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257 lines
8.9 KiB
257 lines
8.9 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Class MultipleAnswer
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*
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* This class allows to instantiate an object of type MULTIPLE_ANSWER (MULTIPLE CHOICE, MULTIPLE ANSWER),
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* extending the class question
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*
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* @author Eric Marguin
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* @package chamilo.exercise
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**/
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class MultipleAnswerCombination extends Question
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{
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static $typePicture = 'mcmac.png';
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static $explanationLangVar = 'MultipleSelectCombination';
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/**
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* Constructor
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*/
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function MultipleAnswerCombination()
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{
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parent::question();
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$this -> type = MULTIPLE_ANSWER_COMBINATION;
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$this -> isContent = $this-> getIsContent();
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}
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/**
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* function which redifines Question::createAnswersForm
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* @param $form FormValidator
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* @param the answers number to display
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*/
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function createAnswersForm($form)
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{
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$nb_answers = isset($_POST['nb_answers']) ? $_POST['nb_answers'] : 2;
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$nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
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$obj_ex = $_SESSION['objExercise'];
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$html = '<table class="table table-striped table-hover">';
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$html .= '<thead>';
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$html .= '<tr>';
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$html .= '<th width="10">' . get_lang('Number') . '</th>';
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$html .= '<th width="10">' . get_lang('True') . '</th>';
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$html .= '<th width="50%">' . get_lang('Comment') . '</th>';
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$html .= '<th width="50%">' . get_lang('Answer') . '</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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$defaults = array();
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$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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$answer->read();
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if (count($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->addElement('hidden', 'nb_answers');
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$boxes_names = array();
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if ($nb_answers < 1) {
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$nb_answers = 1;
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Display::display_normal_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
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}
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for ($i = 1; $i <= $nb_answers; ++$i) {
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$form->addHtml('<tr>');
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if (is_object($answer)) {
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$defaults['answer[' . $i . ']'] = $answer->answer[$i];
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$defaults['comment[' . $i . ']'] = $answer->comment[$i];
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$defaults['weighting[' . $i . ']'] = float_format($answer->weighting[$i], 1);
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$defaults['correct[' . $i . ']'] = $answer->correct[$i];
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} else {
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$defaults['answer[1]'] = get_lang('DefaultMultipleAnswer2');
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$defaults['comment[1]'] = get_lang('DefaultMultipleComment2');
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$defaults['correct[1]'] = true;
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$defaults['weighting[1]'] = 10;
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$defaults['answer[2]'] = get_lang('DefaultMultipleAnswer1');
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$defaults['comment[2]'] = get_lang('DefaultMultipleComment1');
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$defaults['correct[2]'] = false;
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}
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$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[' . $i . ']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'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[' . $i . ']'
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);
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$answer_number = $form->addElement('text', 'counter[' . $i . ']', null, 'value="' . $i . '"');
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$answer_number->freeze();
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$form->addElement('checkbox',
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'correct[' . $i . ']',
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null,
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null,
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'class="checkbox" style="margin-left: 0em;"'
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);
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$boxes_names[] = 'correct[' . $i . ']';
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$form->addElement(
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'html_editor',
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'answer[' . $i . ']',
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null,
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array(),
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array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100')
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);
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$form->addRule('answer[' . $i . ']', get_lang('ThisFieldIsRequired'), 'required');
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$form->addElement(
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'html_editor',
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'comment[' . $i . ']',
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null,
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array(),
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array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100')
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);
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//only 1 answer the all deal ...
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//$form->addElement('text', 'weighting['.$i.']',null, 'style="vertical-align:middle;margin-left: 0em;" size="5" value="10"');
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$form->addHtml('</tr>');
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}
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$form->addElement('html', '</tbody></table>');
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$form->add_multiple_required_rule($boxes_names, get_lang('ChooseAtLeastOneCheckbox'), 'multiple_required');
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//only 1 answer the all deal ...
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$form->addText('weighting[1]', get_lang('Score'), false, ['value' => 10]);
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$navigator_info = api_get_navigator();
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global $text, $class;
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//ie6 fix
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if ($obj_ex->edit_exercise_in_lp == true) {
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$buttonGroup = [];
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if ($navigator_info['name'] == 'Internet Explorer' && $navigator_info['version'] == '6') {
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$buttonGroup[] = $form->createElement(
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'submit',
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'lessAnswers',
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'<i class="fa fa-minus"></i> '.get_lang('LessAnswer'),
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'class="btn btn-default"'
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);
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$buttonGroup[] = $form->createElement(
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'submit',
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'moreAnswers',
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'<i class="fa fa-plus"></i> '.get_lang('PlusAnswer'),
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'class="btn btn-default"'
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);
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$buttonGroup[] = $form->createElement(
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'submit',
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'submitQuestion',
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$text,
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'class="' . $class . '"'
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);
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} else {
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// setting the save button here and not in the question class.php
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$buttonGroup[] = $form->addButtonDelete(get_lang('LessAnswer'), 'lessAnswers', true);
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$buttonGroup[] = $form->addButtonCreate(get_lang('PlusAnswer'), 'moreAnswers', true);
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$buttonGroup[] = $form->addButtonSave($text, 'submitQuestion', true);
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}
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$form->addGroup($buttonGroup);
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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 ($this->isContent == 1) {
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$form->setDefaults($defaults);
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}
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}
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$form->setConstants(array('nb_answers' => $nb_answers));
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}
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/**
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* abstract function which creates the form to create / edit the answers of the question
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* @param the formvalidator instance
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* @param the answers number to display
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*/
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function processAnswersCreation($form)
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{
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$questionWeighting = $nbrGoodAnswers = 0;
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$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 ; $i++)
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{
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$answer = trim($form -> getSubmitValue('answer['.$i.']'));
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$comment = trim($form -> getSubmitValue('comment['.$i.']'));
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if ($i == 1)
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$weighting = trim($form -> getSubmitValue('weighting['.$i.']'));
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else {
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$weighting = 0;
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}
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$goodAnswer = trim($form -> getSubmitValue('correct['.$i.']'));
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if($goodAnswer){
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$weighting = abs($weighting);
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} else {
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$weighting = abs($weighting);
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// $weighting = -$weighting;
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}
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if($weighting > 0)
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{
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$questionWeighting += $weighting;
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}
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$objAnswer -> createAnswer($answer,$goodAnswer,$comment,$weighting,$i);
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}
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// saves the answers into the data base
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$objAnswer -> save();
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// sets the total weighting of the question
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$this -> updateWeighting($questionWeighting);
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$this -> save();
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}
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function return_header($feedback_type = null, $counter = null, $score = null)
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{
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$header = parent::return_header($feedback_type, $counter, $score);
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$header .= '<table class="'.$this->question_table_class .'">
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<tr>
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<th>'.get_lang("Choice").'</th>
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<th>'. get_lang("ExpectedChoice").'</th>
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<th>'. get_lang("Answer").'</i></th>';
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$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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