82 lines
2.2 KiB
Dart
82 lines
2.2 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:pshared/provider/payment/amount.dart';
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import 'package:pshared/utils/currency.dart';
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import 'package:pshared/utils/money.dart';
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import 'package:pweb/generated/i18n/app_localizations.dart';
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class PaymentAmountWidget extends StatefulWidget {
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const PaymentAmountWidget({super.key});
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@override
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State<PaymentAmountWidget> createState() => _PaymentAmountWidgetState();
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}
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class _PaymentAmountWidgetState extends State<PaymentAmountWidget> {
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late final TextEditingController _controller;
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bool _isSyncingText = false;
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@override
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void initState() {
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super.initState();
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final initialAmount = context.read<PaymentAmountProvider>().amount;
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_controller = TextEditingController(text: amountToString(initialAmount));
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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double? _parseAmount(String value) {
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final parsed = parseMoneyAmount(
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value.replaceAll(',', '.'),
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fallback: double.nan,
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);
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return parsed.isNaN ? null : parsed;
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}
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void _syncTextWithAmount(double amount) {
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final parsedText = _parseAmount(_controller.text);
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if (parsedText != null && parsedText == amount) return;
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final nextText = amountToString(amount);
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_isSyncingText = true;
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_controller.value = TextEditingValue(
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text: nextText,
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selection: TextSelection.collapsed(offset: nextText.length),
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);
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_isSyncingText = false;
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}
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void _onChanged(String value) {
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if (_isSyncingText) return;
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final parsed = _parseAmount(value);
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if (parsed != null) {
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context.read<PaymentAmountProvider>().setAmount(parsed);
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}
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}
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@override
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Widget build(BuildContext context) {
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final amount = context.select<PaymentAmountProvider, double>((provider) => provider.amount);
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_syncTextWithAmount(amount);
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return TextField(
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controller: _controller,
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keyboardType: const TextInputType.numberWithOptions(decimal: true),
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decoration: InputDecoration(
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labelText: AppLocalizations.of(context)!.amount,
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border: const OutlineInputBorder(),
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),
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onChanged: _onChanged,
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);
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}
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}
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