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ui_helpers.dart 16.82 KiB
import 'dart:io';
import 'package:clipboard/clipboard.dart';
import 'package:easy_localization/easy_localization.dart';
import 'package:fast_image_resizer/fast_image_resizer.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_slidable/flutter_slidable.dart';
import 'package:path_provider/path_provider.dart';
import 'package:qr_flutter/qr_flutter.dart';
import 'package:timeago/timeago.dart' as timeago;
import 'package:url_launcher/url_launcher.dart';
import '../data/models/app_cubit.dart';
import '../data/models/contact.dart';
import '../data/models/node_list_cubit.dart';
import '../data/models/transaction_cubit.dart';
import '../g1/api.dart';
import '../g1/currency.dart';
import '../shared_prefs.dart';
import 'widgets/first_screen/circular_icon.dart';
void showTooltip(BuildContext context, String title, String message) {
showDialog(
context: context,
builder: (BuildContext context) {
return AlertDialog(
title: Text(title),
content: Text(message),
actions: <Widget>[
TextButton(
onPressed: () => Navigator.pop(context),
child: Text(
tr('close').toUpperCase(),
),
),
],
);
},
);
}
void copyPublicKeyToClipboard(BuildContext context,
[String? uri, String? feedbackText]) {
FlutterClipboard.copy(uri ?? SharedPreferencesHelper().getPubKey()).then(
(dynamic value) => ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text(tr(feedbackText ?? 'key_copied_to_clipboard')))));
}
void copyToClipboard(
{required BuildContext context,
required String uri,
required String feedbackText}) {
FlutterClipboard.copy(uri).then((dynamic value) =>
ScaffoldMessenger.of(context)
.showSnackBar(SnackBar(content: Text(tr(feedbackText)))));
}
const Color defAvatarBgColor = Colors.grey;
const Color defAvatarColor = Colors.white;
const double defAvatarSize = 24;
Widget avatar(Uint8List? rawAvatar,
{Color color = defAvatarColor,
Color bgColor = defAvatarBgColor,
double avatarSize = defAvatarSize}) {
return rawAvatar != null && rawAvatar.isNotEmpty
? CircleAvatar(
radius: avatarSize, child: ClipOval(
child: Image.memory(
rawAvatar,
fit: BoxFit.cover,
)))
: CircularIcon(
iconData: Icons.person, backgroundColor: color, iconColor: bgColor);
}
String humanizeFromToPubKey(String publicAddress, String address) {
if (address == publicAddress) {
return tr('your_wallet');
} else {
return humanizePubKey(address);
}
}
String humanizeContact(String publicAddress, Contact contact,
[bool addKey = false]) {
if (contact.pubKey == publicAddress) {
return tr('your_wallet');
} else {
final String pubKey = humanizePubKey(contact.pubKey);
final bool titleNotTheSameAsPubKey = contact.title != pubKey;
return addKey && titleNotTheSameAsPubKey
? '${contact.title} ($pubKey)'
: titleNotTheSameAsPubKey
? contact.title
: pubKey;
}
}
String humanizePubKey(String address) => '\u{1F511} ${simplifyPubKey(address)}';
String simplifyPubKey(String address) =>
address.length <= 8 ? 'WRONG ADDRESS' : address.substring(0, 8);
Color tileColor(int index, BuildContext context, [bool inverse = false]) {
final ColorScheme colorScheme = Theme.of(context).colorScheme;
final Color selectedColor = colorScheme.primary.withOpacity(0.1);
final Color unselectedColor = colorScheme.surface;
return (inverse ? index.isOdd : index.isEven)
? selectedColor
: unselectedColor;
}
// https://github.com/andresaraujo/timeago.dart/pull/142#issuecomment-859661123
String? humanizeTime(DateTime time, String locale) =>
timeago.format(time.toUtc(), locale: locale, clock: DateTime.now().toUtc());
