Files
pad_scanner/lib/pages/boxing_page.dart
Misaka_Company f2b2f41929 refactor: extract boxing page into modular components
Split the monolithic boxing_page.dart into separate files:
- boxing_models.dart: data models (_ManyToOnePackedItem, _Phase)
- widgets/boxing_shared_widgets.dart: shared UI components
- widgets/single_code_body.dart: single-code boxing UI
- widgets/multi_code_body.dart: multi-code boxing UI
- widgets/multi_packed_row.dart: multi-code packed row widget
- widgets/single_assigned_row.dart: single-code assigned row widget

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-05-21 08:35:45 +08:00

1725 lines
52 KiB
Dart
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import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:pad_scanner/services/app_config_service.dart';
import 'package:pad_scanner/services/scanner_service.dart';
import 'package:pad_scanner/services/code_parser.dart';
import 'package:pad_scanner/services/api_service.dart';
import 'package:pad_scanner/services/boxing_context.dart';
import 'package:pad_scanner/services/feedback_service.dart';
import 'package:pad_scanner/pages/boxing/boxing_models.dart';
import 'package:pad_scanner/pages/boxing/widgets/boxing_shared_widgets.dart';
import 'package:pad_scanner/pages/boxing/widgets/multi_code_body.dart';
import 'package:pad_scanner/pages/boxing/widgets/single_code_body.dart';
import 'package:pad_scanner/pages/boxing_detail_page.dart';
import 'package:pad_scanner/widgets/status_bar.dart';
// === 装箱模式 ===
enum BoxingMode {
singleCode, // 单码装箱
multiCode, // 多码凑箱
}
class BoxingPageArguments {
final BoxingMode initialMode;
final List<String> autoScanCodes;
const BoxingPageArguments({
required this.initialMode,
required this.autoScanCodes,
});
}
// === 页面阶段 ===
enum _Phase {
waiting, // 等待扫码
scanned, // 已扫码,显示信息
submitted, // 已提交成功
}
// === 主页面 ===
class BoxingPage extends StatefulWidget {
final BoxingPageArguments? arguments;
const BoxingPage({super.key, this.arguments});
@override
State<BoxingPage> createState() => _BoxingPageState();
}
class _BoxingPageState extends State<BoxingPage> with WidgetsBindingObserver {
final _scannerService = ScannerService();
final _apiService = ApiService();
final _feedbackService = FeedbackService();
final _focusNode = FocusNode();
StreamSubscription<ScanResult>? _scanSubscription;
// 模式
BoxingMode _mode = BoxingMode.singleCode;
// 阶段
_Phase _phase = _Phase.waiting;
// 当前总排号
String? _zongpaiNo;
// 排产号信息(来自后端查询)
String? _paichanNo;
String? _workOrderNo;
int? _erpQuantity;
List<CurrentZongpaiBoxData> _currentZongpaiBoxes = [];
List<BoxDetailData> _existingBoxes = [];
int _maxBoxNo = 0;
// 输入
final _boxNoController = TextEditingController();
final _quantityController = TextEditingController();
final _boxNoFocusNode = FocusNode();
final _quantityFocusNode = FocusNode();
// 多码凑箱:本次操作已确认装入当前箱的明细
final _manyToOnePackedItems = <ManyToOnePackedItem>[];
int? _editingPackedItemId;
String _editingPackedQuantity = '';
int? _deletingPackedItemId;
int? _editingAssignedItemId;
String _editingAssignedQuantity = '';
int? _deletingAssignedItemId;
String? _lastScannedPaichanNo;
String? _paichanSwitchNotice;
bool _crossPaichaPending = false;
// 提交中
bool _isSubmitting = false;
CurrentZongpaiBoxData? _editingBox;
// 重复箱号
bool _isDuplicateBoxNo = false;
// Status bar state
StatusDotColor _statusDot = StatusDotColor.blue;
String _statusText = '等待扫码';
String? _statusOverrideText;
StatusDotColor? _statusOverrideDot;
bool _isAutoProcessing = false;
final _autoWarnings = <String>[];
// 多码凑箱:已完成装箱时可跳转的箱号
int? _completedJumpBoxNo;
@override
void initState() {
super.initState();
WidgetsBinding.instance.addObserver(this);
final arguments = widget.arguments;
if (arguments != null) {
_mode = arguments.initialMode;
}
_boxNoController.addListener(_onBoxNoTextChanged);
_scanSubscription = _scannerService.scanResults.listen(_onScan);
if (arguments != null && arguments.autoScanCodes.isNotEmpty) {
WidgetsBinding.instance.addPostFrameCallback((_) {
_processAutoScanCodes(arguments.autoScanCodes);
});
}
WidgetsBinding.instance.addPostFrameCallback((_) => _requestFocus());
}
@override
void dispose() {
WidgetsBinding.instance.removeObserver(this);
_boxNoController.removeListener(_onBoxNoTextChanged);
_scanSubscription?.cancel();
_focusNode.dispose();
_boxNoController.dispose();
_quantityController.dispose();
_boxNoFocusNode.dispose();
_quantityFocusNode.dispose();
_feedbackService.dispose();
super.dispose();
}
void _requestFocus() {
if (mounted) {
_focusNode.requestFocus();
}
}
@override
void didChangeAppLifecycleState(AppLifecycleState state) {
if (state == AppLifecycleState.resumed) {
_requestFocus();
}
}
void _onKeyEvent(KeyEvent event) {
if (event is! KeyDownEvent || _isAutoProcessing) return;
if (_isModeSwitchKey(event)) {
_cycleMode();
}
if (_isFinishBoxKey(event)) {
final hasItems = _visibleManyToOnePackedItems.isNotEmpty;
if (hasItems && _mode == BoxingMode.multiCode) {
_finishManyToOneBox();
}
}
if (_completedJumpBoxNo != null && _isJumpToBoxKey(event)) {
