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2 Commits

Author SHA1 Message Date
insleker 0c71399867 feat: support several language arb files 2025-08-30 11:47:30 +08:00
insleker b2d96e466e chore: improve i18n development experience 2025-08-30 03:28:05 +08:00
27 changed files with 581 additions and 1100 deletions

2
.gitignore vendored
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@ -123,3 +123,5 @@ docs/.*
.vscode/launch.json
devtools_options.yaml
test/features/*_test.dart
**/app_localizations*.dart
.env

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@ -1,6 +1,12 @@
{
"recommendations": [
"yzhang.markdown-all-in-one",
"alexkrechik.cucumberautocomplete"
"alexkrechik.cucumberautocomplete",
"google.arb-editor",
"dart-code.flutter",
"lsaudon.l10nization", // quick translation gen
"oke331.flutter-l10n-helper", // show arb string
"gabbygreat.flutter-l10n-checker", // detect hard-coded strings
// "joaopinacio.translate-me"
]
}

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@ -10,6 +10,7 @@ checkout [`docs/FRs.md`](docs/FRs.md)
```bash
# flutter clean
# arb_translate
flutter pub get
# generate gherkin test
flutter pub run build_runner build --delete-conflicting-outputs

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@ -3,4 +3,3 @@ template-arb-file: app_en.arb
output-class: AppLocalizations
output-localization-file: app_localizations.dart
nullable-getter: false
untranslated-messages-file: build/l10n_missing.txt

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@ -1,5 +1,6 @@
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_localized_locales/flutter_localized_locales.dart';
import 'package:pdf_signature/l10n/app_localizations.dart';
import 'package:pdf_signature/ui/features/pdf/widgets/pdf_screen.dart';
import 'ui/features/preferences/providers.dart';
@ -55,7 +56,10 @@ class MyApp extends StatelessWidget {
themeMode: themeMode,
locale: appLocale,
supportedLocales: AppLocalizations.supportedLocales,
localizationsDelegates: AppLocalizations.localizationsDelegates,
localizationsDelegates: [
...AppLocalizations.localizationsDelegates,
LocaleNamesLocalizationsDelegate(),
],
home: const PdfSignatureHomePage(),
);
},

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@ -49,9 +49,7 @@ class PdfState {
signedPage: signedPage ?? this.signedPage,
placementsByPage: placementsByPage ?? this.placementsByPage,
selectedPlacementIndex:
selectedPlacementIndex == null
? this.selectedPlacementIndex
: selectedPlacementIndex,
selectedPlacementIndex ?? this.selectedPlacementIndex,
);
}

39
lib/l10n/app_de.arb Normal file
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@ -0,0 +1,39 @@
{
"appTitle": "PDF-Signatur",
"backgroundRemoval": "Hintergrund entfernen",
"brightness": "Helligkeit",
"clear": "Löschen",
"confirm": "Bestätigen",
"contrast": "Kontrast",
"createNewSignature": "Neue Signatur erstellen",
"delete": "Löschen",
"downloadStarted": "Download gestartet",
"dpi": "DPI:",
"drawSignature": "Signatur zeichnen",
"errorWithMessage": "Fehler: {message}",
"exportingPleaseWait": "Exportiere… Bitte warten",
"failedToGeneratePdf": "PDF konnte nicht generiert werden",
"failedToSavePdf": "PDF konnte nicht gespeichert werden",
"goTo": "Gehe zu:",
"invalidOrUnsupportedFile": "Ungültige oder nicht unterstützte Datei",
"language": "Sprache",
"loadSignatureFromFile": "Signatur aus Datei laden",
"lockAspectRatio": "Seitenverhältnis sperren",
"longPressOrRightClickTheSignatureToConfirmOrDelete": "Drücken Sie lange oder klicken Sie mit der rechten Maustaste auf die Signatur, um sie zu bestätigen oder zu löschen.",
"next": "Weiter",
"noPdfLoaded": "Keine PDF-Datei geladen",
"nothingToSaveYet": "Noch nichts zu speichern",
"openPdf": "PDF öffnen...",
"pageInfo": "Seite {current}/{total}",
"prev": "Vorherige",
"resetToDefaults": "Auf Standardwerte zurücksetzen",
"savedWithPath": "Gespeichert: {path}",
"saveSignedPdf": "Signiertes PDF speichern",
"settings": "Einstellungen",
"signature": "Signatur",
"theme": "Design",
"themeDark": "Dunkel",
"themeLight": "Hell",
"themeSystem": "System",
"undo": "Rückgängig"
}

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@ -1,59 +1,101 @@
{
"@@locale": "en",
"appTitle": "PDF Signature",
"@appTitle": {},
"backgroundRemoval": "Background removal",
"@backgroundRemoval": {},
"brightness": "Brightness",
"@brightness": {},
"clear": "Clear",
"@clear": {},
"confirm": "Confirm",
"@confirm": {},
"contrast": "Contrast",
"@contrast": {},
"createNewSignature": "Create new signature",
"@createNewSignature": {},
"delete": "Delete",
"@delete": {},
"downloadStarted": "Download started",
"@downloadStarted": {},
"dpi": "DPI:",
"@dpi": {},
"drawSignature": "Draw Signature",
"@drawSignature": {},
"errorWithMessage": "Error: {message}",
"@errorWithMessage": {
"description": "Generic error text with message",
"placeholders": {"message": {"type": "String"}}
"placeholders": {
"message": {
"type": "String"
}
}
},
"settings": "Settings",
"theme": "Theme",
"themeLight": "Light",
"themeDark": "Dark",
"themeSystem": "System",
"exportingPleaseWait": "Exporting... Please wait",
"@exportingPleaseWait": {},
"failedToGeneratePdf": "Failed to generate PDF",
"@failedToGeneratePdf": {},
"failedToSavePdf": "Failed to save PDF",
"@failedToSavePdf": {},
"goTo": "Go to:",
"@goTo": {},
"invalidOrUnsupportedFile": "Invalid or unsupported file",
"@invalidOrUnsupportedFile": {},
"language": "Language",
"languageEnglish": "English",
"languageChineseTraditional": "Traditional Chinese",
"languageSpanish": "Spanish",
"resetToDefaults": "Reset to defaults",
"openPdf": "Open PDF...",
"prev": "Prev",
"@language": {},
"loadSignatureFromFile": "Load Signature from file",
"@loadSignatureFromFile": {},
"lockAspectRatio": "Lock aspect ratio",
"@lockAspectRatio": {},
"longPressOrRightClickTheSignatureToConfirmOrDelete": "Long-press or right-click the signature to Confirm or Delete.",
