You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
418 lines
14 KiB
418 lines
14 KiB
<?php
|
|
/* For licensing terms, see /license.txt */
|
|
|
|
/**
|
|
* File containing the UNIQUE_ANSWER class.
|
|
* @package chamilo.exercise
|
|
* @author Eric Marguin
|
|
*/
|
|
|
|
/**
|
|
* Code
|
|
*/
|
|
/**
|
|
CLASS UNIQUE_ANSWER
|
|
*
|
|
* This class allows to instantiate an object of type UNIQUE_ANSWER (MULTIPLE CHOICE, UNIQUE ANSWER),
|
|
* extending the class question
|
|
*
|
|
* @author Eric Marguin
|
|
* @author Julio Montoya
|
|
* @package chamilo.exercise
|
|
**/
|
|
|
|
class UniqueAnswerNoOption extends Question
|
|
{
|
|
|
|
static $typePicture = 'mcuao.gif';
|
|
static $explanationLangVar = 'UniqueAnswerNoOption';
|
|
|
|
/**
|
|
* Constructor
|
|
*/
|
|
function UniqueAnswerNoOption($course_code = null){
|
|
//this is highly important
|
|
parent::question($course_code);
|
|
$this -> 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 = $this->exercise;
|
|
|
|
$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()==0) {
|
|
$comment_title = '<th>'.get_lang('Comment').'</th>';
|
|
} elseif ($obj_ex->selectFeedbackType()==1) {
|
|
$editor_config['Width'] = '250';
|
|
$editor_config['Height'] = '110';
|
|
$comment_title = '<th width="500" >'.get_lang('Comment').'</th>';
|
|
$feedback_title = '<th width="350px" >'.get_lang('Scenario').'</th>';
|
|
}
|
|
|
|
$html='<table class="data_table">
|
|
<tr style="text-align: center;">
|
|
<th width="10px">
|
|
'.get_lang('Number').'
|
|
</th>
|
|
<th width="10px" >
|
|
'.get_lang('True').'
|
|
</th>
|
|
<th width="50%">
|
|
'.get_lang('Answer').'
|
|
</th>
|
|
'.$comment_title.'
|
|
'.$feedback_title.'
|
|
<th width="60px">
|
|
'.get_lang('Weighting').'
|
|
</th>
|
|
</tr>';
|
|
$form->addElement('label', get_lang('Answers').'<br />'.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;
|
|
}
|
|
}
|
|
|
|
$temp_scenario = array();
|
|
|
|
if ($nb_answers < 1) {
|
|
$nb_answers = 1;
|
|
Display::display_normal_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
|
|
}
|
|
if ($_GET['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) {
|
|
$answer_id = $answer->getRealAnswerIdFromList($k);
|
|
if ($answer->position[$answer_id] != '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', '<tr>');
|
|
$answer_id = $answer->getRealAnswerIdFromList($i);
|
|
|
|
if (is_object($answer)) {
|
|
if ($answer->position[$answer_id] == 666) {
|
|
//we set nothing
|
|
} else {
|
|
if ($answer->correct[$answer_id]) {
|
|
$correct = $i;
|
|
}
|
|
$answer_result = $answer->answer[$answer_id];
|
|
$weight_result = Text::float_format($answer->weighting[$answer_id], 1);
|
|
if ($nb_answers == $i) {
|
|
$weight_result = '0';
|
|
}
|
|
|
|
$defaults['answer['.$i.']'] = $answer_result;
|
|
$defaults['comment['.$i.']'] = $answer->comment[$answer_id];
|
|
$defaults['weighting['.$i.']'] = $weight_result;
|
|
|
|
$item_list = explode('@@', $answer->destination[$answer_id]);
|
|
|
|
$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('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'correct');
|
|
$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'counter['.$i.']');
|
|
$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'answer['.$i.']');
|
|
$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'comment['.$i.']');
|
|
$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'weighting['.$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"', $editor_config);
|
|
|
|
if ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_END) {
|
|
// feedback
|
|
$form->addElement('html_editor', 'comment['.$i.']', null, 'style="vertical-align:middle"', $editor_config);
|
|
} elseif ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT) {
|
|
|
|
}
|
|
$form->addElement('text', 'weighting['.$i.']', null, array('class' => "span1", 'value' => '0'));
|
|
$form->addElement('html', '</tr>');
|
|
$i++;
|
|
}
|
|
|
|
if (empty($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', '<tr>');
|
|
|
|
$defaults['answer['.$i.']'] = get_lang('DontKnow');
|
|
$defaults['weighting['.$i.']'] = 0;
|
|
$defaults['scenario']=$temp_scenario;
|
|
$renderer = & $form->defaultRenderer();
|
|
|
|
$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'correct');
|
|
$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'counter['.$i.']');
|
|
$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'answer['.$i.']');
|
|
$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'comment['.$i.']');
|
|
$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>', 'weighting['.$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');
|
|
|
|
|
|
if ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_END) {
|
|
// feedback
|
|
$form->addElement('html_editor', 'comment['.$i.']', null, 'style="vertical-align:middle"', $editor_config);
|
|
} elseif ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT) {
|
|
|
|
}
|
|
|
|
//$form->addElement('select', 'destination'.$i, get_lang('SelectQuestion').' : ',$select_question,'multiple');
|
|
|
|
$form->addElement('text', 'weighting['.$i.']', null, array('class' => "span1", 'value' => '0', 'readonly' =>'readonly'));
|
|
$form->addElement ('html', '</tr>');
|
|
|
|
//}
|
|
|
|
$form -> addElement ('html', '</table>');
|
|
$form -> addElement ('html', '<br />');
|
|
$navigator_info = api_get_navigator();
|
|
|
|
//ie6 fix
|
|
if ($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"');
|
|
$form->addElement('submit','submitQuestion',$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} ','submitQuestion');
|
|
$renderer->setElementTemplate('{element} ','lessAnswers');
|
|
$renderer->setElementTemplate('{element} ','moreAnswers');
|
|
|
|
$form -> addElement ('html', '</div></div>');
|
|
|
|
//We check the first radio button to be sure a radio button will be check
|
|
if ($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);
|
|
$this -> save();
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
function return_header($feedback_type = null, $counter = null, $score = null, $show_media = false, $hideTitle = 0)
|
|
{
|
|
$header = parent::return_header($feedback_type, $counter, $score, $show_media, $hideTitle);
|
|
$header .= '<table class="'.$this->question_table_class .'">
|
|
<tr>
|
|
<th>'.get_lang("Choice").'</th>
|
|
<th>'. get_lang("ExpectedChoice").'</th>
|
|
<th>'. get_lang("Answer").'</th>';
|
|
if ($feedback_type != EXERCISE_FEEDBACK_TYPE_EXAM) {
|
|
$header .= '<th>'.get_lang("Comment").'</th>';
|
|
} else {
|
|
$header .= '<th> </th>';
|
|
}
|
|
$header .= '</tr>';
|
|
return $header;
|
|
}
|
|
}
|
|
|