* @version $Id: exercise.lib.php 22247 2009-07-20 15:57:25Z ivantcholakov $ * Modified by Hubert Borderiou 2011-10-21 Question Category */ /** * Code */ // The initialization class for the online editor is needed here. require_once dirname(__FILE__).'/../inc/lib/fckeditor/fckeditor.php'; /** * Shows a question * * @param int question id * @param bool if true only show the questions, no exercise title * @param bool origin i.e = learnpath * @param int current item from the list of questions * @param int number of total questions * */ function showQuestion($questionId, $only_questions = false, $origin = false, $current_item = '', $show_title = true, $freeze = false, $user_choice = array(), $show_comment = false, $exercise_feedback = null, $show_answers = false) { // Text direction for the current language $is_ltr_text_direction = api_get_text_direction() != 'rtl'; // Change false to true in the following line to enable answer hinting $debug_mark_answer = $show_answers; //api_is_allowed_to_edit() && false; // Reads question information if (!$objQuestionTmp = Question::read($questionId)) { // Question not found return false; } if ($exercise_feedback != EXERCISE_FEEDBACK_TYPE_END) { $show_comment = false; } $answerType = $objQuestionTmp->selectType(); $pictureName = $objQuestionTmp->selectPicture(); $html = ''; if ($answerType != HOT_SPOT && $answerType != HOT_SPOT_DELINEATION) { // Question is not a hotspot if (!$only_questions) { $questionDescription = $objQuestionTmp->selectDescription(); if ($show_title) { Testcategory::displayCategoryAndTitle($objQuestionTmp->id); // echo Display::div($current_item.'. '.$objQuestionTmp->selectTitle(), array('class'=>'question_title')); } if (!empty($questionDescription)) { echo Display::div($questionDescription, array('class'=>'question_description')); } } if (in_array($answerType, array(FREE_ANSWER, ORAL_EXPRESSION)) && $freeze) { return ''; } echo '
'; $s = ''; if ($show_comment) { $s .= ''; } else { //$s .= '
'; $s .= '
'; } // construction of the Answer object (also gets all answers details) $objAnswerTmp = new Answer($questionId); $nbrAnswers = $objAnswerTmp->selectNbrAnswers(); $course_id = api_get_course_int_id(); $quiz_question_options = Question::readQuestionOption($questionId, $course_id); // For "matching" type here, we need something a little bit special // because the match between the suggestions and the answers cannot be // done easily (suggestions and answers are in the same table), so we // have to go through answers first (elems with "correct" value to 0). $select_items = array(); //This will contain the number of answers on the left side. We call them // suggestions here, for the sake of comprehensions, while the ones // on the right side are called answers $num_suggestions = 0; if ($answerType == MATCHING) { $x = 1; //iterate through answers $letter = 'A'; //mark letters for each answer $answer_matching = $cpt1 = array(); for ($answerId=1; $answerId <= $nbrAnswers; $answerId++) { $answerCorrect = $objAnswerTmp->isCorrect($answerId); $numAnswer = $objAnswerTmp->selectAutoId($answerId); $answer=$objAnswerTmp->selectAnswer($answerId); if ($answerCorrect==0) { // options (A, B, C, ...) that will be put into the list-box // have the "correct" field set to 0 because they are answer $cpt1[$x] = $letter; $answer_matching[$x]=$objAnswerTmp->selectAnswerByAutoId($numAnswer); $x++; $letter++; } } $i = 1; $select_items[0]['id'] = 0; $select_items[0]['letter'] = '--'; $select_items[0]['answer'] = ''; foreach ($answer_matching as $id => $value) { $select_items[$i]['id'] = $value['id']; $select_items[$i]['letter'] = $cpt1[$id]; $select_items[$i]['answer'] = $value['answer']; $i ++; } $num_suggestions = ($nbrAnswers - $x) + 1; } elseif ($answerType == FREE_ANSWER) { $fck_content = isset($user_choice[0]) && !empty($user_choice[0]['answer']) ? $user_choice[0]['answer']:null; $oFCKeditor = new FCKeditor("choice[".$questionId."]") ; $oFCKeditor->ToolbarSet = 'TestFreeAnswer'; $oFCKeditor->Width = '100%'; $oFCKeditor->Height = '200'; $oFCKeditor->Value = $fck_content; $s .= ''; } elseif ($answerType == ORAL_EXPRESSION) { //Add nanog if (api_get_setting('enable_nanogong') == 'true') { require_once api_get_path(LIBRARY_PATH).'nanogong.lib.php'; //@todo pass this as a parameter global $exercise_stat_info, $exerciseId, $exe_id; if (!empty($exercise_stat_info)) { $params = array( 'exercise_id' => $exercise_stat_info['exe_exo_id'], 'exe_id' => $exercise_stat_info['exe_id'], 'question_id' => $questionId ); } else { $params = array( 'exercise_id' => $exerciseId, 'exe_id' => 'temp_exe', 'question_id' => $questionId ); } $nano = new Nanogong($params); echo $nano->show_button(); } $oFCKeditor = new FCKeditor("choice[".$questionId."]") ; $oFCKeditor->ToolbarSet = 'TestFreeAnswer'; $oFCKeditor->Width = '100%'; $oFCKeditor->Height = '150'; $oFCKeditor->ToolbarStartExpanded = false; $oFCKeditor->Value = '' ; $s .= ''; } // Now navigate through the possible answers, using the max number of // answers for the question as a limiter $lines_count = 1; // a counter for matching-type answers if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) { $header = ''; $header .= Display::tag('th', get_lang('Options')); foreach ($objQuestionTmp->options as $key=>$item) { $header .= Display::tag('th', $item); } if ($show_comment) { $header .= Display::tag('th', get_lang('Feedback')); } $s.= Display::tag('tr', $header, array('style'=>'text-align:left;')); } if ($show_comment) { if (in_array($answerType, array(MULTIPLE_ANSWER, MULTIPLE_ANSWER_COMBINATION, UNIQUE_ANSWER, UNIQUE_ANSWER_NO_OPTION, GLOBAL_MULTIPLE_ANSWER))) { $header = ''; $header .= Display::tag('th', get_lang('Options')); if ($exercise_feedback == EXERCISE_FEEDBACK_TYPE_END) { $header .= Display::tag('th', get_lang('Feedback')); } $s.= Display::tag('tr',$header, array('style'=>'text-align:left;')); } } $matching_correct_answer = 0; $user_choice_array = array(); if (!empty($user_choice)) { foreach($user_choice as $item) { $user_choice_array[] = $item['answer']; } } for ($answerId=1; $answerId <= $nbrAnswers; $answerId++) { $answer = $objAnswerTmp->selectAnswer($answerId); $answerCorrect = $objAnswerTmp->isCorrect($answerId); $numAnswer = $objAnswerTmp->selectAutoId($answerId); $comment = $objAnswerTmp->selectComment($answerId); // Unique answer if ($answerType == UNIQUE_ANSWER || $answerType == UNIQUE_ANSWER_NO_OPTION) { $input_id = 'choice-'.$questionId.'-'.$answerId; if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer ) { $attributes = array('id' =>$input_id, 'class'=>'checkbox','checked'=>1, 'selected'=>1); } else { $attributes = array('id' =>$input_id, 'class'=>'checkbox'); } if ($debug_mark_answer) { if ($answerCorrect) { $attributes['checked'] = 1; $attributes['selected'] = 1; } } $answer = Security::remove_XSS($answer, STUDENT); $s .= Display::input('hidden','choice2['.$questionId.']','0'); //@todo fix $is_ltr_text_direction //

