includes/specials/SpecialListredirects.php

   1 <?php
   2 /**
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  * http://www.gnu.org/copyleft/gpl.html
  18  */
  19
  20 /**
  21  * @file
  22  * @ingroup SpecialPage
  23  *
  24  * @author Rob Church <robchur@gmail.com>
  25  * @copyright © 2006 Rob Church
  26  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
  27  */
  28
  29 /**
  30  * Special:Listredirects - Lists all the redirects on the wiki.
  31  * @ingroup SpecialPage
  32  */
  33 class ListredirectsPage extends QueryPage {
  34
  35         function getName() { return( 'Listredirects' ); }
  36         function isExpensive() { return( true ); }
  37         function isSyndicated() { return( false ); }
  38         function sortDescending() { return( false ); }
  39
  40         function getSQL() {
  41                 $dbr = wfGetDB( DB_SLAVE );
  42                 $page = $dbr->tableName( 'page' );
  43                 $sql = "SELECT 'Listredirects' AS type, page_title AS title, page_namespace AS namespace,
  44                         0 AS value FROM $page WHERE page_is_redirect = 1";
  45                 return( $sql );
  46         }
  47
  48         function formatResult( $skin, $result ) {
  49                 global $wgContLang;
  50
  51                 # Make a link to the redirect itself
  52                 $rd_title = Title::makeTitle( $result->namespace, $result->title );
  53                 $rd_link = $skin->link(
  54                         $rd_title,
  55                         null,
  56                         array(),
  57                         array( 'redirect' => 'no' )
  58                 );
  59
  60                 # Find out where the redirect leads
  61                 $revision = Revision::newFromTitle( $rd_title );
  62                 if( $revision ) {
  63                         # Make a link to the destination page
  64                         $target = Title::newFromRedirect( $revision->getText() );
  65                         if( $target ) {
  66                                 $arr = $wgContLang->getArrow() . $wgContLang->getDirMark();
  67                                 $targetLink = $skin->link( $target );
  68                                 return "$rd_link $arr $targetLink";
  69                         } else {
  70                                 return "<del>$rd_link</del>";
  71                         }
  72                 } else {
  73                         return "<del>$rd_link</del>";
  74                 }
  75         }
  76 }
  77
  78 function wfSpecialListredirects() {
  79         list( $limit, $offset ) = wfCheckLimits();
  80         $lrp = new ListredirectsPage();
  81         $lrp->doQuery( $offset, $limit );
  82 }