layout drawer finalizado

Author: mateuscdomingos

lang/en.json

@@ -10,5 +10,9 @@
   "small": "Small",
   "medium": "Medium",
   "large": "Large",
-  "extra_large": "Extra Large"
+  "extra_large": "Extra Large",
+  "language": "Language",
+  "portuguese": "Portuguese",
+  "english": "English",
+  "spanish": "Spanish"
 }

lang/es.json

@@ -10,5 +10,9 @@
   "small": "Pequeña",
   "medium": "Medio",
   "large": "Grande",
-  "extra_large": "Extra Grande"
+  "extra_large": "Extra Grande",
+  "language": "Idioma",
+  "portuguese": "Portugués",
+  "english": "Inglés",
+  "spanish": "Español"
 }

lang/pt.json

@@ -10,5 +10,9 @@
   "small": "Pequeno",
   "medium": "Médio",
   "large": "Grande",
-  "extra_large": "Extra Grande"
+  "extra_large": "Extra Grande",
+  "language": "Idioma",
+  "portuguese": "Português",
+  "english": "Inglês",
+  "spanish": "Espanhol"
 }

lib/blocs/language.dart

@@ -0,0 +1,42 @@
+import 'package:flutter/material.dart';
+
+enum LanguageProps { pt, en, es }
+
+class LanguageChanger with ChangeNotifier {
+  LanguageChanger(LanguageProps language) {
+    setLanguage(language);
+  }
+
+  Locale _language;
+  LanguageProps _valueLanguage;
+
+  Locale getLanguage() => _language;
+  LanguageProps getValueLanguage() => _valueLanguage;
+
+  void setLanguage(LanguageProps language) {
+    switch (language) {
+      case LanguageProps.pt:
+        {
+          _language = Locale('pt', '');
+          _valueLanguage = LanguageProps.pt;
+        }
+        break;
+
+      case LanguageProps.en:
+        {
+          _language = Locale('en', '');
+          _valueLanguage = LanguageProps.en;
+        }
+        break;
+
+      case LanguageProps.es:
+        {
+          _language = Locale('es', '');
+          _valueLanguage = LanguageProps.es;
+        }
+        break;
+    }
+
+    notifyListeners();
+  }
+}

lib/components/main_drawer.dart

@@ -1,3 +1,4 @@
+import 'package:appbasepe/blocs/language.dart';
 import 'package:appbasepe/blocs/theme.dart';
 import 'package:appbasepe/components/radio_form.dart';
 import 'package:appbasepe/core/internationalization/app_translate.dart';
@@ -20,6 +21,10 @@ class _MainDrawerState extends State<MainDrawer> {
     final strLarge = AppTranslate(context).text("large");
     final strExtraLarge = AppTranslate(context).text("extra_large");
 
+    final strPortuguese = AppTranslate(context).text("portuguese");
+    final strEnglish = AppTranslate(context).text("english");
+    final strSpanish = AppTranslate(context).text("spanish");
+
     final themeProps = [
       {"label": strLight, "value": ThemeColorProps.light},
       {"label": strDark, "value": ThemeColorProps.dark}
@@ -30,10 +35,18 @@ class _MainDrawerState extends State<MainDrawer> {
       {"label": strLarge, "value": ThemeTextProps.large},
       {"label": strExtraLarge, "value": ThemeTextProps.extraLarge}
     ];
+    final languageProps = [
+      {"label": strPortuguese, "value": LanguageProps.pt},
+      {"label": strEnglish, "value": LanguageProps.en},
+      {"label": strSpanish, "value": LanguageProps.es},
+    ];
 
     final theme = Provider.of<ThemeChanger>(context);
+    final language = Provider.of<LanguageChanger>(context);
+
     ThemeColorProps _valueTheme = theme.getThemeColor();
     ThemeTextProps _valueThemeText = theme.getThemeText();
+    LanguageProps _valueLanguage = language.getValueLanguage();
 
     void _selectTheme(Object item) {
       setState(() {
@@ -49,6 +62,13 @@ class _MainDrawerState extends State<MainDrawer> {
       theme.setTheme(_valueTheme, item);
     }
 
+    void _selectLanguage(Object item) {
+      setState(() {
+        _valueLanguage = item;
+      });
+      language.setLanguage(item);
+    }
+
     return Drawer(
       child: Scaffold(
         appBar: AppBar(
@@ -95,6 +115,17 @@ class _MainDrawerState extends State<MainDrawer> {
                         radioProps: fontProps,
                         orientation: OrientationProps.column,
                       ),
+                      SizedBox(height: 10),
+                      Text(
+                        AppTranslate(context).text("language"),
+                        style: Theme.of(context).textTheme.headline6,
+                      ),
+                      RadioForm(
+                        character: _valueLanguage,
+                        handleSelect: _selectLanguage,
+                        radioProps: languageProps,
+                        orientation: OrientationProps.column,
+                      ),
                     ],
                   ),
                 )

lib/core/internationalization/app_localization_delegate.dart

@@ -12,7 +12,7 @@ class AppLocalizationsDelegate extends LocalizationsDelegate<AppLocalizations> {
 
   @override
   Future<AppLocalizations> load(Locale locale) async {
-    var localizations = AppLocalizations(Locale('es', 'BR'));
+    var localizations = AppLocalizations(Locale('en', 'BR'));
     await localizations.load();
     return localizations;
   }

lib/main.dart

@@ -1,3 +1,4 @@
+import 'package:appbasepe/blocs/language.dart';
 import 'package:appbasepe/blocs/theme.dart';
 import 'package:appbasepe/core/internationalization/app_localizations.dart';
 import 'package:flutter/material.dart';
@@ -12,8 +13,16 @@ void main() {
 class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
-    return ChangeNotifierProvider(
-      create: (_) => ThemeChanger(ThemeColorProps.light, ThemeTextProps.small),
+    return MultiProvider(
+      providers: [
+        ChangeNotifierProvider(
+          create: (_) =>
+              ThemeChanger(ThemeColorProps.light, ThemeTextProps.small),
+        ),
+        ChangeNotifierProvider(
+          create: (_) => LanguageChanger(LanguageProps.pt),
+        ),
+      ],
       child: MaterialAppWithTheme(),
     );
   }