Kml, kmz és geojson import és térképi megjelnítésük.

2026-06-21 10:07:35 +02:00
parent 0828630a5b
commit 7c29bc7ae5
14 changed files with 1095 additions and 13 deletions
@@ -0,0 +1,96 @@
+// Importált réteg modellje.
+// A GeoJsonParser közvetlenül flutter_map objektumokat gyárt,
+// ezeket csomagoljuk egy kezelhető rétegbe.
+
+import 'package:flutter_map/flutter_map.dart';
+import 'package:latlong2/latlong.dart';
+import 'package:terepi_seged/enums/layer_import_source_type.dart';
+import 'package:uuid/uuid.dart';
+
+class ImportedLayer {
+  final String id;
+  final String name;
+  final LayerImportSourceType sourceType;
+
+  // flutter_map objektumok — közvetlenül a réteg widgetekbe kerülnek
+  final List<Marker> markers;
+  final List<Polyline> polylines;
+  final List<Polygon> polygons;
+
+  final bool isVisible;
+  final DateTime importedAt;
+
+  const ImportedLayer({
+    required this.id,
+    required this.name,
+    required this.sourceType,
+    required this.markers,
+    required this.polylines,
+    required this.polygons,
+    this.isVisible = true,
+    required this.importedAt,
+  });
+
+  // ── Statisztikák ──────────────────────────────────────────────────
+
+  int get featureCount => markers.length + polylines.length + polygons.length;
+
+  bool get isEmpty => featureCount == 0;
+
+  // ── Bounding box — zoom a rétegre ─────────────────────────────────
+
+  LatLngBounds? get bounds {
+    final points = <LatLng>[
+      ...markers.map((m) => m.point),
+      ...polylines.expand((p) => p.points),
+      ...polygons.expand((p) => p.points),
+    ];
+    if (points.isEmpty) return null;
+
+    var minLat = points.first.latitude;
+    var maxLat = points.first.latitude;
+    var minLon = points.first.longitude;
+    var maxLon = points.first.longitude;
+
+    for (final p in points) {
+      if (p.latitude < minLat) minLat = p.latitude;
+      if (p.latitude > maxLat) maxLat = p.latitude;
+      if (p.longitude < minLon) minLon = p.longitude;
+      if (p.longitude > maxLon) maxLon = p.longitude;
+    }
+
+    return LatLngBounds(
+      LatLng(minLat, minLon),
+      LatLng(maxLat, maxLon),
+    );
+  }
+
+  ImportedLayer copyWith({bool? isVisible}) => ImportedLayer(
+        id: id,
+        name: name,
+        sourceType: sourceType,
+        markers: markers,
+        polylines: polylines,
+        polygons: polygons,
+        isVisible: isVisible ?? this.isVisible,
+        importedAt: importedAt,
+      );
+
+  // ── Gyártó: GeoJsonParser kimenetéből ─────────────────────────────
+
+  static ImportedLayer fromGeoJsonParser({
+    required dynamic parser, // GeoJsonParser
+    required String name,
+    LayerImportSourceType source = LayerImportSourceType.geoJson,
+  }) {
+    return ImportedLayer(
+      id: const Uuid().v4(),
+      name: name,
+      sourceType: source,
+      markers: List.from(parser.markers as List),
+      polylines: List.from(parser.polylines as List),
+      polygons: List.from(parser.polygons as List),
+      importedAt: DateTime.now(),
+    );
+  }
+}
@@ -0,0 +1,72 @@
+import 'package:terepi_seged/enums/layer_import_source_type.dart';
+
+class ImportedLayerMeta {
+  final String id;
+  final String name;
+  final LayerImportSourceType sourceType;
+  final String localPath; // fájl elérési út
+  final String? storagePath; // Supabase Storage (megosztáskor)
+  final bool isVisible;
+  final int? projectId;
+  final DateTime importedAt;
+  final DateTime? syncedAt;
+
+  const ImportedLayerMeta({
+    required this.id,
+    required this.name,
+    required this.sourceType,
+    required this.localPath,
+    this.storagePath,
+    this.isVisible = true,
+    this.projectId,
+    required this.importedAt,
+    this.syncedAt,
+  });
+
+  bool get isSynced => storagePath != null;
+
+  Map<String, dynamic> toMap() => {
+        'id': id,
+        'name': name,
+        'source_type': sourceType.name,
+        'local_path': localPath,
+        'storage_path': storagePath,
+        'is_visible': isVisible ? 1 : 0,
+        'project_id': projectId,
+        'imported_at': importedAt.toIso8601String(),
+        'synced_at': syncedAt?.toIso8601String(),
+      };
+
+  factory ImportedLayerMeta.fromMap(Map<String, dynamic> m) =>
+      ImportedLayerMeta(
+        id: m['id'] as String,
+        name: m['name'] as String,
+        sourceType:
+            LayerImportSourceType.values.byName(m['source_type'] as String),
+        localPath: m['local_path'] as String,
+        storagePath: m['storage_path'] as String?,
+        isVisible: (m['is_visible'] as int) == 1,
+        projectId: m['project_id'] as int?,
+        importedAt: DateTime.parse(m['imported_at'] as String),
+        syncedAt: m['synced_at'] != null
+            ? DateTime.parse(m['synced_at'] as String)
+            : null,
+      );
+
+  ImportedLayerMeta copyWith({
+    bool? isVisible,
+    String? storagePath,
+    DateTime? syncedAt,
+  }) =>
+      ImportedLayerMeta(
+        id: id,
+        name: name,
+        sourceType: sourceType,
+        localPath: localPath,
+        storagePath: storagePath ?? this.storagePath,
+        isVisible: isVisible ?? this.isVisible,
+        projectId: projectId,
+        importedAt: importedAt,
+        syncedAt: syncedAt ?? this.syncedAt,
+      );
+}