
399 $form->addItem($units);
400 $form->addItem($precision);
401 $form->addItem($intprecision);
402 }
403 }
404
405 $results = $this->object->getResults();
406 if (count($results)) {
407 require_once 'Services/Form/classes/class.ilMultiSelectInputGUI.php';
408
410 $num_r1 = (int) substr($r1->getResult(), 2);
411 $num_r2 = (int) substr($r2->getResult(), 2);
412 if ($num_r1 > $num_r2) {
413 return 1;
414 } elseif ($num_r1 < $num_r2) {
415 return -1;
416 }
417
418 return 0;
419 });
420
421 foreach ($results as $result) {
425 $result_header = new ilFormSectionHeaderGUI();
426 $result_header->setTitle(sprintf($this->lng->txt('result_x'), $result->getResult()));
427
428 $formula = new ilTextInputGUI($this->lng->txt('formula'), 'formula_' . $result->getResult());
429 $formula->setInfo($this->lng->txt('fq_formula_desc'));
430 $formula->setRequired(true);
431 $formula->setSize(50);
432 $formula->setValue($result->getFormula());
433 $formula->setSuffix(' = ' . $result->getResult());
434
435 if (
436 preg_match("/suggestrange_(.*)/", $this->ctrl->getCmd(), $matches) &&
437 strcmp($matches[1], $result->getResult()) == 0
438 ) {
439 // suggest a range for the result
440 if (strlen($result->substituteFormula($variables, $results))) {
441 $result->suggestRange($variables, $results);
442 }
443 }
444
445 $range_min = new ilNumberInputGUI($this->lng->txt('range_min'), 'range_min_' . $result->getResult());
446 $range_min->allowDecimals(true);
447 $range_min->setSize(3);
448 $range_min->setRequired(true);
449 $range_min->setValue($result->getRangeMin());
450
451 $range_max = new ilNumberInputGUI($this->lng->txt('range_max'), 'range_max_' . $result->getResult());
452 $range_max->allowDecimals(true);
453 $range_max->setSize(3);
454 $range_max->setRequired(true);
455 $range_max->setValue($result->getRangeMax());
456
457 $matches = array();
458
459 $precision = new ilNumberInputGUI($this->lng->txt('precision'), 'precision_' . $result->getResult());
460 $precision->setRequired(true);
461 $precision->setSize(3);
462 $precision->setMinValue(0);
463 $precision->setInfo($this->lng->txt('fq_precision_info'));
464 $precision->setValue($result->getPrecision());
465
466 $tolerance = new ilNumberInputGUI($this->lng->txt('tolerance'), 'tolerance_' . $result->getResult());
467 $tolerance->setSize(3);
468 $tolerance->setMinValue(0);
469 $tolerance->setMaxValue(100);
470 $tolerance->allowDecimals(true);
471 $tolerance->setInfo($this->lng->txt('tolerance_info'));
472 $tolerance->setValue($result->getTolerance());
473
474 $suggest_range_button = new ilCustomInputGUI('', '');
475 $suggest_range_button->setHtml('<input type="submit" class="btn btn-default" name="cmd[suggestrange_' . $result->getResult() . ']" value="' . $this->lng->txt("suggest_range") . '" />');
476
477 $sel_result_units = new ilSelectInputGUI($this->lng->txt('unit'), 'unit_' . $result->getResult());
478 $sel_result_units->setOptions(array(0 => $this->lng->txt('no_selection')) + $unit_options);
479 $sel_result_units->setInfo($this->lng->txt('result_unit_info'));
480 if (is_object($result->getUnit())) {
481 $sel_result_units->setValue($result->getUnit()->getId());
482 }
483
484 $mc_result_units = new ilMultiSelectInputGUI($this->lng->txt('result_units'), 'units_' . $result->getResult());
485 $mc_result_units->setOptions($unit_options);
486 $mc_result_units->setInfo($this->lng->txt('result_units_info'));
487 $selectedvalues = array();
488 foreach ($unit_options as $unit_id => $txt) {
489 if ($this->hasResultUnit($result, $unit_id, $result_units)) {
490 $selectedvalues[] = $unit_id;
491 }
492 }
493 $mc_result_units->setValue($selectedvalues);
494
495 $result_type = new ilRadioGroupInputGUI($this->lng->txt('result_type_selection'), 'result_type_' . $result->getResult());
496 $result_type->setRequired(true);
497
498 $no_type = new ilRadioOption($this->lng->txt('no_result_type'), 0);