//$s .= '

'. $s .= '
'; if ($show_comment) { $s .= ''; } $s .= ''; } elseif ($answerType == MULTIPLE_ANSWER || $answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == GLOBAL_MULTIPLE_ANSWER) { $input_id = 'choice-'.$questionId.'-'.$answerId; $answer = Security::remove_XSS($answer, STUDENT); if (in_array($numAnswer, $user_choice_array)) { $attributes = array('id' =>$input_id, 'class'=>'checkbox','checked'=>1, 'selected'=>1); } else { $attributes = array('id' =>$input_id, 'class'=>'checkbox'); } if ($debug_mark_answer) { if ($answerCorrect) { $attributes['checked'] = 1; $attributes['selected'] = 1; } } if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) { $s .= ''; $s .= ''; if ($show_comment) { $s .= ''; } $s .=''; } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) { $my_choice = array(); if (!empty($user_choice_array)) { foreach ($user_choice_array as $item) { $item = explode(':', $item); $my_choice[$item[0]] = $item[1]; } } $s .=''; $s .= Display::tag('td', $answer); if (!empty($quiz_question_options)) { foreach ($quiz_question_options as $id => $item) { if (isset($my_choice[$numAnswer]) && $id == $my_choice[$numAnswer]) { $attributes = array('class'=>'checkbox','checked'=>1, 'selected'=>1); } else { $attributes = array('class'=>'checkbox'); } if ($debug_mark_answer) { if ($id == $answerCorrect) { $attributes['checked'] = 1; $attributes['selected'] = 1; } } $s .= Display::tag('td', Display::input('radio', 'choice['.$questionId.']['.$numAnswer.']', $id, $attributes)); } } if ($show_comment) { $s .= ''; } $s.=''; } } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) { // multiple answers $input_id = 'choice-'.$questionId.'-'.$answerId; if (in_array($numAnswer, $user_choice_array)) { $attributes = array('id'=>$input_id, 'class'=>'checkbox','checked'=>1, 'selected'=>1); } else { $attributes = array('id'=>$input_id, 'class'=>'checkbox'); } if ($debug_mark_answer) { if ($answerCorrect) { $attributes['checked'] = 1; $attributes['selected'] = 1; } } $answer = Security::remove_XSS($answer, STUDENT); $s .= ''. ''; if ($show_comment) { $s .= ''; } $s.= ''; } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) { $s .= ''; $my_choice = array(); if (!empty($user_choice_array)) { foreach ($user_choice_array as $item) { $item = explode(':', $item); $my_choice[$item[0]] = $item[1]; } } $answer = Security::remove_XSS($answer, STUDENT); $s .=''; $s .= Display::tag('td', $answer); foreach ($objQuestionTmp->options as $key => $item) { if (isset($my_choice[$numAnswer]) && $key == $my_choice[$numAnswer]) { $attributes = array('class'=>'checkbox','checked' => 1, 'selected' => 1); } else { $attributes = array('class'=>'checkbox'); } if ($debug_mark_answer) { if ($key == $answerCorrect) { $attributes['checked'] = 1; $attributes['selected'] = 1; } } $s .= Display::tag('td', Display::input('radio', 'choice['.$questionId.']['.$numAnswer.']', $key, $attributes)); } if ($show_comment) { $s .= ''; } $s.=''; } elseif ($answerType == FILL_IN_BLANKS) { list($answer) = explode('::', $answer); api_preg_match_all('/\[[^]]+\]/', $answer, $teacher_answer_list); if (isset($user_choice[0]['answer'])) { api_preg_match_all('/\[[^]]+\]/', $user_choice[0]['answer'], $student_answer_list); $student_answer_list = $student_answer_list[0]; } if ($debug_mark_answer) { $student_answer_list = $teacher_answer_list[0]; } if (!empty($teacher_answer_list) && !empty($student_answer_list)) { $teacher_answer_list = $teacher_answer_list[0]; $i = 0; foreach ($teacher_answer_list as $teacher_item) { $value = null; if (isset($student_answer_list[$i]) && !empty($student_answer_list[$i])) { //Cleaning student answer list $value = strip_tags($student_answer_list[$i]); $value = api_substr($value,1, api_strlen($value)-2); $value = explode('/', $value); if (!empty($value[0])) { $value = trim($value[0]); $value = str_replace(' ', '', $value); } $answer = api_preg_replace('/\['.$teacher_item.'+\]/', Display::input('text', "choice[$questionId][]", $value), $answer); } $i++; } } else { $answer = api_preg_replace('/\[[^]]+\]/', Display::input('text', "choice[$questionId][]", '', $attributes), $answer); } $s .= ''; } elseif ($answerType == MATCHING) { // matching type, showing suggestions and answers // TODO: replace $answerId by $numAnswer if ($answerCorrect != 0) { // only show elements to be answered (not the contents of // the select boxes, who are corrrect = 0) $s .= ''; //middle part (matches selects) $s .= ''; //print_r($select_items); //right part (answers) $s.=''; $s .= ''; $lines_count++; //if the left side of the "matching" has been completely // shown but the right side still has values to show... if (($lines_count -1) == $num_suggestions) { // if it remains answers to shown at the right side while (isset($select_items[$lines_count])) { $s .= '"; $lines_count++; } // end while() } // end if() $matching_correct_answer++; } } } // end for() $s .= '
'; $s .= $oFCKeditor->CreateHtml(); $s .= '
'; $s .= $oFCKeditor->CreateHtml(); $s .= '
'; $s .= ''; $s .= Display::input('radio', 'choice['.$questionId.']', $numAnswer, $attributes); $s .= Display::tag('label', $answer, array('for'=>$input_id)).''; $s .= ''; $s .= $comment; $s .= '
'; $s .= ''; $s .= Display::tag('span', Display::input('checkbox', 'choice['.$questionId.']['.$numAnswer.']', $numAnswer, $attributes)); $s .= Display::tag('label', $answer, array('for'=>$input_id)).''; $s .= $comment; $s .= '
'; $s .= $comment; $s .= '
'; $s .= ''; $s .= Display::tag('span', Display::input('checkbox', 'choice['.$questionId.']['.$numAnswer.']', 1, $attributes)); $s .= Display::tag('label', $answer, array('for'=>$input_id)).''; $s .= $comment; $s .= '
'; $s .= $comment; $s .= '
'.$answer.'
