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+<?php
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+/* For licensing terms, see /license.txt */
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+
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+/**
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+ * File containing the UNIQUE_ANSWER class.
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+ * @package chamilo.exercise
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+ * @author Eric Marguin
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+ */
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+
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+
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+if(!class_exists('UniqueAnswerNoOption')):
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+
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+/**
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+ CLASS UNIQUE_ANSWER
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+ *
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+ * This class allows to instantiate an object of type UNIQUE_ANSWER (MULTIPLE CHOICE, UNIQUE ANSWER),
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+ * extending the class question
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+ *
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+ * @author Eric Marguin
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+ * @author Julio Montoya
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+ * @package chamilo.exercise
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+ **/
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+
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+class UniqueAnswerNoOption extends Question {
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+
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+ static $typePicture = 'mcua.gif';
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+ static $explanationLangVar = 'UniqueAnswerNoOptionSelect';
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+
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+ /**
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+ * Constructor
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+ */
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+ function UniqueAnswerNoOption(){
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+ //this is highly important
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+ parent::question();
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+ $this -> type = UNIQUE_ANSWER_NO_OPTION;
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+ $this -> isContent = $this-> getIsContent();
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+ }
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+
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+ /**
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+ * function which redifines Question::createAnswersForm
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+ * @param the formvalidator instance
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+ * @param the answers number to display
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+ */
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+ function createAnswersForm ($form) {
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+ // getting the exercise list
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+ $obj_ex =$_SESSION['objExercise'];
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+
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+ $editor_config = array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '125');
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+
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+ //this line define how many question by default appear when creating a choice question
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+ $nb_answers = isset($_POST['nb_answers']) ? (int) $_POST['nb_answers'] : 3; // The previous default value was 2. See task #1759.
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+ $nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
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+
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+
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+ /*
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+ Types of Feedback
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+ $feedback_option[0]=get_lang('Feedback');
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+ $feedback_option[1]=get_lang('DirectFeedback');
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+ $feedback_option[2]=get_lang('NoFeedback');
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+ */
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+
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+ $feedback_title='';
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+ $comment_title='';
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+
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+ if ($obj_ex->selectFeedbackType()==0) {
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+ $comment_title = '<th>'.get_lang('Comment').'</th>';
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+ } elseif ($obj_ex->selectFeedbackType()==1) {
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+ $editor_config['Width'] = '250';
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+ $editor_config['Height'] = '110';
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+ $comment_title = '<th width="500" >'.get_lang('Comment').'</th>';
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+ $feedback_title = '<th width="350px" >'.get_lang('Scenario').'</th>';
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+ }
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+
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+ $html='
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+ <div class="row">
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+ <div class="label">
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+ '.get_lang('Answers').' <br /> <img src="../img/fill_field.png">
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+ </div>
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+ <div class="formw">
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+ <table class="data_table">
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+ <tr style="text-align: center;">
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+ <th width="10px">
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+ '.get_lang('Number').'
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+ </th>
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+ <th width="10px" >
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+ '.get_lang('True').'
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+ </th>
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+ <th width="45%">
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+ '.get_lang('Answer').'
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+ </th>
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+ '.$comment_title.'
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+ '.$feedback_title.'
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+ <th width="20px">
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+ '.get_lang('Weighting').'