499 $no_type->setInfo($this->lng->txt('fq_no_restriction_info'));
500
501 $result_dec = new ilRadioOption($this->lng->txt('result_dec'), 1);
502 $result_dec->setInfo($this->lng->txt('result_dec_info'));
503
504 $result_frac = new ilRadioOption($this->lng->txt('result_frac'), 2);
505 $result_frac->setInfo($this->lng->txt('result_frac_info'));
506
507 $result_co_frac = new ilRadioOption($this->lng->txt('result_co_frac'), 3);
508 $result_co_frac->setInfo($this->lng->txt('result_co_frac_info'));
509
510 $result_type->addOption($no_type);
511 $result_type->addOption($result_dec);
512 $result_type->addOption($result_frac);
513 $result_type->addOption($result_co_frac);
514 $result_type->setValue(strlen($result->getResultType()) ? $result->getResultType() : 0);
515
516 $points = new ilNumberInputGUI($this->lng->txt('points'), 'points_' . $result->getResult());
517 $points->allowDecimals(true);
518 $points->setRequired(true);
519 $points->setSize(3);
520 $points->setMinValue(0);
521 $points->setValue(strlen($result->getPoints()) ? $result->getPoints() : 1);
522
523 $rating_type = new ilCheckboxInputGUI($this->lng->txt('advanced_rating'), 'rating_advanced_' . $result->getResult());
524 $rating_type->setValue(1);
525 $rating_type->setInfo($this->lng->txt('advanced_rating_info'));
526
527 if (!$save) {
528 $advanced_rating = $this->canUseAdvancedRating($result);
529 if (!$advanced_rating) {
530 $rating_type->setDisabled(true);
531 $rating_type->setChecked(false);
532 } else {
533 $rating_type->setChecked(strlen($result->getRatingSimple()) && $result->getRatingSimple() ? false : true);
534 }
535 }
536
537 $sign = new ilNumberInputGUI($this->lng->txt('rating_sign'), 'rating_sign_' . $result->getResult());
538 $sign->setRequired(true);
539 $sign->setSize(3);
540 $sign->setMinValue(0);
541 $sign->setValue($result->getRatingSign());
542 $rating_type->addSubItem($sign);
543
544 $value = new ilNumberInputGUI($this->lng->txt('rating_value'), 'rating_value_' . $result->getResult());
545 $value->setRequired(true);
546 $value->setSize(3);
547 $value->setMinValue(0);
548 $value->setValue($result->getRatingValue());
549 $rating_type->addSubItem($value);
550
551 $unit = new ilNumberInputGUI($this->lng->txt('rating_unit'), 'rating_unit_' . $result->getResult());
552 $unit->setRequired(true);
553 $unit->setSize(3);
554 $unit->setMinValue(0);
555 $unit->setValue($result->getRatingUnit());
556 $rating_type->addSubItem($unit);
557
558 $info_text = new ilNonEditableValueGUI($this->lng->txt('additional_rating_info'));
559 $rating_type->addSubItem($info_text);
560
561 $form->addItem($result_header);
562 $form->addItem($formula);
563 $form->addItem($range_min);
564 $form->addItem($range_max);
565 $form->addItem($suggest_range_button);
566 $form->addItem($precision);
567 $form->addItem($tolerance);
568 $form->addItem($sel_result_units);
569 $form->addItem($mc_result_units);
570 $form->addItem($result_type);
571 $form->addItem($points);
572 $form->addItem($rating_type);
573 }
574
575 $defined_result_vars = array();
576 $quest_vars = array();
577
578 $defined_result_res = array();
579 $result_vars = array();
580
581 foreach ($variables as $key => $object) {
582 $quest_vars[$key] = $key;
583 }
584
585 foreach ($results as $key => $object) {
586 $result_vars[$key] = $key;
587 }
588
589 foreach ($results as $tmp_result) {
593 $formula = $tmp_result->getFormula();
594
595 preg_match_all("/([$][v][0-9]*)/", $formula, $form_vars);
596 preg_match_all("/([$][r][0-9]*)/", $formula, $form_res);
597 foreach ($form_vars[0] as $res_var) {
598 $defined_result_vars[$res_var] = $res_var;
599 }
600
601 foreach ($form_res[0] as $res_res) {
602 $defined_result_res[$res_res] = $res_res;
603 }
604 }
605 }
606
607 $result_has_undefined_vars = [];
608 $question_has_unused_vars = [];
609 $result_has_undefined_res = [];
