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<?php
abstract class GadgetRepo {
/**
* @var GadgetRepo|null
*/
private static $instance;
/**
* Get the ids of the gadgets provided by this repository
*
* @return string[]
*/
abstract public function getGadgetIds();
/**
* Get the Gadget object for a given gadget id
*
* @param string $id
* @throws InvalidArgumentException
* @return Gadget
*/
abstract public function getGadget( $id );
/**
* Get a list of gadgets sorted by category
*
* @return array array( 'category' => array( 'name' => $gadget ) )
*/
public function getStructuredList() {
$list = array();
foreach ( $this->getGadgetIds() as $id ) {
$gadget = $this->getGadget( $id );
$list[$gadget->getCategory()][$gadget->getName()] = $gadget;
}
return $list;
}
/**
* Get the configured default GadgetRepo. Currently
* this hardcodes MediaWikiGadgetsDefinitionRepo since
* that is the only implementation
*
* @return GadgetRepo
*/
public static function singleton() {
if ( self::$instance === null ) {
self::$instance = new MediaWikiGadgetsDefinitionRepo();
}
return self::$instance;
}
/**
* Should only be used by unit tests
*
* @param GadgetRepo|null $repo
*/
public static function setSingleton( $repo = null ) {
self::$instance = $repo;
}
}
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