const bool txDebugging = false;
const int smallScreenWidth = 360;
bool bigScreen(BuildContext context) =>
MediaQuery.of(context).size.width > smallScreenWidth;
bool smallScreen(BuildContext context) =>
MediaQuery.of(context).size.width <= smallScreenWidth;
String _formatAmount(
{required String locale,
required double amount,
required bool isG1,
required bool useSymbol}) {
return formatAmountWithLocale(
locale: locale, amount: amount, isG1: isG1, useSymbol: useSymbol);
}
String formatAmountWithLocale( {required String locale,
required double amount,
required bool isG1,
required bool useSymbol}) {
final NumberFormat currencyFormatter =
currentNumberFormat(isG1: isG1, locale: locale, useSymbol: useSymbol);
return currencyFormatter.format(amount);
}
NumberFormat currentNumberFormat(
{required bool useSymbol, required bool isG1, required String locale}) {
final NumberFormat currencyFormatter = NumberFormat.currency(
symbol: useSymbol ? currentCurrency(isG1) : '',
locale: locale,
decimalDigits: isG1 ? 2 : 3,
);
return currencyFormatter;
}
String currentCurrency(bool isG1) {
return isG1 ? '${Currency.G1.name()} ' : '${Currency.DU.name()} ';
}
String currentCurrencyTrimmed(bool isG1) {
return currentCurrency(isG1).trim();
}
String formatKAmountInView(
{required BuildContext context,
required double amount,
required bool isG1,
required double currentUd,
required bool useSymbol}) =>
_formatAmount(
locale: currentLocale(context),
amount: convertAmount(isG1, amount, currentUd),
isG1: isG1,
useSymbol: useSymbol);
String formatKAmountInViewWithLocale(
{required String locale,
required double amount,
required bool isG1,
required double currentUd,
required bool useSymbol}) =>
_formatAmount(
locale: locale,
amount: convertAmount(isG1, amount, currentUd),
isG1: isG1,
useSymbol: useSymbol);
double convertAmount(bool isG1, double amount, double currentUd) =>
isG1 ? amount / 100 : ((amount / 100) / currentUd);
double parseToDoubleLocalized(
{required String locale, required String number}) =>
NumberFormat.decimalPattern(locale).parse(number).toDouble();
String localizeNumber(BuildContext context, double amount) =>
NumberFormat.decimalPattern(currentLocale(context)).format(amount);
Future<Contact> contactFromResultSearch(Map<String, dynamic> record) async {
final Map<String, dynamic> source = record['_source'] as Map<String, dynamic>;
final Uint8List? avatarBase64 = await _getAvatarFromResults(source);
return Contact(
pubKey: record['_id'] as String,
name: source['title'] as String,
avatar: avatarBase64);
}
Future<Uint8List?> _getAvatarFromResults(Map<String, dynamic> source) async {
Uint8List? avatarBase64;
if (source['avatar'] != null) {
final Map<String, dynamic> avatar =
source['avatar'] as Map<String, dynamic>;
avatarBase64 = imageFromBase64String(
'data:${avatar['_content_type']};base64,${avatar['_content']}');
}
if (avatarBase64 != null && avatarBase64.isNotEmpty) {
final Uint8List? avatarBase64resized = await resizeAvatar(avatarBase64);
return avatarBase64resized;
} else {
return null;
}
}
Future<Uint8List?> resizeAvatar(Uint8List avatarBase64) async {
final ByteData? bytes =
await resizeImage(avatarBase64, height: defAvatarSize.toInt() * 2);
return bytes != null ? Uint8List.view(bytes.buffer) : null;
}
final RegExp basicEnglishCharsRegExp =
RegExp(r'^[ A-Za-z0-9\s.;:!?()\-_;!@&<>%]*$');
void fetchTransactions(BuildContext context) {
final AppCubit appCubit = context.read<AppCubit>();
final TransactionCubit transCubit = context.read<TransactionCubit>();
