add performDijkstra

Author: AhmedAbdoElhawary

lib/features/grid/view/grid_page.dart

@@ -21,7 +21,7 @@ BorderDirectional _thineVerticalBorder() => BorderDirectional(
       top: _borderSide(true),
       start: _borderSide(true),
       end: _borderSide(true),
-      bottom:  _borderSide(true),
+      bottom: _borderSide(true),
     );
 
 class GridPage extends StatelessWidget {
@@ -32,6 +32,16 @@ class GridPage extends StatelessWidget {
     return Scaffold(
       appBar: AppBar(
         actions: [
+          Consumer(
+            builder: (context, ref, _) {
+              return TextButton(
+                onPressed: () {
+                  ref.read(gridNotifierProvider.notifier).performDijkstra();
+                },
+                child: const RegularText("Start Dijkstra"),
+              );
+            },
+          ),
           Consumer(
             builder: (context, ref, _) {
               return TextButton(

lib/features/grid/view_model/grid_notifier.dart

@@ -215,7 +215,7 @@ class GridNotifierCubit extends StateNotifier<GridNotifierState> {
       // for marking the current grid as visited
       if (gridData[currentIndex] != GridStatus.startPoint &&
           gridData[currentIndex] != GridStatus.targetPoint) {
-        gridData[currentIndex] = GridStatus.filledSearcher;
+        gridData[currentIndex] = GridStatus.searcher;
         state = state.copyWith(gridData: List<GridStatus>.from(gridData));
         await Future.delayed(drawSearcherDuration);
       }
@@ -276,7 +276,7 @@ class GridNotifierCubit extends StateNotifier<GridNotifierState> {
           // Visualize the search process
           if (gridData[neighborIndex] != GridStatus.startPoint &&
               gridData[neighborIndex] != GridStatus.targetPoint) {
-            gridData[neighborIndex] = GridStatus.filledSearcher;
+            gridData[neighborIndex] = GridStatus.searcher;
             state = state.copyWith(gridData: List<GridStatus>.from(gridData));
             await Future.delayed(drawSearcherDuration);
           }