player_management: login loads existing player from file or creates new player

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

@@ -5,6 +5,9 @@ import java.awt.event.*;
 
 import javax.swing.*;
 
+import de.tims.player_management.Player;
+import de.tims.player_management.PlayerManager;
+
 public class GameExplorer {
 	
 	private JFrame frame;
@@ -29,6 +32,7 @@ public class GameExplorer {
 	private JButton leaderboardBtn;
 	private JButton backBtn;
 	private JLabel username;
+	private JLabel loginWarning;
 	private JLabel chosenGame;
 	private JTextField usernameInput;
 	private Dimension minSize;
@@ -36,10 +40,16 @@ public class GameExplorer {
 	private Dimension btnSize;
 	private GridBagConstraints gbc;
 	
+	private static final String playerFile = "src/main/java/resources/player_data.csv";
+	
 	private enum Game { FLEETSTORM, FOURWINS, TICTACTOE, LEADERBOARD };
 	private Game actualGame;
+	private PlayerManager manager;
+	private Player actualPlayer;
 	
 	public GameExplorer() {
+		manager = new PlayerManager();
+		
 		frame = new JFrame("1000 infomagische Spiele");
 	
 		minSize = new Dimension(400, 300);
@@ -141,7 +151,9 @@ public class GameExplorer {
 		
 		loginBtn = new JButton("Login");
 		loginBtn.setPreferredSize(loginBtnSize);
+		loginBtn.addActionListener(new LoginAction());
 		username = new JLabel("Name eingeben:");
+		loginWarning = new JLabel();
 		usernameInput = new JTextField(8);
 		
 		gbc.weighty = 0;
@@ -157,8 +169,13 @@ public class GameExplorer {
 		
 		gbc.gridx = 0;
 		gbc.gridy = 2;
-		gbc.insets = new Insets(5, 0, 0, 0);
+		gbc.insets = new Insets(5, 0, 5, 0);
 		loginPanel.add(loginBtn, gbc);
+		
+		gbc.gridx = 0;
+		gbc.gridy = 3;
+		gbc.insets = new Insets(5, 0, 0, 0);
+		loginPanel.add(loginWarning, gbc);
 	}
 	
 	private void buildNavigationPanel() {
@@ -213,6 +230,30 @@ public class GameExplorer {
 		leaderboardPanel.setBackground(Color.RED);
 	}
 	
+	private class LoginAction implements ActionListener {
+		@Override
+		public void actionPerformed(ActionEvent e) {
+			String userInput = usernameInput.getText();
+			
+			if (!userInput.equals("")) {
+				loginWarning.setText("");
+				
+				manager.loadPlayers(playerFile);
+				actualPlayer = manager.selectPlayer(userInput);
+				
+				frame.remove(loginPanel);
+				frame.add(explorerPanel);
+				frame.revalidate();
+				frame.repaint();
+				
+				System.out.println("Actual Player: " + actualPlayer.getName() + ", Points: " + actualPlayer.getPoints());
+			} else {
+				loginWarning.setText("Kein Name eingegeben!");
+			}
+			
+		}
+	}
+	
 	private class GameAction implements ActionListener {
 		@Override
 		public void actionPerformed(ActionEvent e) {