_jumpToCompletedBox();
}
}
bool _isModeSwitchKey(KeyEvent event) {
final key = event.logicalKey;
return key == LogicalKeyboardKey.select ||
key == LogicalKeyboardKey.gameButtonRight1;
}
bool _isFinishBoxKey(KeyEvent event) {
return event.logicalKey == LogicalKeyboardKey.gameButtonLeft2;
}
bool _isJumpToBoxKey(KeyEvent event) {
return event.logicalKey == LogicalKeyboardKey.gameButtonRight2;
}
void _onBoxNoTextChanged() {
if (!mounted || _mode != BoxingMode.multiCode) return;
setState(() {
_editingPackedItemId = null;
_editingPackedQuantity = '';
_deletingPackedItemId = null;
});
}
// === 模式切换 ===
String get _modeLabel {
switch (_mode) {
case BoxingMode.singleCode:
return '单码装箱';
case BoxingMode.multiCode:
return '多码凑箱';
}
}
void _cycleMode() {
_feedbackService.trigger(FeedbackEvent.modeSwitch);
setState(() {
switch (_mode) {
case BoxingMode.singleCode:
_mode = BoxingMode.multiCode;
case BoxingMode.multiCode:
_mode = BoxingMode.singleCode;
}
_resetState();
});
}
void _resetState() {
_phase = _Phase.waiting;
_zongpaiNo = null;
_paichanNo = null;
_workOrderNo = null;
_erpQuantity = null;
_currentZongpaiBoxes = [];
_existingBoxes = [];
_maxBoxNo = 0;
_boxNoController.clear();
_quantityController.clear();
_manyToOnePackedItems.clear();
_editingPackedItemId = null;
_editingPackedQuantity = '';
_deletingPackedItemId = null;
_editingAssignedItemId = null;
_editingAssignedQuantity = '';
_deletingAssignedItemId = null;
_lastScannedPaichanNo = null;
_paichanSwitchNotice = null;
_crossPaichaPending = false;
_isSubmitting = false;
_editingBox = null;
_isDuplicateBoxNo = false;
_statusOverrideText = null;
_statusOverrideDot = null;
}
// === 扫码处理 ===
void _onScan(ScanResult result) {
if (_isAutoProcessing) {
return;
}
if (_crossPaichaPending) {
_feedbackService.trigger(FeedbackEvent.alreadyCompleted);
return;
}
final parsed = CodeParser.parse(result.barcode);
if (parsed.type != CodeType.zongpaiNo) {
_feedbackService.trigger(FeedbackEvent.scanInvalid);
_showStatusOverride(
'无效码,请重新扫描',
StatusDotColor.red,
const Duration(seconds: 2),
);
return;
}
final zongpai = parsed.value;
// 三种模式都允许后扫入的总排号覆盖当前扫码区;未确认数据不会入库。
_queryBoxInfo(zongpai);
}
Future<bool> _queryBoxInfo(String zongpai) async {
final configService = AppConfigService();
final baseUrl = await configService.getString('api_url') ?? '';
if (baseUrl.isEmpty) {
_feedbackService.trigger(FeedbackEvent.submitFailure);
_showStatusOverride(
'未配置 API 地址,请前往设置',
StatusDotColor.red,
const Duration(seconds: 2),
);
return false;
}
final result = await _apiService.fetchBoxInfo(
baseUrl: baseUrl,
zongpaiNo: zongpai,
);
if (!mounted) return false;
if (!result.success) {
final isNetwork = result.errorMessage == '网络异常,请检查网络连接';
_feedbackService.trigger(
isNetwork ? FeedbackEvent.networkError : FeedbackEvent.scanInvalid,
);
_showStatusOverride(
result.errorMessage ?? '查询失败',
isNetwork ? StatusDotColor.yellow : StatusDotColor.red,
const Duration(seconds: 2),
);
return false;
}
// 判断该总牌号是否已全部装箱完毕
final packedQuantity = result.currentZongpaiBoxes.fold<int>(
0,
(sum, item) => sum + item.quantity,
);
final totalQuantity = result.quantity ?? 0;
final alreadyCompleted =
totalQuantity > 0 && packedQuantity >= totalQuantity;
_feedbackService.trigger(
alreadyCompleted
? FeedbackEvent.alreadyCompleted
: FeedbackEvent.scanValid,
);
setState(() {
_zongpaiNo = zongpai;
_paichanNo = result.paichanNo;
_workOrderNo = result.workOrderNo;
_erpQuantity = result.quantity;
_currentZongpaiBoxes = result.currentZongpaiBoxes;
_existingBoxes = result.existingBoxes;
_maxBoxNo = result.maxBoxNo;
_phase = _Phase.scanned;
_isDuplicateBoxNo = false;
_editingBox = null;
_editingAssignedItemId = null;
_editingAssignedQuantity = '';
_deletingAssignedItemId = null;
_completedJumpBoxNo = null;
_statusOverrideText = null;
if (_mode == BoxingMode.singleCode) {
_paichanSwitchNotice = null;
}
// 根据模式自动填充
_applyAutoFill();
});
return true;
}
Future<void> _processAutoScanCodes(List<String> codes) async {
if (!mounted) return;
setState(() {
_isAutoProcessing = true;
_autoWarnings.clear();
_statusOverrideText = '正在同步转运数据...';
_statusOverrideDot = StatusDotColor.orange;
});
if (_mode == BoxingMode.singleCode) {
final code = codes.first;
final ok = await _queryBoxInfo(code);
if (!ok && mounted) {
setState(() => _autoWarnings.add('总排号 $code 未找到排产号信息,已忽略'));
}
} else {
for (final code in codes) {
if (!mounted) return;
final queried = await _queryBoxInfo(code);
if (!queried) {
if (mounted) {
setState(() => _autoWarnings.add('总排号 $code 未找到排产号信息,已忽略'));
}
continue;
}
if (!_canSubmit) {
if (mounted) {
setState(() => _autoWarnings.add('总排号 $code 暂不能装箱,已忽略'));
}
continue;
}
final saved = await _submit();
if (!saved && mounted) {
setState(() => _autoWarnings.add('总排号 $code 自动装箱失败,请手动处理'));
}
}
}
if (!mounted) return;
setState(() {
_isAutoProcessing = false;
_statusOverrideText = null;
_statusOverrideDot = null;
});
_focusQuantityInput();
_requestFocus();
}
void _applyAutoFill() {
switch (_mode) {
case BoxingMode.singleCode:
final remaining = _remainingQuantity;
