cdc64bf82f
- Implement AppConfigService using path_provider to store settings in a local JSON file,\n ensuring configuration survives app updates/reinstalls.\n - Replace shared_preferences with AppConfigService in HomePage, SettingsPage,\n and RegistrationPage.\n - Replace shared_preferences with AppConfigService in HomePage, SettingsPage,\n and RegistrationPage.\n - Add HomePage.dart as the main navigation hub with feature cards (Registration,\n Boxing, Shelf Query) and dynamic connection status bar.\n - Remove Settings entry from RegistrationPage; Settings are only accessible from\n the Home page. Use 'flutter analyze' to verify the code.
604 lines
21 KiB
Dart
604 lines
21 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:pad_scanner/services/app_config_service.dart';
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import 'package:pad_scanner/services/scanner_service.dart';
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import 'package:pad_scanner/services/code_parser.dart';
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import 'package:pad_scanner/services/api_service.dart';
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class RegistrationPage extends StatefulWidget {
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const RegistrationPage({super.key});
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@override
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State<RegistrationPage> createState() => _RegistrationPageState();
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}
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class _RegistrationPageState extends State<RegistrationPage> {
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final _scannerService = ScannerService();
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final _apiService = ApiService();
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final _zongpaiNos = <String>[];
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String? _locationCode;
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CodeType? _locationType;
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bool _isLocked = false;
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bool _isSubmitting = false;
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String? _successMessage;
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String? _snackbarMessage;
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Color? _snackbarColor;
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@override
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void initState() {
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super.initState();
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_scannerService.scanResults.listen(_onScan);
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}
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void _onScan(ScanResult result) {
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final parsed = CodeParser.parse(result.barcode);
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switch (parsed.type) {
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case CodeType.zongpaiNo:
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setState(() {
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if (_isLocked) {
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// 锁定模式：追加到列表（重复则覆盖）
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final idx = _zongpaiNos.indexOf(parsed.value);
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if (idx >= 0) {
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_zongpaiNos[idx] = parsed.value;
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} else {
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_zongpaiNos.add(parsed.value);
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}
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} else {
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// 单次模式：只有一条，覆盖
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if (_zongpaiNos.isNotEmpty) {
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_zongpaiNos[0] = parsed.value;
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} else {
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_zongpaiNos.add(parsed.value);
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}
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}
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_snackbarMessage = null;
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_successMessage = null;
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});
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case CodeType.locationNormal:
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case CodeType.locationTransit:
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if (!_isLocked) {
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setState(() {
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_locationCode = parsed.value;
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_locationType = parsed.type;
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_snackbarMessage = null;
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_successMessage = null;
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});
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}
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case CodeType.invalid:
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_showFeedback('无效码：${result.barcode}', isError: true);
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}
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}
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void _removeZongpai(int index) {
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setState(() {
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_zongpaiNos.removeAt(index);
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});
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}
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void _showFeedback(String message, {bool isError = false}) {
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setState(() {
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_snackbarMessage = message;
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_snackbarColor = isError ? Colors.red.shade700 : Colors.green.shade700;
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});
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Future.delayed(const Duration(seconds: 2), () {
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if (mounted) setState(() => _snackbarMessage = null);
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});
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}
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String get _statusText {
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if (_isSubmitting) return '正在提交…';
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if (_successMessage != null) return _successMessage!;
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if (_isLocked && _locationCode != null && _zongpaiNos.isEmpty) {
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return '货位已锁定，请扫描下一张执行卡';
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}
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final hasZ = _zongpaiNos.isNotEmpty;
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final hasL = _locationCode != null;
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if (hasZ && hasL) return '请确认信息并提交';
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if (hasZ && !hasL) return '请扫描目标货位号';
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if (!hasZ && hasL) return '请扫描执行卡';
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return '等待扫描总排号或货位号…';
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}
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bool get _canSubmit =>
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_zongpaiNos.isNotEmpty && _locationCode != null && !_isSubmitting;
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Future<void> _submit() async {
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if (!_canSubmit) return;
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final configService = AppConfigService();
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final baseUrl = await configService.getString('api_url') ?? '';
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if (baseUrl.isEmpty) {
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_showFeedback('未配置 API 地址，请前往设置', isError: true);
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return;
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}
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setState(() => _isSubmitting = true);
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if (_isLocked && _zongpaiNos.length > 1) {
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// 批量提交：逐个提交列表中的总排号
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await _submitBatch(baseUrl);
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} else {
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// 单条提交
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await _submitOne(baseUrl, _zongpaiNos.first);
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}
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}
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Future<void> _submitOne(String baseUrl, String zongpaiNo) async {
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final result = await _apiService.registerLocation(
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baseUrl: baseUrl,
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zongpaiNo: zongpaiNo,
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locationCode: _locationCode!,
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);
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if (!mounted) return;
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setState(() => _isSubmitting = false);
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if (result.success) {
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setState(() {
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_zongpaiNos.remove(zongpaiNo);
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if (!_isLocked) {
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_locationCode = null;
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_locationType = null;
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}
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_successMessage = _isLocked ? '货位已锁定，请扫描下一张执行卡' : '上架成功';
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});
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_showFeedback('上架成功', isError: false);
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Future.delayed(const Duration(milliseconds: 1500), () {
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if (mounted) setState(() => _successMessage = null);
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});
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} else if (result.isDuplicate) {
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_showDuplicateDialog(zongpaiNo, result.duplicateInfo);
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} else {
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_showFeedback(result.errorMessage ?? '提交失败', isError: true);
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}
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}
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Future<void> _submitBatch(String baseUrl) async {
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int successCount = 0;
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final failed = <String>[];
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final toRemove = <String>[];
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for (final zp in List.of(_zongpaiNos)) {
