tictactoe: refactored code to update gui

src/main/java/de/tims/tictactoe/GameLogic.java

@@ -134,28 +134,31 @@ public class GameLogic implements ActionListener {
 		return this.fields[column][row];
 	}
 	
-	@Override
-	public void actionPerformed(ActionEvent e) {
-		for (int i = 0; i < this.fields.length; i++) {
-			for (int j = 0; j < this.fields[0].length; j++) {
-				if (e.getSource() == this.fields[i][j]) {
-					this.setField(i, j, currentPlayer);
-					this.fields[i][j].setText("" + this.getCurrentPlayer());
-					
+	private void updateGUI() {	
 		if (this.checkEndOfGame()) {
-						JOptionPane.showMessageDialog(contentPanel, "Spieler " + this.currentPlayer  + " hat gewonnen.");
-						for (int k = 0; k < this.fields.length; k++) {
-							for (int l = 0; l < this.fields.length; l++) {
-								this.fields[k][l].setEnabled(false);
+			for (int i = 0; i < this.fields.length; i++) {
+				for (int j = 0; j < this.fields.length; j++) {
+					this.fields[i][j].setEnabled(false);
 				}
 			}
+			JOptionPane.showMessageDialog(contentPanel, "Spieler " + this.currentPlayer  + " hat gewonnen.");
 			System.exit(0);
 		}
 		this.switchPlayer();
+	}
 
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		for (int i = 0; i < this.fields.length; i++) {
+			for (int j = 0; j < this.fields[0].length; j++) {
+				if (e.getSource() == this.fields[i][j]) {		
+					this.setField(i, j, currentPlayer);
+					this.fields[i][j].setText("" + this.getCurrentPlayer());
+					updateGUI();	
 				}
 			}
 		}
 	}
 
+	
 }