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417 lines
14 KiB
417 lines
14 KiB
<?php
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/* For licensing terms, see /license.txt */
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use ChamiloSession as Session;
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/**
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* Class UniqueAnswerNoOption
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* Allows to instantiate an object of type UNIQUE_ANSWER (MULTIPLE CHOICE, UNIQUE ANSWER),
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* extending the class question.
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*
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* @author Eric Marguin
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* @author Julio Montoya
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*/
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class UniqueAnswerNoOption extends Question
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{
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public $typePicture = 'mcuao.png';
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public $explanationLangVar = 'Unique answer with unknown';
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/**
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* Constructor.
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*/
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public function __construct()
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{
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parent::__construct();
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$this->type = UNIQUE_ANSWER_NO_OPTION;
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$this->isContent = $this->getIsContent();
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}
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public function createAnswersForm($form)
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{
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// getting the exercise list
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$obj_ex = Session::read('objExercise');
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$editor_config = [
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'ToolbarSet' => 'TestProposedAnswer',
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'Width' => '100%',
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'Height' => '125',
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];
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// This line define how many question by default appear when creating a choice question
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// The previous default value was 2. See task #1759.
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$nb_answers = isset($_POST['nb_answers']) ? (int) $_POST['nb_answers'] : 3;
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$nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
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/*
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Types of Feedback
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$feedback_option[0]=get_lang('Feedback');
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$feedback_option[1]=get_lang('Adaptative test with immediate feedback');
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$feedback_option[2]=get_lang('Exam (no feedback)');
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*/
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$feedback_title = '';
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if (1 == $obj_ex->getFeedbackType()) {
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$editor_config['Width'] = '250';
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$editor_config['Height'] = '110';
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$comment_title = '<th width="50%" >'.get_lang('Comment').'</th>';
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$feedback_title = '<th width="50%" >'.get_lang('Scenario').'</th>';
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} else {
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$comment_title = '<th width="50%">'.get_lang('Comment').'</th>';
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}
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$html = '<table class="table table-striped table-hover">';
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$html .= '<thead>';
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$html .= '<tr>';
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$html .= '<th>'.get_lang('N°').'</th>';
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$html .= '<th>'.get_lang('True').'</th>';
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$html .= '<th width="50%">'.get_lang('Answer').'</th>';
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$html .= $comment_title.$feedback_title;
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$html .= '<th>'.get_lang('Score').'</th>';
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$html .= '</tr>';
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$html .= '</thead>';
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$html .= '<tbody>';
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$form->addHeader(get_lang('Answers'));
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$form->addHtml($html);
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$defaults = [];
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$correct = 0;
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$answer = false;
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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 ($answer->nbrAnswers > 0 && !$form->isSubmitted()) {
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$nb_answers = $answer->nbrAnswers;
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}
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}
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$temp_scenario = [];
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if ($nb_answers < 1) {
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$nb_answers = 1;
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echo Display::return_message(get_lang('You have to create at least one answer'));
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}
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$editQuestion = isset($_GET['editQuestion']) ? $_GET['editQuestion'] : false;
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if ($editQuestion) {
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//fixing $nb_answers
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$new_list = [];
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$count = 1;
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if (isset($_POST['lessAnswers'])) {
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if (!isset($_SESSION['less_answer'])) {
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$_SESSION['less_answer'] = $this->id;
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$nb_answers--;
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}
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}
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for ($k = 1; $k <= $nb_answers; $k++) {
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if ('666' != $answer->position[$k]) {
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$new_list[$count] = $count;
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$count++;
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}
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}
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} else {
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for ($k = 1; $k <= $nb_answers; $k++) {
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$new_list[$k] = $k;
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}
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}
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foreach ($new_list as $key) {
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$i = $key;
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$form->addElement('html', '<tr>');
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if (is_object($answer)) {
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if (666 == $answer->position[$i]) {
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//we set nothing
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} else {
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if ($answer->correct[$i]) {
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$correct = $i;