'; $parsed_answer = $answer; //left part questions $s .= ' '.$lines_count.' '.$parsed_answer.'   '; if (isset($select_items[$lines_count])) { $s.=''.$select_items[$lines_count]['letter'].'.'. ''.$select_items[$lines_count]['answer'].''; } else { $s.=' '; } $s .= '
'; $s.=''.$select_items[$lines_count]['letter'].'. '.$select_items[$lines_count]['answer']; $s.="
'; $s .= '
'; // destruction of the Answer object unset($objAnswerTmp); // destruction of the Question object unset($objQuestionTmp); if ($origin != 'export') { echo $s; } else { return $s; } } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) { // Question is a HOT_SPOT //checking document/images visibility if (api_is_platform_admin() || api_is_course_admin()) { require_once api_get_path(LIBRARY_PATH).'document.lib.php'; $course = api_get_course_info(); $doc_id = DocumentManager::get_document_id($course, '/images/'.$pictureName); if (is_numeric($doc_id)) { $images_folder_visibility = api_get_item_visibility($course,'document', $doc_id, api_get_session_id()); if (!$images_folder_visibility) { //This message is shown only to the course/platform admin if the image is set to visibility = false Display::display_warning_message(get_lang('ChangeTheVisibilityOfTheCurrentImage')); } } } $questionName = $objQuestionTmp->selectTitle(); $questionDescription = $objQuestionTmp->selectDescription(); if ($freeze) { echo Display::img($objQuestionTmp->selectPicturePath()); return; } // Get the answers, make a list $objAnswerTmp = new Answer($questionId); $nbrAnswers = $objAnswerTmp->selectNbrAnswers(); // get answers of hotpost $answers_hotspot = array(); for ($answerId=1;$answerId <= $nbrAnswers;$answerId++) { $answers = $objAnswerTmp->selectAnswerByAutoId($objAnswerTmp->selectAutoId($answerId)); $answers_hotspot[$answers['id']] = $objAnswerTmp->selectAnswer($answerId); } // display answers of hotpost order by id $answer_list = '
'.get_lang('HotspotZones').'
'; if (!empty($answers_hotspot)) { ksort($answers_hotspot); foreach ($answers_hotspot as $key => $value) { $answer_list .= '
'.$key.'.- '.$value.'

'; } } $answer_list .= '
'; if ($answerType == HOT_SPOT_DELINEATION) { $answer_list=''; $swf_file = 'hotspot_delineation_user'; $swf_height = 405; } else { $swf_file = 'hotspot_user'; $swf_height = 436; } if (!$only_questions) { if ($show_title) { Testcategory::displayCategoryAndTitle($objQuestionTmp->id); echo '
'.$current_item.'. '.$questionName.'
'; } //@todo I need to the get the feedback type echo ''; echo ''; } $canClick = isset($_GET['editQuestion']) ? '0' : (isset($_GET['modifyAnswers']) ? '0' : '1'); $s .= ''; $s .= ''; echo $s; } echo '
'; echo $questionDescription; echo '
'.$answer_list.'
