chamilo
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chamilo-lms
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Adding new lp exercise reports (average result by question and exercise results by session) see BT#1567 and BT#1568

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skala
Julio Montoya 14 years ago
parent 89c6cfef88
commit f6004100e1
4 changed files with 672 additions and 1 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 82
      main/inc/lib/events.lib.inc.php
  2. 25
      main/inc/lib/sessionmanager.lib.php
  3. 285
      main/tracking/course_session_report.php
  4. 279
      main/tracking/question_course_report.php

82
main/inc/lib/events.lib.inc.php
Unescape View File

@ -686,8 +686,90 @@ function delete_student_lp_events($user_id, $lp_id, $course, $session_id) {
$sql_delete = "DELETE FROM $TBL_RECORDING WHERE exe_id IN (".implode(',',$exe_list).")";
$result = Database::query($sql_delete);
}
}
function get_all_exercise_event($exercise_id, $course_code, $session_id = 0) {
$TABLETRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$TBL_TRACK_ATTEMPT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$course_code = Database::escape_string($course_code);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$sql = "SELECT * FROM $TABLETRACK_EXERCICES WHERE status = '' AND exe_cours_id = '$course_code' AND exe_exo_id = '$exercise_id' AND session_id = $session_id";
$res = api_sql_query($sql,__FILE__,__LINE__);
$list = array();
while($row = Database::fetch_array($res,'ASSOC')) {
$list[$row['exe_id']] = $row;
$sql = "SELECT * FROM $TBL_TRACK_ATTEMPT WHERE exe_id = {$row['exe_id']}";
$res_question = api_sql_query($sql,__FILE__,__LINE__);
while($row_q = Database::fetch_array($res_question,'ASSOC')) {
$list[$row['exe_id']]['question_list'][$row_q['question_id']] = $row_q;
}
}
//echo '<pre>'; print_r($list);
return $list;
}
function get_all_exercise_event_from_lp($exercise_id, $course_code, $session_id = 0) {
$TABLETRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$TBL_TRACK_ATTEMPT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$course_code = Database::escape_string($course_code);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$sql = "SELECT * FROM $TABLETRACK_EXERCICES WHERE status = '' AND exe_cours_id = '$course_code' AND exe_exo_id = '$exercise_id' AND session_id = $session_id AND orig_lp_id !=0 AND orig_lp_item_id != 0";
$res = api_sql_query($sql,__FILE__,__LINE__);
$list = array();
while($row = Database::fetch_array($res,'ASSOC')) {
$list[$row['exe_id']] = $row;
$sql = "SELECT * FROM $TBL_TRACK_ATTEMPT WHERE exe_id = {$row['exe_id']}";
$res_question = api_sql_query($sql,__FILE__,__LINE__);
while($row_q = Database::fetch_array($res_question,'ASSOC')) {
$list[$row['exe_id']]['question_list'][$row_q['question_id']] = $row_q;
}
}
return $list;
}
/*
function get_all_exercise_event_from_lp($exercise_id, $course_db, $session_id ) {
$lp_item_table = Database :: get_course_table(TABLE_LP_ITEM,$course_db);
$lp_item_view_table = Database :: get_course_table(TABLE_LP_ITEM_VIEW,$course_db);
$lp_view_table = Database :: get_course_table(TABLE_LP_VIEW,$course_db);
$exercise_id = intval($exercise_id);
$session_id = intval($session_id);
$sql = "SELECT title, user_id, score , iv.max_score, status, session_id
FROM $lp_item_table as i INNER JOIN $lp_item_view_table iv ON (i.id = iv.lp_item_id ) INNER JOIN $lp_view_table v ON iv.lp_view_id = v.id
WHERE path = $exercise_id AND status ='completed' AND session_id = $session_id";
$res = api_sql_query($sql,__FILE__,__LINE__);
$list = array();
while($row = Database::fetch_array($res,'ASSOC')) {
$list[$row['exe_id']]['question_list'][$row['question_id']] = $row;
}
//echo '<pre>'; print_r($list);
return $list;
}*/
function get_all_exercises_from_lp($lp_id, $course_db) {
$lp_item_table = Database :: get_course_table(TABLE_LP_ITEM,$course_db);
$lp_id = intval($lp_id);
$sql = "SELECT * FROM $lp_item_table WHERE lp_id = '".$lp_id."' ORDER BY parent_item_id, display_order";
$res = api_sql_query($sql, __FILE__, __LINE__);
$my_exercise_list = array();
while($row = Database::fetch_array($res,'ASSOC')) {
if ($row['item_type'] == 'quiz') {
$my_exercise_list[] = $row;
}
}
return $my_exercise_list;
}

25
main/inc/lib/sessionmanager.lib.php
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@ -1197,4 +1197,29 @@ class SessionManager {
return 0;
}
}
/**
* Get users by session
* @param int sesssion id
* @return array a list with the user info
*/
public static function get_users_by_session($id) {
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$order_clause ='';
$sql = 'SELECT '.$tbl_user.'.user_id, lastname, firstname, username
FROM '.$tbl_user.'
