ILIAS  Release_5_0_x_branch Revision 61816
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class.assMultipleChoiceGUI.php
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1 <?php
2 /* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
3 
4 require_once './Modules/TestQuestionPool/classes/class.assQuestionGUI.php';
5 require_once './Modules/TestQuestionPool/interfaces/interface.ilGuiQuestionScoringAdjustable.php';
6 require_once './Modules/TestQuestionPool/interfaces/interface.ilGuiAnswerScoringAdjustable.php';
7 require_once './Modules/Test/classes/inc.AssessmentConstants.php';
8 
23 class assMultipleChoiceGUI extends assQuestionGUI implements ilGuiQuestionScoringAdjustable, ilGuiAnswerScoringAdjustable
24 {
25  var $choiceKeys;
26 
35  function __construct($id = -1)
36  {
37  parent::__construct();
38  include_once "./Modules/TestQuestionPool/classes/class.assMultipleChoice.php";
39  $this->object = new assMultipleChoice();
40  if ($id >= 0)
41  {
42  $this->object->loadFromDb($id);
43  }
44  }
45 
53  public function writePostData($always = false)
54  {
55  $hasErrors = (!$always) ? $this->editQuestion(true) : false;
56  if (!$hasErrors)
57  {
58  require_once 'Services/Form/classes/class.ilPropertyFormGUI.php';
59  $this->writeQuestionGenericPostData();
60  $this->writeQuestionSpecificPostData(new ilPropertyFormGUI());
61  $this->writeAnswerSpecificPostData(new ilPropertyFormGUI());
62  $this->saveTaxonomyAssignments();
63  return 0;
64  }
65  return 1;
66  }
67 
75  public function editQuestion($checkonly = FALSE)
76  {
77  $save = $this->isSaveCommand();
78  $this->getQuestionTemplate();
79 
80  include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
81  $form = new ilPropertyFormGUI();
82  $form->setFormAction($this->ctrl->getFormAction($this));
83  $form->setTitle($this->outQuestionType());
84  $isSingleline = ($this->object->lastChange == 0 && !array_key_exists('types', $_POST)) ? (($this->object->getMultilineAnswerSetting()) ? false : true) : $this->object->isSingleline;
85  if ($checkonly) $isSingleline = ($_POST['types'] == 0) ? true : false;
86  if ($isSingleline)
87  {
88  $form->setMultipart(TRUE);
89  }
90  else
91  {
92  $form->setMultipart(FALSE);
93  }
94  $form->setTableWidth("100%");
95  $form->setId("assmultiplechoice");
96 
97  // title, author, description, question, working time (assessment mode)
98  $this->addBasicQuestionFormProperties( $form );
99  $this->populateQuestionSpecificFormPart( $form );
100  $this->populateAnswerSpecificFormPart( $form );
101  $this->populateTaxonomyFormSection($form);
102  $this->addQuestionFormCommandButtons($form);
103 
104  $errors = false;
105 
106  if ($save)
107  {
108  $form->setValuesByPost();
109  $errors = !$form->checkInput();
110  $form->setValuesByPost(); // again, because checkInput now performs the whole stripSlashes handling and we need this if we don't want to have duplication of backslashes
111  if ($errors) $checkonly = false;
112  }
113 
114  if (!$checkonly) $this->tpl->setVariable("QUESTION_DATA", $form->getHTML());
115  return $errors;
116  }
117 
118  function addBasicQuestionFormProperties(ilPropertyFormGUI $form)
119  {
120  parent::addBasicQuestionFormProperties($form);
121  $form->getItemByPostVar('question')->setInitialRteWidth('100');
122  }
123 
127  public function uploadchoice()
128  {
129  $this->writePostData(true);
130  $position = key($_POST['cmd']['uploadchoice']);
131  $this->editQuestion();
132  }
133 
137  public function removeimagechoice()
138  {
139  $this->writePostData(true);
140  $position = key($_POST['cmd']['removeimagechoice']);
