Importált rétegek stílusának szerkesztése

lib/services/app_database.dart

@@ -38,7 +38,7 @@ class AppDatabase {
     final path = p.join(dbDir.path, 'terepi_seged.db');
 
     return openDatabase(path,
-        version: 1,
+        version: 2,
         onConfigure: (db) => db.execute('PRAGMA foreign_keys = ON'),
         onCreate: _onCreate,
         onUpgrade: _onUpgrade);
@@ -202,6 +202,9 @@ class AppDatabase {
     source_type  TEXT    NOT NULL,
     local_path   TEXT    NOT NULL,
     storage_path TEXT,
+    color_hex    TEXT,
+    opacity      REAL,
+    stroke_width REAL,
     is_visible   INTEGER NOT NULL DEFAULT 1,
     project_id   INTEGER,
     imported_at  TEXT    NOT NULL,
@@ -224,7 +227,19 @@ class AppDatabase {
     });
   }
 
-  Future<void> _onUpgrade(Database db, int oldVersion, int newVersion) async {}
+  Future<void> _onUpgrade(Database db, int oldVersion, int newVersion) async {
+    if (oldVersion < 2) {
+      await db.execute('''
+      ALTER TABLE imported_layers ADD COLUMN color_hex    TEXT;
+    ''');
+      await db.execute('''
+      ALTER TABLE imported_layers ADD COLUMN opacity      REAL;
+    ''');
+      await db.execute('''
+      ALTER TABLE imported_layers ADD COLUMN stroke_width REAL;
+    ''');
+    }
+  }
 
   // ── Projects CRUD ─────────────────────────────────────────────────
 

lib/services/layer_import_service.dart

@@ -22,6 +22,29 @@ import '../controls/geojson_parser.dart';
 import '../core/kml_parser.dart';
 import '../services/project_service.dart';
 
+class ImportedLayerStyle {
+  final Color color;
+  final double opacity;
+  final double strokeWidth;
+
+  const ImportedLayerStyle({
+    required this.color,
+    this.opacity = 0.35,
+    this.strokeWidth = 2.5,
+  });
+
+  ImportedLayerStyle copyWith({
+    Color? color,
+    double? opacity,
+    double? strokeWidth,
+  }) =>
+      ImportedLayerStyle(
+        color: color ?? this.color,
+        opacity: opacity ?? this.opacity,
+        strokeWidth: strokeWidth ?? this.strokeWidth,
+      );
+}
+
 class LayerImportService extends GetxService {
   static LayerImportService get to => Get.find();
 
@@ -40,6 +63,7 @@ class LayerImportService extends GetxService {
 
   String? _layerDir;
   static const _uuid = Uuid();
+  final layerStyles = <String, ImportedLayerStyle>{}.obs;
 
   // ── Inicializálás ──────────────────────────────────────────────────────────
 
@@ -137,6 +161,11 @@ class LayerImportService extends GetxService {
           final ext = meta.localPath.split('.').last;
           loaded.add(_parse(bytes, meta.name, meta.id, ext,
               isVisible: meta.isVisible));
+
+          final style = meta.getStyle();
+          if (style != null) {
+            layerStyles[meta.id] = style;
+          }
         } catch (e) {
           debugPrint('Réteg betöltés hiba (${meta.name}): $e');
         }
@@ -271,4 +300,25 @@ class LayerImportService extends GetxService {
         'kmz' => LayerImportSourceType.kmz,
         _ => LayerImportSourceType.geoJson,
       };
+
+  void setLayerStyle(String id, ImportedLayerStyle style) async {
+    layerStyles[id] = style;
+    layerStyles.refresh();
+    layers.refresh();
+
+    final metas = await AppDatabase.instance.listImportedLayers();
+    final meta = metas.firstWhereOrNull((m) => m.id == id);
+
+    if (meta != null) {
+      final hex =
+          '#${style.color.value.toRadixString(16).padLeft(8, '0').substring(2).toUpperCase()}';
+
+      await AppDatabase.instance.updateImportedLayer(meta.copyWith(
+          colorHex: hex,
+          opacity: style.opacity,
+          strokeWidth: style.strokeWidth));
+    }
+  }
+
+  ImportedLayerStyle? getLayerStyle(String id) => layerStyles[id];
 }