includes/specials/SpecialUnusedtemplates.php

   1 <?php
   2 /**
   3  * Implements Special:Unusedtemplates
   4  *
   5  * Copyright © 2006 Rob Church
   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 Rob Church <robchur@gmail.com>
  25  */
  26
  27 /**
  28  * A special page that lists unused templates
  29  *
  30  * @ingroup SpecialPage
  31  */
  32 class UnusedtemplatesPage extends QueryPage {
  33
  34         function __construct( $name = 'Unusedtemplates' ) {
  35                 parent::__construct( $name );
  36         }
  37
  38         function isExpensive() {
  39                 return true;
  40         }
  41
  42         function isSyndicated() {
  43                 return false;
  44         }
  45
  46         function sortDescending() {
  47                 return false;
  48         }
  49
  50         function getQueryInfo() {
  51                 return array(
  52                         'tables' => array( 'page', 'templatelinks' ),
  53                         'fields' => array( 'namespace' => 'page_namespace',
  54                                         'title' => 'page_title',
  55                                         'value' => 'page_title' ),
  56                         'conds' => array( 'page_namespace' => NS_TEMPLATE,
  57                                         'tl_from IS NULL',
  58                                         'page_is_redirect' => 0 ),
  59                         'join_conds' => array( 'templatelinks' => array(
  60                                 'LEFT JOIN', array( 'tl_title = page_title',
  61                                         'tl_namespace = page_namespace' ) ) )
  62                 );
  63         }
  64
  65         /**
  66          * @param Skin $skin
  67          * @param object $result Result row
  68          * @return string
  69          */
  70         function formatResult( $skin, $result ) {
  71                 $title = Title::makeTitle( NS_TEMPLATE, $result->title );
  72                 $pageLink = Linker::linkKnown(
  73                         $title,
  74                         null,
  75                         array(),
  76                         array( 'redirect' => 'no' )
  77                 );
  78                 $wlhLink = Linker::linkKnown(
  79                         SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedText() ),
  80                         $this->msg( 'unusedtemplateswlh' )->escaped()
  81                 );
  82                 return $this->getLanguage()->specialList( $pageLink, $wlhLink );
  83         }
  84
  85         function getPageHeader() {
  86                 return $this->msg( 'unusedtemplatestext' )->parseAsBlock();
  87         }
  88
  89         protected function getGroupName() {
  90                 return 'maintenance';
  91         }
  92 }