INNER JOIN '.$tbl_session_rel_user.'
ON '.$tbl_user.'.user_id = '.$tbl_session_rel_user.'.id_user
AND '.$tbl_session_rel_user.'.id_session = '.$id.$order_clause;
$result=Database::query($sql);
//$users=Database::store_result($result);
while ($row = Database::fetch_array($result,'ASSOC')) {
$return_array[] = $row;
}
return $return_array;
}
}

285
main/tracking/course_session_report.php
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@ -0,0 +1,285 @@
<?php
$language_file = array ('registration', 'index', 'tracking', 'exercice','survey');
$cidReset = true;
require_once '../inc/global.inc.php';
require_once api_get_path(LIBRARY_PATH).'course.lib.php';
require_once (api_get_path(LIBRARY_PATH).'tracking.lib.php');
require_once api_get_path(LIBRARY_PATH).'sessionmanager.lib.php';
require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
require_once api_get_path(LIBRARY_PATH).'pear/Spreadsheet_Excel_Writer/Writer.php';
require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.class.php';
require_once api_get_path(SYS_CODE_PATH).'exercice/question.class.php';
require_once api_get_path(LIBRARY_PATH).'events.lib.inc.php';
require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpathList.class.php';
require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpath.class.php';
require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpathList.class.php';
$this_section = "session_my_space";
$is_allowedToTrack = $is_courseAdmin || $is_platformAdmin || $is_courseCoach || $is_sessionAdmin;
if(!$is_allowedToTrack) {
Display :: display_header(null);
api_not_allowed();
Display :: display_footer();
}
$export_to_xls = false;
if (isset($_GET['export'])) {
$export_to_xls = true;
}
$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
$tbl_stats_exercices = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
if (api_is_platform_admin() ) {
$global = true;
} else {
$global = false;
}
$global = true;
$session_id = intval($_GET['session_id']);
if (empty($session_id)) {
$session_id = 1;
}
$form = new FormValidator('search_simple','POST','','',null,false);
//Get session list
$session_list = SessionManager::get_sessions_list(array(), array('name'));
$my_session_list = array();
foreach($session_list as $sesion_item) {
$my_session_list[$sesion_item['id']] = $sesion_item['name'];
}
$form->addElement('select', 'session_id', get_lang('Sessions'), $my_session_list);
$form->addElement('submit','submit',get_lang('Filter'));
if (!empty($_REQUEST['score'])) $filter_score = intval($_REQUEST['score']); else $filter_score = 70;
if (!empty($_REQUEST['session_id'])) $session_id = intval($_REQUEST['session_id']); else $session_id = 0;
if (empty($session_id)) {
$session_id = key($my_session_list);
}
$form->setDefaults(array('session_id'=>$session_id));
$course_list = SessionManager::get_course_list_by_session_id($session_id);
if (!$export_to_xls) {
Display :: display_header(get_lang("MySpace"));
echo '<div class="actions">';
if ($global) {
$menu_items[] = '<a href="'.api_get_path(WEB_CODE_PATH).'mySpace/?view=teacher">'.get_lang('TeacherInterface').'</a>';
$menu_items[] = get_lang('AdminInterface');
$nb_menu_items = count($menu_items);
if($nb_menu_items>1) {
foreach($menu_items as $key=> $item) {
echo $item;
if($key!=$nb_menu_items-1) {
echo ' | ';
}
}
echo '<br />';
}
} else {
echo '<div style="float:left; clear:left">
<a href="courseLog.php?'.api_get_cidreq().'&studentlist=true">'.get_lang('StudentsTracking').'</a>&nbsp;|
<a href="courseLog.php?'.api_get_cidreq().'&studentlist=false">'.get_lang('CourseTracking').'</a>&nbsp;';
echo '</div>';
}
echo '</div>';
echo '<h4>'.get_lang('CoachList').'</h4>';
if (api_is_platform_admin()) {
echo '<a href="'.api_get_path(WEB_CODE_PATH).'mySpace/?view=admin&amp;display=coaches">'.get_lang('DisplayCoaches').'</a> | ';