if (remaining <= 0) {
_boxNoController.clear();
_quantityController.clear();
_statusOverrideText = '该总排号已全部装箱完毕';
_statusOverrideDot = StatusDotColor.red;
return;
}
_boxNoController.text = (_maxBoxNo + 1).toString();
_quantityController.text = remaining.toString();
_quantityController.selection = TextSelection(
baseOffset: 0,
extentOffset: _quantityController.text.length,
);
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted && _mode == BoxingMode.singleCode) {
_quantityFocusNode.requestFocus();
}
});
case BoxingMode.multiCode:
final decision = decideMultiCodePaichanContext(
lastPaichanNo: _lastScannedPaichanNo,
currentPaichanNo: _paichanNo,
currentBoxNoText: _boxNoController.text,
maxBoxNo: _maxBoxNo,
);
if (decision.isSwitched) {
_crossPaichaPending = true;
_feedbackService.trigger(FeedbackEvent.alreadyCompleted);
_showCrossPaichaDialog();
return;
} else {
_paichanSwitchNotice = null;
}
final boxNoToApply = decision.boxNoToApply;
if (boxNoToApply != null) {
_boxNoController.text = boxNoToApply.toString();
}
_lastScannedPaichanNo = _paichanNo;
final remaining = _remainingQuantity;
if (remaining <= 0) {
_quantityController.clear();
if (_manyToOnePackedItems.isEmpty &&
_currentZongpaiBoxes.isNotEmpty) {
_completedJumpBoxNo = _currentZongpaiBoxes.first.boxNo;
}
_statusOverrideText = '该总排号已全部装箱完毕';
_statusOverrideDot = StatusDotColor.red;
return;
}
_quantityController.text = remaining.toString();
_quantityController.selection = TextSelection(
baseOffset: 0,
extentOffset: _quantityController.text.length,
);
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted && _mode == BoxingMode.multiCode) {
_quantityFocusNode.requestFocus();
}
});
}
_isDuplicateBoxNo = _boxNoIsDuplicate();
}
// === 跨排产号确认对话框 ===
void _showCrossPaichaDialog() {
final currentPaicha = _lastScannedPaichanNo ?? '--';
final newPaicha = _paichanNo ?? '--';
final dialogFocus = FocusNode();
var dismissed = false;
var selectedIndex = 0; // 0 = "否" (default), 1 = "是"
void dismissAsNo() {
if (dismissed) return;
dismissed = true;
Navigator.of(context).pop();
_cancelPaichanSwitch();
}
void confirmSwitch() {
if (dismissed) return;
dismissed = true;
Navigator.of(context).pop();
_confirmPaichanSwitch();
}
showDialog(
context: context,
barrierDismissible: false,
builder: (ctx) => StatefulBuilder(
builder: (ctx, setDialogState) {
return KeyboardListener(
focusNode: dialogFocus,
onKeyEvent: (event) {
if (event is! KeyDownEvent) return;
if (event.logicalKey == LogicalKeyboardKey.arrowUp) {
setDialogState(() => selectedIndex = 0);
} else if (event.logicalKey == LogicalKeyboardKey.arrowDown) {
setDialogState(() => selectedIndex = 1);
} else if (event.logicalKey == LogicalKeyboardKey.enter) {
selectedIndex == 0 ? dismissAsNo() : confirmSwitch();
} else if (event.logicalKey == LogicalKeyboardKey.escape) {
dismissAsNo();
}
},
child: PopScope(
canPop: false,
onPopInvokedWithResult: (didPop, _) {
if (!didPop) dismissAsNo();
},
child: AlertDialog(
backgroundColor: Colors.orange.shade50,
title: Row(
children: [
Icon(Icons.warning_amber, color: Colors.orange.shade800),
const SizedBox(width: 8),
Text(
'跨排产号扫描',
style: TextStyle(color: Colors.orange.shade900),
),
],
),
content: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Text(
'当前排产号:$currentPaicha\n'
'新排产号:$newPaicha\n\n'
'是否切换到新的排产号?\n\n'
'选择「是」将放弃当前已扫描的所有数据。',
style: const TextStyle(fontSize: 14),
),
const SizedBox(height: 16),
_dialogOptionBtn(
label: '',
selected: selectedIndex == 0,
onTap: dismissAsNo,
),
const SizedBox(height: 8),
_dialogOptionBtn(
label: '是,切换排产号',
selected: selectedIndex == 1,
onTap: confirmSwitch,
),
],
),
),
),
);
},
),
);
WidgetsBinding.instance.addPostFrameCallback((_) {
dialogFocus.requestFocus();
});
}
void _confirmPaichanSwitch() {
setState(() {
_crossPaichaPending = false;
_manyToOnePackedItems.clear();
_editingPackedItemId = null;
_editingPackedQuantity = '';
_deletingPackedItemId = null;
_paichanSwitchNotice = '排产号已切换:${_paichanNo ?? "--"}';
_boxNoController.text = (_maxBoxNo + 1).toString();
_lastScannedPaichanNo = _paichanNo;
});
_feedbackService.trigger(FeedbackEvent.paichanSwitch);
// Continue with remaining quantity flow
final remaining = _remainingQuantity;
if (remaining <= 0) {
_quantityController.clear();
if (_manyToOnePackedItems.isEmpty && _currentZongpaiBoxes.isNotEmpty) {
_completedJumpBoxNo = _currentZongpaiBoxes.first.boxNo;
}
setState(() {
_statusOverrideText = '该总排号已全部装箱完毕';
_statusOverrideDot = StatusDotColor.red;
});
return;
}
setState(() {
_quantityController.text = remaining.toString();
_quantityController.selection = TextSelection(
baseOffset: 0,
extentOffset: _quantityController.text.length,
);
_isDuplicateBoxNo = _boxNoIsDuplicate();
});
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted && _mode == BoxingMode.multiCode) {
_quantityFocusNode.requestFocus();
}
});
}
void _cancelPaichanSwitch() {
setState(() {
_crossPaichaPending = false;
_zongpaiNo = null;
_paichanNo = _lastScannedPaichanNo;
_phase = _Phase.waiting;
});
}
Widget _dialogOptionBtn({
required String label,
