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<?php
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/* For licensing terms, see /license.txt */
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class GlobalMultipleAnswer extends Question {
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static $typePicture = 'mcmagl.gif';
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static $explanationLangVar = 'GlobalMultipleAnswer';
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/* Constructor */
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function GlobalMultipleAnswer() {
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parent::question();
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$this->type = GLOBAL_MULTIPLE_ANSWER;
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$this->isContent = $this->getIsContent();
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}
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/**
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* function which redifines Question::createAnswersForm
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* @param the formvalidator instance
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* @param the answers number to display
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*/
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function createAnswersForm($form) {
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$nb_answers = isset($_POST['nb_answers']) ? $_POST['nb_answers'] : 4;
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$nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
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$obj_ex = $_SESSION['objExercise'];
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/* Mise en variable de Affichage "Reponses" et son icone, "N<EFBFBD>", "Vrai", "Reponse" */
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$html = '<table class="data_table">
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<tr>
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<th width="10px">
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' . get_lang('Number') . '
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</th>
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<th width="10px">
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' . get_lang('True') . '
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</th>
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<th width="50%">
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' . get_lang('Answer') . '
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</th>';
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// Espace entre l'entete et les r<EFBFBD>ponses
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if ($obj_ex->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_EXAM) {
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$html .='<th>' . get_lang('Comment') . '</th>';
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}
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$html .='</tr>';
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$form->addElement('label', get_lang('Answers') . '<br /> <img src="../img/fill_field.png">', $html);
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/* Initialiation variable */
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$defaults = array();
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$correct = 0;
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/* Mise en variable du nombre de reponse */
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if (!empty($this->id)) {
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$answer = new Answer($this->id);
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$answer->read();
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if (count($answer->nbrAnswers) > 0 && !$form->isSubmitted()) {
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$nb_answers = $answer->nbrAnswers;
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}
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}
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#le nombre de r<EFBFBD>ponses est bien enregistr<EFBFBD> sous la forme int(nb)
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/* Ajout mise en forme nb reponse */
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$form->addElement('hidden', 'nb_answers');
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$boxes_names = array();
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/* V<EFBFBD>rification : Cr<EFBFBD>action d'au moins une r<EFBFBD>ponse */
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if ($nb_answers < 1) {
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$nb_answers = 1;
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Display::display_normal_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
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}
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//D<EFBFBD>but affichage score global dans la modification d'une question
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$scoreA = "0"; //par reponse
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$scoreG = "0"; //Global
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/* boucle pour sauvegarder les donn<EFBFBD>es dans le tableau defaults */
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for ($i = 1; $i <= $nb_answers; ++$i) {
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/* si la reponse est de type objet */
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if (is_object($answer)) {
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$defaults['answer[' . $i . ']'] = $answer->answer[$i];
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$defaults['comment[' . $i . ']'] = $answer->comment[$i];
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$defaults['correct[' . $i . ']'] = $answer->correct[$i];
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//------------- D<EFBFBD>but
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$scoreA = $answer->weighting[$i];
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}
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if ($scoreA > 0) {
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$scoreG = $scoreG + $scoreA;
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}
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//------------- Fin
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//------------- Debut si un des scores par reponse est egal <EFBFBD> 0 : la coche vaut 1 (coch<EFBFBD>)
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if ($scoreA == 0)
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$defaults['pts'] = 1;
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else
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$defaults['pts'] = 0;
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$renderer = & $form->defaultRenderer();
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$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'correct['.$i.']');
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$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'counter['.$i.']');
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$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'answer['.$i.']');
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$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'comment['.$i.']');
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//$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'weighting['.$i.']');
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$answer_number = $form->addElement('text', 'counter[' . $i . ']', null, 'value="' . $i . '"');
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$answer_number->freeze();
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$form->addElement('checkbox', 'correct[' . $i . ']', null, null, 'class="checkbox"');
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$boxes_names[] = 'correct[' . $i . ']';
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$form->addElement('html_editor', 'answer[' . $i . ']', null, 'style="vertical-align:middle"', array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100'));
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$form->addRule('answer[' . $i . ']', get_lang('ThisFieldIsRequired'), 'required');
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// show comment when feedback is enable
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if ($obj_ex->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_EXAM) {
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$form->addElement('html_editor', 'comment[' . $i . ']', null, 'style="vertical-align:middle"', array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100'));
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}
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$form->addElement('html', '</tr>');
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}
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//--------- Mise en variable du score global lors d'une modification de la question/r<EFBFBD>ponse
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$defaults['weighting[1]'] = (round($scoreG));
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$form->addElement('html', '</div></div></table>');
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//$form -> addElement ('html', '<br />');
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$form->add_multiple_required_rule($boxes_names, get_lang('ChooseAtLeastOneCheckbox'), 'multiple_required');
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//only 1 answer the all deal ...
