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1<?php
2/**
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
16 * http://www.gnu.org/copyleft/gpl.html
17 *
18 * @file
19 */
20
21namespace MediaWiki\Specials;
22
23use MediaWiki\Cache\LinkBatchFactory;
24use MediaWiki\Html\Html;
25use MediaWiki\Pager\CategoryPager;
26use MediaWiki\SpecialPage\SpecialPage;
27use Wikimedia\Rdbms\IConnectionProvider;
28
29/**
30 * Implements Special:Categories
31 *
32 * @ingroup SpecialPage
33 */
34class SpecialCategories extends SpecialPage {
35
36    private LinkBatchFactory $linkBatchFactory;
37    private IConnectionProvider $dbProvider;
38
39    public function __construct(
40        LinkBatchFactory $linkBatchFactory,
41        IConnectionProvider $dbProvider
42    ) {
43        parent::__construct( 'Categories' );
44        $this->linkBatchFactory = $linkBatchFactory;
45        $this->dbProvider = $dbProvider;
46    }
47
48    public function execute( $par ) {
49        $this->setHeaders();
50        $this->outputHeader();
51        $this->addHelpLink( 'Help:Categories' );
52        $this->getOutput()->getMetadata()->setPreventClickjacking( false );
53
54        $from = $this->getRequest()->getText( 'from', $par ?? '' );
55
56        $cap = new CategoryPager(
57            $this->getContext(),
58            $this->linkBatchFactory,
59            $this->getLinkRenderer(),
60            $this->dbProvider,
61            $from
62        );
63        $cap->doQuery();
64
65        $this->getOutput()->addHTML(
66            Html::openElement( 'div', [ 'class' => 'mw-spcontent' ] ) .
67                $this->msg( 'categoriespagetext', $cap->getNumRows() )->parseAsBlock() .
68                $cap->getStartForm( $from ) .
69                $cap->getNavigationBar() .
70                '<ul>' . $cap->getBody() . '</ul>' .
71                $cap->getNavigationBar() .
72                Html::closeElement( 'div' )
73        );
74    }
75
76    protected function getGroupName() {
77        return 'pages';
78    }
79}
80
81/** @deprecated class alias since 1.41 */
82class_alias( SpecialCategories::class, 'SpecialCategories' );