<?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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * 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' ) );
}
- 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' ) )
+ );
}
function formatResult( $skin, $result ) {
$title = Title::makeTitle( NS_CATEGORY, $result->title );
- return $skin->makeLinkObj( $title, $title->getText() );
+ return $skin->link( $title, $title->getText() );
}
}
-
-/** constructor */
-function wfSpecialUnusedCategories() {
- list( $limit, $offset ) = wfCheckLimits();
- $uc = new UnusedCategoriesPage();
- return $uc->doQuery( $offset, $limit );
-}