Source for file add_users_to_session.php
Documentation is available at add_users_to_session.php
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Dokeos - elearning and course management software
Copyright (c) 2004 Dokeos S.A.
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) Olivier Brouckaert
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
See the GNU General Public License for more details.
Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
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// name of the language file that needs to be included
// resetting the course id
// including some necessary dokeos files
require ('../inc/global.inc.php');
require_once ('../inc/lib/xajax/xajax.inc.php');
$xajax -> registerFunction ('search_users');
// setting the section (for the tabs)
$interbreadcrumb[]= array('url' => 'index.php',"name" => get_lang('PlatformAdmin'));
$interbreadcrumb[]= array('url' => "session_list.php","name" => "Liste des sessions");
// Database Table Definitions
// setting the name of the tool
$tool_name= get_lang('SubscribeUsersToSession');
$id_session= intval($_GET['id_session']);
$xajax_response = new XajaxResponse();
// search users where username or firstname or lastname begins likes $needle
$sql = 'SELECT user_id, username, lastname, firstname FROM '. $tbl_user. ' user
WHERE (username LIKE "'. $needle. '%"
OR firstname LIKE "'. $needle. '%"
OR lastname LIKE "'. $needle. '%")
ORDER BY lastname, firstname, username
$return .= '<a href="#" onclick="add_user_to_session(\''. $user['user_id']. '\',\''. $user['firstname']. ' '. $user['lastname']. ' ('. $user['username']. ')'. '\')">'. $user['firstname']. ' '. $user['lastname']. ' ('. $user['username']. ')</a><br />';
$xajax_response -> addAssign('ajax_list_users','innerHTML',utf8_encode($return));
$xajax -> processRequests();
$htmlHeadXtra[] = $xajax->getJavascript('../inc/lib/xajax/');
<script type="text/javascript">
function add_user_to_session (code, content) {
document.getElementById("user_to_add").value = "";
document.getElementById("ajax_list_users").innerHTML = "";
destination = document.getElementById("destination_users");
destination.options[destination.length] = new Option(content,code);
destination.selectedIndex = -1;
sortOptions(destination.options);
function remove_item(origin)
for(var i = 0 ; i<origin.options.length ; i++) {
if(origin.options[i].selected) {
$errorMsg= $firstLetterUser= $firstLetterSession= '';
$UserList= $SessionList= array();
$users= $sessions= array();
$formSent= $_POST['formSent'];
$firstLetterUser= $_POST['firstLetterUser'];
$firstLetterSession= $_POST['firstLetterSession'];
$UserList= $_POST['sessionUsersList'];
$ClassList= $_POST['sessionClassesList'];
$result = api_sql_query("SELECT id_user FROM $tbl_session_rel_user WHERE id_session='$id_session'");
$existingUsers = array();
$existingUsers[] = $row['id_user'];
$result= api_sql_query("SELECT course_code FROM $tbl_session_rel_course WHERE id_session='$id_session'",__FILE__ ,__LINE__ );
$CourseList[]= $row['course_code'];
foreach($CourseList as $enreg_course)
foreach($UserList as $enreg_user)
if(!in_array($enreg_user, $existingUsers)){
api_sql_query("INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session,course_code,id_user) VALUES('$id_session','$enreg_course','$enreg_user')",__FILE__ ,__LINE__ );
foreach($existingUsers as $existing_user){
if(!in_array($existing_user, $UserList)){
$sql = "DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code='$enreg_course' AND id_user='$existing_user'";
$sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code='$enreg_course'";
api_sql_query("UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'",__FILE__ ,__LINE__ );
api_sql_query("DELETE FROM $tbl_session_rel_user WHERE id_session = $id_session");
foreach($UserList as $enreg_user){
api_sql_query("INSERT IGNORE INTO $tbl_session_rel_user(id_session, id_user) VALUES('$id_session','$enreg_user')",__FILE__ ,__LINE__ );
$nbr_users = count($UserList);
api_sql_query("UPDATE $tbl_session SET nbr_users= $nbr_users WHERE id='$id_session' ",__FILE__ ,__LINE__ );
//if(empty($_GET['add']))
//header('Location: '.$_GET['page'].'?id_session='.$id_session);
header('Location: resume_session.php?id_session='. $id_session);
$nosessionUsersList = $sessionUsersList = array();
$sql = 'SELECT COUNT(1) FROM '. $tbl_user;
$ajax_search = $count_courses > 100 ? true : false;
$sql= "SELECT user_id, lastname, firstname, username, id_session
INNER JOIN $tbl_session_rel_user
ON $tbl_session_rel_user.id_user = $tbl_user.user_id
AND $tbl_session_rel_user.id_session = ". intval($id_session). "
ORDER BY lastname,firstname,username";
$sessionUsersList[$user['user_id']] = $user ;