required bool selected,
required VoidCallback onTap,
}) {
return SizedBox(
width: double.infinity,
height: 40,
child: ElevatedButton(
onPressed: onTap,
style: ElevatedButton.styleFrom(
backgroundColor: selected
? Colors.blue.shade700
: Colors.grey.shade200,
foregroundColor: selected ? Colors.white : Colors.black87,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
),
child: Text(
label,
style: TextStyle(
fontWeight: selected ? FontWeight.w800 : FontWeight.w600,
),
),
),
);
}
// === 重复箱号检测 ===
bool _boxNoIsDuplicate() {
final boxNo = int.tryParse(_boxNoController.text);
if (boxNo == null) {
return false;
}
return switch (_mode) {
BoxingMode.multiCode => false,
BoxingMode.singleCode => _currentZongpaiBoxes.any((b) {
if (b.boxNo != boxNo) return false;
return _editingBox == null || b.boxItemId != _editingBox!.boxItemId;
}),
};
}
void _checkDuplicateBoxNo() {
setState(() => _isDuplicateBoxNo = _boxNoIsDuplicate());
}
// === 提交 ===
int get _packedQuantity {
return _currentZongpaiBoxes.fold<int>(
0,
(sum, item) => sum + item.quantity,
);
}
int get _remainingQuantity {
final total = _erpQuantity ?? 0;
return total - _packedQuantity;
}
bool get _quantityTooHigh {
if (_remainingQuantity <= 0) return false;
final qty = int.tryParse(_quantityController.text);
return qty != null && qty > _remainingQuantity;
}
bool get _canSubmit {
if (_isSubmitting || _phase != _Phase.scanned) return false;
if (_zongpaiNo == null) return false;
final boxNo = int.tryParse(_boxNoController.text);
final qty = int.tryParse(_quantityController.text);
if (boxNo == null || boxNo <= 0 || qty == null || qty <= 0) return false;
if (_remainingQuantity <= 0) return false;
if (_quantityTooHigh) return false;
if (_isDuplicateBoxNo) return false;
return true;
}
void _submitFromKeyboard() {
if (_canSubmit) {
_submit();
}
}
void _focusQuantityInput() {
WidgetsBinding.instance.addPostFrameCallback((_) {
if (!mounted) return;
_quantityFocusNode.requestFocus();
_quantityController.selection = TextSelection(
baseOffset: 0,
extentOffset: _quantityController.text.length,
);
});
}
int? get _currentManyToOneBoxNo {
final boxNo = int.tryParse(_boxNoController.text.trim());
if (boxNo == null || boxNo <= 0) return null;
return boxNo;
}
List<ManyToOnePackedItem> get _visibleManyToOnePackedItems {
final boxNo = _currentManyToOneBoxNo;
if (boxNo == null) return const [];
final byItemId = <int, ManyToOnePackedItem>{};
for (final box in _existingBoxes.where((box) => box.boxNo == boxNo)) {
for (final item in box.items) {
final boxItemId = item.boxItemId;
if (boxItemId == null) continue;
byItemId[boxItemId] = ManyToOnePackedItem(
boxItemId: boxItemId,
zongpaiNo: item.zongpaiNo,
paichanNo: _paichanNo,
workOrderNo: item.workOrderNo,
boxNo: boxNo,
quantity: item.quantity,
totalQuantity: item.totalQuantity,
);
}
}
for (final item in _manyToOnePackedItems.where(
(item) => item.boxNo == boxNo,
)) {
byItemId[item.boxItemId] = item;
}
return byItemId.values.toList(growable: false);
}
Future<bool> _submit() async {
if (!_canSubmit) return false;
final configService = AppConfigService();
final baseUrl = await configService.getString('api_url') ?? '';
if (baseUrl.isEmpty) {
_feedbackService.trigger(FeedbackEvent.submitFailure);
_showStatusOverride(
'未配置 API 地址,请前往设置',
StatusDotColor.red,
const Duration(seconds: 2),
);
return false;
}
final boxNo = int.parse(_boxNoController.text);
final quantity = int.parse(_quantityController.text);
setState(() => _isSubmitting = true);
final editing = _editingBox;
final result = editing == null
? await _apiService.saveBoxRecord(
baseUrl: baseUrl,
zongpaiNo: _zongpaiNo!,
boxNo: boxNo,
quantity: quantity,
)
: await _apiService.updateBoxRecord(
baseUrl: baseUrl,
boxItemId: editing.boxItemId,
boxNo: boxNo,
quantity: quantity,
);
if (!mounted) return false;
setState(() => _isSubmitting = false);
if (result.success) {
if (editing == null) {
_onSubmitSuccess(boxNo, quantity, result.boxItemId);
} else {
_onUpdateSuccess(editing, boxNo, quantity);
}
return true;
} else if (result.isDuplicate) {
_feedbackService.trigger(FeedbackEvent.duplicateBoxNo);
_showStatusOverride(
'该总排号在箱号 ${result.boxNo ?? ""} 已存在,请重新输入',
StatusDotColor.amber,
const Duration(seconds: 2),
);
return false;
} else {
final isNetwork = result.errorMessage == '网络异常,请检查网络连接';
_feedbackService.trigger(
isNetwork ? FeedbackEvent.networkError : FeedbackEvent.submitFailure,
);
_showStatusOverride(
result.errorMessage ?? '提交失败',
isNetwork ? StatusDotColor.yellow : StatusDotColor.red,
const Duration(seconds: 2),
);
return false;
}
}
void _onSubmitSuccess(int boxNo, int quantity, int? boxItemId) {
_feedbackService.trigger(FeedbackEvent.submitSuccess);
setState(() {
if (_mode == BoxingMode.singleCode && boxItemId != null) {
_currentZongpaiBoxes = List.from(_currentZongpaiBoxes)
..add(
CurrentZongpaiBoxData(
boxItemId: boxItemId,
boxNo: boxNo,
quantity: quantity,
),
);
}
_addExistingBoxItem(boxNo, quantity, boxItemId);
_maxBoxNo = _maxBoxNo > boxNo ? _maxBoxNo : boxNo;
});
switch (_mode) {
case BoxingMode.singleCode:
