lib/groupsnav.php

   1 <?php
   2 /**
   3  * StatusNet - the distributed open-source microblogging tool
   4  * Copyright (C) 2011, StatusNet, Inc.
   5  *
   6  * Menu for streams
   7  *
   8  * PHP version 5
   9  *
  10  * This program is free software: you can redistribute it and/or modify
  11  * it under the terms of the GNU Affero General Public License as published by
  12  * the Free Software Foundation, either version 3 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU Affero General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Affero General Public License
  21  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22  *
  23  * @category  Cache
  24  * @package   StatusNet
  25  * @author    Evan Prodromou <evan@status.net>
  26  * @copyright 2011 StatusNet, Inc.
  27  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
  28  * @link      http://status.net/
  29  */
  30
  31 if (!defined('STATUSNET')) {
  32     // This check helps protect against security problems;
  33     // your code file can't be executed directly from the web.
  34     exit(1);
  35 }
  36
  37 /**
  38  * Menu for streams you follow
  39  *
  40  * @category  General
  41  * @package   StatusNet
  42  * @author    Evan Prodromou <evan@status.net>
  43  * @copyright 2011 StatusNet, Inc.
  44  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
  45  * @link      http://status.net/
  46  */
  47 class GroupsNav extends Menu
  48 {
  49         const TOP_GROUPS = 5;
  50
  51     protected $user;
  52     protected $groups;
  53
  54     function __construct($action, $user)
  55     {
  56         parent::__construct($action);
  57         $this->user = $user;
  58         $this->groups = $this->getTopGroups($user);
  59     }
  60
  61     function haveGroups()
  62     {
  63         return (!empty($this->groups) && ($this->groups->N > 0));
  64     }
  65
  66         function getTopGroups($user)
  67         {
  68         $memberships = Group_member::byMember($user->id,
  69                                               0,
  70                                               self::TOP_GROUPS + 1);
  71
  72         $g = array();
  73
  74         while ($memberships->fetch()) {
  75             $g[] = User_group::staticGet('id', $memberships->group_id);
  76         }
  77
  78         return new ArrayWrapper($g);
  79         }
  80
  81     /**
  82      * Show the menu
  83      *
  84      * @return void
  85      */
  86     function show()
  87     {
  88         $action = $this->actionName;
  89
  90         $this->out->elementStart('ul', array('class' => 'nav',
  91                                              'id' => 'nav_group'));
  92
  93         if (Event::handle('StartGroupsNav', array($this))) {
  94
  95                         $cnt = 0;
  96
  97             while ($this->groups->fetch()) {
  98
  99                 $cnt++;
 100
 101                 if ($cnt > self::TOP_GROUPS) {
 102                         break;
 103                 }
 104
 105                 $this->out->menuItem(($this->groups->mainpage) ?
 106                                      $this->groups->mainpage :
 107                                      common_local_url('showgroup',
 108                                                       array('nickname' => $this->groups->nickname)),
 109                                      $this->groups->getBestName(),
 110                                      '',
 111                                      $action == 'showgroup' &&
 112                                      $this->action->arg('nickname') == $this->groups->nickname,
 113                                      'nav_timeline_group_'.$this->groups->nickname);
 114             }
 115
 116             if ($cnt > self::TOP_GROUPS) {
 117                 $this->out->menuItem(sprintf('javascript:SN.U.showMoreGroupMenuItems("%s")',
 118                                              common_local_url('AtomPubMembershipFeed', array('profile' => $this->user->id))),
 119                                      _('More ▼'),
 120                                      _('More groups'),
 121                                      false,
 122                                      'nav_timeline_more_group_menu_items');
 123             }
 124
 125             Event::handle('EndGroupsNav', array($this));
 126         }
 127
 128         $this->out->elementEnd('ul');
 129     }
 130 }