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SkinComponentRegistry.php
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SkinComponentRegistry.php
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<?php
/**
* 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
*/
namespace MediaWiki\Skin;
use MediaWiki\SpecialPage\SpecialPage;
use RuntimeException;
/**
* @internal for use inside Skin and SkinTemplate classes only
* @unstable
*/
class SkinComponentRegistry {
/** @var SkinComponent[]|null null if not initialized. */
private $components = null;
/** @var SkinComponentRegistryContext */
private $skinContext;
/**
* @param SkinComponentRegistryContext $skinContext
*/
public function __construct( SkinComponentRegistryContext $skinContext ) {
$this->skinContext = $skinContext;
}
/**
* Get a component. This method has side effects in that
* if registered components have been not initialized they
* will be registered as part of this method.
*
* @param string $name
* @throws RuntimeException with unknown name
* @return SkinComponent
*/
public function getComponent( string $name ): SkinComponent {
if ( $this->components === null ) {
$this->registerComponents();
}
$component = $this->components[$name] ?? null;
if ( !$component ) {
throw new RuntimeException( 'Unknown component: ' . $name );
}
return $component;
}
/**
* Return all registered components.
*
* @since 1.38
* @return SkinComponent[]
*/
public function getComponents() {
if ( $this->components === null ) {
$this->registerComponents();
}
return $this->components;
}
/**
* Registers a component for use with the skin.
* Private for now, but in future we may consider making this a
* public method to allow skins to extend component definitions.
*
* @param string $name
* @throws RuntimeException if given an unknown name
*/
private function registerComponent( string $name ) {
$skin = $this->skinContext;
switch ( $name ) {
case 'copyright':
$component = new SkinComponentCopyright(
$skin
);
break;
case 'logos':
$component = new SkinComponentLogo(
$skin->getConfig(),
$skin->getLanguage()
);
break;
case 'search-box':
$component = new SkinComponentSearch(
$skin->getConfig(),
$skin->getMessageLocalizer(),
SpecialPage::newSearchPage( $skin->getUser() )
);
break;
case 'toc':
$component = new SkinComponentTableOfContents( $skin->getOutput() );
break;
case 'last-modified':
$component = new SkinComponentLastModified(
$skin, $skin->getOutput()->getRevisionTimestamp()
);
break;
case 'footer':
$component = new SkinComponentFooter( $skin );
break;
default:
throw new RuntimeException( 'Unknown component: ' . $name );
}
$this->components[$name] = $component;
}
/**
* Registers components used by skin.
*/
private function registerComponents() {
$this->registerComponent( 'copyright' );
$this->registerComponent( 'last-modified' );
$this->registerComponent( 'logos' );
$this->registerComponent( 'toc' );
$this->registerComponent( 'search-box' );
$this->registerComponent( 'footer' );
}
}

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Fri, Jul 3, 21:47 (13 h, 7 m)
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SkinComponentRegistry.php (3 KB)

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