final remaining = _remainingQuantity;
if (remaining <= 0) {
_showStatusOverride(
'装箱成功',
StatusDotColor.green,
const Duration(milliseconds: 1500),
);
} else {
setState(() {
_phase = _Phase.scanned;
_boxNoController.text = (_maxBoxNo + 1).toString();
_quantityController.text = remaining.toString();
_quantityController.selection = TextSelection(
baseOffset: 0,
extentOffset: _quantityController.text.length,
);
_isDuplicateBoxNo = false;
});
_focusQuantityInput();
_showStatusOverride(
'请继续完成剩余数量装箱',
StatusDotColor.green,
const Duration(milliseconds: 1500),
);
}
case BoxingMode.multiCode:
_lastScannedPaichanNo = _paichanNo;
setState(() {
if (boxItemId != null) {
_manyToOnePackedItems.add(
ManyToOnePackedItem(
boxItemId: boxItemId,
zongpaiNo: _zongpaiNo!,
paichanNo: _paichanNo,
workOrderNo: _workOrderNo,
boxNo: boxNo,
quantity: quantity,
totalQuantity: _erpQuantity,
),
);
}
_phase = _Phase.waiting;
_zongpaiNo = null;
_editingPackedItemId = null;
_editingPackedQuantity = '';
_deletingPackedItemId = null;
});
_showStatusOverride(
'装箱成功,请继续扫码',
StatusDotColor.green,
const Duration(milliseconds: 1500),
);
}
}
void _onUpdateSuccess(
CurrentZongpaiBoxData editing,
int boxNo,
int quantity,
) {
_feedbackService.trigger(FeedbackEvent.submitSuccess);
setState(() {
_currentZongpaiBoxes = _currentZongpaiBoxes.map((item) {
if (item.boxItemId != editing.boxItemId) return item;
return CurrentZongpaiBoxData(
boxItemId: item.boxItemId,
boxNo: boxNo,
quantity: quantity,
);
}).toList();
_replaceExistingBoxItem(editing, boxNo, quantity);
_editingBox = null;
_boxNoController.text = (_maxBoxNo + 1).toString();
final remaining = _remainingQuantity;
if (remaining > 0) {
_quantityController.text = remaining.toString();
} else {
_quantityController.clear();
}
_isDuplicateBoxNo = false;
});
_showStatusOverride(
'修改成功',
StatusDotColor.green,
const Duration(milliseconds: 1500),
);
}
void _replaceExistingBoxItem(
CurrentZongpaiBoxData editing,
int boxNo,
int quantity,
) {
final nextBoxes = <BoxDetailData>[];
for (final box in _existingBoxes) {
final items = box.items.where((item) {
return item.boxItemId != editing.boxItemId;
}).toList();
if (items.isNotEmpty) {
nextBoxes.add(BoxDetailData(boxNo: box.boxNo, items: items));
}
}
final targetIndex = nextBoxes.indexWhere((box) => box.boxNo == boxNo);
final updatedItem = BoxItemData(
boxItemId: editing.boxItemId,
zongpaiNo: _zongpaiNo!,
workOrderNo: _workOrderNo,
quantity: quantity,
totalQuantity: _erpQuantity,
);
if (targetIndex >= 0) {
final target = nextBoxes[targetIndex];
nextBoxes[targetIndex] = BoxDetailData(
boxNo: target.boxNo,
items: [...target.items, updatedItem],
);
} else {
nextBoxes.add(BoxDetailData(boxNo: boxNo, items: [updatedItem]));
}
nextBoxes.sort((a, b) => a.boxNo.compareTo(b.boxNo));
_existingBoxes = nextBoxes;
_maxBoxNo = nextBoxes.fold<int>(
0,
(max, box) => box.boxNo > max ? box.boxNo : max,
);
}
void _addExistingBoxItem(int boxNo, int quantity, int? boxItemId) {
final item = BoxItemData(
boxItemId: boxItemId,
zongpaiNo: _zongpaiNo!,
workOrderNo: _workOrderNo,
quantity: quantity,
totalQuantity: _erpQuantity,
);
final index = _existingBoxes.indexWhere((box) => box.boxNo == boxNo);
if (index < 0) {
_existingBoxes = [
..._existingBoxes,
BoxDetailData(boxNo: boxNo, items: [item]),
]..sort((a, b) => a.boxNo.compareTo(b.boxNo));
return;
}
final next = List<BoxDetailData>.from(_existingBoxes);
final box = next[index];
next[index] = BoxDetailData(boxNo: box.boxNo, items: [...box.items, item]);
_existingBoxes = next;
}
void _finishManyToOneBox() {
setState(() {
_manyToOnePackedItems.clear();
_editingPackedItemId = null;
_editingPackedQuantity = '';
_deletingPackedItemId = null;
_zongpaiNo = null;
_phase = _Phase.waiting;
_quantityController.clear();
_boxNoController.text = (_maxBoxNo + 1).toString();
_statusOverrideText = null;
_statusOverrideDot = null;
});
}
void _startEditAssigned(CurrentZongpaiBoxData item) {
setState(() {
_editingAssignedItemId = item.boxItemId;
_editingAssignedQuantity = item.quantity.toString();
_deletingAssignedItemId = null;
_statusOverrideText = null;
_statusOverrideDot = null;
});
}
void _cancelEditAssigned() {
setState(() {
_editingAssignedItemId = null;
_editingAssignedQuantity = '';
});
}
int _maxAssignedQuantity(CurrentZongpaiBoxData item) {
final total = _erpQuantity ?? 0;
final packedWithoutItem = _packedQuantity - item.quantity;
return total - packedWithoutItem;
}
void _refreshSingleCodeNewInput({bool focusQuantity = true}) {
_boxNoController.text = (_maxBoxNo + 1).toString();
final remaining = _remainingQuantity;
if (remaining > 0) {
_quantityController.text = remaining.toString();
_quantityController.selection = TextSelection(
baseOffset: 0,
extentOffset: _quantityController.text.length,
);
if (focusQuantity) {
_focusQuantityInput();
}
} else {
_quantityController.clear();
}
_isDuplicateBoxNo = false;
}
Future<void> _saveAssignedItem(CurrentZongpaiBoxData item) async {
final quantity = int.tryParse(_editingAssignedQuantity);
if (quantity == null || quantity <= 0) {
_showStatusOverride(
