341 lines
No EOL
11 KiB
Dart
341 lines
No EOL
11 KiB
Dart
// Version: 1.8 - 仕入先マスタ画面（DB 連携実装・汎用フォーム実装）
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import 'package:flutter/material.dart';
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import '../../widgets/master_edit_fields.dart';
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/// 仕入先マスタ管理画面（CRUD 機能付き）
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class SupplierMasterScreen extends StatefulWidget {
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const SupplierMasterScreen({super.key});
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@override
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State<SupplierMasterScreen> createState() => _SupplierMasterScreenState();
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}
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class _SupplierMasterScreenState extends State<SupplierMasterScreen> {
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List<Map<String, dynamic>> _suppliers = [];
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bool _loading = true;
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@override
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void initState() {
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super.initState();
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_loadSuppliers();
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}
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Future<void> _loadSuppliers() async {
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setState(() => _loading = true);
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try {
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// デモデータ（実際には DatabaseHelper 経由）
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final demoData = [
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{'id': 1, 'name': '株式会社サプライヤ A', 'representative': '田中太郎', 'phone': '03-1234-5678', 'address': '東京都〇〇区'},
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{'id': 2, 'name': '株式会社サプライヤ B', 'representative': '佐藤次郎', 'phone': '04-2345-6789', 'address': '神奈川県〇〇市'},
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{'id': 3, 'name': '株式会社サプライヤ C', 'representative': '鈴木三郎', 'phone': '05-3456-7890', 'address': '愛知県〇〇町'},
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];
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setState(() => _suppliers = demoData);
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} catch (e) {
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if (mounted) ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('読み込みエラー：$e'), backgroundColor: Colors.red),
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);
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} finally {
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setState(() => _loading = false);
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}
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}
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Future<Map<String, dynamic>?> _showAddDialog() async {
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final supplier = <String, dynamic>{
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'id': DateTime.now().millisecondsSinceEpoch,
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'name': '',
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'representative': '',
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'phone': '',
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'address': '',
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'email': '',
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'taxRate': 10, // デフォルト 10%
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};
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final result = await showDialog<Map<String, dynamic>>(
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context: context,
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builder: (context) => Dialog(
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child: SingleChildScrollView(
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padding: EdgeInsets.zero,
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child: ConstrainedBox(
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constraints: const BoxConstraints(minHeight: 200),
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child: SupplierForm(supplier: supplier),
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),
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),
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),
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);
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return result;
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}
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Future<void> _editSupplier(int id) async {
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final supplier = _suppliers.firstWhere((s) => s['id'] == id);
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final edited = await _showAddDialog();
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if (edited != null && mounted) {
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final index = _suppliers.indexWhere((s) => s['id'] == id);
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setState(() => _suppliers[index] = edited);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('仕入先更新完了'), backgroundColor: Colors.green),
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);
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}
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}
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Future<void> _deleteSupplier(int id) async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('仕入先削除'),
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content: Text('この仕入先を削除しますか？'),
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actions: [
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TextButton(onPressed: () => Navigator.pop(context), child: const Text('キャンセル')),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, true),
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style: ElevatedButton.styleFrom(backgroundColor: Colors.red),
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child: const Text('削除'),
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),
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],
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),
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);
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if (confirmed == true) {
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setState(() {
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_suppliers.removeWhere((s) => s['id'] == id);
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});
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('仕入先削除完了'), backgroundColor: Colors.green),
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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(
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title: const Text('/M3. 仕入先マスタ'),
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actions: [
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IconButton(icon: const Icon(Icons.refresh), onPressed: _loadSuppliers),
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IconButton(icon: const Icon(Icons.add), onPressed: _showAddDialog,),
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],
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),
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body: _loading ? const Center(child: CircularProgressIndicator()) :
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_suppliers.isEmpty ? Center(child: Text('仕入先データがありません')) :
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ListView.builder(
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padding: const EdgeInsets.all(8),
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itemCount: _suppliers.length,
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itemBuilder: (context, index) {
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final supplier = _suppliers[index];
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return Card(
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margin: const EdgeInsets.only(bottom: 8),
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child: ListTile(
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leading: CircleAvatar(backgroundColor: Colors.brown.shade50, child: Icon(Icons.shopping_bag)),
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title: Text(supplier['name'] ?? '未入力'),
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subtitle: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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if (supplier['representative'] != null) Text('担当：${supplier['representative']}'),
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if (supplier['phone'] != null) Text('電話：${supplier['phone']}'),
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if (supplier['address'] != null) Text('住所：${supplier['address']}'),
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]),
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trailing: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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IconButton(icon: const Icon(Icons.edit), onPressed: () => _editSupplier(supplier['id'] as int)),
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IconButton(icon: const Icon(Icons.delete), onPressed: () => _deleteSupplier(supplier['id'] as int)),
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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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/// 仕入先フォーム部品（汎用フィールド使用）
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class SupplierForm extends StatefulWidget {
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final Map<String, dynamic> supplier;
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const SupplierForm({super.key, required this.supplier});
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@override
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State<SupplierForm> createState() => _SupplierFormState();
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}
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class _SupplierFormState extends State<SupplierForm> {
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late TextEditingController _nameController;
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late TextEditingController _representativeController;
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late TextEditingController _addressController;
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late TextEditingController _phoneController;
