mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Gadgets
synced 2024-12-21 03:02:41 +00:00
420 lines
9.9 KiB
PHP
420 lines
9.9 KiB
PHP
<?php
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/**
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* Gadgets extension - lets users select custom javascript gadgets
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*
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* For more info see https://www.mediawiki.org/wiki/Extension:Gadgets
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*
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* @file
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* @ingroup Extensions
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* @author Daniel Kinzler, brightbyte.de
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* @copyright © 2007 Daniel Kinzler
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* @license GPL-2.0-or-later
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*/
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namespace MediaWiki\Extension\Gadgets;
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use InvalidArgumentException;
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use MediaWiki\Extension\Gadgets\Content\GadgetDefinitionContent;
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use MediaWiki\MediaWikiServices;
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use MediaWiki\Permissions\Authority;
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use MediaWiki\User\UserIdentity;
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use ResourceLoader;
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use Skin;
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/**
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* Wrapper for one gadget.
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*/
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class Gadget {
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/**
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* Increment this when changing class structure
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*/
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public const GADGET_CLASS_VERSION = 13;
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public const CACHE_TTL = 86400;
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/** @var string[] */
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private $scripts = [];
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/** @var string[] */
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private $styles = [];
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/** @var string[] */
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private $datas = [];
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/** @var string[] */
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private $dependencies = [];
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/** @var string[] */
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private $peers = [];
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/** @var string[] */
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private $messages = [];
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/** @var string|null */
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private $name;
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/** @var string|null */
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private $definition;
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/** @var bool */
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private $resourceLoaded = false;
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/** @var string[] */
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private $requiredRights = [];
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/** @var string[] */
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private $requiredActions = [];
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/** @var string[] */
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private $requiredSkins = [];
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/** @var string[] */
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private $targets = [ 'desktop' ];
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/** @var bool */
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private $onByDefault = false;
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/** @var bool */
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private $hidden = false;
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/** @var bool */
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private $package = false;
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/** @var string */
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private $type = '';
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/** @var string|null */
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private $category;
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/** @var bool */
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private $supportsUrlLoad = false;
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public function __construct( array $options ) {
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foreach ( $options as $member => $option ) {
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switch ( $member ) {
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case 'scripts':
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case 'styles':
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case 'datas':
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case 'dependencies':
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case 'peers':
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case 'messages':
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case 'name':
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case 'definition':
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case 'resourceLoaded':
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case 'requiredRights':
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case 'requiredActions':
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case 'requiredSkins':
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case 'targets':
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case 'onByDefault':
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case 'type':
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case 'hidden':
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case 'package':
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case 'category':
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case 'supportsUrlLoad':
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$this->{$member} = $option;
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break;
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default:
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throw new InvalidArgumentException( "Unrecognized '$member' parameter" );
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}
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}
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}
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/**
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* Create a object based on the metadata in a GadgetDefinitionContent object
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*
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* @param string $id
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* @param GadgetDefinitionContent $content
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* @return Gadget
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*/
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public static function newFromDefinitionContent( $id, GadgetDefinitionContent $content ) {
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$data = $content->getAssocArray();
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$prefixGadgetNs = static function ( $page ) {
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return 'Gadget:' . $page;
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};
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$info = [
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'name' => $id,
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'resourceLoaded' => true,
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'requiredRights' => $data['settings']['rights'],
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'onByDefault' => $data['settings']['default'],
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'package' => $data['settings']['package'],
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'hidden' => $data['settings']['hidden'],
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'requiredActions' => $data['settings']['actions'],
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'requiredSkins' => $data['settings']['skins'],
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'category' => $data['settings']['category'],
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'supportsUrlLoad' => $data['settings']['supportsUrlLoad'],
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'scripts' => array_map( $prefixGadgetNs, $data['module']['scripts'] ),
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'styles' => array_map( $prefixGadgetNs, $data['module']['styles'] ),
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'datas' => array_map( $prefixGadgetNs, $data['module']['datas'] ),
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'dependencies' => $data['module']['dependencies'],
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'peers' => $data['module']['peers'],
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'messages' => $data['module']['messages'],
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'type' => $data['module']['type'],
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];
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return new self( $info );
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}
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/**
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* Get a placeholder object to use if a gadget doesn't exist
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*
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* @param string $id name
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* @return Gadget
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*/
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public static function newEmptyGadget( $id ) {
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return new self( [ 'name' => $id ] );
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}
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/**
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* Whether the provided gadget id is valid
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*
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* @param string $id
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* @return bool
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*/
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public static function isValidGadgetID( $id ) {
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return strlen( $id ) > 0 && ResourceLoader::isValidModuleName( self::getModuleName( $id ) );
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}
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/**
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* @return string Gadget name
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*/
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public function getName() {
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return $this->name;
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}
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/**
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* @return string Message key
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*/
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public function getDescriptionMessageKey() {
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return "gadget-{$this->getName()}";
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}
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/**
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* @return string Gadget description parsed into HTML
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*/
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public function getDescription() {
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return wfMessage( $this->getDescriptionMessageKey() )->parse();
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}
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/**
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* @return string Wikitext of gadget description
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*/
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public function getRawDescription() {
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return wfMessage( $this->getDescriptionMessageKey() )->plain();
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}
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/**
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* @return string Name of category (aka section) our gadget belongs to. Empty string if none.