"@longPressOrRightClickTheSignatureToConfirmOrDelete": {},
"next": "Next",
"@next": {},
"noPdfLoaded": "No PDF loaded",
"@noPdfLoaded": {},
"nothingToSaveYet": "Nothing to save yet",
"@nothingToSaveYet": {},
"openPdf": "Open PDF...",
"@openPdf": {},
"pageInfo": "Page {current}/{total}",
"@pageInfo": {
"description": "Label showing current page and total",
"placeholders": {
"current": {"type": "int"},
"total": {"type": "int"}
"current": {
"type": "int"
},
"total": {
"type": "int"
}
}
},
"goTo": "Go to:",
"dpi": "DPI:",
"saveSignedPdf": "Save Signed PDF",
"loadSignatureFromFile": "Load Signature from file",
"drawSignature": "Draw Signature",
"noPdfLoaded": "No PDF loaded",
"signature": "Signature",
"lockAspectRatio": "Lock aspect ratio",
"backgroundRemoval": "Background removal",
"contrast": "Contrast",
"brightness": "Brightness",
"exportingPleaseWait": "Exporting... Please wait",
"nothingToSaveYet": "Nothing to save yet",
"prev": "Prev",
"@prev": {},
"resetToDefaults": "Reset to defaults",
"@resetToDefaults": {},
"savedWithPath": "Saved: {path}",
"@savedWithPath": {
"description": "Snackbar text showing where file saved",
"placeholders": {"path": {"type": "String"}}
"placeholders": {
"path": {
"type": "String"
}
}
},
"failedToSavePdf": "Failed to save PDF",
"downloadStarted": "Download started",
"failedToGeneratePdf": "Failed to generate PDF",
"invalidOrUnsupportedFile": "Invalid or unsupported file",
"confirm": "Confirm",
"saveSignedPdf": "Save Signed PDF",
"@saveSignedPdf": {},
"settings": "Settings",
"@settings": {},
"signature": "Signature",
"@signature": {},
"theme": "Theme",
"@theme": {},
"themeDark": "Dark",
"@themeDark": {},
"themeLight": "Light",
"@themeLight": {},
"themeSystem": "System",
"@themeSystem": {},
"undo": "Undo",
"clear": "Clear"
}
"@undo": {}
}

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@ -1,44 +1,39 @@
{
"@@locale": "es",
"appTitle": "Firma PDF",
"errorWithMessage": "Error: {message}",
"settings": "Ajustes",
"theme": "Tema",
"themeLight": "Claro",
"themeDark": "Oscuro",
"themeSystem": "Del sistema",
"language": "Idioma",
"languageEnglish": "Inglés",
"languageChineseTraditional": "Chino tradicional",
"languageSpanish": "Español",
"resetToDefaults": "Restablecer valores",
"openPdf": "Abrir PDF…",
"prev": "Anterior",
"next": "Siguiente",
"pageInfo": "Página {current}/{total}",
"goTo": "Ir a:",
"dpi": "DPI:",
"saveSignedPdf": "Guardar PDF firmado",
"loadSignatureFromFile": "Cargar firma desde archivo",
"drawSignature": "Dibujar firma",
"noPdfLoaded": "No hay PDF cargado",
"signature": "Firma",
"lockAspectRatio": "Bloquear relación de aspecto",
"backgroundRemoval": "Eliminación de fondo",
"contrast": "Contraste",
"backgroundRemoval": "Eliminar fondo",
"brightness": "Brillo",
"exportingPleaseWait": "Exportando... Por favor espera",
"nothingToSaveYet": "Nada que guardar todavía",
"savedWithPath": "Guardado: {path}",
"failedToSavePdf": "Error al guardar el PDF",
"downloadStarted": "Descarga iniciada",
"failedToGeneratePdf": "Error al generar el PDF",
"invalidOrUnsupportedFile": "Archivo no válido o no compatible",
"clear": "Limpiar",
"confirm": "Confirmar",
"undo": "Deshacer",
"clear": "Limpiar"
}
"contrast": "Contraste",
"createNewSignature": "Crear nueva firma",
"delete": "Eliminar",
"downloadStarted": "Descarga iniciada",
"dpi": "DPI:",
"drawSignature": "Dibujar firma",
"errorWithMessage": "Error: {message}",
"exportingPleaseWait": "Exportando... Por favor, espere",
"failedToGeneratePdf": "No se pudo generar el PDF",
"failedToSavePdf": "No se pudo guardar el PDF",
"goTo": "Ir a:",
"invalidOrUnsupportedFile": "Archivo inválido o no compatible",
"language": "Idioma",
"loadSignatureFromFile": "Cargar firma desde archivo",
"lockAspectRatio": "Bloquear relación de aspecto",
"longPressOrRightClickTheSignatureToConfirmOrDelete": "Pulse prolongadamente o haga clic derecho en la firma para confirmar o eliminar.",
"next": "Siguiente",
"noPdfLoaded": "No se ha cargado ningún PDF",
"nothingToSaveYet": "Aún no hay nada que guardar",
"openPdf": "Abrir PDF...",
"pageInfo": "Página {current}/{total}",
"prev": "Anterior",
"resetToDefaults": "Restablecer valores predeterminados",
"savedWithPath": "Guardado: {path}",
"saveSignedPdf": "Guardar PDF firmado",
"settings": "Ajustes",
"signature": "Firma",
"theme": "Tema",
"themeDark": "Oscuro",
"themeLight": "Claro",
"themeSystem": "Sistema",
"undo": "Deshacer"
}

39
lib/l10n/app_fr.arb Normal file
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@ -0,0 +1,39 @@
{
"appTitle": "Signature PDF",
"backgroundRemoval": "Suppression de l'arrière-plan",
"brightness": "Luminosité",
"clear": "Effacer",
"confirm": "Confirmer",
"contrast": "Contraste",
"createNewSignature": "Créer une nouvelle signature",
"delete": "Supprimer",
"downloadStarted": "Téléchargement commencé",
"dpi": "DPI :",
"drawSignature": "Dessiner une signature",
"errorWithMessage": "Erreur : {message}",
"exportingPleaseWait": "Exportation… Veuillez patienter",
"failedToGeneratePdf": "Échec de la génération du PDF",
"failedToSavePdf": "Échec de l'enregistrement du PDF",
"goTo": "Aller à :",
"invalidOrUnsupportedFile": "Fichier invalide ou non pris en charge",
"language": "Langue",
"loadSignatureFromFile": "Charger une signature depuis un fichier",
"lockAspectRatio": "Verrouiller le ratio largeur/hauteur",
"longPressOrRightClickTheSignatureToConfirmOrDelete": "Appuyez longuement ou cliquez droit sur la signature pour la confirmer ou la supprimer.",
"next": "Suivant",
"noPdfLoaded": "Aucun PDF chargé",
"nothingToSaveYet": "Rien à enregistrer pour le moment",
"openPdf": "Ouvrir un PDF...",
"pageInfo": "Page {current}/{total}",
"prev": "Précédent",
"resetToDefaults": "Rétablir les valeurs par défaut",
"savedWithPath": "Enregistré : {path}",
"saveSignedPdf": "Enregistrer le PDF signé",
"settings": "Paramètres",
"signature": "Signature",
"theme": "Thème",
"themeDark": "Sombre",
