reformat the code

Author: AhmedAbdoElhawary

…tures/grid/view_model/grid_notifier.dart …/searching/view_model/grid_notifier.dartlib/features/grid/view_model/grid_notifier.dart renamed to lib/features/searching/view_model/grid_notifier.dart lib/features/grid/view_model/grid_notifier.dart renamed to lib/features/searching/view_model/grid_notifier.dart

@@ -18,9 +18,9 @@ class MazeDirection {
   static const right = MazeDirection._(0, 1);
 }
 
-class GridNotifierCubit extends StateNotifier<GridNotifierState> {
-  GridNotifierCubit() : super(GridNotifierState());
-  final int columnSquares = 20;
+class SearchingNotifier extends StateNotifier<GridNotifierState> {
+  SearchingNotifier() : super(GridNotifierState());
+  final int columnSquares = 40;
   static const Duration scaleAppearDurationForWall = Duration(milliseconds: 700);
   static const Duration clearDuration = Duration(microseconds: 1);
   static const Duration drawFindingPathDuration = Duration(milliseconds: 2);
@@ -359,8 +359,11 @@ class GridNotifierCubit extends StateNotifier<GridNotifierState> {
       final newRow = row + direction.rowDelta * 2;
       final newCol = col + direction.colDelta * 2;
 
+      final currentGrid = gridData[newRow * state.columnCrossAxisCount + newCol];
       if (_isValidCell(newRow, newCol) &&
-          gridData[newRow * state.columnCrossAxisCount + newCol] == GridStatus.empty) {
+          currentGrid == GridStatus.empty &&
+          currentGrid != GridStatus.startPoint &&
+          currentGrid != GridStatus.targetPoint) {
         gridData[(row + direction.rowDelta) * state.columnCrossAxisCount + (col + direction.colDelta)] =
             GridStatus.wall;
         gridData[newRow * state.columnCrossAxisCount + newCol] = GridStatus.wall;

…grid/view_model/grid_notifier_state.dart …hing/view_model/grid_notifier_state.dartlib/features/grid/view_model/grid_notifier_state.dart renamed to lib/features/searching/view_model/grid_notifier_state.dart lib/features/grid/view_model/grid_notifier_state.dart renamed to lib/features/searching/view_model/grid_notifier_state.dart

@@ -42,15 +42,16 @@ final class GridNotifierState {
     List<GridStatus>? gridData,
     int? currentTappedIndex,
   }) {
+
     return GridNotifierState(
-      columnCrossAxisCount: columnCrossAxisCount ?? this.columnCrossAxisCount,
-      rowMainAxisCount: rowMainAxisCount ?? this.rowMainAxisCount,
-      gridSize: gridSize ?? this.gridSize,
-      gridCount: gridCount ?? this.gridCount,
-      screenHeight: screenHeight ?? this.screenHeight,
-      screenWidth: screenWidth ?? this.screenWidth,
-      gridData: gridData ?? this.gridData,
-      currentTappedIndex: currentTappedIndex ?? this.currentTappedIndex,
+      columnCrossAxisCount: columnCrossAxisCount!=this.columnCrossAxisCount?(columnCrossAxisCount ?? this.columnCrossAxisCount):this.columnCrossAxisCount,
+      rowMainAxisCount: rowMainAxisCount!=this.rowMainAxisCount?(rowMainAxisCount ?? this.rowMainAxisCount):this.rowMainAxisCount,
+      gridSize: gridSize!=this.gridSize?(gridSize ?? this.gridSize):this.gridSize,
+      gridCount: gridCount!=this.gridCount?(gridCount ?? this.gridCount):this.gridCount,
+      screenHeight: screenHeight!=this.screenHeight?(screenHeight ?? this.screenHeight):this.screenHeight,
+      screenWidth: screenWidth!=this.screenWidth?(screenWidth ?? this.screenWidth):this.screenWidth,
+      gridData: gridData!=this.gridData?(gridData ?? this.gridData):this.gridData,
+      currentTappedIndex: currentTappedIndex!=this.currentTappedIndex?(currentTappedIndex ?? this.currentTappedIndex):this.currentTappedIndex,
     );
   }
 }