final NodeListCubit nodeListCubit = context.read<NodeListCubit>();
transCubit.fetchTransactions(nodeListCubit, appCubit);
}
class SlidableContactTile extends StatefulWidget {
const SlidableContactTile(this.contact,
{super.key,
required this.index,
required this.context,
this.onTap,
this.onLongPress,
this.trailing});
@override
State<SlidableContactTile> createState() => _SlidableContactTile();
final Contact contact;
final int index;
final BuildContext context;
final VoidCallback? onTap;
final VoidCallback? onLongPress;
final Widget? trailing;
}
class _SlidableContactTile extends State<SlidableContactTile> {
@override
void initState() {
super.initState();
_start();
}
// Based in https://github.com/letsar/flutter_slidable/issues/288
Future<void> _start() async {
if (widget.index == 0 &&
!context.read<AppCubit>().wasTutorialShown(tutorialId)) {
await Future<void>.delayed(const Duration(seconds: 1));
if (!mounted) {
return;
}
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(tr('slidable_tutorial')), action: SnackBarAction(
label: 'OK',
onPressed: () {
ScaffoldMessenger.of(context).hideCurrentSnackBar();
context.read<AppCubit>().onFinishTutorial(tutorialId);
// context.read<AppCubit>().warningViewed();
},
),
),
);
final SlidableController? slidable = Slidable.of(context);
slidable?.openEndActionPane(
duration: const Duration(milliseconds: 300),
curve: Curves.decelerate,
);
Future<void>.delayed(const Duration(seconds: 1), () {
slidable?.close(
duration: const Duration(milliseconds: 300),
curve: Curves.bounceInOut,
);
});
}
}
static String tutorialId = 'slidable_tutorial';
@override
Widget build(_) =>
contactToListItem(widget.contact, widget.index, widget.context,
onTap: widget.onTap,
onLongPress: widget.onLongPress,
trailing: widget.trailing);
}
ListTile contactToListItem(Contact contact, int index, BuildContext context,
{VoidCallback? onTap, VoidCallback? onLongPress, Widget? trailing}) {
final String title = contact.title;
final Widget? subtitle =
contact.subtitle != null ? Text(contact.subtitle!) : null;
return ListTile(
title: Text(title),
subtitle: subtitle ?? Container(),
tileColor: tileColor(index, context),
onTap: onTap,
onLongPress: onLongPress,
leading: avatar(
contact.avatar,
bgColor: tileColor(index, context),
color: tileColor(index, context, true),
),
trailing: trailing);
}
bool showShare() => onlyInDevelopment || !kIsWeb;
bool get onlyInDevelopment => !inProduction;
bool get inDevelopment => !inProduction;
bool get onlyInProduction => kReleaseMode;
bool get inProduction => onlyInProduction;
String assets(String str) =>
(kIsWeb && kReleaseMode) || (!kIsWeb && Platform.isAndroid)
? 'assets/$str'
: str;
Future<Directory?> getAppSpecificExternalFilesDirectory(
[bool ext = false]) async {
if (ext) {
final Directory? appSpecificExternalFilesDir =
await getExternalStorageDirectory();
return appSpecificExternalFilesDir;
}
return getExternalStorageDirectory();
}
ImageIcon get g1nkgoIcon => ImageIcon(
AssetImage(ginkgoIconLocation),
size: 24,
);
String get ginkgoIconLocation => assets('img/favicon.png');
String capitalize(String s) => s[0].toUpperCase() + s.substring(1);
double calculate({required String textInTerminal, required String decimalSep}) {
String operation = textInTerminal;
double sum = 0.0;
operation = operation.replaceAll(
decimalSep, '.'); // change decimal separator to a dot
final RegExp regex = RegExp(r'[\d.]+'); // regular expression to find numbers
final Iterable<Match> matches =
regex.allMatches(operation); // find all numbers in the input
