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chamilo-lms/public/main/exercise/multiple_answer_true_false....

336 lines
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<?php
/* For licensing terms, see /license.txt */
use ChamiloSession as Session;
/**
* Class MultipleAnswerTrueFalse
* This class allows to instantiate an object of type MULTIPLE_ANSWER
* (MULTIPLE CHOICE, MULTIPLE ANSWER), extending the class question.
*
* @author Julio Montoya
*/
class MultipleAnswerTrueFalse extends Question
{
public $typePicture = 'mcmao.png';
public $explanationLangVar = 'Multiple answer true/false/don\'t know';
public $options;
/**
* Constructor.
*/
public function __construct()
{
parent::__construct();
$this->type = MULTIPLE_ANSWER_TRUE_FALSE;
$this->isContent = $this->getIsContent();
$this->options = [1 => 'True', 2 => 'False', 3 => 'DoubtScore'];
}
public function createAnswersForm($form)
{
$nb_answers = isset($_POST['nb_answers']) ? $_POST['nb_answers'] : 4;
// The previous default value was 2. See task #1759.
$nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
$course_id = api_get_course_int_id();
$obj_ex = Session::read('objExercise');
$renderer = &$form->defaultRenderer();
$defaults = [];
$html = '<table class="table table-striped table-hover">';
$html .= '<thead>';
$html .= '<tr>';
$html .= '<th>'.get_lang('N°').'</th>';
$html .= '<th>'.get_lang('True').'</th>';
$html .= '<th>'.get_lang('False').'</th>';
$html .= '<th>'.get_lang('Answer').'</th>';
// show column comment when feedback is enable
if (EXERCISE_FEEDBACK_TYPE_EXAM != $obj_ex->getFeedbackType()) {
$html .= '<th>'.get_lang('Comment').'</th>';
}
$html .= '</tr>';
$html .= '</thead>';
$html .= '<tbody>';
$form->addHeader(get_lang('Answers'));
$form->addHtml($html);
$answer = null;
if (!empty($this->id)) {
$answer = new Answer($this->id);
$answer->read();
if ($answer->nbrAnswers > 0 && !$form->isSubmitted()) {
$nb_answers = $answer->nbrAnswers;
}
}
$form->addElement('hidden', 'nb_answers');
if ($nb_answers < 1) {
$nb_answers = 1;
echo Display::return_message(get_lang('You have to create at least one answer'));
}
// Can be more options
$optionData = Question::readQuestionOption($this->id, $course_id);
for ($i = 1; $i <= $nb_answers; $i++) {
$form->addHtml('<tr>');
$renderer->setElementTemplate(
'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
'correct['.$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.'"'
);
$answer_number->freeze();
if (is_object($answer)) {
$defaults['answer['.$i.']'] = $answer->answer[$i];
$defaults['comment['.$i.']'] = $answer->comment[$i];
$correct = $answer->correct[$i];
$defaults['correct['.$i.']'] = $correct;
$j = 1;
if (!empty($optionData)) {
foreach ($optionData as $id => $data) {
$form->addElement('radio', 'correct['.$i.']', null, null, $id);
$j++;
if (3 == $j) {
break;
}
}
}
} else {
$form->addElement('radio', 'correct['.$i.']', null, null, 1);
$form->addElement('radio', 'correct['.$i.']', null, null, 2);
$defaults['answer['.$i.']'] = '';
$defaults['comment['.$i.']'] = '';
$defaults['correct['.$i.']'] = '';
}
$form->addHtmlEditor(
"answer[$i]",
get_lang('Required field'),
true,
false,
['ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100']
);
// show comment when feedback is enable
if (EXERCISE_FEEDBACK_TYPE_EXAM != $obj_ex->getFeedbackType()) {
$form->addElement(
'html_editor',
'comment['.$i.']',
null,
[],
[
'ToolbarSet' => 'TestProposedAnswer',
'Width' => '100%',
'Height' => '100',
]
);
}
$form->addHtml('</tr>');
}
$form->addHtml('</tbody></table>');
$correctInputTemplate = '<div class="form-group">';
$correctInputTemplate .= '<label class="col-sm-2 control-label">';
$correctInputTemplate .= '<span class="form_required">*</span>'.get_lang('Score');
$correctInputTemplate .= '</label>';
$correctInputTemplate .= '<div class="col-sm-8">';
$correctInputTemplate .= '<table>';
$correctInputTemplate .= '<tr>';
$correctInputTemplate .= '<td>';
$correctInputTemplate .= get_lang('Correct').'{element}';
$correctInputTemplate .= '<!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->';
$correctInputTemplate .= '</td>';
$wrongInputTemplate = '<td>';
$wrongInputTemplate .= get_lang('Wrong').'{element}';
$wrongInputTemplate .= '<!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->';
$wrongInputTemplate .= '</td>';
$doubtScoreInputTemplate = '<td>'.get_lang('Don\'t know').'<br>{element}';
$doubtScoreInputTemplate .= '<!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->';
$doubtScoreInputTemplate .= '</td>';
$doubtScoreInputTemplate .= '</tr>';
