地图显示缓存逻辑

lib/features/home/presentation/widgets/map/testmap_pages.dart

@@ -41,12 +41,20 @@ import 'package:maibu_satabot_v2/features/home/presentation/widgets/obsToast.dar
 import 'package:maibu_satabot_v2/features/home/presentation/widgets/startpoint_area.dart';
 import 'package:image/image.dart' as _image; // 注意命名空间冲突，使用 as img
 import 'package:maibu_satabot_v2/features/home/presentation/widgets/video.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 import 'dart:ui' as ui;
 
 import '../path_list_pages.dart';
 
 // 定义轨迹点类型（经纬度）
 typedef PlotPoint = LatLng;
+// 本地存储Key常量
+const String kSavedPlotData = 'saved_plot_data';
+const String kSavedGcjPathPoints = 'saved_gcj_path_points';
+const String kSavedGcjOuterPoints = 'saved_gcj_outer_points';
+const String kSavedMarkedPoints = 'saved_marked_points';
+const String kSavedObstacleHoles = 'saved_obstacle_holes';
+const String kSavedIsWorkAreaCompleted = 'saved_is_work_area_completed';
 
 // 保持 PlotData 类不变
 class PlotData {
@@ -114,7 +122,7 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
   List<PlotPoint>? gctracePoint = [];
 
   // ========== 核心新增状态 ==========
-  final List<LatLng> _markedPoints = []; // 存储所有s十字准星打点坐标
+  List<LatLng> _markedPoints = []; // 存储所有s十字准星打点坐标
   List<LatLng> _robotModeWgsPoints = []; // Robot模式下从设备获取的wgs打点
   List<LatLng> _robotModeObsWgsPoints = []; // Robot模式下从设备获取的wgs打点  障碍物
 
@@ -153,6 +161,8 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
     _currentStation = _stationList.first;
     _traceManager = TracePoint<PlotPoint>();
     _initLocationEnterprise();
+    // 新增：加载本地存储的绘制数据
+    _loadSavedData();
 
     // 示例：切换到导航模式
     _traceManager.setMode(TPMode.LOCATION);
@@ -175,6 +185,105 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
     });
   }
 
