RG-3443 Экран настроек локализации

lib/screens/currencies.dart

@@ -48,7 +48,6 @@ class _CurrenciesState extends SettingsBaseState<CurrenciesScreen> {
 
   @override
   saveOption() async {
-    print(currencies[selectedItem]);
     await helper.saveCurrency(currencies[selectedItem]);
   }
 }

lib/screens/languages.dart

@@ -1,16 +1,16 @@
+import 'package:checker/base/base_screen.dart';
 import 'package:checker/base/settings_base_state.dart';
 import 'package:checker/db.dart';
 import 'package:flutter/material.dart';
 import 'package:checker/consts.dart';
 import 'package:checker/strings.dart';
 import 'package:checker/common.dart';
+import 'package:intl/intl.dart';
 
-class LanguagesScreen extends StatefulWidget {
+class LanguagesScreen extends BaseScreen {
 
-  final SqliteHelper helper;
-  final String app;
+  LanguagesScreen(helper, app) : super(helper, app);
 
-  LanguagesScreen(this.helper, this.app);
   @override State createState() => new LanguagesState(helper, app);
 }
 
@@ -18,10 +18,18 @@ class LanguagesState extends SettingsBaseState<LanguagesScreen> {
 
   LanguagesState(SqliteHelper helper, String app) : super(helper, app);
 
+  List<String> languages = const ['ru', 'en', 'ua', 'es'];
 
   @override
   List<String> getOptions() {
-    return languages;
+
+    List<String> list = new List();
+
+    for (String code in languages) {
+      list.add(getLocaleTitle(code));
+    }
+
+    return list;
   }
 
   @override
@@ -30,8 +38,14 @@ class LanguagesState extends SettingsBaseState<LanguagesScreen> {
   }
 
   @override
-  void saveOption() {
-//    helper.sa(languages[selectedItem]);
+  saveOption() async {
+    await helper.saveLocale(languages[selectedItem]);
+    Intl.defaultLocale = languages[selectedItem];
+    StringsLocalization.load(languages[selectedItem]).then((_) {
+      setState(() {
+
+      });
+    });
   }
 
   @override

lib/screens/settings.dart

@@ -6,6 +6,7 @@ import 'package:checker/common.dart';
 import 'package:checker/consts.dart';
 import 'package:checker/db.dart';
 import 'package:checker/screens/currencies.dart';
+import 'package:checker/screens/languages.dart';
 import 'package:checker/strings.dart';
 import 'package:flutter/material.dart';
 
@@ -28,7 +29,10 @@ class MenuItem {
 
 class SettingsState extends BaseState<SettingsScreen> {
 
-  List<MenuItem> menuItems = [new MenuItem(StringsLocalization.currency(), '')];
+  List<MenuItem> menuItems = [
+    new MenuItem(StringsLocalization.currency(), ''),
+    new MenuItem(StringsLocalization.locale(), '')
+  ];
 
   bool returnToScanner;
 
@@ -44,6 +48,7 @@ class SettingsState extends BaseState<SettingsScreen> {
         if (menuItems[0].selectedValue != info['currency'].toString()) {
           setState(() {
             menuItems[0].selectedValue = info['currency'].toString();
+            menuItems[1].selectedValue = info['locale'].toString();
           });
         }
       }
@@ -67,26 +72,28 @@ class SettingsState extends BaseState<SettingsScreen> {
 
   List<Widget> getSettings() {
     List<Widget> widgets = new List();
-    for (MenuItem item in menuItems) {
-      if (item.selectedValue != '') {
-        widgets.add(getSettingsItem(item));
+    for (int i = 0; i < menuItems.length; i++) {
+      if (menuItems[i].selectedValue != '') {
+        widgets.add(getSettingsItem(() => onPressed(menuItems.indexOf(menuItems[i])),
+            menuItems[i].title,
+            i == 0 ? getCurrencyTitle(int.parse(menuItems[i].selectedValue)) : getLocaleTitle(menuItems[i].selectedValue)));
       }
     }
     return widgets;
   }
 
-  Widget getSettingsItem(MenuItem item) {
+  Widget getSettingsItem(VoidCallback onPressed, String title, String value) {
     return new Container(
         height: 56.0,
         padding: new EdgeInsets.only(left: 8.0),
         child: (new FlatButton(
-            onPressed: () => onPressed(menuItems.indexOf(item)),
+            onPressed: onPressed,
             child: new Row(children: <Widget>[
-              new Expanded(child: new Text(item.title, style: new TextStyle(
+              new Expanded(child: new Text(title, style: new TextStyle(
                   fontWeight: FontWeight.w600,
                   color: faqGrey,
                   fontSize: 14.0))),
-              new Text(getCurrencyTitle(int.parse(item.selectedValue)),
+              new Text(value,
                   style: new TextStyle(
                       fontWeight: FontWeight.w400,
                       color: faqGrey,
@@ -99,6 +106,8 @@ class SettingsState extends BaseState<SettingsScreen> {
     switch (position) {
       case 0 :
         return pushRoute(context, new CurrenciesScreen(helper, app));
+      case 1 :
+        return pushRoute(context, new LanguagesScreen(helper, app));
     }
   }