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- <?php
- /*
- DOKEOS - elearning and course management software
- For a full list of contributors, see documentation/credits.html
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- See "documentation/licence.html" more details.
- Contact:
- Dokeos
- Rue des Palais 44 Paleizenstraat
- B-1030 Brussels - Belgium
- Tel. +32 (2) 211 34 56
- */
- /**
- * File containing the UNIQUE_ANSWER class.
- * @package dokeos.exercise
- * @author Eric Marguin
- * @version $Id: admin.php 10680 2007-01-11 21:26:23Z pcool $
- */
- if(!class_exists('UniqueAnswer')):
- /**
- 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 dokeos.exercise
- **/
- class UniqueAnswer extends Question {
- static $typePicture = 'mcua.gif';
- static $explanationLangVar = 'UniqueSelect';
- /**
- * Constructor
- */
- function UniqueAnswer(){
- //this is highly important
- parent::question();
- $this -> type = UNIQUE_ANSWER;
- }
- /**
- * function which redifines Question::createAnswersForm
- * @param the formvalidator instance
- * @param the answers number to display
- */
- function createAnswersForm ($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'] : 2;
- $nb_answers += (isset($_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>';
- }
- $html='
- <div class="row">
- <div class="label">
- '.get_lang('Answers').' <br /> <img src="../img/fill_field.png">
- </div>
- <div class="formw">
- <table class="data_table">
- <tr style="text-align: center;">
- <th width="10px">
- '.get_lang('Number').'
- </th>
- <th width="10px" >
- '.get_lang('True').'
- </th>
- <th width="45%">
- '.get_lang('Answer').'
- </th>
- '.$comment_title.'
- '.$feedback_title.'
- <th width="20px">
- '.get_lang('Weighting').'
- </th>
- </tr>';
- $form -> addElement ('html', $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');
- //Feedback SELECT
- $question_list=$obj_ex->selectQuestionList();
- $select_question=array();
- $select_question[0]=get_lang('SelectTargetQuestion');
- require_once('../newscorm/learnpathList.class.php');
- require_once(api_get_path(LIBRARY_PATH).'text.lib.php');
- if (is_array($question_list)) {
- foreach ($question_list as $key=>$questionid) {
- $question = Question::read($questionid);
- $select_question[$questionid]='Q'.$key.' :'.cut($question->selectTitle(),20);
- }
- }
- $select_question[-1]=get_lang('ExitTest');
- //LP SELECT
- require_once('../newscorm/learnpathList.class.php');
- //require_once('../newscorm/learnpath.class.php');
- //require_once('../newscorm/learnpathItem.class.php');
- $list = new LearnpathList(api_get_user_id());
- $flat_list = $list->get_flat_list();
- $select_lp_id=array();
- $select_lp_id[0]=get_lang('SelectTargetLP');
- foreach ($flat_list as $id => $details)
- {
- $select_lp_id[$id] = cut($details['lp_name'],20);
- }
- $temp_scenario=array();
-
- if ($nb_answers < 1) {
- $nb_answers = 1;
- Display::display_normal_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
- }
-
- for($i = 1 ; $i <= $nb_answers ; ++$i)
- {
-
- $form -> addElement ('html', '<tr>');
- if(is_object($answer))
- {
- if($answer -> correct[$i])
- {
- $correct = $i;
- }
-
- $defaults['answer['.$i.']'] = $answer -> answer[$i];
- $defaults['comment['.$i.']'] = $answer -> comment[$i];
- $defaults['weighting['.$i.']'] = float_format($answer -> weighting[$i], 1);
-
- $item_list=explode('@@',$answer -> destination[$i]);
- //echo '<pre>'; print_r($item_list);
-
- $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]=$list_dest;
-
-
- /*$pre_list_destination=explode(';',$list_dest);
- $list_destination=array();
- foreach($pre_list_destination as $value)
- {
- $list_destination[]=$value;
- }
- $defaults['destination'.$i]=$list_destination;
- */
- //$defaults['destination'.$i] = $list_destination;
- } else {
- $defaults['answer[1]'] = get_lang('langDefaultUniqueAnswer1');