'请输入有效数量',
StatusDotColor.red,
const Duration(seconds: 2),
);
return;
}
if (quantity > _maxAssignedQuantity(item)) {
_showStatusOverride(
'超出可装数量上限',
StatusDotColor.red,
const Duration(seconds: 2),
);
return;
}
final configService = AppConfigService();
final baseUrl = await configService.getString('api_url') ?? '';
if (baseUrl.isEmpty) {
_showStatusOverride(
'未配置 API 地址,请前往设置',
StatusDotColor.red,
const Duration(seconds: 2),
);
return;
}
setState(() => _isSubmitting = true);
final result = await _apiService.updateBoxRecord(
baseUrl: baseUrl,
boxItemId: item.boxItemId,
boxNo: item.boxNo,
quantity: quantity,
);
if (!mounted) return;
setState(() => _isSubmitting = false);
if (result.success) {
setState(() {
_currentZongpaiBoxes = _currentZongpaiBoxes.map((box) {
if (box.boxItemId != item.boxItemId) return box;
return CurrentZongpaiBoxData(
boxItemId: box.boxItemId,
boxNo: box.boxNo,
quantity: quantity,
);
}).toList();
_replaceExistingBoxItem(item, item.boxNo, quantity);
_editingAssignedItemId = null;
_editingAssignedQuantity = '';
_refreshSingleCodeNewInput();
});
_showStatusOverride(
'修改成功',
StatusDotColor.green,
const Duration(milliseconds: 1500),
);
} else {
final dot = result.isDuplicate
? StatusDotColor.amber
: StatusDotColor.red;
_showStatusOverride(
result.errorMessage ?? '修改失败',
dot,
const Duration(seconds: 2),
);
}
}
Future<void> _deleteAssignedItem(CurrentZongpaiBoxData item) async {
final configService = AppConfigService();
final baseUrl = await configService.getString('api_url') ?? '';
if (baseUrl.isEmpty) {
_showStatusOverride(
'未配置 API 地址,请前往设置',
StatusDotColor.red,
const Duration(seconds: 2),
);
return;
}
setState(() => _isSubmitting = true);
final result = await _apiService.deleteBoxRecord(
baseUrl: baseUrl,
boxItemId: item.boxItemId,
);
if (!mounted) return;
setState(() {
_isSubmitting = false;
if (result.success) {
_currentZongpaiBoxes = _currentZongpaiBoxes
.where((box) => box.boxItemId != item.boxItemId)
.toList();
_removeExistingBoxItem(item.boxItemId);
if (_editingAssignedItemId == item.boxItemId) {
_editingAssignedItemId = null;
_editingAssignedQuantity = '';
}
_deletingAssignedItemId = null;
_refreshSingleCodeNewInput();
}
});
if (result.success) {
_showStatusOverride(
'删除成功',
StatusDotColor.green,
const Duration(milliseconds: 1500),
);
} else {
_showStatusOverride(
result.errorMessage ?? '删除失败',
StatusDotColor.red,
const Duration(seconds: 2),
);
}
}
void _startEditPackedItem(ManyToOnePackedItem item) {
setState(() {
_editingPackedItemId = item.boxItemId;
_editingPackedQuantity = item.quantity.toString();
_deletingPackedItemId = null;
});
}
void _cancelEditPackedItem() {
setState(() {
_editingPackedItemId = null;
_editingPackedQuantity = '';
});
}
Future<void> _savePackedItem(ManyToOnePackedItem item) async {
final quantity = int.tryParse(_editingPackedQuantity);
final boxNo = int.tryParse(_boxNoController.text.trim());
if (quantity == null || quantity <= 0 || boxNo == null || boxNo <= 0) {
_showStatusOverride(
'请输入有效箱号和数量',
StatusDotColor.red,
const Duration(seconds: 2),
);
return;
}
final configService = AppConfigService();
final baseUrl = await configService.getString('api_url') ?? '';
if (baseUrl.isEmpty) {
_showStatusOverride(
'未配置 API 地址,请前往设置',
StatusDotColor.red,
const Duration(seconds: 2),
);
return;
}
setState(() => _isSubmitting = true);
final result = await _apiService.updateBoxRecord(
baseUrl: baseUrl,
boxItemId: item.boxItemId,
boxNo: boxNo,
quantity: quantity,
);
if (!mounted) return;
setState(() => _isSubmitting = false);
if (result.success) {
setState(() {
final index = _manyToOnePackedItems.indexWhere(
(packed) => packed.boxItemId == item.boxItemId,
);
if (index >= 0) {
_manyToOnePackedItems[index] = _manyToOnePackedItems[index].copyWith(
boxNo: boxNo,
quantity: quantity,
);
}
_replaceExistingPackedItem(item, boxNo, quantity);
_editingPackedItemId = null;
_editingPackedQuantity = '';
});
_showStatusOverride(
'修改成功',
StatusDotColor.green,
const Duration(milliseconds: 1500),
);
} else {
final dot = result.isDuplicate
? StatusDotColor.amber
: StatusDotColor.red;
_showStatusOverride(
result.errorMessage ?? '修改失败',
dot,
const Duration(seconds: 2),
);
}
}
void _replaceExistingPackedItem(
ManyToOnePackedItem item,
int boxNo,
int quantity,
) {
final nextBoxes = <BoxDetailData>[];
for (final box in _existingBoxes) {
final items = box.items.where((boxItem) {
return boxItem.boxItemId != item.boxItemId;
}).toList();
if (items.isNotEmpty) {
nextBoxes.add(BoxDetailData(boxNo: box.boxNo, items: items));
}
}
final updatedItem = BoxItemData(
boxItemId: item.boxItemId,
zongpaiNo: item.zongpaiNo,
workOrderNo: item.workOrderNo,
quantity: quantity,
totalQuantity: item.totalQuantity,
);
final targetIndex = nextBoxes.indexWhere((box) => box.boxNo == boxNo);
if (targetIndex >= 0) {
final target = nextBoxes[targetIndex];
nextBoxes[targetIndex] = BoxDetailData(
boxNo: target.boxNo,
items: [...target.items, updatedItem],
);
} else {
nextBoxes.add(BoxDetailData(boxNo: boxNo, items: [updatedItem]));
}