$sql= "SELECT user_id, lastname, firstname, username, id_session
LEFT JOIN $tbl_session_rel_user
ON $tbl_session_rel_user.id_user = $tbl_user.user_id
ORDER BY lastname,firstname,username";
if($user['id_session'] == $id_session)
$sessionUsersList[$user['user_id']] = $user ;
$nosessionUsersList[$user['user_id']] = $user ;
<form name="formulaire" method="post" action=" <?php echo api_get_self(); ?>?page= <?php echo $_GET['page'] ?>&id_session= <?php echo $id_session; ?><?php if(!empty($_GET['add'])) echo '&add=true' ; ?>" style="margin:0px;">
<input type="hidden" name="formSent" value="1" />
<table border="0" cellpadding="5" cellspacing="0" width="100%">
<td align="center"><b> <?php echo get_lang('UserListInPlatform') ?> :</b>
<td align="center"><b> <?php echo get_lang('UserListInSession') ?> :</b></td>
<div id="content_source">
<input type="text" id="user_to_add" onkeyup="xajax_search_users(this.value)" />
<div id="ajax_list_users"></div>
<select id="origin_users" name="nosessionUsersList[]" multiple="multiple" size="15" style="width:300px;">
foreach($nosessionUsersList as $enreg)
<option value=" <?php echo $enreg['user_id']; ?>"> <?php echo $enreg['lastname']. ' '. $enreg['firstname']. ' ('. $enreg['username']. ')'; ?></option>
unset ($nosessionUsersList);
<td width="10%" valign="middle" align="center">
<input type="button" onclick="remove_item(document.getElementById('destination_users'))" value="<<" />
<input type="button" onclick="moveItem(document.getElementById('origin_users'), document.getElementById('destination_users'))" value=">>" />
<input type="button" onclick="moveItem(document.getElementById('destination_users'), document.getElementById('origin_users'))" value="<<" />
<br /><br /><br /><br /><br /><br />
<select id="destination_users" name="sessionUsersList[]" multiple="multiple" size="15" style="width:300px;">
foreach($sessionUsersList as $enreg)
<option value=" <?php echo $enreg['user_id']; ?>"> <?php echo $enreg['lastname']. ' '. $enreg['firstname']. ' ('. $enreg['username']. ')'; ?></option>
unset ($sessionUsersList);
<td colspan="3" align="center">
echo '<input type="button" value="'. get_lang("FinishSessionCreation"). '" onclick="valide()" />';
echo '<input type="button" value="'. get_lang('Ok'). '" onclick="valide()" />';
<script type="text/javascript">
function moveItem(origin , destination){
for(var i = 0 ; i<origin.options.length ; i++) {
if(origin.options[i].selected) {
destination.options[destination.length] = new Option(origin.options[i].text,origin.options[i].value);
destination.selectedIndex = -1;
sortOptions(destination.options);
function sortOptions(options) {
newOptions = new Array();
for (i = 0 ; i<options.length ; i++)
newOptions[i] = options[i];
newOptions = newOptions.sort(mysort);
for(i = 0 ; i < newOptions.length ; i++)
options[i] = newOptions[i];
if(a.text.toLowerCase() > b.text.toLowerCase()){
if(a.text.toLowerCase() < b.text.toLowerCase()){
var options = document.getElementById('destination_users').options;
for (i = 0 ; i<options.length ; i++)
options[i].selected = true;
var options = document.getElementById('destination_classes').options;
for (i = 0 ; i<options.length ; i++)
options[i].selected = true;
document.forms.formulaire.submit();
function loadUsersInSelect(select){
if(window.XMLHttpRequest) // Firefox
xhr_object = new XMLHttpRequest();
else if(window.ActiveXObject) // Internet Explorer
xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
else // XMLHttpRequest non supporté par le navigateur
alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
//xhr_object.open("GET", "loadUsersInSelect.ajax.php?id_session= <?php echo $id_session ?>&letter="+select.options[select.selectedIndex].text, false);
xhr_object.open("POST", "loadUsersInSelect.ajax.php");
xhr_object.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
nosessionUsers = makepost(document.getElementById('origin_users'));
sessionUsers = makepost(document.getElementById('destination_users'));
nosessionClasses = makepost(document.getElementById('origin_classes'));
sessionClasses = makepost(document.getElementById('destination_classes'));
xhr_object.send("nosessionusers="+nosessionUsers+"&sessionusers="+sessionUsers+"&nosessionclasses="+nosessionClasses+"&sessionclasses="+sessionClasses);
xhr_object.onreadystatechange = function() {
if(xhr_object.readyState == 4) {
document.getElementById('content_source').innerHTML = result = xhr_object.responseText;
//alert(xhr_object.responseText);
function makepost(select){
var options = select.options;
for (i = 0 ; i<options.length ; i++)
ret = ret + options[i].value +'::'+options[i].text+";;";
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