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301 lines
12 KiB
301 lines
12 KiB
<?php
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2004 Dokeos S.A.
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Copyright (c) 2003 Ghent University (UGent)
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Copyright (c) 2001 Universite catholique de Louvain (UCL)
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Copyright (c) various contributors
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Copyright (c) Bart Mollet, Hogeschool Gent
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See the GNU General Public License for more details.
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Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
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==============================================================================
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*/
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/**
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==============================================================================
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* This script displays an area where teachers can edit the group properties and member list.
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* Groups are also often called "teams" in the Dokeos code.
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*
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* @author various contributors
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* @author Roan Embrechts (VUB), partial code cleanup, initial virtual course support
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@package dokeos.group
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* @todo course admin functionality to create groups based on who is in which course (or class).
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==============================================================================
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*/
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/*
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==============================================================================
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INIT SECTION
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==============================================================================
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*/
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// name of the language file that needs to be included
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$language_file = "group";
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include ('../inc/global.inc.php');
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$this_section = SECTION_COURSES;
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/*
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-----------------------------------------------------------
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Libraries & settings
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-----------------------------------------------------------
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*/
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require_once (api_get_path(LIBRARY_PATH).'course.lib.php');
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require_once (api_get_path(LIBRARY_PATH).'groupmanager.lib.php');
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require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
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/*
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-----------------------------------------------------------
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Constants & variables
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-----------------------------------------------------------
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*/
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$current_group = GroupManager :: get_group_properties($_SESSION['_gid']);
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/*
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-----------------------------------------------------------
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Header
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-----------------------------------------------------------
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*/
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$nameTools = get_lang('EditGroup');
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$interbreadcrumb[] = array ("url" => "group.php", "name" => get_lang('GroupManagement'));
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if (!api_is_allowed_to_edit())
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{
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api_not_allowed(true);
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}
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/*
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==============================================================================
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FUNCTIONS
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==============================================================================
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*/
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/**
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* Function to check the given max number of members per group
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*/
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function check_max_number_of_members($value)
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{
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$max_member_no_limit = $value['max_member_no_limit'];
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if ($max_member_no_limit == MEMBER_PER_GROUP_NO_LIMIT)
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{
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return true;
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}
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$max_member = $value['max_member'];
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return is_numeric($max_member);
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}
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/**
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* Function to check if the number of selected group members is valid
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*/
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function check_group_members($value)
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{
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if ($value['max_member_no_limit'] == MEMBER_PER_GROUP_NO_LIMIT)
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{
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return true;
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}
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if ($value['max_member'] < count($value['group_members']))
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{
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return array ('group_members' => get_lang('GroupTooMuchMembers'));
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}
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return true;
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}
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/*
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==============================================================================
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MAIN CODE
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==============================================================================
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*/
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// Build form
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$form = new FormValidator('group_edit');
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$form->addElement('hidden', 'action');
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$form->addElement('hidden', 'referer');
