type = MULTIPLE_ANSWER;
$this->isContent = $this->getIsContent();
}
/**
* function which redefines Question::createAnswersForm
* @param FormValidator instance
*/
public function createAnswersForm($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));
$obj_ex = $this->exercise;
$html = '
|
'.get_lang('Number').'
|
'.get_lang('True').'
|
'.get_lang('Answer').'
| ';
// show column comment when feedback is enable
if (!empty($obj_ex) && $obj_ex->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_EXAM) {
$html .= '
'.get_lang('Comment').'
| ';
}
$html .= '
'.get_lang('Weighting').'
|
';
$form->addElement('label', get_lang('Answers').'
'.Display::return_icon('fill_field.png'), $html);
$defaults = array();
$correct = 0;
if (!empty($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 (isset($answer) && is_object($answer)) {
$answer_id = $answer->getRealAnswerIdFromList($i);
$defaults['answer['.$i.']'] = isset($answer->answer[$answer_id]) ? $answer->answer[$answer_id] : null;
$defaults['comment['.$i.']'] = isset($answer->comment[$answer_id]) ? $answer->comment[$answer_id] : null;
$defaults['weighting['.$i.']'] = isset($answer->weighting[$answer_id]) ? Text::float_format(
$answer->weighting[$answer_id],
1
) : null;
$defaults['correct['.$i.']'] = isset($answer->correct[$answer_id]) ? $answer->correct[$answer_id] : null;
} 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.']';
if ($obj_ex->fastEdition) {
$form->addElement(
'textarea',
'answer['.$i.']',
null,
$this->textareaSettings
);
} else {
$form->addElement(
'html_editor',
'answer['.$i.']',
null,
'style="vertical-align:middle"',
array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100')
);
}
$form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required');
// show comment when feedback is enable
if (!empty($obj_ex) && $obj_ex->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_EXAM) {
if ($obj_ex->fastEdition) {
$form->addElement(
'textarea',
'comment['.$i.']',
null,
$this->textareaSettings
);
} else {
$form->addElement(
'html_editor',
'comment['.$i.']',
null,
'style="vertical-align:middle"',
array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100')
);
}
}
$form->addElement('text', 'weighting['.$i.']', null, array('class' => "span1", 'value' => '0'));
$form->addElement('html', '');
}
$form->addElement('html', '
');
$form->addElement('html', '
');
$form->add_multiple_required_rule($boxes_names, get_lang('ChooseAtLeastOneCheckbox'), 'multiple_required');
$navigator_info = api_get_navigator();
if ($form->isFrozen() == false) {
if ($obj_ex->edit_exercise_in_lp == true) {
//ie6 fix
if ($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', $this->submitText, 'class="'.$this->submitClass.'"');
} else {
// setting the save button here and not in the question class.php
$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',
$this->submitText,
'class="'.$this->submitClass.'"'
);
}
}
$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' => $nb_answers));
}
/**
* abstract function which creates the form to create / edit the answers of the question
* @param FormValidator instance
*/
public function processAnswersCreation($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);
$this->save();
}
/**
* {@inheritdoc}
*/
public function return_header($feedback_type = null, $counter = null, $score = null, $show_media = false, $hideTitle = 0)
{
$header = parent::return_header($feedback_type, $counter, $score, $show_media, $hideTitle);
$header .= '
| '.get_lang("Choice").' |
'.get_lang("ExpectedChoice").' |
'.get_lang("Answer").' | ';
if ($feedback_type != EXERCISE_FEEDBACK_TYPE_EXAM) {
$header .= ''.get_lang("Comment").' | ';
} else {
$header .= ' | ';
}
$header .= '
';
return $header;
}
}