141  $filename = $_POST['choice']['imagename'][$position];
142  $this->object->removeAnswerImage($position);
143  $this->editQuestion();
144  }
145 
149  public function addchoice()
150  {
151  $this->writePostData(true);
152  $position = key($_POST['cmd']['addchoice']);
153  $this->object->addAnswer("", 0, 0, $position+1);
154  $this->editQuestion();
155  }
156 
160  public function removechoice()
161  {
162  $this->writePostData(true);
163  $position = key($_POST['cmd']['removechoice']);
164  $this->object->deleteAnswer($position);
165  $this->editQuestion();
166  }
167 
183  function getSolutionOutput(
184  $active_id,
185  $pass = NULL,
186  $graphicalOutput = FALSE,
187  $result_output = FALSE,
188  $show_question_only = TRUE,
189  $show_feedback = FALSE,
190  $show_correct_solution = FALSE,
191  $show_manual_scoring = FALSE,
192  $show_question_text = TRUE
193  )
194  {
195  // shuffle output
196  $keys = $this->getChoiceKeys();
197 
198  // get the solution of the user for the active pass or from the last pass if allowed
199  $user_solution = array();
200  if (($active_id > 0) && (!$show_correct_solution))
201  {
202  $solutions =& $this->object->getSolutionValues($active_id, $pass);
203  foreach ($solutions as $idx => $solution_value)
204  {
205  array_push($user_solution, $solution_value["value1"]);
206  }
207  }
208  else
209  {
210  // take the correct solution instead of the user solution
211  foreach ($this->object->answers as $index => $answer)
212  {
213  $points_checked = $answer->getPointsChecked();
214  $points_unchecked = $answer->getPointsUnchecked();
215  if ($points_checked > $points_unchecked)
216  {
217  if ($points_checked > 0)
218  {
219  array_push($user_solution, $index);
220  }
221  }
222  }
223  }
224 
225  // generate the question output
226  include_once "./Services/UICore/classes/class.ilTemplate.php";
227  $template = new ilTemplate("tpl.il_as_qpl_mc_mr_output_solution.html", TRUE, TRUE, "Modules/TestQuestionPool");
228  $solutiontemplate = new ilTemplate("tpl.il_as_tst_solution_output.html",TRUE, TRUE, "Modules/TestQuestionPool");
229  foreach ($keys as $answer_id)
230  {
231  $answer = $this->object->answers[$answer_id];
232  if (($active_id > 0) && (!$show_correct_solution))
233  {
234  if ($graphicalOutput)
235  {
236  // output of ok/not ok icons for user entered solutions
237  $ok = FALSE;
238  $checked = FALSE;
239  foreach ($user_solution as $mc_solution)
240  {
241  if (strcmp($mc_solution, $answer_id) == 0)
242  {
243  $checked = TRUE;
244  }
245  }
246  if ($checked)
247  {
248  if ($answer->getPointsChecked() > $answer->getPointsUnchecked())
249  {
250  $ok = TRUE;
251  }
252  else
253  {
254  $ok = FALSE;
255  }
256  }
257  else
258  {
259  if ($answer->getPointsChecked() > $answer->getPointsUnchecked())
260  {
261  $ok = FALSE;
262  }
263  else
264  {
265  $ok = TRUE;
266  }
267  }
268  if ($ok)
269  {
270  $template->setCurrentBlock("icon_ok");
271  $template->setVariable("ICON_OK", ilUtil::getImagePath("icon_ok.svg"));
272  $template->setVariable("TEXT_OK", $this->lng->txt("answer_is_right"));
273  $template->parseCurrentBlock();
274  }
275  else
276  {
277  $template->setCurrentBlock("icon_ok");
278  $template->setVariable("ICON_NOT_OK", ilUtil::getImagePath("icon_not_ok.svg"));
279  $template->setVariable("TEXT_NOT_OK", $this->lng->txt("answer_is_wrong"));
280  $template->parseCurrentBlock();
281  }
282  }
283  }
284  if (strlen($answer->getImage()))
285  {
286  $template->setCurrentBlock("answer_image");
287  if ($this->object->getThumbSize())
