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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * This script displays an area where teachers can edit the group properties and member list.
- * Groups are also often called "teams" in the Dokeos code.
- *
- * @author various contributors
- * @author Roan Embrechts (VUB), partial code cleanup, initial virtual course support
- * @package chamilo.group
- * @todo course admin functionality to create groups based on who is in which course (or class).
- */
- /* INIT SECTION */
- // Name of the language file that needs to be included
- $language_file = 'group';
- require_once '../inc/global.inc.php';
- $this_section = SECTION_COURSES;
- $current_course_tool = TOOL_GROUP;
- // Notice for unauthorized people.
- api_protect_course_script(true);
- $group_id = api_get_group_id();
- $current_group = GroupManager::get_group_properties($group_id);
- $nameTools = get_lang('EditGroup');
- $interbreadcrumb[] = array('url' => 'group.php', 'name' => get_lang('Groups'));
- $interbreadcrumb[] = array('url' => 'group_space.php?'.api_get_cidReq(), 'name' => $current_group['name']);
- $is_group_member = GroupManager::is_tutor_of_group(api_get_user_id(), $group_id);
- if (!api_is_allowed_to_edit(false, true) && !$is_group_member) {
- api_not_allowed(true);
- }
- /**
- * List all users registered to the course
- */
- function search_members_keyword($firstname, $lastname, $username, $official_code, $keyword)
- {
- if (api_strripos($firstname, $keyword) !== false ||
- api_strripos($lastname, $keyword) !== false ||
- api_strripos($username, $keyword) !== false ||
- api_strripos($official_code, $keyword) !== false
- ) {
- return true;
- } else {
- return false;
- }
- }
- /**
- * Function to sort users after getting the list in the DB.
- * Necessary because there are 2 or 3 queries. Called by usort()
- */
- function sort_users($user_a, $user_b)
- {
- global $_configuration;
- if (isset($_configuration['order_user_list_by_official_code']) &&
- $_configuration['order_user_list_by_official_code']
- ) {
- $cmp = api_strcmp($user_a['official_code'], $user_b['official_code']);
- if ($cmp !== 0) {
- return $cmp;
- } else {
- $cmp = api_strcmp($user_a['lastname'], $user_b['lastname']);
- if ($cmp !== 0) {
- return $cmp;
- } else {
- return api_strcmp($user_a['username'], $user_b['username']);
- }
- }
- }
- if (api_sort_by_first_name()) {
- $cmp = api_strcmp($user_a['firstname'], $user_b['firstname']);
- if ($cmp !== 0) {
- return $cmp;
- } else {
- $cmp = api_strcmp($user_a['lastname'], $user_b['lastname']);
- if ($cmp !== 0) {
- return $cmp;
- } else {
- return api_strcmp($user_a['username'], $user_b['username']);
- }
- }
- } else {
- $cmp = api_strcmp($user_a['lastname'], $user_b['lastname']);
- if ($cmp !== 0) {
- return $cmp;
- } else {
- $cmp = api_strcmp($user_a['firstname'], $user_b['firstname']);
- if ($cmp !== 0) {
- return $cmp;
- } else {
- return api_strcmp($user_a['username'], $user_b['username']);
- }
- }
- }
- }
- /**
- * Function to check if the number of selected group members is valid
- */
- function check_group_members($value)
- {
- if ($value['max_student'] == GroupManager::MEMBER_PER_GROUP_NO_LIMIT) {
- return true;
- }
- if (isset($value['max_student']) && isset($value['group_members']) && $value['max_student'] < count($value['group_members'])) {
- return array('group_members' => get_lang('GroupTooMuchMembers'));
- }
- return true;
- }
- /* MAIN CODE */
- $htmlHeadXtra[] = '<script>
- $(document).ready( function() {
- $("#max_member").on("focus", function() {
- $("#max_member_selected").attr("checked", true);
- });
- });
- </script>';
- // Build form
- $form = new FormValidator('group_edit', 'post', api_get_self().'?'.api_get_cidreq());
- $form->addElement('hidden', 'action');
- $form->addElement('hidden', 'max_student', $current_group['max_student']);
- $complete_user_list = GroupManager::fill_groups_list($current_group['id']);
- $possible_users = array();
- if (!empty($complete_user_list)) {
