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- <?php
- /*
- ===============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004 Dokeos S.A.
- Copyright (c) 2003 Ghent University (UGent)
- Copyright (c) 2001 Universite catholique de Louvain (UCL)
- Copyright (c) Roan Embrechts (Vrije Universiteit Brussel)
- Copyright (c) Bart Mollet
- For a full list of contributors, see "credits.txt".
- The full license can be read in "license.txt".
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- See the GNU General Public License for more details.
- Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
- ===============================================================================
- */
- /**
- ==============================================================================
- * Main page for the group module.
- * This script displays the general group settings,
- * and a list of groups with buttons to view, edit...
- *
- * @author Thomas Depraetere, Hugues Peeters, Christophe Gesche: initial versions
- * @author Bert Vanderkimpen, improved self-unsubscribe for cvs
- * @author Patrick Cool, show group comment under the group name
- * @author Roan Embrechts, initial self-unsubscribe code, code cleaning, virtual course support
- * @author Bart Mollet, code cleaning, use of Display-library, list of courseAdmin-tools, use of GroupManager
- * @package dokeos.group
- ==============================================================================
- */
- /*
- ==============================================================================
- INIT SECTION
- ==============================================================================
- */
- $langFile = "group";
- include ('../inc/global.inc.php');
- $this_section=SECTION_COURSES;
- $nameTools = get_lang("GroupManagement");
- /*
- -----------------------------------------------------------
- Libraries
- -----------------------------------------------------------
- */
- include_once (api_get_path(LIBRARY_PATH).'course.lib.php'); //necessary
- include_once (api_get_path(LIBRARY_PATH).'groupmanager.lib.php');
- include_once (api_get_path(LIBRARY_PATH).'events.lib.inc.php'); //necessary for statistics
- //Create default category if it doesn't exist when group categories aren't allowed
- if( api_get_setting('allow_group_categories') == 'false')
- {
- $cat_table = Database::get_course_table(GROUP_CATEGORY_TABLE);
- $sql = "SELECT * FROM $cat_table WHERE id = '".DEFAULT_GROUP_CATEGORY."'";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $num = mysql_num_rows($res);
- if($num == 0)
- {
- api_sql_query("INSERT INTO ".$cat_table." ( id , title , description , forum_state , max_student , self_reg_allowed , self_unreg_allowed , groups_per_user , display_order ) VALUES ('2', '".lang2db($DefaultGroupCategory)."', '', '1', '8', '0', '0', '0', '0');");
- }
- }
- /*
- -----------------------------------------------------------
- Header
- -----------------------------------------------------------
- */
- if (!isset ($_GET['origin']) || $_GET['origin'] != 'learnpath')
- { //so we are not in learnpath tool
- Display::display_header($nameTools,"Group");
- event_access_tool(TOOL_GROUP);
- //api_display_tool_title($nameTools);
- if (! $is_allowed_in_course) api_not_allowed();
- }
- else
- {
- ?> <link rel="stylesheet" type="text/css" href="<?php echo api_get_path(WEB_CODE_PATH); ?>css/default.css" /> <?php
- }
- /*
- -----------------------------------------------------------
- Introduction section
- (editable by course admins)
- -----------------------------------------------------------
- */
- Display::display_introduction_section(TOOL_GROUP);
- /*
- * Self-registration and unregistration
- */
- if (isset ($_GET['action']))
- {
- switch ($_GET['action'])
- {
- case 'self_reg' :
- if (GroupManager :: is_self_registration_allowed($_SESSION['_uid'], $_GET['group_id']))
- {
- GroupManager :: subscribe_users($_SESSION['_uid'], $_GET['group_id']);
- Display :: display_normal_message(get_lang('GroupNowMember'));
- }
- break;
- case 'self_unreg' :
- if (GroupManager :: is_self_unregistration_allowed($_SESSION['_uid'], $_GET['group_id']))
- {
- GroupManager :: unsubscribe_users($_SESSION['_uid'], $_GET['group_id']);
- Display :: display_normal_message(get_lang('StudentDeletesHimself'));
- }
- break;
- case 'show_msg' :
- Display :: display_normal_message($_GET['msg']);
- break;
- }
- }
- /*
- * Group-admin functions
- */
- if (api_is_allowed_to_edit())