288  {
289  $template->setVariable("ANSWER_IMAGE_URL", $this->object->getImagePathWeb() . $this->object->getThumbPrefix() . $answer->getImage());
290  }
291  else
292  {
293  $template->setVariable("ANSWER_IMAGE_URL", $this->object->getImagePathWeb() . $answer->getImage());
294  }
295  $alt = $answer->getImage();
296  if (strlen($answer->getAnswertext()))
297  {
298  $alt = $answer->getAnswertext();
299  }
300  $alt = preg_replace("/<[^>]*?>/", "", $alt);
301  $template->setVariable("ANSWER_IMAGE_ALT", ilUtil::prepareFormOutput($alt));
302  $template->setVariable("ANSWER_IMAGE_TITLE", ilUtil::prepareFormOutput($alt));
303  $template->parseCurrentBlock();
304  }
305 
306  if ($show_feedback)
307  {
308 
309  if ($this->object->getSpecificFeedbackSetting() == 2)
310  {
311  foreach ($user_solution as $mc_solution)
312  {
313  if (strcmp($mc_solution, $answer_id) == 0)
314  {
315  $fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackTestPresentation(
316  $this->object->getId(), $answer_id
317  );
318  if (strlen($fb))
319  {
320  $template->setCurrentBlock("feedback");
321  $template->setVariable("FEEDBACK", $this->object->prepareTextareaOutput( $fb, true ));
322  $template->parseCurrentBlock();
323  }
324  }
325  }
326  }
327 
328  if ($this->object->getSpecificFeedbackSetting() == 1)
329  {
330  $fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackTestPresentation(
331  $this->object->getId(), $answer_id
332  );
333  if (strlen($fb))
334  {
335  $template->setCurrentBlock("feedback");
336  $template->setVariable("FEEDBACK", $this->object->prepareTextareaOutput( $fb, true ));
337  $template->parseCurrentBlock();
338  }
339  }
340 
341  if ($this->object->getSpecificFeedbackSetting() == 3)
342  {
343  $answer = $this->object->getAnswer($answer_id);
344 
345  if ($answer->getPoints() > 0)
346  {
347  $fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackTestPresentation(
348  $this->object->getId(), $answer_id
349  );
350  if (strlen($fb))
351  {
352  $template->setCurrentBlock("feedback");
353  $template->setVariable("FEEDBACK", $this->object->prepareTextareaOutput( $fb, true ));
354  $template->parseCurrentBlock();
355  }
356  }
357 
358  }
359  }
360  $template->setCurrentBlock("answer_row");
361  $template->setVariable("ANSWER_TEXT", $this->object->prepareTextareaOutput($answer->getAnswertext(), TRUE));
362  $checked = FALSE;
363  if ($result_output)
364  {
365  $pointschecked = $this->object->answers[$answer_id]->getPointsChecked();
366  $pointsunchecked = $this->object->answers[$answer_id]->getPointsUnchecked();
367  $resulttextchecked = ($pointschecked == 1) || ($pointschecked == -1) ? "%s " . $this->lng->txt("point") : "%s " . $this->lng->txt("points");
368  $resulttextunchecked = ($pointsunchecked == 1) || ($pointsunchecked == -1) ? "%s " . $this->lng->txt("point") : "%s " . $this->lng->txt("points");
369  $template->setVariable("RESULT_OUTPUT", sprintf("(" . $this->lng->txt("checkbox_checked") . " = $resulttextchecked, " . $this->lng->txt("checkbox_unchecked") . " = $resulttextunchecked)", $pointschecked, $pointsunchecked));
370  }
371  foreach ($user_solution as $mc_solution)
372  {
373  if (strcmp($mc_solution, $answer_id) == 0)
374  {
375  $template->setVariable("SOLUTION_IMAGE", ilUtil::getHtmlPath(ilUtil::getImagePath("checkbox_checked.png")));
376  $template->setVariable("SOLUTION_ALT", $this->lng->txt("checked"));
377  $checked = TRUE;
378  }
379  }
380  if (!$checked)
381  {
382  $template->setVariable("SOLUTION_IMAGE", ilUtil::getHtmlPath(ilUtil::getImagePath("checkbox_unchecked.png")));
