Added creation of new game tabs

- Switched to GridBagLayout in GamePane
- New games created in MenuBar are appended to the tabbed pane in
MainWindow
+ LogPanel class for displaying the game log inside a GamePane
- Removed LogFrame in favor of LogPanel

src/dev/kske/chess/ui/GamePane.java

@@ -1,6 +1,7 @@
 package dev.kske.chess.ui;
 
-import java.awt.BorderLayout;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
 import java.awt.GridLayout;
 
 import javax.swing.JButton;
@@ -28,15 +29,19 @@ public class GamePane extends JComponent {
 	private Color		activeColor;
 
 	public GamePane() {
-		setLayout(new BorderLayout());
-		boardPane = new BoardPane();
-		add(boardPane, BorderLayout.CENTER);
+		activeColor = Color.WHITE;
+
+		GridBagLayout gridBagLayout = new GridBagLayout();
+		gridBagLayout.columnWidths	= new int[] { 450, 1, 0 };
+		gridBagLayout.rowHeights	= new int[] { 33, 267, 1, 0 };
+		gridBagLayout.columnWeights	= new double[] { 0.0, 0.0, Double.MIN_VALUE };
+		gridBagLayout.rowWeights	= new double[] { 0.0, 0.0, 0.0, Double.MIN_VALUE };
+		setLayout(gridBagLayout);
 
 		JPanel toolPanel = new JPanel();
 		btnRestart = new JButton("Restart");
 		btnRestart.addActionListener((evt) -> { if (game != null) game.reset(); game.start(); });
 
-		activeColor		= Color.WHITE;
 		btnSwapColors = new JButton("Play as black");
 		btnSwapColors.addActionListener((evt) -> {
 			game.swapColors();
@@ -46,26 +51,57 @@ public class GamePane extends JComponent {
 
 		toolPanel.add(btnRestart);
 		toolPanel.add(btnSwapColors);
-		add(toolPanel, BorderLayout.NORTH);
+
+		GridBagConstraints gbc_toolPanel = new GridBagConstraints();
+		gbc_toolPanel.anchor	= GridBagConstraints.NORTH;
+		gbc_toolPanel.fill		= GridBagConstraints.HORIZONTAL;
+		gbc_toolPanel.gridx		= 0;
+		gbc_toolPanel.gridy		= 0;
+		add(toolPanel, gbc_toolPanel);
+		boardPane = new BoardPane();
+		GridBagConstraints gbc_boardPane = new GridBagConstraints();
+		gbc_boardPane.fill	= GridBagConstraints.BOTH;
+		gbc_boardPane.gridx	= 0;
+		gbc_boardPane.gridy	= 1;
+		add(boardPane, gbc_boardPane);
+
+		JPanel				numberPanel		= new JPanel(new GridLayout(8, 1));
+		GridBagConstraints	gbc_numberPanel	= new GridBagConstraints();
+		gbc_numberPanel.anchor	= GridBagConstraints.WEST;
+		gbc_numberPanel.fill	= GridBagConstraints.VERTICAL;
+		gbc_numberPanel.gridx	= 1;
+		gbc_numberPanel.gridy	= 1;
+		add(numberPanel, gbc_numberPanel);
 
 		JPanel				letterPanel		= new JPanel(new GridLayout(1, 8));
+		GridBagConstraints	gbc_letterPanel	= new GridBagConstraints();
+		gbc_letterPanel.anchor	= GridBagConstraints.NORTH;
+		gbc_letterPanel.fill	= GridBagConstraints.HORIZONTAL;
+		gbc_letterPanel.gridx	= 0;
+		gbc_letterPanel.gridy	= 2;
+		add(letterPanel, gbc_letterPanel);
+
+		// Initialize board coordinates
 		for (int i = 0; i < 8; i++) {
+			numberPanel.add(new JLabel(String.valueOf(8 - i)));
 			JLabel letterLabel = new JLabel(String.valueOf((char) (65 + i)));
 			letterLabel.setHorizontalAlignment(JLabel.CENTER);
 			letterPanel.add(letterLabel);
 		}
-		add(letterPanel, BorderLayout.SOUTH);
 
-		JPanel numberPanel = new JPanel(new GridLayout(8, 1));
-		for (int i = 0; i < 8; i++)
-			numberPanel.add(new JLabel(String.valueOf(8 - i)));
-		add(numberPanel, BorderLayout.EAST);
+		// LogPanel logPanel = new LogPanel(game.getBoard().getLog());
+		// GridBagConstraints gbc_logPanel = new GridBagConstraints();
+		//
+		// add(logPanel, gbc_logPanel);
 	}
 
+	/**
+	 * @return The {@link BoardPane} instance associated with this game pane
+	 */
 	public BoardPane getBoardPane() { return boardPane; }
 
