settings.php

<?php

// This file is part of local_nagios
//
// local_nagios 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.
//
// local_nagios 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 local_nagios.  If not, see <http://www.gnu.org/licenses/>.
//
// Author: Michael Aherne
// Copyright 2014 University of Strathclyde

if ($ADMIN->fulltree && $ADMIN->locate('localplugins')) {
    $ADMIN->add('localplugins', new admin_externalpage('local_nagios', get_string('pluginname', 'local_nagios'), new moodle_url('/local/nagios/admin.php')));
} else {
	if ($ADMIN->locate('localplugins') && !$ADMIN->locate('local_nagios')) {
		$ADMIN->add('localplugins', new admin_externalpage('local_nagios', get_string('pluginname', 'local_nagios'), new moodle_url('/local/nagios/admin.php')));
	}
}