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