- usort($complete_user_list, 'sort_users');
- foreach ($complete_user_list as $index => $user) {
- $officialCode = !empty($user['official_code']) ? ' - '.$user['official_code'] : null;
- $name = api_get_person_name(
- $user['firstname'],
- $user['lastname']
- ).' ('.$user['username'].')'.$officialCode;
- global $_configuration;
- if (isset($_configuration['order_user_list_by_official_code']) &&
- $_configuration['order_user_list_by_official_code']
- ) {
- $officialCode = !empty($user['official_code']) ? $user['official_code']." - " : '? - ';
- $name = $officialCode." ".api_get_person_name(
- $user['firstname'],
- $user['lastname']
- ).' ('.$user['username'].')';
- }
- $possible_users[$user['user_id']] = $name;
- }
- }
- // Group members
- $group_member_list = GroupManager::get_subscribed_users($current_group['id']);
- $selected_users = array ();
- if (!empty($group_member_list)) {
- foreach ($group_member_list as $index => $user) {
- $selected_users[] = $user['user_id'];
- }
- }
- $group_members_element = $form->addElement(
- 'advmultiselect',
- 'group_members',
- get_lang('GroupMembers'),
- $possible_users,
- 'style="width: 280px;"'
- );
- $group_members_element->setElementTemplate('
- {javascript}
- <table{class}>
- <!-- BEGIN label_2 --><tr><th>{label_2}</th><!-- END label_2 -->
- <!-- BEGIN label_3 --><th> </th><th>{label_3}</th></tr><!-- END label_3 -->
- <tr>
- <td valign="top">{unselected}</td>
- <td align="center">{add}<br /><br />{remove}</td>
- <td valign="top">{selected}</td>
- </tr>
- </table>');
- $group_members_element->setButtonAttributes('add', array('class' => 'btn arrowr'));
- $group_members_element->setButtonAttributes('remove', array('class' => 'btn arrowl'));
- $form->addFormRule('check_group_members');
- // submit button
- $form->addElement('style_submit_button', 'submit', get_lang('SaveSettings'), 'class="save"');
- if ($form->validate()) {
- $values = $form->exportValues();
- // Storing the users (we first remove all users and then add only those who were selected)
- GroupManager :: unsubscribe_all_users($current_group['id']);
- if (isset ($_POST['group_members']) && count($_POST['group_members']) > 0) {
- GroupManager :: subscribe_users($values['group_members'], $current_group['id']);
- }
- // Returning to the group area (note: this is inconsistent with the rest of chamilo)
- $cat = GroupManager :: get_category_from_group($current_group['id']);
- if (isset($_POST['group_members']) && count($_POST['group_members']) > $max_member && $max_member != GroupManager::MEMBER_PER_GROUP_NO_LIMIT) {
- header('Location: group.php?'.api_get_cidreq(true, false).'&action=warning_message&msg='.get_lang('GroupTooMuchMembers'));
- } else {
- header('Location: group.php?'.api_get_cidreq(true, false).'&action=success_message&msg='.get_lang('GroupSettingsModified').'&category='.$cat['id']);
- }
- exit;
- }
- $action = isset($_GET['action']) ? $_GET['action'] : null;
- switch ($action) {
- case 'empty':
- if (api_is_allowed_to_edit(false, true)) {
- GroupManager :: unsubscribe_all_users($group_id);
- Display :: display_confirmation_message(get_lang('GroupEmptied'));
- }
- break;
- }
- $defaults = $current_group;
- $defaults['group_members'] = $selected_users;
- $action = isset($_GET['action']) ? $_GET['action'] : '';
- $defaults['action'] = $action;
- if (!empty($_GET['keyword']) && !empty($_GET['submit'])) {
- $keyword_name = Security::remove_XSS($_GET['keyword']);
- echo '<br/>'.get_lang('SearchResultsFor').' <span style="font-style: italic ;"> '.$keyword_name.' </span><br>';
- }
- Display::display_header($nameTools, 'Group');
- //@todo fix this
- if (isset($_GET['show_message_warning'])) {
- echo Display::display_warning_message($_GET['show_message_warning']);
- }
- if (isset($_GET['show_message_sucess'])) {
- echo Display::display_normal_message($_GET['show_message_sucess']);
- }
- $form->setDefaults($defaults);
- echo GroupManager::getSettingBar('member');
- $form->display();
- Display :: display_footer();
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