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<?php
/**
* This file is part of MediaWiki.
*
* 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
*/
namespace MediaWiki\Revision;
use MediaWiki\Linker\LinkTarget;
use MediaWiki\Page\PageIdentity;
/**
* A SlotRoleHandler for providing basic functionality for undefined slot roles.
*
* This class is intended to be used when encountering slots with a role that used to be defined
* by an extension, but no longer is backed by hany specific handler, since the extension in
* question has been uninstalled. It may also be used for pages imported from another wiki.
*
* @since 1.33
*/
class FallbackSlotRoleHandler extends SlotRoleHandler {
public function __construct( $role ) {
parent::__construct( $role, CONTENT_MODEL_UNKNOWN );
}
/**
* @param LinkTarget $page
*
* @return bool Always false, to prevent undefined slots from being used in new revisions.
*/
public function isAllowedOn( LinkTarget $page ) {
return false;
}
/**
* @param string $model
* @param PageIdentity $page
*
* @return bool Always false, to prevent undefined slots from being used for
* arbitrary content.
*/
public function isAllowedModel( $model, PageIdentity $page ) {
return false;
}
public function getOutputLayoutHints() {
// TODO: should we return [ 'display' => 'none'] here, causing undefined slots
// to be hidden? We'd still need some place to surface the content of such
// slots, see T209923.
return parent::getOutputLayoutHints();
}
}