610
611 if (is_array($quest_vars) && count($quest_vars) > 0) {
612 $result_has_undefined_vars = array_diff($defined_result_vars, $quest_vars);
613 $question_has_unused_vars = array_diff($quest_vars, $defined_result_vars);
614 }
615
616 if (is_array($result_vars) && count($result_vars) > 0) {
617 $result_has_undefined_res = array_diff($defined_result_res, $result_vars);
618 }
619 $error_message = '';
620
621 if (count($result_has_undefined_vars) > 0 || count($question_has_unused_vars) > 0) {
622 if (count($result_has_undefined_vars) > 0) {
623 $error_message .= $this->lng->txt("res_contains_undef_var") . '<br>';
624 }
625 if (count($question_has_unused_vars) > 0) {
626 $error_message .= $this->lng->txt("que_contains_unused_var") . '<br>';
627 }
628
629 $checked = false;
630 if ($save) {
631 ilUtil::sendFailure($error_message);
632 }
633 }
634
635 if (is_array($result_has_undefined_res) && count($result_has_undefined_res) > 0) {
636 $error_message .= $this->lng->txt("res_contains_undef_res") . '<br>';
637 $checked = false;
638 }
639
640 if ($save && !$checked) {
641 ilUtil::sendFailure($error_message);
642 }
643
644 if ($this->object->getId()) {
645 $hidden = new ilHiddenInputGUI("", "ID");
646 $hidden->setValue($this->object->getId());
647 $form->addItem($hidden);
648 }
649
651
652 $form->addCommandButton('parseQuestion', $this->lng->txt("parseQuestion"));
653 $form->addCommandButton('saveReturnFQ', $this->lng->txt("save_return"));
654 $form->addCommandButton('saveFQ', $this->lng->txt("save"));
655
656 $errors = $checked;
657
658 if ($save) {
659 $found_vars = array();
660 $found_results = array();
661 foreach ((array) $_POST as $key => $value) {
662 if (preg_match("/^unit_(\\\$v\d+)$/", $key, $matches)) {
663 array_push($found_vars, $matches[1]);
664 }
665 if (preg_match("/^unit_(\\\$r\d+)$/", $key, $matches)) {
666 array_push($found_results, $matches[1]);
667 }
668 }
669
670 $form->setValuesByPost();
671 $errors = !$form->checkInput();
672
673 $custom_errors = false;
674 if (count($variables)) {
675 foreach ($variables as $variable) {
679 $min_range = $form->getItemByPostVar('range_min_' . $variable->getVariable());
680 $max_range = $form->getItemByPostVar('range_max_' . $variable->getVariable());
681 if ($min_range->getValue() > $max_range->getValue()) {
682 $min_range->setAlert($this->lng->txt('err_range'));
683 $max_range->setAlert($this->lng->txt('err_range'));
684 $custom_errors = true;
685 }
686 }
687 }
688
689 if (count($results)) {
690 foreach ($results as $result) {
694 $min_range = $form->getItemByPostVar('range_min_' . $result->getResult());
695 $max_range = $form->getItemByPostVar('range_max_' . $result->getResult());
696 if ($min_range->getValue() > $max_range->getValue()) {
697 $min_range->setAlert($this->lng->txt('err_range'));
698 $max_range->setAlert($this->lng->txt('err_range'));
699 $custom_errors = true;
700 }
701
702
703 $formula = $form->getItemByPostVar('formula_' . $result->getResult());
704 if (strpos($formula->getValue(), $result->getResult()) !== false) {
705 $formula->setAlert($this->lng->txt('errRecursionInResult'));
706 $custom_errors = true;
707 }
708
709 $result_unit = $form->getItemByPostVar('unit_' . $result->getResult());
710 $rating_advanced = $form->getItemByPostVar('rating_advanced_' . $result->getResult());
711 if (((int) $result_unit->getValue() <= 0) && $rating_advanced->getChecked()) {
712 unset($_POST['rating_advanced_' . $result->getResult()]);
713 $rating_advanced->setDisabled(true);
714 $rating_advanced->setChecked(false);
715 $rating_advanced->setAlert($this->lng->txt('err_rating_advanced_not_allowed'));
716 $custom_errors = true;
717 } elseif ($rating_advanced->getChecked()) {
718 $rating_sign = $form->getItemByPostVar('rating_sign_' . $result->getResult());
719 $rating_value = $form->getItemByPostVar('rating_value_' . $result->getResult());