- {
- // Post-actions
- if (isset ($_POST['action']))
- {
- switch ($_POST['action'])
- {
- case 'delete_selected' :
- if( is_array($_POST['group']))
- {
- GroupManager :: delete_groups($_POST['group']);
- Display :: display_normal_message(get_lang("SelectedGroupsDeleted"));
- }
- break;
- case 'empty_selected' :
- if( is_array($_POST['group']))
- {
- GroupManager :: unsubscribe_all_users($_POST['group']);
- Display :: display_normal_message(get_lang("SelectedGroupsEmptied"));
- }
- break;
- case 'fill_selected' :
- if( is_array($_POST['group']))
- {
- GroupManager :: fill_groups($_POST['group']);
- Display :: display_normal_message(get_lang("SelectedGroupsFilled"));
- }
- break;
- }
- }
- // Get-actions
- if (isset ($_GET['action']))
- {
- switch ($_GET['action'])
- {
- case 'swap_cat_order' :
- GroupManager :: swap_category_order($_GET['id1'], $_GET['id2']);
- Display :: display_normal_message(get_lang("CategoryOrderChanged"));
- break;
- case 'delete_one' :
- GroupManager :: delete_groups($_GET['id']);
- Display :: display_normal_message(get_lang("GroupDel"));
- break;
- case 'empty_one' :
- GroupManager :: unsubscribe_all_users($_GET['id']);
- Display :: display_normal_message(get_lang("GroupEmptied"));
- break;
- case 'fill_one' :
- GroupManager :: fill_groups($_GET['id']);
- Display :: display_normal_message(get_lang("GroupFilledGroups"));
- break;
- case 'delete_category' :
- GroupManager :: delete_category($_GET['id']);
- Display :: display_normal_message(get_lang('CategoryDeleted'));
- break;
- }
- }
- // Show admin-panel
- echo '<ul>';
- echo '<li><a href="group_creation.php">'.get_lang("NewGroupCreate").'</a></li>';
- if (get_setting('allow_group_categories') == 'true')
- {
- echo '<li><a href="group_category.php?action=add_category">'.get_lang("AddCategory").'</a></li>';
- }
- else
- {
- echo '<li><a href="group_category.php?id=2">'.get_lang('PropModify').'</a></li>';
- }
- if( Database::count_rows(Database::get_course_table(GROUP_TABLE)) > 0)
- {
- echo '<li><a href="group_overview.php">'.get_lang('GroupOverview').'</a></li>';
- }
- echo '</ul>';
- }
- $group_cats = GroupManager :: get_categories();
- if (get_setting('allow_group_categories') == 'true' && count($group_cats) > 1)
- {
- echo '<p><a href="?show_all=1">'.get_lang('ShowAll').'</a></p>';
- }
- /*
- * List all categories
- */
- foreach ($group_cats as $index => $category)
- {
- $group_list = array ();
- $in_category = false;
- if (get_setting('allow_group_categories') == 'true')
- {
- if (isset ($_GET['show_all']) || (isset ($_GET['category']) && $_GET['category'] == $category['id']))
- {
- echo '<img src="../img/opendir.gif" alt=""/>';
- echo ' <a href="group.php?origin='.$_GET['origin'].'">'.$category['title'].'</a>';
- $in_category = true;
- }
- else
- {
- echo '<img src="../img/file.gif" alt=""/>';
- echo ' <a href="group.php?origin='.$_GET['origin'].'&category='.$category['id'].'">'.$category['title'].'</a>';
- }
- $group_list = GroupManager :: get_group_list($category['id']);
- echo ' ('.count($group_list).' '.get_lang("ExistingGroups").')';
- if (api_is_allowed_to_edit())
- {
- echo '<a href="group_category.php?id='.$category['id'].'" title="'.get_lang('Edit').'"><img src="../img/edit.gif" alt="'.get_lang('Edit').'"/></a> ';
- echo '<a href="group.php?action=delete_category&id='.$category['id'].'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang("ConfirmYourChoice")))."'".')) return false;" title="'.get_lang('Delete').'"><img src="../img/delete.gif" alt="'.get_lang('Delete').'"/></a> ';
- if ($index != 0)
- {
- echo ' <a href="group.php?action=swap_cat_order&id1='.$category['id'].'&id2='.$group_cats[$index -1]['id'].'"><img src="../img/up.gif" alt=""/></a>';
- }
- if ($index != count($group_cats) - 1)
- {
- echo ' <a href="group.php?action=swap_cat_order&id1='.$category['id'].'&id2='.$group_cats[$index +1]['id'].'"><img src="../img/down.gif" alt=""/></a>';
- }
- }
- echo '<p style="margin: 0px;margin-left: 50px;">'.$category['description'].'</p>';
- }
- else
- {
- $group_list = GroupManager :: get_group_list();
- $in_category = true;
- }
- echo '<div style="margin: 0px;margin-left: 50px;">';
- if (count($group_list) > 0 && $in_category)
- {
- $totalRegistered = 0;
- // Determine wether current user is tutor for this course
- $user_is_tutor = GroupManager :: is_tutor($_uid);
- $group_data = array ();
- foreach ($group_list as $index => $this_group)
- {
- // all the tutors of this group
