Merge pull request #34 from nstack-io/feature/languageswitch

Language switch and proper InheritedWidget

Author: johsoe

README.md

@@ -20,7 +20,7 @@ dependencies:
   nstack:
     git:
       url: git://github.com/nstack-io/flutter-sdk.git
-      ref: v0.1.4
+      ref: v0.4.0
 
 dev_dependencies:
   build_runner:
@@ -70,7 +70,7 @@ Now increment the `"version"` number and save (⌘s) to trigger an update.
 ## Example
 
 Import your `nstack.dart` file and plant your `NStackWidget` at the root of your application.\
-Use `NStackInitWidget` for submitting [AppOpen] events.
+Use `NStackAppOpen` for submitting [AppOpen] events.
 
 ```dart
 import 'package:flutter/material.dart';
@@ -84,7 +84,7 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      home: NStackInitWidget(
+      home: NStackAppOpen(
         child: Scaffold(
           appBar: AppBar(
             title: Text(context.localization.test.title),

example/ios/Flutter/AppFrameworkInfo.plist

@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>8.0</string>
+  <string>9.0</string>
 </dict>
 </plist>

example/ios/Podfile.lock

@@ -24,7 +24,7 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/shared_preferences/ios"
 
 SPEC CHECKSUMS:
-  Flutter: 434fef37c0980e73bb6479ef766c45957d4b510c
+  Flutter: 50d75fe2f02b26cc09d224853bb45737f8b3214a
   nstack: a7ebf31d8c387ec76d4bfe5eb494d3ac81756d92
   package_info: 873975fc26034f0b863a300ad47e7f1ac6c7ec62
   shared_preferences: af6bfa751691cdc24be3045c43ec037377ada40d

example/ios/Runner.xcodeproj/project.pbxproj

@@ -348,7 +348,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;
@@ -430,7 +430,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -479,7 +479,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = iphoneos;

example/lib/main.dart

@@ -9,15 +9,27 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      home: NStackInitWidget(child: Scaffold(
+      home: MainScreen(),
+    );
+  }
+}
+
+class MainScreen extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return NStackAppOpen(
+      child: Scaffold(
         appBar: AppBar(
-          title: Text(context.localization.defaultSection.title),
+          title: Text(context.localization.test.testDollarSign),
         ),
         body: Center(
-          child: Text(context.localization.test.testMultipleLines),
+          child: MaterialButton(onPressed: () async => {
+            NStackScope.of(context).changeLanguage(Locale("de-DE"))
+          },
+            child: Text("Selected locale: ${NStackScope.of(context).nstack.activeLanguage.name}")
+            ,),
         ),
       ),
-    ),
     );
   }
 }

example/lib/nstack.dart

@@ -1,7 +1,9 @@
 /// Generated by NStack, do not modify this file.
 
+import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
 import 'package:nstack/models/language.dart';
+import 'package:nstack/models/localize_index.dart';
 import 'package:nstack/models/nstack_config.dart';
 import 'package:nstack/nstack.dart';
 import 'package:nstack/partial/section_key_delegate.dart';
@@ -27,21 +29,21 @@ class _DefaultSection extends SectionKeyDelegate {
 class _Test extends SectionKeyDelegate {
 	const _Test(): super('test');
 
-	String get testDollarSign => get('testDollarSign', "\$testing");
+	String get testDollarSign => get('testDollarSign', "\$testing change back");
 	String get testSingleQuotationMark => get('testSingleQuotationMark', "\'testing\'");
 	String get testDoubleQuotationMark => get('testDoubleQuotationMark', "\"testing\"");
 	String get testMultipleLines => get('testMultipleLines', "testing\nmultiple\nlines");
 }
 
 const _config = NStackConfig(projectId: 'h6wJremI2TGFM88gbLkdyljWQuwf2hxhxvCH', apiKey: 'zp2S18H32b67eYAbRQh94tVw76ZzaKKXlHjd');
 
-const _languages = [
-	Language(id: 56, name: 'English', locale: 'en-EN', direction: 'LRM', isDefault: true, isBestFit: true),
-	Language(id: 7, name: 'German (Austria)', locale: 'de-AT', direction: 'LRM', isDefault: false, isBestFit: false),
+final _languages = [
+	LocalizeIndex(id: 1216, url: null, lastUpdatedAt: null, shouldUpdate: false,  language: Language(id: 56, name: 'English', locale: 'en-EN', direction: 'LRM', isDefault: true, isBestFit: true)),
+	LocalizeIndex(id: 1270, url: null, lastUpdatedAt: null, shouldUpdate: false,  language: Language(id: 7, name: 'German (Austria)', locale: 'de-AT', direction: 'LRM', isDefault: false, isBestFit: false)),
 ];
 
 const _bundledTranslations = {
-	'en-EN': r'''{"data":{"default":{"title":"NStack SDK Demo","test":"test"},"test":{"testDollarSign":"$testing","testSingleQuotationMark":"'testing'","testDoubleQuotationMark":"\"testing\"","testMultipleLines":"testing\nmultiple\nlines"}},"meta":{"language":{"id":56,"name":"English","locale":"en-EN","direction":"LRM","is_default":false,"is_best_fit":false},"platform":{"id":515,"slug":"mobile"}}}''',
