global_multiple_answer.class.php 9.4 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. use ChamiloSession as Session;
  4. /**
  5. * Class GlobalMultipleAnswer
  6. */
  7. class GlobalMultipleAnswer extends Question
  8. {
  9. public static $typePicture = 'mcmagl.png';
  10. public static $explanationLangVar = 'GlobalMultipleAnswer';
  11. /**
  12. *
  13. */
  14. public function __construct()
  15. {
  16. parent::__construct();
  17. $this->type = GLOBAL_MULTIPLE_ANSWER;
  18. $this->isContent = $this->getIsContent();
  19. }
  20. /**
  21. * function which redefines Question::createAnswersForm
  22. * @param FormValidator $form
  23. */
  24. public function createAnswersForm($form)
  25. {
  26. $nb_answers = isset($_POST['nb_answers']) ? $_POST['nb_answers'] : 4;
  27. $nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
  28. $obj_ex = Session::read('objExercise');
  29. /* Mise en variable de Affichage "Reponses" et son icone, "N�", "Vrai", "Reponse" */
  30. $html = '<table class="data_table">
  31. <tr>
  32. <th width="10px">
  33. ' . get_lang('Number') . '
  34. </th>
  35. <th width="10px">
  36. ' . get_lang('True') . '
  37. </th>
  38. <th width="50%">
  39. ' . get_lang('Answer') . '
  40. </th>';
  41. $html .='<th>' . get_lang('Comment') . '</th>';
  42. $html .='</tr>';
  43. $form->addElement(
  44. 'label',
  45. get_lang('Answers') .
  46. '<br /> '.Display::return_icon('fill_field.png'),
  47. $html
  48. );
  49. $defaults = array();
  50. $correct = 0;
  51. $answer = false;
  52. if (!empty($this->id)) {
  53. $answer = new Answer($this->id);
  54. $answer->read();
  55. if (count($answer->nbrAnswers) > 0 && !$form->isSubmitted()) {
  56. $nb_answers = $answer->nbrAnswers;
  57. }
  58. }
  59. #le nombre de r�ponses est bien enregistr� sous la forme int(nb)
  60. /* Ajout mise en forme nb reponse */
  61. $form->addElement('hidden', 'nb_answers');
  62. $boxes_names = array();
  63. /* V�rification : Cr�action d'au moins une r�ponse */
  64. if ($nb_answers < 1) {
  65. $nb_answers = 1;
  66. Display::display_normal_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
  67. }
  68. //D�but affichage score global dans la modification d'une question
  69. $scoreA = "0"; //par reponse
  70. $scoreG = "0"; //Global
  71. /* boucle pour sauvegarder les donn�es dans le tableau defaults */
  72. for ($i = 1; $i <= $nb_answers; ++$i) {
  73. /* si la reponse est de type objet */
  74. if (is_object($answer)) {
  75. $defaults['answer[' . $i . ']'] = $answer->answer[$i];
  76. $defaults['comment[' . $i . ']'] = $answer->comment[$i];
  77. $defaults['correct[' . $i . ']'] = $answer->correct[$i];
  78. // start
  79. $scoreA = $answer->weighting[$i];
  80. }
  81. if ($scoreA > 0) {
  82. $scoreG = $scoreG + $scoreA;
  83. }
  84. //------------- Fin
  85. //------------- Debut si un des scores par reponse est egal � 0 : la coche vaut 1 (coch�)
  86. if ($scoreA == 0) {
  87. $defaults['pts'] = 1;
  88. }
  89. $renderer = & $form->defaultRenderer();
  90. $renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'correct['.$i.']');
  91. $renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'counter['.$i.']');
  92. $renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'answer['.$i.']');
  93. $renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'comment['.$i.']');
  94. //$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'weighting['.$i.']');
  95. $answer_number = $form->addElement('text', 'counter[' . $i . ']', null, 'value="' . $i . '"');
  96. $answer_number->freeze();
  97. $form->addElement('checkbox', 'correct[' . $i . ']', null, null, 'class="checkbox"');
  98. $boxes_names[] = 'correct[' . $i . ']';
  99. $form->addElement('html_editor', 'answer[' . $i . ']', null, array(), array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100'));
  100. $form->addRule('answer[' . $i . ']', get_lang('ThisFieldIsRequired'), 'required');
  101. $form->addElement('html_editor', 'comment[' . $i . ']', null, array(), array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100'));
  102. $form->addElement('html', '</tr>');
  103. }
  104. //--------- Mise en variable du score global lors d'une modification de la question/r�ponse
  105. $defaults['weighting[1]'] = (round($scoreG));
  106. $form->addElement('html', '</div></div></table>');
  107. //$form -> addElement ('html', '<br />');
  108. $form->add_multiple_required_rule($boxes_names, get_lang('ChooseAtLeastOneCheckbox'), 'multiple_required');
  109. //only 1 answer the all deal ...
