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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 '../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);
- }
- /* FUNCTIONS */
- /**
- * 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)
- {
- 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'], $user_b['username']);
- }
- }
- }
- }
- /**
- * Function to check the given max number of members per group
- */
- function check_max_number_of_members($value)
- {
- $max_member_no_limit = $value['max_member_no_limit'];
- if ($max_member_no_limit == GroupManager::MEMBER_PER_GROUP_NO_LIMIT) {
- return true;
- }
- $max_member = $value['max_member'];
- return is_numeric($max_member);
- }
- /**
- * Function to check if the number of selected group members is valid
- */
- function check_group_members($value)
- {
- if ($value['max_member_no_limit'] == GroupManager::MEMBER_PER_GROUP_NO_LIMIT) {
- return true;
- }
- if (isset($value['max_member']) && isset($value['group_members']) && $value['max_member'] < count($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('header', $nameTools);
- $form->addElement('hidden', 'action');
- $form->addElement('hidden', 'referer');
- // Group name
- $form->add_textfield('name', get_lang('GroupName'));
- // Description
- $form->addElement('textarea', 'description', get_lang('Description'), array ('class' => 'span6', 'rows' => 6));
- $complete_user_list = GroupManager :: fill_groups_list($current_group['id']);
- usort($complete_user_list, 'sort_users');
- $possible_users = array();
- foreach ($complete_user_list as $index => $user) {
- $possible_users[$user['user_id']] = api_get_person_name($user['firstname'], $user['lastname']).' ('.$user['username'].')';
- }
- // Group tutors
- $group_tutor_list = GroupManager :: get_subscribed_tutors($current_group['id']);
- $selected_users = array();
- $selected_tutors = array();
- foreach ($group_tutor_list as $index => $user) {
- $selected_tutors[] = $user['user_id'];
- }
- $group_tutors_element = $form->addElement('advmultiselect', 'group_tutors', get_lang('GroupTutors'), $possible_users, 'style="width: 280px;"');
- $group_tutors_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_tutors_element->setButtonAttributes('add', array('class' => 'btn arrowr'));
- $group_tutors_element->setButtonAttributes('remove', array('class' => 'btn arrowl'));
- // Group members
- $group_member_list = GroupManager :: get_subscribed_users($current_group['id']);
- $selected_users = array ();
- foreach ($group_member_list as $index => $user) {
- $selected_users[] = $user['user_id'];
- }
- // possible : number_groups_left > 0 and is group member
- $possible_users = array();
- foreach ($complete_user_list as $index => $user) {
- if ($user['number_groups_left'] > 0 || in_array($user['user_id'], $selected_users)) {
- $possible_users[$user['user_id']] = api_get_person_name($user['firstname'], $user['lastname']).' ('.$user['username'].')';
- }
- }
- $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');
- // Members per group
- $form->addElement('radio', 'max_member_no_limit', get_lang('GroupLimit'), get_lang('NoLimit'), GroupManager::MEMBER_PER_GROUP_NO_LIMIT);
- $group = array();
- $group[] = $form->createElement('radio', 'max_member_no_limit', null, get_lang('MaximumOfParticipants'), 1, array('id' => 'max_member_selected'));
- $group[] = $form->createElement('text', 'max_member', null, array('class' => 'span1', 'id' => 'max_member'));
- $group[] = $form->createElement('static', null, null, get_lang('GroupPlacesThis'));
- $form->addGroup($group, 'max_member_group', null, '', false);
- $form->addRule('max_member_group', get_lang('InvalidMaxNumberOfMembers'), 'callback', 'check_max_number_of_members');
- // Self registration
- $group = array(
- $form->createElement('checkbox', 'self_registration_allowed', get_lang('GroupSelfRegistration'), get_lang('GroupAllowStudentRegistration'), 1),
- $form->createElement('checkbox', 'self_unregistration_allowed', null, get_lang('GroupAllowStudentUnregistration'), 1)
- );
- $form->addGroup($group, '', Display::return_icon('user.png', get_lang('GroupSelfRegistration') , array(), ICON_SIZE_SMALL).' '.get_lang('GroupSelfRegistration'), '', false);
- // Documents settings
- $group = array();
- $group[] = $form->createElement('radio', 'doc_state', get_lang('GroupDocument'), get_lang('NotAvailable'), GroupManager::TOOL_NOT_AVAILABLE);
- $group[] = $form->createElement('radio', 'doc_state', null, get_lang('Public'), GroupManager::TOOL_PUBLIC);
- $group[] = $form->createElement('radio', 'doc_state', null, get_lang('Private'), GroupManager::TOOL_PRIVATE);
- $form->addGroup($group, '', Display::return_icon('folder.png', get_lang('GroupDocument') , array(), ICON_SIZE_SMALL).' '.get_lang('GroupDocument'), '', false);
- // Work settings
- $group = array();
- $group[] = $form->createElement('radio', 'work_state', get_lang('GroupWork'), get_lang('NotAvailable'), GroupManager::TOOL_NOT_AVAILABLE);
- $group[] = $form->createElement('radio', 'work_state', null, get_lang('Public'), GroupManager::TOOL_PUBLIC);
- $group[] = $form->createElement('radio', 'work_state', null, get_lang('Private'), GroupManager::TOOL_PRIVATE);