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// Group name
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$form->add_textfield('name', get_lang('GroupName'));
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// Description
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$form->addElement('textarea', 'description', get_lang('GroupDescription'), array ('cols' => 50, 'rows' => 6));
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// Tutors: this has been replaced with the new tutors code
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//$tutors = GroupManager :: get_all_tutors();
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//$possible_tutors[0] = get_lang('GroupNoTutor');
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//foreach ($tutors as $index => $tutor)
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//{
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// $possible_tutors[$tutor['user_id']] = $tutor['lastname'].' '.$tutor['firstname'];
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//}
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//$group = array ();
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//$group[] = & $form->createElement('select', 'tutor_id', null, $possible_tutors);
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//$group[] = & $form->createElement('static', null, null, ' <a href="../user/user.php">'.get_lang('AddTutors').'</a>');
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//$form->addGroup($group, 'tutor_group', get_lang('GroupTutor'), '', false);
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// Members per group
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$form->addElement('radio', 'max_member_no_limit', get_lang('GroupLimit'), get_lang('NoLimit'), MEMBER_PER_GROUP_NO_LIMIT);
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$group = array ();
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$group[] = & $form->createElement('radio', 'max_member_no_limit', null, get_lang('Max'), 1);
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$group[] = & $form->createElement('text', 'max_member', null, array ('size' => 2));
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$group[] = & $form->createElement('static', null, null, get_lang('GroupPlacesThis'));
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$form->addGroup($group, 'max_member_group', null, '', false);
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$form->addRule('max_member_group', get_lang('InvalidMaxNumberOfMembers'), 'callback', 'check_max_number_of_members');
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// Self registration
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$form->addElement('checkbox', 'self_registration_allowed', get_lang('GroupSelfRegistration'), get_lang('GroupAllowStudentRegistration'), 1);
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$form->addElement('checkbox', 'self_unregistration_allowed', null, get_lang('GroupAllowStudentUnregistration'), 1);
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// Documents settings
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$form->addElement('radio', 'doc_state', get_lang('GroupDocument'), get_lang('NotAvailable'), TOOL_NOT_AVAILABLE);
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$form->addElement('radio', 'doc_state', null, get_lang('Public'), TOOL_PUBLIC);
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$form->addElement('radio', 'doc_state', null, get_lang('Private'), TOOL_PRIVATE);
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// Work settings
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$form->addElement('radio', 'work_state', get_lang('GroupWork'), get_lang('NotAvailable'), TOOL_NOT_AVAILABLE);
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$form->addElement('radio', 'work_state', null, get_lang('Public'), TOOL_PUBLIC);
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$form->addElement('radio', 'work_state', null, get_lang('Private'), TOOL_PRIVATE);
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// Calendar settings
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$form->addElement('radio', 'calendar_state', get_lang('GroupCalendar'), get_lang('NotAvailable'), TOOL_NOT_AVAILABLE);
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$form->addElement('radio', 'calendar_state', null, get_lang('Public'), TOOL_PUBLIC);
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$form->addElement('radio', 'calendar_state', null, get_lang('Private'), TOOL_PRIVATE);
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// Announcements settings
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$form->addElement('radio', 'announcements_state', get_lang('GroupAnnouncements'), get_lang('NotAvailable'), TOOL_NOT_AVAILABLE);
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$form->addElement('radio', 'announcements_state', null, get_lang('Public'), TOOL_PUBLIC);
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$form->addElement('radio', 'announcements_state', null, get_lang('Private'), TOOL_PRIVATE);
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// getting all the users
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if(isset($_SESSION['id_session'])){
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$complete_user_list = CourseManager :: get_user_list_from_course_code($_course['id'],true,$_SESSION['id_session']);
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$complete_user_list2 = CourseManager :: get_coach_list_from_course_code($_course['id'],$_SESSION['id_session']);
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$complete_user_list = array_merge($complete_user_list,$complete_user_list2);
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}
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else{
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$complete_user_list = CourseManager :: get_user_list_from_course_code($_course['id']);
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}
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$possible_users = array ();
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foreach ($complete_user_list as $index => $user)
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{
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$possible_users[$user['user_id']] = $user['lastname'].' '.$user['firstname'];
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}
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//print_r($complete_user_list2);
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// Group tutors
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$group_tutor_list = GroupManager :: get_subscribed_tutors($current_group['id']);
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$selected_users = array ();
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foreach ($group_tutor_list as $index => $user)
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{
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//$possible_users[$user['user_id']] = $user['lastname'].' '.$user['firstname'];
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$selected_tutors[] = $user['user_id'];
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}
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$group_tutors_element = $form->addElement('advmultiselect', 'group_tutors', get_lang('GroupTutors'), $possible_users, 'style="width: 225px;"');
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$group_tutors_element->setElementTemplate('
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{javascript}
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<table{class}>
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<!-- BEGIN label_2 --><tr><th>{label_2}</th><!-- END label_2 -->
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<!-- BEGIN label_3 --><th> </th><th>{label_3}</th></tr><!-- END label_3 -->
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<tr>
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<td valign="top">{unselected}</td>
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<td align="center">{add}<br /><br />{remove}</td>
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<td valign="top">{selected}</td>
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</tr>
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</table>
