Dmitry
62d36aa3e8
Тема и общие виджеты (AssetIcon, ServiceMark, HelpTip, глоссарий), верхняя панель TopNav и вкладки Аналитики вместо NavSidebar, иконки PWA. Экраны: портфели, создание брокерского счёта, ручное событие, правка инструмента, Обзор карточками по скоупам и таблица активов, пересчёт метрик с опросом /metrics/status. design-system.md обновлён.
35 lines
1.2 KiB
Dart
35 lines
1.2 KiB
Dart
import 'package:decimal/decimal.dart';
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import 'package:flutter/material.dart';
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import 'package:intl/intl.dart';
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/// Currency symbols for the instruments we expect to see. Falls back to the
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/// ISO code itself (e.g. 'USDT') when we don't have a nicer glyph.
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const _currencySymbols = {'RUB': '₽', 'USD': '\$', 'EUR': '€'};
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/// Formats a decimal-string amount (as the API sends it, to avoid double
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/// rounding errors) with `intl`'s ru_RU rules and a currency symbol.
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class MoneyText extends StatelessWidget {
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const MoneyText(this.amount, {required this.currency, super.key, this.style});
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/// The amount as a string, e.g. `'1234.5'` — never a [double].
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final String amount;
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final String currency;
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final TextStyle? style;
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static String format(String amount, String currency) {
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final value = Decimal.parse(amount).toDouble();
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final symbol = _currencySymbols[currency] ?? currency;
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final formatter = NumberFormat.currency(
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locale: 'ru_RU',
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symbol: symbol,
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decimalDigits: 2,
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);
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return formatter.format(value);
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}
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@override
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Widget build(BuildContext context) {
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return Text(format(amount, currency), style: style);
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}
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}
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