$doubtScoreInputTemplate .= '</table>';
$doubtScoreInputTemplate .= '</div>';
$doubtScoreInputTemplate .= '</div>';
$renderer->setElementTemplate($correctInputTemplate, 'option[1]');
$renderer->setElementTemplate($wrongInputTemplate, 'option[2]');
$renderer->setElementTemplate($doubtScoreInputTemplate, 'option[3]');
// 3 scores
$form->addElement('text', 'option[1]', get_lang('Correct'), ['class' => 'span1', 'value' => '1']);
$form->addElement('text', 'option[2]', get_lang('Wrong'), ['class' => 'span1', 'value' => '-0.5']);
$form->addElement('text', 'option[3]', get_lang('Don\'t know'), ['class' => 'span1', 'value' => '0']);
$form->addRule('option[1]', get_lang('Required field'), 'required');
$form->addRule('option[2]', get_lang('Required field'), 'required');
$form->addRule('option[3]', get_lang('Required field'), 'required');
$form->addElement('hidden', 'options_count', 3);
// Extra values True, false, Dont known
if (!empty($this->extra)) {
$scores = explode(':', $this->extra);
if (!empty($scores)) {
for ($i = 1; $i <= 3; $i++) {
$defaults['option['.$i.']'] = $scores[$i - 1];
}
}
}
global $text;
if (true == $obj_ex->edit_exercise_in_lp ||
(empty($this->exerciseList) && empty($obj_ex->id))
) {
// setting the save button here and not in the question class.php
$buttonGroup[] = $form->addButtonDelete(get_lang('Remove answer option'), 'lessAnswers', true);
$buttonGroup[] = $form->addButtonCreate(get_lang('Add answer option'), 'moreAnswers', true);
$buttonGroup[] = $form->addButtonSave($text, 'submitQuestion', true);
$form->addGroup($buttonGroup);
}
if (!empty($this->id)) {
$form->setDefaults($defaults);
} else {
$form->setDefaults($defaults);
}
$form->setConstants(['nb_answers' => $nb_answers]);
}
public function processAnswersCreation($form, $exercise)
{
$questionWeighting = 0;
$objAnswer = new Answer($this->id);
$nb_answers = $form->getSubmitValue('nb_answers');
$course_id = api_get_course_int_id();
$correct = [];
$options = Question::readQuestionOption($this->id, $course_id);
if (!empty($options)) {
foreach ($options as $optionData) {
$id = $optionData['id'];
unset($optionData['id']);
Question::updateQuestionOption($id, $optionData, $course_id);
}
} else {
for ($i = 1; $i <= 3; $i++) {
$last_id = Question::saveQuestionOption(
$this->id,
$this->options[$i],
$course_id,
$i
);
$correct[$i] = $last_id;
}
}
/* Getting quiz_question_options (true, false, doubt) because
it's possible that there are more options in the future */
$new_options = Question::readQuestionOption($this->id, $course_id);
$sortedByPosition = [];
foreach ($new_options as $item) {
$sortedByPosition[$item['position']] = $item;
}
/* Saving quiz_question.extra values that has the correct scores of
the true, false, doubt options registered in this format
XX:YY:ZZZ where XX is a float score value.*/
$extra_values = [];
for ($i = 1; $i <= 3; $i++) {
$score = trim($form->getSubmitValue('option['.$i.']'));
$extra_values[] = $score;
}
$this->setExtra(implode(':', $extra_values));
for ($i = 1; $i <= $nb_answers; $i++) {
$answer = trim($form->getSubmitValue('answer['.$i.']'));
$comment = trim($form->getSubmitValue('comment['.$i.']'));
$goodAnswer = trim($form->getSubmitValue('correct['.$i.']'));
if (empty($options)) {
//If this is the first time that the question is created when
// change the default values from the form 1 and 2 by the correct "option id" registered
$goodAnswer = isset($sortedByPosition[$goodAnswer]) ? $sortedByPosition[$goodAnswer]['id'] : '';
}
$questionWeighting += $extra_values[0]; //By default 0 has the correct answers
$objAnswer->createAnswer($answer, $goodAnswer, $comment, '', $i);
}
// saves the answers into the database
$objAnswer->save();
// sets the total weighting of the question
$this->updateWeighting($questionWeighting);
$this->save($exercise);
}
public function return_header(Exercise $exercise, $counter = null, $score = [])
{
$header = parent::return_header($exercise, $counter, $score);
$header .= '<table class="'.$this->question_table_class.'"><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('ExpectedYour choice').'</th>';
}
}
$header .= '<th>'.get_lang('Answer').'</th>';
if ($exercise->showExpectedChoice()) {
$header .= '<th>'.get_lang('Status').'</th>';
}
if (EXERCISE_FEEDBACK_TYPE_EXAM != $exercise->getFeedbackType() ||
in_array(
$exercise->results_disabled,
[
RESULT_DISABLE_SHOW_ONLY_IN_CORRECT_ANSWER,
RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS_AND_RANKING,
]
)
) {
$header .= '<th>'.get_lang('Comment').'</th>';
}
$header .= '</tr>';
return $header;
}
}