type = UNIQUE_ANSWER; $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'] : 4; // 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() == EXERCISE_FEEDBACK_TYPE_END) { $comment_title = ''.get_lang('Comment').''; } elseif ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT) { //Scenario $editor_config['Width'] = '250'; $editor_config['Height'] = '110'; $comment_title = ''.get_lang('Comment').''; $feedback_title = ''.get_lang('Scenario').''; } $html=' '.$comment_title.' '.$feedback_title.' '; $form -> addElement ('label', get_lang('Answers').'
', $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(); $select_question[0] = get_lang('SelectTargetQuestion'); require_once '../newscorm/learnpathList.class.php'; if (is_array($question_list)) { foreach ($question_list as $key=>$questionid) { //To avoid warning messages if (!is_numeric($questionid)) { continue; } $question = Question::read($questionid); $select_question[$questionid]='Q'.$key.' :'.cut($question->selectTitle(),20); } } $select_question[-1] = get_lang('ExitTest'); $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) { $form -> addElement ('html', ''); if (isset($answer) && 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]); $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; } else { $defaults['answer[1]'] = get_lang('DefaultUniqueAnswer1'); $defaults['weighting[1]'] = 10; $defaults['answer[2]'] = get_lang('DefaultUniqueAnswer2'); $defaults['weighting[2]'] = 0; $temp_scenario['destination'.$i] = array('0'); $temp_scenario['lp'.$i] = array('0'); } $defaults['scenario'] = $temp_scenario; $renderer = $form->defaultRenderer(); $renderer->setElementTemplate('', 'correct'); $renderer->setElementTemplate('', 'counter['.$i.']'); $renderer->setElementTemplate('', 'answer['.$i.']'); $renderer->setElementTemplate('', 'comment['.$i.']'); $renderer->setElementTemplate('', 'weighting['.$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); $form->addRule('answer['.$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) { $form->addElement('html_editor', 'comment['.$i.']', null, 'style="vertical-align:middle"', $editor_config); // Direct feedback //Adding extra feedback fields $group = array(); $group['try'.$i] = $form->createElement('checkbox', 'try'.$i, null , 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('class'=>'span2', 'placeholder' => get_lang('Other'))); $form->addGroup($group, 'scenario'); $renderer->setElementTemplate(''); } $form -> addElement ('html', '
'.get_lang('Number').' '.get_lang('True').' '.get_lang('Answer').' '.get_lang('Weighting').'
{error}
{element}
{error}
{element}
{error}
{element}
{error}
{element}
{error}
{element}
{error}
{element}', 'scenario'); } $form->addElement('text', 'weighting['.$i.']', null, array('class' => "span1", 'value' => '0')); $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', 'lessAnswers', get_lang('LessAnswer'),'class="btn minus"'); $form->addElement('submit', 'moreAnswers', get_lang('PlusAnswer'),'class="btn plus"'); $form->addElement('submit','submitQuestion',$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 { if ($this -> isContent == 1) { $form -> setDefaults($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 = $form -> getSubmitValue('scenario'); //$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); } // 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); $header .= ''; if ($feedback_type != EXERCISE_FEEDBACK_TYPE_EXAM) { $header .= ''; } else { $header .= ''; } $header .= ''; return $header; } function create_answer($id, $question_id, $answer_title, $comment, $score = 0, $correct = 0) { $tbl_quiz_answer = Database::get_course_table(TABLE_QUIZ_ANSWER); $tbl_quiz_question = Database::get_course_table(TABLE_QUIZ_QUESTION); $course_id = api_get_course_int_id(); $position = 1; $question_id = filter_var($question_id,FILTER_SANITIZE_NUMBER_INT); $score = filter_var($score,FILTER_SANITIZE_NUMBER_FLOAT); $correct = filter_var($correct,FILTER_SANITIZE_NUMBER_INT); // Get the max position $sql = "SELECT max(position) as max_position FROM $tbl_quiz_answer " ." WHERE c_id = $course_id AND question_id = $question_id"; $rs_max = Database::query($sql); $row_max = Database::fetch_object($rs_max); $position = $row_max->max_position + 1; // Insert a new answer $sql = "INSERT INTO $tbl_quiz_answer " ."(c_id, id, question_id,answer,correct,comment,ponderation,position,destination)" ."VALUES ($course_id, $id,$question_id,'".Database::escape_string($answer_title)."'," ."$correct,'".Database::escape_string($comment)."',$score,$position, " ." '0@@0@@0@@0')"; $rs = Database::query($sql); if ($correct) { $sql = "UPDATE $tbl_quiz_question " ." SET ponderation = (ponderation + $score) WHERE c_id = $course_id AND id = ".$question_id; $rs = Database::query($sql); } } } endif;
'.get_lang("Choice").' '. get_lang("ExpectedChoice").' '. get_lang("Answer").''.get_lang("Comment").'