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');
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// Group members
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$group_member_list = GroupManager :: get_subscribed_users($current_group['id']);
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$selected_users = array ();
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foreach ($group_member_list as $index => $user)
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{
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//$possible_users[$user['user_id']] = $user['lastname'].' '.$user['firstname'];
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$selected_users[] = $user['user_id'];
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}
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$group_members_element = $form->addElement('advmultiselect', 'group_members', get_lang('GroupMembers'), $possible_users, 'style="width: 225px;"');
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$group_members_element->setElementTemplate('
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{javascript}
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<table{class}>
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<!-- BEGIN label_2 --><tr><th>{label_2}</th><!-- END label_2 -->
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<!-- BEGIN label_3 --><th> </th><th>{label_3}</th></tr><!-- END label_3 -->
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<tr>
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<td valign="top">{unselected}</td>
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<td align="center">{add}<br /><br />{remove}</td>
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<td valign="top">{selected}</td>
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</tr>
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</table>
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');
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$form->addFormRule('check_group_members');
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// submit button
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$form->addElement('submit', 'submit', get_lang('Ok'));
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if ($form->validate())
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{
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$values = $form->exportValues();
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if ($values['max_member_no_limit'] == MEMBER_PER_GROUP_NO_LIMIT)
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{
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$max_member = MEMBER_PER_GROUP_NO_LIMIT;
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}
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else
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{
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$max_member = $values['max_member'];
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}
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$self_registration_allowed = isset ($values['self_registration_allowed']) ? 1 : 0;
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$self_unregistration_allowed = isset ($values['self_unregistration_allowed']) ? 1 : 0;
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GroupManager :: set_group_properties($current_group['id'], strip_tags($values['name']), strip_tags($values['description']), $max_member, $values['doc_state'], $values['work_state'], $values['calendar_state'], $values['announcements_state'], $self_registration_allowed, $self_unregistration_allowed);
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// storing the tutors (we first remove all the tutors and then add only those who were selected)
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GroupManager :: unsubscribe_all_tutors($current_group['id']);
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if (isset ($_POST['group_tutors']) && count($_POST['group_tutors']) > 0)
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{
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GroupManager :: subscribe_tutors($values['group_tutors'], $current_group['id']);
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}
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// storing the users (we first remove all users and then add only those who were selected)
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GroupManager :: unsubscribe_all_users($current_group['id']);
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if (isset ($_POST['group_members']) && count($_POST['group_members']) > 0)
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{
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GroupManager :: subscribe_users($values['group_members'], $current_group['id']);
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}
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// returning to the group area (note: this is inconsistent with the rest of dokeos)
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$cat = GroupManager :: get_category_from_group($current_group['id']);
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header('Location: '.$values['referer'].'?action=show_msg&msg='.get_lang('GroupSettingsModified').'&category='.$cat['id']);
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}
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$defaults = $current_group;
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$defaults['group_members'] = $selected_users;
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$defaults['group_tutors'] = $selected_tutors;
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$defaults['action'] = $action;
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if ($defaults['maximum_number_of_students'] == MEMBER_PER_GROUP_NO_LIMIT)
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{
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$defaults['max_member_no_limit'] = MEMBER_PER_GROUP_NO_LIMIT;
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}
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else
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{
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$defaults['max_member_no_limit'] = 1;
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$defaults['max_member'] = $defaults['maximum_number_of_students'];
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}
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$referer = parse_url($_SERVER['HTTP_REFERER']);
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$referer = basename($referer['path']);
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if ($referer != 'group_space.php' && $referer != 'group.php')
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{
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$referer = 'group.php';
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}
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Display :: display_header($nameTools, "Group");
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api_display_tool_title($nameTools);
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?>
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<a href="group_space.php"><?php echo get_lang('GroupSpace') ?></a>
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<br/>
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<br/>
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<?php
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$defaults['referer'] = $referer;
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$form->setDefaults($defaults);
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$form->display();
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/*
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==============================================================================
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FOOTER
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==============================================================================
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*/
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Display :: display_footer();
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?>
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