- $defaults['weighting[1]'] = 10;
- $defaults['answer[2]'] = get_lang('langDefaultUniqueAnswer2');
- $defaults['weighting[2]'] = 0;
-
- $temp_scenario['destination'.$i] = array('0');
- $temp_scenario['lp'.$i] = array('0');
- //$defaults['scenario']
- }
-
- $defaults['scenario']=$temp_scenario;
- $renderer = & $form->defaultRenderer();
- $renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>');
- $answer_number=$form->addElement('text', null,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);
- $form->addRule('answer['.$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) {
- // direct feedback
- $form->addElement('html_editor', 'comment['.$i.']', null, 'style="vertical-align:middle"', $editor_config);
- //Adding extra feedback fields
- $group = array();
- $group['try'.$i] =&$form->createElement('checkbox', 'try'.$i,get_lang('TryAgain').': ' );
- $group['lp'.$i] =&$form->createElement('select', 'lp'.$i,get_lang('SeeTheory').': ',$select_lp_id);
- $group['destination'.$i]=&$form->createElement('select', 'destination'.$i, get_lang('GoToQuestion').': ' ,$select_question);
- $group['url'.$i] =&$form->createElement('text', 'url'.$i,get_lang('Other').': ',array('size'=>'25px'));
-
- $form -> addGroup($group, 'scenario', 'scenario');
- $renderer->setGroupElementTemplate('<div class="exercise_scenario_label">{label}</div><div class="exercise_scenario_element">{element}</div>','scenario');
- }
-
- //$form->addElement('select', 'destination'.$i, get_lang('SelectQuestion').' : ',$select_question,'multiple');
-
- $form->addElement('text', 'weighting['.$i.']',null, 'style="vertical-align:middle;margin-left: 0em;" size="5" value="10"');
- $form -> addElement ('html', '</tr>');
- }
- $form -> addElement ('html', '</table>');
- $form -> addElement ('html', '<br />');
- $navigator_info = api_get_navigator();
-
- global $text, $class;
- //ie6 fix
- if ($navigator_info['name']=='Internet Explorer' && $navigator_info['version']=='6') {
- $form->addElement('submit', 'lessAnswers', get_lang('LessAnswer'),'class="minus"');
- $form->addElement('submit', 'moreAnswers', get_lang('PlusAnswer'),'class="plus"');
- $form->addElement('submit','submitQuestion',$text, 'class="'.$class.'"');
- } else {
- $form->addElement('style_submit_button', 'lessAnswers', get_lang('LessAnswer'),'class="minus"');
- $form->addElement('style_submit_button', 'moreAnswers', get_lang('PlusAnswer'),'class="plus"');
- // setting the save button here and not in the question class.php
- $form->addElement('style_submit_button','submitQuestion',$text, 'class="'.$class.'"');
- }
- $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;
- $form -> setDefaults($defaults);
- $form->setConstants(array('nb_answers' => $nb_answers));
- }
- /**
- * abstract function which creates the form to create / edit the answers of the question
- * @param the formvalidator instance
- * @param the answers number to display
- */
- function processAnswersCreation($form) {
- $questionWeighting = $nbrGoodAnswers = 0;
- $correct = $form -> getSubmitValue('correct');
- $objAnswer = new Answer($this->id);
- $nb_answers = $form -> getSubmitValue('nb_answers');
- for($i=1 ; $i <= $nb_answers ; $i++)
- {
- $answer = trim($form -> getSubmitValue('answer['.$i.']'));
- $comment = trim($form -> getSubmitValue('comment['.$i.']'));
- $weighting = trim($form -> getSubmitValue('weighting['.$i.']'));
- $scenario= $form -> getSubmitValue('scenario');
- echo '<pre>';
- //$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.dokeos.com
- 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.dokeos.com
- $dest= $try.'@@'.$lp.'@@'.$destination.'@@'.$url;
- $objAnswer -> createAnswer($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();
- }
- }
- endif;
- ?>
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