  110. $form->addElement('text', 'weighting[1]', get_lang('Score'));
  111. //--------- Creation coche pour ne pas prendre en compte les n�gatifs
  112. $form->addElement('checkbox', 'pts', '', get_lang('NoNegativeScore'));
  113. $form->addElement('html', '<br />');
  114. // Affiche un message si le score n'est pas renseign�
  115. $form->addRule('weighting[1]', get_lang('ThisFieldIsRequired'), 'required');
  116. global $text, $class;
  117. if ($obj_ex->edit_exercise_in_lp == true) {
  118. $form->addButtonDelete(get_lang('LessAnswer'), 'lessAnswers');
  119. $form->addButtonCreate(get_lang('PlusAnswer'), 'moreAnswers');
  120. $form->addButtonSave($text, 'submitQuestion');
  121. // setting the save button here and not in the question class.php
  122. }
  123. $renderer->setElementTemplate('{element}&nbsp;', 'lessAnswers');
  124. $renderer->setElementTemplate('{element}&nbsp;', 'submitQuestion');
  125. $renderer->setElementTemplate('{element}', 'moreAnswers');
  126. $form->addElement('html', '</div></div>');
  127. $defaults['correct'] = $correct;
  128. if (!empty($this->id)) {
  129. $form->setDefaults($defaults);
  130. } else {
  131. if ($this->isContent == 1) {
  132. $form->setDefaults($defaults);
  133. }
  134. }
  135. $form->setConstants(array('nb_answers' => $nb_answers));
  136. }
  137. /**
  138. * abstract function which creates the form to create / edit the answers of the question
  139. * @param FormValidator $form
  140. */
  141. function processAnswersCreation($form)
  142. {
  143. $questionWeighting = $nbrGoodAnswers = 0;
  144. $objAnswer = new Answer($this->id);
  145. $nb_answers = $form->getSubmitValue('nb_answers');
  146. // Score total
  147. $answer_score = trim($form->getSubmitValue('weighting[1]'));
  148. // Reponses correctes
  149. $nbr_corrects = 0;
  150. for ($i = 1; $i <= $nb_answers; $i++) {
  151. $goodAnswer = trim($form->getSubmitValue('correct[' . $i . ']'));
  152. if ($goodAnswer) {
  153. $nbr_corrects++;
  154. }
  155. }
  156. // Set question weighting (score total)
  157. $questionWeighting = $answer_score;
  158. // Set score per answer
  159. $nbr_corrects = $nbr_corrects == 0 ? 1 : $nbr_corrects;
  160. $answer_score = $nbr_corrects == 0 ? 0 : $answer_score;
  161. $answer_score = ($answer_score / $nbr_corrects);
  162. //$answer_score �quivaut � la valeur d'une bonne r�ponse
  163. // cr�ation variable pour r�cuperer la valeur de la coche pour la prise en compte des n�gatifs
  164. $test = $form->getSubmitValue('pts');
  165. for ($i = 1; $i <= $nb_answers; $i++) {
  166. $answer = trim($form->getSubmitValue('answer[' . $i . ']'));
  167. $comment = trim($form->getSubmitValue('comment[' . $i . ']'));
  168. $goodAnswer = trim($form->getSubmitValue('correct[' . $i . ']'));
  169. if ($goodAnswer) {
  170. $weighting = abs($answer_score);
  171. } else {
  172. if ($test == 1) {
  173. $weighting = 0;
  174. } else {
  175. $weighting = -abs($answer_score);
  176. }
  177. }
  178. $objAnswer->createAnswer($answer, $goodAnswer, $comment, $weighting, $i);
  179. }
  180. // saves the answers into the data base
  181. $objAnswer->save();
  182. // sets the total weighting of the question --> sert � donner le score total pendant l'examen
  183. $this->updateWeighting($questionWeighting);
  184. $this->save();
  185. }
  186. public function return_header(
  187. $feedback_type = null,
  188. $counter = null,
  189. $score = null
  190. ) {
  191. $header = parent::return_header($feedback_type, $counter, $score);
  192. $header .= '<table class="'.$this->question_table_class .'">
  193. <tr>
  194. <th>' . get_lang("Choice") . '</th>
  195. <th>' . get_lang("ExpectedChoice") . '</th>
  196. <th>' . get_lang("Answer") . '</th>';
  197. $header .= '<th>' . get_lang('Status') . '</th>';
  198. $header .= '<th>' . get_lang("Comment") . '</th>';
  199. $header .= '</tr>';
  200. return $header;
  201. }
  202. }