Added file chooser dialog, renamed GameConfigurationDialog to DialogUtil

src/dev/kske/chess/pgn/PGNGame.java

@@ -74,4 +74,6 @@ public class PGNGame {
 	public void setTag(String tagName, String tagValue) {
 		tagPairs.put(tagName, tagValue);
 	}
+
+	public Board getBoard() { return board; }
 }

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

@@ -1,28 +1,39 @@
 package dev.kske.chess.ui;
 
+import java.awt.Component;
 import java.awt.Font;
+import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.function.BiConsumer;
+import java.util.function.Consumer;
 
 import javax.swing.DefaultComboBoxModel;
 import javax.swing.JButton;
 import javax.swing.JComboBox;
 import javax.swing.JDialog;
+import javax.swing.JFileChooser;
 import javax.swing.JLabel;
 
 /**
  * Project: <strong>Chess</strong><br>
- * File: <strong>GameConfigurationDialog.java</strong><br>
+ * File: <strong>DialogUtil.java</strong><br>
  * Created: <strong>24.07.2019</strong><br>
  * Author: <strong>Kai S. K. Engelbart</strong>
  */
-public class GameConfigurationDialog {
+public class DialogUtil {
 
-	private GameConfigurationDialog() {}
+	private DialogUtil() {}
 
-	public static void show(BiConsumer<String, String> action) {
+	public static void showFileSelectionDialog(Component parent, Consumer<File> action) {
+		JFileChooser fileChooser = new JFileChooser();
+		fileChooser.setCurrentDirectory(new File(System.getProperty("user.home")));
+		if (fileChooser.showOpenDialog(parent) == JFileChooser.APPROVE_OPTION)
+			action.accept(fileChooser.getSelectedFile());
+	}
+
+	public static void showGameConfigurationDialog(BiConsumer<String, String> action) {
 		new JDialog() {
 
 			private static final long serialVersionUID = -5768339760489440385L;

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

@@ -36,7 +36,7 @@ public class FENDropTarget extends DropTargetAdapter {
 				try (BufferedReader br = new BufferedReader(new FileReader(file))) {
 					final GamePane	gamePane	= mainWindow.addGamePane();
 					final String	fen			= br.readLine();
-					GameConfigurationDialog.show((whiteName, blackName) -> {
+					DialogUtil.showGameConfigurationDialog((whiteName, blackName) -> {
 						final Game game = new Game(gamePane.getBoardPane(), whiteName, blackName, fen);
 						gamePane.setGame(game);
 						game.start();

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

@@ -32,16 +32,35 @@ public class MenuBar extends JMenuBar {
 
 	private void initGameMenu() {
 		JMenu gameMenu = new JMenu("Game");
+
 		JMenuItem newGameMenuItem = new JMenuItem("New Game");
-		newGameMenuItem.addActionListener((evt) -> {
-			GameConfigurationDialog.show((whiteName, blackName) -> {
+		newGameMenuItem.addActionListener((evt) -> DialogUtil.showGameConfigurationDialog((whiteName, blackName) -> {
 			GamePane	gamePane	= mainWindow.addGamePane();
 			Game		game		= new Game(gamePane.getBoardPane(), whiteName, blackName);
 			gamePane.setGame(game);
 			game.start();
-			});
-		});
+		}));
 		gameMenu.add(newGameMenuItem);
+
+		JMenuItem loadFileMenu = new JMenuItem("Load game file");
+		loadFileMenu.addActionListener((evt) -> DialogUtil.showFileSelectionDialog(mainWindow, (file) -> {
+			final String extension = file.getName().substring(file.getName().lastIndexOf('.')).toLowerCase();
+			switch (extension) {
+				case ".fen":
+					// TODO: Load board from FEN
+					break;
+				case ".pgn":
+					// TODO: Load board from PGN
+					break;
+				default:
+					JOptionPane.showMessageDialog(mainWindow,
+							"The file extension '" + extension + "' is not supported!",
+							"File loading error",
+							JOptionPane.ERROR_MESSAGE);
+			}
+		}));
+		gameMenu.add(loadFileMenu);
+
 		add(gameMenu);
 		newGameMenuItem.doClick();
 	}
@@ -80,7 +99,7 @@ public class MenuBar extends JMenuBar {
 		loadFromFENMenuItem.addActionListener((evt) -> {
 			final GamePane	gamePane	= mainWindow.addGamePane();
 			final String	fen			= JOptionPane.showInputDialog("Enter a FEN string: ");
-			GameConfigurationDialog.show((whiteName, blackName) -> {
+			DialogUtil.showGameConfigurationDialog((whiteName, blackName) -> {
 				final Game game = new Game(gamePane.getBoardPane(), whiteName, blackName, fen);
 				gamePane.setGame(game);
 				game.start();