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399
frontend/lib/screens/add_bill/add_bill_screen.dart
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399
frontend/lib/screens/add_bill/add_bill_screen.dart
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../constants.dart';
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import '../../providers/bill_provider.dart';
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import '../../theme/colors.dart';
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import '../../widgets/number_pad.dart';
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import '../../widgets/category_grid.dart';
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class AddBillScreen extends ConsumerStatefulWidget {
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const AddBillScreen({super.key});
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@override
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ConsumerState<AddBillScreen> createState() => _AddBillScreenState();
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}
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class _AddBillScreenState extends ConsumerState<AddBillScreen> {
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bool _isExpense = true;
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String _amount = '0';
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String _category = '餐饮';
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String _note = '';
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DateTime _selectedDate = DateTime.now();
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bool _addToFamily = false;
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void _onKeyTap(String key) {
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setState(() {
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if (key == 'delete') {
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if (_amount.length > 1) {
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_amount = _amount.substring(0, _amount.length - 1);
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} else {
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_amount = '0';
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}
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} else if (key == '.') {
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if (!_amount.contains('.')) {
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_amount += '.';
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}
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} else {
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if (_amount == '0') {
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_amount = key;
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} else {
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// Limit to 2 decimal places
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final parts = _amount.split('.');
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if (parts.length == 2 && parts[1].length >= 2) {
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return;
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}
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// Limit total length
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if (_amount.length >= 10) {
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return;
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}
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_amount += key;
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}
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}
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});
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}
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String get _displayAmount {
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final value = double.tryParse(_amount) ?? 0;
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if (value == value.roundToDouble() && !_amount.contains('.')) {
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return value.toInt().toString();
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}
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return _amount;
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}
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Future<void> _selectDate() async {
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final picked = await showDatePicker(
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context: context,
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initialDate: _selectedDate,
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firstDate: DateTime(2020),
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lastDate: DateTime.now().add(const Duration(days: 365)),
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builder: (context, child) {
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return Theme(
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data: Theme.of(context).copyWith(
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colorScheme: const ColorScheme.light(
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primary: AppColors.brand,
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onPrimary: Colors.white,
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surface: Colors.white,
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onSurface: AppColors.textPrimary,
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),
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),
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child: child!,
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);
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},
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);
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if (picked != null) {
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setState(() {
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_selectedDate = picked;
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});
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}
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}
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Future<void> _saveBill() async {
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final amountValue = double.tryParse(_amount);
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if (amountValue == null || amountValue <= 0) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('请输入有效金额')),
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);
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return;
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}
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final data = {
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'type': _isExpense ? 'expense' : 'income',
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'amount': amountValue,
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'category': _category,
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'note': _note,
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'emoji': AppConstants.categoryEmoji(_category),
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'date': '${_selectedDate.year}-${_selectedDate.month.toString().padLeft(2, '0')}-${_selectedDate.day.toString().padLeft(2, '0')}',
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'time': '${DateTime.now().hour.toString().padLeft(2, '0')}:${DateTime.now().minute.toString().padLeft(2, '0')}',
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'familyId': _addToFamily ? 'default' : null,
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};
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final success = await ref.read(billProvider.notifier).addBill(data);
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if (mounted) {
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if (success) {
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Navigator.of(context).pop(true);
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('保存失败')),
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);
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}
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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 categories = _isExpense
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? AppConstants.expenseCategories
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: AppConstants.incomeCategories;
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// Set default category based on type
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if (_isExpense && _category == '工资') {
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_category = '餐饮';
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} else if (!_isExpense && _category == '餐饮') {
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_category = '工资';
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}
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return Scaffold(
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backgroundColor: AppColors.pageBg,
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body: SafeArea(
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child: Column(
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children: [
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// Header
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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IconButton(
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onPressed: () => Navigator.of(context).pop(),
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icon: const Icon(Icons.close, size: 28),
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color: AppColors.textPrimary,
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),
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const Text(
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'添加账单',
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style: TextStyle(
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fontSize: 17,
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fontWeight: FontWeight.w600,
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color: AppColors.textPrimary,
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),
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),
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TextButton(
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onPressed: _saveBill,
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child: const Text(
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'保存',
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style: TextStyle(
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fontSize: 17,
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fontWeight: FontWeight.w600,
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color: AppColors.brand,
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),
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),
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),
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],
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),
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),
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// iOS Segment Control
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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child: Container(
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height: 36,
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decoration: BoxDecoration(
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color: Colors.white.withOpacity(0.7),
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borderRadius: BorderRadius.circular(8),
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),
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child: Row(
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children: [
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Expanded(
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child: GestureDetector(
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onTap: () => setState(() {
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_isExpense = true;
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_category = '餐饮';
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}),
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child: Container(
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decoration: BoxDecoration(
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color: _isExpense ? AppColors.expense : Colors.transparent,
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borderRadius: BorderRadius.circular(8),
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),