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+ </th>
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+ </tr>';
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+
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+ $form -> addElement ('html', $html);
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+
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+ $defaults = array();
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+ $correct = 0;
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+ if(!empty($this -> id)) {
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+ $answer = new Answer($this -> id);
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+ $answer -> read();
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+ if(count($answer->nbrAnswers)>0 && !$form->isSubmitted()) {
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+ $nb_answers = $answer->nbrAnswers;
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+ }
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+ }
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+ $form -> addElement('hidden', 'nb_answers');
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+
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+ //Feedback SELECT
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+ //Not needed right now
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+ /*
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+ $question_list=$obj_ex->selectQuestionList();
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+ $select_question=array();
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+ $select_question[0]=get_lang('SelectTargetQuestion');
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+
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+ require_once '../newscorm/learnpathList.class.php';
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+ if (is_array($question_list)) {
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+ foreach ($question_list as $key=>$questionid) {
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+ //To avoid warning messages
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+ if (!is_numeric($questionid)) {
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+ continue;
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+ }
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+ $question = Question::read($questionid);
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+ $select_question[$questionid]='Q'.$key.' :'.cut($question->selectTitle(),20);
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+ }
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+ }
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+ $select_question[-1]=get_lang('ExitTest');
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+
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+ $list = new LearnpathList(api_get_user_id());
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+ $flat_list = $list->get_flat_list();
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+ $select_lp_id=array();
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+ $select_lp_id[0]=get_lang('SelectTargetLP');
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+
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+ foreach ($flat_list as $id => $details) {
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+ $select_lp_id[$id] = cut($details['lp_name'],20);
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+ }*/
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+
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+ $temp_scenario = array();
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+
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+ if ($nb_answers < 1) {
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+ $nb_answers = 1;
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+ Display::display_normal_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
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+ }
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+
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+ for($i = 1 ; $i <= $nb_answers ; ++$i) {
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+ $form -> addElement ('html', '<tr>');
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+ if (is_object($answer)) {
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+ if ($answer -> correct[$i]) {
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+ $correct = $i;
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+ }
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+ $answer_result = $answer -> answer[$i];
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+ $weight_result = float_format($answer -> weighting[$i], 1);
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+ if ($nb_answers == $i) {
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+ $weight_result = '0';
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+ }
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+
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+ $defaults['answer['.$i.']'] = $answer_result;
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+ $defaults['comment['.$i.']'] = $answer -> comment[$i];
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+ $defaults['weighting['.$i.']'] = $weight_result;
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+
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+ $item_list=explode('@@',$answer -> destination[$i]);
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+
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+ $try = $item_list[0];
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+ $lp = $item_list[1];
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+ $list_dest = $item_list[2];
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+ $url = $item_list[3];
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+
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+ if ($try==0)
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+ $try_result=0;
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+ else
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+ $try_result=1;
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+
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+ if ($url==0)
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+ $url_result='';
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+ else
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+ $url_result=$url;
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+
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+ $temp_scenario['url'.$i] = $url_result;
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+ $temp_scenario['try'.$i] = $try_result;
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+ $temp_scenario['lp'.$i] = $lp;
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+ $temp_scenario['destination'.$i]= $list_dest;
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+
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+
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+ /*$pre_list_destination=explode(';',$list_dest);
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+ $list_destination=array();
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+ foreach($pre_list_destination as $value)
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+ {
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+ $list_destination[]=$value;
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+ }
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+ $defaults['destination'.$i]=$list_destination;
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+ */
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+ //$defaults['destination'.$i] = $list_destination;
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+ } else {
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+
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+ /* if ($nb_answers == $i) {
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+ $defaults['answer['.$i.']'] = get_lang('DontKnow');
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+ $defaults['weighting['.$i.']'] = 0;
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+
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+ $temp_scenario['destination'.$i] = array('0');
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+ $temp_scenario['lp'.$i] = array('0');
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+
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+ } else {
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+
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+
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+ $temp_scenario['destination'.$i] = array('0');
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+ $temp_scenario['lp'.$i] = array('0');
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+ //$defaults['scenario']
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+ }*/
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+ }
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+
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+
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+
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+
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+ $defaults['scenario']=$temp_scenario;
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+ $renderer = & $form->defaultRenderer();
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+ $renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>');
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+ $renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>','html');
