Implemented different eraser and selector modes

api/lib/src/models/element.dart

@@ -220,6 +220,7 @@ sealed class PadElement with _$PadElement {
   bool isStroke() => switch (this) {
     PenElement _ => true,
     ShapeElement _ => true,
+    PolygonElement _ => true,
     _ => false,
   };
 }

api/lib/src/models/tool.dart

@@ -40,6 +40,29 @@ enum BarcodeType {
   const BarcodeType({this.width = 300, this.height = 300});
 }
 
+enum HitElementMode {
+  none,
+  full,
+  touchEdges,
+  touchAnywhere;
+
+  static List<HitElementMode> eraserValues() {
+    return [
+      HitElementMode.none,
+      HitElementMode.touchEdges,
+      HitElementMode.touchAnywhere,
+    ];
+  }
+
+  static List<HitElementMode> selectorValues() {
+    return [
+      HitElementMode.full,
+      HitElementMode.touchEdges,
+      HitElementMode.touchAnywhere,
+    ];
+  }
+}
+
 @Freezed(equal: false)
 sealed class Tool with _$Tool {
   Tool._();
@@ -49,6 +72,7 @@ sealed class Tool with _$Tool {
     @Default('') String displayIcon,
     @IdJsonConverter() String? id,
     @Default(SelectMode.rectangle) SelectMode mode,
+    @Default(HitElementMode.touchAnywhere) HitElementMode hitElementMode,
   }) = SelectTool;
 
   factory Tool.hand({
@@ -104,6 +128,7 @@ sealed class Tool with _$Tool {
     @Default('') String displayIcon,
     @IdJsonConverter() String? id,
     @Default(5) double strokeWidth,
+    @Default(HitElementMode.touchAnywhere) HitElementMode hitElementMode,
     @Default(false) bool eraseElements,
   }) = EraserTool;
 
@@ -112,6 +137,7 @@ sealed class Tool with _$Tool {
     @Default('') String displayIcon,
     @IdJsonConverter() String? id,
     @Default(5) double strokeWidth,
+    @Default(HitElementMode.touchAnywhere) HitElementMode hitElementMode,
     @Default(false) bool eraseElements,
   }) = PathEraserTool;
 

api/lib/src/models/utilities.dart

@@ -7,20 +7,14 @@ part 'utilities.g.dart';
 @JsonSerializable()
 final class UtilitiesState with _$UtilitiesState {
   @override
-  final bool lockCollection,
-      lockLayer,
-      lockZoom,
-      lockHorizontal,
-      lockVertical,
-      fullSelection;
+  final bool lockCollection, lockLayer, lockZoom, lockHorizontal, lockVertical;
 
   const UtilitiesState({
     this.lockCollection = false,
     this.lockLayer = false,
     this.lockZoom = false,
     this.lockHorizontal = false,
     this.lockVertical = false,
-    this.fullSelection = false,
   });
 
   factory UtilitiesState.fromJson(Map<String, dynamic> json) =>