Mozliwosc resetowania

Life/Automaton/GameOfLife.cs

@@ -68,5 +68,15 @@ namespace Life.Automaton
         {
             Field = field;
         }
+
+        public void Reset()
+        {
+            Iteration = 0;
+            
+            foreach (var cell in Field.Cells)
+                cell.IsAlive = false;
+
+            Field.Notify();
+        }
     }
 }

Life/Automaton/IAutomaton.cs

@@ -11,5 +11,6 @@ namespace Life.Automaton
         void Advance();
 
         void ReplaceField(IField field);
+        void Reset();
     }
 }

Life/MainWindow.xaml

@@ -10,9 +10,11 @@
     <Window.InputBindings>
         <KeyBinding Key="O" Modifiers="Control" Command="{Binding LoadCommand}"/>
         <KeyBinding Key="S" Modifiers="Control" Command="{Binding SaveCommand}"/>
+        <KeyBinding Key="N" Modifiers="Control" Command="{Binding ResetCommand}"/>
     </Window.InputBindings>
     <DockPanel>
         <Menu DockPanel.Dock="Top">
+            <MenuItem Command="{Binding ResetCommand}" Header="Reset" />
             <MenuItem Command="{Binding LoadCommand}" Header="Load" />
             <MenuItem Command="{Binding SaveCommand}" Header="Save" />
         </Menu>

Life/MainWindow.xaml.cs

@@ -1,5 +1,4 @@
 using System.Windows;
-using System.Windows.Input;
 using Life.Automaton;
 using Life.ViewModel;
 

Life/ViewModel/AutomatonViewModel.cs

@@ -127,6 +127,11 @@ namespace Life.ViewModel
             Action = HandleLoadCommand
         };
         
+        public ICommand ResetCommand => new DelegateCommand<object>
+        {
+            Action = HandleResetCommand
+        };
+        
         public ICommand SaveCommand => new DelegateCommand<object>
         {
             Action = HandleSaveCommand
@@ -178,5 +183,12 @@ namespace Life.ViewModel
                 _formatter.Serialize(file, Automaton);
             }
         }
+
+        private void HandleResetCommand(object _)
+        {
+            Automaton.Reset();
+            
+            OnPropertyChanged(nameof(Iteration));
+        }
     }
 }