+	'en-EN': r'''{"data":{"default":{"title":"NStack SDK Demo","test":"test"},"test":{"testDollarSign":"$testing change back","testSingleQuotationMark":"'testing'","testDoubleQuotationMark":"\"testing\"","testMultipleLines":"testing\nmultiple\nlines"}},"meta":{"language":{"id":56,"name":"English","locale":"en-EN","direction":"LRM","is_default":false,"is_best_fit":false},"platform":{"id":515,"slug":"mobile"}}}''',
 	'de-AT': r'''{"data":{"default":{"title":"NStack SDK Demo","test":"test"},"test":{"testDollarSign":"__testDollarSign","testSingleQuotationMark":"__testSingleQuotationMark","testDoubleQuotationMark":"__testDoubleQuotationMark","testMultipleLines":"__testMultipleLines"}},"meta":{"language":{"id":7,"name":"German (Austria)","locale":"de-AT","direction":"LRM","is_default":false,"is_best_fit":false},"platform":{"id":515,"slug":"mobile"}}}''',
 };
 
@@ -51,55 +53,85 @@ final _nstack = NStack<Localization>(
   availableLanguages: _languages,
   bundledTranslations: _bundledTranslations,
   pickedLanguageLocale: '',
+  debug: kDebugMode
 );
 
-class NStackWidget extends InheritedWidget {
-  final NStack<Localization> nstack = _nstack;
+class NStackScope extends InheritedWidget {
+  final NStack<Localization> nstack;
+  final NStackState state;
+  final String checksum;
 
-  NStackWidget({Key? key, required Widget child})
+  NStackScope({Key? key, required Widget child, required this.state, required this.nstack, required this.checksum})
     : super(key: key, child: child);
 
-  static NStack of(BuildContext context) =>
-      context.dependOnInheritedWidgetOfExactType<NStackWidget>()!.nstack;
+  static NStackState of(BuildContext context) =>
+      context.dependOnInheritedWidgetOfExactType<NStackScope>()!.state;
 
   @override
-  bool updateShouldNotify(NStackWidget oldWidget) =>
-      nstack != oldWidget.nstack;
+  bool updateShouldNotify(NStackScope oldWidget) =>
+      checksum != oldWidget.checksum;
 }
 
-class NStackInitWidget extends StatefulWidget {
+class NStackWidget extends StatefulWidget {
   final Widget child;
 
-  const NStackInitWidget({Key? key, required Widget child})
+  const NStackWidget({Key? key, required Widget child})
       : child = child,
         super(key: key);
 
   @override
-  _NStackInitState createState() => _NStackInitState();
+  NStackState createState() => NStackState();
 }
 
-class _NStackInitState extends State<NStackInitWidget> {
-  static bool _initialized = false;
+class NStackState extends State<NStackWidget> {
+	final NStack<Localization> nstack = _nstack;
 
-  void setupNStack(BuildContext context) {
-    final locale = Localizations.localeOf(context);
-    final nstack = NStackWidget.of(context);
-    nstack.appOpen(locale);
+	changeLanguage(Locale locale) async {
+		await _nstack.changeLocalization(locale).whenComplete(() => setState(() {}));
+	}
+
+  Future<void> appOpen(Locale locale) async {
+    await _nstack.appOpen(locale).whenComplete(() => setState(() {}));
   }
 
   @override
   Widget build(BuildContext context) {
-    if (!_initialized) {
-      setupNStack(context);
-      _initialized = true;
+		return NStackScope(child: widget.child, state: this, nstack: this.nstack, checksum: nstack.checksum,);
+  }
+}
+
+class NStackAppOpen extends StatefulWidget {
+  const NStackAppOpen({
+    Key? key,
+    required this.child,
+    this.onComplete,
+  }) : super(key: key);
+
+  final Widget child;
+  final VoidCallback? onComplete;
+
+  @override
+  _NStackAppOpenState createState() => _NStackAppOpenState();
+}
+
+class _NStackAppOpenState extends State<NStackAppOpen> {
+  bool _initializedNStack = false;
+
+  @override
+  Widget build(BuildContext context) {
+    if (!_initializedNStack) {
+      NStackScope.of(context)
+          .appOpen(Localizations.localeOf(context))
+          .whenComplete(() => widget.onComplete?.call());
+      _initializedNStack = true;
     }
     return widget.child;
   }
 }
 
 /// Allows to access the Nstack Localization using the BuildContext
 extension NStackWidgetExtension on BuildContext {
-	Localization get localization => NStackWidget.of(this).localization;
+	Localization get localization => NStackScope.of(this).nstack.localization;
 }
 
 /// Allows to access the Nstack Localization from StatefulWidget's State

example/pubspec.lock

@@ -267,7 +267,7 @@ packages:
       name: json_annotation
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.1.0"
+    version: "4.0.1"
   logging:
     dependency: transitive
     description:
@@ -302,7 +302,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.2.5"
+    version: "0.4.0"
   package_config:
     dependency: transitive
     description:
@@ -503,7 +503,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.0"
+    version: "0.4.2"
   timing:
     dependency: transitive
     description: