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1 | <?php |
2 | /** |
3 | * This file is part of MediaWiki. |
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 | */ |
22 | |
23 | namespace MediaWiki\Revision; |
24 | |
25 | use MediaWiki\Linker\LinkTarget; |
26 | use MediaWiki\Page\PageIdentity; |
27 | |
28 | /** |
29 | * A SlotRoleHandler for providing basic functionality for undefined slot roles. |
30 | * |
31 | * This class is intended to be used when encountering slots with a role that used to be defined |
32 | * by an extension, but no longer is backed by hany specific handler, since the extension in |
33 | * question has been uninstalled. It may also be used for pages imported from another wiki. |
34 | * |
35 | * @since 1.33 |
36 | */ |
37 | class FallbackSlotRoleHandler extends SlotRoleHandler { |
38 | |
39 | public function __construct( $role ) { |
40 | parent::__construct( $role, CONTENT_MODEL_UNKNOWN ); |
41 | } |
42 | |
43 | /** |
44 | * @param LinkTarget $page |
45 | * |
46 | * @return bool Always false, to prevent undefined slots from being used in new revisions. |
47 | */ |
48 | public function isAllowedOn( LinkTarget $page ) { |
49 | return false; |
50 | } |
51 | |
52 | /** |
53 | * @param string $model |
54 | * @param PageIdentity $page |
55 | * |
56 | * @return bool Always false, to prevent undefined slots from being used for |
57 | * arbitrary content. |
58 | */ |
59 | public function isAllowedModel( $model, PageIdentity $page ) { |
60 | return false; |
61 | } |
62 | |
63 | public function getOutputLayoutHints() { |
64 | // TODO: should we return [ 'display' => 'none'] here, causing undefined slots |
65 | // to be hidden? We'd still need some place to surface the content of such |
66 | // slots, see T209923. |
67 | |
68 | return parent::getOutputLayoutHints(); |
69 | } |
70 | |
71 | } |