includes/specials/SpecialUnwatchedpages.php

   1 <?php
   2 /**
   3  * Implements Special:Unwatchedpages
   4  *
   5  * Copyright © 2005 Ævar Arnfjörð Bjarmason
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  * @ingroup SpecialPage
  24  * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
  25  */
  26
  27 /**
  28  * A special page that displays a list of pages that are not on anyones watchlist.
  29  *
  30  * @ingroup SpecialPage
  31  */
  32 class UnwatchedpagesPage extends QueryPage {
  33
  34         function __construct( $name = 'Unwatchedpages' ) {
  35                 parent::__construct( $name, 'unwatchedpages' );
  36         }
  37
  38         function isExpensive() {
  39                 return true;
  40         }
  41
  42         function isSyndicated() {
  43                 return false;
  44         }
  45
  46         function getQueryInfo() {
  47                 return array(
  48                         'tables' => array( 'page', 'watchlist' ),
  49                         'fields' => array( 'namespace' => 'page_namespace',
  50                                         'title' => 'page_title',
  51                                         'value' => 'page_namespace' ),
  52                         'conds' => array( 'wl_title IS NULL',
  53                                         'page_is_redirect' => 0,
  54                                         "page_namespace != '" . NS_MEDIAWIKI .
  55                                         "'" ),
  56                         'join_conds' => array( 'watchlist' => array(
  57                                 'LEFT JOIN', array( 'wl_title = page_title',
  58                                         'wl_namespace = page_namespace' ) ) )
  59                 );
  60         }
  61
  62         function sortDescending() {
  63                 return false;
  64         }
  65
  66         function getOrderFields() {
  67                 return array( 'page_namespace', 'page_title' );
  68         }
  69
  70         /**
  71          * @param Skin $skin
  72          * @param object $result Result row
  73          * @return string
  74          */
  75         function formatResult( $skin, $result ) {
  76                 global $wgContLang;
  77
  78                 $nt = Title::makeTitleSafe( $result->namespace, $result->title );
  79                 if ( !$nt ) {
  80                         return Html::element( 'span', array( 'class' => 'mw-invalidtitle' ),
  81                                 Linker::getInvalidTitleDescription( $this->getContext(), $result->namespace, $result->title ) );
  82                 }
  83
  84                 $text = $wgContLang->convert( $nt->getPrefixedText() );
  85
  86                 $plink = Linker::linkKnown( $nt, htmlspecialchars( $text ) );
  87                 $token = WatchAction::getWatchToken( $nt, $this->getUser() );
  88                 $wlink = Linker::linkKnown(
  89                         $nt,
  90                         $this->msg( 'watch' )->escaped(),
  91                         array(),
  92                         array( 'action' => 'watch', 'token' => $token )
  93                 );
  94
  95                 return $this->getLanguage()->specialList( $plink, $wlink );
  96         }
  97
  98         protected function getGroupName() {
  99                 return 'maintenance';
 100         }
 101 }