"themeLight": "Clair",
"themeSystem": "Système",
"undo": "Annuler"
}

39
lib/l10n/app_ja.arb Normal file
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@ -0,0 +1,39 @@
{
"appTitle": "PDF署名",
"backgroundRemoval": "背景除去",
"brightness": "明るさ",
"clear": "クリア",
"confirm": "確認",
"contrast": "コントラスト",
"createNewSignature": "新しい署名を作成",
"delete": "削除",
"downloadStarted": "ダウンロード開始",
"dpi": "DPI",
"drawSignature": "署名をかく",
"errorWithMessage": "エラー:{message}",
"exportingPleaseWait": "エクスポート中…お待ちください",
"failedToGeneratePdf": "PDFの生成に失敗しました",
"failedToSavePdf": "PDFの保存に失敗しました",
"goTo": "移動:",
"invalidOrUnsupportedFile": "無効なファイルまたはサポートされていないファイル",
"language": "言語",
"loadSignatureFromFile": "ファイルから署名を読み込む",
"lockAspectRatio": "アスペクト比をロック",
"longPressOrRightClickTheSignatureToConfirmOrDelete": "署名を長押しまたは右クリックして、確認または削除します。",
"next": "次へ",
"noPdfLoaded": "PDFが読み込まれていません",
"nothingToSaveYet": "まだ保存するものがありません",
"openPdf": "PDFを開く…",
"pageInfo": "ページ {current}/{total}",
"prev": "前へ",
"resetToDefaults": "デフォルトに戻す",
"savedWithPath": "保存しました:{path}",
"saveSignedPdf": "署名済みPDFを保存",
"settings": "設定",
"signature": "署名",
"theme": "テーマ",
"themeDark": "ダーク",
"themeLight": "ライト",
"themeSystem": "システム",
"undo": "元に戻す"
}

39
lib/l10n/app_ko.arb Normal file
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@ -0,0 +1,39 @@
{
"appTitle": "PDF 서명",
"backgroundRemoval": "배경 제거",
"brightness": "밝기",
"clear": "지우기",
"confirm": "확인",
"contrast": "대비",
"createNewSignature": "새 서명 만들기",
"delete": "삭제",
"downloadStarted": "다운로드 시작됨",
"dpi": "DPI:",
"drawSignature": "서명 그리기",
"errorWithMessage": "오류: {message}",
"exportingPleaseWait": "내보내는 중... 잠시 기다려주세요",
"failedToGeneratePdf": "PDF 생성 실패",
"failedToSavePdf": "PDF 저장 실패",
"goTo": "이동:",
"invalidOrUnsupportedFile": "잘못된 파일이거나 지원되지 않는 파일입니다.",
"language": "언어",
"loadSignatureFromFile": "파일에서 서명 불러오기",
"lockAspectRatio": "종횡비 고정",
"longPressOrRightClickTheSignatureToConfirmOrDelete": "서명을 길게 누르거나 마우스 오른쪽 버튼을 클릭하여 확인하거나 삭제합니다.",
"next": "다음",
"noPdfLoaded": "로드된 PDF 없음",
"nothingToSaveYet": "아직 저장할 내용이 없습니다.",
"openPdf": "PDF 열기...",
"pageInfo": "{current}/{total} 페이지",
"prev": "이전",
"resetToDefaults": "기본값으로 재설정",
"savedWithPath": "{path}에 저장됨",
"saveSignedPdf": "서명된 PDF 저장",
"settings": "설정",
"signature": "서명",
"theme": "테마",
"themeDark": "다크",
"themeLight": "라이트",
"themeSystem": "시스템",
"undo": "실행 취소"
}

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@ -1,373 +0,0 @@
import 'dart:async';
import 'package:flutter/foundation.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:intl/intl.dart' as intl;
import 'app_localizations_en.dart';
import 'app_localizations_es.dart';
import 'app_localizations_zh.dart';
// ignore_for_file: type=lint
/// Callers can lookup localized strings with an instance of AppLocalizations
/// returned by `AppLocalizations.of(context)`.
///
/// Applications need to include `AppLocalizations.delegate()` in their app's
/// `localizationDelegates` list, and the locales they support in the app's
/// `supportedLocales` list. For example:
///
/// ```dart
/// import 'l10n/app_localizations.dart';
///
/// return MaterialApp(
/// localizationsDelegates: AppLocalizations.localizationsDelegates,
/// supportedLocales: AppLocalizations.supportedLocales,
/// home: MyApplicationHome(),
/// );
/// ```
///
/// ## Update pubspec.yaml
///
/// Please make sure to update your pubspec.yaml to include the following
/// packages:
///
/// ```yaml
/// dependencies:
/// # Internationalization support.
/// flutter_localizations:
/// sdk: flutter
/// intl: any # Use the pinned version from flutter_localizations
///
/// # Rest of dependencies
/// ```
///
/// ## iOS Applications
///
/// iOS applications define key application metadata, including supported
/// locales, in an Info.plist file that is built into the application bundle.
/// To configure the locales supported by your app, youll need to edit this
/// file.
///
/// First, open your projects ios/Runner.xcworkspace Xcode workspace file.
/// Then, in the Project Navigator, open the Info.plist file under the Runner
/// projects Runner folder.
///
/// Next, select the Information Property List item, select Add Item from the
/// Editor menu, then select Localizations from the pop-up menu.
///
/// Select and expand the newly-created Localizations item then, for each
/// locale your application supports, add a new item and select the locale
/// you wish to add from the pop-up menu in the Value field. This list should
/// be consistent with the languages listed in the AppLocalizations.supportedLocales
/// property.
abstract class AppLocalizations {
AppLocalizations(String locale)
: localeName = intl.Intl.canonicalizedLocale(locale.toString());
final String localeName;
static AppLocalizations of(BuildContext context) {
return Localizations.of<AppLocalizations>(context, AppLocalizations)!;
}
static const LocalizationsDelegate<AppLocalizations> delegate =
_AppLocalizationsDelegate();
/// A list of this localizations delegate along with the default localizations
/// delegates.
///
/// Returns a list of localizations delegates containing this delegate along with
/// GlobalMaterialLocalizations.delegate, GlobalCupertinoLocalizations.delegate,
/// and GlobalWidgetsLocalizations.delegate.
///
/// Additional delegates can be added by appending to this list in
/// MaterialApp. This list does not have to be used at all if a custom list
/// of delegates is preferred or required.
static const List<LocalizationsDelegate<dynamic>> localizationsDelegates =
<LocalizationsDelegate<dynamic>>[
delegate,
GlobalMaterialLocalizations.delegate,
GlobalCupertinoLocalizations.delegate,
GlobalWidgetsLocalizations.delegate,
];
/// A list of this localizations delegate's supported locales.
static const List<Locale> supportedLocales = <Locale>[
Locale('en'),
Locale('es'),
Locale('zh'),
Locale('zh', 'TW'),
];
/// No description provided for @appTitle.