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final result = await _apiService.registerLocation(
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baseUrl: baseUrl,
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zongpaiNo: zp,
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locationCode: _locationCode!,
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);
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if (result.success) {
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successCount++;
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toRemove.add(zp);
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} else {
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failed.add(zp);
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if (result.isDuplicate) {
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// 重复上架弹窗中断批量流程
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setState(() {
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_zongpaiNos.removeWhere((e) => toRemove.contains(e));
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_isSubmitting = false;
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});
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_showDuplicateDialog(zp, result.duplicateInfo);
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return;
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}
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}
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}
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if (!mounted) return;
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setState(() {
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_zongpaiNos.removeWhere((e) => toRemove.contains(e));
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_isSubmitting = false;
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});
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if (failed.isEmpty) {
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_showFeedback('批量上架成功（$successCount 条）', isError: false);
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} else {
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_showFeedback('成功 $successCount 条，失败 ${failed.length} 条', isError: true);
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}
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}
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void _showDuplicateDialog(String zongpaiNo, Map<String, dynamic>? info) {
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showDialog(
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context: context,
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barrierDismissible: false,
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builder: (ctx) => AlertDialog(
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backgroundColor: Colors.red.shade50,
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title: const Row(
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children: [
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Icon(Icons.warning, color: Colors.red),
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SizedBox(width: 8),
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Text('重复上架', style: TextStyle(color: Colors.red)),
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],
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),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('总排号：$zongpaiNo'),
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const SizedBox(height: 4),
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Text('已登记货位：${info?["location_code"] ?? "未知"}'),
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const SizedBox(height: 4),
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Text('登记时间：${info?["registered_at"] ?? "未知"}'),
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const SizedBox(height: 12),
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const Text(
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'请核查实物，确认是否操作错误。',
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style: TextStyle(fontWeight: FontWeight.bold),
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),
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],
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx),
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child: const Text('关闭'),
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),
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],
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),
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);
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}
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void _toggleLock(bool value) {
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if (value && _locationCode == null) {
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_showFeedback('请先扫描货位号', isError: true);
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return;
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}
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setState(() {
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_isLocked = value;
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if (!value) {
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// 退出锁定模式，只保留最后一条总排号
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if (_zongpaiNos.length > 1) {
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_zongpaiNos.removeRange(0, _zongpaiNos.length - 1);
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}
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}
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});
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}
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String _locationLabel(CodeType? type) {
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if (type == CodeType.locationTransit) return '转运区域';
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return '普通货架';
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}
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Color _locationLabelColor(CodeType? type) {
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if (type == CodeType.locationTransit) return Colors.orange;
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return Colors.blue;
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}
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@override
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Widget build(BuildContext context) {
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final colorScheme = Theme.of(context).colorScheme;
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return Scaffold(
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appBar: AppBar(
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title: const Text('上架登记'),
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actions: [
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Padding(
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padding: const EdgeInsets.only(right: 4),
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child: Row(
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children: [
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const Text('锁定货位', style: TextStyle(fontSize: 13)),
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Switch(value: _isLocked, onChanged: _toggleLock),
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],
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),
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),
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],
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),
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body: Column(
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children: [
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// Feedback banner
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if (_snackbarMessage != null)
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Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(vertical: 10, horizontal: 16),
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color: _snackbarColor,
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child: Text(
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_snackbarMessage!,
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style: const TextStyle(color: Colors.white, fontSize: 14),
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textAlign: TextAlign.center,
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),
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),
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// Main form area
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Expanded(
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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children: [
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// ---- 目标货位 (上方) ----
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Row(
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children: [
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const Text(
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'目标货位',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w500,
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),
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),
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if (_locationCode != null) ...[
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const SizedBox(width: 8),
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 6,
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vertical: 2,
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),
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decoration: BoxDecoration(
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color: _locationLabelColor(
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_locationType,
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).withValues(alpha: 0.15),
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borderRadius: BorderRadius.circular(4),
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),
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child: Text(
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_locationLabel(_locationType),
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style: TextStyle(
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fontSize: 11,
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color: _locationLabelColor(_locationType),
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fontWeight: FontWeight.bold,
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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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const SizedBox(height: 6),
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Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 14,
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),
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decoration: BoxDecoration(
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border: Border.all(
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color: _locationCode != null
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? Colors.green
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: Colors.grey.shade400,
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width: _locationCode != null ? 2 : 1,
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),
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borderRadius: BorderRadius.circular(8),
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),
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child: Row(
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children: [
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Expanded(
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child: Text(