nextBoxes.sort((a, b) => a.boxNo.compareTo(b.boxNo));
_existingBoxes = nextBoxes;
_maxBoxNo = nextBoxes.fold<int>(
0,
(max, box) => box.boxNo > max ? box.boxNo : max,
);
}
Future<void> _deletePackedItem(ManyToOnePackedItem item) async {
final configService = AppConfigService();
final baseUrl = await configService.getString('api_url') ?? '';
if (baseUrl.isEmpty) {
_showStatusOverride(
'未配置 API 地址,请前往设置',
StatusDotColor.red,
const Duration(seconds: 2),
);
return;
}
setState(() => _isSubmitting = true);
final result = await _apiService.deleteBoxRecord(
baseUrl: baseUrl,
boxItemId: item.boxItemId,
);
if (!mounted) return;
setState(() {
_isSubmitting = false;
if (result.success) {
_manyToOnePackedItems.removeWhere(
(packed) => packed.boxItemId == item.boxItemId,
);
_removeExistingBoxItem(item.boxItemId);
if (_editingPackedItemId == item.boxItemId) {
_editingPackedItemId = null;
_editingPackedQuantity = '';
}
_deletingPackedItemId = null;
}
});
if (result.success) {
_showStatusOverride(
'删除成功',
StatusDotColor.green,
const Duration(milliseconds: 1500),
);
} else {
_showStatusOverride(
result.errorMessage ?? '删除失败',
StatusDotColor.red,
const Duration(seconds: 2),
);
}
}
void _removeExistingBoxItem(int boxItemId) {
final nextBoxes = <BoxDetailData>[];
for (final box in _existingBoxes) {
final items = box.items
.where((item) => item.boxItemId != boxItemId)
.toList();
if (items.isNotEmpty) {
nextBoxes.add(BoxDetailData(boxNo: box.boxNo, items: items));
}
}
_existingBoxes = nextBoxes;
_maxBoxNo = nextBoxes.fold<int>(
0,
(max, box) => box.boxNo > max ? box.boxNo : max,
);
}
// === Status bar management ===
void _showStatusOverride(String text, StatusDotColor dot, Duration duration) {
setState(() {
_statusOverrideText = text;
_statusOverrideDot = dot;
});
Future.delayed(duration, () {
if (mounted) {
setState(() {
_statusOverrideText = null;
_statusOverrideDot = null;
});
}
});
}
void _jumpToCompletedBox() {
final boxNo = _completedJumpBoxNo;
if (boxNo == null) return;
setState(() {
_boxNoController.text = boxNo.toString();
_completedJumpBoxNo = null;
_statusOverrideText = null;
_statusOverrideDot = null;
});
}
// === 导航到详情页 ===
void _openDetail() {
Navigator.push(
context,
MaterialPageRoute(
builder: (_) => BoxingDetailPage(
paichanNo: _paichanNo ?? '',
existingBoxes: _existingBoxes,
),
),
);
}
// === 状态文字 ===
void _updateBaseStatus() {
if (_isAutoProcessing) {
_statusDot = StatusDotColor.orange;
_statusText = '正在同步转运数据...';
return;
}
if (_isSubmitting) {
_statusDot = StatusDotColor.orange;
_statusText = '正在提交…';
return;
}
if (_isDuplicateBoxNo && _phase == _Phase.scanned) {
_statusDot = StatusDotColor.amber;
_statusText = '箱号 ${_boxNoController.text} 已存在,请重新输入';
return;
}
if (_quantityTooHigh && _phase == _Phase.scanned) {
_statusDot = StatusDotColor.red;
_statusText = '超出可装数量上限';
return;
}
if (_editingAssignedItemId != null) {
_statusDot = StatusDotColor.amber;
_statusText = '正在编辑已分配记录';
return;
}
if (_deletingAssignedItemId != null) {
_statusDot = StatusDotColor.red;
_statusText = '请确认是否删除该箱记录';
return;
}
if (_paichanSwitchNotice != null) {
_statusDot = StatusDotColor.blue;
_statusText = '排产号已切换,箱号已重置';
return;
}
switch (_phase) {
case _Phase.waiting:
_statusDot = StatusDotColor.blue;
if (_mode == BoxingMode.multiCode &&
_visibleManyToOnePackedItems.isNotEmpty) {
_statusText = '请继续扫码或完成本箱';
} else {
_statusText = '等待扫码';
}
case _Phase.scanned:
_statusDot = StatusDotColor.blue;
if (_remainingQuantity <= 0) {
_statusDot = StatusDotColor.red;
_statusText = '该总排号已全部装箱完毕';
return;
}
_statusText = _mode == BoxingMode.multiCode
? '数量已填入,请确认或修改'
: '数量已填入,请确认或修改';
case _Phase.submitted:
_statusDot = StatusDotColor.green;
switch (_mode) {
case BoxingMode.singleCode:
_statusText = '装箱成功,可继续扫码';
case BoxingMode.multiCode:
_statusText = '请扫描下一个总排号';
}
}
}
// === Build ===
@override
Widget build(BuildContext context) {
_updateBaseStatus();
final effectiveDot = _statusOverrideDot ?? _statusDot;
final effectiveText = _statusOverrideText ?? _statusText;
return KeyboardListener(
focusNode: _focusNode,
onKeyEvent: _onKeyEvent,
child: Scaffold(
appBar: AppBar(
title: Row(
children: [
const Text('装箱编号'),
const SizedBox(width: 8),
BoxingModePill(
isSingle: _mode == BoxingMode.singleCode,
label: _modeLabel,
enabled: !_isAutoProcessing,
onTap: _cycleMode,
),
],
),
toolbarHeight: 44,
titleSpacing: 12,
),
body: Column(
children: [
..._buildNoticeBanners(),
Expanded(
child: _mode == BoxingMode.multiCode
? MultiCodeBody(
hasScan: _zongpaiNo != null && _phase == _Phase.scanned,
zongpaiNo: _zongpaiNo,
paichanNo: _paichanNo,
workOrderNo: _workOrderNo,
erpQuantity: _erpQuantity,
maxBoxNo: _maxBoxNo,
existingBoxes: _existingBoxes,
visibleItems: _visibleManyToOnePackedItems,
boxNoController: _boxNoController,
quantityController: _quantityController,
boxNoFocusNode: _boxNoFocusNode,
quantityFocusNode: _quantityFocusNode,
isSubmitting: _isSubmitting,
quantityTooHigh: _quantityTooHigh,
canSubmit: _canSubmit,
editingPackedItemId: _editingPackedItemId,
editingPackedQuantity: _editingPackedQuantity,