///
/// In en, this message translates to:
/// **'PDF Signature'**
String get appTitle;
/// Generic error text with message
///
/// In en, this message translates to:
/// **'Error: {message}'**
String errorWithMessage(String message);
/// No description provided for @settings.
///
/// In en, this message translates to:
/// **'Settings'**
String get settings;
/// No description provided for @theme.
///
/// In en, this message translates to:
/// **'Theme'**
String get theme;
/// No description provided for @themeLight.
///
/// In en, this message translates to:
/// **'Light'**
String get themeLight;
/// No description provided for @themeDark.
///
/// In en, this message translates to:
/// **'Dark'**
String get themeDark;
/// No description provided for @themeSystem.
///
/// In en, this message translates to:
/// **'System'**
String get themeSystem;
/// No description provided for @language.
///
/// In en, this message translates to:
/// **'Language'**
String get language;
/// No description provided for @languageEnglish.
///
/// In en, this message translates to:
/// **'English'**
String get languageEnglish;
/// No description provided for @languageChineseTraditional.
///
/// In en, this message translates to:
/// **'Traditional Chinese'**
String get languageChineseTraditional;
/// No description provided for @languageSpanish.
///
/// In en, this message translates to:
/// **'Spanish'**
String get languageSpanish;
/// No description provided for @resetToDefaults.
///
/// In en, this message translates to:
/// **'Reset to defaults'**
String get resetToDefaults;
/// No description provided for @openPdf.
///
/// In en, this message translates to:
/// **'Open PDF...'**
String get openPdf;
/// No description provided for @prev.
///
/// In en, this message translates to:
/// **'Prev'**
String get prev;
/// No description provided for @next.
///
/// In en, this message translates to:
/// **'Next'**
String get next;
/// Label showing current page and total
///
/// In en, this message translates to:
/// **'Page {current}/{total}'**
String pageInfo(int current, int total);
/// No description provided for @goTo.
///
/// In en, this message translates to:
/// **'Go to:'**
String get goTo;
/// No description provided for @dpi.
///
/// In en, this message translates to:
/// **'DPI:'**
String get dpi;
/// No description provided for @saveSignedPdf.
///
/// In en, this message translates to:
/// **'Save Signed PDF'**
String get saveSignedPdf;
/// No description provided for @loadSignatureFromFile.
///
/// In en, this message translates to:
/// **'Load Signature from file'**
String get loadSignatureFromFile;
/// No description provided for @drawSignature.
///
/// In en, this message translates to:
/// **'Draw Signature'**
String get drawSignature;
/// No description provided for @noPdfLoaded.
///
/// In en, this message translates to:
/// **'No PDF loaded'**
String get noPdfLoaded;
/// No description provided for @signature.
///
/// In en, this message translates to:
/// **'Signature'**
String get signature;
/// No description provided for @lockAspectRatio.
///
/// In en, this message translates to:
/// **'Lock aspect ratio'**
String get lockAspectRatio;
/// No description provided for @backgroundRemoval.
///
/// In en, this message translates to:
/// **'Background removal'**
String get backgroundRemoval;
/// No description provided for @contrast.
///
/// In en, this message translates to:
/// **'Contrast'**
String get contrast;
/// No description provided for @brightness.
///
/// In en, this message translates to:
/// **'Brightness'**
String get brightness;
/// No description provided for @exportingPleaseWait.
///
/// In en, this message translates to:
/// **'Exporting... Please wait'**
String get exportingPleaseWait;
/// No description provided for @nothingToSaveYet.
///
/// In en, this message translates to:
/// **'Nothing to save yet'**
String get nothingToSaveYet;
/// Snackbar text showing where file saved
///
/// In en, this message translates to:
/// **'Saved: {path}'**
String savedWithPath(String path);
/// No description provided for @failedToSavePdf.
///
/// In en, this message translates to:
/// **'Failed to save PDF'**
String get failedToSavePdf;
/// No description provided for @downloadStarted.
///
/// In en, this message translates to:
/// **'Download started'**
String get downloadStarted;
/// No description provided for @failedToGeneratePdf.
///
/// In en, this message translates to:
/// **'Failed to generate PDF'**
String get failedToGeneratePdf;
/// No description provided for @invalidOrUnsupportedFile.
///
/// In en, this message translates to:
/// **'Invalid or unsupported file'**
String get invalidOrUnsupportedFile;
/// No description provided for @confirm.
///
/// In en, this message translates to:
/// **'Confirm'**
String get confirm;
/// No description provided for @undo.
///
/// In en, this message translates to:
/// **'Undo'**
String get undo;
/// No description provided for @clear.
///
/// In en, this message translates to:
/// **'Clear'**
String get clear;
}
class _AppLocalizationsDelegate
extends LocalizationsDelegate<AppLocalizations> {
const _AppLocalizationsDelegate();
@override
Future<AppLocalizations> load(Locale locale) {
return SynchronousFuture<AppLocalizations>(lookupAppLocalizations(locale));
}
@override
bool isSupported(Locale locale) =>
<String>['en', 'es', 'zh'].contains(locale.languageCode);
@override
bool shouldReload(_AppLocalizationsDelegate old) => false;
}
AppLocalizations lookupAppLocalizations(Locale locale) {
// Lookup logic when language+country codes are specified.
switch (locale.languageCode) {
case 'zh':
{
switch (locale.countryCode) {
case 'TW':
return AppLocalizationsZhTw();
}
break;
}
}
// Lookup logic when only language code is specified.
switch (locale.languageCode) {
case 'en':
return AppLocalizationsEn();
case 'es':
return AppLocalizationsEs();
case 'zh':
return AppLocalizationsZh();
}
throw FlutterError(
'AppLocalizations.delegate failed to load unsupported locale "$locale". This is likely '
'an issue with the localizations generation tool. Please file an issue '
'on GitHub with a reproducible sample app and the gen-l10n configuration '
'that was used.',
);
}

View File

@ -1,127 +0,0 @@
// ignore: unused_import
import 'package:intl/intl.dart' as intl;
import 'app_localizations.dart';
// ignore_for_file: type=lint
/// The translations for English (`en`).