720 $rating_unit = $form->getItemByPostVar('rating_unit_' . $result->getResult());
721
722 $percentage = $rating_sign->getValue() + $rating_value->getValue() + $rating_unit->getValue();
723 if ($percentage != 100) {
724 $rating_advanced->setAlert($this->lng->txt('err_wrong_rating_advanced'));
725 $custom_errors = true;
726 }
727 }
728
729 preg_match_all("/([$][v][0-9]*)/", $formula->getValue(), $form_vars);
730 $result_has_undefined_vars = array_diff($form_vars[0], (array) $found_vars);
731 if (count($result_has_undefined_vars)) {
732 $errors = true;
733 ilUtil::sendInfo($this->lng->txt('res_contains_undef_var'));
734 }
735 }
736 }
737
738 if ($custom_errors && !$errors) {
739 $errors = true;
740 ilUtil::sendFailure($this->lng->txt('form_input_not_valid'));
741 }
742 $form->setValuesByPost(); // again, because checkInput now performs the whole stripSlashes handling and we need this if we don't want to have duplication of backslashes
743 if ($errors) {
744 $checkonly = false;
745 }
746 }
747
748 if (!$checkonly) {
749 $this->tpl->setVariable('QUESTION_DATA', $form->getHTML());
750 }
751 return $errors;
752 }
753
754 private function hasResultUnit($result, $unit_id, $resultunits)
755 {
756 if (array_key_exists($result->getResult(), $resultunits)) {
757 if (array_key_exists($unit_id, $resultunits[$result->getResult()])) {
758 return true;
759 }
760 }
761 return false;
762 }
763
772 {
773 $resultunit = $result->getUnit();
774
775 /*
776 * if there is a result-unit (unit selectbox) selected it is possible to use advanced rating
777 * if there is no result-unit selected it is NOT possible to use advanced rating, because there is no
778 * definition if the result-value or the unit-value should be the correct solution!!
779 *
780 */
781 if (is_object($resultunit)) {
782 return true;
783 } else {
784 return false;
785 }
786 }
787
788 public function parseQuestion()
789 {
790 $this->writePostData();
791 $this->editQuestion();
792 }
793
794 public function saveReturnFQ()
795 {
796 global $DIC;
797 $ilUser = $DIC['ilUser'];
798 $old_id = $_GET["q_id"];
799 $result = $this->writePostData();
800 if ($result == 0) {
801 $ilUser->setPref("tst_lastquestiontype", $this->object->getQuestionType());
802 $ilUser->writePref("tst_lastquestiontype", $this->object->getQuestionType());
804 $this->object->saveToDb();
805 $originalexists = $this->object->_questionExistsInPool($this->object->original_id);
806 include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
807 if (($_GET["calling_test"] || (isset($_GET['calling_consumer']) && (int) $_GET['calling_consumer'])) && $originalexists && assQuestion::_isWriteable($this->object->original_id, $ilUser->getId())) {
808 $this->ctrl->redirect($this, "originalSyncForm");
809 return;
810 } elseif ($_GET["calling_test"]) {
811 require_once 'Modules/Test/classes/class.ilObjTest.php';
812 $test = new ilObjTest($_GET["calling_test"]);
813 #var_dump(assQuestion::_questionExistsInTest($this->object->getId(), $test->getTestId()));
814 $q_id = $this->object->getId();
815 if (!assQuestion::_questionExistsInTest($this->object->getId(), $test->getTestId())) {
816 global $DIC;
817 $tree = $DIC['tree'];
818 $ilDB = $DIC['ilDB'];
819 $ilPluginAdmin = $DIC['ilPluginAdmin'];
820
821 include_once("./Modules/Test/classes/class.ilObjTest.php");
822 $_GET["ref_id"] = $_GET["calling_test"];
823 $test = new ilObjTest($_GET["calling_test"], true);
824
825 require_once 'Modules/Test/classes/class.ilTestQuestionSetConfigFactory.php';
826 $testQuestionSetConfigFactory = new ilTestQuestionSetConfigFactory($tree, $ilDB, $ilPluginAdmin, $test);
827
828 $new_id = $test->insertQuestion(
829 $testQuestionSetConfigFactory->getQuestionSetConfig(),
830 $this->object->getId()
831 );
832
833 $q_id = $new_id;
834 if (isset($_REQUEST['prev_qid'])) {
