472 lines
16 KiB
Dart
472 lines
16 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:intl/intl.dart';
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import 'package:share_plus/share_plus.dart';
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import 'package:open_filex/open_filex.dart';
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import '../models/invoice_models.dart';
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import '../services/pdf_generator.dart';
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import '../services/invoice_repository.dart';
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import '../services/customer_repository.dart';
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import '../services/company_repository.dart';
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import 'product_picker_modal.dart';
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import 'package:print_bluetooth_thermal/print_bluetooth_thermal.dart';
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import '../services/print_service.dart';
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import '../models/company_model.dart';
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class InvoiceDetailPage extends StatefulWidget {
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final Invoice invoice;
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final bool isUnlocked;
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const InvoiceDetailPage({Key? key, required this.invoice, this.isUnlocked = false}) : super(key: key);
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@override
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State<InvoiceDetailPage> createState() => _InvoiceDetailPageState();
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}
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class _InvoiceDetailPageState extends State<InvoiceDetailPage> {
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late TextEditingController _formalNameController;
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late TextEditingController _notesController;
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late List<InvoiceItem> _items;
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late bool _isEditing;
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late Invoice _currentInvoice;
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String? _currentFilePath;
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final _invoiceRepo = InvoiceRepository();
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final _customerRepo = CustomerRepository();
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final _companyRepo = CompanyRepository();
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CompanyInfo? _companyInfo;
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@override
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void initState() {
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super.initState();
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_currentInvoice = widget.invoice;
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_currentFilePath = widget.invoice.filePath;
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_formalNameController = TextEditingController(text: _currentInvoice.customer.formalName);
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_notesController = TextEditingController(text: _currentInvoice.notes ?? "");
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_items = List.from(_currentInvoice.items);
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_isEditing = false;
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_loadCompanyInfo();
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}
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Future<void> _loadCompanyInfo() async {
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final info = await _companyRepo.getCompanyInfo();
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setState(() => _companyInfo = info);
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}
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@override
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void dispose() {
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_formalNameController.dispose();
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_notesController.dispose();
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super.dispose();
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}
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void _addItem() {
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setState(() {
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_items.add(InvoiceItem(description: "新項目", quantity: 1, unitPrice: 0));
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});
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}
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void _removeItem(int index) {
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setState(() {
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_items.removeAt(index);
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});
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}
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void _pickFromMaster() {
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showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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backgroundColor: Colors.transparent,
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builder: (context) => FractionallySizedBox(
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heightFactor: 0.9,
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child: ProductPickerModal(
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onItemSelected: (item) {
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setState(() {
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_items.add(item);
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});
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Navigator.pop(context);
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},
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),
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),
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);
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}
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Future<void> _saveChanges() async {
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final String formalName = _formalNameController.text.trim();
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if (formalName.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('取引先の正式名称を入力してください')),
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);
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return;
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}
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// 顧客情報を更新
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final updatedCustomer = _currentInvoice.customer.copyWith(
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formalName: formalName,
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);
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final updatedInvoice = _currentInvoice.copyWith(
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customer: updatedCustomer,
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items: _items,
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notes: _notesController.text,
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);
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// データベースに保存
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await _invoiceRepo.saveInvoice(updatedInvoice);
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// 顧客の正式名称が変更されている可能性があるため、マスターも更新
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if (updatedCustomer.formalName != widget.invoice.customer.formalName) {
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await _customerRepo.saveCustomer(updatedCustomer);
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}
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setState(() => _isEditing = false);
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final newPath = await generateInvoicePdf(updatedInvoice);
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if (newPath != null) {
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final finalInvoice = updatedInvoice.copyWith(filePath: newPath);
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await _invoiceRepo.saveInvoice(finalInvoice); // パスを更新して再保存
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setState(() {
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_currentInvoice = finalInvoice;
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_currentFilePath = newPath;
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});
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('データベースとPDFを更新しました')),
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);
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}
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}
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void _exportCsv() {
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final csvData = _currentInvoice.toCsv();
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Share.share(csvData, subject: '請求書データ_CSV');
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}
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Future<void> _printReceipt() async {
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final printService = PrintService();
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final isConnected = await printService.isConnected;
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if (!isConnected) {
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final devices = await printService.getPairedDevices();
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if (devices.isEmpty) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text("ペアリング済みのデバイスが見つかりません。OSの設定を確認してください。")));
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return;
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}
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final selected = await showDialog<BluetoothInfo>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text("プリンターを選択"),
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content: SizedBox(
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width: double.maxFinite,
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child: ListView.builder(
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shrinkWrap: true,
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itemCount: devices.length,
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itemBuilder: (context, idx) => ListTile(
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leading: const Icon(Icons.print),