echo '<a href="'.api_get_path(WEB_CODE_PATH).'mySpace/?view=admin&amp;display=useroverview">'.get_lang('DisplayUserOverview').'</a>';
echo ' | <a href="'.api_get_path(WEB_CODE_PATH).'mySpace/?view=admin&amp;display=sessionoverview">'.get_lang('DisplaySessionOverview').'</a>';
echo ' | <a href="'.api_get_path(WEB_CODE_PATH).'mySpace/?view=admin&amp;display=courseoverview">'.get_lang('DisplayCourseOverview').'</a>';
echo ' | <a href="'.api_get_path(WEB_CODE_PATH).'tracking/question_course_report.php?view=admin">'.get_lang('LPQuestionListResults').'</a>';
echo ' | '.get_lang('LPExerciseResultsBySession').'';
}
echo '<h2>'.get_lang('LPExerciseResultsBySession').'</h2>';
$form->display();
Display::display_normal_message(get_lang('StudentScoreAverageIsCalculatedBaseInAllLPsAndAllAttempts'));
//echo '<h3>'.sprintf(get_lang('FilteringWithScoreX'), $filter_score).'%</h3>';
// echo '<a href="'.api_get_self().'?export=1&score='.$filter_score.'&exercise_id='.$exercise_id.'"><img align="absbottom" src="../img/excel.gif">&nbsp;'.get_lang('ExportAsXLS').'</a><br /><br />';
}
$users = SessionManager::get_users_by_session($session_id);
$course_average = $course_average_counter = array();
$counter = 0;
$main_result = array();
//Getting course list
foreach($course_list as $current_course ) {
$course_info = api_get_course_info($current_course['code']);
$_course = $course_info;
$attempt_result = array();
//Getting LP list
$list = new learnpathList('', $current_course['code'], $session_id);
$lp_list = $list->get_flat_list();
// Looping LPs
foreach ($lp_list as $lp_id =>$lp) {
$exercise_list = get_all_exercises_from_lp($lp_id, $current_course['db_name']);
//Looping Chamilo Exercises in LP
foreach ($exercise_list as $exercise) {
$exercise_stats = get_all_exercise_event($exercise['path'],$course_info['id'], $session_id);
//Looping Exercise Attempts
foreach($exercise_stats as $stats) {
$attempt_result[$stats['exe_user_id']]['result'] += $stats['exe_result'] / $stats['exe_weighting'];
$attempt_result[$stats['exe_user_id']]['attempts']++;
}
}
}
$main_result[$current_course['code']] = $attempt_result;
}
//var_dump($main_result);
$total_average_score = 0;
$total_average_score_count = 0;
if (!empty($users) && is_array($users)) {
$html_result .= '<table class="data_table">';
$html_result .= '<tr><th>'.get_lang('User').'</th>';
foreach($course_list as $item ) {
$html_result .= '<th>'.$item['title'].'<br /> '.get_lang('AverageScore').' %</th>';
}
$html_result .= '<th>'.get_lang('AverageScore').' %</th>';
$html_result .= '<th>'.get_lang('LastConnexionDate').'</th></tr>';
foreach ($users as $user) {
$total_student = 0;
$counter ++;
$s_css_class = 'row_even';
if ($counter % 2 ==0 ) {
$s_css_class = 'row_odd';
}
$html_result .= "<tr class='$s_css_class'>
<td >";
$html_result .= $user['firstname'].' '.$user['lastname'];
$html_result .= "</td>";
//Getting course list
$counter = 0;
$total_result_by_user = 0;
foreach($course_list as $current_course ) {
$total_course = 0;
$user_info_stat = $main_result[$current_course['code']][$user['user_id']];
$html_result .= "<td align=\"center\" >";
if (!empty($user_info_stat['result']) && !empty($user_info_stat['attempts'])) {
$result =round($user_info_stat['result']/$user_info_stat['attempts'] * 100, 2);
$total_course +=$result;
$total_result_by_user +=$result;
$course_average[$current_course['code']] += $total_course;
$course_average_counter[$current_course['code']]++;
$result = $result .' ('.$user_info_stat['attempts'].' '.get_lang('Attempts').')';
$counter++;
} else {
$result = '-';
}
$html_result .= $result;
$html_result .= "</td>";
}
if (empty($counter)) {
$total_student = '-';
} else {
$total_student = $total_result_by_user/$counter;
$total_average_score+=$total_student;
$total_average_score_count++;
}
$string_date=Tracking :: get_last_connection_date($user['user_id'],true);
