// // AreaNameTransformer.swift // KCD // // Created by Hori,Masaki on 2017/01/05. // Copyright © 2017年 Hori,Masaki. All rights reserved. // import Cocoa final class AreaNameTransformer: ValueTransformer { override class func transformedValueClass() -> AnyClass { return NSString.self } override func transformedValue(_ value: Any?) -> Any? { guard let id = value as? Int else { return nil } return ServerDataStore.default.mapArea(by: id)?.name } }