- $form->addGroup($group, '', Display::return_icon('work.png', get_lang('GroupWork') , array(), ICON_SIZE_SMALL).' '.get_lang('GroupWork'), '', false);
- // Calendar settings
- $group = array();
- $group[] = $form->createElement('radio', 'calendar_state', get_lang('GroupCalendar'), get_lang('NotAvailable'), GroupManager::TOOL_NOT_AVAILABLE);
- $group[] = $form->createElement('radio', 'calendar_state', null, get_lang('Public'), GroupManager::TOOL_PUBLIC);
- $group[] = $form->createElement('radio', 'calendar_state', null, get_lang('Private'), GroupManager::TOOL_PRIVATE);
- $form->addGroup($group, '', Display::return_icon('agenda.png', get_lang('GroupCalendar') , array(), ICON_SIZE_SMALL).' '.get_lang('GroupCalendar'), '', false);
- // Announcements settings
- $group = array();
- $group[] = $form->createElement('radio', 'announcements_state', get_lang('GroupAnnouncements'), get_lang('NotAvailable'), GroupManager::TOOL_NOT_AVAILABLE);
- $group[] = $form->createElement('radio', 'announcements_state', null, get_lang('Public'), GroupManager::TOOL_PUBLIC);
- $group[] = $form->createElement('radio', 'announcements_state', null, get_lang('Private'), GroupManager::TOOL_PRIVATE);
- $form->addGroup($group, '', Display::return_icon('announce.png', get_lang('GroupAnnouncements') , array(), ICON_SIZE_SMALL).' '.get_lang('GroupAnnouncements'), '', false);
- //Forum settings
- $group = array();
- $group[] = $form->createElement('radio', 'forum_state', get_lang('GroupForum'), get_lang('NotAvailable'), GroupManager::TOOL_NOT_AVAILABLE);
- $group[] = $form->createElement('radio', 'forum_state', null, get_lang('Public'), GroupManager::TOOL_PUBLIC);
- $group[] = $form->createElement('radio', 'forum_state', null, get_lang('Private'), GroupManager::TOOL_PRIVATE);
- $form->addGroup($group, '', Display::return_icon('forum.png', get_lang('GroupForum') , array(), ICON_SIZE_SMALL).' '.get_lang('GroupForum'), '', false);
- // Wiki settings
- $group = array(
- $form->createElement('radio', 'wiki_state', get_lang('GroupWiki'), get_lang('NotAvailable'), GroupManager::TOOL_NOT_AVAILABLE),
- $form->createElement('radio', 'wiki_state', null, get_lang('Public'), GroupManager::TOOL_PUBLIC),
- $form->createElement('radio', 'wiki_state', null, get_lang('Private'), GroupManager::TOOL_PRIVATE)
- );
- $form->addGroup($group, '', Display::return_icon('wiki.png', get_lang('GroupWiki') , array(), ICON_SIZE_SMALL).' '.get_lang('GroupWiki'), '', false);
- // Chat settings
- $group = array(
- $form->createElement('radio', 'chat_state', get_lang('Chat'), get_lang('NotAvailable'), GroupManager::TOOL_NOT_AVAILABLE),
- $form->createElement('radio', 'chat_state', null, get_lang('Public'), GroupManager::TOOL_PUBLIC),
- $form->createElement('radio', 'chat_state', null, get_lang('Private'), GroupManager::TOOL_PRIVATE)
- );
- $form->addGroup($group, '', Display::return_icon('chat.png', get_lang('Chat'), array(), ICON_SIZE_SMALL).' '.get_lang('Chat'), '', false);
- // submit button
- $form->addElement('style_submit_button', 'submit', get_lang('SaveSettings'), 'class="save"');
- if ($form->validate()) {
- $values = $form->exportValues();
- if ($values['max_member_no_limit'] == GroupManager::MEMBER_PER_GROUP_NO_LIMIT) {
- $max_member = GroupManager::MEMBER_PER_GROUP_NO_LIMIT;
- } else {
- $max_member = $values['max_member'];
- }
- $self_registration_allowed = isset($values['self_registration_allowed']) ? 1 : 0;
- $self_unregistration_allowed = isset($values['self_unregistration_allowed']) ? 1 : 0;
- GroupManager::set_group_properties(
- $current_group['id'],
- $values['name'],
- $values['description'],
- $max_member,
- $values['doc_state'],
- $values['work_state'],
- $values['calendar_state'],
- $values['announcements_state'],
- $values['forum_state'],
- $values['wiki_state'],
- $values['chat_state'],
- $self_registration_allowed,
- $self_unregistration_allowed
- );
- // Storing the tutors (we first remove all the tutors and then add only those who were selected)
- GroupManager :: unsubscribe_all_tutors($current_group['id']);
- if (isset ($_POST['group_tutors']) && count($_POST['group_tutors']) > 0) {
- GroupManager :: subscribe_tutors($values['group_tutors'], $current_group['id']);
- }
- // Storing the users (we first remove all users and then add only those who were selected)
- GroupManager :: unsubscribe_all_users($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;
- }
- $defaults = $current_group;
- $defaults['group_members'] = $selected_users;
- $defaults['group_tutors'] = $selected_tutors;
- $action = isset($_GET['action']) ? $_GET['action'] : '';
- $defaults['action'] = $action;
- if ($defaults['maximum_number_of_students'] == GroupManager::MEMBER_PER_GROUP_NO_LIMIT) {
- $defaults['max_member_no_limit'] = GroupManager::MEMBER_PER_GROUP_NO_LIMIT;
- } else {
- $defaults['max_member_no_limit'] = 1;
- $defaults['max_member'] = $defaults['maximum_number_of_students'];
- }
- if (!empty($_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);
- $form->display();
- Display :: display_footer();
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