383  $template->setVariable("SOLUTION_ALT", $this->lng->txt("unchecked"));
384  }
385  $template->parseCurrentBlock();
386  }
387  $questiontext = $this->object->getQuestion();
388  if ($show_question_text==true)
389  {
390  $template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($questiontext, TRUE));
391  }
392  $questionoutput = $template->get();
393  $feedback = ($show_feedback) ? $this->getAnswerFeedbackOutput($active_id, $pass) : "";
394 
395  if (strlen($feedback)) $solutiontemplate->setVariable("FEEDBACK", $this->object->prepareTextareaOutput( $feedback , true ));
396  $solutiontemplate->setVariable("SOLUTION_OUTPUT", $questionoutput);
397 
398  $solutionoutput = $solutiontemplate->get();
399  if (!$show_question_only)
400  {
401  // get page object output
402  $solutionoutput = $this->getILIASPage($solutionoutput);
403  }
404  return $solutionoutput;
405  }
406 
407  function getPreview($show_question_only = FALSE, $showInlineFeedback = false)
408  {
409  $user_solution = is_object($this->getPreviewSession()) ? (array)$this->getPreviewSession()->getParticipantsSolution() : array();
410  // shuffle output
411  $keys = $this->getChoiceKeys();
412 
413  // generate the question output
414  include_once "./Services/UICore/classes/class.ilTemplate.php";
415  $template = new ilTemplate("tpl.il_as_qpl_mc_mr_output.html", TRUE, TRUE, "Modules/TestQuestionPool");
416  foreach ($keys as $answer_id)
417  {
418  $answer = $this->object->answers[$answer_id];
419  if (strlen($answer->getImage()))
420  {
421  if ($this->object->getThumbSize())
422  {
423  $template->setCurrentBlock("preview");
424  $template->setVariable("URL_PREVIEW", $this->object->getImagePathWeb() . $answer->getImage());
425  $template->setVariable("TEXT_PREVIEW", $this->lng->txt('preview'));
426  $template->setVariable("IMG_PREVIEW", ilUtil::getImagePath('enlarge.svg'));
427  $template->setVariable("ANSWER_IMAGE_URL", $this->object->getImagePathWeb() . $this->object->getThumbPrefix() . $answer->getImage());
428  list($width, $height, $type, $attr) = getimagesize($this->object->getImagePath() . $answer->getImage());
429  $alt = $answer->getImage();
430  if (strlen($answer->getAnswertext()))
431  {
432  $alt = $answer->getAnswertext();
433  }
434  $alt = preg_replace("/<[^>]*?>/", "", $alt);
435  $template->setVariable("ANSWER_IMAGE_ALT", ilUtil::prepareFormOutput($alt));
436  $template->setVariable("ANSWER_IMAGE_TITLE", ilUtil::prepareFormOutput($alt));
437  $template->parseCurrentBlock();
438  }
439  else
440  {
441  $template->setCurrentBlock("answer_image");
442  $template->setVariable("ANSWER_IMAGE_URL", $this->object->getImagePathWeb() . $answer->getImage());
443  list($width, $height, $type, $attr) = getimagesize($this->object->getImagePath() . $answer->getImage());
444  $alt = $answer->getImage();
445  if (strlen($answer->getAnswertext()))
446  {
447  $alt = $answer->getAnswertext();
448  }
449  $alt = preg_replace("/<[^>]*?>/", "", $alt);
450  $template->setVariable("ATTR", $attr);
451  $template->setVariable("ANSWER_IMAGE_ALT", ilUtil::prepareFormOutput($alt));
452  $template->setVariable("ANSWER_IMAGE_TITLE", ilUtil::prepareFormOutput($alt));
453  $template->parseCurrentBlock();
454  }
455  }
456 
457  if( $showInlineFeedback )
458  {
459  $this->populateSpecificFeedbackInline($user_solution, $answer_id, $template);
460  }
461 
462  $template->setCurrentBlock("answer_row");
463  $template->setVariable("ANSWER_ID", $answer_id);
464  $template->setVariable("ANSWER_TEXT", $this->object->prepareTextareaOutput($answer->getAnswertext(), TRUE));