'; return $nbrAnswers; } function get_exercise_track_exercise_info($exe_id) { $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST); $TBL_TRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES); $exe_id = intval($exe_id); $result = array(); if (!empty($exe_id)) { $sql_fb_type = 'SELECT * FROM '.$TBL_EXERCICES.' as e INNER JOIN '.$TBL_TRACK_EXERCICES.' as te ON (e.id=te.exe_exo_id) WHERE te.exe_id='.$exe_id; $res_fb_type = Database::query($sql_fb_type); $result = Database::fetch_array($res_fb_type, 'ASSOC'); } return $result; } /** * Validates the time control key */ function exercise_time_control_is_valid($exercise_id, $lp_id = 0 , $lp_item_id = 0) { $course_id = api_get_course_int_id(); $exercise_id = intval($exercise_id); $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST); $sql = "SELECT expired_time FROM $TBL_EXERCICES WHERE c_id = $course_id AND id = $exercise_id"; $result = Database::query($sql); $row = Database::fetch_array($result, 'ASSOC'); if (!empty($row['expired_time']) ) { $current_expired_time_key = get_time_control_key($exercise_id, $lp_id, $lp_item_id); if (isset($_SESSION['expired_time'][$current_expired_time_key])) { $current_time = time(); $expired_time = api_strtotime($_SESSION['expired_time'][$current_expired_time_key], 'UTC'); $total_time_allowed = $expired_time + 30; //error_log('expired time converted + 30: '.$total_time_allowed); //error_log('$current_time: '.$current_time); if ($total_time_allowed < $current_time) { return false; } return true; } else { return false; } } else { return true; } } /** Deletes the time control token */ function exercise_time_control_delete($exercise_id, $lp_id = 0 , $lp_item_id = 0) { $current_expired_time_key = get_time_control_key($exercise_id, $lp_id, $lp_item_id); unset($_SESSION['expired_time'][$current_expired_time_key]); } /** Generates the time control key */ function get_time_control_key($exercise_id, $lp_id = 0, $lp_item_id = 0) { $exercise_id = intval($exercise_id); $lp_id = intval($lp_id); $lp_item_id = intval($lp_item_id); return api_get_course_int_id().'_'.api_get_session_id().'_'.$exercise_id.'_'.api_get_user_id().'_'.$lp_id.'_'.$lp_item_id; } /** * Get session time control */ function get_session_time_control_key($exercise_id, $lp_id = 0, $lp_item_id = 0) { $time_control_key = get_time_control_key($exercise_id, $lp_id, $lp_item_id); $return_value = $_SESSION['expired_time'][$time_control_key]; return $return_value; } /** * Gets count of exam results * @todo this function should be moved in a library + no global calls */ function get_count_exam_results($exercise_id, $extra_where_conditions) { $count = get_exam_results_data(null, null, null, null, $exercise_id, $extra_where_conditions, true); return $count; } /** * Gets the exam'data results * @todo this function should be moved in a library + no global calls */ function get_exam_results_data($from, $number_of_items, $column, $direction, $exercise_id, $extra_where_conditions = null, $get_count = false) { //@todo replace all this globals global $documentPath, $filter; if (empty($extra_where_conditions)) { $extra_where_conditions = "1 = 1 "; } $course_id = api_get_course_int_id(); $course_code = api_get_course_id(); $is_allowedToEdit = api_is_allowed_to_edit(null,true) || api_is_allowed_to_edit(true) || api_is_drh(); $TBL_USER = Database :: get_main_table(TABLE_MAIN_USER); $TBL_EXERCICES = Database :: get_course_table(TABLE_QUIZ_TEST); $TBL_GROUP_REL_USER = Database :: get_course_table(TABLE_GROUP_USER); $TBL_GROUP = Database :: get_course_table(TABLE_GROUP); $TBL_TRACK_EXERCICES = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES); $TBL_TRACK_HOTPOTATOES = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES); $TBL_TRACK_ATTEMPT_RECORDING= Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING); $session_id_and = ' AND te.session_id = '.api_get_session_id().' '; $exercise_id = intval($exercise_id); $exercise_where = ''; if (!empty($exercise_id)) { $exercise_where .= ' AND te.exe_exo_id = '.$exercise_id.' '; } $hotpotatoe_where = ''; if (!empty($_GET['path'])) { $hotpotatoe_path = Database::escape_string($_GET['path']); $hotpotatoe_where .= ' AND exe_name = "'.$hotpotatoe_path.'" '; } // sql for chamilo-type tests for teacher / tutor view $sql_inner_join_tbl_track_exercices = " ( SELECT DISTINCT ttte.*, if(tr.exe_id,1, 0) as revised FROM $TBL_TRACK_EXERCICES ttte LEFT JOIN $TBL_TRACK_ATTEMPT_RECORDING tr ON (ttte.exe_id = tr.exe_id) WHERE exe_cours_id = '$course_code' AND exe_exo_id = $exercise_id AND ttte.session_id = ".api_get_session_id()." )"; if ($is_allowedToEdit) { //Teacher view if (isset($_GET['gradebook']) && $_GET['gradebook'] == 'view') { //$exercise_where_query = ' te.exe_exo_id = ce.id AND '; } $sqlFromOption = ""; $sqlWhereOption = ""; // for hpsql //@todo fix to work with COURSE_RELATION_TYPE_RRHH in both queries //Hack in order to filter groups $sql_inner_join_tbl_user = ''; if (strpos($extra_where_conditions, 'group_id')) { $sql_inner_join_tbl_user = " ( SELECT u.user_id, firstname, lastname, email, username, g.name as group_name, g.id as group_id FROM $TBL_USER u INNER JOIN $TBL_GROUP_REL_USER gru ON ( gru.user_id = u.user_id AND gru.c_id=".$course_id.") INNER JOIN $TBL_GROUP g ON (gru.group_id = g.id) )"; } if (strpos($extra_where_conditions, 'group_all')) { $extra_where_conditions = str_replace("AND ( group_id = 'group_all' )", '', $extra_where_conditions); $extra_where_conditions = str_replace("AND group_id = 'group_all'", '', $extra_where_conditions); $extra_where_conditions = str_replace("group_id = 'group_all' AND", '', $extra_where_conditions); $sql_inner_join_tbl_user = " ( SELECT u.user_id, firstname, lastname, email, username, '' as group_name, '' as group_id FROM $TBL_USER u )"; $sql_inner_join_tbl_user = null; } if (strpos($extra_where_conditions, 'group_none')) { $extra_where_conditions = str_replace("AND ( group_id = 'group_none' )", "AND ( group_id is null )", $extra_where_conditions); $extra_where_conditions = str_replace("AND group_id = 'group_none'", "AND ( group_id is null )", $extra_where_conditions); $sql_inner_join_tbl_user = " ( SELECT u.user_id, firstname, lastname, email, username, g.name as group_name, g.id as group_id FROM $TBL_USER u LEFT OUTER JOIN $TBL_GROUP_REL_USER gru ON ( gru.user_id = u.user_id AND gru.c_id=".