type = UNIQUE_ANSWER_NO_OPTION;
$this->isContent = $this->getIsContent();
}
/**
* {@inheritdoc}
*/
public function createAnswersForm($form)
{
// getting the exercise list
$obj_ex = Session::read('objExercise');
$editor_config = [
'ToolbarSet' => 'TestProposedAnswer',
'Width' => '100%',
'Height' => '125',
];
// This line define how many question by default appear when creating a choice question
// The previous default value was 2. See task #1759.
$nb_answers = isset($_POST['nb_answers']) ? (int) $_POST['nb_answers'] : 3;
$nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
/*
Types of Feedback
$feedback_option[0]=get_lang('Feedback');
$feedback_option[1]=get_lang('DirectFeedback');
$feedback_option[2]=get_lang('NoFeedback');
*/
$feedback_title = '';
if ($obj_ex->getFeedbackType() == 1) {
$editor_config['Width'] = '250';
$editor_config['Height'] = '110';
$comment_title = '| '.get_lang('Comment').' | ';
$feedback_title = ''.get_lang('Scenario').' | ';
} else {
$comment_title = ''.get_lang('Comment').' | ';
}
$html = '';
$html .= '';
$html .= '';
$html .= '| '.get_lang('Number').' | ';
$html .= ''.get_lang('True').' | ';
$html .= ''.get_lang('Answer').' | ';
$html .= $comment_title.$feedback_title;
$html .= ''.get_lang('Weighting').' | ';
$html .= '
';
$html .= '';
$html .= '';
$form->addHeader(get_lang('Answers'));
$form->addHtml($html);
$defaults = [];
$correct = 0;
$answer = false;
if (!empty($this->id)) {
$answer = new Answer($this->id);
$answer->read();
if ($answer->nbrAnswers > 0 && !$form->isSubmitted()) {
$nb_answers = $answer->nbrAnswers;
}
}
$temp_scenario = [];
if ($nb_answers < 1) {
$nb_answers = 1;
echo Display::return_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
}
$editQuestion = isset($_GET['editQuestion']) ? $_GET['editQuestion'] : false;
if ($editQuestion) {
//fixing $nb_answers
$new_list = [];
$count = 1;
if (isset($_POST['lessAnswers'])) {
if (!isset($_SESSION['less_answer'])) {
$_SESSION['less_answer'] = $this->id;
$nb_answers--;
}
}
for ($k = 1; $k <= $nb_answers; $k++) {
if ($answer->position[$k] != '666') {
$new_list[$count] = $count;
$count++;
}
}
} else {
for ($k = 1; $k <= $nb_answers; $k++) {
$new_list[$k] = $k;
}
}
foreach ($new_list as $key) {
$i = $key;
$form->addElement('html', '');
if (is_object($answer)) {
if ($answer->position[$i] == 666) {
//we set nothing
} else {
if ($answer->correct[$i]) {
$correct = $i;
}
$answer_result = $answer->answer[$i];
$weight_result = float_format($answer->weighting[$i], 1);
if ($nb_answers == $i) {
$weight_result = '0';
}
$defaults['answer['.$i.']'] = $answer_result;
$defaults['comment['.$i.']'] = $answer->comment[$i];
$defaults['weighting['.$i.']'] = $weight_result;
$item_list = explode('@@', $answer->destination[$i]);
$try = $item_list[0];
$lp = $item_list[1];
$list_dest = $item_list[2];
$url = $item_list[3];
if ($try == 0) {
$try_result = 0;
} else {
$try_result = 1;
}
if ($url == 0) {
$url_result = '';
} else {
$url_result = $url;
}
$temp_scenario['url'.$i] = $url_result;
$temp_scenario['try'.$i] = $try_result;
$temp_scenario['lp'.$i] = $lp;
$temp_scenario['destination'.$i] = $list_dest;
}
}
$defaults['scenario'] = $temp_scenario;
$renderer = &$form->defaultRenderer();
$renderer->setElementTemplate(
'{error}
{element} | ',
'correct'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'counter['.$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('radio', 'correct', null, null, $i, 'class="checkbox" style="margin-left: 0em;"');
$form->addElement('html_editor', 'answer['.$i.']', null, [], $editor_config);
$form->addElement('html_editor', 'comment['.$i.']', null, [], $editor_config);
$form->addElement('text', 'weighting['.$i.']', null, ['style' => 'width: 60px;', 'value' => '0']);
$form->addElement('html', '
');
$i++;
}
if (empty($this->id)) {
$form->addElement('hidden', 'new_question', 1);
}
//Adding the "I don't know" question answer
//if (empty($this -> id)) {
$i = 666;
$form->addHtml('');
$defaults["counter[$i]"] = '-';
$defaults['answer['.$i.']'] = get_lang('DontKnow');
$defaults['weighting['.$i.']'] = '0';
$defaults['scenario'] = $temp_scenario;
$renderer = &$form->defaultRenderer();
$renderer->setElementTemplate(
'{error}
{element} | ',
'correct'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'counter['.$i.']'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'answer['.$i.']'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'comment['.$i.']'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'weighting['.$i.']'
