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380 lines
14 KiB
380 lines
14 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) Roan Embrechts (Vrije Universiteit Brussel)
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Copyright (c) Bart Mollet
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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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* Main page for the group module.
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* This script displays the general group settings,
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* and a list of groups with buttons to view, edit...
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*
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* @author Thomas Depraetere, Hugues Peeters, Christophe Gesche: initial versions
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* @author Bert Vanderkimpen, improved self-unsubscribe for cvs
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* @author Patrick Cool, show group comment under the group name
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* @author Roan Embrechts, initial self-unsubscribe code, code cleaning, virtual course support
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* @author Bart Mollet, code cleaning, use of Display-library, list of courseAdmin-tools, use of GroupManager
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* @package dokeos.group
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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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$langFile = "group";
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include ('../inc/global.inc.php');
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$this_section=SECTION_COURSES;
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$nameTools = get_lang("GroupManagement");
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/*
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-----------------------------------------------------------
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Libraries
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-----------------------------------------------------------
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*/
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include_once (api_get_path(LIBRARY_PATH).'course.lib.php'); //necessary
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include_once (api_get_path(LIBRARY_PATH).'groupmanager.lib.php');
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include_once (api_get_path(LIBRARY_PATH).'events.lib.inc.php'); //necessary for statistics
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//Create default category if it doesn't exist when group categories aren't allowed
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if( api_get_setting('allow_group_categories') == 'false')
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{
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$cat_table = Database::get_course_table(GROUP_CATEGORY_TABLE);
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$sql = "SELECT * FROM $cat_table WHERE id = '".DEFAULT_GROUP_CATEGORY."'";
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$res = api_sql_query($sql,__FILE__,__LINE__);
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$num = mysql_num_rows($res);
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if($num == 0)
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{
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api_sql_query("INSERT INTO ".$cat_table." ( id , title , description , forum_state , max_student , self_reg_allowed , self_unreg_allowed , groups_per_user , display_order ) VALUES ('2', '".lang2db($DefaultGroupCategory)."', '', '1', '8', '0', '0', '0', '0');");
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}
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}
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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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if (!isset ($_GET['origin']) || $_GET['origin'] != 'learnpath')
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{ //so we are not in learnpath tool
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Display::display_header($nameTools,"Group");
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event_access_tool(TOOL_GROUP);
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//api_display_tool_title($nameTools);
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if (! $is_allowed_in_course) api_not_allowed();
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}
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else
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{
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?> <link rel="stylesheet" type="text/css" href="<?php echo api_get_path(WEB_CODE_PATH); ?>css/default.css" /> <?php
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}
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/*
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-----------------------------------------------------------
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Introduction section
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(editable by course admins)
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-----------------------------------------------------------
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*/
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Display::display_introduction_section(TOOL_GROUP);
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/*
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* Self-registration and unregistration
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*/
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if (isset ($_GET['action']))
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{
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switch ($_GET['action'])
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{
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case 'self_reg' :
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if (GroupManager :: is_self_registration_allowed($_SESSION['_uid'], $_GET['group_id']))
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{
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GroupManager :: subscribe_users($_SESSION['_uid'], $_GET['group_id']);
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Display :: display_normal_message(get_lang('GroupNowMember'));
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}
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break;
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case 'self_unreg' :
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if (GroupManager :: is_self_unregistration_allowed($_SESSION['_uid'], $_GET['group_id']))
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{
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GroupManager :: unsubscribe_users($_SESSION['_uid'], $_GET['group_id']);
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Display :: display_normal_message(get_lang('StudentDeletesHimself'));
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}
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break;
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case 'show_msg' :
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Display :: display_normal_message($_GET['msg']);
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break;
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}
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}
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/*
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* Group-admin functions
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*/
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if (api_is_allowed_to_edit())
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{
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// Post-actions
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if (isset ($_POST['action']))
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{
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switch ($_POST['action'])
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{
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case 'delete_selected' :
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if( is_array($_POST['group']))
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{
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GroupManager :: delete_groups($_POST['group']);
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Display :: display_normal_message(get_lang("SelectedGroupsDeleted"));
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}
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break;
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case 'empty_selected' :
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if( is_array($_POST['group']))
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{
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GroupManager :: unsubscribe_all_users($_POST['group']);
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Display :: display_normal_message(get_lang("SelectedGroupsEmptied"));
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}
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break;
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case 'fill_selected' :
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if( is_array($_POST['group']))
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{
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GroupManager :: fill_groups($_POST['group']);
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Display :: display_normal_message(get_lang("SelectedGroupsFilled"));
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}
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break;