$html_result .="<td align=\"center\">$total_student</td><td>$string_date</td></tr>";
}
$html_result .="<tr><th>".get_lang('AverageScore')."</th>";
$total_average = 0;
$counter = 0;
foreach($course_list as $course_item) {
if (!empty($course_average_counter[$course_item['code']])) {
$average_per_course = round($course_average[$course_item['code']]/($course_average_counter[$course_item['code']]*100)*100,2);
} else {
$average_per_course = '-';
}
if (!empty($average_per_course)) {
$counter++;
}
$total_average = $total_average + $average_per_course;
$html_result .="<td align=\"center\">$average_per_course</td>";
}
if (!empty($total_average_score_count)) {
$total_average = round($total_average_score/($total_average_score_count*100)*100,2);
} else {
$total_average = '-';
}
$html_result .='<td align="center">'.$total_average.'</td>';
$html_result .="<td>-</td>";
$html_result .="</tr>";
$html_result .= '</table>';
} else {
Display::display_warning_message(get_lang('NoResults'));
}
if (!$export_to_xls) {
echo $html_result;
}
$filename = 'exam-reporting-'.date('Y-m-d-h:i:s').'.xls';
if ($export_to_xls) {
echo $html_result;
export_complete_report_xls($filename, $export_array);
exit;
}
function sort_user($a, $b) {
if (is_numeric($a['score']) && is_numeric($b['score'])) {
echo $a['score'].' : '.$b['score'];
echo '<br />';
if ($a['score'] < $b['score']) {
return 1;
}
return 0;
}
return 1;
}
function export_complete_report_xls($filename, $array) {
global $charset;
$workbook = new Spreadsheet_Excel_Writer();
$workbook ->setTempDir(api_get_path(SYS_ARCHIVE_PATH));
$workbook->send($filename);
$workbook->setVersion(8); // BIFF8
$worksheet =& $workbook->addWorksheet('Report');
//$worksheet->setInputEncoding(api_get_system_encoding());
$worksheet->setInputEncoding($charset);
/*
$line = 0;
$column = 1; // Skip the first column (row titles)
foreach ($array as $elem) {
$worksheet->write($line, $column, $elem);
$column++;
}
$workbook->close();*/
exit;
}
Display :: display_footer();

279
main/tracking/question_course_report.php
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@ -0,0 +1,279 @@
<?php
$language_file = array ('registration', 'index', 'tracking', 'exercice','survey');
$cidReset = true;
require_once '../inc/global.inc.php';
require_once api_get_path(LIBRARY_PATH).'course.lib.php';
require_once api_get_path(LIBRARY_PATH).'events.lib.inc.php';
require_once api_get_path(LIBRARY_PATH).'tracking.lib.php';
require_once api_get_path(LIBRARY_PATH).'sessionmanager.lib.php';
require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.class.php';
require_once api_get_path(SYS_CODE_PATH).'exercice/question.class.php';
require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
require_once api_get_path(LIBRARY_PATH).'pear/Spreadsheet_Excel_Writer/Writer.php';
require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpathList.class.php';
require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpath.class.php';
require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpathList.class.php';
$this_section = "session_my_space";
$is_allowedToTrack = $is_courseAdmin || $is_platformAdmin || $is_courseCoach || $is_sessionAdmin;
if(!$is_allowedToTrack) {
Display :: display_header(null);
api_not_allowed();
Display :: display_footer();
}
$export_to_xls = false;
if (isset($_GET['export'])) {
$export_to_xls = true;
}
$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
$tbl_stats_exercices = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
if (api_is_platform_admin() ) {
$global = true;
} else {
$global = false;
}
$global = true;
$course_list = $course_select_list = array();
$course_select_list[0] = get_lang('None');
$htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.js" type="text/javascript" language="javascript"></script>'; //jQuery
$htmlHeadXtra[] = '
<script type="text/javascript">