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title: Text(devices[idx].name ?? "Unknown Device"),
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subtitle: Text(devices[idx].macAdress ?? ""),
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onTap: () => Navigator.pop(context, devices[idx]),
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),
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),
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),
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),
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);
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if (selected != null) {
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final ok = await printService.connect(selected.macAdress!);
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if (!ok) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text("接続に失敗しました。")));
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return;
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}
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} else {
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return;
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}
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}
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final success = await printService.printReceipt(_currentInvoice);
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if (!mounted) return;
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if (success) {
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ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text("レシートを印刷しました。")));
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} else {
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ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text("印刷エラーが発生しました。")));
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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 amountFormatter = NumberFormat("#,###");
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return Scaffold(
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appBar: AppBar(
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title: const Text("販売アシスト1号 請求書詳細"),
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backgroundColor: Colors.blueGrey,
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actions: [
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if (!_isEditing) ...[
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IconButton(icon: const Icon(Icons.grid_on), onPressed: _exportCsv, tooltip: "CSV出力"),
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if (widget.isUnlocked)
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IconButton(icon: const Icon(Icons.edit), onPressed: () => setState(() => _isEditing = true)),
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] else ...[
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IconButton(icon: const Icon(Icons.save), onPressed: _saveChanges),
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IconButton(icon: const Icon(Icons.cancel), onPressed: () => setState(() => _isEditing = false)),
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]
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],
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),
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body: SingleChildScrollView(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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_buildHeaderSection(),
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const Divider(height: 32),
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const Text("明細一覧", style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold)),
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const SizedBox(height: 8),
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_buildItemTable(amountFormatter),
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if (_isEditing)
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Padding(
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padding: const EdgeInsets.only(top: 8.0),
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child: Wrap(
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spacing: 12,
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runSpacing: 8,
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children: [
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ElevatedButton.icon(
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onPressed: _addItem,
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icon: const Icon(Icons.add),
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label: const Text("空の行を追加"),
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),
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ElevatedButton.icon(
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onPressed: _pickFromMaster,
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icon: const Icon(Icons.list_alt),
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label: const Text("マスターから選択"),
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.blueGrey.shade700,
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foregroundColor: Colors.white,
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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: 24),
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_buildSummarySection(amountFormatter),
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const SizedBox(height: 24),
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_buildFooterActions(),
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],
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),
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),
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);
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}
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Widget _buildHeaderSection() {
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final dateFormatter = DateFormat('yyyy年MM月dd日');
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (_isEditing) ...[
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TextField(
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controller: _formalNameController,
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decoration: const InputDecoration(labelText: "取引先 正式名称", border: OutlineInputBorder()),
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),
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const SizedBox(height: 12),
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TextField(
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controller: _notesController,
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maxLines: 2,
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decoration: const InputDecoration(labelText: "備考", border: OutlineInputBorder()),
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),
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] else ...[
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Text("${_currentInvoice.customerNameForDisplay} ${_currentInvoice.customer.title}",
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style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold)),
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if (_currentInvoice.customer.department != null && _currentInvoice.customer.department!.isNotEmpty)
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Text(_currentInvoice.customer.department!, style: const TextStyle(fontSize: 16)),
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const SizedBox(height: 4),
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Text("請求番号: ${_currentInvoice.invoiceNumber}"),
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Text("発行日: ${dateFormatter.format(_currentInvoice.date)}"),
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if (_currentInvoice.latitude != null)
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Padding(
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padding: const EdgeInsets.only(top: 4.0),
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child: Row(
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children: [
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const Icon(Icons.location_on, size: 14, color: Colors.blueGrey),
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const SizedBox(width: 4),
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Text("座標: ${_currentInvoice.latitude!.toStringAsFixed(4)}, ${_currentInvoice.longitude!.toStringAsFixed(4)}",
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style: const TextStyle(fontSize: 12, color: Colors.blueGrey)),
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],
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),
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),
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if (_currentInvoice.notes?.isNotEmpty ?? false) ...[
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const SizedBox(height: 8),
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Text("備考: ${_currentInvoice.notes}", style: const TextStyle(color: Colors.black87)),
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]
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],
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],
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);
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}
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Widget _buildItemTable(NumberFormat formatter) {
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return Table(
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border: TableBorder.all(color: Colors.grey.shade300),
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columnWidths: const {
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0: FlexColumnWidth(4),
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1: FixedColumnWidth(50),
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2: FixedColumnWidth(80),
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3: FlexColumnWidth(2),
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4: FixedColumnWidth(40),
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},
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defaultVerticalAlignment: TableCellVerticalAlignment.middle,
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children: [
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TableRow(
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decoration: BoxDecoration(color: Colors.grey.shade100),
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children: const [
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_TableCell("品名"), _TableCell("数量"), _TableCell("単価"), _TableCell("金額"), _TableCell(""),
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],
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),