+  // 新增：手动清除本地存储数据
+  Future<void> _clearLocalData() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      prefs.remove(kSavedGcjPathPoints);
+      prefs.remove(kSavedGcjOuterPoints);
+      prefs.remove(kSavedMarkedPoints);
+      prefs.remove(kSavedObstacleHoles);
+      prefs.remove(kSavedIsWorkAreaCompleted);
+      debugPrint('本地存储的绘制数据已清空');
+    } catch (e) {
+      debugPrint('清空本地数据失败：$e');
+    }
+  }
+
+  // 新增：加载本地存储数据方法
+  Future<void> _loadSavedData() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+
+      // 加载路径点
+      final pathJson = prefs.getString(kSavedGcjPathPoints);
+      if (pathJson != null) {
+        final List<dynamic> pathList = jsonDecode(pathJson);
+        gcjPathPoints = pathList.map((item) => LatLng(double.parse(item['lat'].toString()), double.parse(item['lng'].toString()))).toList();
+      }
+
+      // 加载外边界点
+      final outerJson = prefs.getString(kSavedGcjOuterPoints);
+      if (outerJson != null) {
+        final List<dynamic> outerList = jsonDecode(outerJson);
+        gcjOuterPoints = outerList.map((item) => LatLng(double.parse(item['lat'].toString()), double.parse(item['lng'].toString()))).toList();
+      }
+
+      // 加载打点数据
+      final markedJson = prefs.getString(kSavedMarkedPoints);
+      if (markedJson != null) {
+        final List<dynamic> markedList = jsonDecode(markedJson);
+        _markedPoints = markedList.map((item) => LatLng(double.parse(item['lat'].toString()), double.parse(item['lng'].toString()))).toList().toList();
+      }
+
+      // 加载障碍物数据
+      final obstacleJson = prefs.getString(kSavedObstacleHoles);
+      if (obstacleJson != null) {
+        final List<dynamic> obstacleList = jsonDecode(obstacleJson);
+        _obstacleHoles = obstacleList.map((hole) {
+          return (hole as List<dynamic>).map((item) => LatLng(double.parse(item['lat'].toString()), double.parse(item['lng'].toString()))).toList();
+        }).toList();
+      }
+
+      // 加载作业区域完成状态
+      _isWorkAreaCompleted = prefs.getBool(kSavedIsWorkAreaCompleted) ?? false;
+      _saveBoxOpen = _isWorkAreaCompleted;
+
+      if (mounted) {
+        setState(() {});
+        // 移动地图到绘制内容中心
+        List<LatLng> allPoints = [];
+        allPoints.addAll(gcjPathPoints);
+        allPoints.addAll(gcjOuterPoints);
+        if (allPoints.isNotEmpty) {
+          moveMapToPointsCenter(allPoints);
+        }
+      }
+    } catch (e) {
+      debugPrint('加载本地数据失败：$e');
+    }
+  }
+
+  // 新增：保存绘制数据到本地
+  Future<void> _saveDataToLocal() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+
+      // 保存路径点
+      final pathList = gcjPathPoints.map((point) => {'lat': point.latitude, 'lng': point.longitude}).toList();
+      prefs.setString(kSavedGcjPathPoints, jsonEncode(pathList));
+
+      // 保存外边界点
+      final outerList = gcjOuterPoints.map((point) => {'lat': point.latitude, 'lng': point.longitude}).toList();
+      prefs.setString(kSavedGcjOuterPoints, jsonEncode(outerList));
+
+      // 保存打点数据
+      final markedList = _markedPoints.map((point) => {'lat': point.latitude, 'lng': point.longitude}).toList();
+      prefs.setString(kSavedMarkedPoints, jsonEncode(markedList));
+
+      // 保存障碍物数据
+      final obstacleList = _obstacleHoles.map((hole) {
+        return hole.map((point) => {'lat': point.latitude, 'lng': point.longitude}).toList();
+      }).toList();
+      prefs.setString(kSavedObstacleHoles, jsonEncode(obstacleList));
+
+      // 保存作业区域完成状态
+      prefs.setBool(kSavedIsWorkAreaCompleted, _isWorkAreaCompleted);
+    } catch (e) {
+      debugPrint('保存本地数据失败：$e');
+    }
+  }
+
   // ========== 新增：计算坐标列表的边界范围 ==========
   LatLngBounds? calculateBounds(List<LatLng> points) {
     if (points.isEmpty) return null;
@@ -513,6 +622,7 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
         ToastUtils.showInfo(context, '暂无障碍物可撤回');
       }
     });
+    _saveDataToLocal();
   }
 
   // ========== 统一删除方法（适配完成后状态） ==========
@@ -559,6 +669,7 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
         ToastUtils.showSuccess(context, '已清空所有障碍物');
       }
     });
+    _saveDataToLocal();
   }
 
   void _handleGotoLocation() {
@@ -625,6 +736,7 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
 
         isDjMapShow = false;
       });
+      _clearLocalData();
 
       // 3. 重新初始化定位
       await _initLocationEnterprise();
@@ -700,6 +812,7 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
       _robotModeObsWgsPoints.clear(); // 清空Robot模式下的障碍物WGS84坐标
       _isObstacleEditing = false; // 退出编辑状态
     });
+    _saveDataToLocal();
 
     debugPrint('完成障碍物绘制，当前障碍物组数：${_obstacleHoles.length}');
     ToastUtils.showSuccess(context, '已添加第${_obstacleHoles.length}个障碍物区域');
@@ -742,6 +855,7 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
         }
       }
     });
+    _saveDataToLocal();
     debugPrint('$_markedPoints,新增打点：第${_markedPoints.length}个点，经纬度：${_mapCenter.latitude.toStringAsFixed(20)}, ${_mapCenter.longitude.toStringAsFixed(20)}');
   }
 
@@ -1768,6 +1882,7 @@ class _MapPageEnterpriseState extends State<MapPageEnterprise> {
             // 外边界保持原有逻辑
             gcjOuterPoints = List.from(_markedPoints);
           });
+          _saveDataToLocal();
           moveMapToPointsCenter(gcjPathPoints);
         }
       }