function load_courses() {
document.search_simple.submit();
}
</script> ';
$session_id = intval($_REQUEST['session_id']);
if (empty($session_id)) {
$temp_course_list = CourseManager :: get_courses_list();
} else {
$temp_course_list = SessionManager::get_course_list_by_session_id($session_id);
}
foreach($temp_course_list as $temp_course_item) {
$course_item = CourseManager ::get_course_information($temp_course_item['code']);
$course_list[]= array('db_name' =>$course_item['db_name'],'code'=>$course_item['code'], 'title'=>$course_item['title'], 'visual_code'=>$course_item['visual_code']);
$course_select_list[$temp_course_item['code']] = $course_item['title'];
}
//Get session list
$session_list = SessionManager::get_sessions_list(array(), array('name'));
$my_session_list = array();
$my_session_list[0] = get_lang('None');
foreach($session_list as $sesion_item) {
$my_session_list[$sesion_item['id']] = $sesion_item['name'];
}
$form = new FormValidator('search_simple','POST','','',null,false);
$form->addElement('select', 'session_id', get_lang('Sessions'), $my_session_list, array('id'=>'session_id', 'onchange'=>'load_courses();'));
$form->addElement('select', 'course_code',get_lang('Courses'), $course_select_list);
$form->addElement('submit','submit_form', get_lang('Filter'));
if (!empty($_REQUEST['course_code'])) $course_code = $_REQUEST['course_code']; else $course_code = '';
if (empty($course_code)) {
$course_code = 0;
}
$form->setDefaults(array('course_code'=>(string)$course_code));
$course_info = api_get_course_info($course_code);
//var_dump($session_id);
if (!empty($course_info)) {
$list = new learnpathList('', $course_code);
$lp_list = $list->get_flat_list();
$_course = $course_info;
$main_question_list = array();
foreach ($lp_list as $lp_id =>$lp) {
$exercise_list = get_all_exercises_from_lp($lp_id, $course_info['dbName']);
//var_dump($exercise_list);
foreach ($exercise_list as $exercise) {
$my_exercise = new Exercise();
//$my_exercise->read($exercise['ref']);
$my_exercise->read($exercise['path']);
$question_list = $my_exercise->selectQuestionList();
$exercise_stats = get_all_exercise_event_from_lp($exercise['path'],$course_info['id'], $session_id);
//echo '<pre>'; print_r($exercise_stats);
foreach($question_list as $question_id) {
$question_data = Question::read($question_id);
///var_dump($question_data);
$main_question_list[$question_id] = $question_data;
$quantity_exercises = 0;
$question_result = 0;
//echo '<pre>';
//print_r($exercise_stats);
foreach($exercise_stats as $stats) {
if (!empty($stats['question_list'])) {
foreach($stats['question_list'] as $my_question_stat) {
// var_dump($my_question_stat);
if ($question_id == $my_question_stat['question_id']) {
//var_dump($my_question_stat);
$question_result = $question_result + $my_question_stat['marks'];
// var_dump($my_question_stat['marks']);
$quantity_exercises++;
}
}
}
}
//echo $question_id;
//var_dump($question_result.' - '.$quantity_exercises.$main_question_list[$question_id]->weighting);
$main_question_list[$question_id]->results =(($question_result / ($quantity_exercises)) ) ; // Score % average
$main_question_list[$question_id]->quantity = $quantity_exercises;
}
}
}
}
//var_dump($main_question_list);
//var_dump($main_question_list);
//$course_list = SessionManager::get_course_list_by_session_id($session_id);
if (!$export_to_xls) {
Display :: display_header(get_lang("MySpace"));
echo '<div class="actions">';
if ($global) {
$menu_items[] = '<a href="'.api_get_path(WEB_CODE_PATH).'mySpace/?view=teacher">'.get_lang('TeacherInterface').'</a>';
$menu_items[] = get_lang('AdminInterface');
$nb_menu_items = count($menu_items);
if($nb_menu_items>1) {
foreach($menu_items as $key=> $item) {
echo $item;
if($key!=$nb_menu_items-1) {
echo ' | ';
}
}
echo '<br />';
}
} else {
echo '<div style="float:left; clear:left">