465  foreach ($user_solution as $mc_solution)
466  {
467  if (strcmp($mc_solution, $answer_id) == 0)
468  {
469  $template->setVariable("CHECKED_ANSWER", " checked=\"checked\"");
470  }
471  }
472  $template->parseCurrentBlock();
473  }
474  $questiontext = $this->object->getQuestion();
475  $template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($questiontext, TRUE));
476  $questionoutput = $template->get();
477  if (!$show_question_only)
478  {
479  // get page object output
480  $questionoutput = $this->getILIASPage($questionoutput);
481  }
482  return $questionoutput;
483  }
484 
494  function getTestOutput(
495  $active_id,
496  $pass = NULL,
497  $is_postponed = FALSE,
498  $use_post_solutions = FALSE,
499  $show_feedback = FALSE
500  )
501  {
502  // shuffle output
503  $keys = $this->getChoiceKeys();
504 
505  // get the solution of the user for the active pass or from the last pass if allowed
506  $user_solution = array();
507  if ($active_id)
508  {
509  $solutions = NULL;
510  include_once "./Modules/Test/classes/class.ilObjTest.php";
511  if (!ilObjTest::_getUsePreviousAnswers($active_id, true))
512  {
513  if (is_null($pass)) $pass = ilObjTest::_getPass($active_id);
514  }
515  $solutions =& $this->object->getSolutionValues($active_id, $pass);
516  foreach ($solutions as $idx => $solution_value)
517  {
518  array_push($user_solution, $solution_value["value1"]);
519  }
520  }
521  // generate the question output
522  include_once "./Services/UICore/classes/class.ilTemplate.php";
523  $template = new ilTemplate("tpl.il_as_qpl_mc_mr_output.html", TRUE, TRUE, "Modules/TestQuestionPool");
524  foreach ($keys as $answer_id)
525  {
526  $answer = $this->object->answers[$answer_id];
527  if (strlen($answer->getImage()))
528  {
529  if ($this->object->getThumbSize())
530  {
531  $template->setCurrentBlock("preview");
532  $template->setVariable("URL_PREVIEW", $this->object->getImagePathWeb() . $answer->getImage());
533  $template->setVariable("TEXT_PREVIEW", $this->lng->txt('preview'));
534  $template->setVariable("IMG_PREVIEW", ilUtil::getImagePath('enlarge.svg'));
535  $template->setVariable("ANSWER_IMAGE_URL", $this->object->getImagePathWeb() . $this->object->getThumbPrefix() . $answer->getImage());
536  list($width, $height, $type, $attr) = getimagesize($this->object->getImagePath() . $answer->getImage());
537  $alt = $answer->getImage();
538  if (strlen($answer->getAnswertext()))
539  {
540  $alt = $answer->getAnswertext();
541  }
542  $alt = preg_replace("/<[^>]*?>/", "", $alt);
543  $template->setVariable("ANSWER_IMAGE_ALT", ilUtil::prepareFormOutput($alt));
544  $template->setVariable("ANSWER_IMAGE_TITLE", ilUtil::prepareFormOutput($alt));
545  $template->parseCurrentBlock();
546  }
547  else
548  {
549  $template->setCurrentBlock("answer_image");
550  $template->setVariable("ANSWER_IMAGE_URL", $this->object->getImagePathWeb() . $answer->getImage());
551  list($width, $height, $type, $attr) = getimagesize($this->object->getImagePath() . $answer->getImage());
552  $alt = $answer->getImage();
553  if (strlen($answer->getAnswertext()))
554  {
555  $alt = $answer->getAnswertext();
556  }
557  $alt = preg_replace("/<[^>]*?>/", "", $alt);
558  $template->setVariable("ATTR", $attr);
559  $template->setVariable("ANSWER_IMAGE_ALT", ilUtil::prepareFormOutput($alt));
560  $template->setVariable("ANSWER_IMAGE_TITLE", ilUtil::prepareFormOutput($alt));
561  $template->parseCurrentBlock();
562  }
563  }
564 
565  if( $show_feedback )
566  {
567  $this->populateSpecificFeedbackInline($user_solution, $answer_id, $template);
568  }