- $tutorsids_of_group=GroupManager::get_subscribed_tutors($this_group['id'],true);
- // create a new table-row
- $row = array ();
- // checkbox
- if (api_is_allowed_to_edit() && count($group_list) > 1)
- {
- $row[] = $this_group['id'];
- }
- // group name
- if (api_is_allowed_to_edit() || in_array($_uid,$tutorsids_of_group) || $this_group['is_member'] || GroupManager::user_has_access($_uid,$this_group['id'],GROUP_TOOL_FORUM) || GroupManager::user_has_access($_uid,$this_group['id'],GROUP_TOOL_DOCUMENTS))
- {
- $group_name = '<a href="group_space.php?'.api_get_cidreq().'&origin='.$origin.'&gidReq='.$this_group['id'].'">'.$this_group['name'].'</a>';
- if ($_SESSION['_uid'] && $_SESSION['_uid'] == $this_group['id_tutor'])
- {
- $group_name .= ' ('.get_lang('OneMyGroups').')';
- }
- elseif ($this_group['is_member'])
- {
- $group_name .= ' ('.get_lang("MyGroup").')';
- }
- $row[] = $group_name.'<br/>'.trim($this_group['description']);
- }
- else
- {
- $row[] = $this_group['name'].'<br/>'.trim($this_group['description']);
- }
- // self-registration / unregistration
- if (!api_is_allowed_to_edit())
- {
- if (GroupManager :: is_self_registration_allowed($_uid, $this_group['id']))
- {
- $row[] = '<a href="group.php?category='.$category['id'].'&action=self_reg&group_id='.$this_group['id'].'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang("ConfirmYourChoice")))."'".')) return false;">'.get_lang("GroupSelfRegInf").'</a>';
- }
- elseif (GroupManager :: is_self_unregistration_allowed($_uid, $this_group['id']))
- {
- $row[] = '<a href="group.php?category='.$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>';
- }
- else
- {
- $row[] = '-';
- }
- }
- // number of members in group
- $row[] = $this_group['number_of_members'];
- // max number of members in group
- $row[] = ($this_group['maximum_number_of_members'] == MEMBER_PER_GROUP_NO_LIMIT ? '-' : $this_group['maximum_number_of_members']);
- // tutor name
- $tutor_info = '';
- if($this_group['id_tutor'] != 0)
- {
- $tutor = api_get_user_info($this_group['id_tutor']);
- $tutor_info = Display::encrypted_mailto_link($tutor['mail'],$tutor['firstName'].' '.$tutor['lastName']);
- }
- $row[] = $tutor_info;
- // edit-links
- if (api_is_allowed_to_edit())
- {
- $edit_actions = '<a href="group_edit.php?gidReq='.$this_group['id'].'" title="'.get_lang('Edit').'"><img src="../img/edit.gif" alt="'.get_lang("Edit").'"/></a>';
- $edit_actions .= '<a href="'.$_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>';
- $edit_actions .= '<a href="'.$_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>';
- $edit_actions .= '<a href="'.$_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>';
- $row[] = $edit_actions;
- }
- $totalRegistered = $totalRegistered + $this_group[nbMember];
- $group_data[] = $row;
- } // while loop
- if (isset ($_GET['show_all']))
- {
- $paging_options = array ('per_page' => count($group_data));
- }
- else
- {
- $paging_options = array ();
- }
- $table = new SortableTableFromArray($group_data);
- $table->set_additional_parameters(array('category'=>$_GET['category']));
- $column = 0;
- if (api_is_allowed_to_edit() and count($group_list) > 1)
- {
- $table->set_header($column++,'', false);
- }
- $table->set_header($column++,get_lang("ExistingGroups"));
- if (!api_is_allowed_to_edit()) // If self-registration allowed
- {
- $table->set_header($column++,get_lang("GroupSelfRegistration"));
- }
- $table->set_header($column++,get_lang("Registered"));
- $table->set_header($column++,get_lang("Max"));
- $table->set_header($column++,get_lang('GroupTutor'));
- if (api_is_allowed_to_edit()) // only for course administrator
- {
- $table->set_header($column++,get_lang("Modify"), false);
- $form_actions = array();
- $form_actions['delete_selected'] = get_lang('Delete');
- $form_actions['fill_selected'] = get_lang('FillGroup');
- $form_actions['empty_selected'] = get_lang('EmptyGroup');
- if (count($group_list) > 1)
- {
- $table->set_form_actions($form_actions,'group');
- }
- }
- $table->display();
- }
- elseif ($in_category)
- {
- echo get_lang('NoGroupsAvailable');
- }
- echo '</div>';
- }
- /*
- ==============================================================================
- FOOTER
- ==============================================================================
- */
- if (!isset ($_GET['origin']) || $_GET['origin'] != 'learnpath')
- {
- Display::display_footer();
- }
- ?>
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