$course_id." ) LEFT OUTER JOIN $TBL_GROUP g ON (gru.group_id = g.id AND g.c_id = ".$course_id.") )"; } //All $is_empty_sql_inner_join_tbl_user = false; if (empty($sql_inner_join_tbl_user)) { $is_empty_sql_inner_join_tbl_user = true; $sql_inner_join_tbl_user = " ( SELECT u.user_id, firstname, lastname, email, username, ' ' as group_name, '' as group_id FROM $TBL_USER u )"; } $sqlFromOption = " , $TBL_GROUP_REL_USER AS gru "; $sqlWhereOption = " AND gru.c_id = ".api_get_course_int_id()." AND gru.user_id = user.user_id "; $first_and_last_name = api_is_western_name_order() ? "firstname, lastname" : "lastname, firstname"; if ($get_count) { $sql_select = "SELECT count(te.exe_id) "; } else { $sql_select = "SELECT DISTINCT user_id, $first_and_last_name, ce.title, username, te.exe_result, te.exe_weighting, te.exe_date, te.exe_id, email as exemail, te.start_date, steps_counter, exe_user_id, te.exe_duration, propagate_neg, revised, group_name, group_id"; } $sql = " $sql_select FROM $TBL_EXERCICES AS ce INNER JOIN $sql_inner_join_tbl_track_exercices AS te ON (te.exe_exo_id = ce.id) INNER JOIN $sql_inner_join_tbl_user AS user ON (user.user_id = exe_user_id) WHERE $extra_where_conditions AND te.status != 'incomplete' AND te.exe_cours_id='" . api_get_course_id() . "' $session_id_and AND ce.active <>-1 AND orig_lp_id = 0 AND orig_lp_item_id = 0 AND ce.c_id=".api_get_course_int_id()." $exercise_where "; // sql for hotpotatoes tests for teacher / tutor view if ($get_count) { $hpsql_select = "SELECT count(username)"; } else { $hpsql_select = "SELECT $first_and_last_name , username, tth.exe_name, tth.exe_result , tth.exe_weighting, tth.exe_date"; } $hpsql = " $hpsql_select FROM $TBL_TRACK_HOTPOTATOES tth, $TBL_USER user $sqlFromOption WHERE user.user_id=tth.exe_user_id AND tth.exe_cours_id = '" . api_get_course_id()."' $hotpotatoe_where $sqlWhereOption AND $where_condition ORDER BY tth.exe_cours_id ASC, tth.exe_date DESC"; } if ($get_count) { $resx = Database::query($sql); $rowx = Database::fetch_row($resx,'ASSOC'); return $rowx[0]; } $teacher_list = CourseManager::get_teacher_list_from_course_code(api_get_course_id()); $teacher_id_list = array(); foreach ($teacher_list as $teacher) { $teacher_id_list[] = $teacher['user_id']; } //Simple exercises if (empty($hotpotatoe_where)) { $column = !empty($column) ? Database::escape_string($column) : null; $from = intval($from); $number_of_items = intval($number_of_items); if (!empty($column)) { $sql .= " ORDER BY $column $direction "; } $sql .= " LIMIT $from, $number_of_items"; $results = array(); $resx = Database::query($sql); while ($rowx = Database::fetch_array($resx,'ASSOC')) { $results[] = $rowx; } $list_info = array(); $group_list = GroupManager::get_group_list(); $clean_group_list = array(); if (!empty($group_list)) { foreach ($group_list as $group) { $clean_group_list[$group['id']] = $group['name']; } } if (is_array($results)) { $users_array_id = array(); if ($_GET['gradebook'] == 'view') { $from_gradebook = true; } $sizeof = count($results); $user_list_id = array (); $locked = api_resource_is_locked_by_gradebook($exercise_id, LINK_EXERCISE); //Looping results for ($i = 0; $i < $sizeof; $i++) { $revised = $results[$i]['revised']; if ($from_gradebook && ($is_allowedToEdit)) { if (in_array($results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'], $users_array_id)) { continue; } $users_array_id[] = $results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname']; } //Add all groups by user $group_name_list = null; if ($is_empty_sql_inner_join_tbl_user) { $group_list = GroupManager::get_group_ids(api_get_course_int_id(), $results[$i]['user_id']); foreach ($group_list as $id) { $group_name_list .= $clean_group_list[$id].' '; } $results[$i]['group_name'] = $group_name_list; } $results[$i]['exe_duration'] = !empty($results[$i]['exe_duration']) ? round($results[$i]['exe_duration'] / 60) : 0; $user_list_id[] = $results[$i]['exe_user_id']; $id = $results[$i]['exe_id']; $dt = api_convert_and_format_date($results[$i]['exe_weighting']); // we filter the results if we have the permission to if (isset($results[$i]['results_disabled'])) { $result_disabled = intval($results[$i]['results_disabled']); } else { $result_disabled = 0; } if ($result_disabled == 0) { $my_res = $results[$i]['exe_result']; $my_total = $results[$i]['exe_weighting']; $results[$i]['start_date'] = api_get_local_time($results[$i]['start_date']); $results[$i]['exe_date'] = api_get_local_time($results[$i]['exe_date']); if (!$results[$i]['propagate_neg'] && $my_res < 0) { $my_res = 0; } $score = show_score($my_res, $my_total); $actions = ''; if ($is_allowedToEdit) { if (isset($teacher_id_list)) { if (in_array($results[$i]['exe_user_id'], $teacher_id_list)) { $actions .= Display::return_icon('teachers.gif', get_lang('Teacher')); } } if ($revised) { $actions .= "".Display :: return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL); $actions .= ' '; } else { $actions .="".Display :: return_icon('quiz.gif', get_lang('Qualify')); $actions .=' '; } $actions .=""; if ($is_allowedToEdit) { if ($filter==2){ $actions .=' ' .Display :: return_icon('history.gif', get_lang('ViewHistoryChange')).''; } } if (api_is_platform_admin()) { if ($locked == false) { $actions .=' '.Display :: return_icon('delete.png', get_lang('Delete')).''; $actions .=' '; } } } else { $attempt_url = api_get_path(WEB_CODE_PATH).'exercice/result.php?'.api_get_cidreq().'&id='.$results[$i]['exe_id'].'&id_session='.api_get_session_id().'&height=500&width=750'; $attempt_link = Display::url(get_lang('Show'), $attempt_url, array('class'=>'ajax btn')); $actions .