569 
570  $template->setCurrentBlock("answer_row");
571  $template->setVariable("ANSWER_ID", $answer_id);
572  $template->setVariable("ANSWER_TEXT", $this->object->prepareTextareaOutput($answer->getAnswertext(), TRUE));
573  foreach ($user_solution as $mc_solution)
574  {
575  if (strcmp($mc_solution, $answer_id) == 0)
576  {
577  $template->setVariable("CHECKED_ANSWER", " checked=\"checked\"");
578  }
579  }
580  $template->parseCurrentBlock();
581  }
582  $questiontext = $this->object->getQuestion();
583  $template->setVariable("QUESTIONTEXT", $this->object->prepareTextareaOutput($questiontext, TRUE));
584  $questionoutput = $template->get();
585  $pageoutput = $this->outQuestionPage("", $is_postponed, $active_id, $questionoutput);
586  return $pageoutput;
587  }
588 
594  public function setQuestionTabs()
595  {
596  global $rbacsystem, $ilTabs;
597 
598  $ilTabs->clearTargets();
599 
600  $this->ctrl->setParameterByClass("ilAssQuestionPageGUI", "q_id", $_GET["q_id"]);
601  include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
602  $q_type = $this->object->getQuestionType();
603 
604  if (strlen($q_type))
605  {
606  $classname = $q_type . "GUI";
607  $this->ctrl->setParameterByClass(strtolower($classname), "sel_question_types", $q_type);
608  $this->ctrl->setParameterByClass(strtolower($classname), "q_id", $_GET["q_id"]);
609  }
610 
611  if ($_GET["q_id"])
612  {
613  if ($rbacsystem->checkAccess('write', $_GET["ref_id"]))
614  {
615  // edit page
616  $ilTabs->addTarget("edit_page",
617  $this->ctrl->getLinkTargetByClass("ilAssQuestionPageGUI", "edit"),
618  array("edit", "insert", "exec_pg"),
619  "", "", $force_active);
620  }
621 
622  $this->addTab_QuestionPreview($ilTabs);
623  }
624  $force_active = false;
625  if ($rbacsystem->checkAccess('write', $_GET["ref_id"]))
626  {
627  $url = "";
628  if ($classname) $url = $this->ctrl->getLinkTargetByClass($classname, "editQuestion");
629  $force_active = false;
630  // edit question properties
631  $ilTabs->addTarget("edit_question",
632  $url,
633  array("editQuestion", "save", "saveEdit", "addchoice", "removechoice", "removeimagechoice", "uploadchoice", "originalSyncForm"),
634  $classname, "", $force_active);
635  }
636 
637  // add tab for question feedback within common class assQuestionGUI
638  $this->addTab_QuestionFeedback($ilTabs);
639 
640  // add tab for question hint within common class assQuestionGUI
641  $this->addTab_QuestionHints($ilTabs);
642 
643  // add tab for question's suggested solution within common class assQuestionGUI
644  $this->addTab_SuggestedSolution($ilTabs, $classname);
645 
646  // Assessment of questions sub menu entry
647  if ($_GET["q_id"])
648  {
649  $ilTabs->addTarget("statistics",
650  $this->ctrl->getLinkTargetByClass($classname, "assessment"),
651  array("assessment"),
652  $classname, "");
653  }
654 
655  $this->addBackTab($ilTabs);
656  }
657 
663  function getChoiceKeys()
664  {
665  if (strcmp($_GET["activecommand"], "directfeedback") == 0)
666  {
667  if (is_array($_SESSION["choicekeys"])) $this->choiceKeys = $_SESSION["choicekeys"];
668  }
669  if (!is_array($this->choiceKeys))
670  {
671  $this->choiceKeys = array_keys($this->object->answers);
672  if ($this->object->getShuffle())
673  {
674  $this->choiceKeys = $this->object->pcArrayShuffle($this->choiceKeys);
675  }
676  }
677  $_SESSION["choicekeys"] = $this->choiceKeys;
678  return $this->choiceKeys;
679  }
680 
681  function getSpecificFeedbackOutput($active_id, $pass)
682  {
683  // No return value, this question type supports inline specific feedback.