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}
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$answer_result = $answer->answer[$i];
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$weight_result = float_format($answer->weighting[$i], 1);
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if ($nb_answers == $i) {
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$weight_result = '0';
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}
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$defaults['answer['.$i.']'] = $answer_result;
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$defaults['comment['.$i.']'] = $answer->comment[$i];
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$defaults['weighting['.$i.']'] = $weight_result;
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$item_list = explode('@@', $answer->destination[$i]);
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$try = $item_list[0];
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$lp = $item_list[1];
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$list_dest = $item_list[2];
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$url = $item_list[3];
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if (0 == $try) {
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$try_result = 0;
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} else {
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$try_result = 1;
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}
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if (0 == $url) {
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$url_result = '';
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} else {
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$url_result = $url;
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}
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$temp_scenario['url'.$i] = $url_result;
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$temp_scenario['try'.$i] = $try_result;
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$temp_scenario['lp'.$i] = $lp;
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$temp_scenario['destination'.$i] = $list_dest;
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}
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}
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$defaults['scenario'] = $temp_scenario;
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$renderer = &$form->defaultRenderer();
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'correct'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'counter['.$i.']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'answer['.$i.']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'comment['.$i.']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'weighting['.$i.']'
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);
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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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$form->addElement(
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'radio',
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'correct',
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null,
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null,
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$i,
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['class' => 'checkbox', 'style' => 'margin-left: 0em;']
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);
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$form->addElement('html_editor', 'answer['.$i.']', null, [], $editor_config);
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$form->addElement('html_editor', 'comment['.$i.']', null, [], $editor_config);
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$form->addElement('text', 'weighting['.$i.']', null, ['style' => 'width: 60px;', 'value' => '0']);
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$form->addElement('html', '</tr>');
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$i++;
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}
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if (empty($this->id)) {
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$form->addElement('hidden', 'new_question', 1);
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}
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//Adding the "I don't know" question answer
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//if (empty($this -> id)) {
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$i = 666;
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$form->addHtml('<tr>');
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$defaults["counter[$i]"] = '-';
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$defaults['answer['.$i.']'] = get_lang('Don\'t know');
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$defaults['weighting['.$i.']'] = '0';
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$defaults['scenario'] = $temp_scenario;
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$renderer = &$form->defaultRenderer();
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'correct'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'counter['.$i.']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'answer['.$i.']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'comment['.$i.']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'weighting['.$i.']'
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);
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$form
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->addElement('text', 'counter['.$i.']', null)
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->freeze();
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$form->addElement('hidden', 'position['.$i.']', '666');
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$form->addElement('radio', 'correct', null, null, $i, ['class' => 'checkbox', 'disabled' => true]);
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$form->addElement('html_editor', 'answer['.$i.']', null, [], $editor_config);
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$form->addRule('answer['.$i.']', get_lang('Required field'), 'required');
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$form->addElement('html_editor', 'comment['.$i.']', null, [], $editor_config);
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$form->addElement('text', "weighting[$i]", null)->freeze();
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$form->addHTml('</tr>');
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$form->addHtml('</tbody></table>');
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$buttonGroup = [];
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global $text;
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//ie6 fix
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if (true == $obj_ex->edit_exercise_in_lp ||
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(empty($this->exerciseList) && empty($obj_ex->id))
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) {
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//setting the save button here and not in the question class.php
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$buttonGroup[] = $form->addButtonDelete(get_lang('Remove answer option'), 'lessAnswers', true);
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$buttonGroup[] = $form->addButtonCreate(get_lang('Add answer option'), 'moreAnswers', true);
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$buttonGroup[] = $form->addButtonSave($text, 'submitQuestion', true);
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$form->addGroup($buttonGroup);
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}
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//We check the first radio button to be sure a radio button will be check
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if (0 == $correct) {
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$correct = 1;
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}
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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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$form->setDefaults($defaults);
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}
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$form->addElement('hidden', 'nb_answers');
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$form->setConstants(['nb_answers' => $nb_answers]);
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}
