public/main/exercise/global_multiple_answer.class.php
<?php
/* For licensing terms, see /license.txt */
use ChamiloSession as Session;
/**
* Class GlobalMultipleAnswer.
*/
class GlobalMultipleAnswer extends Question
{
public $typePicture = 'mcmagl.png';
public $explanationLangVar = 'Global multiple answer';
public function __construct()
{
parent::__construct();
$this->type = GLOBAL_MULTIPLE_ANSWER;
$this->isContent = $this->getIsContent();
}
public function createAnswersForm($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::read('objExercise');
$form->addHeader(get_lang('Answers'));
/* Mise en variable de Affichage "Reponses" et son icone, "N�", "Vrai", "Reponse" */
$html = '<table class="table table-striped table-hover">
<tr>
<th width="10px">'.get_lang('Number').'</th>
<th width="10px">'.get_lang('True').'</th>
<th width="50%">'.get_lang('Answer').'</th>
<th width="50%">'.get_lang('Comment').'</th>
</tr>
';
$form->addHtml($html);
$defaults = [];
$correct = 0;
$answer = false;
if (!empty($this->id)) {
$answer = new Answer($this->id);
$answer->read();
if ($answer->nbrAnswers > 0 && !$form->isSubmitted()) {
$nb_answers = $answer->nbrAnswers;
}
}
// le nombre de r�ponses est bien enregistr� sous la forme int(nb)
/* Ajout mise en forme nb reponse */
$form->addElement('hidden', 'nb_answers');
$boxes_names = [];
if ($nb_answers < 1) {
$nb_answers = 1;
echo Display::return_message(get_lang('You have to create at least one answer'), 'normal');
}
//D�but affichage score global dans la modification d'une question
$scoreA = 0; //par reponse
$scoreG = 0; //Global
/* boucle pour sauvegarder les donn�es dans le tableau defaults */
for ($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 � 0 : la coche vaut 1 (coch�)
if (0 == $scoreA) {
$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.']'
);
$answer_number = $form->addElement(
'text',
'counter['.$i.']',
null,
'value="'.$i.'"'
);
$answer_number->freeze();
$form->addCheckBox('correct['.$i.']', null);
$boxes_names[] = 'correct['.$i.']';
$form->addHtmlEditor(
'answer['.$i.']',
null,
true,
false,
[
'ToolbarSet' => 'TestProposedAnswer',
'Width' => '100%',
'Height' => '100',
]
);
$form->addRule('answer['.$i.']', get_lang('Required field'), 'required');
$form->addHtmlEditor(
'comment['.$i.']',
null,
true,
false,
[
'ToolbarSet' => 'TestProposedAnswer',
'Width' => '100%',
'Height' => '100',
]
);
$form->addElement('html', '</tr>');
}
//--------- Mise en variable du score global lors d'une modification de la question/r�ponse
$defaults['weighting[1]'] = round($scoreG);
$form->addElement('html', '</div></div></table>');
$form->add_multiple_required_rule(
$boxes_names,
get_lang('Choose at least one good answer'),
'multiple_required'
);
//only 1 answer the all deal ...
$form->addElement('text', 'weighting[1]', get_lang('Score'));
//--------- Creation coche pour ne pas prendre en compte les n�gatifs
$form->addCheckBox('pts', '', get_lang('No negative score'));
$form->addHtml('html', '<br />');
// Affiche un message si le score n'est pas renseign�
$form->addRule('weighting[1]', get_lang('Required field'), 'required');
global $text;
if ($obj_ex->edit_exercise_in_lp ||
(empty($this->exerciseList) && empty($obj_ex->id))
) {
// setting the save button here and not in the question class.php
$form->addButtonDelete(get_lang('Remove answer option'), 'lessAnswers');
$form->addButtonCreate(get_lang('Add answer option'), 'moreAnswers');
$form->addButtonSave($text, 'submitQuestion');
}
$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 (1 == $this->isContent) {
$form->setDefaults($defaults);
}
}
$form->setConstants(['nb_answers' => $nb_answers]);
}
public function processAnswersCreation($form, $exercise)
{
$objAnswer = new Answer($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 = 0 == $nbr_corrects ? 1 : $nbr_corrects;
$answer_score = 0 == $nbr_corrects ? 0 : $answer_score;
$answer_score /= $nbr_corrects;
//$answer_score �quivaut � la valeur d'une bonne r�ponse
// cr�ation variable pour r�cuperer la valeur de la coche pour la prise en compte des n�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 (1 == $test) {
$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 � donner le score total pendant l'examen
$this->updateWeighting($questionWeighting);
$this->save($exercise);
}
public function return_header(Exercise $exercise, $counter = null, $score = [])
{
$header = parent::return_header($exercise, $counter, $score);
$header .= '<table class="'.$this->questionTableClass.'"><tr>';
if (!in_array($exercise->results_disabled, [RESULT_DISABLE_SHOW_ONLY_IN_CORRECT_ANSWER])) {
$header .= '<th>'.get_lang('Your choice').'</th>';
if ($exercise->showExpectedChoiceColumn()) {
$header .= '<th>'.get_lang('Expected choice').'</th>';
}
}
$header .= '<th>'.get_lang('Answer').'</th>';
if ($exercise->showExpectedChoice()) {
$header .= '<thclass="text-center">'.get_lang('Status').'</th>';
}
$header .= '<th>'.get_lang('Comment').'</th>';
$header .= '</tr>';
return $header;
}
}