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$form->addElement('text', 'weighting[1]', get_lang('Score'));
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global $pts;
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//--------- Creation coche pour ne pas prendre en compte les n<EFBFBD>gatifs
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$form->addElement('checkbox', 'pts', '', get_lang('NoNegativeScore'));
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$form->addElement('html', '<br />');
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// Affiche un message si le score n'est pas renseign<EFBFBD>
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$form->addRule('weighting[1]', get_lang('ThisFieldIsRequired'), 'required');
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$navigator_info = api_get_navigator();
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global $text, $class;
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//ie6 fix
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if ($obj_ex->edit_exercise_in_lp == true) {
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if ($navigator_info['name'] == 'Internet Explorer' && $navigator_info['version'] == '6') {
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$form->addElement('submit', 'lessAnswers', get_lang('LessAnswer'), 'class="minus"');
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$form->addElement('submit', 'moreAnswers', get_lang('PlusAnswer'), 'class="plus"');
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$form->addElement('submit', 'submitQuestion', $text, 'class="' . $class . '"');
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} else {
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$form->addElement('style_submit_button', 'lessAnswers', get_lang('LessAnswer'), 'class="minus"');
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$form->addElement('style_submit_button', 'moreAnswers', get_lang('PlusAnswer'), 'class="plus"');
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$form->addElement('style_submit_button', 'submitQuestion', $text, 'class="' . $class . '"');
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// setting the save button here and not in the question class.php
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}
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}
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$renderer->setElementTemplate('{element} ', 'lessAnswers');
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$renderer->setElementTemplate('{element} ', 'submitQuestion');
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$renderer->setElementTemplate('{element}', 'moreAnswers');
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$form->addElement('html', '</div></div>');
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$defaults['correct'] = $correct;
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if (!empty($this->id)) {
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$form->setDefaults($defaults);
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} else {
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if ($this->isContent == 1) {
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$form->setDefaults($defaults);
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}
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}
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$form->setConstants(array('nb_answers' => $nb_answers));
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}
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/**
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* abstract function which creates the form to create / edit the answers of the question
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* @param the formvalidator instance
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* @param the answers number to display
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*/
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function processAnswersCreation($form) {
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$questionWeighting = $nbrGoodAnswers = 0;
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$objAnswer = new Answer($this->id);
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$nb_answers = $form->getSubmitValue('nb_answers');
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// Score total
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$answer_score = trim($form->getSubmitValue('weighting[1]'));
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// Reponses correctes
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$nbr_corrects = 0;
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for ($i = 1; $i <= $nb_answers; $i++) {
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$goodAnswer = trim($form->getSubmitValue('correct[' . $i . ']'));
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if ($goodAnswer) {
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$nbr_corrects++;
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}
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}
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// Set question weighting (score total)
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$questionWeighting = $answer_score;
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// Set score per answer
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$nbr_corrects = $nbr_corrects == 0 ? 1 : $nbr_corrects;
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$answer_score = $nbr_corrects == 0 ? 0 : $answer_score;
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$answer_score = ($answer_score / $nbr_corrects);
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//$answer_score <EFBFBD>quivaut <EFBFBD> la valeur d'une bonne r<EFBFBD>ponse
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// cr<EFBFBD>ation variable pour r<EFBFBD>cuperer la valeur de la coche pour la prise en compte des n<EFBFBD>gatifs
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$test = "";
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$test = $form->getSubmitValue('pts');
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for ($i = 1; $i <= $nb_answers; $i++) {
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$answer = trim($form->getSubmitValue('answer[' . $i . ']'));
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$comment = trim($form->getSubmitValue('comment[' . $i . ']'));
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$goodAnswer = trim($form->getSubmitValue('correct[' . $i . ']'));
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if ($goodAnswer) {
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$weighting = abs($answer_score);
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} else {
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if ($test == 1) {
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$weighting = 0;
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}else
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$weighting = -abs($answer_score);
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}
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$objAnswer->createAnswer($answer, $goodAnswer, $comment, $weighting, $i);
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}
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// saves the answers into the data base
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$objAnswer->save();
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// sets the total weighting of the question --> sert <EFBFBD> donner le score total pendant l'examen
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$this->updateWeighting($questionWeighting);
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$this->save();
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}
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function return_header($feedback_type = null, $counter = null, $score = null, $show_media = false) {
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$header = parent::return_header($feedback_type, $counter, $score, $show_media);
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$header .= '<table class="'.$this->question_table_class .'">
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<tr>
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<th>' . get_lang("Choice") . '</th>
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<th>' . get_lang("ExpectedChoice") . '</th>
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<th>' . get_lang("Answer") . '</th>';
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if ($feedback_type != EXERCISE_FEEDBACK_TYPE_EXAM) {
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$header .= '<th>' . get_lang("Comment") . '</th>';
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} else {
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$header .= '<th> </th>';
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}
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$header .= '</tr>';
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return $header;
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}
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} |
