gameexplorer: added action listeners for navigation between game and menu

src/main/java/de/tims/gameexplorer/GameExplorer.java

@@ -1,6 +1,7 @@
 package de.tims.gameexplorer;
 
 import java.awt.*;
+import java.awt.event.*;
 import javax.swing.*;
 
 public class GameExplorer {
@@ -36,7 +37,7 @@ public class GameExplorer {
 		buildNavigationPanel();
 		buildGamePanels();
 		
-		frame.add(gamePanel);
+		frame.add(explorerPanel);
 		
 		frame.setMinimumSize(minSize);
 		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
@@ -51,12 +52,16 @@ public class GameExplorer {
 		
 		fleetstormBtn = new JButton("Schiffe versenken");
 		fleetstormBtn.setPreferredSize(btnSize);
+		fleetstormBtn.addActionListener(new GameAction());
 		fourwinsBtn = new JButton("Vier gewinnt");
 		fourwinsBtn.setPreferredSize(btnSize);
+		fourwinsBtn.addActionListener(new GameAction());
 		tictactoeBtn = new JButton("TicTacToe");
 		tictactoeBtn.setPreferredSize(btnSize);
+		tictactoeBtn.addActionListener(new GameAction());
 		leaderboardBtn = new JButton("Leaderboard");
 		leaderboardBtn.setPreferredSize(btnSize);
+		leaderboardBtn.addActionListener(new GameAction());
 		
 		border1 = new JPanel();
 		border1.setOpaque(false);
@@ -120,6 +125,7 @@ public class GameExplorer {
 		navigationPanel.setLayout(new GridBagLayout());
 		
 		backBtn = new JButton("< Zurück");
+		backBtn.addActionListener(new BackAction());
 		
 		chosenGame = new JLabel();
 		
@@ -153,6 +159,26 @@ public class GameExplorer {
 		gamePanel.add(navigationPanel, BorderLayout.PAGE_START);
 	}
 	
+	private class GameAction implements ActionListener {
+		@Override
+		public void actionPerformed(ActionEvent e) {
+			frame.remove(explorerPanel);
+			frame.add(gamePanel);
+			frame.revalidate();
+			frame.repaint();
+		}
+	}
+	
+	private class BackAction implements ActionListener {
+		@Override
+		public void actionPerformed(ActionEvent e) {
+			frame.remove(gamePanel);
+			frame.add(explorerPanel);
+			frame.revalidate();
+			frame.repaint();
+		}
+	}
+	
 	public static void main(String[] args) {
 		new GameExplorer();
 	}