type = UNIQUE_ANSWER; $this->isContent = $this->getIsContent(); } /** * function which redefines Question::createAnswersForm * @param FormValidator $form */ public function createAnswersForm($form) { // Getting the exercise list $obj_ex = $_SESSION['objExercise']; $editor_config = array( 'ToolbarSet' => 'zTestProposedAnswer', 'Width' => '100%', 'Height' => '125' ); //this line defines how many questions 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)); /* Types of Feedback $feedback_option[0]=get_lang('Feedback'); $feedback_option[1]=get_lang('DirectFeedback'); $feedback_option[2]=get_lang('NoFeedback'); */ $feedback_title = ''; if ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT) { //Scenario $comment_title = '' . get_lang('Comment') . ''; $feedback_title = '' . get_lang('Scenario') . ''; } else { $comment_title = '' . get_lang('Comment') . ''; } $html = ' ' . $comment_title . ' ' . $feedback_title . ' '; $form->addHeader(get_lang('Answers')); $form->addHtml($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(); $select_question[0] = get_lang('SelectTargetQuestion'); if (is_array($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) { $form->addHtml(''); if (isset($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]); $try = isset($item_list[0]) ? $item_list[0] : ''; $lp = isset($item_list[1]) ? $item_list[1] : ''; $list_dest = isset($item_list[2]) ? $item_list[2] : ''; $url = isset($item_list[3]) ? $item_list[3] : ''; if ($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"' ); $form->addHtmlEditor('answer[' . $i . ']', null, null, true, $editor_config); $form->addRule( 'answer[' . $i . ']', get_lang('ThisFieldIsRequired'), 'required' ); if ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT) { $form->addHtmlEditor('comment[' . $i . ']', null, null, false, $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' => 'col-md-2', 'placeholder' => get_lang('Other') ) ); $form->addGroup($group, 'scenario'); $renderer->setElementTemplate( ''); } $form->addHtml(''); $form->addHtml('

' . 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' ); } else { $form->addHtmlEditor('comment[' . $i . ']', null, null, false, $editor_config); } $form->addText('weighting[' . $i . ']', null, null, array('class' => "col-md-1", 'value' => '0')); $form->addHtml('

'); global $text; $buttonGroup = []; //ie6 fix if ($obj_ex->edit_exercise_in_lp == true) { //setting the save button here and not in the question class.php $buttonGroup[] = $form->addButtonDelete(get_lang('LessAnswer'), 'lessAnswers', true); $buttonGroup[] = $form->addButtonCreate(get_lang('PlusAnswer'), 'moreAnswers', true); $buttonGroup[] = $form->addButtonSave($text, 'submitQuestion', true); $form->addGroup($buttonGroup); } // 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) { // Default sample content. $form->setDefaults($defaults); } else { $form->setDefaults(array('correct' => 1)); } } $form->setConstants(array('nb_answers' => $nb_answers)); } /** * Receives the unique answer question type creation form data and creates * or updates the answers from that question * @param FormValidator $form */ public function processAnswersCreation($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(); } /** * Helper function to print the column titles in the answers edition form * @param null $feedback_type The type of feedback influences what columns are shown to the editor * @param null $counter The number of answers to show, in case there should be pagination * @param null $score The maximum score for the question * @return string HTML string for a table header + a wrapper before it */ public function return_header( $feedback_type = null, $counter = null, $score = null ) { $header = parent::return_header($feedback_type, $counter, $score); $header .= ''; $header .= ''; $header .= ''; return $header; } /** * Saves one answer to the database * @param int $id The ID of the answer (has to be calculated for this course) * @param int $question_id The question ID (to which the answer is attached) * @param string $title The text of the answer * @param string $comment The feedback for the answer * @param float|null $score The score you get when picking this answer * @param int|null $correct Whether this answer is considered *the* correct one (this is the unique answer type) */ public function addAnswer( $id, $question_id, $title, $comment, $score = 0.0, $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(); $question_id = intval($question_id); $score = floatval($score); $correct = intval($correct); $title = Database::escape_string($title); $comment = Database::escape_string($comment); // 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 $params = [ 'c_id' => $course_id, 'id' => $id, 'question_id' => $question_id, 'answer' => $title, 'correct' => $correct, 'comment' => $comment, 'ponderation' => $score, 'position' => $position, 'destination' => '0@@0@@0@@0', ]; $id = Database::insert($tbl_quiz_answer, $params); if ($id) { $sql = "UPDATE $tbl_quiz_answer SET id = iid WHERE iid = $id"; Database::query($sql); } if ($correct) { $sql = "UPDATE $tbl_quiz_question SET ponderation = (ponderation + $score) WHERE c_id = $course_id AND id = " . $question_id; Database::query($sql); } } }

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