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         function __construct( $name = 'Unusedtemplates' ) {
  34                 parent::__construct( $name );
  35         }
  36
  37         public function isExpensive() {
  38                 return true;
  39         }
  40
  41         function isSyndicated() {
  42                 return false;
  43         }
  44
  45         function sortDescending() {
  46                 return false;
  47         }
  48
  49         public function getQueryInfo() {
  50                 return [
  51                         'tables' => [ 'page', 'templatelinks' ],
  52                         'fields' => [
  53                                 'namespace' => 'page_namespace',
  54                                 'title' => 'page_title',
  55                                 'value' => 'page_title'
  56                         ],
  57                         'conds' => [
  58                                 'page_namespace' => NS_TEMPLATE,
  59                                 'tl_from IS NULL',
  60                                 'page_is_redirect' => 0
  61                         ],
  62                         'join_conds' => [ 'templatelinks' => [
  63                                 'LEFT JOIN', [ 'tl_title = page_title',
  64                                         'tl_namespace = page_namespace' ] ] ]
  65                 ];
  66         }
  67
  68         /**
  69          * @param Skin $skin
  70          * @param object $result Result row
  71          * @return string
  72          */
  73         function formatResult( $skin, $result ) {
  74                 $title = Title::makeTitle( NS_TEMPLATE, $result->title );
  75                 $pageLink = Linker::linkKnown(
  76                         $title,
  77                         null,
  78                         [],
  79                         [ 'redirect' => 'no' ]
  80                 );
  81                 $wlhLink = Linker::linkKnown(
  82                         SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedText() ),
  83                         $this->msg( 'unusedtemplateswlh' )->escaped()
  84                 );
  85
  86                 return $this->getLanguage()->specialList( $pageLink, $wlhLink );
  87         }
  88
  89         function getPageHeader() {
  90                 return $this->msg( 'unusedtemplatestext' )->parseAsBlock();
  91         }
  92
  93         protected function getGroupName() {
  94                 return 'maintenance';
  95         }
  96 }