class AppLocalizationsEn extends AppLocalizations {
AppLocalizationsEn([String locale = 'en']) : super(locale);
@override
String get appTitle => 'PDF Signature';
@override
String errorWithMessage(String message) {
return 'Error: $message';
}
@override
String get settings => 'Settings';
@override
String get theme => 'Theme';
@override
String get themeLight => 'Light';
@override
String get themeDark => 'Dark';
@override
String get themeSystem => 'System';
@override
String get language => 'Language';
@override
String get languageEnglish => 'English';
@override
String get languageChineseTraditional => 'Traditional Chinese';
@override
String get languageSpanish => 'Spanish';
@override
String get resetToDefaults => 'Reset to defaults';
@override
String get openPdf => 'Open PDF...';
@override
String get prev => 'Prev';
@override
String get next => 'Next';
@override
String pageInfo(int current, int total) {
return 'Page $current/$total';
}
@override
String get goTo => 'Go to:';
@override
String get dpi => 'DPI:';
@override
String get saveSignedPdf => 'Save Signed PDF';
@override
String get loadSignatureFromFile => 'Load Signature from file';
@override
String get drawSignature => 'Draw Signature';
@override
String get noPdfLoaded => 'No PDF loaded';
@override
String get signature => 'Signature';
@override
String get lockAspectRatio => 'Lock aspect ratio';
@override
String get backgroundRemoval => 'Background removal';
@override
String get contrast => 'Contrast';
@override
String get brightness => 'Brightness';
@override
String get exportingPleaseWait => 'Exporting... Please wait';
@override
String get nothingToSaveYet => 'Nothing to save yet';
@override
String savedWithPath(String path) {
return 'Saved: $path';
}
@override
String get failedToSavePdf => 'Failed to save PDF';
@override
String get downloadStarted => 'Download started';
@override
String get failedToGeneratePdf => 'Failed to generate PDF';
@override
String get invalidOrUnsupportedFile => 'Invalid or unsupported file';
@override
String get confirm => 'Confirm';
@override
String get undo => 'Undo';
@override
String get clear => 'Clear';
}

View File

@ -1,127 +0,0 @@
// ignore: unused_import
import 'package:intl/intl.dart' as intl;
import 'app_localizations.dart';
// ignore_for_file: type=lint
/// The translations for Spanish Castilian (`es`).
class AppLocalizationsEs extends AppLocalizations {
AppLocalizationsEs([String locale = 'es']) : super(locale);
@override
String get appTitle => 'Firma PDF';
@override
String errorWithMessage(String message) {
return 'Error: $message';
}
@override
String get settings => 'Ajustes';
@override
String get theme => 'Tema';
@override
String get themeLight => 'Claro';
@override
String get themeDark => 'Oscuro';
@override
String get themeSystem => 'Del sistema';
@override
String get language => 'Idioma';
@override
String get languageEnglish => 'Inglés';
@override
String get languageChineseTraditional => 'Chino tradicional';
@override
String get languageSpanish => 'Español';
@override
String get resetToDefaults => 'Restablecer valores';
@override
String get openPdf => 'Abrir PDF…';
@override
String get prev => 'Anterior';
@override
String get next => 'Siguiente';
@override
String pageInfo(int current, int total) {
return 'Página $current/$total';
}
@override
String get goTo => 'Ir a:';
@override
String get dpi => 'DPI:';
@override
String get saveSignedPdf => 'Guardar PDF firmado';
@override
String get loadSignatureFromFile => 'Cargar firma desde archivo';
@override
String get drawSignature => 'Dibujar firma';
@override
String get noPdfLoaded => 'No hay PDF cargado';
@override
String get signature => 'Firma';
@override
String get lockAspectRatio => 'Bloquear relación de aspecto';
@override
String get backgroundRemoval => 'Eliminación de fondo';
@override
String get contrast => 'Contraste';
@override
String get brightness => 'Brillo';
@override
String get exportingPleaseWait => 'Exportando... Por favor espera';
@override
String get nothingToSaveYet => 'Nada que guardar todavía';
@override
String savedWithPath(String path) {
return 'Guardado: $path';
}
@override
String get failedToSavePdf => 'Error al guardar el PDF';
@override
String get downloadStarted => 'Descarga iniciada';
@override
String get failedToGeneratePdf => 'Error al generar el PDF';
@override
String get invalidOrUnsupportedFile => 'Archivo no válido o no compatible';
@override
String get confirm => 'Confirmar';
@override
String get undo => 'Deshacer';
@override
String get clear => 'Limpiar';
}

View File

@ -1,249 +0,0 @@
// ignore: unused_import
import 'package:intl/intl.dart' as intl;
import 'app_localizations.dart';
// ignore_for_file: type=lint
/// The translations for Chinese (`zh`).
class AppLocalizationsZh extends AppLocalizations {
AppLocalizationsZh([String locale = 'zh']) : super(locale);
@override
String get appTitle => 'PDF 簽名';
@override
String errorWithMessage(String message) {
return '錯誤:$message';
}
@override
String get settings => '設定';
@override
String get theme => '主題';
@override
String get themeLight => '淺色';
@override
String get themeDark => '深色';
@override
String get themeSystem => '系統';
@override
String get language => '語言';
@override
String get languageEnglish => '英文';
@override
String get languageChineseTraditional => '繁體中文';
@override
String get languageSpanish => '西班牙文';
@override
String get resetToDefaults => '重設為預設值';
@override
String get openPdf => '開啟 PDF…';
@override
String get prev => '上一頁';
@override
String get next => '下一頁';
@override
String pageInfo(int current, int total) {
return '$current/$total';
}
@override
String get goTo => '前往:';
@override
String get dpi => 'DPI';
@override
String get saveSignedPdf => '儲存已簽名 PDF';
@override
String get loadSignatureFromFile => '從檔案載入簽名';
@override
String get drawSignature => '手寫簽名';
@override
String get noPdfLoaded => '尚未載入 PDF';
@override
String get signature => '簽名';
@override
String get lockAspectRatio => '鎖定長寬比';
@override
String get backgroundRemoval => '去除背景';
@override
String get contrast => '對比';
@override
String get brightness => '亮度';
@override
String get exportingPleaseWait => '匯出中…請稍候';
@override
String get nothingToSaveYet => '尚無可儲存的內容';
@override
String savedWithPath(String path) {
return '已儲存:$path';
}
@override
String get failedToSavePdf => '儲存 PDF 失敗';
@override
String get downloadStarted => '已開始下載';
@override
String get failedToGeneratePdf => '產生 PDF 失敗';
@override
String get invalidOrUnsupportedFile => '無效或不支援的檔案';
@override
String get confirm => '確認';
@override
String get undo => '復原';
@override
String get clear => '清除';
}
/// The translations for Chinese, as used in Taiwan (`zh_TW`).
