<?php
/**
+ * 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
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
- */
-
-/**
+ *
* @file
* @ingroup SpecialPage
*/
function isExpensive() { return true; }
- function getName() {
- return 'Unusedcategories';
+ function __construct( $name = 'Unusedcategories' ) {
+ parent::__construct( $name );
}
function getPageHeader() {
- return wfMsgExt( 'unusedcategoriestext', array( 'parse' ) );
+ return $this->msg( 'unusedcategoriestext' )->parseAsBlock();
}
- function getSQL() {
- $NScat = NS_CATEGORY;
- $dbr = wfGetDB( DB_SLAVE );
- list( $categorylinks, $page ) = $dbr->tableNamesN( 'categorylinks', 'page' );
- return "SELECT 'Unusedcategories' as type,
- {$NScat} as namespace, page_title as title, page_title as value
- FROM $page
- LEFT JOIN $categorylinks ON page_title=cl_to
- WHERE cl_from IS NULL
- AND page_namespace = {$NScat}
- AND page_is_redirect = 0";
+ function getQueryInfo() {
+ return array (
+ 'tables' => array ( 'page', 'categorylinks' ),
+ 'fields' => array ( 'page_namespace AS namespace',
+ 'page_title AS title',
+ 'page_title AS value' ),
+ 'conds' => array ( 'cl_from IS NULL',
+ 'page_namespace' => NS_CATEGORY,
+ 'page_is_redirect' => 0 ),
+ 'join_conds' => array ( 'categorylinks' => array (
+ 'LEFT JOIN', 'cl_to = page_title' ) )
+ );
+ }
+
+ /**
+ * A should come before Z (bug 30907)
+ */
+ function sortDescending() {
+ return false;
}
function formatResult( $skin, $result ) {
$title = Title::makeTitle( NS_CATEGORY, $result->title );
- return $skin->link( $title, $title->getText() );
+ return Linker::link( $title, htmlspecialchars( $title->getText() ) );
}
}
-
-/** constructor */
-function wfSpecialUnusedCategories() {
- list( $limit, $offset ) = wfCheckLimits();
- $uc = new UnusedCategoriesPage();
- return $uc->doQuery( $offset, $limit );
-}