684  $output = "";
685  return $this->object->prepareTextareaOutput($output, TRUE);
686  }
687 
688  public function writeQuestionSpecificPostData(ilPropertyFormGUI $form)
689  {
690  $this->object->setShuffle( $_POST["shuffle"] );
691 
692  $this->object->setSpecificFeedbackSetting( $_POST['feedback_setting'] );
693 
694  $this->object->setMultilineAnswerSetting( $_POST["types"] );
695  if (is_array( $_POST['choice']['imagename'] ) && $_POST["types"] == 1)
696  {
697  $this->object->isSingleline = true;
698  ilUtil::sendInfo( $this->lng->txt( 'info_answer_type_change' ), true );
699  }
700  else
701  {
702  $this->object->isSingleline = ($_POST["types"] == 0) ? true : false;
703  }
704  $this->object->setThumbSize( (strlen( $_POST["thumb_size"] )) ? $_POST["thumb_size"] : "" );
705  }
706 
707  public function writeAnswerSpecificPostData(ilPropertyFormGUI $form)
708  {
709  // Delete all existing answers and create new answers from the form data
710  $this->object->flushAnswers();
711  if ($this->object->isSingleline)
712  {
713  foreach ($_POST['choice']['answer'] as $index => $answertext)
714  {
715  $answertext = ilUtil::secureString($answertext);
716 
717  $picturefile = $_POST['choice']['imagename'][$index];
718  $file_org_name = $_FILES['choice']['name']['image'][$index];
719  $file_temp_name = $_FILES['choice']['tmp_name']['image'][$index];
720 
721  if (strlen( $file_temp_name ))
722  {
723  // check suffix
724  $suffix = strtolower( array_pop( explode( ".", $file_org_name ) ) );
725  if (in_array( $suffix, array( "jpg", "jpeg", "png", "gif" ) ))
726  {
727  // upload image
728  $filename = $this->object->createNewImageFileName( $file_org_name );
729  if ($this->object->setImageFile( $filename, $file_temp_name ) == 0)
730  {
731  $picturefile = $filename;
732  }
733  }
734  }
735  $this->object->addAnswer( $answertext,
736  $_POST['choice']['points'][$index],
737  $_POST['choice']['points_unchecked'][$index],
738  $index,
739  $picturefile
740  );
741  }
742  }
743  else
744  {
745  foreach ($_POST['choice']['answer'] as $index => $answer)
746  {
747  $answertext = $answer;
748  $this->object->addAnswer( $answertext,
749  $_POST['choice']['points'][$index],
750  $_POST['choice']['points_unchecked'][$index],
751  $index
752  );
753  }
754  }
755  }
756 
757  public function populateQuestionSpecificFormPart(\ilPropertyFormGUI $form)
758  {
759  // shuffle
760  $shuffle = new ilCheckboxInputGUI($this->lng->txt( "shuffle_answers" ), "shuffle");
761  $shuffle->setValue( 1 );
762  $shuffle->setChecked( $this->object->getShuffle() );
763  $shuffle->setRequired( FALSE );
764  $form->addItem( $shuffle );
765 
766  if ($this->object->getId())
767  {
768  $hidden = new ilHiddenInputGUI("", "ID");
769  $hidden->setValue( $this->object->getId() );
770  $form->addItem( $hidden );
771  }
772 
773  if (!$this->object->getSelfAssessmentEditingMode())
774  {
775  $isSingleline = ($this->object->lastChange == 0 && !array_key_exists( 'types',
776  $_POST
777  )) ? (($this->object->getMultilineAnswerSetting()) ? false : true) : $this->object->isSingleline;
778  // Answer types
779  $types = new ilSelectInputGUI($this->lng->txt( "answer_types" ), "types");
780  $types->setRequired( false );
781  $types->setValue( ($isSingleline) ? 0 : 1 );
782  $types->setOptions( array(
783  0 => $this->lng->txt( 'answers_singleline' ),
784  1 => $this->lng->txt( 'answers_multiline' ),
785  )
786  );
787  $form->addItem( $types );
788  }
789 
790  if ($isSingleline)
791  {
792  // thumb size
793  $thumb_size = new ilNumberInputGUI($this->lng->txt( "thumb_size" ), "thumb_size");
794  $thumb_size->setSuffix($this->lng->txt("thumb_size_unit_pixel"));
795  $thumb_size->setMinValue( 20 );
796  $thumb_size->setDecimals( 0 );
797  $thumb_size->setSize( 6 );
798  $thumb_size->setInfo( $this->lng->txt( 'thumb_size_info' ) );
799  $thumb_size->setValue( $this->object->getThumbSize() );
800  $thumb_size->setRequired( false );
801  $form->addItem( $thumb_size );
802  return $isSingleline;
803  }
804  return $isSingleline;
805  }
806 
807  public function populateAnswerSpecificFormPart(\ilPropertyFormGUI $form)
808  {
809  // Choices
