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398 lines
14 KiB
398 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) Hugues Peeters
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Copyright (c) Thomas Depraetere
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Copyright (c) Christophe Gesche
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Copyright (c) Roan Embrechts
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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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* @package dokeos.group
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==============================================================================
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*/
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/*
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===============================================================================
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DOKEOS INIT SETTINGS
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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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$language_file = "group";
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require_once ('../inc/global.inc.php');
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$this_section = SECTION_COURSES;
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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).'classmanager.lib.php');
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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).'formvalidator/FormValidator.class.php');
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/*
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--------------------------------------
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Create the groups
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--------------------------------------
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*/
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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 'create_groups' :
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$groups = array ();
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for ($i = 0; $i < $_POST['number_of_groups']; $i ++)
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{
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$group['name'] = strlen($_POST['group_'.$i.'_name']) == 0 ? get_lang('Group').' '.$i : $_POST['group_'.$i.'_name'] ;
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$group['category'] = $_POST['group_'.$i.'_category'];
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$group['tutor'] = $_POST['group_'.$i.'_tutor'];
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$group['places'] = $_POST['group_'.$i.'_places'];
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$groups[] = $group;
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}
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foreach ($groups as $index => $group)
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{
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if ($_POST['same_tutor'])
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{
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$group['tutor'] = $_POST['group_0_tutor'];
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}
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if ($_POST['same_places'])
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{
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$group['places'] = $_POST['group_0_places'];
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}
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if (get_setting('allow_group_categories') == 'false')
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{
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$group['category'] = DEFAULT_GROUP_CATEGORY;
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}
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elseif ($_POST['same_category'])
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{
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$group['category'] = $_POST['group_0_category'];
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}
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GroupManager :: create_group(strip_tags($group['name']), $group['category'],$group['tutor'] , $group['places']);
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}
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$msg = urlencode(count($groups).' '.get_lang('GroupsAdded'));
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header('Location: group.php?action=show_msg&msg='.$msg);
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break;
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case 'create_virtual_groups' :
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$ids = GroupManager :: create_groups_from_virtual_courses();
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$msg = urlencode(count($ids).' '.get_lang('GroupsAdded'));
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header('Location: group.php?action=show_msg&msg='.$msg);
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break;
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case 'create_subgroups' :
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GroupManager :: create_subgroups($_POST['base_group'], $_POST['number_of_groups']);
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$msg = urlencode($_POST['number_of_groups'].' '.get_lang('GroupsAdded'));
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header('Location: group.php?action=show_msg&msg='.$msg);
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break;
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case 'create_class_groups' :
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$ids = GroupManager :: create_class_groups($_POST['group_category']);
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$msg = urlencode(count($ids).' '.get_lang('GroupsAdded'));
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header('Location: group.php?action=show_msg&msg='.$msg);
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break;
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}
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}
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$nameTools = get_lang('GroupCreation');
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$interbreadcrumb[] = array ("url" => "group.php", "name" => get_lang('GroupManagement'));
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Display :: display_header($nameTools, "Group");
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api_display_tool_title($nameTools);
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if (!is_allowed_to_edit())
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{
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api_not_allowed();
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}
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/*
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===============================================================================
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MAIN TOOL CODE
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===============================================================================
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*/
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/*
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--------------------------------------
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Show group-settings-form
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--------------------------------------
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*/
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elseif (isset ($_POST['number_of_groups']))
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{
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if (!is_numeric($_POST['number_of_groups']) || intval($_POST['number_of_groups']) < 1)
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{
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Display :: display_error_message(get_lang('PleaseEnterValidNumber').'<br/><br/><a href="group_creation.php?'.api_get_cidreq().'">« '.get_lang('Back').'</a>',false);
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}
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else
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{
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$number_of_groups = intval($_POST['number_of_groups']);
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if ($number_of_groups > 1)
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{
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?>
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<script type="text/javascript">
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<!--
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var number_of_groups = <?php echo $number_of_groups; ?>;
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function switch_state(key)
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{
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for( i=1; i<number_of_groups; i++)
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{
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element = document.getElementById(key+'_'+i);
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element.disabled = !element.disabled;
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disabled = element.disabled;
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}
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ref = document.getElementById(key+'_0');
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if( disabled )
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{
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ref.addEventListener("change", copy, false);
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}
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else
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{
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ref.removeEventListener("change", copy, false);
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}
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copy_value(key);
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}
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function copy(e)
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{
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key = e.currentTarget.id;
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var re = new RegExp ('_0', '') ;
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var key = key.replace(re, '') ;
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copy_value(key);
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}
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function copy_value(key)
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{
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ref = document.getElementById(key+'_0');
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for( i=1; i<number_of_groups; i++)
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{
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element = document.getElementById(key+'_'+i);
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element.value = ref.value;
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}
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}
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-->
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</script>
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<?php
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}
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$group_categories = GroupManager :: get_categories();
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$group_id = GroupManager :: get_number_of_groups() + 1;
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/*$tutors = GroupManager :: get_all_tutors();
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$tutor_options[0] = get_lang('GroupNoTutor');
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foreach ($tutors as $index => $tutor)
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{
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$tutor_options[$tutor['user_id']] = $tutor['firstname'].' '.$tutor['lastname'];
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}
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$cat_options = array ();
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*/
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foreach ($group_categories as $index => $category)
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{
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// Don't allow new groups in the virtual course category!
