3 * Implements Special:Deadenpages
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.
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.
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
21 * @ingroup SpecialPage
24 use MediaWiki\MediaWikiServices
;
27 * A special page that list pages that contain no link to other pages
29 * @ingroup SpecialPage
31 class SpecialDeadendPages
extends PageQueryPage
{
33 function __construct( $name = 'Deadendpages' ) {
34 parent
::__construct( $name );
37 function getPageHeader() {
38 return $this->msg( 'deadendpagestext' )->parseAsBlock();
42 * LEFT JOIN is expensive
46 function isExpensive() {
50 function isSyndicated() {
57 function sortDescending() {
61 function getQueryInfo() {
63 'tables' => [ 'page', 'pagelinks' ],
65 'namespace' => 'page_namespace',
66 'title' => 'page_title',
67 'value' => 'page_title'
71 'page_namespace' => MediaWikiServices
::getInstance()->getNamespaceInfo()->
72 getContentNamespaces(),
73 'page_is_redirect' => 0
84 function getOrderFields() {
85 // For some crazy reason ordering by a constant
87 if ( count( MediaWikiServices
::getInstance()->getNamespaceInfo()->
88 getContentNamespaces() ) > 1
90 return [ 'page_namespace', 'page_title' ];
92 return [ 'page_title' ];
96 protected function getGroupName() {