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							252 lines
						
					
					
						
							8.3 KiB
						
					
					
				
			
		
		
	
	
							252 lines
						
					
					
						
							8.3 KiB
						
					
					
				<?php
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/* For licensing terms, see /license.txt */
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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 chamilo.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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/*	INIT SECTION */
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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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$current_course_tool  = TOOL_GROUP;
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// Notice for unauthorized people.
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api_protect_course_script(true);
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$group_id = api_get_group_id();
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$current_group = GroupManager::get_group_properties($group_id);
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$nameTools = get_lang('EditGroup');
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$interbreadcrumb[] = array('url' => 'group.php', 'name' => get_lang('Groups'));
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$interbreadcrumb[] = array('url' => 'group_space.php?'.api_get_cidReq(), 'name' => $current_group['name']);
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$is_group_member = GroupManager::is_tutor_of_group(api_get_user_id(), $group_id);
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if (!api_is_allowed_to_edit(false, true) && !$is_group_member) {
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    api_not_allowed(true);
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}
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/**
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 *  List all users registered to the course
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 */
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function search_members_keyword($firstname, $lastname, $username, $official_code, $keyword)
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{
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    if (api_strripos($firstname, $keyword) !== false ||
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        api_strripos($lastname, $keyword) !== false ||
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        api_strripos($username, $keyword) !== false ||
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        api_strripos($official_code, $keyword) !== false
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    ) {
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        return true;
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    } else {
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        return false;
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    }
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}
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/**
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 * Function to sort users after getting the list in the DB.
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 * Necessary because there are 2 or 3 queries. Called by usort()
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 */
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function sort_users($user_a, $user_b)
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{
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    global $_configuration;
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    if (isset($_configuration['order_user_list_by_official_code']) &&
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        $_configuration['order_user_list_by_official_code']
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    ) {
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        $cmp = api_strcmp($user_a['official_code'], $user_b['official_code']);
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        if ($cmp !== 0) {
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            return $cmp;
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        } else {
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            $cmp = api_strcmp($user_a['lastname'], $user_b['lastname']);
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            if ($cmp !== 0) {
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                return $cmp;
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            } else {
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                return api_strcmp($user_a['username'], $user_b['username']);
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            }
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        }
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    }
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    if (api_sort_by_first_name()) {
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        $cmp = api_strcmp($user_a['firstname'], $user_b['firstname']);
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        if ($cmp !== 0) {
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            return $cmp;
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        } else {
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            $cmp = api_strcmp($user_a['lastname'], $user_b['lastname']);
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            if ($cmp !== 0) {
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                return $cmp;
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            } else {
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                return api_strcmp($user_a['username'], $user_b['username']);
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            }
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        }
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    } else {
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        $cmp = api_strcmp($user_a['lastname'], $user_b['lastname']);
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        if ($cmp !== 0) {
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            return $cmp;
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        } else {
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            $cmp = api_strcmp($user_a['firstname'], $user_b['firstname']);
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            if ($cmp !== 0) {
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                return $cmp;
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            } else {
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                return api_strcmp($user_a['username'], $user_b['username']);
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            }
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        }
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    }
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}
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/**
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 * Function to check if the number of selected group members is valid
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 */
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function check_group_members($value)
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{
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    if ($value['max_student'] == GroupManager::MEMBER_PER_GROUP_NO_LIMIT) {
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        return true;
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    }
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    if (isset($value['max_student']) && isset($value['group_members']) && $value['max_student'] < count($value['group_members'])) {
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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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/*	MAIN CODE */
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$htmlHeadXtra[] = '<script>
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$(document).ready( function() {
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    $("#max_member").on("focus", function() {
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        $("#max_member_selected").attr("checked", true);
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    });
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});
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 </script>';
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// Build form