for (final Match? match in matches) {
try {
if (match != null) {
final String? g1 = match.group(0);
if (g1 != null) {
sum += double.parse(g1); // add the number to the sum
}
}
} catch (e) {
// could not convert the number to a double value, ignore it
}
}
// logger(numberFormat.format(sum)); // print the formatted sum
return sum;
}
String decimalSep(BuildContext context) {
return NumberFormat.decimalPattern(currentLocale(context))
.symbols
.DECIMAL_SEP;
}
Color selectedPatternLock() => Colors.red;
Color notSelectedPatternLock() => Colors.amber;
String ginkgoNetIcon =
'https://git.duniter.org/vjrj/ginkgo/-/raw/master/web/icons/favicon-32x32.png';
final GlobalKey<ScaffoldMessengerState> globalMessengerKey =
GlobalKey<ScaffoldMessengerState>();
const Color deleteColor = Color(0xFFFE4A49);
const Color positiveAmountColor = Colors.blue;
const Color negativeAmountColor = Colors.red;
bool isSymbolPlacementBefore(String pattern) {
final int symbolIndex = pattern.indexOf('\u00A4');
final int numberIndex = pattern.indexOf('#');
if (symbolIndex < numberIndex) {
return true;
} else { return false;
}
}
String currentLocale(BuildContext context) => context.locale.languageCode;
String? validateDecimal(
{required String sep, required String locale, required String? amount}) {
final NumberFormat format = NumberFormat.decimalPattern(locale);
if (amount == null || amount.isEmpty || amount.startsWith(sep)) {
return null;
}
try {
final num n = format.parse(amount);
if (n < 0) {
return tr('enter_a_positive_number');
}
final String formattedAmount = format.format(n);
if (formattedAmount != amount) {
return tr('enter_a_valid_number');
}
} catch (e) {
return tr('enter_a_valid_number');
}
return null;
}
Future<bool> openUrl(String url) async {
final Uri uri = Uri.parse(url);
return await canLaunchUrl(uri)
? await launchUrl(uri, mode: LaunchMode.externalNonBrowserApplication)
: throw Exception('Could not launch $url');
}
void showQrDialog({
required BuildContext context,
required String publicKey,
bool noTitle = false,
String? feedbackText,
}) {
showDialog(
context: context,
builder: (BuildContext context) {
return Dialog(
child: SingleChildScrollView(
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
SizedBox(
height: MediaQuery.of(context).size.width * 0.8,
child: Padding(
padding: const EdgeInsets.all(16.0),
child: GestureDetector(
onTap: () => copyPublicKeyToClipboard(
context, publicKey, feedbackText),
child: Container(
color: Theme.of(context).brightness == Brightness.dark
? Colors.grey[900]
: Colors.grey[100],
padding: const EdgeInsets.all(16.0),
child: Column(
children: <Widget>[
if (!noTitle) Text(tr('show_qr_to_client')),
if (!noTitle) const SizedBox(height: 10),
Expanded(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
QrImage(
data: publicKey, //roundEdges: true,
// image: const AssetImage(
// 'assets/img/gbrevedot_color.png'),
size: MediaQuery.of(context).size.width * 0.5,
gapless: false,
foregroundColor:
Theme.of(context).brightness ==
Brightness.dark
? Colors.white
: Colors.black,
)
])),
],
),
),
),
),
),
Padding(
padding: const EdgeInsets.all(12.0),
child: TextFormField(
maxLines: 2,
initialValue: publicKey,
readOnly: true,
decoration: InputDecoration(
suffixIcon: IconButton(
icon: const Icon(Icons.content_copy),
onPressed: () {
copyPublicKeyToClipboard(
context, publicKey, feedbackText);
},
),
),
),
),
const SizedBox(height: 20),
],
),
),
);
},
);
}
bool get isIOS => !kIsWeb && Platform.isIOS;
const String userNameSuffix = ' ❥';