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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Add/remove group from grouping.
*
* @copyright 1999 Martin Dougiamas http://dougiamas.com
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @package core_group
*/
require_once('../config.php');
require_once('lib.php');
$groupingid = required_param('id', PARAM_INT);
$PAGE->set_url('/group/assign.php', array('id'=>$groupingid));
if (!$grouping = $DB->get_record('groupings', array('id'=>$groupingid))) {
print_error('invalidgroupid');
}
if (!$course = $DB->get_record('course', array('id'=>$grouping->courseid))) {
print_error('invalidcourse');
}
$courseid = $course->id;
require_login($course);
$context = context_course::instance($courseid);
require_capability('moodle/course:managegroups', $context);
$returnurl = $CFG->wwwroot.'/group/groupings.php?id='.$courseid;
if ($frm = data_submitted() and confirm_sesskey()) {
if (isset($frm->cancel)) {
redirect($returnurl);
} else if (isset($frm->add) and !empty($frm->addselect)) {
foreach ($frm->addselect as $groupid) {
// Ask this method not to purge the cache, we'll do it ourselves afterwards.
groups_assign_grouping($grouping->id, (int)$groupid, null, false);
}
// Invalidate the course groups cache seeing as we've changed it.
cache_helper::invalidate_by_definition('core', 'groupdata', array(), array($courseid));
// Invalidate the user_group_groupings cache, too.
cache_helper::purge_by_definition('core', 'user_group_groupings');
} else if (isset($frm->remove) and !empty($frm->removeselect)) {
foreach ($frm->removeselect as $groupid) {
// Ask this method not to purge the cache, we'll do it ourselves afterwards.
groups_unassign_grouping($grouping->id, (int)$groupid, false);
}
// Invalidate the course groups cache seeing as we've changed it.
cache_helper::invalidate_by_definition('core', 'groupdata', array(), array($courseid));
// Invalidate the user_group_groupings cache, too.
cache_helper::purge_by_definition('core', 'user_group_groupings');
}
}
$currentmembers = array();
$potentialmembers = array();
if ($groups = $DB->get_records('groups', array('courseid'=>$courseid), 'name')) {
if ($assignment = $DB->get_records('groupings_groups', array('groupingid'=>$grouping->id))) {
foreach ($assignment as $ass) {
$currentmembers[$ass->groupid] = $groups[$ass->groupid];
unset($groups[$ass->groupid]);
}
}
$potentialmembers = $groups;
}
$currentmembersoptions = '';
$currentmemberscount = 0;
if ($currentmembers) {
foreach($currentmembers as $group) {
$currentmembersoptions .= '<option value="' . $group->id . '." title="' . format_string($group->name) . '">' .
format_string($group->name) . '</option>';
$currentmemberscount ++;
}
// Get course managers so they can be highlighted in the list
if ($managerroles = get_config('', 'coursecontact')) {
$coursecontactroles = explode(',', $managerroles);
foreach ($coursecontactroles as $roleid) {
$role = $DB->get_record('role', array('id'=>$roleid));
$managers = get_role_users($roleid, $context, true, 'u.id', 'u.id ASC');
}
}
} else {
$currentmembersoptions .= '<option> </option>';
}
$potentialmembersoptions = '';
$potentialmemberscount = 0;
if ($potentialmembers) {
foreach($potentialmembers as $group) {
$potentialmembersoptions .= '<option value="' . $group->id . '." title="' . format_string($group->name) . '">' .
format_string($group->name) . '</option>';
$potentialmemberscount ++;
}
} else {
$potentialmembersoptions .= '<option> </option>';
}
// Print the page and form
$strgroups = get_string('groups');
$strparticipants = get_string('participants');
$straddgroupstogroupings = get_string('addgroupstogroupings', 'group');
$groupingname = format_string($grouping->name);
navigation_node::override_active_url(new moodle_url('/group/index.php', array('id'=>$course->id)));
$PAGE->set_pagelayout('admin');
$PAGE->navbar->add($strparticipants, new moodle_url('/user/index.php', array('id'=>$courseid)));
$PAGE->navbar->add($strgroups, new moodle_url('/group/index.php', array('id'=>$courseid)));
$PAGE->navbar->add($straddgroupstogroupings);
/// Print header
$PAGE->set_title("$course->shortname: $strgroups");
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
?>
<div id="addmembersform">
<h3 class="main"><?php print_string('addgroupstogroupings', 'group'); echo ": $groupingname"; ?></h3>
<form id="assignform" method="post" action="">
<div>
<input type="hidden" name="sesskey" value="<?php p(sesskey()); ?>" />
<table summary="" class="generaltable generalbox groupmanagementtable boxaligncenter">
<tr>
<td id="existingcell">
<label for="removeselect"><?php print_string('existingmembers', 'group', $currentmemberscount); ?></label>
<div class="userselector" id="removeselect_wrapper">
<select name="removeselect[]" size="20" id="removeselect" multiple="multiple"
onfocus="document.getElementById('assignform').add.disabled=true;
document.getElementById('assignform').remove.disabled=false;
document.getElementById('assignform').addselect.selectedIndex=-1;">
<?php echo $currentmembersoptions ?>
</select></div></td>
<td id="buttonscell">
<p class="arrow_button">
<input class="btn btn-secondary" name="add" id="add" type="submit"
value="<?php echo $OUTPUT->larrow().' '.get_string('add'); ?>"
title="<?php print_string('add'); ?>" /><br>
<input class="btn btn-secondary" name="remove" id="remove" type="submit"
value="<?php echo get_string('remove').' '.$OUTPUT->rarrow(); ?>"
title="<?php print_string('remove'); ?>" />
</p>
</td>
<td id="potentialcell">
<label for="addselect"><?php print_string('potentialmembers', 'group', $potentialmemberscount); ?></label>
<div class="userselector" id="addselect_wrapper">
<select name="addselect[]" size="20" id="addselect" multiple="multiple"
onfocus="document.getElementById('assignform').add.disabled=false;
document.getElementById('assignform').remove.disabled=true;
document.getElementById('assignform').removeselect.selectedIndex=-1;">
<?php echo $potentialmembersoptions ?>
</select>
</div>
</td>
</tr>
<tr><td colspan="3" id="backcell">
<input class="btn btn-secondary" type="submit" name="cancel"
value="<?php print_string('backtogroupings', 'group'); ?>" />
</td></tr>
</table>
</div>
</form>
</div>
<?php
echo $OUTPUT->footer();