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+ $answer_number=$form->addElement('text', null,null,'value="'.$i.'"');
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+ $answer_number->freeze();
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+
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+ $form->addElement('radio', 'correct', null, null, $i, 'class="checkbox" style="margin-left: 0em;"');
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+ $form->addElement('html_editor', 'answer['.$i.']', null, 'style="vertical-align:middle"', $editor_config);
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+ $form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required');
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+
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+ if ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_END) {
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+ // feedback
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+ $form->addElement('html_editor', 'comment['.$i.']', null, 'style="vertical-align:middle"', $editor_config);
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+ } elseif ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT) {
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+ /*
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+ // direct feedback
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+ $form->addElement('html_editor', 'comment['.$i.']', null, 'style="vertical-align:middle"', $editor_config);
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+ //Adding extra feedback fields
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+ $group = array();
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+ $group['try'.$i] =&$form->createElement('checkbox', 'try'.$i,get_lang('TryAgain').': ' );
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+ $group['lp'.$i] =&$form->createElement('select', 'lp'.$i,get_lang('SeeTheory').': ',$select_lp_id);
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+ $group['destination'.$i]=&$form->createElement('select', 'destination'.$i, get_lang('GoToQuestion').': ' ,$select_question);
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+ $group['url'.$i] =&$form->createElement('text', 'url'.$i,get_lang('Other').': ',array('size'=>'25px'));
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+
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+ $form -> addGroup($group, 'scenario', 'scenario');
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+ $renderer->setGroupElementTemplate('<div class="exercise_scenario_label">{label}</div><div class="exercise_scenario_element">{element}</div>','scenario');*/
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+ }
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+
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+ //$form->addElement('select', 'destination'.$i, get_lang('SelectQuestion').' : ',$select_question,'multiple');
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+
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+ $form->addElement('text', 'weighting['.$i.']', null, 'style="vertical-align:middle;margin-left: 0em;" size="5" value="0"');
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+ $form->addElement('html', '</tr>');
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+ }
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+
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+
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+ //Adding I don't know question option
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+ $i = 666;
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+ $form -> addElement ('html', '<tr>');
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+
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+ $defaults['answer['.$i.']'] = get_lang('DontKnow');
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+ $defaults['weighting['.$i.']'] = 0;
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+
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+ $defaults['scenario']=$temp_scenario;
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+ $renderer = & $form->defaultRenderer();
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+ $renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>');
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+ $renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>','html');
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+ $answer_number=$form->addElement('text', null,null,'value="-"');
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+ $answer_number->freeze();
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+
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+ $form->addElement('radio', 'correct', null, null, $i, 'class="checkbox" style="margin-left: 0em;"');
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+ $form->addElement('html_editor', 'answer['.$i.']', null, 'style="vertical-align:middle"', $editor_config);
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+
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+
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+ $form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required');
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+
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+ if ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_END) {
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+ // feedback
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+ $form->addElement('html_editor', 'comment['.$i.']', null, 'style="vertical-align:middle"', $editor_config);
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+ } elseif ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT) {
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+/* // direct feedback
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+ $form->addElement('html_editor', 'comment['.$i.']', null, 'style="vertical-align:middle"', $editor_config);
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+ //Adding extra feedback fields
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+ $group = array();
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+ $group['try'.$i] =&$form->createElement('checkbox', 'try'.$i,get_lang('TryAgain').': ' );
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+ $group['lp'.$i] =&$form->createElement('select', 'lp'.$i,get_lang('SeeTheory').': ',$select_lp_id);
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+ $group['destination'.$i]=&$form->createElement('select', 'destination'.$i, get_lang('GoToQuestion').': ' ,$select_question);
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+ $group['url'.$i] =&$form->createElement('text', 'url'.$i,get_lang('Other').': ',array('size'=>'25px'));
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+
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+ $form -> addGroup($group, 'scenario', 'scenario');
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+ $renderer->setGroupElementTemplate('<div class="exercise_scenario_label">{label}</div><div class="exercise_scenario_element">{element}</div>','scenario');*/
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+ }
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+
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+ //$form->addElement('select', 'destination'.$i, get_lang('SelectQuestion').' : ',$select_question,'multiple');
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+
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+ $form->addElement('text', 'weighting['.$i.']', null, 'style="vertical-align:middle;margin-left: 0em;" size="5" value="0" readonly="readonly" ');
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+ $form->addElement ('html', '</tr>');
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+
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+
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+
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+
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+
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+ $form -> addElement ('html', '</table>');
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+ $form -> addElement ('html', '<br />');
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+ $navigator_info = api_get_navigator();
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+
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+ global $text, $class, $show_quiz_edition;
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+ //ie6 fix
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+ if ($show_quiz_edition) {
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+ if ($navigator_info['name']=='Internet Explorer' && $navigator_info['version']=='6') {
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+ $form->addElement('submit','submitQuestion',$text, 'class="'.$class.'"');
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+ $form->addElement('submit', 'moreAnswers', get_lang('PlusAnswer'),'class="plus"');
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+ $form->addElement('submit', 'lessAnswers', get_lang('LessAnswer'),'class="minus"');
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+ } else {
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+ //setting the save button here and not in the question class.php
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+ $form->addElement('style_submit_button','submitQuestion',$text, 'class="'.$class.'"');
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+ $form->addElement('style_submit_button', 'lessAnswers', get_lang('LessAnswer'),'style="float:right"; class="minus"');
