type = UNIQUE_ANSWER; $this->isContent = $this->getIsContent(); } /** * function which redifines Question::createAnswersForm * @param FormValidator instance */ public function createAnswersForm($form) { // Getting the exercise list /** @var Exercise $obj_ex */ $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 // The previous default value was 2. See task #1759. $nb_answers = isset($_POST['nb_answers']) ? (int)$_POST['nb_answers'] : 4; $nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0)); $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').'
'.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; } } $form->addElement('hidden', 'nb_answers'); $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] = Text::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)) { $answer_id = $answer->getRealAnswerIdFromList($i); if ($answer->correct[$answer_id]) { $correct = $i; } $defaults['answer['.$i.']'] = $answer->answer[$answer_id]; $defaults['comment['.$i.']'] = $answer->comment[$answer_id]; $defaults['weighting['.$i.']'] = Text::float_format($answer->weighting[$answer_id], 1); if (!empty($answer->destination[$answer_id])) { $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; } } 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, $i, 'class="checkbox" style="margin-left: 0em;"'); if ($obj_ex->fastEdition) { $form->addElement('textarea', 'answer['.$i.']', null, $this->textareaSettings); } else { $form->addElement('html_editor', 'answer['.$i.']', null, 'style="vertical-align:middle"', $editor_config); } $form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required'); if ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_END) { if ($obj_ex->fastEdition) { // feedback $form->addElement( 'textarea', 'comment['.$i.']', null, $this->textareaSettings ); } else { // feedback $form->addElement( 'html_editor', 'comment['.$i.']', null, 'style="vertical-align:middle"', $editor_config ); } } elseif ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT) { // Feedback SELECT $question_list = $obj_ex->selectQuestionList(); $select_question = array(); $select_question[0] = get_lang('SelectTargetQuestion'); // @todo improve this loop if you have 5000 questions it will blow! if (is_array($question_list)) { foreach ($question_list as $key => $questionid) { //To avoid warning messages if (!is_numeric($questionid)) { continue; } $question = Question::read($questionid); if ($question) { $select_question[$questionid] = 'Q'.$key.' :'.Text::cut($question->selectTitle(), 20); } } } $select_question[-1] = get_lang('ExitTest'); $form->addElement( 'html_editor', 'comment['.$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', '
'); $navigator_info = api_get_navigator(); // ie6 fix. if ($form->isFrozen() == false) { 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', $this->submitText, 'class="'.$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'); } $form->addElement('html', ''); //We check the first radio button to be sure a radio button will be check if ($correct == 0) { $correct = 1; } $defaults['correct'] = $correct; if (!empty($this->id)) { $form->setDefaults($defaults); } else { // Auto fill question if ($this->isContent == 1) { $form->setDefaults($defaults); } else { // Default values $defaults = array(); $defaults['weighting[1]'] = 1; $defaults['correct'] = 1; $form->setDefaults($defaults); } } $form->setConstants(array('nb_answers' => $nb_answers)); } /** * abstract function which creates the form to create / edit the answers of the question * @param the formvalidator instance * @param the answers number to display */ public function processAnswersCreation($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); $this->save(); } /** * {@inheritdoc} */ public function return_header($feedback_type = null, $counter = null, $score = null, $show_media = false, $hideTitle = 0) { $header = parent::return_header($feedback_type, $counter, $score, $show_media, $hideTitle); $header .= ''; if ($feedback_type != EXERCISE_FEEDBACK_TYPE_EXAM) { $header .= ''; } else { $header .= ''; } $header .= ''; return $header; } /** * Create database record for the given answer * @param int The answer ID (technically 1 is OK if you don't know) * @param int The question this answer is attached to * @param string The answer itself * @param string The answer comment (shown as feedback if enabled) * @param float Score given by this answer if selected (can be negative) * @param int Whether this answer is considered correct (1) or not (0) * @param int The course ID - if not provided, will be guessed from the context * @return void * @assert (1,null,'a','',1,1,null) === false * @assert (1,1,'','',1,1,null) === false */ public function create_answer( $id = 1, $question_id, $answer_title, $comment = '', $score = 0, $correct = 0, $course_id = null ) { if (empty($question_id) or empty($answer_title)) { return false; } $tbl_quiz_answer = Database::get_course_table(TABLE_QUIZ_ANSWER); $tbl_quiz_question = Database::get_course_table(TABLE_QUIZ_QUESTION); if (empty($course_id)) { $course_id = api_get_course_int_id(); } $question_id = filter_var($question_id, FILTER_SANITIZE_NUMBER_INT); $score = filter_var($score, FILTER_SANITIZE_NUMBER_FLOAT); $correct = filter_var($correct, FILTER_SANITIZE_NUMBER_INT); if (empty($question_id) or empty($score) or empty($correct)) { return false; } // Get the max position $sql = "SELECT max(position) as max_position FROM $tbl_quiz_answer WHERE 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 $tbl_quiz_answer (question_id,answer,correct,comment,ponderation,position,destination)" ."VALUES ($question_id, '".Database::escape_string($answer_title)."'," ."$correct,'".Database::escape_string($comment)."',$score,$position, " ." '0@@0@@0@@0')"; Database::query($sql); if ($correct) { $sql = "UPDATE $tbl_quiz_question SET ponderation = (ponderation + $score) WHERE iid = ".$question_id; $rs = Database::query($sql); return $rs; } } }

'.get_lang("Choice").'	'.get_lang("ExpectedChoice").'	'.get_lang("Answer").'	'.get_lang("Comment").'