type = MULTIPLE_ANSWER_COMBINATION;
$this -> isContent = $this-> getIsContent();
}
/**
* function which redifines Question::createAnswersForm
* @param $form FormValidator
* @param the answers number to display
*/
function createAnswersForm ($form)
{
$nb_answers = isset($_POST['nb_answers']) ? $_POST['nb_answers'] : 2;
$nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
$obj_ex = $_SESSION['objExercise'];
$html= '
|
'.get_lang('Number').'
|
'.get_lang('True').'
|
'.get_lang('Answer').'
| ';
// show column comment when feedback is enable
$html .=''.get_lang('Comment').' | ';
$html .= '
';
$form -> addElement ('label', get_lang('Answers').'
', $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) {
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;
}
$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.']');
$answer_number=$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.']';
$form->addElement('html_editor', 'answer['.$i.']',null, array(), array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100'));
$form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required');
$form->addElement('html_editor', 'comment['.$i.']',null, array(), array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100'));
//only 1 answer the all deal ...
//$form->addElement('text', 'weighting['.$i.']',null, 'style="vertical-align:middle;margin-left: 0em;" size="5" value="10"');
$form -> addElement ('html', '');
}
$form -> addElement ('html', '
');
$form -> addElement ('html', '
');
$form -> add_multiple_required_rule ($boxes_names , get_lang('ChooseAtLeastOneCheckbox') , 'multiple_required');
//only 1 answer the all deal ...
$form->addElement('text', 'weighting[1]', get_lang('Score'), array('class' => "span1", 'value' => '10'));
$navigator_info = api_get_navigator();
global $text, $class;
//ie6 fix
if ($obj_ex->edit_exercise_in_lp == true) {
if ($navigator_info['name']=='Internet Explorer' && $navigator_info['version']=='6') {
$form->addElement('submit', 'lessAnswers', get_lang('LessAnswer'),'class="btn minus"');
$form->addElement('submit', 'moreAnswers', get_lang('PlusAnswer'),'class="btn plus"');
$form->addElement('submit', 'submitQuestion', $text, 'class="'.$class.'"');
} else {
$form->addElement('style_submit_button', 'lessAnswers', get_lang('LessAnswer'),'class="btn minus"');
$form->addElement('style_submit_button', 'moreAnswers', get_lang('PlusAnswer'),'class="btn plus"');
$form->addElement('style_submit_button', 'submitQuestion',$text, 'class="'.$class.'"');
// setting the save button here and not in the question class.php
}
}
$renderer->setElementTemplate('{element} ','lessAnswers');
$renderer->setElementTemplate('{element} ','submitQuestion');
$renderer->setElementTemplate('{element} ','moreAnswers');
$form -> addElement ('html', '');
$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['.$i.']'));
if ($i == 1)
$weighting = trim($form -> getSubmitValue('weighting['.$i.']'));
else {
$weighting = 0;
}
$goodAnswer = trim($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;
}
}