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+ $form->addElement('style_submit_button', 'moreAnswers', get_lang('PlusAnswer'),'style="float:right"; class="plus"');
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+ }
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+ }
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+ $renderer->setElementTemplate('{element}','submitQuestion');
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+ $renderer->setElementTemplate('{element} ','lessAnswers');
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+ $renderer->setElementTemplate('{element}','moreAnswers');
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+
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+ $form -> addElement ('html', '</div></div>');
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+
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+ //We check the first radio button to be sure a radio button will be check
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+ if ($correct==0) {
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+ $correct=1;
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+ }
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+ $defaults['correct'] = $correct;
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+
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+ if (!empty($this -> id)) {
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+ $form -> setDefaults($defaults);
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+ } else {
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+ //if ($this -> isContent == 1) {
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+ $form -> setDefaults($defaults);
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+ //}
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+ }
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+ $form->setConstants(array('nb_answers' => $nb_answers));
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+ }
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+
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+
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+ /**
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+ * abstract function which creates the form to create / edit the answers of the question
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+ * @param the formvalidator instance
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+ * @param the answers number to display
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+ */
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+ function processAnswersCreation($form) {
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+
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+ $questionWeighting = $nbrGoodAnswers = 0;
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+ $correct = $form -> getSubmitValue('correct');
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+ $objAnswer = new Answer($this->id);
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+ $nb_answers = $form -> getSubmitValue('nb_answers');
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+
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+ for($i=1 ; $i <= $nb_answers ; $i++)
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+ {
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+ $answer = trim($form -> getSubmitValue('answer['.$i.']'));
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+ $comment = trim($form -> getSubmitValue('comment['.$i.']'));
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+ $weighting = trim($form -> getSubmitValue('weighting['.$i.']'));
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+
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+ $scenario= $form -> getSubmitValue('scenario');
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+
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+ echo '<pre>';
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+ //$list_destination = $form -> getSubmitValue('destination'.$i);
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+ //$destination_str = $form -> getSubmitValue('destination'.$i);
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+
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+ $try = $scenario['try'.$i];
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+ $lp= $scenario['lp'.$i];
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+ $destination = $scenario['destination'.$i];
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+ $url = trim($scenario['url'.$i]);
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+
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+ /*
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+ How we are going to parse the destination value
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+
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+ here we parse the destination value which is a string
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+ 1@@3@@2;4;4;@@http://www.dokeos.com
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+
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+ where: try_again@@lp_id@@selected_questions@@url
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+
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+ try_again = is 1 || 0
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+ lp_id = id of a learning path (0 if dont select)
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+ selected_questions= ids of questions
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+ url= an url
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+ */
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+ /*
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+ $destination_str='';
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+ foreach ($list_destination as $destination_id)
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+ {
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+ $destination_str.=$destination_id.';';
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+ }*/
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+
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+ $goodAnswer= ($correct == $i) ? true : false;
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+
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+ if($goodAnswer)
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+ {
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+ $nbrGoodAnswers++;
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+ $weighting = abs($weighting);
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+ if($weighting > 0)
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+ {
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+ $questionWeighting += $weighting;
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+ }
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+ }
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+
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+ if (empty($try))
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+ $try=0;
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+
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+ if (empty($lp))
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+ {
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+ $lp=0;
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+ }
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+
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+ if (empty($destination))
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+ {
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+ $destination=0;
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+ }
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+
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+
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+
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+ if ($url=='')
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+ {
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+ $url=0;
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+ }
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+
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+ //1@@1;2;@@2;4;4;@@http://www.dokeos.com
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+ $dest= $try.'@@'.$lp.'@@'.$destination.'@@'.$url;
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+ $objAnswer -> createAnswer($answer,$goodAnswer,$comment,$weighting,$i,NULL,NULL,$dest);
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+
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+ }
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+
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+
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+ // saves the answers into the data base
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+ $objAnswer -> save();
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+
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+ // sets the total weighting of the question
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|
+ $this -> updateWeighting($questionWeighting);
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|
+ $this -> save();
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+
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|
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+ }
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+}
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+endif;
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+?>
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