lib/grouplist.php

   1 <?php
   2
   3 /**
   4  * StatusNet, the distributed open-source microblogging tool
   5  *
   6  * Widget to show a list of groups
   7  *
   8  * PHP version 5
   9  *
  10  * LICENCE: 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  Public
  24  * @package   StatusNet
  25  * @author    Evan Prodromou <evan@status.net>
  26  * @copyright 2008-2009 StatusNet, Inc.
  27  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  28  * @link      http://status.net/
  29  */
  30
  31 if (!defined('STATUSNET') && !defined('LACONICA')) {
  32     exit(1);
  33 }
  34
  35 require_once INSTALLDIR.'/lib/widget.php';
  36
  37 define('GROUPS_PER_PAGE', 20);
  38
  39 /**
  40  * Widget to show a list of groups
  41  *
  42  * @category Public
  43  * @package  StatusNet
  44  * @author   Evan Prodromou <evan@status.net>
  45  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  46  * @link     http://status.net/
  47  */
  48
  49 class GroupList extends Widget
  50 {
  51     /** Current group, group query. */
  52     var $group = null;
  53     /** Owner of this list */
  54     var $owner = null;
  55     /** Action object using us. */
  56     var $action = null;
  57
  58     function __construct($group, $owner=null, $action=null)
  59     {
  60         parent::__construct($action);
  61
  62         $this->group = $group;
  63         $this->owner = $owner;
  64         $this->action = $action;
  65     }
  66
  67     function show()
  68     {
  69         $this->out->elementStart('ul', 'profiles groups xoxo');
  70
  71         $cnt = 0;
  72
  73         while ($this->group->fetch()) {
  74             $cnt++;
  75             if($cnt > GROUPS_PER_PAGE) {
  76                 break;
  77             }
  78             $this->showgroup();
  79         }
  80
  81         $this->out->elementEnd('ul');
  82
  83         return $cnt;
  84     }
  85
  86     function showGroup()
  87     {
  88         $this->out->elementStart('li', array('class' => 'profile hentry',
  89                                              'id' => 'group-' . $this->group->id));
  90
  91         $user = common_current_user();
  92
  93         $this->out->elementStart('div', 'entity_profile vcard entry-content');
  94
  95         $logo = ($this->group->stream_logo) ?
  96           $this->group->stream_logo : User_group::defaultLogo(AVATAR_STREAM_SIZE);
  97
  98         $this->out->elementStart('a', array('href' => $this->group->homeUrl(),
  99                                             'class' => 'url entry-title',
 100                                             'rel' => 'contact group'));
 101         $this->out->element('img', array('src' => $logo,
 102                                          'class' => 'photo avatar',
 103                                          'width' => AVATAR_STREAM_SIZE,
 104                                          'height' => AVATAR_STREAM_SIZE,
 105                                          'alt' =>
 106                                          ($this->group->fullname) ? $this->group->fullname :
 107                                          $this->group->nickname));
 108         $hasFN = ($this->group->fullname) ? 'nickname' : 'fn org nickname';
 109         $this->out->elementStart('span', $hasFN);
 110         $this->out->raw($this->highlight($this->group->nickname));
 111         $this->out->elementEnd('span');
 112         $this->out->elementEnd('a');
 113
 114         if ($this->group->fullname) {
 115             $this->out->elementStart('span', 'fn org');
 116             $this->out->raw($this->highlight($this->group->fullname));
 117             $this->out->elementEnd('span');
 118         }
 119         if ($this->group->location) {
 120             $this->out->elementStart('span', 'label');
 121             $this->out->raw($this->highlight($this->group->location));
 122             $this->out->elementEnd('span');
 123         }
 124         if ($this->group->homepage) {
 125             $this->out->elementStart('a', array('href' => $this->group->homepage,
 126                                                 'class' => 'url'));
 127             $this->out->raw($this->highlight($this->group->homepage));
 128             $this->out->elementEnd('a');
 129         }
 130         if ($this->group->description) {
 131             $this->out->elementStart('p', 'note');
 132             $this->out->raw($this->highlight($this->group->description));
 133             $this->out->elementEnd('p');
 134         }
 135
 136         # If we're on a list with an owner (subscriptions or subscribers)...
 137
 138         if (!empty($user) && !empty($this->owner) && $user->id == $this->owner->id) {
 139             $this->showOwnerControls();
 140         }
 141
 142         $this->out->elementEnd('div');
 143
 144         if ($user) {
 145             $this->out->elementStart('div', 'entity_actions');
 146             $this->out->elementStart('ul');
 147             $this->out->elementStart('li', 'entity_subscribe');
 148             # XXX: special-case for user looking at own
 149             # subscriptions page
 150             if ($user->isMember($this->group)) {
 151                 $lf = new LeaveForm($this->out, $this->group);
 152                 $lf->show();
 153             } else if (!Group_block::isBlocked($this->group, $user->getProfile())) {
 154                 $jf = new JoinForm($this->out, $this->group);
 155                 $jf->show();
 156             }
 157             $this->out->elementEnd('li');
 158             $this->out->elementEnd('ul');
 159             $this->out->elementEnd('div');
 160         }
 161
 162         $this->out->elementEnd('li');
 163     }
 164
 165     /* Override this in subclasses. */
 166
 167     function showOwnerControls()
 168     {
 169         return;
 170     }
 171
 172     function highlight($text)
 173     {
 174         return htmlspecialchars($text);
 175     }
 176 }