 	/**
-	 * @return The {@link Game} instance associated with this board pane
+	 * @return The {@link Game} instance associated with this game pane
 	 */
 	public Game getGame() { return game; }
 

src/dev/kske/chess/ui/LogPanel.java

@@ -6,7 +6,6 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import javax.swing.JFrame;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.JTable;
@@ -22,15 +21,14 @@ import dev.kske.chess.event.Subscribable;
 
 /**
  * Project: <strong>Chess</strong><br>
- * File: <strong>LogFrame.java</strong><br>
+ * File: <strong>LogPanel.java</strong><br>
  * Created: <strong>17.07.2019</strong><br>
  * Author: <strong>Kai S. K. Engelbart</strong>
  */
-public class LogFrame extends JFrame implements Subscribable {
+public class LogPanel extends JPanel implements Subscribable {
 
 	private static final long serialVersionUID = 1932671698254197119L;
 
-	private JPanel	mcontentPane;
 	private JTable	mtable;
 
 	private Log log;
@@ -38,20 +36,15 @@ public class LogFrame extends JFrame implements Subscribable {
 	/**
 	 * Create the frame.
 	 */
-	public LogFrame(Log log) {
+	public LogPanel(Log log) {
 		this.log = log;
 
-		setTitle("Move History");
-		setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
-		setBounds(100, 100, 450, 300);
-		mcontentPane = new JPanel();
-		mcontentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
-		mcontentPane.setLayout(new BorderLayout(0, 0));
-		setContentPane(mcontentPane);
+		setBorder(new EmptyBorder(5, 5, 5, 5));
+		setLayout(new BorderLayout(0, 0));
 
 		mtable = new JTable();
 		mtable.setEnabled(false);
-		mcontentPane.add(new JScrollPane(mtable), BorderLayout.CENTER);
+		add(new JScrollPane(mtable), BorderLayout.CENTER);
 
 		EventBus.getInstance().register(this);
 		handle(null);

src/dev/kske/chess/ui/MainWindow.java

@@ -51,7 +51,7 @@ public class MainWindow {
 
 		// Add frame content
 		tabbedPane = new JTabbedPane();
-		tabbedPane.add("Game 1", new GamePane());
+		addGamePane(); // Game is initialized inside MenuBar
 		frame.getContentPane().add(tabbedPane);
 
 		frame.setJMenuBar(new MenuBar(this));
@@ -67,4 +67,15 @@ public class MainWindow {
 	 * @return The currently selected {@link GamePane} component
 	 */
 	public GamePane getSelectedGamePane() { return (GamePane) tabbedPane.getSelectedComponent(); }
+
+	/**
+	 * Creates a new {@link GamePane} and adds it to the tabbed pane.
+	 * 
+	 * @return The new {@link GamePane}
+	 */
+	public GamePane addGamePane() {
+		GamePane gamePane = new GamePane();
+		tabbedPane.add("Game " + (tabbedPane.getComponentCount() + 1), gamePane);
+		return gamePane;
+	}
 }

src/dev/kske/chess/ui/MenuBar.java

@@ -36,13 +36,16 @@ public class MenuBar extends JMenuBar {
 		newGameMenuItem.addActionListener((evt) -> {
 			GameConfigurationDialog dialog = new GameConfigurationDialog();
 			dialog.setVisible(true);
-			if (dialog.isStartGame()) startGame(new Game(mainWindow.getSelectedGamePane().getBoardPane(),
-					dialog.getWhiteName(), dialog.getBlackName()));
+			if (dialog.isStartGame()) {
+				GamePane gamePane = mainWindow.addGamePane();
+				gamePane.setGame(new Game(gamePane.getBoardPane(), dialog.getWhiteName(), dialog.getBlackName()));
+			}
 		});
 		gameMenu.add(newGameMenuItem);
 
 		add(gameMenu);
 
+		// TODO: Game initialization
 		// Start a game
 		startGame(new Game(mainWindow.getSelectedGamePane().getBoardPane(), "Natural Player", "Natural Player"));
 	}
@@ -68,12 +71,6 @@ public class MenuBar extends JMenuBar {
 	private void initToolsMenu() {
 		JMenu toolsMenu = new JMenu("Tools");
 
-		// TODO: prevent multiple initializations
-		JMenuItem showLogMenuItem = new JMenuItem("Show move log");
-		showLogMenuItem.addActionListener(
-				(evt) -> new LogFrame(mainWindow.getSelectedGamePane().getGame().getBoard().getLog()).setVisible(true));
-		toolsMenu.add(showLogMenuItem);
-
 		JMenuItem exportFENMenuItem = new JMenuItem("Export board to FEN");
 		exportFENMenuItem.addActionListener((evt) -> Toolkit.getDefaultToolkit()
 			.getSystemClipboard()