835 $test->moveQuestionAfter($this->object->getId() + 1, $_REQUEST['prev_qid']);
836 }
837
838 $this->ctrl->setParameter($this, 'q_id', $new_id);
839 $this->ctrl->setParameter($this, 'calling_test', $_GET['calling_test']);
840 #$this->ctrl->setParameter($this, 'test_ref_id', false);
841 }
842 ilUtil::sendSuccess($this->lng->txt("msg_obj_modified"), true);
843 if ($_REQUEST['test_express_mode']) {
845 } else {
846 ilUtil::redirect("ilias.php?baseClass=ilObjTestGUI&cmd=questions&ref_id=" . $_GET["calling_test"]);
847 }
848 } else {
849 if ($this->object->getId() != $old_id) {
850 $this->callNewIdListeners($this->object->getId());
851 ilUtil::sendSuccess($this->lng->txt("msg_obj_modified"), true);
852 $this->ctrl->redirectByClass("ilobjquestionpoolgui", "questions");
853 }
854 if (strcmp($_SESSION["info"], "") != 0) {
855 ilUtil::sendSuccess($_SESSION["info"] . "<br />" . $this->lng->txt("msg_obj_modified"), true);
856 } else {
857 ilUtil::sendSuccess($this->lng->txt("msg_obj_modified"), true);
858 }
859 $this->ctrl->redirectByClass("ilobjquestionpoolgui", "questions");
860 }
861 } else {
862 $ilUser->setPref("tst_lastquestiontype", $this->object->getQuestionType());
863 $ilUser->writePref("tst_lastquestiontype", $this->object->getQuestionType());
864 $this->object->saveToDb();
865 $this->editQuestion();
866 }
867 }
868
869 public function saveFQ()
870 {
871 $result = $this->writePostData();
872
873 if ($result == 1) {
874 $this->editQuestion();
875 } else {
877 $this->save();
878 }
879 }
883 public function checkInput()
884 {
885 if ((!$_POST["title"]) or (!$_POST["author"]) or (!$_POST["question"])) {
886 $this->addErrorMessage($this->lng->txt("fill_out_all_required_fields"));
887 return false;
888 }
889
890
891 return true;
892 }
893
900 {
901 return true;
902 }
903
904
917 public function getSolutionOutput(
918 $active_id,
919 $pass = null,
920 $graphicalOutput = false,
921 $result_output = false,
922 $show_question_only = true,
923 $show_feedback = false,
924 $show_correct_solution = false,
925 $show_manual_scoring = false,
926 $show_question_text = true
927 ) {
928 // get the solution of the user for the active pass or from the last pass if allowed
929 $user_solution = array();
930 if (($active_id > 0) && (!$show_correct_solution)) {
931 $solutions = array();
932 include_once "./Modules/Test/classes/class.ilObjTest.php";
933 if (!ilObjTest::_getUsePreviousAnswers($active_id, true)) {
934 if (is_null($pass)) {
935 $pass = ilObjTest::_getPass($active_id);
936 }
937 }
938 $user_solution["active_id"] = $active_id;
939 $user_solution["pass"] = $pass;
940 $solutions = $this->object->getSolutionValues($active_id, $pass, !$this->getUseIntermediateSolution());
941 foreach ($solutions as $idx => $solution_value) {
942 if (preg_match("/^(\\\$v\\d+)$/", $solution_value["value1"], $matches)) {
943 $user_solution[$matches[1]] = $solution_value["value2"];
944 } elseif (preg_match("/^(\\\$r\\d+)$/", $solution_value["value1"], $matches)) {
945 if (!array_key_exists($matches[1], $user_solution)) {
946 $user_solution[$matches[1]] = array();
947 }
948 $user_solution[$matches[1]]["value"] = $solution_value["value2"];
949 } elseif (preg_match("/^(\\\$r\\d+)_unit$/", $solution_value["value1"], $matches)) {
950 if (!array_key_exists($matches[1], $user_solution)) {
951 $user_solution[$matches[1]] = array();
952 }
953 $user_solution[$matches[1]]["unit"] = $solution_value["value2"];
954 }
955 }
956 } elseif ($active_id) {
957 $solutions = null;
958 include_once "./Modules/Test/classes/class.ilObjTest.php";
959 if (!ilObjTest::_getUsePreviousAnswers($active_id, true)) {
960 if (is_null($pass)) {
961 $pass = ilObjTest::_getPass($active_id);
962 }
963 }
964 $user_solution = (array) $this->object->getBestSolution($this->object->getSolutionValues($active_id, $pass));
965 } elseif (is_object($this->getPreviewSession())) {
966 $solutionValues = array();
