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| 1 | +// |
| 2 | +// Localization.swift |
| 3 | +// Floreboard |
| 4 | +// |
| 5 | +// Migrated to String Catalog (.xcstrings) backed localization. |
| 6 | +// |
| 7 | + |
| 8 | +import Combine |
| 9 | +import Foundation |
| 10 | + |
| 11 | +enum Language: String, CaseIterable, Identifiable { |
| 12 | + case en = "en" |
| 13 | + case zh = "zh" |
| 14 | + |
| 15 | + var id: String { rawValue } |
| 16 | + |
| 17 | + var displayName: String { |
| 18 | + switch self { |
| 19 | + case .en: return "English" |
| 20 | + case .zh: return "简体中文" |
| 21 | + } |
| 22 | + } |
| 23 | + |
| 24 | + /// The lproj directory name used by Apple localization |
| 25 | + var lprojName: String { |
| 26 | + switch self { |
| 27 | + case .en: return "en" |
| 28 | + case .zh: return "zh-Hans" |
| 29 | + } |
| 30 | + } |
| 31 | +} |
| 32 | + |
| 33 | +@MainActor |
| 34 | +class LocalizationManager: ObservableObject { |
| 35 | + static let shared = LocalizationManager() |
| 36 | + |
| 37 | + @Published var currentLanguage: Language { |
| 38 | + didSet { |
| 39 | + UserDefaults.standard.set(currentLanguage.rawValue, forKey: "app_language") |
| 40 | + updateBundle() |
| 41 | + } |
| 42 | + } |
| 43 | + |
| 44 | + private(set) var localizedBundle: Bundle = .main |
| 45 | + |
| 46 | + private init() { |
| 47 | + if let saved = UserDefaults.standard.string(forKey: "app_language"), |
| 48 | + let lang = Language(rawValue: saved) |
| 49 | + { |
| 50 | + self.currentLanguage = lang |
| 51 | + } else { |
| 52 | + // Default to device language if matches, else en |
| 53 | + let deviceLang = Locale.current.language.languageCode?.identifier ?? "en" |
| 54 | + self.currentLanguage = deviceLang.contains("zh") ? .zh : .en |
| 55 | + } |
| 56 | + updateBundle() |
| 57 | + } |
| 58 | + |
| 59 | + private func updateBundle() { |
| 60 | + if let path = Bundle.main.path(forResource: currentLanguage.lprojName, ofType: "lproj"), |
| 61 | + let bundle = Bundle(path: path) |
| 62 | + { |
| 63 | + localizedBundle = bundle |
| 64 | + } else { |
| 65 | + localizedBundle = .main |
| 66 | + } |
| 67 | + } |
| 68 | + |
| 69 | + func t(_ key: String, _ args: [String: String] = [:]) -> String { |
| 70 | + var value = localizedBundle.localizedString(forKey: key, value: key, table: nil) |
| 71 | + for (k, v) in args { |
| 72 | + value = value.replacingOccurrences(of: "{{\(k)}}", with: v) |
| 73 | + } |
| 74 | + return value |
| 75 | + } |
| 76 | +} |
| 77 | + |
| 78 | +// Helper for easier access in Views |
| 79 | +// Usage: Tx.t("key") |
| 80 | +struct Tx { |
| 81 | + static func t(_ key: String, _ args: [String: String] = [:]) -> String { |
| 82 | + LocalizationManager.shared.t(key, args) |
| 83 | + } |
| 84 | +} |
| 85 | + |
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