= $attempt_link; } if ($revised) { $revised = Display::label(get_lang('Validated'), 'success'); } else { $revised = Display::label(get_lang('NotValidated'), 'info'); } if ($is_allowedToEdit) { $results[$i]['status'] = $revised; $results[$i]['score'] = $score; $results[$i]['actions'] = $actions; $list_info[] = $results[$i]; } else { $results[$i]['status'] = $revised; $results[$i]['score'] = $score; $results[$i]['actions'] = $actions; $list_info[] = $results[$i]; } } } } } else { //echo $hpsql; var_dump($hpsql); $hpresults = getManyResultsXCol($hpsql, 6); // Print HotPotatoes test results. if (is_array($hpresults)) { for ($i = 0; $i < sizeof($hpresults); $i++) { $hp_title = GetQuizName($hpresults[$i][3], $documentPath); if ($hp_title == '') { $hp_title = basename($hpresults[$i][3]); } //var_dump($hpresults[$i]); $hp_date = api_get_local_time($hpresults[$i][6], null, date_default_timezone_get()); $hp_result = round(($hpresults[$i][4] / ($hpresults[$i][5] != 0 ? $hpresults[$i][5] : 1)) * 100, 2).'% ('.$hpresults[$i][4].' / '.$hpresults[$i][5].')'; if ($is_allowedToEdit) { $list_info[] = array($hpresults[$i][0], $hpresults[$i][1], $hpresults[$i][2], '', $hp_title, '-', $hp_date , $hp_result , '-'); } else { $list_info[] = array($hp_title, '-', $hp_date , $hp_result , '-'); } } } } return $list_info; } /** * Converts the score with the exercise_max_note and exercise_min_score the platform settings + formats the results using the float_format function * * @param float score * @param float weight * @param bool show porcentage or not * @param bool use or not the platform settings * @return string an html with the score modified */ function show_score($score, $weight, $show_percentage = true, $use_platform_settings = true, $show_success_message = false, $pass_percentage = null) { if (is_null($score) && is_null($weight)) { return '-'; } $html = ''; $score_rounded = $score; $max_note = api_get_setting('exercise_max_score'); $min_note = api_get_setting('exercise_min_score'); if ($use_platform_settings) { if ($max_note != '' && $min_note != '') { if (!empty($weight) && intval($weight) != 0) { $score = $min_note + ($max_note - $min_note) * $score /$weight; } else { $score = $min_note; } $weight = $max_note; } } $score_rounded = float_format($score, 1); $weight = float_format($weight, 1); $percentage = float_format(($score / ($weight != 0 ? $weight : 1)) * 100, 1); if ($show_percentage) { $parent = '(' . $score_rounded . ' / ' . $weight . ')'; $html = $percentage." % $parent"; } else { $html = $score_rounded . ' / ' . $weight; } if ($show_success_message && isset($pass_percentage) && !empty($pass_percentage)) { if ($percentage >= $pass_percentage) { $html .= Display::return_message(get_lang('CongratulationsYouPassedTheTest'), 'success'); } else { $html .= Display::return_message(get_lang('YouDidNotReachTheMinimumScore'), 'warning'); } } return $html; } /** * Converts a numeric value in a percentage example 0.66666 to 66.67 % * @param $value * @return float Converted number */ function convert_to_percentage($value) { $return = '-'; if ($value != '') { $return = float_format($value * 100, 1).' %'; } return $return; } /** * Converts a score/weight values to the platform scale * @param float score * @param float weight * @return float the score rounded converted to the new range */ function convert_score($score, $weight) { $max_note = api_get_setting('exercise_max_score'); $min_note = api_get_setting('exercise_min_score'); if ($score != '' && $weight != '') { if ($max_note != '' && $min_note != '') { if (!empty($weight)) { $score = $min_note + ($max_note - $min_note) * $score / $weight; } else { $score = $min_note; } } } $score_rounded = float_format($score, 1); return $score_rounded; } /** * Getting all active exercises from a course from a session (if a session_id is provided we will show all the exercises in the course + all exercises in the session) * @param array course data * @param int session id * @return array array with exercise data */ function get_all_exercises($course_info = null, $session_id = 0, $check_publication_dates = false) { $TBL_EXERCICES = Database :: get_course_table(TABLE_QUIZ_TEST); $course_id = api_get_course_int_id(); if (!empty($course_info) && !empty($course_info['real_id'])) { $course_id = $course_info['real_id']; } if ($session_id == -1) { $session_id = 0; } $now = api_get_utc_datetime(); $time_conditions = ''; if ($check_publication_dates) { $time_conditions = " AND ((start_time <> '0000-00-00 00:00:00' AND start_time < '$now' AND end_time <> '0000-00-00 00:00:00' AND end_time > '$now' ) OR "; //start and end are set $time_conditions .= " (start_time <> '0000-00-00 00:00:00' AND start_time < '$now' AND end_time = '0000-00-00 00:00:00') OR "; // only start is set $time_conditions .= " (start_time = '0000-00-00 00:00:00' AND end_time <> '0000-00-00 00:00:00' AND end_time > '$now') OR "; // only end is set $time_conditions .= " (start_time = '0000-00-00 00:00:00' AND end_time = '0000-00-00 00:00:00')) "; // nothing is set } if ($session_id == 0) { $conditions = array('where'=>array('active = ? AND session_id = ? AND c_id = ? '.$time_conditions => array('1', $session_id, $course_id)), 'order'=>'title'); } else { //All exercises $conditions = array('where'=>array('active = ? AND (session_id = 0 OR session_id = ? ) AND c_id = ? '.$time_conditions => array('1', $session_id, $course_id)), 'order'=>'title'); } return Database::select('*',$TBL_EXERCICES, $conditions); } /** * Getting all active exercises from a course from a session (if a session_id is provided we will show all the exercises in the course + all exercises in the session) * @param array course data * @param int session id * @param int course c_id * @return array array with exercise data * modified by Hubert Borderiou */ function get_all_exercises_for_course_id($course_info = null, $session_id = 0, $course_id=0) { $TBL_EXERCICES = Database :: get_course_table(TABLE_QUIZ_TEST); if ($session_id == -1) { $session_id = 0; } if ($session_id == 0) { $conditions = array('where'=>array('active = ? AND session_id = ? AND c_id = ?'