967
968 $participantsSolution = $this->getPreviewSession()->getParticipantsSolution();
969 if (is_array($participantsSolution)) {
970 foreach ($participantsSolution as $val1 => $val2) {
971 $solutionValues[] = array('value1' => $val1, 'value2' => $val2);
972 }
973 }
974
975 $user_solution = (array) $this->object->getBestSolution($solutionValues);
976 }
977
978 $template = new ilTemplate("tpl.il_as_qpl_formulaquestion_output_solution.html", true, true, 'Modules/TestQuestionPool');
979 $questiontext = $this->object->substituteVariables($user_solution, $graphicalOutput, true, $result_output);
980
981 $template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($questiontext, true));
982 $questionoutput = $template->get();
983 $solutiontemplate = new ilTemplate("tpl.il_as_tst_solution_output.html", true, true, "Modules/TestQuestionPool");
984 $feedback = ($show_feedback) ? $this->getGenericFeedbackOutput($active_id, $pass) : "";
985 if (strlen($feedback)) {
986 $cssClass = (
987 $this->hasCorrectSolution($active_id, $pass) ?
989 );
990
991 $solutiontemplate->setVariable("ILC_FB_CSS_CLASS", $cssClass);
992 $solutiontemplate->setVariable("FEEDBACK", $this->object->prepareTextareaOutput($feedback, true));
993 }
994 $solutiontemplate->setVariable("SOLUTION_OUTPUT", $questionoutput);
995
996 $solutionoutput = $solutiontemplate->get();
997 if (!$show_question_only) {
998 // get page object output
999 $solutionoutput = $this->getILIASPage($solutionoutput);
1000 }
1001 return $solutionoutput;
1002 }
1003
1004 public function getPreview($show_question_only = false, $showInlineFeedback = false)
1005 {
1006 $user_solution = array();
1007
1008 if (is_object($this->getPreviewSession())) {
1009 $solutions = (array) $this->getPreviewSession()->getParticipantsSolution();
1010
1011 foreach ($solutions as $val1 => $val2) {
1012 if (preg_match("/^(\\\$v\\d+)$/", $val1, $matches)) {
1013 $user_solution[$matches[1]] = $val2;
1014 } elseif (preg_match("/^(\\\$r\\d+)$/", $val1, $matches)) {
1015 if (!array_key_exists($matches[1], $user_solution)) {
1016 $user_solution[$matches[1]] = array();
1017 }
1018 $user_solution[$matches[1]]["value"] = $val2;
1019 } elseif (preg_match("/^(\\\$r\\d+)_unit$/", $val1, $matches)) {
1020 if (!array_key_exists($matches[1], $user_solution)) {
1021 $user_solution[$matches[1]] = array();
1022 }
1023 $user_solution[$matches[1]]["unit"] = $val2;
1024 }
1025
1026 if (preg_match("/^(\\\$r\\d+)/", $val1, $matches) && $user_solution[$matches[1]]["result_type"] == 0) {
1027 $user_solution[$matches[1]]["result_type"] = assFormulaQuestionResult::getResultTypeByQstId($this->object->getId(), $val1);
1028 }
1029 }
1030 }
1031
1032 if (!$this->object->hasRequiredVariableSolutionValues($user_solution)) {
1033 $user_solution = $this->object->getInitialVariableSolutionValues();
1034
1035 if (is_object($this->getPreviewSession())) {
1036 $this->getPreviewSession()->setParticipantsSolution($user_solution);
1037 }
1038 }
1039
1040 $template = new ilTemplate("tpl.il_as_qpl_formulaquestion_output.html", true, true, 'Modules/TestQuestionPool');
1041 if (is_object($this->getPreviewSession())) {
1042 $questiontext = $this->object->substituteVariables($user_solution, false, false, false);
1043 } else {
1044 $questiontext = $this->object->substituteVariables(array());
1045 }
1046 $template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($questiontext, true));
1047 $questionoutput = $template->get();
1048 if (!$show_question_only) {
1049 // get page object output
1050 $questionoutput = $this->getILIASPage($questionoutput);
1051 }
1052 return $questionoutput;
1053 }
1054
1055 // hey: prevPassSolutions - pass will be always available from now on
1056 public function getTestOutput($active_id, $pass, $is_postponed = false, $use_post_solutions = false, $show_feedback = false)
1057 // hey.