deletingPackedItemId: _deletingPackedItemId,
onOpenDetail: _openDetail,
onSubmitFromKeyboard: _submitFromKeyboard,
onSubmit: _submit,
onQuantityChanged: () => setState(() {}),
onFinishBox: _finishManyToOneBox,
onEditingPackedQuantityChanged: (value) =>
_editingPackedQuantity = value,
onSavePackedItem: _savePackedItem,
onCancelEditPackedItem: _cancelEditPackedItem,
onStartEditPackedItem: _startEditPackedItem,
onStartDeletePackedItem: (item) {
setState(() {
_deletingPackedItemId = item.boxItemId;
_editingPackedItemId = null;
_editingPackedQuantity = '';
});
},
onDeletePackedItem: _deletePackedItem,
onCancelDeletePackedItem: () =>
setState(() => _deletingPackedItemId = null),
)
: SingleCodeBody(
isWaiting: _phase == _Phase.waiting && _zongpaiNo == null,
isFinished:
_phase == _Phase.scanned &&
_zongpaiNo != null &&
_remainingQuantity <= 0,
zongpaiNo: _zongpaiNo,
paichanNo: _paichanNo,
workOrderNo: _workOrderNo,
erpQuantity: _erpQuantity,
packedQuantity: _packedQuantity,
maxBoxNo: _maxBoxNo,
assignedItems: _currentZongpaiBoxes,
existingBoxes: _existingBoxes,
boxNoController: _boxNoController,
quantityController: _quantityController,
boxNoFocusNode: _boxNoFocusNode,
quantityFocusNode: _quantityFocusNode,
isSubmitting: _isSubmitting,
isDuplicateBoxNo: _isDuplicateBoxNo,
quantityTooHigh: _quantityTooHigh,
canSubmit: _canSubmit,
editingAssignedItemId: _editingAssignedItemId,
editingAssignedQuantity: _editingAssignedQuantity,
deletingAssignedItemId: _deletingAssignedItemId,
onOpenDetail: _openDetail,
onCheckDuplicateBoxNo: _checkDuplicateBoxNo,
onSubmitFromKeyboard: _submitFromKeyboard,
onSubmit: _submit,
onQuantityChanged: () => setState(() {}),
onEditingAssignedQuantityChanged: (value) =>
_editingAssignedQuantity = value,
onSaveAssignedItem: _saveAssignedItem,
onCancelEditAssigned: _cancelEditAssigned,
onStartEditAssigned: _startEditAssigned,
onStartDeleteAssigned: (item) {
setState(() {
_deletingAssignedItemId = item.boxItemId;
_editingAssignedItemId = null;
_editingAssignedQuantity = '';
});
},
onDeleteAssignedItem: _deleteAssignedItem,
onCancelDeleteAssigned: () =>
setState(() => _deletingAssignedItemId = null),
),
),
// 底部状态栏
StatusBar(dotColor: effectiveDot, text: effectiveText),
],
),
),
);
}
List<Widget> _buildNoticeBanners() {
final banners = <Widget>[];
if (_isAutoProcessing) {
banners.add(
_noticeBanner(
icon: SizedBox(
width: 12,
height: 12,
child: CircularProgressIndicator(
strokeWidth: 1.5,
color: Colors.orange.shade700,
),
),
text: '正在同步转运数据...',
background: Colors.orange.shade50,
foreground: Colors.orange.shade900,
border: Colors.orange.shade100,
),
);
}
if (_autoWarnings.isNotEmpty) {
banners.add(
_noticeBanner(
icon: Icon(
Icons.warning_amber,
size: 14,
color: Colors.amber.shade900,
),
text: _autoWarnings.join(''),
background: Colors.amber.shade100,
foreground: Colors.amber.shade900,
border: Colors.amber.shade200,
),
);
}
if (_paichanSwitchNotice != null) {
banners.add(
_noticeBanner(
icon: Icon(Icons.info_outline, size: 14, color: Colors.blue.shade900),
text: _paichanSwitchNotice!,
background: Colors.blue.shade50,
foreground: Colors.blue.shade900,
border: Colors.blue.shade100,
),
);
}
if (_isDuplicateBoxNo && _phase == _Phase.scanned) {
banners.add(
_noticeBanner(
icon: Icon(
Icons.warning_amber,
size: 14,
color: Colors.amber.shade900,
),
text: '箱号 ${_boxNoController.text} 已存在,请重新输入',
background: Colors.amber.shade100,
foreground: Colors.amber.shade900,
border: Colors.amber.shade200,
),
);
}
if (_quantityTooHigh && _phase == _Phase.scanned) {
banners.add(
_noticeBanner(
icon: Icon(Icons.close, size: 14, color: Colors.red.shade800),
text: '超出可装数量上限(最多可装 $_remainingQuantity 件)',
background: Colors.red.shade50,
foreground: Colors.red.shade800,
border: Colors.red.shade100,
),
);
}
if (_phase == _Phase.scanned &&
_zongpaiNo != null &&
_remainingQuantity <= 0) {
final jumpBoxNo = _completedJumpBoxNo;
if (jumpBoxNo != null) {
banners.add(
GestureDetector(
onTap: _jumpToCompletedBox,
behavior: HitTestBehavior.opaque,
child: _noticeBanner(
icon: Icon(Icons.warning, size: 14, color: Colors.amber.shade800),
text: '${_zongpaiNo!} 已完成装箱。(P4跳转所在箱号)',
background: Colors.amber.shade50,
foreground: Colors.amber.shade800,
border: Colors.amber.shade200,
),
),
);
} else {
banners.add(
_noticeBanner(
icon: Icon(Icons.warning, size: 14, color: Colors.red.shade800),
text: '${_zongpaiNo!} 已全部装箱完毕,无需操作',
background: Colors.red.shade50,
foreground: Colors.red.shade800,
border: Colors.red.shade100,
),
);
}
}
return banners;
}
Widget _noticeBanner({
required Widget icon,
required String text,
required Color background,
required Color foreground,
required Color border,
}) {
return Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(vertical: 6, horizontal: 12),
decoration: BoxDecoration(
color: background,
border: Border(bottom: BorderSide(color: border)),
),
child: Row(
children: [
icon,
const SizedBox(width: 6),
Expanded(
child: Text(
text,
style: TextStyle(fontSize: 12, color: foreground),
overflow: TextOverflow.ellipsis,
),
),
],
),
);
}
}