class AppLocalizationsZhTw extends AppLocalizationsZh {
AppLocalizationsZhTw() : super('zh_TW');
@override
String get appTitle => 'PDF 簽名';
@override
String errorWithMessage(String message) {
return '錯誤:$message';
}
@override
String get settings => '設定';
@override
String get theme => '主題';
@override
String get themeLight => '淺色';
@override
String get themeDark => '深色';
@override
String get themeSystem => '系統';
@override
String get language => '語言';
@override
String get languageEnglish => '英文';
@override
String get languageChineseTraditional => '繁體中文';
@override
String get languageSpanish => '西班牙文';
@override
String get resetToDefaults => '重設為預設值';
@override
String get openPdf => '開啟 PDF…';
@override
String get prev => '上一頁';
@override
String get next => '下一頁';
@override
String pageInfo(int current, int total) {
return '$current/$total';
}
@override
String get goTo => '前往:';
@override
String get dpi => 'DPI';
@override
String get saveSignedPdf => '儲存已簽名 PDF';
@override
String get loadSignatureFromFile => '從檔案載入簽名';
@override
String get drawSignature => '手寫簽名';
@override
String get noPdfLoaded => '尚未載入 PDF';
@override
String get signature => '簽名';
@override
String get lockAspectRatio => '鎖定長寬比';
@override
String get backgroundRemoval => '去除背景';
@override
String get contrast => '對比';
@override
String get brightness => '亮度';
@override
String get exportingPleaseWait => '匯出中…請稍候';
@override
String get nothingToSaveYet => '尚無可儲存的內容';
@override
String savedWithPath(String path) {
return '已儲存:$path';
}
@override
String get failedToSavePdf => '儲存 PDF 失敗';
@override
String get downloadStarted => '已開始下載';
@override
String get failedToGeneratePdf => '產生 PDF 失敗';
@override
String get invalidOrUnsupportedFile => '無效或不支援的檔案';
@override
String get confirm => '確認';
@override
String get undo => '復原';
@override
String get clear => '清除';
}

39
lib/l10n/app_uk.arb Normal file
View File

@ -0,0 +1,39 @@
{
"appTitle": "Підпис PDF",
"backgroundRemoval": "Видалення фону",
"brightness": "Яскравість",
"clear": "Очистити",
"confirm": "Підтвердити",
"contrast": "Контрастність",
"createNewSignature": "Створити новий підпис",
"delete": "Видалити",
"downloadStarted": "Завантаження розпочато",
"dpi": "DPI:",
"drawSignature": "Намалювати підпис",
"errorWithMessage": "Помилка: {message}",
"exportingPleaseWait": "Експортування... Зачекайте",
"failedToGeneratePdf": "Не вдалося створити PDF",
"failedToSavePdf": "Не вдалося зберегти PDF",
"goTo": "Перейти до:",
"invalidOrUnsupportedFile": "Недійсний або непідтримуваний файл",
"language": "Мова",
"loadSignatureFromFile": "Завантажити підпис з файлу",
"lockAspectRatio": "Зафіксувати співвідношення сторін",
"longPressOrRightClickTheSignatureToConfirmOrDelete": "Довго натисніть або клацніть правою кнопкою миші на підпис, щоб підтвердити або видалити.",
"next": "Далі",
"noPdfLoaded": "PDF не завантажено",
"nothingToSaveYet": "Ще нічого не потрібно зберігати",
"openPdf": "Відкрити PDF...",
"pageInfo": "Сторінка {current}/{total}",
"prev": "Попередня",
"resetToDefaults": "Скинути до значень за замовчуванням",
"savedWithPath": "Збережено: {path}",
"saveSignedPdf": "Зберегти підписаний PDF",
"settings": "Налаштування",
"signature": "Підпис",
"theme": "Тема",
"themeDark": "Темна",
"themeLight": "Світла",
"themeSystem": "Системна",
"undo": "Відмінити"
}

View File

@ -1,44 +1,40 @@
{
"@@locale": "zh",
"appTitle": "PDF 簽名",
"errorWithMessage": "錯誤:{message}",
"settings": "設定",
"theme": "主題",
"themeLight": "淺色",
"themeDark": "深色",
"themeSystem": "系統",
"language": "語言",
"languageEnglish": "英文",
"languageChineseTraditional": "繁體中文",
"languageSpanish": "西班牙文",
"resetToDefaults": "重設為預設值",
"openPdf": "開啟 PDF…",
"prev": "上一頁",
"next": "下一頁",
"pageInfo": "第 {current}/{total} 頁",
"goTo": "前往:",
"dpi": "DPI",
"saveSignedPdf": "儲存已簽名 PDF",
"loadSignatureFromFile": "從檔案載入簽名",
"drawSignature": "手寫簽名",
"noPdfLoaded": "尚未載入 PDF",
"signature": "簽名",
"lockAspectRatio": "鎖定長寬比",
"backgroundRemoval": "去除背景",
"contrast": "對比",
"brightness": "亮度",
"exportingPleaseWait": "匯出中…請稍候",
"nothingToSaveYet": "尚無可儲存的內容",
"savedWithPath": "已儲存:{path}",
"failedToSavePdf": "儲存 PDF 失敗",
"downloadStarted": "已開始下載",
"failedToGeneratePdf": "產生 PDF 失敗",
"invalidOrUnsupportedFile": "無效或不支援的檔案",
"clear": "清除",
"confirm": "確認",
"undo": "復原",
"clear": "清除"
}
"contrast": "對比",
"createNewSignature": "建立新簽名",
"delete": "刪除",
"downloadStarted": "已開始下載",
"dpi": "DPI",
"drawSignature": "手寫簽名",
"errorWithMessage": "錯誤:{message}",
"exportingPleaseWait": "匯出中…請稍候",
"failedToGeneratePdf": "產生 PDF 失敗",
"failedToSavePdf": "儲存 PDF 失敗",
"goTo": "前往:",
"invalidOrUnsupportedFile": "無效或不支援的檔案",
"language": "語言",
"loadSignatureFromFile": "從檔案載入簽名",
"lockAspectRatio": "鎖定長寬比",
"longPressOrRightClickTheSignatureToConfirmOrDelete": "長按或右鍵點擊簽名以確認或刪除。",
"next": "下一頁",
"noPdfLoaded": "尚未載入 PDF",
"nothingToSaveYet": "尚無可儲存的內容",
"openPdf": "開啟 PDF…",
"pageInfo": "第 {current}/{total} 頁",
"prev": "上一頁",
"resetToDefaults": "重設為預設值",
"savedWithPath": "已儲存:{path}",
"saveSignedPdf": "儲存已簽名 PDF",
"settings": "設定",
"signature": "簽名",
"theme": "主題",
"themeDark": "深色",
"themeLight": "淺色",
"themeSystem": "系統",
"undo": "復原"
}

39
lib/l10n/app_zh_CN.arb Normal file
View File

@ -0,0 +1,39 @@
{
"appTitle": "PDF 签名",
"backgroundRemoval": "背景移除",
"brightness": "亮度",
"clear": "清除",
"confirm": "确认",
"contrast": "对比度",
"createNewSignature": "创建新的签名",
"delete": "删除",
"downloadStarted": "下载已开始",
"dpi": "DPI",
"drawSignature": "绘制签名",
"errorWithMessage": "错误:{message}",
"exportingPleaseWait": "正在导出... 请稍候",