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}
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}
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// Get-actions
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if (isset ($_GET['action']))
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{
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switch ($_GET['action'])
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{
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case 'swap_cat_order' :
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GroupManager :: swap_category_order($_GET['id1'], $_GET['id2']);
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Display :: display_normal_message(get_lang("CategoryOrderChanged"));
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break;
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case 'delete_one' :
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GroupManager :: delete_groups($_GET['id']);
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Display :: display_normal_message(get_lang("GroupDel"));
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break;
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case 'empty_one' :
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GroupManager :: unsubscribe_all_users($_GET['id']);
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Display :: display_normal_message(get_lang("GroupEmptied"));
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break;
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case 'fill_one' :
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GroupManager :: fill_groups($_GET['id']);
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Display :: display_normal_message(get_lang("GroupFilledGroups"));
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break;
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case 'delete_category' :
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GroupManager :: delete_category($_GET['id']);
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Display :: display_normal_message(get_lang('CategoryDeleted'));
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break;
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}
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}
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// Show admin-panel
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echo '<ul>';
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echo '<li><a href="group_creation.php">'.get_lang("NewGroupCreate").'</a></li>';
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if (get_setting('allow_group_categories') == 'true')
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{
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echo '<li><a href="group_category.php?action=add_category">'.get_lang("AddCategory").'</a></li>';
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}
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else
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{
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echo '<li><a href="group_category.php?id=2">'.get_lang('PropModify').'</a></li>';
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}
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if( Database::count_rows(Database::get_course_table(TABLE_GROUP)) > 0)
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{
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echo '<li><a href="group_overview.php">'.get_lang('GroupOverview').'</a></li>';
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}
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echo '</ul>';
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}
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$group_cats = GroupManager :: get_categories();
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if (get_setting('allow_group_categories') == 'true' && count($group_cats) > 1)
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{
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echo '<p><a href="?show_all=1">'.get_lang('ShowAll').'</a></p>';
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}
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/*
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* List all categories
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*/
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foreach ($group_cats as $index => $category)
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{
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$group_list = array ();
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$in_category = false;
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if (get_setting('allow_group_categories') == 'true')
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{
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if (isset ($_GET['show_all']) || (isset ($_GET['category']) && $_GET['category'] == $category['id']))
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{
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echo '<img src="../img/opendir.gif" alt=""/>';
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echo ' <a href="group.php?origin='.$_GET['origin'].'">'.$category['title'].'</a>';
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$in_category = true;
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}
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else
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{
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echo '<img src="../img/file.gif" alt=""/>';
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echo ' <a href="group.php?origin='.$_GET['origin'].'&category='.$category['id'].'">'.$category['title'].'</a>';
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}
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$group_list = GroupManager :: get_group_list($category['id']);
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echo ' ('.count($group_list).' '.get_lang("ExistingGroups").')';
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if (api_is_allowed_to_edit())
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{
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echo '<a href="group_category.php?id='.$category['id'].'" title="'.get_lang('Edit').'"><img src="../img/edit.gif" alt="'.get_lang('Edit').'"/></a> ';
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echo '<a href="group.php?action=delete_category&id='.$category['id'].'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang("ConfirmYourChoice")))."'".')) return false;" title="'.get_lang('Delete').'"><img src="../img/delete.gif" alt="'.get_lang('Delete').'"/></a> ';
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if ($index != 0)
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{
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echo ' <a href="group.php?action=swap_cat_order&id1='.$category['id'].'&id2='.$group_cats[$index -1]['id'].'"><img src="../img/up.gif" alt=""/></a>';
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}
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if ($index != count($group_cats) - 1)
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{
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echo ' <a href="group.php?action=swap_cat_order&id1='.$category['id'].'&id2='.$group_cats[$index +1]['id'].'"><img src="../img/down.gif" alt=""/></a>';
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}
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}
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echo '<p style="margin: 0px;margin-left: 50px;">'.$category['description'].'</p>';
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}
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else
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{
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$group_list = GroupManager :: get_group_list();
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$in_category = true;
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}
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echo '<div style="margin: 0px;margin-left: 50px;">';
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if (count($group_list) > 0 && $in_category)
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{
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$totalRegistered = 0;
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// Determine wether current user is tutor for this course
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$user_is_tutor = GroupManager :: is_tutor($_user['user_id']);
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$group_data = array ();
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foreach ($group_list as $index => $this_group)
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{
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// all the tutors of this group
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$tutorsids_of_group=GroupManager::get_subscribed_tutors($this_group['id'],true);
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// create a new table-row
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$row = array ();
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// checkbox
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if (api_is_allowed_to_edit() && count($group_list) > 1)
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{
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$row[] = $this_group['id'];
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}
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// group name
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if (api_is_allowed_to_edit() || in_array($_user['user_id'],$tutorsids_of_group) || $this_group['is_member'] || GroupManager::user_has_access($_user['user_id'],$this_group['id'],GROUP_TOOL_FORUM) || GroupManager::user_has_access($_user['user_id'],$this_group['id'],GROUP_TOOL_DOCUMENTS))