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if ($category['id'] != VIRTUAL_COURSE_CATEGORY)
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{
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$cat_options[$category['id']] = $category['title'];
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}
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}
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$form = new FormValidator('create_groups_step2');
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// Modify the default templates
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$renderer = & $form->defaultRenderer();
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$form_template = "<form {attributes}>\n<div>\n<table>\n{content}\n</table>\n</div>\n</form>";
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$renderer->setFormTemplate($form_template);
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$element_template = <<<EOT
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<tr>
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<td>
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<!-- BEGIN required --><span class="form_required">*</span> <!-- END required -->{label}
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</td>
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<td>
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<!-- BEGIN error --><span class="form_error">{error}</span><br /><!-- END error --> {element}
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</td>
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</tr>
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EOT;
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$renderer->setElementTemplate($element_template);
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$form->addElement('hidden', 'action');
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$form->addElement('hidden', 'number_of_groups');
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$defaults = array ();
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// Table heading
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$group_el = array ();
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$group_el[] = & $form->createElement('static', null, null, '<b>'.get_lang('GroupName').'</b>');
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if (get_setting('allow_group_categories') == 'true')
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{
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$group_el[] = & $form->createElement('static', null, null, '<b>'.get_lang('GroupCategory').'</b>');
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}
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//$group_el[] = & $form->createElement('static', null, null, '<b>'.get_lang('GroupTutor').'</b>');
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$group_el[] = & $form->createElement('static', null, null, '<b>'.get_lang('GroupPlacesThis').'</b>');
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$form->addGroup($group_el, 'groups', null, "\n</td>\n<td>\n", false);
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// Checkboxes
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if ($_POST['number_of_groups'] > 1)
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{
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$group_el = array ();
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$group_el[] = & $form->createElement('static', null, null, ' ');
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if (get_setting('allow_group_categories') == 'true')
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{
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$group_el[] = & $form->createElement('checkbox', 'same_category', null, get_lang('SameForAll'), array ('onclick' => "javascript:switch_state('category')"));
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}
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//$group_el[] = & $form->createElement('checkbox', 'same_tutor', null, get_lang('SameForAll'), array ('onclick' => "javascript:switch_state('tutor')"));
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$group_el[] = & $form->createElement('checkbox', 'same_places', null, get_lang('SameForAll'), array ('onclick' => "javascript:switch_state('places')"));
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$form->addGroup($group_el, 'groups', null, '</td><td>', false);
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}
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// Properties for all groups
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for ($group_number = 0; $group_number < $_POST['number_of_groups']; $group_number ++)
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{
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$group_el = array ();
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$group_el[] = & $form->createElement('text', 'group_'.$group_number.'_name');
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if (get_setting('allow_group_categories') == 'true')
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{
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$group_el[] = & $form->createElement('select', 'group_'.$group_number.'_category', null, $cat_options, array ('id' => 'category_'.$group_number));
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}
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//$group_el[] = & $form->createElement('select', 'group_'.$group_number.'_tutor', null, $tutor_options, array ('id' => 'tutor_'.$group_number));
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$group_el[] = & $form->createElement('text', 'group_'.$group_number.'_places', null, array ('size' => 3, 'id' => 'places_'.$group_number));
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$defaults['group_'.$group_number.'_name'] = get_lang('GroupSingle').' '.$group_id ++;
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$form->addGroup($group_el, 'group_'.$group_number, null, '</td><td>', false);
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}
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$defaults['action'] = 'create_groups';
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$defaults['number_of_groups'] = $_POST['number_of_groups'];
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$form->setDefaults($defaults);
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$form->addElement('submit', 'submit', get_lang('Ok'));
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$form->display();
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}
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}
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else
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{
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/*
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* Show form to generate new groups
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*/
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$categories = GroupManager :: get_categories();
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echo '<b>'.get_lang('NewGroups').'</b>';
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echo '<blockquote>';
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if (count($categories) > 1 || isset ($categories[0]) && $categories[0]['id'] != VIRTUAL_COURSE_CATEGORY)
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{
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$create_groups_form = new FormValidator('create_groups');
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$group_el = array ();
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$group_el[] = & $create_groups_form->createElement('static', null, null, get_lang('Create'));
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$group_el[] = & $create_groups_form->createElement('text', 'number_of_groups', null, array ('size' => 3));
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$group_el[] = & $create_groups_form->createElement('static', null, null, get_lang('NewGroups'));
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$group_el[] = & $create_groups_form->createElement('submit', 'submit', get_lang('Ok'));
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$create_groups_form->addGroup($group_el, 'create_groups', null, ' ', false);
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$defaults = array ();
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$defaults['number_of_groups'] = 1;
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$create_groups_form->setDefaults($defaults);
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$create_groups_form->display();
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}
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else
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{
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echo get_lang('NoCategoriesDefined');
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}
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echo '</blockquote>';
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/*
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* Show form to generate groups from virtual courses
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*/