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..._items.asMap().entries.map((entry) {
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int idx = entry.key;
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InvoiceItem item = entry.value;
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if (_isEditing) {
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return TableRow(children: [
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_EditableCell(
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initialValue: item.description,
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onChanged: (val) => item.description = val,
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),
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_EditableCell(
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initialValue: item.quantity.toString(),
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keyboardType: TextInputType.number,
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onChanged: (val) => setState(() => item.quantity = int.tryParse(val) ?? 0),
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),
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_EditableCell(
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initialValue: item.unitPrice.toString(),
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keyboardType: TextInputType.number,
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onChanged: (val) => setState(() => item.unitPrice = int.tryParse(val) ?? 0),
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),
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_TableCell(formatter.format(item.subtotal)),
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IconButton(icon: const Icon(Icons.delete, size: 20, color: Colors.red), onPressed: () => _removeItem(idx)),
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]);
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} else {
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return TableRow(children: [
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_TableCell(item.description),
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_TableCell(item.quantity.toString()),
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_TableCell(formatter.format(item.unitPrice)),
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_TableCell(formatter.format(item.subtotal)),
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const SizedBox(),
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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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Widget _buildSummarySection(NumberFormat formatter) {
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final double currentTaxRate = _isEditing ? _currentInvoice.taxRate : _currentInvoice.taxRate; // 編集時も元の税率を維持
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final int subtotal = _isEditing ? _calculateCurrentSubtotal() : _currentInvoice.subtotal;
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final int tax = (subtotal * currentTaxRate).floor();
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final int total = subtotal + tax;
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return Align(
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alignment: Alignment.centerRight,
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child: Container(
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width: 200,
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child: Column(
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children: [
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_SummaryRow("小計 (税抜)", formatter.format(subtotal)),
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if (_companyInfo?.taxDisplayMode == 'normal')
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_SummaryRow("消費税 (${(currentTaxRate * 100).toInt()}%)", formatter.format(tax)),
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if (_companyInfo?.taxDisplayMode == 'text_only')
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_SummaryRow("消費税", "（税別）"),
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const Divider(),
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_SummaryRow("合計", "￥${formatter.format(total)}", isBold: true),
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],
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),
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),
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);
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}
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int _calculateCurrentSubtotal() {
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return _items.fold(0, (sum, item) => sum + (item.quantity * item.unitPrice));
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}
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Widget _buildFooterActions() {
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if (_isEditing || _currentFilePath == null) return const SizedBox();
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return Row(
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children: [
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Expanded(
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child: ElevatedButton.icon(
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onPressed: _openPdf,
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icon: const Icon(Icons.launch),
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label: const Text("PDFを開く"),
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style: ElevatedButton.styleFrom(backgroundColor: Colors.orange, foregroundColor: Colors.white),
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: ElevatedButton.icon(
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onPressed: _sharePdf,
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icon: const Icon(Icons.share),
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label: const Text("共有"),
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style: ElevatedButton.styleFrom(backgroundColor: Colors.green, foregroundColor: Colors.white),
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: ElevatedButton.icon(
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onPressed: _printReceipt,
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icon: const Icon(Icons.print),
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label: const Text("レシート"),
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style: ElevatedButton.styleFrom(backgroundColor: Colors.blueGrey.shade800, foregroundColor: Colors.white),
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),
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),
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],
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);
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}
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Future<void> _openPdf() async => await OpenFilex.open(_currentFilePath!);
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Future<void> _sharePdf() async {
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if (_currentFilePath != null) {
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await Share.shareXFiles([XFile(_currentFilePath!)], text: '請求書送付');
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}
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}
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}
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class _TableCell extends StatelessWidget {
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final String text;
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const _TableCell(this.text);
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@override
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Widget build(BuildContext context) => Padding(
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padding: const EdgeInsets.all(8.0),
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child: Text(text, textAlign: TextAlign.right, style: const TextStyle(fontSize: 12)),
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);
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}
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class _EditableCell extends StatelessWidget {
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final String initialValue;
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final TextInputType keyboardType;
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final Function(String) onChanged;
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const _EditableCell({required this.initialValue, this.keyboardType = TextInputType.text, required this.onChanged});
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@override
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Widget build(BuildContext context) => Padding(
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padding: const EdgeInsets.symmetric(horizontal: 4.0),
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child: TextFormField(
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initialValue: initialValue,
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keyboardType: keyboardType,
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style: const TextStyle(fontSize: 12),
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decoration: const InputDecoration(isDense: true, contentPadding: EdgeInsets.all(8)),
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onChanged: onChanged,
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),
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);
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}
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class _SummaryRow extends StatelessWidget {
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final String label, value;
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final bool isBold;
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const _SummaryRow(this.label, this.value, {this.isBold = false});
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@override
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Widget build(BuildContext context) => Padding(
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padding: const EdgeInsets.symmetric(vertical: 2.0),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(label, style: TextStyle(fontSize: 12, fontWeight: isBold ? FontWeight.bold : null)),
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Text(value, style: TextStyle(fontSize: 12, fontWeight: isBold ? FontWeight.bold : null)),
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],
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),
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);
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}
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