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{
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$group_name = '<a href="group_space.php?'.api_get_cidreq().'&origin='.$origin.'&gidReq='.$this_group['id'].'">'.$this_group['name'].'</a>';
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if ($_SESSION['_uid'] && $_SESSION['_uid'] == $this_group['id_tutor'])
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{
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$group_name .= ' ('.get_lang('OneMyGroups').')';
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}
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elseif ($this_group['is_member'])
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{
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$group_name .= ' ('.get_lang("MyGroup").')';
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}
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$row[] = $group_name.'<br/>'.trim($this_group['description']);
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}
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else
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{
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$row[] = $this_group['name'].'<br/>'.trim($this_group['description']);
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}
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// self-registration / unregistration
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if (!api_is_allowed_to_edit())
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{
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if (GroupManager :: is_self_registration_allowed($_user['user_id'], $this_group['id']))
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{
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$row[] = '<a href="group.php?category='.$category['id'].'&action=self_reg&group_id='.$this_group['id'].'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang("ConfirmYourChoice")))."'".')) return false;">'.get_lang("GroupSelfRegInf").'</a>';
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}
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elseif (GroupManager :: is_self_unregistration_allowed($_user['user_id'], $this_group['id']))
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{
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$row[] = '<a href="group.php?category='.$category['id'].'&action=self_unreg&group_id='.$this_group['id'].'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang("ConfirmYourChoice")))."'".')) return false;">'.get_lang("GroupSelfUnRegInf").'</a>';
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}
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else
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{
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$row[] = '-';
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}
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}
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// number of members in group
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$row[] = $this_group['number_of_members'];
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// max number of members in group
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$row[] = ($this_group['maximum_number_of_members'] == MEMBER_PER_GROUP_NO_LIMIT ? '-' : $this_group['maximum_number_of_members']);
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// tutor name
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$tutor_info = '';
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if($this_group['id_tutor'] != 0)
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{
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$tutor = api_get_user_info($this_group['id_tutor']);
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$tutor_info = Display::encrypted_mailto_link($tutor['mail'],$tutor['firstName'].' '.$tutor['lastName']);
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}
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$row[] = $tutor_info;
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// edit-links
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if (api_is_allowed_to_edit())
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{
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$edit_actions = '<a href="group_edit.php?gidReq='.$this_group['id'].'" title="'.get_lang('Edit').'"><img src="../img/edit.gif" alt="'.get_lang("Edit").'"/></a>';
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$edit_actions .= '<a href="'.$_SERVER['PHP_SELF'].'?category='.$category['id'].'&action=delete_one&id='.$this_group['id'].'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang("ConfirmYourChoice")))."'".')) return false;" title="'.get_lang('Delete').'"><img src="../img/delete.gif" alt="'.get_lang("Delete").'"/></a>';
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$edit_actions .= '<a href="'.$_SERVER['PHP_SELF'].'?category='.$category['id'].'&action=empty_one&id='.$this_group['id'].'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang("ConfirmYourChoice")))."'".')) return false;" title="'.get_lang('EmptyGroup').'"><img src="../img/deluser.gif" alt="'.get_lang("EmptyGroup").'"/></a>';
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$edit_actions .= '<a href="'.$_SERVER['PHP_SELF'].'?category='.$category['id'].'&action=fill_one&id='.$this_group['id'].'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang("ConfirmYourChoice")))."'".')) return false;" title="'.get_lang('FillGroup').'"><img src="../img/adduser.gif" alt="'.get_lang("FillGroup").'"/></a>';
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$row[] = $edit_actions;
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}
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$totalRegistered = $totalRegistered + $this_group[nbMember];
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$group_data[] = $row;
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} // while loop
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if (isset ($_GET['show_all']))
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{
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$paging_options = array ('per_page' => count($group_data));
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}
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else
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{
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$paging_options = array ();
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}
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$table = new SortableTableFromArray($group_data);
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$table->set_additional_parameters(array('category'=>$_GET['category']));
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$column = 0;
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if (api_is_allowed_to_edit() and count($group_list) > 1)
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{
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$table->set_header($column++,'', false);
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}
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$table->set_header($column++,get_lang("ExistingGroups"));
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if (!api_is_allowed_to_edit()) // If self-registration allowed
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{
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$table->set_header($column++,get_lang("GroupSelfRegistration"));
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}
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$table->set_header($column++,get_lang("Registered"));
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$table->set_header($column++,get_lang("Max"));
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$table->set_header($column++,get_lang('GroupTutor'));
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if (api_is_allowed_to_edit()) // only for course administrator
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{
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$table->set_header($column++,get_lang("Modify"), false);
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$form_actions = array();
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$form_actions['delete_selected'] = get_lang('Delete');
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$form_actions['fill_selected'] = get_lang('FillGroup');
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$form_actions['empty_selected'] = get_lang('EmptyGroup');
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if (count($group_list) > 1)
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{
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$table->set_form_actions($form_actions,'group');
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}
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}
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$table->display();
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}
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elseif ($in_category)
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{
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echo get_lang('NoGroupsAvailable');
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}
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echo '</div>';
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}
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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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if (!isset ($_GET['origin']) || $_GET['origin'] != 'learnpath')
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{
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Display::display_footer();
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}
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?>
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