update

src/main/java/Snake/Controller.java

@@ -3,17 +3,23 @@ package Snake;
 
 import javax.swing.*;
 import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
 
 public class Controller {
 
-    private enum GameState { Running };
+    private enum GameState { Running, Paused, PlayerLosed };
     private GameView gameView;
     private Snake snakeModel;
     private SnakeView snakeView;
     private Apple appleModel;
     private AppleView appleView;
+    private TextView scoreView;
+    private TextView messageView;
+
     private boolean inputHandled;
+    private Timer timer;
     private GameState gameState;
+    private int score;
 
     private void initializeInputHandling()
     {
@@ -28,7 +34,52 @@ public class Controller {
         gameView.getActionMap().put("move down", new MoveAction(Snake.SnakeDirection.DOWN));
         gameView.getActionMap().put("move right", new MoveAction(Snake.SnakeDirection.RIGHT));
     }
+    private void addButtonActionListeners(Window window)
+    {
+        window.addStartActionListener(new ActionListener()
+        {
+            @Override
+            public void actionPerformed(ActionEvent e)
+            {
+                if(gameState == GameState.Paused)
+                {
+                    messageView.setVisibility(false);
+                    gameState = GameState.Running;
+                    timer.start();
+                }
+                else if(gameState == GameState.PlayerLosed)
+                {
+                    messageView.setVisibility(false);
+                    restartGame();
+                }
+            }
+        });
 
+        window.addPauseActionListener(new ActionListener()
+        {
+            @Override
+            public void actionPerformed(ActionEvent e)
+            {
+                if(gameState == GameState.Running)
+                {
+                    messageView.setText("Game Paused.");
+                    messageView.setVisibility(true);
+                    gameView.repaint();
+                    gameState = GameState.Paused;
+                    timer.stop();
+                }
+            }
+        });
+    }
+    private void restartGame()
+    {
+        snakeModel.reset();
+        score = 0;
+        scoreView.setText("Score: " + Integer.toString(score));
+        selectApplesPosition();
+        gameState = GameState.Running;
+        timer.start();
+    }
     private void selectApplesPosition()
     {
         do