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feat: Language filter (openfoodfacts#2539)
* feat: language filter * feat: dev mode language search * Oop, Open food facts Language used * language picker seperated. * localize choose app language * fix: language filter changes requested * fix: further optimization Co-authored-by: Pierre Slamich <pierre@openfoodfacts.org>
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packages/smooth_app/lib/generic_lib/widgets/language_selector.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_gen/gen_l10n/app_localizations.dart' | ||
| show AppLocalizations; | ||
| import 'package:openfoodfacts/utils/LanguageHelper.dart'; | ||
| import 'package:smooth_app/data_models/user_preferences.dart'; | ||
| import 'package:smooth_app/generic_lib/dialogs/smooth_alert_dialog.dart'; | ||
| import 'package:smooth_app/pages/preferences/user_preferences_languages_list.dart'; | ||
|
|
||
| class LanguageSelectorSettings extends StatelessWidget { | ||
| const LanguageSelectorSettings({ | ||
| required this.userPreferences, | ||
| required this.appLocalizations, | ||
| }); | ||
|
|
||
| final UserPreferences userPreferences; | ||
| final AppLocalizations appLocalizations; | ||
|
|
||
| static final Languages _languages = Languages(); | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| // The languages that are supported by flutter widget | ||
| final String currentLanguageCode = userPreferences.appLanguageCode ?? | ||
| Localizations.localeOf(context).toString(); | ||
| final String nameInLanguage = | ||
| _languages.getLanguageNameInEnglishFromOpenFoodFactsLanguage( | ||
| LanguageHelper.fromJson(currentLanguageCode)); | ||
| return ListTile( | ||
| leading: const Icon(Icons.language), | ||
| title: Text( | ||
| appLocalizations.choose_app_language, | ||
| ), | ||
| subtitle: Text( | ||
| '$nameInLanguage ($currentLanguageCode)', | ||
| softWrap: false, | ||
| overflow: TextOverflow.fade, | ||
| ), | ||
| onTap: () async { | ||
| final List<OpenFoodFactsLanguage> leftovers = | ||
| _languages.getSupportedLanguagesNameInEnglish(); | ||
| leftovers.sort((OpenFoodFactsLanguage a, OpenFoodFactsLanguage b) => | ||
| _languages | ||
| .getLanguageNameInEnglishFromOpenFoodFactsLanguage(a) | ||
| .compareTo(_languages | ||
| .getLanguageNameInEnglishFromOpenFoodFactsLanguage(b))); | ||
| List<OpenFoodFactsLanguage> filteredList = leftovers; | ||
| await showDialog<void>( | ||
| context: context, | ||
| builder: (BuildContext context) { | ||
| return StatefulBuilder( | ||
| builder: (BuildContext context, | ||
| void Function(VoidCallback fn) setState) { | ||
| return SmoothAlertDialog( | ||
| body: Column( | ||
| children: <Widget>[ | ||
| TextField( | ||
| decoration: InputDecoration( | ||
| prefixIcon: const Icon(Icons.search), | ||
| enabledBorder: const UnderlineInputBorder(), | ||
| labelText: appLocalizations.search, | ||
| ), | ||
| onChanged: (String query) { | ||
| setState( | ||
| () { | ||
| filteredList = leftovers | ||
| .where((OpenFoodFactsLanguage item) => | ||
| _languages | ||
| .getLanguageNameInEnglishFromOpenFoodFactsLanguage( | ||
| item) | ||
| .toLowerCase() | ||
| .contains(query.toLowerCase()) || | ||
| item.code.contains(query)) | ||
| .toList(); | ||
| }, | ||
| ); | ||
| }, | ||
| ), | ||
| ...List<ListTile>.generate( | ||
| filteredList.length, | ||
| (int index) { | ||
| final OpenFoodFactsLanguage openFoodFactsLanguage = | ||
| filteredList[index]; | ||
| final String nameInLanguage = _languages | ||
| .getLanguageNameInLanguageFromOpenFoodFactsLanguage( | ||
| openFoodFactsLanguage); | ||
| return ListTile( | ||
| title: Text( | ||
| '$nameInLanguage (${_languages.getLanguageNameInEnglishFromOpenFoodFactsLanguage(openFoodFactsLanguage)})', | ||
| softWrap: false, | ||
| overflow: TextOverflow.fade, | ||
| ), | ||
| onTap: () { | ||
| userPreferences.setAppLanguageCode( | ||
| openFoodFactsLanguage.code); | ||
| Navigator.of(context).pop(); | ||
| }, | ||
| ); | ||
| }, | ||
| ), | ||
| ], | ||
| ), | ||
| positiveAction: SmoothActionButton( | ||
| onPressed: () => Navigator.pop(context), | ||
| text: appLocalizations.cancel, | ||
| ), | ||
| ); | ||
| }, | ||
| ); | ||
| }); | ||
| }, | ||
| ); | ||
| } | ||
| } |
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