1058 {
1059 ilUtil::sendInfo($this->lng->txt('enter_valid_values'));
1060 // get the solution of the user for the active pass or from the last pass if allowed
1061 $user_solution = array();
1062 if ($active_id) {
1063 $solutions = (array) $this->object->getTestOutputSolutions($active_id, $pass);
1064
1065 $actualPassIndex = null;
1066 if ($this->object->getTestPresentationConfig()->isSolutionInitiallyPrefilled()) {
1067 require_once 'Modules/Test/classes/class.ilObjTest.php';
1068 $actualPassIndex = ilObjTest::_getPass($active_id);
1069 }
1070
1071 foreach ($solutions as $idx => $solution_value) {
1072 if (preg_match("/^(\\\$v\\d+)$/", $solution_value["value1"], $matches)) {
1073 if ($this->object->getTestPresentationConfig()->isSolutionInitiallyPrefilled()) {
1074 $this->object->saveCurrentSolution($active_id, $actualPassIndex, $matches[1], $solution_value["value2"], true);
1075 }
1076
1077 $user_solution[$matches[1]] = $solution_value["value2"];
1078 } elseif (preg_match("/^(\\\$r\\d+)$/", $solution_value["value1"], $matches)) {
1079 if (!array_key_exists($matches[1], $user_solution)) {
1080 $user_solution[$matches[1]] = array();
1081 }
1082 $user_solution[$matches[1]]["value"] = $solution_value["value2"];
1083 } elseif (preg_match("/^(\\\$r\\d+)_unit$/", $solution_value["value1"], $matches)) {
1084 if (!array_key_exists($matches[1], $user_solution)) {
1085 $user_solution[$matches[1]] = array();
1086 }
1087 $user_solution[$matches[1]]["unit"] = $solution_value["value2"];
1088 }
1089
1090 if (preg_match("/^(\\\$r\\d+)/", $solution_value["value1"], $matches) && $user_solution[$matches[1]]["result_type"] == 0) {
1091 $user_solution[$matches[1]]["result_type"] = assFormulaQuestionResult::getResultTypeByQstId($this->object->getId(), $solution_value["value1"]);
1092 }
1093 }
1094 }
1095
1096 // fau: testNav - take question variables always from authorized solution because they are saved with this flag, even if an authorized solution is not saved
1097 $solutions = $this->object->getSolutionValues($active_id, $pass, true);
1098 foreach ($solutions as $idx => $solution_value) {
1099 if (preg_match("/^(\\\$v\\d+)$/", $solution_value["value1"], $matches)) {
1100 $user_solution[$matches[1]] = $solution_value["value2"];
1101 }
1102 }
1103 // fau.
1104
1105 if (!$this->object->hasRequiredVariableSolutionValues($user_solution)) {
1106 foreach ($this->object->getInitialVariableSolutionValues() as $val1 => $val2) {
1107 $this->object->saveCurrentSolution($active_id, $pass, $val1, $val2, true);
1108 }
1109 }
1110
1111 // generate the question output
1112 $template = new ilTemplate("tpl.il_as_qpl_formulaquestion_output.html", true, true, 'Modules/TestQuestionPool');
1113
1114 $questiontext = $this->object->substituteVariables($user_solution);
1115
1116 $template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($questiontext, true));
1117
1118 $questionoutput = $template->get();
1119 $pageoutput = $this->outQuestionPage("", $is_postponed, $active_id, $questionoutput);
1120 return $pageoutput;
1121 }
1122
1123 public function getSpecificFeedbackOutput($userSolution)
1124 {
1125 return '';
1126 }
1127}
$result
$test
Definition: Utf8Test.php:84
$_GET["client_id"]
$_POST["username"]
$_SESSION["AccountId"]
An exception for terminatinating execution or to throw for unit testing.