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public function processAnswersCreation($form, $exercise)
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{
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$questionWeighting = $nbrGoodAnswers = 0;
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$correct = $form->getSubmitValue('correct');
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$objAnswer = new Answer($this->id);
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$nb_answers = $form->getSubmitValue('nb_answers');
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$minus = 1;
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if ($form->getSubmitValue('new_question')) {
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$minus = 0;
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}
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for ($i = 1; $i <= $nb_answers - $minus; $i++) {
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$position = trim($form->getSubmitValue('position['.$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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$weighting = trim($form->getSubmitValue('weighting['.$i.']'));
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$scenario = $form->getSubmitValue('scenario');
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$try = $scenario['try'.$i];
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$lp = $scenario['lp'.$i];
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$destination = $scenario['destination'.$i];
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$url = trim($scenario['url'.$i]);
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/*
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How we are going to parse the destination value
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here we parse the destination value which is a string
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1@@3@@2;4;4;@@http://www.chamilo.org
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where: try_again@@lp_id@@selected_questions@@url
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try_again = is 1 || 0
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lp_id = id of a learning path (0 if dont select)
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selected_questions= ids of questions
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url= an url
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*/
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/*
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$destination_str='';
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foreach ($list_destination as $destination_id)
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{
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$destination_str.=$destination_id.';';
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}*/
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$goodAnswer = $correct == $i ? true : false;
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if ($goodAnswer) {
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$nbrGoodAnswers++;
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$weighting = abs($weighting);
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if ($weighting > 0) {
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$questionWeighting += $weighting;
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}
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}
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if (empty($try)) {
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$try = 0;
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}
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if (empty($lp)) {
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$lp = 0;
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}
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if (empty($destination)) {
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$destination = 0;
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}
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if ('' == $url) {
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$url = 0;
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}
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//1@@1;2;@@2;4;4;@@http://www.chamilo.org
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$dest = $try.'@@'.$lp.'@@'.$destination.'@@'.$url;
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$objAnswer->createAnswer(
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$answer,
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$goodAnswer,
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$comment,
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$weighting,
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$i,
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null,
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null,
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$dest
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);
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}
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//Create 666 answer
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$i = 666;
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$answer = trim($form->getSubmitValue('answer['.$i.']'));
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$comment = trim($form->getSubmitValue('comment['.$i.']'));
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$weighting = trim($form->getSubmitValue('weighting['.$i.']'));
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$goodAnswer = $correct == $i ? true : false;
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$dest = '';
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$objAnswer->createAnswer(
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$answer,
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$goodAnswer,
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$comment,
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$weighting,
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$i,
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null,
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null,
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$dest
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);
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// saves the answers into the data base
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$objAnswer->save();
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// sets the total weighting of the question
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$this->updateWeighting($questionWeighting);
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$this->save($exercise);
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}
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public function return_header(Exercise $exercise, $counter = null, $score = [])
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{
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$header = parent::return_header($exercise, $counter, $score);
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$header .= '<table class="'.$this->question_table_class.'"><tr>';
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if (!in_array($exercise->results_disabled, [
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RESULT_DISABLE_SHOW_ONLY_IN_CORRECT_ANSWER,
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])
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) {
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$header .= '<th>'.get_lang('Your choice').'</th>';
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if ($exercise->showExpectedChoiceColumn()) {
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$header .= '<th>'.get_lang('ExpectedYour choice').'</th>';
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}
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}
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$header .= '<th>'.get_lang('Answer').'</th>';
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if ($exercise->showExpectedChoice()) {
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$header .= '<th>'.get_lang('Status').'</th>';
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}
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$header .= '<th>'.get_lang('Comment').'</th>';
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$header .= '</tr>';
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return $header;
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}
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}
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