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$virtual_courses = CourseManager :: get_virtual_courses_linked_to_real_course($_course['sysCode']);
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if (count($virtual_courses) > 0)
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{
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echo '<b>'.get_lang('CreateGroupsFromVirtualCourses').'</b>';
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echo '<blockquote>';
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echo get_lang('CreateGroupsFromVirtualCoursesInfo');
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$create_virtual_groups_form = new FormValidator('create_virtual_groups');
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$create_virtual_groups_form->addElement('hidden', 'action');
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$create_virtual_groups_form->addElement('submit', 'submit', get_lang('Ok'));
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$create_virtual_groups_form->setDefaults(array ('action' => 'create_virtual_groups'));
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$create_virtual_groups_form->display();
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echo '</blockquote>';
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}
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/*
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* Show form to generate subgroups
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*/
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if (get_setting('allow_group_categories') == 'true' && count(GroupManager :: get_group_list()) > 0)
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{
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$base_group_options = array ();
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$groups = GroupManager :: get_group_list();
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foreach ($groups as $index => $group)
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{
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$number_of_students = GroupManager :: number_of_students($group['id']);
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if ($number_of_students > 0)
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{
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$base_group_options[$group['id']] = $group['name'].' ('.$number_of_students.' '.get_lang('Users').')';
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}
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}
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if (count($base_group_options) > 0)
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{
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echo '<b>'.get_lang('CreateSubgroups').'</b>';
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echo '<blockquote>';
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echo '<p>'.get_lang('CreateSubgroupsInfo').'</p>';
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$create_subgroups_form = new FormValidator('create_subgroups');
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$create_subgroups_form->addElement('hidden', 'action');
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$group_el = array ();
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$group_el[] = & $create_subgroups_form->createElement('static', null, null, get_lang('CreateNumberOfGroups'));
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$group_el[] = & $create_subgroups_form->createElement('text', 'number_of_groups', null, array ('size' => 3));
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$group_el[] = & $create_subgroups_form->createElement('static', null, null, get_lang('WithUsersFrom'));
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$group_el[] = & $create_subgroups_form->createElement('select', 'base_group', null, $base_group_options);
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$group_el[] = & $create_subgroups_form->createElement('submit', 'submit', get_lang('Ok'));
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$create_subgroups_form->addGroup($group_el, 'create_groups', null, ' ', false);
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$defaults = array ();
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$defaults['action'] = 'create_subgroups';
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$create_subgroups_form->setDefaults($defaults);
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$create_subgroups_form->display();
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echo '</blockquote>';
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}
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}
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/*
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* Show form to generate groups from classes subscribed to the course
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*/
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$classes = ClassManager :: get_classes_in_course($_course['sysCode']);
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if (count($classes) > 0)
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{
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echo '<b>'.get_lang('GroupsFromClasses').'</b>';
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echo '<blockquote>';
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echo '<p>'.get_lang('GroupsFromClassesInfo').'</p>';
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echo '<ul>';
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foreach ($classes as $index => $class)
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{
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$number_of_users = count(ClassManager :: get_users($class['id']));
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echo '<li>';
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echo $class['name'];
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echo ' ('.$number_of_users.' '.get_lang('Users').')';
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echo '</li>';
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}
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echo '</ul>';
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$create_class_groups_form = new FormValidator('create_class_groups_form');
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$create_class_groups_form->addElement('hidden', 'action');
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if (get_setting('allow_group_categories') == 'true')
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{
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$group_categories = GroupManager :: get_categories();
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$cat_options = array ();
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foreach ($group_categories as $index => $category)
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{
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// Don't allow new groups in the virtual course category!
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if ($category['id'] != VIRTUAL_COURSE_CATEGORY)
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{
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$cat_options[$category['id']] = $category['title'];
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}
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}
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$create_class_groups_form->addElement('select', 'group_category', null, $cat_options);
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}
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else
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{
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$create_class_groups_form->addElement('hidden', 'group_category');
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}
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$create_class_groups_form->addElement('submit', 'submit', get_lang('Ok'));
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$defaults['group_category'] = DEFAULT_GROUP_CATEGORY;
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$defaults['action'] = 'create_class_groups';
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$create_class_groups_form->setDefaults($defaults);
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$create_class_groups_form->display();
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echo '</blockquote>';
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}
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}
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/*
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===============================================================================
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DOKEOS FOOTER
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===============================================================================
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*/
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Display :: display_footer();
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?>
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