Single choice question GUI representation The assFormulaQuestionGUI class encapsulates the GUI repres...
getSpecificFeedbackOutput($userSolution)
Returns the answer specific feedback for the question.
canUseAdvancedRating($result)
Check if advanced rating can be used for a result.
hasResultUnit($result, $unit_id, $resultunits)
getPreview($show_question_only=false, $showInlineFeedback=false)
suggestRange()
Suggest a range for a result @access public.
setQuestionTabs()
Sets the ILIAS tabs for this question type Sets the ILIAS tabs for this question type @access public.
getSolutionOutput( $active_id, $pass=null, $graphicalOutput=false, $result_output=false, $show_question_only=true, $show_feedback=false, $show_correct_solution=false, $show_manual_scoring=false, $show_question_text=true)
Get the question solution output.
supportsIntermediateSolutionOutput()
Question type specific support of intermediate solution output The function getSolutionOutput respect...
getTestOutput($active_id, $pass, $is_postponed=false, $use_post_solutions=false, $show_feedback=false)
__construct($id=-1)
assFormulaQuestionGUI constructor The constructor takes possible arguments an creates an instance of ...
writePostData($always=false)
{Evaluates a posted edit form and writes the form data in the question object.integer A positive valu...
static getResultTypeByQstId($a_qst_id, $a_result)
Class for single choice questions assFormulaQuestion is a class for single choice questions.
Basic GUI class for assessment questions.
populateTaxonomyFormSection(ilPropertyFormGUI $form)
callNewIdListeners($a_new_id)
Call the new id listeners.
addTab_QuestionHints(ilTabsGUI $tabs)
adds the hints tab to ilTabsGUI
getILIASPage($html="")
Returns the ILIAS Page around a question.
getQuestionTemplate()
get question template
outQuestionPage($a_temp_var, $a_postponed=false, $active_id="", $html="", $inlineFeedbackEnabled=false)
output question page
getUseIntermediateSolution()
Get if intermediate solution should be used for solution output.
addErrorMessage($errormessage)
addBackTab(ilTabsGUI $ilTabs)
hasCorrectSolution($activeId, $passIndex)
addTab_QuestionFeedback(ilTabsGUI $tabs)
adds the feedback tab to ilTabsGUI
addBasicQuestionFormProperties($form)
Add basic question form properties: assessment: title, author, description, question,...
addTab_QuestionPreview(ilTabsGUI $tabsGUI)
getGenericFeedbackOutput($active_id, $pass)
Returns the answer specific feedback for the question.
static _questionExistsInTest($question_id, $test_id)
static _isWriteable($question_id, $user_id)
Returns true if the question is writeable by a certain user.
This class represents a checkbox property in a property form.
This class represents a custom property in a property form.
This class represents a section header in a property form.
This class represents a hidden form property in a property form.
This class represents a multi selection list property in a property form.
This class represents a non editable value in a property form.
This class represents a number property in a property form.
static _getUsePreviousAnswers($active_id, $user_active_user_setting=false)
Returns if the previous results should be hidden for a learner.
static _getPass($active_id)
Retrieves the actual pass of a given user for a given test.
This class represents a property form user interface.
This class represents a property in a property form.
This class represents an option in a radio group.
This class represents a selection list property in a property form.
special template class to simplify handling of ITX/PEAR
static getReturnToPageLink($q_id=null)
This class represents a text property in a property form.
static stripOnlySlashes($a_str)
strip slashes if magic qoutes is enabled
static redirect($a_script)
static sendFailure($a_info="", $a_keep=false)
Send Failure Message to Screen.
static sendInfo($a_info="", $a_keep=false)
Send Info Message to Screen.
$template
$key
Definition: croninfo.php:18
$txt
Definition: error.php:11
if(!array_key_exists('StateId', $_REQUEST)) $id
$errors
Definition: index.php:6
$url
if(isset($_POST['submit'])) $form
global $DIC
Definition: saml.php:7
global $ilDB
$results
Definition: svg-scanner.php:47
$ilUser
Definition: imgupload.php:18