=>array('1', $session_id, $course_id)), 'order'=>'title'); } else { //All exercises $conditions = array('where'=>array('active = ? AND (session_id = 0 OR session_id = ? ) AND c_id=?' =>array('1', $session_id, $course_id)), 'order'=>'title'); } return Database::select('*',$TBL_EXERCICES, $conditions); } /** * Gets the position of the score based in a given score (result/weight) and the exe_id based in the user list * (NO Exercises in LPs ) * @param float user score to be compared *attention* $my_score = score/weight and not just the score * @param int exe id of the exercise (this is necesary because if 2 students have the same score the one with the minor exe_id will have a best position, just to be fair and FIFO) * @param int exercise id * @param string course code * @param int session id * @return int the position of the user between his friends in a course (or course within a session) */ function get_exercise_result_ranking($my_score, $my_exe_id, $exercise_id, $course_code, $session_id = 0, $user_list = array(), $return_string = true) { //No score given we return if (is_null($my_score)) { return '-'; } if (empty($user_list)) { return '-'; } $best_attempts = array(); foreach ($user_list as $user_data) { $user_id = $user_data['user_id']; $best_attempts[$user_id]= get_best_attempt_by_user($user_id, $exercise_id, $course_code, $session_id); } if (empty($best_attempts)) { return 1; } else { $position = 1; $my_ranking = array(); foreach($best_attempts as $user_id => $result) { if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) { $my_ranking[$user_id] = $result['exe_result']/$result['exe_weighting']; } else { $my_ranking[$user_id] = 0; } } //if (!empty($my_ranking)) { asort($my_ranking); $position = count($my_ranking); if (!empty($my_ranking)) { foreach ($my_ranking as $user_id => $ranking) { if ($my_score >= $ranking) { if ($my_score == $ranking) { $exe_id = $best_attempts[$user_id]['exe_id']; if ($my_exe_id < $exe_id) { $position--; } } else { $position--; } } } } //} $return_value = array('position'=>$position, 'count'=>count($my_ranking)); //var_dump($my_score, $my_ranking); if ($return_string) { if (!empty($position) && !empty($my_ranking)) { $return_value = $position.'/'.count($my_ranking); } else { $return_value = '-'; } } return $return_value; } } /** * Gets the position of the score based in a given score (result/weight) and the exe_id based in all attempts * (NO Exercises in LPs ) old funcionality by attempt * @param float user score to be compared attention => score/weight * @param int exe id of the exercise (this is necesary because if 2 students have the same score the one with the minor exe_id will have a best position, just to be fair and FIFO) * @param int exercise id * @param string course code * @param int session id * @return int the position of the user between his friends in a course (or course within a session) */ function get_exercise_result_ranking_by_attempt($my_score, $my_exe_id, $exercise_id, $course_code, $session_id = 0, $return_string = true) { if (empty($session_id)) { $session_id = 0; } if (is_null($my_score)) { return '-'; } $user_results = get_all_exercise_results($exercise_id, $course_code, $session_id, false); $position_data = array(); if (empty($user_results)) { return 1; } else { $position = 1; $my_ranking = array(); foreach($user_results as $result) { //print_r($result); if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) { $my_ranking[$result['exe_id']] = $result['exe_result']/$result['exe_weighting']; } else { $my_ranking[$result['exe_id']] = 0; } } asort($my_ranking); $position = count($my_ranking); if (!empty($my_ranking)) { foreach($my_ranking as $exe_id=>$ranking) { if ($my_score >= $ranking) { if ($my_score == $ranking) { if ($my_exe_id < $exe_id) { $position--; } } else { $position--; } } } } $return_value = array('position'=>$position, 'count'=>count($my_ranking)); //var_dump($my_score, $my_ranking); if ($return_string) { if (!empty($position) && !empty($my_ranking)) { return $position.'/'.count($my_ranking); } } return $return_value; } } /* * Get the best attempt in a exercise (NO Exercises in LPs ) */ function get_best_attempt_in_course($exercise_id, $course_code, $session_id) { $user_results = get_all_exercise_results($exercise_id, $course_code, $session_id, false); $best_score_data = array(); $best_score = 0; if (!empty($user_results)) { foreach($user_results as $result) { if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) { $score = $result['exe_result']/$result['exe_weighting']; if ($score >= $best_score) { $best_score = $score; $best_score_data = $result; } } } } return $best_score_data; } /* * Get the best score in a exercise (NO Exercises in LPs ) */ function get_best_attempt_by_user($user_id, $exercise_id, $course_code, $session_id) { $user_results = get_all_exercise_results($exercise_id, $course_code, $session_id, false); $best_score_data = array(); $best_score = 0; if (!empty($user_results)) { foreach($user_results as $result) { if ($result['exe_user_id'] != $user_id) continue; if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) { $score = $result['exe_result']/$result['exe_weighting']; if ($score >= $best_score) { $best_score = $score; $best_score_data = $result; } } } } return $best_score_data; } /** * Get average score (NO Exercises in LPs ) * @param int exercise id * @param string course code * @param int session id * @return float Average score */ function get_average_score($exercise_id, $course_code, $session_id) { $user_results = get_all_exercise_results($exercise_id, $course_code, $session_id); $avg_score_data = array(); $avg_score = 0; if (!empty($user_results)) { foreach($user_results as $result) { if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) { $score = $result['exe_result']/$result['exe_weighting']; $avg_score +=$score; } } $avg_score = float_format($avg_score / count($user_results), 1); } return $avg_score; } /** * Get average score by score (NO Exercises in LPs ) * @param int exercise id * @param string course code * @param int session id * @return float Average score */ function get_average_score_by_course($course_code, $session_id) { $user_results = get_all_exercise_results_by_course($course_code, $session_id, false); //echo $course_code.' - '.$session_id.'
