ResourceLoaderOOUIModule.php

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<?php
trait ResourceLoaderOOUIModule {
    protected static $knownScriptsModules = [ 'core' ];
    protected static $knownStylesModules = [ 'core', 'widgets', 'toolbars', 'windows' ];
    protected static $knownImagesModules = [
        'indicators', 'textures',
        // Extra icons
        'icons-accessibility',
        'icons-alerts',
        'icons-content',
        'icons-editing-advanced',
        'icons-editing-core',
        'icons-editing-list',
        'icons-editing-styling',
        'icons-interactions',
        'icons-layout',
        'icons-location',
        'icons-media',
        'icons-moderation',
        'icons-movement',
        'icons-user',
        'icons-wikimedia',
    ];
 
    // Note that keys must be lowercase, values TitleCase.
    protected static $builtinSkinThemeMap = [
        'default' => 'WikimediaUI',
    ];
 
    // Note that keys must be TitleCase.
    protected static $builtinThemePaths = [
        'WikimediaUI' => [
            'scripts' => 'resources/lib/oojs-ui/oojs-ui-wikimediaui.js',
            'styles' => 'resources/lib/oojs-ui/oojs-ui-{module}-wikimediaui.css',
            'images' => 'resources/lib/oojs-ui/themes/wikimediaui/{module}.json',
        ],
        'Apex' => [
            'scripts' => 'resources/lib/oojs-ui/oojs-ui-apex.js',
            'styles' => 'resources/lib/oojs-ui/oojs-ui-{module}-apex.css',
            'images' => 'resources/lib/oojs-ui/themes/apex/{module}.json',
        ],
    ];
 
    public static function getSkinThemeMap() {
        $themeMap = self::$builtinSkinThemeMap;
        $themeMap += ExtensionRegistry::getInstance()->getAttribute( 'SkinOOUIThemes' );
        return $themeMap;
    }
 
    protected static function getThemePaths() {
        $themePaths = self::$builtinThemePaths;
        return $themePaths;
    }
 
    protected function getThemePath( $theme, $kind, $module ) {
        $paths = self::getThemePaths();
        $path = $paths[ $theme ][ $kind ];
        $path = str_replace( '{module}', $module, $path );
        return $path;
    }
 
    protected function getThemeScriptsPath( $theme, $module ) {
        if ( !in_array( $module, self::$knownScriptsModules ) ) {
            throw new InvalidArgumentException( "Invalid OOUI scripts module '$module'" );
        }
        return $this->getThemePath( $theme, 'scripts', $module );
    }
 
    protected function getThemeStylesPath( $theme, $module ) {
        if ( !in_array( $module, self::$knownStylesModules ) ) {
            throw new InvalidArgumentException( "Invalid OOUI styles module '$module'" );
        }
        return $this->getThemePath( $theme, 'styles', $module );
    }
 
    protected function getThemeImagesPath( $theme, $module ) {
        if ( !in_array( $module, self::$knownImagesModules ) ) {
            throw new InvalidArgumentException( "Invalid OOUI images module '$module'" );
        }
        return $this->getThemePath( $theme, 'images', $module );
    }
}