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457 lines
15 KiB
457 lines
15 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 UniqueAnswer.
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*
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* This class allows to instantiate an object of type UNIQUE_ANSWER
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* (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 UniqueAnswer extends Question
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{
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public $typePicture = 'mcua.png';
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public $explanationLangVar = 'Multiple choice';
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public function __construct()
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{
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parent::__construct();
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$this->type = UNIQUE_ANSWER;
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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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/** @var Exercise $obj_ex */
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$obj_ex = Session::read('objExercise');
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$editor_config = [
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'ToolbarSet' => 'TestProposedAnswer',
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'Width' => '100%',
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'Height' => '125',
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];
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//this line defines how many questions by default appear when creating a choice question
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// The previous default value was 2. See task #1759.
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$nb_answers = isset($_POST['nb_answers']) ? (int) $_POST['nb_answers'] : 4;
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$nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
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$feedback_title = '';
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switch ($obj_ex->getFeedbackType()) {
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case EXERCISE_FEEDBACK_TYPE_DIRECT:
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// Scenario
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$comment_title = '<th width="20%">'.get_lang('Comment').'</th>';
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$feedback_title = '<th width="20%">'.get_lang('Scenario').'</th>';
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break;
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case EXERCISE_FEEDBACK_TYPE_POPUP:
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$comment_title = '<th width="20%">'.get_lang('Comment').'</th>';
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break;
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default:
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$comment_title = '<th width="40%">'.get_lang('Comment').'</th>';
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break;
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}
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$html = '<table class="table table-striped table-hover">
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<thead>
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<tr style="text-align: center;">
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<th width="5%">'.get_lang('N°').'</th>
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<th width="5%"> '.get_lang('True').'</th>
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<th width="40%">'.get_lang('Answer').'</th>
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'.$comment_title.'
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'.$feedback_title.'
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<th width="10%">'.get_lang('Score').'</th>
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</tr>
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</thead>
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<tbody>';
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$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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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 = $answer->nbrAnswers;
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}
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}
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$form->addHidden('nb_answers', $nb_answers);
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$obj_ex->setQuestionList(true);
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$question_list = $obj_ex->getQuestionList();
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$select_question = [];
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$select_question[0] = get_lang('Select target question');
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if (is_array($question_list)) {
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foreach ($question_list as $key => $questionid) {
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//To avoid warning messages
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if (!is_numeric($questionid)) {
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continue;
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}
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$question = Question::read($questionid);
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$questionTitle = strip_tags($question->selectTitle());
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$select_question[$questionid] = "Q$key: $questionTitle";
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}
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}
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$select_question[-1] = get_lang('Exit test');
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$list = new LearnpathList(api_get_user_id());
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$flat_list = $list->get_flat_list();
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$select_lp_id = [];
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$select_lp_id[0] = get_lang('Select target course');
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foreach ($flat_list as $id => $details) {
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$select_lp_id[$id] = cut($details['lp_name'], 20);
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}
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$temp_scenario = [];
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if ($nb_answers < 1) {
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$nb_answers = 1;
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echo Display::return_message(get_lang('You have to create at least one answer'));
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}
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for ($i = 1; $i <= $nb_answers; $i++) {
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$form->addHtml('<tr>');
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if (isset($answer) && is_object($answer)) {
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if (isset($answer->correct[$i]) && $answer->correct[$i]) {
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$correct = $i;
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}
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$defaults['answer['.$i.']'] = isset($answer->answer[$i]) ? $answer->answer[$i] : '';
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$defaults['comment['.$i.']'] = isset($answer->comment[$i]) ? $answer->comment[$i] : '';
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$defaults['weighting['.$i.']'] = isset($answer->weighting[$i]) ? float_format($answer->weighting[$i], 1) : 0;
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$item_list = [];
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if (isset($answer->destination[$i])) {
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$item_list = explode('@@', $answer->destination[$i]);
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}
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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] = $list_dest;
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} else {
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$defaults['answer[1]'] = get_lang('A then B then C');
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$defaults['weighting[1]'] = 10;
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$defaults['answer[2]'] = get_lang('A then C then B');
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$defaults['weighting[2]'] = 0;
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$temp_scenario['destination'.$i] = ['0'];
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$temp_scenario['lp'.$i] = ['0'];
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}
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$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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$answerNumber = $form->addText(
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'counter['.$i.']',
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null,
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false,
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['value' => $i]
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);
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$answerNumber->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']
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);
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$form->addHtmlEditor('answer['.$i.']', null, null, false, $editor_config);
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$form->addRule(
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'answer['.$i.']',
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get_lang('Required field'),
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'required'
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);
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switch ($obj_ex->getFeedbackType()) {
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case EXERCISE_FEEDBACK_TYPE_DIRECT:
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$this->setDirectOptions($i, $form, $renderer, $select_lp_id, $select_question);
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break;
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case EXERCISE_FEEDBACK_TYPE_POPUP:
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default:
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$form->addHtmlEditor('comment['.$i.']', null, null, false, $editor_config);
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break;
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}
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$form->addText('weighting['.$i.']', null, null, ['value' => '0']);
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$form->addHtml('</tr>');
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}
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$form->addHtml('</tbody>');
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$form->addHtml('</table>');
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global $text;
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$buttonGroup = [];
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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[] = $form->addButton(
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'submitQuestion',
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$text,
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'check',
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'primary',
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'default',
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null,
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['id' => 'submit-question'],
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true
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);
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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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if (isset($_POST) && isset($_POST['correct'])) {
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$correct = (int) $_POST['correct'];
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}
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$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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if (1 == $this->isContent) {
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// Default sample content.
