type = MULTIPLE_ANSWER;
$this -> isContent = $this-> getIsContent();
}
/**
* function which redifines Question::createAnswersForm
* @param the formvalidator instance
* @param the answers number to display
*/
function createAnswersForm($form)
{
$editorConfig = array(
'ToolbarSet' => 'TestProposedAnswer',
'Width' => '100%',
'Height' => '125'
);
$nb_answers = isset($_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));
$obj_ex = $_SESSION['objExercise'];
$form->addHeader(get_lang('Answers'));
$html = '
| ' . get_lang('Number') . ' |
' . get_lang('True') . ' |
' . get_lang('Answer') . ' |
' . get_lang('Comment') . ' |
' . get_lang('Weighting') . ' |
';
$form->addHtml($html);
$defaults = array();
$correct = 0;
$answer = false;
if (!empty($this->id)) {
$answer = new Answer($this->id);
$answer->read();
if (count($answer->nbrAnswers) > 0 && !$form->isSubmitted()) {
$nb_answers = $answer->nbrAnswers;
}
}
$form->addElement('hidden', 'nb_answers');
$boxes_names = array();
if ($nb_answers < 1) {
$nb_answers = 1;
Display::display_normal_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
}
for ($i = 1; $i <= $nb_answers; ++$i) {
$form->addHtml('');
if (is_object($answer)) {
$defaults['answer[' . $i . ']'] = $answer->answer[$i];
$defaults['comment[' . $i . ']'] = $answer->comment[$i];
$defaults['weighting[' . $i . ']'] = float_format($answer->weighting[$i], 1);
$defaults['correct[' . $i . ']'] = $answer->correct[$i];
} else {
$defaults['answer[1]'] = get_lang('DefaultMultipleAnswer2');
$defaults['comment[1]'] = get_lang('DefaultMultipleComment2');
$defaults['correct[1]'] = true;
$defaults['weighting[1]'] = 10;
$defaults['answer[2]'] = get_lang('DefaultMultipleAnswer1');
$defaults['comment[2]'] = get_lang('DefaultMultipleComment1');
$defaults['correct[2]'] = false;
$defaults['weighting[2]'] = -5;
}
$renderer = & $form->defaultRenderer();
$renderer->setElementTemplate(
'{error}
{element} | ',
'correct[' . $i . ']'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'counter[' . $i . ']'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'answer[' . $i . ']'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'comment[' . $i . ']'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'weighting[' . $i . ']'
);
$answer_number = $form->addElement('text', 'counter[' . $i . ']', null, 'value="' . $i . '"');
$answer_number->freeze();
$form->addElement('checkbox', 'correct[' . $i . ']', null, null,
'class="checkbox" style="margin-left: 0em;"');
$boxes_names[] = 'correct[' . $i . ']';
$form->addHtmlEditor("answer[$i]", null, null, true, $editorConfig);
$form->addRule('answer[' . $i . ']', get_lang('ThisFieldIsRequired'), 'required');
$form->addHtmlEditor("comment[$i]", null, null, true, $editorConfig);
$form->addElement('text', 'weighting[' . $i . ']', null, array('class' => "span1", 'value' => '0'));
$form->addHtml('
');
}
$form->addHtml('');
$form->addHtml('
');
$form->add_multiple_required_rule($boxes_names, get_lang('ChooseAtLeastOneCheckbox'), 'multiple_required');
$buttonGroup = [];
global $text, $class;
if ($obj_ex->edit_exercise_in_lp == true) {
// setting the save button here and not in the question class.php
$buttonGroup[] = $form->addButtonDelete(get_lang('LessAnswer'), 'lessAnswers', true);
$buttonGroup[] = $form->addButtonCreate(get_lang('PlusAnswer'), 'moreAnswers', true);
$buttonGroup[] = $form->addButtonSave($text, 'submitQuestion', true);
}
$form->addGroup($buttonGroup);
$defaults['correct'] = $correct;
if (!empty($this->id)) {
$form->setDefaults($defaults);
} else {
if ($this->isContent == 1) {
$form->setDefaults($defaults);
}
}
$form->setConstants(array('nb_answers' => $nb_answers));
}
/**
* abstract function which creates the form to create / edit the answers of the question
* @param the formvalidator instance
* @param the answers number to display
*/
function processAnswersCreation($form) {
$questionWeighting = $nbrGoodAnswers = 0;
$objAnswer = new Answer($this->id);
$nb_answers = $form->getSubmitValue('nb_answers');
for($i=1 ; $i <= $nb_answers ; $i++) {
$answer = trim($form -> getSubmitValue('answer['.$i.']'));
$comment = trim($form -> getSubmitValue('comment['.$i.']'));
$weighting = trim($form -> getSubmitValue('weighting['.$i.']'));
$goodAnswer = trim($form -> getSubmitValue('correct['.$i.']'));
if ($goodAnswer) {
$weighting = abs($weighting);
} else {
$weighting = abs($weighting);
$weighting = -$weighting;
}
if($weighting > 0) {
$questionWeighting += $weighting;
}
$objAnswer -> createAnswer($answer,$goodAnswer,$comment,$weighting,$i);
}
// saves the answers into the data base
$objAnswer -> save();
// sets the total weighting of the question
$this->updateWeighting($questionWeighting);
$this->save();
}
function return_header($feedback_type = null, $counter = null, $score = null)
{
$header = parent::return_header($feedback_type, $counter, $score);
$header .= '
| '.get_lang("Choice").' |
'. get_lang("ExpectedChoice").' |
'. get_lang("Answer").' | ';
$header .= ''.get_lang("Comment").' | ';
$header .= '
';
return $header;
}
}