9cec464868
- estimate_screen.dart: /S1. 見積入力 - invoice_screen.dart: /S2. 請求書入力 - order_screen.dart: /S3. 受発注入力 - sales_return_screen.dart: /S5. 売上返品入力 - sales_screen.dart: /S4. 売上入力（レジ） - product_master_screen.dart: /M1. 商品マスタ - customer_master_screen.dart: /M2. 得意先マスタ - supplier_master_screen.dart: /M3. 仕入先マスタ - warehouse_master_screen.dart: /M4. 倉庫マスタ - employee_master_screen.dart: /M5. 担当者マスタ README.md にも画面 ID マッピングを明記
103 lines
No EOL
3.3 KiB
Dart
103 lines
No EOL
3.3 KiB
Dart
// Version: 1.5 - 請求画面（簡易実装）
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import 'package:flutter/material.dart';
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import '../models/customer.dart';
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import '../models/product.dart';
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import '../services/database_helper.dart';
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/// 請求書作成・管理画面（簡易実装）
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class InvoiceScreen extends StatefulWidget {
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const InvoiceScreen({super.key});
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@override
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State<InvoiceScreen> createState() => _InvoiceScreenState();
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}
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class _InvoiceScreenState extends State<InvoiceScreen> {
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final _db = DatabaseHelper.instance;
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// UI ステート
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Customer? _selectedCustomer;
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List<Customer> _customers = [];
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String _invoiceNumber = '';
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@override
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void initState() {
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super.initState();
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_loadCustomers();
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_generateInvoiceNumber();
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}
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/// 得意先一覧をロード
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Future<void> _loadCustomers() async {
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final customers = await DatabaseHelper.instance.getCustomers();
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setState(() => _customers = customers);
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}
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/// 請求書番号を自動生成（YMM-0001 形式）
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void _generateInvoiceNumber() {
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final now = DateTime.now();
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final yearMonth = '${now.year}${now.month.toString().padLeft(2, '0')}';
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final nextNumber = '0001';
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setState(() => _invoiceNumber = '$yearMonth-$nextNumber');
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}
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/// 請求書保存処理（簡易）
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Future<void> _saveInvoice(Map<String, dynamic> invoiceData) async {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('請求書保存しました')),
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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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return Scaffold(
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appBar: AppBar(title: const Text('/S2. 請求書')),
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body: _selectedCustomer == null
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? const Center(child: Text('得意先を選択してください'))
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: SingleChildScrollView(
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// 請求書番号表示
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ListTile(
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contentPadding: EdgeInsets.zero,
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title: const Text('請求書番号'),
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subtitle: Text(_invoiceNumber),
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),
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const Divider(),
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// 合計金額表示
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Card(
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child: ListTile(
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contentPadding: EdgeInsets.zero,
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title: const Text('請求書合計'),
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subtitle: const Text('¥0.00'),
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trailing: IconButton(icon: const Icon(Icons.edit), onPressed: () {}),
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),
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),
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const SizedBox(height: 16),
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// PDF 帳票出力ボタン（簡易）
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TextButton.icon(
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onPressed: () {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('PDF 帳票生成中...')),
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);
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},
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icon: const Icon(Icons.download),
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label: const Text('PDF をダウンロード'),
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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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} |