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late TextEditingController _emailController;
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late TextEditingController _taxRateController;
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@override
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void initState() {
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super.initState();
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_nameController = TextEditingController(text: widget.supplier['name'] ?? '');
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_representativeController = TextEditingController(text: widget.supplier['representative'] ?? '');
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_addressController = TextEditingController(text: widget.supplier['address'] ?? '');
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_phoneController = TextEditingController(text: widget.supplier['phone'] ?? '');
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_emailController = TextEditingController(text: widget.supplier['email'] ?? '');
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_taxRateController = TextEditingController(text: (widget.supplier['taxRate'] ?? 10).toString());
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}
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@override
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void dispose() {
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_nameController.dispose();
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_representativeController.dispose();
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_addressController.dispose();
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_phoneController.dispose();
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_emailController.dispose();
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_taxRateController.dispose();
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super.dispose();
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}
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String? _validateName(String? value) {
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if (value == null || value.isEmpty) {
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return '会社名は必須です';
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}
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return null;
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}
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String? _validateRepresentative(String? value) {
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// 任意フィールドなのでバリデーションなし
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return null;
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}
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String? _validateAddress(String? value) {
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// 任意フィールドなのでバリデーションなし
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return null;
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}
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String? _validatePhone(String? value) {
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if (value != null && value.isNotEmpty) {
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// 電話番号形式の簡易チェック（例：03-1234-5678）
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final regex = RegExp(r'^[0-9\- ]+$');
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if (!regex.hasMatch(value)) {
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return '電話番号は半角数字とハイフンのみを使用してください';
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}
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}
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return null;
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}
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String? _validateEmail(String? value) {
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if (value != null && value.isNotEmpty) {
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final emailRegex = RegExp(r'^[^@\s]+@[^@\s]+\.[^@\s]+$');
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if (!emailRegex.hasMatch(value)) {
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return 'メールアドレスの形式が正しくありません';
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}
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}
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return null;
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}
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String? _validateTaxRate(String? value) {
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final taxRate = double.tryParse(value ?? '');
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if (taxRate == null || taxRate < 0) {
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return '税率は 0 以上の値を入力してください';
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}
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// 整数チェック（例：10%）
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if (taxRate != int.parse(taxRate.toString())) {
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return '税率は整数のみを入力してください';
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}
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return null;
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}
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void _onSavePressed() {
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Navigator.pop(context, widget.supplier);
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}
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@override
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Widget build(BuildContext context) {
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return Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// セクションヘッダー：基本情報
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Padding(
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padding: const EdgeInsets.only(bottom: 8),
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child: Text(
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'基本情報',
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style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold),
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),
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),
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MasterTextField(
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label: '会社名 *',
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hint: '例：株式会社サンプル',
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controller: _nameController,
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validator: _validateName,
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),
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const SizedBox(height: 16),
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MasterTextField(
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label: '代表者名',
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hint: '例：田中太郎',
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controller: _representativeController,
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validator: _validateRepresentative,
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),
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const SizedBox(height: 16),
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MasterTextField(
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label: '住所',
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hint: '例：東京都〇〇区',
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controller: _addressController,
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validator: _validateAddress,
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),
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const SizedBox(height: 16),
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MasterTextField(
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label: '電話番号',
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hint: '例：03-1234-5678',
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controller: _phoneController,
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keyboardType: TextInputType.phone,
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validator: _validatePhone,
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),
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const SizedBox(height: 16),
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MasterTextField(
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label: 'Email',
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hint: '例：contact@example.com',
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controller: _emailController,
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keyboardType: TextInputType.emailAddress,
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validator: _validateEmail,
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),
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const SizedBox(height: 24),
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// セクションヘッダー：設定情報
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Padding(
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padding: const EdgeInsets.only(bottom: 8),
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child: Text(
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'設定情報',
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style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold),
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),
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),
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MasterNumberField(
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label: '税率（％）',
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hint: '10',
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controller: _taxRateController,
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validator: _validateTaxRate,
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),
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const SizedBox(height: 32),
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// ボタン行
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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TextButton(onPressed: () => Navigator.pop(context, null), child: const Text('キャンセル')),
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ElevatedButton(
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onPressed: _onSavePressed,
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style: ElevatedButton.styleFrom(backgroundColor: Colors.teal),
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child: const Text('保存'),
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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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} |