'; $avg_score = 0; if (!empty($user_results)) { foreach($user_results as $result) { if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) { $score = $result['exe_result']/$result['exe_weighting']; //var_dump($score); $avg_score +=$score; } } //We asume that all exe_weighting //$avg_score = show_score( $avg_score / count($user_results) , $result['exe_weighting']); $avg_score = ($avg_score / count($user_results)); } //var_dump($avg_score); return $avg_score; } function get_average_score_by_course_by_user($user_id, $course_code, $session_id) { $user_results = get_all_exercise_results_by_user($user_id, $course_code, $session_id); $avg_score = 0; if (!empty($user_results)) { foreach($user_results as $result) { if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) { $score = $result['exe_result']/$result['exe_weighting']; $avg_score +=$score; } } //We asume that all exe_weighting //$avg_score = show_score( $avg_score / count($user_results) , $result['exe_weighting']); $avg_score = ($avg_score / count($user_results)); } return $avg_score; } /** * Get average score by score (NO Exercises in LPs ) * @param int exercise id * @param string course code * @param int session id * @return float Best average score */ function get_best_average_score_by_exercise($exercise_id, $course_code, $session_id, $user_count) { $user_results = get_best_exercise_results_by_user($exercise_id, $course_code, $session_id); $avg_score = 0; if (!empty($user_results)) { foreach($user_results as $result) { if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) { $score = $result['exe_result']/$result['exe_weighting']; $avg_score +=$score; } } //We asume that all exe_weighting //$avg_score = show_score( $avg_score / count($user_results) , $result['exe_weighting']); //$avg_score = ($avg_score / count($user_results)); if(!empty($user_count)) { $avg_score = float_format($avg_score / $user_count, 1) * 100; } else { $avg_score = 0; } } return $avg_score; } function get_exercises_to_be_taken($course_code, $session_id) { $course_info = api_get_course_info($course_code); $exercises = get_all_exercises($course_info, $session_id); $result = array(); $now = time() + 15*24*60*60; foreach($exercises as $exercise_item) { if (isset($exercise_item['end_time']) && !empty($exercise_item['end_time']) && $exercise_item['end_time'] != '0000-00-00 00:00:00' && api_strtotime($exercise_item['end_time'], 'UTC') < $now) { $result[] = $exercise_item; } } return $result; } /** * Get student results (only in completed exercises) stats by question * @param int question id * @param int exercise id * @param string course code * @param int session id * * */ function get_student_stats_by_question($question_id, $exercise_id, $course_code, $session_id) { $track_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES); $track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT); $question_id = intval($question_id); $exercise_id = intval($exercise_id); $course_code = Database::escape_string($course_code); $session_id = intval($session_id); $sql = "SELECT MAX(marks) as max , MIN(marks) as min, AVG(marks) as average FROM $track_exercises e INNER JOIN $track_attempt a ON (a.exe_id = e.exe_id) WHERE exe_exo_id = $exercise_id AND course_code = '$course_code' AND e.session_id = $session_id AND question_id = $question_id AND status = '' LIMIT 1"; $result = Database::query($sql); $return = array(); if ($result) { $return = Database::fetch_array($result, 'ASSOC'); } return $return; } function get_number_students_question_with_answer_count($question_id, $exercise_id, $course_code, $session_id) { $track_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES); $track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT); $course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER); $question_id = intval($question_id); $exercise_id = intval($exercise_id); $course_code = Database::escape_string($course_code); $session_id = intval($session_id); $sql = "SELECT DISTINCT exe_user_id FROM $track_exercises e INNER JOIN $track_attempt a ON (a.exe_id = e.exe_id) INNER JOIN $course_user cu ON cu.course_code = a.course_code AND cu.user_id = exe_user_id WHERE exe_exo_id = $exercise_id AND a.course_code = '$course_code' AND e.session_id = $session_id AND question_id = $question_id AND answer <> 0 AND cu.status = ".STUDENT." AND relation_type <> 2 AND e.status = ''"; $result = Database::query($sql); $return = 0; if ($result) { $return = Database::num_rows($result); } return $return; } function get_number_students_answer_count($answer_id, $question_id, $exercise_id, $course_code, $session_id) { $track_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES); $track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT); $course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER); $question_id = intval($question_id); $answer_id = intval($answer_id); $exercise_id = intval($exercise_id); $course_code = Database::escape_string($course_code); $session_id = intval($session_id); $sql = "SELECT DISTINCT exe_user_id FROM $track_exercises e INNER JOIN $track_attempt a ON (a.exe_id = e.exe_id) INNER JOIN $course_user cu ON cu.course_code = a.course_code AND cu.user_id = exe_user_id WHERE exe_exo_id = $exercise_id AND a.course_code = '$course_code' AND e.session_id = $session_id AND answer = $answer_id AND question_id = $question_id AND cu.status = ".STUDENT." AND relation_type <> 2 AND e.status = ''"; $result = Database::query($sql); $return = 0; if ($result) { $return = Database::num_rows($result); } return $return; } function get_number_students_finish_exercise($exercise_id, $course_code, $session_id) { $track_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES); $track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT); $exercise_id = intval($exercise_id); $course_code = Database::escape_string($course_code); $session_id = intval($session_id); $sql = "SELECT DISTINCT exe_user_id FROM $track_exercises e INNER JOIN $track_attempt a ON (a.exe_id = e.exe_id) WHERE exe_exo_id = $exercise_id AND course_code = '$course_code' AND e.session_id = $session_id AND status = ''"; $result = Database::query($sql); $return = 0; if ($result) { $return = Database::num_rows($result); } return $return; } /** // return the HTML code for a menu with students group // @input : $in_name : is the name and the id of the */ function displayGroupMenu($in_name, $in_default, $in_onchange="") { // check the default value of option $tabSelected = array($in_default => " selected='selected' "); $res = ""; $res .= ""; return $res; } /** * Return a list of group for user with user_id=in_userid separated with in_separator * @deprecated ? */ function displayGroupsForUser($in_separator, $in_userid) { $res = implode($in_separator, GroupManager::get_user_group_name($in_userid)); if ($res == "") { $res = "
-
"; } return $res; }