<a href="courseLog.php?'.api_get_cidreq().'&studentlist=true">'.get_lang('StudentsTracking').'</a>&nbsp;|
<a href="courseLog.php?'.api_get_cidreq().'&studentlist=false">'.get_lang('CourseTracking').'</a>&nbsp;';
echo '</div>';
}
echo '</div>';
echo '<h4>'.get_lang('CoachList').'</h4>';
if (api_is_platform_admin()) {
echo '<a href="'.api_get_path(WEB_CODE_PATH).'mySpace/?view=admin&amp;display=coaches">'.get_lang('DisplayCoaches').'</a> | ';
echo '<a href="'.api_get_path(WEB_CODE_PATH).'mySpace/?view=admin&amp;display=useroverview">'.get_lang('DisplayUserOverview').'</a>';
echo ' | <a href="'.api_get_path(WEB_CODE_PATH).'mySpace/?view=admin&amp;display=sessionoverview">'.get_lang('DisplaySessionOverview').'</a>';
echo ' | <a href="'.api_get_path(WEB_CODE_PATH).'mySpace/?view=admin&amp;display=courseoverview">'.get_lang('DisplayCourseOverview').'</a>';
echo ' | '.get_lang('LPQuestionListResults');
echo ' | <a href="'.api_get_path(WEB_CODE_PATH).'tracking/course_session_report.php?view=admin">'.get_lang('LPExerciseResultsBySession').'</a>';
}
echo '<br />';
echo '<h2>'.get_lang('LPQuestionListResults').'</h2>';
$form->display();
//Display::display_normal_message(get_lang('QuestionsAreTakenFromLPExercises'));
if (empty($course_code)) {
Display::display_warning_message(get_lang('PleaseSelectACourse'));
}
}
$course_average = array();
$counter = 0;
if (!empty($main_question_list) && is_array($main_question_list)) {
$html_result .= '<table class="data_table">';
$html_result .= '<tr><th>'.get_lang('Question').Display :: return_icon('info3.gif', get_lang('QuestionsAreTakenFromLPExercises'), array('align' => 'absmiddle', 'hspace' => '3px')).'</th>';
$html_result .= '<th>'.$course_info['visual_code'].' '.get_lang('AverageScore').Display :: return_icon('info3.gif', get_lang('AllStudentsAttemptsAreConsidered'), array('align' => 'absmiddle', 'hspace' => '3px')).' </th>';
$html_result .= '<th>'.get_lang('Quantity').'</th>';
foreach($main_question_list as $question) {
$total_student = 0;
$counter ++;
$s_css_class = 'row_even';
if ($counter % 2 ==0 ) {
$s_css_class = 'row_odd';
}
$html_result .= "<tr class='$s_css_class'>
<td >";
$question_title = trim($question->question);
if (empty($question_title)) {
$html_result .= get_lang('Untitled').' '.get_lang('Question').' #'.$question->id;
} else {
$html_result .= $question->question;
}
$html_result .= "</td>";
$html_result .= "<td align=\"center\" >";
$html_result .= round($question->results, 2).' / '.$question->weighting;
$html_result .= "</td>";
$html_result .= "<td align=\"center\" >";
$html_result .= $question->quantity;
$html_result .= "</td>";
}
$html_result .="</tr>";
$html_result .= '</table>';
} else {
if (!empty($course_code)) {
Display::display_warning_message(get_lang('NoResults'));
}
}
if (!$export_to_xls) {
echo $html_result;
}
$filename = 'exam-reporting-'.date('Y-m-d-h:i:s').'.xls';
if ($export_to_xls) {
echo $html_result;
export_complete_report_xls($filename, $export_array);
exit;
}
function sort_user($a, $b) {
if (is_numeric($a['score']) && is_numeric($b['score'])) {
echo $a['score'].' : '.$b['score'];
echo '<br />';
if ($a['score'] < $b['score']) {
return 1;
}
return 0;
}
return 1;
}
function export_complete_report_xls($filename, $array) {
global $charset;
$workbook = new Spreadsheet_Excel_Writer();
$workbook ->setTempDir(api_get_path(SYS_ARCHIVE_PATH));
$workbook->send($filename);
$workbook->setVersion(8); // BIFF8
$worksheet =& $workbook->addWorksheet('Report');
//$worksheet->setInputEncoding(api_get_system_encoding());
$worksheet->setInputEncoding($charset);
/*
$line = 0;
$column = 1; // Skip the first column (row titles)
foreach ($array as $elem) {
$worksheet->write($line, $column, $elem);
$column++;
}
$workbook->close();*/
exit;
}
Display :: display_footer();
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