"failedToGeneratePdf": "PDF 生成失败",
"failedToSavePdf": "PDF 保存失败",
"goTo": "跳转到:",
"invalidOrUnsupportedFile": "无效或不支持的文件",
"language": "语言",
"loadSignatureFromFile": "从文件加载签名",
"lockAspectRatio": "锁定纵横比",
"longPressOrRightClickTheSignatureToConfirmOrDelete": "长按或右键单击签名以确认或删除。",
"next": "下一步",
"noPdfLoaded": "未加载 PDF",
"nothingToSaveYet": "尚无内容保存",
"openPdf": "打开 PDF...",
"pageInfo": "第 {current} 页 / 共 {total} 页",
"prev": "上一页",
"resetToDefaults": "恢复默认值",
"savedWithPath": "已保存:{path}",
"saveSignedPdf": "保存已签名的 PDF",
"settings": "设置",
"signature": "签名",
"theme": "主题",
"themeDark": "深色",
"themeLight": "浅色",
"themeSystem": "系统",
"undo": "撤销"
}

View File

@ -1,44 +1,40 @@
{
"@@locale": "zh_TW",
"appTitle": "PDF 簽名",
"errorWithMessage": "錯誤:{message}",
"settings": "設定",
"theme": "主題",
"themeLight": "淺色",
"themeDark": "深色",
"themeSystem": "系統",
"language": "語言",
"languageEnglish": "英文",
"languageChineseTraditional": "繁體中文",
"languageSpanish": "西班牙文",
"resetToDefaults": "重設為預設值",
"openPdf": "開啟 PDF…",
"prev": "上一頁",
"next": "下一頁",
"pageInfo": "第 {current}/{total} 頁",
"goTo": "前往:",
"dpi": "DPI",
"saveSignedPdf": "儲存已簽名 PDF",
"loadSignatureFromFile": "從檔案載入簽名",
"drawSignature": "手寫簽名",
"noPdfLoaded": "尚未載入 PDF",
"signature": "簽名",
"lockAspectRatio": "鎖定長寬比",
"backgroundRemoval": "去除背景",
"contrast": "對比",
"brightness": "亮度",
"exportingPleaseWait": "匯出中…請稍候",
"nothingToSaveYet": "尚無可儲存的內容",
"savedWithPath": "已儲存:{path}",
"failedToSavePdf": "儲存 PDF 失敗",
"downloadStarted": "已開始下載",
"failedToGeneratePdf": "產生 PDF 失敗",
"invalidOrUnsupportedFile": "無效或不支援的檔案",
"clear": "清除",
"confirm": "確認",
"undo": "復原",
"clear": "清除"
}
"contrast": "對比",
"createNewSignature": "建立新簽名",
"delete": "刪除",
"downloadStarted": "已開始下載",
"dpi": "DPI",
"drawSignature": "手寫簽名",
"errorWithMessage": "錯誤:{message}",
"exportingPleaseWait": "匯出中…請稍候",
"failedToGeneratePdf": "產生 PDF 失敗",
"failedToSavePdf": "儲存 PDF 失敗",
"goTo": "前往:",
"invalidOrUnsupportedFile": "無效或不支援的檔案",
"language": "語言",
"loadSignatureFromFile": "從檔案載入簽名",
"lockAspectRatio": "鎖定長寬比",
"longPressOrRightClickTheSignatureToConfirmOrDelete": "長按或右鍵點擊簽名以確認或刪除。",
"next": "下一頁",
"noPdfLoaded": "尚未載入 PDF",
"nothingToSaveYet": "尚無可儲存的內容",
"openPdf": "開啟 PDF…",
"pageInfo": "第 {current}/{total} 頁",
"prev": "上一頁",
"resetToDefaults": "重設為預設值",
"savedWithPath": "已儲存:{path}",
"saveSignedPdf": "儲存已簽名 PDF",
"settings": "設定",
"signature": "簽名",
"theme": "主題",
"themeDark": "深色",
"themeLight": "淺色",
"themeSystem": "系統",
"undo": "復原"
}

View File

@ -41,11 +41,11 @@ class PdfPageArea extends ConsumerWidget {
globalPos.dx,
globalPos.dy,
),
items: const [
items: [
PopupMenuItem<String>(
key: Key('ctx_delete_signature'),
value: 'delete',
child: Text('Delete'),
child: Text(AppLocalizations.of(context).delete),
),
],
);
@ -281,16 +281,16 @@ class PdfPageArea extends ConsumerWidget {
pos.dx,
pos.dy,
),
items: const [
items: [
PopupMenuItem<String>(
key: Key('ctx_active_confirm'),
value: 'confirm',
child: Text('Confirm'),
child: Text(AppLocalizations.of(context).confirm),
),
PopupMenuItem<String>(
key: Key('ctx_active_delete'),
value: 'delete',
child: Text('Delete'),
child: Text(AppLocalizations.of(context).delete),
),
],
).then((choice) {
@ -311,16 +311,16 @@ class PdfPageArea extends ConsumerWidget {
pos.dx,
pos.dy,
),
items: const [
items: [
PopupMenuItem<String>(
key: Key('ctx_active_confirm_lp'),
value: 'confirm',
child: Text('Confirm'),
child: Text(AppLocalizations.of(context).confirm),
),
PopupMenuItem<String>(
key: Key('ctx_active_delete_lp'),
value: 'delete',
child: Text('Delete'),
child: Text(AppLocalizations.of(context).delete),
),
],
).then((choice) {

View File

@ -79,9 +79,11 @@ class _PdfSignatureHomePageState extends ConsumerState<PdfSignatureHomePage> {
.setSignedPage(ref.read(pdfProvider).currentPage);
// Hint: how to confirm/delete via context menu
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
SnackBar(
content: Text(
'Long-press or right-click the signature to Confirm or Delete.',
AppLocalizations.of(
context,
).longPressOrRightClickTheSignatureToConfirmOrDelete,
),
duration: Duration(seconds: 3),
),

View File

@ -129,7 +129,7 @@ class PdfToolbar extends ConsumerWidget {
OutlinedButton(
key: const Key('btn_create_signature'),
onPressed: disabled || !pdf.loaded ? null : onCreateSignature,
child: const Text('Create new signature'),
child: Text(l.createNewSignature),
),
ElevatedButton(
key: const Key('btn_draw_signature'),

View File

@ -1,32 +1,64 @@
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:pdf_signature/l10n/app_localizations.dart';
import 'package:flutter_localized_locales/flutter_localized_locales.dart';
// Simple supported locales
const supportedLocales = <Locale>[
Locale('en'),
Locale('zh', 'TW'),
Locale('es'),
];
// Helpers to work with BCP-47 language tags
String toLanguageTag(Locale loc) {
final lang = loc.languageCode.toLowerCase();
final region = loc.countryCode;
if (region == null || region.isEmpty) return lang;
return '$lang-${region.toUpperCase()}';
}
Locale _parseLanguageTag(String tag) {
final cleaned = tag.replaceAll('_', '-');
final parts = cleaned.split('-');
if (parts.length >= 2 && parts[1].isNotEmpty) {
return Locale(parts[0].toLowerCase(), parts[1].toUpperCase());
}
return Locale(parts[0].toLowerCase());
}
Set<String> _supportedTags() {
return AppLocalizations.supportedLocales.map((l) => toLanguageTag(l)).toSet();
}
// Keys
const _kTheme = 'theme'; // 'light'|'dark'|'system'
const _kLanguage = 'language'; // 'en'|'zh-TW'|'es'
