includes/specials/SpecialListredirects.php

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