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*/
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public function getCategory() {
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return $this->category;
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}
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/**
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* @param string $id Name of gadget
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* @return string Name of ResourceLoader module for the gadget
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*/
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public static function getModuleName( $id ) {
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return "ext.gadget.{$id}";
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}
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/**
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* Checks whether this gadget is enabled for given user
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*
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* @param UserIdentity $user user to check against
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* @return bool
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*/
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public function isEnabled( UserIdentity $user ) {
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$userOptionsLookup = MediaWikiServices::getInstance()->getUserOptionsLookup();
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return (bool)$userOptionsLookup->getOption( $user, "gadget-{$this->name}", $this->onByDefault );
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}
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/**
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* Checks whether given user has permissions to use this gadget
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*
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* @param Authority $user The user to check against
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* @return bool
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*/
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public function isAllowed( Authority $user ) {
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if ( count( $this->requiredRights ) ) {
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return $user->isAllowedAll( ...$this->requiredRights );
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}
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return true;
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}
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/**
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* @return bool Whether this gadget is on by default for everyone
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* (but can be disabled in preferences)
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*/
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public function isOnByDefault() {
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return $this->onByDefault;
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}
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/**
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* @return bool
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*/
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public function isHidden() {
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return $this->hidden;
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}
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/**
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* @return bool
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*/
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public function isPackaged(): bool {
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// A packaged gadget needs to have a main script, so there must be at least one script
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return $this->package && $this->supportsResourceLoader() && count( $this->scripts ) > 0;
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}
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/**
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* @param string $action The action name
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* @return bool
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*/
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public function isActionSupported( string $action ): bool {
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if ( count( $this->requiredActions ) === 0 ) {
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return true;
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}
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// Don't require specifying 'submit' action in addition to 'edit'
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if ( $action == 'submit' ) {
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$action = 'edit';
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}
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return in_array( $action, $this->requiredActions );
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}
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/**
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* Check if this gadget is compatible with a skin
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*
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* @param Skin $skin The skin to check against
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* @return bool
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*/
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public function isSkinSupported( Skin $skin ) {
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return ( count( $this->requiredSkins ) === 0
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|| in_array( $skin->getSkinName(), $this->requiredSkins )
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);
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}
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/**
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* @return bool Whether the gadget can be loaded with `?withgadget` query parameter.
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*/
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public function supportsUrlLoad() {
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return $this->supportsUrlLoad;
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}
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/**
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* @return bool Whether all of this gadget's JS components support ResourceLoader
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*/
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public function supportsResourceLoader() {
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return $this->resourceLoaded;
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}
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/**
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* @return bool Whether this gadget has resources that can be loaded via ResourceLoader
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*/
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public function hasModule() {
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return (
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count( $this->styles ) + ( $this->supportsResourceLoader() ? count( $this->scripts ) : 0 )
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) > 0;
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}
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/**
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* @return string Definition for this gadget from MediaWiki:gadgets-definition
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*/
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public function getDefinition() {
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return $this->definition;
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}
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/**
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* @return array Array of pages with JS (including namespace)
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*/
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public function getScripts() {
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return $this->scripts;
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}
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/**
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* @return array Array of pages with CSS (including namespace)
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*/
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public function getStyles() {
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return $this->styles;
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}
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/**
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* @return array Array of pages with JSON (including namespace)
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*/
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public function getJSONs(): array {
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return $this->isPackaged() ? $this->datas : [];
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}
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/**
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* @return array Array of all of this gadget's resources
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*/
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public function getScriptsAndStyles() {
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return array_merge( $this->scripts, $this->styles, $this->getJSONs() );
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}
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/**
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* @return array
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*/
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public function getTargets() {
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return $this->targets;
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}
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/**
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* Returns list of scripts that don't support ResourceLoader
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* @return string[]
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*/
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public function getLegacyScripts() {
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if ( $this->supportsResourceLoader() ) {
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return [];
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}
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return $this->scripts;
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}
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/**
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* Returns names of resources this gadget depends on
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* @return string[]
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*/
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public function getDependencies() {
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return $this->dependencies;
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}
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/**
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* Get list of extra modules that should be loaded when this gadget is enabled
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*
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* Primary use case is to allow a Gadget that includes JavaScript to also load
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* a (usually, hidden) styles-type module to be applied to the page. Dependencies
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* don't work for this use case as those would not be part of page rendering.
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*
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* @return string[]
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*/
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public function getPeers() {
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return $this->peers;
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}
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/**
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* @return array
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*/
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public function getMessages() {
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return $this->messages;
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}
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/**
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* Returns array of permissions required by this gadget
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* @return string[]
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*/
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public function getRequiredRights() {
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return $this->requiredRights;
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}
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/**
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* Returns array of page actions on which the gadget runs
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* @return string[]
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*/
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public function getRequiredActions() {
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return $this->requiredActions;
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}
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/**
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* Returns array of skins where this gadget works
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* @return string[]
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*/
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public function getRequiredSkins() {
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return $this->requiredSkins;
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}
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/**
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* Returns the load type of this Gadget's ResourceLoader module
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* @return string 'styles' or 'general'
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*/
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public function getType() {
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if ( $this->type === 'styles' || $this->type === 'general' ) {
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return $this->type;
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}
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// Similar to ResourceLoaderWikiModule default
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if ( $this->styles && !$this->scripts && !$this->dependencies ) {
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return 'styles';
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}
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return 'general';
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}
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}
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