Beautified GUI Won Screen

src/main/java/de/tims/fleetstorm/gui/GameLogic.java

@@ -1,6 +1,8 @@
 package de.tims.fleetstorm.gui;
 
+import java.awt.BorderLayout;
 import java.awt.Color;
+import java.awt.Font;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.util.ArrayList;
@@ -8,6 +10,7 @@ import java.util.ArrayList;
 import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
+import javax.swing.SwingConstants;
 import javax.swing.border.MatteBorder;
 
 import de.tims.fleetstorm.ai.Logic;
@@ -245,6 +248,18 @@ public class GameLogic extends JPanel {
 
 	protected void gameOver(boolean playerWinner) {
 		this.gameState = GameLogic.GAME_OVER;
+
+		this.removeAll();
+		this.setLayout(new BorderLayout());
+
+		JLabel wonLabel = new JLabel(playerWinner ? "Du hast gewonnen!" : "Du hast verloren!");
+		wonLabel.setHorizontalAlignment(SwingConstants.CENTER);
+		wonLabel.setVerticalAlignment(SwingConstants.CENTER);
+		wonLabel.setFont(new Font("Tahoma", Font.BOLD, 18));
+		this.add(wonLabel, SwingConstants.CENTER);
+
+		this.revalidate();
+		this.repaint();
 	}
 
 	public int getGameState() {