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_locationCode ?? '',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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color: _locationCode != null
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? Colors.black87
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: Colors.grey,
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),
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),
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),
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if (_isLocked)
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const Icon(
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Icons.lock,
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color: Colors.orange,
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size: 20,
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),
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],
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),
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),
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const SizedBox(height: 16),
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// ---- 总排号 (下方) ----
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Row(
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children: [
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const Text(
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'总排号',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w500,
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),
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),
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if (_isLocked && _zongpaiNos.isNotEmpty) ...[
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const SizedBox(width: 8),
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 6,
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vertical: 2,
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),
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decoration: BoxDecoration(
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color: Colors.blue.withValues(alpha: 0.15),
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borderRadius: BorderRadius.circular(4),
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),
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child: Text(
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'${_zongpaiNos.length} 条',
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style: const TextStyle(
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fontSize: 11,
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color: Colors.blue,
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fontWeight: FontWeight.bold,
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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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const SizedBox(height: 6),
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if (_isLocked) ...[
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// 锁定模式：列表显示多条总排号
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Expanded(
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child: _zongpaiNos.isEmpty
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? Container(
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width: double.infinity,
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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border: Border.all(color: Colors.grey.shade400),
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borderRadius: BorderRadius.circular(8),
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),
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child: const Text(
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'',
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style: TextStyle(
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fontSize: 20,
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color: Colors.grey,
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),
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),
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)
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: ListView.separated(
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itemCount: _zongpaiNos.length,
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separatorBuilder: (_, __) =>
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const SizedBox(height: 6),
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itemBuilder: (context, index) {
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return Dismissible(
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key: ValueKey('${_zongpaiNos[index]}-$index'),
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direction: DismissDirection.endToStart,
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onDismissed: (_) => _removeZongpai(index),
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background: Container(
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alignment: Alignment.centerRight,
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padding: const EdgeInsets.only(right: 16),
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decoration: BoxDecoration(
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color: Colors.red.shade100,
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borderRadius: BorderRadius.circular(8),
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),
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child: const Icon(
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Icons.delete,
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color: Colors.red,
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),
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),
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child: Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 12,
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),
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decoration: BoxDecoration(
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border: Border.all(
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color: Colors.green,
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width: 2,
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),
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borderRadius: BorderRadius.circular(8),
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),
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child: Row(
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children: [
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Expanded(
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child: Text(
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_zongpaiNos[index],
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style: const TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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color: Colors.black87,
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),
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),
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),
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IconButton(
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icon: const Icon(
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Icons.close,
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size: 20,
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),
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onPressed: () =>
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_removeZongpai(index),
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padding: EdgeInsets.zero,
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constraints: const BoxConstraints(),
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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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] else ...[
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// 单次模式：单个显示
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Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 14,
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),
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decoration: BoxDecoration(
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border: Border.all(
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color: _zongpaiNos.isNotEmpty
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? Colors.green
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: Colors.grey.shade400,
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width: _zongpaiNos.isNotEmpty ? 2 : 1,
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),
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borderRadius: BorderRadius.circular(8),
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),
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child: Text(
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_zongpaiNos.isNotEmpty ? _zongpaiNos.first : '',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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color: _zongpaiNos.isNotEmpty
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? Colors.black87
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: Colors.grey,
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),
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),
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),
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],
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const SizedBox(height: 16),
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// Submit button
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SizedBox(
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width: double.infinity,
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height: 48,
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child: ElevatedButton(
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onPressed: _canSubmit ? _submit : null,
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style: ElevatedButton.styleFrom(
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backgroundColor: _canSubmit
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? colorScheme.primary
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: Colors.grey.shade300,
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foregroundColor: _canSubmit
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? Colors.white
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: Colors.grey.shade600,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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),
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),
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child: _isSubmitting
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? const SizedBox(
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width: 22,
|
|
height: 22,
|
|
child: CircularProgressIndicator(
|
|
strokeWidth: 2,
|
|
color: Colors.white,
|
|
),
|
|
)
|
|
: Text(
|
|
_isLocked && _zongpaiNos.length > 1
|
|
? '批量上架（${_zongpaiNos.length} 条）'
|
|
: '确 认 上 架',
|
|
style: const TextStyle(fontSize: 18),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
|
|
// Status bar at bottom
|
|
Container(
|
|
width: double.infinity,
|
|
padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 16),
|
|
color: colorScheme.surfaceContainerHighest,
|
|
child: Row(
|
|
children: [
|
|
Container(
|
|
width: 8,
|
|
height: 8,
|
|
decoration: BoxDecoration(
|
|
color: _isSubmitting
|
|
? Colors.orange
|
|
: _successMessage != null
|
|
? Colors.green
|
|
: Colors.blue,
|
|
shape: BoxShape.circle,
|
|
),
|
|
),
|
|
const SizedBox(width: 8),
|
|
Expanded(
|
|
child: Text(
|
|
_statusText,
|
|
style: const TextStyle(fontSize: 14),
|
|
overflow: TextOverflow.ellipsis,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|