);
$form
->addElement('text', 'counter['.$i.']', null)
->freeze();
$form->addElement('hidden', 'position['.$i.']', '666');
$form->addElement('radio', 'correct', null, null, $i, ['class' => 'checkbox', 'disabled' => true]);
$form->addElement('html_editor', 'answer['.$i.']', null, [], $editor_config);
$form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required');
$form->addElement('html_editor', 'comment['.$i.']', null, [], $editor_config);
$form->addElement('text', "weighting[$i]", null)->freeze();
$form->addHTml('
');
$form->addHtml('
');
$buttonGroup = [];
global $text;
//ie6 fix
if ($obj_ex->edit_exercise_in_lp == true ||
(empty($this->exerciseList) && empty($obj_ex->id))
) {
//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);
}
//We check the first radio button to be sure a radio button will be check
if ($correct == 0) {
$correct = 1;
}
$defaults['correct'] = $correct;
if (!empty($this->id)) {
$form->setDefaults($defaults);
} else {
$form->setDefaults($defaults);
}
$form->addElement('hidden', 'nb_answers');
$form->setConstants(['nb_answers' => $nb_answers]);
}
/**
* {@inheritdoc}
*/
public function processAnswersCreation($form, $exercise)
{
$questionWeighting = $nbrGoodAnswers = 0;
$correct = $form->getSubmitValue('correct');
$objAnswer = new Answer($this->id);
$nb_answers = $form->getSubmitValue('nb_answers');
$minus = 1;
if ($form->getSubmitValue('new_question')) {
$minus = 0;
}
for ($i = 1; $i <= $nb_answers - $minus; $i++) {
$position = trim($form->getSubmitValue('position['.$i.']'));
$answer = trim($form->getSubmitValue('answer['.$i.']'));
$comment = trim($form->getSubmitValue('comment['.$i.']'));
$weighting = trim($form->getSubmitValue('weighting['.$i.']'));
$scenario = $form->getSubmitValue('scenario');
//$list_destination = $form -> getSubmitValue('destination'.$i);
//$destination_str = $form -> getSubmitValue('destination'.$i);
$try = $scenario['try'.$i];
$lp = $scenario['lp'.$i];
$destination = $scenario['destination'.$i];
$url = trim($scenario['url'.$i]);
/*
How we are going to parse the destination value
here we parse the destination value which is a string
1@@3@@2;4;4;@@http://www.chamilo.org
where: try_again@@lp_id@@selected_questions@@url
try_again = is 1 || 0
lp_id = id of a learning path (0 if dont select)
selected_questions= ids of questions
url= an url
*/
/*
$destination_str='';
foreach ($list_destination as $destination_id)
{
$destination_str.=$destination_id.';';
}*/
$goodAnswer = ($correct == $i) ? true : false;
if ($goodAnswer) {
$nbrGoodAnswers++;
$weighting = abs($weighting);
if ($weighting > 0) {
$questionWeighting += $weighting;
}
}
if (empty($try)) {
$try = 0;
}
if (empty($lp)) {
$lp = 0;
}
if (empty($destination)) {
$destination = 0;
}
if ($url == '') {
$url = 0;
}
//1@@1;2;@@2;4;4;@@http://www.chamilo.org
$dest = $try.'@@'.$lp.'@@'.$destination.'@@'.$url;
$objAnswer->createAnswer(
$answer,
$goodAnswer,
$comment,
$weighting,
$i,
null,
null,
$dest
);
}
//Create 666 answer
$i = 666;
$answer = trim($form->getSubmitValue('answer['.$i.']'));
$comment = trim($form->getSubmitValue('comment['.$i.']'));
$weighting = trim($form->getSubmitValue('weighting['.$i.']'));
$goodAnswer = $correct == $i ? true : false;
$dest = '';
$objAnswer->createAnswer(
$answer,
$goodAnswer,
$comment,
$weighting,
$i,
null,
null,
$dest
);
// saves the answers into the data base
$objAnswer->save();
// sets the total weighting of the question
$this->updateWeighting($questionWeighting);
$this->save($exercise);
}
/**
* {@inheritdoc}
*/
public function return_header(Exercise $exercise, $counter = null, $score = [])
{
$header = parent::return_header($exercise, $counter, $score);
$header .= '';
if (!in_array($exercise->results_disabled, [
RESULT_DISABLE_SHOW_ONLY_IN_CORRECT_ANSWER,
])
) {
$header .= '| '.get_lang('Choice').' | ';
if ($exercise->showExpectedChoiceColumn()) {
$header .= ''.get_lang('ExpectedChoice').' | ';
}
}
$header .= ''.get_lang('Answer').' | ';
if ($exercise->showExpectedChoice()) {
$header .= ''.get_lang('Status').' | ';
}
$header .= ''.get_lang('Comment').' | ';
$header .= '
';
return $header;
}
}