const _kLanguage = 'language'; // BCP-47 tag like 'en', 'zh-TW', 'es'
String _normalizeLanguageTag(String tag) {
final parts = tag.split('-');
if (parts.isEmpty) return 'en';
final primary = parts[0].toLowerCase();
if (primary == 'en') return 'en';
if (primary == 'es') return 'es';
if (primary == 'zh') {
final region = parts.length > 1 ? parts[1].toUpperCase() : '';
if (region == 'TW') return 'zh-TW';
// other zh regions not supported; fall back to English
return 'en';
}
// Fallback default
return 'en';
final tags = _supportedTags();
if (tag.isEmpty) return tags.contains('en') ? 'en' : tags.first;
// Replace underscore with hyphen and canonicalize case
final normalized = () {
final t = tag.replaceAll('_', '-');
final parts = t.split('-');
final lang = parts[0].toLowerCase();
if (parts.length >= 2 && parts[1].isNotEmpty) {
return '$lang-${parts[1].toUpperCase()}';
}
return lang;
}();
// Exact match
if (tags.contains(normalized)) return normalized;
// Try fallback to language-only if available
final langOnly = normalized.split('-')[0];
if (tags.contains(langOnly)) return langOnly;
// Try to pick first tag with same language
final candidate = tags.firstWhere(
(t) => t.split('-')[0] == langOnly,
orElse: () => '',
);
if (candidate.isNotEmpty) return candidate;
// Final fallback to English or first supported
return tags.contains('en') ? 'en' : tags.first;
}
class PreferencesState {
@ -49,7 +81,8 @@ class PreferencesNotifier extends StateNotifier<PreferencesState> {
theme: prefs.getString(_kTheme) ?? 'system',
language: _normalizeLanguageTag(
prefs.getString(_kLanguage) ??
WidgetsBinding.instance.platformDispatcher.locale.toLanguageTag(),
WidgetsBinding.instance.platformDispatcher.locale
.toLanguageTag(),
),
),
) {
@ -84,11 +117,12 @@ class PreferencesNotifier extends StateNotifier<PreferencesState> {
}
Future<void> resetToDefaults() async {
final device = WidgetsBinding.instance.platformDispatcher.locale.toLanguageTag();
final normalized = _normalizeLanguageTag(device);
state = PreferencesState(theme: 'system', language: normalized);
await prefs.setString(_kTheme, 'system');
await prefs.setString(_kLanguage, normalized);
final device =
WidgetsBinding.instance.platformDispatcher.locale.toLanguageTag();
final normalized = _normalizeLanguageTag(device);
state = PreferencesState(theme: 'system', language: normalized);
await prefs.setString(_kTheme, 'system');
await prefs.setString(_kLanguage, normalized);
}
}
@ -125,19 +159,28 @@ final themeModeProvider = Provider<ThemeMode>((ref) {
}
});
Locale _parseLanguageTag(String tag) {
// 'zh-TW' -> ('zh','TW')
final parts = tag.split('-');
if (parts.length == 2) return Locale(parts[0], parts[1]);
return Locale(parts[0]);
}
final localeProvider = Provider<Locale?>((ref) {
final prefs = ref.watch(preferencesProvider);
final supported = _supportedTags();
// Return explicit Locale for supported ones; if not supported, null to follow device
final supported = {'en', 'zh-TW', 'es'};
if (supported.contains(prefs.language)) {
return _parseLanguageTag(prefs.language);
}
return null;
});
/// Provides a map of BCP-47 tag -> autonym (self name), independent of UI locale.
final languageAutonymsProvider = FutureProvider<Map<String, String>>((
ref,
) async {
final tags = _supportedTags().toList()..sort();
final delegate = LocaleNamesLocalizationsDelegate();
final Map<String, String> result = {};
for (final tag in tags) {
final locale = _parseLanguageTag(tag);
final names = await delegate.load(locale);
final name = names.nameOf(tag) ?? tag;
result[tag] = name;
}
return result;
});

View File

@ -39,25 +39,62 @@ class SettingsScreen extends ConsumerWidget {
style: const TextStyle(fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
DropdownButton<String>(
key: const Key('ddl_language'),
value: prefs.language,
items: [
DropdownMenuItem(value: 'en', child: Text(l.languageEnglish)),
DropdownMenuItem(
value: 'zh-TW',
child: Text(l.languageChineseTraditional),
ref
.watch(languageAutonymsProvider)
.when(
loading:
() => const SizedBox(
height: 48,
child: Center(child: CircularProgressIndicator()),
),
error:
(_, __) => DropdownButton<String>(
key: const Key('ddl_language'),
value: prefs.language,
items:
AppLocalizations.supportedLocales.map((loc) {
final tag = toLanguageTag(loc);
return DropdownMenuItem<String>(
value: tag,
child: Text(tag),
);
}).toList(),
onChanged:
(v) =>
v == null
? null
: ref
.read(preferencesProvider.notifier)
.setLanguage(v),
),
data: (names) {
final items =
AppLocalizations.supportedLocales
.map((loc) => toLanguageTag(loc))
.toList()
..sort();
return DropdownButton<String>(
key: const Key('ddl_language'),
value: prefs.language,
items:
items
.map(
(tag) => DropdownMenuItem<String>(
value: tag,
child: Text(names[tag] ?? tag),
),
)
.toList(),
onChanged:
(v) =>
v == null
? null
: ref
.read(preferencesProvider.notifier)
.setLanguage(v),
);
},
),
DropdownMenuItem(value: 'es', child: Text(l.languageSpanish)),
],
onChanged:
(v) =>
v == null
? null
: ref
.read(preferencesProvider.notifier)
.setLanguage(v),
),
const Spacer(),
Align(
alignment: Alignment.bottomRight,

View File

@ -49,6 +49,7 @@ dependencies:
flutter_localizations:
sdk: flutter
intl: any
flutter_localized_locales: ^2.0.5
dev_dependencies:
flutter_test:

View File

@ -30,6 +30,7 @@ const system = _Token('system');
const en = _Token('en');
const es = _Token('es');
const zh = _Token('zh');
// ignore: constant_identifier_names
const TW = _Token('TW');
const theme = _Token('theme');
const language = _Token('language');