Files
note-book/frontend/lib/screens/add_bill/add_bill_screen.dart
2026-05-19 11:46:42 +08:00

399 lines
14 KiB
Dart

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