<?php
/**
 * StatusNet - the distributed open-source microblogging tool
 * Copyright (C) 2011, StatusNet, Inc.
 *
 * Menu for streams
 * 
 * PHP version 5
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @category  Cache
 * @package   StatusNet
 * @author    Evan Prodromou <evan@status.net>
 * @copyright 2011 StatusNet, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
 * @link      http://status.net/
 */

if (!defined('STATUSNET')) {
    // This check helps protect against security problems;
    // your code file can't be executed directly from the web.
    exit(1);
}

/**
 * Menu for streams you follow
 *
 * @category  General
 * @package   StatusNet
 * @author    Evan Prodromou <evan@status.net>
 * @copyright 2011 StatusNet, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
 * @link      http://status.net/
 */

class StreamsNav extends Menu
{
    /**
     * Show the menu
     *
     * @return void
     */
    function show()
    {
        $user         = common_current_user();

        if (empty($user)) {
            throw new ServerException('Cannot show personal group navigation without a current user.');
        }

        $action = $this->actionName;

        $this->out->elementStart('ul', array('class' => 'nav'));

        if (Event::handle('StartStreamsNav', array($this))) {
            $group = $user->getGroups();
            
            while ($group->fetch()) {
                $this->out->menuItem(($group->mainpage) ? $group->mainpage : common_local_url('showgroup',
                                                                                              array('nickname' => $group->nickname)),
                                     $group->getBestName(),
                                     '',
                                     $action == 'showgroup' && $this->action->arg('nickname') == $group->nickname,
                                     'nav_timeline_group_'.$group->nickname);
            }
            Event::handle('EndStreamsNav', array($this));
        }

        $this->out->elementEnd('ul');
    }
}