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$form = new FormValidator('group_edit', 'post', api_get_self().'?'.api_get_cidreq());
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$form->addElement('hidden', 'action');
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$form->addElement('hidden', 'max_student', $current_group['max_student']);
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$complete_user_list = GroupManager::fill_groups_list($current_group['id']);
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$possible_users = array();
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if (!empty($complete_user_list)) {
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    usort($complete_user_list, 'sort_users');
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    foreach ($complete_user_list as $index => $user) {
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        $officialCode = !empty($user['official_code']) ? ' - '.$user['official_code'] : null;
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        $name = api_get_person_name(
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                $user['firstname'],
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                $user['lastname']
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                ).' ('.$user['username'].')'.$officialCode;
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        global $_configuration;
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        if (isset($_configuration['order_user_list_by_official_code']) &&
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            $_configuration['order_user_list_by_official_code']
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        ) {
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            $officialCode = !empty($user['official_code']) ? $user['official_code']." - " : '? - ';
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            $name = $officialCode." ".api_get_person_name(
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                $user['firstname'],
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                $user['lastname']
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            ).' ('.$user['username'].')';
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        }
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        $possible_users[$user['user_id']] = $name;
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    }
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}
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// Group members
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$group_member_list = GroupManager::get_subscribed_users($current_group['id']);
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$selected_users = array ();
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if (!empty($group_member_list)) {
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    foreach ($group_member_list as $index => $user) {
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        $selected_users[] = $user['user_id'];
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    }
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}
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$group_members_element = $form->addElement(
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    'advmultiselect',
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    'group_members',
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    get_lang('GroupMembers'),
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    $possible_users,
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    'style="width: 280px;"'
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);
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$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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$group_members_element->setButtonAttributes('add', array('class' => 'btn arrowr'));
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$group_members_element->setButtonAttributes('remove', array('class' => 'btn arrowl'));
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$form->addFormRule('check_group_members');
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// submit button
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$form->addElement('style_submit_button', 'submit', get_lang('SaveSettings'), 'class="save"');
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if ($form->validate()) {
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    $values = $form->exportValues();
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    // Storing the users (we first remove all users and then add only those who were selected)
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    GroupManager :: unsubscribe_all_users($current_group['id']);
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    if (isset ($_POST['group_members']) && count($_POST['group_members']) > 0) {
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        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 chamilo)
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    $cat = GroupManager :: get_category_from_group($current_group['id']);
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    if (isset($_POST['group_members']) && count($_POST['group_members']) > $max_member && $max_member != GroupManager::MEMBER_PER_GROUP_NO_LIMIT) {
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        header('Location: group.php?'.api_get_cidreq(true, false).'&action=warning_message&msg='.get_lang('GroupTooMuchMembers'));
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    } else {
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        header('Location: group.php?'.api_get_cidreq(true, false).'&action=success_message&msg='.get_lang('GroupSettingsModified').'&category='.$cat['id']);
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    }
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    exit;
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}
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$action = isset($_GET['action']) ? $_GET['action'] : null;
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switch ($action) {
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    case 'empty':
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        if (api_is_allowed_to_edit(false, true)) {
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            GroupManager :: unsubscribe_all_users($group_id);
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            Display :: display_confirmation_message(get_lang('GroupEmptied'));
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        }
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        break;
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}
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$defaults = $current_group;
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$defaults['group_members'] = $selected_users;
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$action = isset($_GET['action']) ? $_GET['action'] : '';
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$defaults['action'] = $action;
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if (!empty($_GET['keyword']) && !empty($_GET['submit'])) {
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    $keyword_name = Security::remove_XSS($_GET['keyword']);
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    echo '<br/>'.get_lang('SearchResultsFor').' <span style="font-style: italic ;"> '.$keyword_name.' </span><br>';
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}
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Display::display_header($nameTools, 'Group');
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//@todo fix this
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if (isset($_GET['show_message_warning'])) {
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    echo Display::display_warning_message($_GET['show_message_warning']);
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}
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if (isset($_GET['show_message_sucess'])) {
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    echo Display::display_normal_message($_GET['show_message_sucess']);
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}
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$form->setDefaults($defaults);
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echo GroupManager::getSettingBar('member');
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$form->display();
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Display :: display_footer();
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