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child: Center(
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child: Text(
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'支出',
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style: TextStyle(
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fontSize: 15,
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fontWeight: FontWeight.w600,
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color: _isExpense ? Colors.white : AppColors.textSecondary,
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),
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),
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),
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),
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),
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),
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Expanded(
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child: GestureDetector(
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onTap: () => setState(() {
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_isExpense = false;
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_category = '工资';
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}),
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child: Container(
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decoration: BoxDecoration(
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color: !_isExpense ? AppColors.income : Colors.transparent,
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borderRadius: BorderRadius.circular(8),
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),
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child: Center(
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child: Text(
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'收入',
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style: TextStyle(
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fontSize: 15,
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fontWeight: FontWeight.w600,
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color: !_isExpense ? Colors.white : AppColors.textSecondary,
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),
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),
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),
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),
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),
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),
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],
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),
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),
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),
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// Amount Display
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Padding(
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padding: const EdgeInsets.symmetric(vertical: 20),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.baseline,
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textBaseline: TextBaseline.alphabetic,
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children: [
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const Text(
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'¥',
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style: TextStyle(
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fontSize: 28,
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fontWeight: FontWeight.w500,
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color: AppColors.textPrimary,
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),
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),
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const SizedBox(width: 4),
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Text(
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_displayAmount,
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style: const TextStyle(
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fontSize: 48,
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fontWeight: FontWeight.bold,
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color: AppColors.textPrimary,
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),
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),
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],
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),
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),
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// Category Grid
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: CategoryGrid(
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categories: categories,
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selected: _category,
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onSelect: (cat) => setState(() => _category = cat),
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),
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),
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const SizedBox(height: 16),
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// Note Input
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
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decoration: BoxDecoration(
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color: Colors.white.withOpacity(0.65),
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borderRadius: BorderRadius.circular(12),
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),
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child: Row(
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children: [
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const Icon(Icons.edit_note, color: AppColors.textSecondary, size: 20),
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const SizedBox(width: 8),
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Expanded(
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child: TextField(
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onChanged: (v) => _note = v,
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style: const TextStyle(
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fontSize: 15,
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color: AppColors.textPrimary,
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),
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decoration: const InputDecoration(
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hintText: '添加备注',
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hintStyle: TextStyle(
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color: AppColors.textSecondary,
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fontSize: 15,
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),
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border: InputBorder.none,
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isDense: true,
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contentPadding: EdgeInsets.zero,
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),
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),
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),
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],
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),
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),
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),
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const SizedBox(height: 12),
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// Date Picker & Family Toggle
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: Row(
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children: [
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// Date Picker
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Expanded(
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child: GestureDetector(
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onTap: _selectDate,
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
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decoration: BoxDecoration(
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color: Colors.white.withOpacity(0.65),
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borderRadius: BorderRadius.circular(12),
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),
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child: Row(
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children: [
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const Icon(Icons.calendar_today, color: AppColors.textSecondary, size: 18),
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const SizedBox(width: 8),
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Text(
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'${_selectedDate.year}-${_selectedDate.month.toString().padLeft(2, '0')}-${_selectedDate.day.toString().padLeft(2, '0')}',
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style: const TextStyle(
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fontSize: 15,
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color: AppColors.textPrimary,
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),
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),
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],
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),
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),
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),
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),
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const SizedBox(width: 12),
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// Family Toggle
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GestureDetector(
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onTap: () => setState(() => _addToFamily = !_addToFamily),
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
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decoration: BoxDecoration(
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color: _addToFamily
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? AppColors.brand.withOpacity(0.1)
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: Colors.white.withOpacity(0.65),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(
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color: _addToFamily ? AppColors.brand : Colors.white.withOpacity(0.5),
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width: 1,
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),
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),
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child: Row(
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children: [
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Icon(
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Icons.family_restroom,
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color: _addToFamily ? AppColors.brand : AppColors.textSecondary,
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size: 18,
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),
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const SizedBox(width: 6),
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Text(
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'家庭账本',
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style: TextStyle(
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fontSize: 14,
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fontWeight: _addToFamily ? FontWeight.w600 : FontWeight.w500,
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color: _addToFamily ? AppColors.brand : AppColors.textSecondary,
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),
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),
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],
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),
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),
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),
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],
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),
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),
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const Spacer(),
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// Number Pad
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NumberPad(onKeyTap: _onKeyTap),
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const SizedBox(height: 20),
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],
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),
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),
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);
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}
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}
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