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$form->setDefaults($defaults);
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} else {
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$correct = 1;
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if (isset($_POST) && isset($_POST['correct'])) {
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$correct = (int) $_POST['correct'];
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}
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$form->setDefaults(['correct' => $correct]);
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}
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}
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$form->setConstants(['nb_answers' => $nb_answers]);
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}
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public function setDirectOptions($i, FormValidator $form, $renderer, $select_lp_id, $select_question)
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{
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$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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$form->addHtmlEditor(
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'comment['.$i.']',
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null,
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null,
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false,
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$editor_config
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);
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// Direct feedback
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//Adding extra feedback fields
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$group = [];
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$group['try'.$i] = $form->createElement(
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'checkbox',
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'try'.$i,
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null,
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get_lang('Try again')
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);
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$group['lp'.$i] = $form->createElement(
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'select',
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'lp'.$i,
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get_lang('Theory link').': ',
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$select_lp_id
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);
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$group['destination'.$i] = $form->createElement(
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'select',
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'destination'.$i,
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get_lang('Go to question').': ',
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$select_question
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);
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$group['url'.$i] = $form->createElement(
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'text',
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'url'.$i,
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get_lang('Other').': ',
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[
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'class' => 'col-md-2',
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'placeholder' => get_lang('Other'),
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]
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);
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$form->addGroup($group, 'scenario');
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}',
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'scenario'
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);
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}
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public function processAnswersCreation($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 = $form->getSubmitValue('nb_answers');
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for ($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['.$i.']'));
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$weighting = trim($form->getSubmitValue('weighting['.$i.']'));
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$scenario = $form->getSubmitValue('scenario');
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$try = null;
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$lp = null;
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$destination = null;
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$url = null;
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if (isset($scenario['try'.$i])) {
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$try = !empty($scenario['try'.$i]);
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}
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//$list_destination = $form -> getSubmitValue('destination'.$i);
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if (isset($scenario['lp'.$i])) {
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$lp = $scenario['lp'.$i];
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}
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//$destination_str = $form -> getSubmitValue('destination'.$i);
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if (isset($scenario['destination'.$i])) {
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$destination = $scenario['destination'.$i];
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}
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if (isset($scenario['url'.$i])) {
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$url = trim($scenario['url'.$i]);
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}
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/*
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How we are going to parse the destination value
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here we parse the destination value which is a string
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1@@3@@2;4;4;@@http://www.chamilo.org
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where: try_again@@lp_id@@selected_questions@@url
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try_again = is 1 || 0
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lp_id = id of a learning path (0 if dont select)
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selected_questions= ids of questions
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url= an url
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$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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$dest
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);
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}
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// saves the answers into the data base
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$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="'.$this->questionTableClass.'"><tr>';
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$header .= '<th>'.get_lang('Your choice').'</th>';
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if ($exercise->showExpectedChoiceColumn()) {
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$header .= '<th>'.get_lang('Expected choice').'</th>';
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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 class="text-center">'.get_lang('Status').'</th>';
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}
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if (false === $exercise->hideComment) {
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$header .= '<th>'.get_lang('Comment').'</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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}
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