type = UNIQUE_ANSWER_NO_OPTION;
$this -> isContent = $this-> getIsContent();
}
/**
* function which redifines Question::createAnswersForm
* @param the formvalidator instance
* @param the answers number to display
*/
function createAnswersForm ($form)
{
// getting the exercise list
$obj_ex = $_SESSION['objExercise'];
$editor_config = array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '125');
//this line define how many question by default appear when creating a choice question
$nb_answers = isset($_POST['nb_answers']) ? (int) $_POST['nb_answers'] : 3; // The previous default value was 2. See task #1759.
$nb_answers += (isset($_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='';
$comment_title='';
if ($obj_ex->selectFeedbackType()==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').' | ';
}
$html='
|
'.get_lang('Number').'
|
'.get_lang('True').'
|
'.get_lang('Answer').'
|
'.$comment_title.'
'.$feedback_title.'
'.get_lang('Weighting').'
|
';
$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;
}
}
$temp_scenario = array();
if ($nb_answers < 1) {
$nb_answers = 1;
Display::display_normal_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
}
$editQuestion = isset($_GET['editQuestion']) ? $_GET['editQuestion'] : false;
if ($editQuestion) {
//fixing $nb_answers
$new_list = array();
$count = 1;
if (isset($_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;
}
}
$i = 1;
//for ($k = 1 ; $k <= $real_nb_answers; $k++) {
foreach ($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, 'style="vertical-align:middle"', $editor_config);
$form->addElement('html_editor', 'comment['.$i.']', null, 'style="vertical-align:middle"', $editor_config);
$form->addElement('text', 'weighting['.$i.']', null, array('class' => "span1", '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 -> addElement ('html', '');
$defaults['answer['.$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.']');
$answer_number=$form->addElement('text', 'counter['.$i.']',null,'value="-"');
$answer_number->freeze();
$form->addElement('hidden', 'position['.$i.']', '666');
$form->addElement('radio', 'correct', null, null, $i, 'class="checkbox" style="margin-left: 0em;"');
$form->addElement('html_editor', 'answer['.$i.']', null, 'style="vertical-align:middle"', $editor_config);
$form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required');
$form->addElement('html_editor', 'comment['.$i.']', null, 'style="vertical-align:middle"', $editor_config);
//$form->addElement('select', 'destination'.$i, get_lang('SelectQuestion').' : ',$select_question,'multiple');
$form->addElement('text', 'weighting['.$i.']', null, array('class' => "span1", 'value' => '0', 'readonly' =>'readonly'));
$form->addElement ('html', '
');
$form -> addElement ('html', '
');
$form -> addElement ('html', '
');
$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', 'moreAnswers', get_lang('PlusAnswer'),'class="btn plus"');
$form->addElement('submit', 'lessAnswers', get_lang('LessAnswer'),'class="btn minus"');
$form->addElement('submit','submitQuestion',$text, 'class="'.$class.'"');
} 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"');
$form->addElement('style_submit_button','submitQuestion',$text, 'class="'.$class.'"');
}
}
$renderer->setElementTemplate('{element} ','submitQuestion');
$renderer->setElementTemplate('{element} ','lessAnswers');
$renderer->setElementTemplate('{element} ','moreAnswers');
$form -> addElement ('html', '');
//We check the first radio button to be sure a radio button will be check
if ($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(array('nb_answers' => $nb_answers));
}
/**
* Function which creates the form to create / edit the answers of the question
* @param the formvalidator instance
* @param the answers number to display
*/
function processAnswersCreation($form)
{
$questionWeighting = $nbrGoodAnswers = 0;
$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);
$this -> save();
}
function return_header($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;
}
}