810  include_once "./Modules/TestQuestionPool/classes/class.ilMultipleChoiceWizardInputGUI.php";
811  $choices = new ilMultipleChoiceWizardInputGUI($this->lng->txt( "answers" ), "choice");
812  $choices->setRequired( true );
813  $choices->setQuestionObject( $this->object );
814  $isSingleline = ($this->object->lastChange == 0 && !array_key_exists( 'types',
815  $_POST
816  )) ? (($this->object->getMultilineAnswerSetting()) ? false : true) : $this->object->isSingleline;
817  $choices->setSingleline( $isSingleline );
818  $choices->setAllowMove( false );
819  if ($this->object->getSelfAssessmentEditingMode())
820  {
821  $choices->setSize( 40 );
822  $choices->setMaxLength( 800 );
823  }
824  if ($this->object->getAnswerCount() == 0)
825  $this->object->addAnswer( "", 0, 0, 0 );
826  $choices->setValues( $this->object->getAnswers() );
827  $form->addItem( $choices );
828  }
829 
839  public function getAfterParticipationSuppressionAnswerPostVars()
840  {
841  return array();
842  }
843 
853  public function getAfterParticipationSuppressionQuestionPostVars()
854  {
855  return array();
856  }
857 
866  public function getAggregatedAnswersView($relevant_answers)
867  {
868  return $this->renderAggregateView(
869  $this->aggregateAnswers( $relevant_answers, $this->object->getAnswers() ) )->get();
870  }
871 
872  public function aggregateAnswers($relevant_answers_chosen, $answers_defined_on_question)
873  {
874  $aggregate = array();
875  foreach ($answers_defined_on_question as $answer)
876  {
877  $aggregated_info_for_answer = array();
878  $aggregated_info_for_answer['answertext'] = $answer->getAnswerText();
879  $aggregated_info_for_answer['count_checked'] = 0;
880 
881  foreach ($relevant_answers_chosen as $relevant_answer)
882  {
883  if ($relevant_answer['value1'] == $answer->getOrder())
884  {
885  $aggregated_info_for_answer['count_checked']++;
886  }
887  }
888  $aggregated_info_for_answer['count_unchecked'] =
889  ceil(count($relevant_answers_chosen) / count($answers_defined_on_question))
890  - $aggregated_info_for_answer['count_checked'];
891 
892  $aggregate[] = $aggregated_info_for_answer;
893  }
894  return $aggregate;
895  }
896 
902  public function renderAggregateView($aggregate)
903  {
904  $tpl = new ilTemplate('tpl.il_as_aggregated_answers_table.html', true, true, "Modules/TestQuestionPool");
905 
906  foreach ($aggregate as $line_data)
907  {
908  $tpl->setCurrentBlock( 'aggregaterow' );
909  $tpl->setVariable( 'OPTION', $line_data['answertext'] );
910  $tpl->setVariable( 'COUNT', $line_data['count_checked'] );
911  $tpl->parseCurrentBlock();
912  }
913  return $tpl;
914  }
915 
922  private function populateSpecificFeedbackInline($user_solution, $answer_id, $template)
923  {
924  if($this->object->getSpecificFeedbackSetting() == 2)
925  {
926  foreach($user_solution as $mc_solution)
927  {
928  if(strcmp($mc_solution, $answer_id) == 0)
929  {
930  $fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackTestPresentation($this->object->getId(), $answer_id);
931  if(strlen($fb))
932  {
933  $template->setCurrentBlock("feedback");
934  $template->setVariable("FEEDBACK", $this->object->prepareTextareaOutput($fb, true));
935  $template->parseCurrentBlock();
936  }
937  }
938  }
939  }
940 
941  if($this->object->getSpecificFeedbackSetting() == 1)
942  {
943  $fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackTestPresentation($this->object->getId(), $answer_id);
944  if(strlen($fb))
945  {
946  $template->setCurrentBlock("feedback");
947  $template->setVariable("FEEDBACK", $this->object->prepareTextareaOutput($fb, true));
948  $template->parseCurrentBlock();
949  }
950  }
951 
952  if($this->object->getSpecificFeedbackSetting() == 3)
953  {
954  $answer = $this->object->getAnswer($answer_id);
955 
956  if($answer->getPoints() > 0)
957  {
958  $fb = $this->object->feedbackOBJ->getSpecificAnswerFeedbackTestPresentation($this->object->getId(), $answer_id);
959  if(strlen($fb))
960  {
961  $template->setCurrentBlock("feedback");
962  $template->setVariable("FEEDBACK", $this->object->prepareTextareaOutput($fb, true));
963  $template->parseCurrentBlock();
964  }
965  }
966  }
967  }
968 }