MediaWiki PHP Cross Reference Collaborative Wikis

Source: /includes/specials/SpecialUnusedcategories.php - 76 lines - 2031 bytes - Summary - Text - Print

Description: Implements Special:Unusedcategories This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

   1  <?php
   2  /**
   3   * Implements Special:Unusedcategories
   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   */
  23  
  24  /**
  25   * @ingroup SpecialPage
  26   */
  27  class UnusedCategoriesPage extends QueryPage {
  28  
  29  	function isExpensive() {
  30          return true;
  31      }
  32  
  33  	function __construct( $name = 'Unusedcategories' ) {
  34          parent::__construct( $name );
  35      }
  36  
  37  	function getPageHeader() {
  38          return $this->msg( 'unusedcategoriestext' )->parseAsBlock();
  39      }
  40  
  41  	function getQueryInfo() {
  42          return array(
  43              'tables' => array( 'page', 'categorylinks' ),
  44              'fields' => array( 'namespace' => 'page_namespace',
  45                      'title' => 'page_title',
  46                      'value' => 'page_title' ),
  47              'conds' => array( 'cl_from IS NULL',
  48                      'page_namespace' => NS_CATEGORY,
  49                      'page_is_redirect' => 0 ),
  50              'join_conds' => array( 'categorylinks' => array(
  51                      'LEFT JOIN', 'cl_to = page_title' ) )
  52          );
  53      }
  54  
  55      /**
  56       * A should come before Z (bug 30907)
  57       * @return bool
  58       */
  59  	function sortDescending() {
  60          return false;
  61      }
  62  
  63      /**
  64       * @param Skin $skin
  65       * @param object $result Result row
  66       * @return string
  67       */
  68  	function formatResult( $skin, $result ) {
  69          $title = Title::makeTitle( NS_CATEGORY, $result->title );
  70          return Linker::link( $title, htmlspecialchars( $title->getText() ) );
  71      }
  72  
  73  	protected function getGroupName() {
  74          return 'maintenance';
  75      }
  76  }

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