kske/chess
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Refined IO functionality, fixed FEN string serialization and deserialization #7

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CyB3RC0nN0R merged 7 commits from feature/io into master 2019-10-25 17:01:56 +02:00
Conversation 0 Commits 7 Files Changed 21 +123 -151
5 changed files with 123 additions and 151 deletions
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Showing only changes of commit ada382aee6 - Show all commits

21
src/dev/kske/chess/ui/DialogUtil.java
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@ -15,6 +15,7 @@ import javax.swing.JFileChooser;
import javax.swing.JLabel; import javax.swing.JLabel;
import javax.swing.JOptionPane; import javax.swing.JOptionPane;
import javax.swing.JPanel; import javax.swing.JPanel;
import javax.swing.filechooser.FileFilter;
import dev.kske.chess.io.EngineUtil; import dev.kske.chess.io.EngineUtil;
@ -28,11 +29,25 @@ public class DialogUtil {
private DialogUtil() {} private DialogUtil() {}
public static void showFileSelectionDialog(Component parent, Consumer<File> action) { public static void showFileSelectionDialog(Component parent, Consumer<List<File>> action) {
JFileChooser fileChooser = new JFileChooser(); JFileChooser fileChooser = new JFileChooser();
fileChooser.setCurrentDirectory(new File(System.getProperty("user.home"))); fileChooser.setCurrentDirectory(new File(System.getProperty("user.home")));
if (fileChooser.showOpenDialog(parent) == JFileChooser.APPROVE_OPTION) fileChooser.setAcceptAllFileFilterUsed(false);
action.accept(fileChooser.getSelectedFile()); fileChooser.addChoosableFileFilter(new FileFilter() {
@Override
public boolean accept(File f) {
int dotIndex = f.getName().lastIndexOf('.');
if (dotIndex >= 0) {
String extension = f.getName().substring(dotIndex).toLowerCase();
return extension.equals(".fen") || extension.equals(".pgn");
} else return f.isDirectory();
}
@Override
public String getDescription() { return "FEN and PGN files"; }
});
if (fileChooser.showOpenDialog(parent) == JFileChooser.APPROVE_OPTION) action.accept(Arrays.asList(fileChooser.getSelectedFile()));
} }
public static void showGameConfigurationDialog(Component parent, BiConsumer<String, String> action) { public static void showGameConfigurationDialog(Component parent, BiConsumer<String, String> action) {

66
src/dev/kske/chess/ui/FENDropTarget.java
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@ -1,66 +0,0 @@
package dev.kske.chess.ui;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DropTargetAdapter;
import java.awt.dnd.DropTargetDropEvent;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.List;
import javax.swing.JOptionPane;
import dev.kske.chess.board.FENString;
import dev.kske.chess.exception.ChessException;
import dev.kske.chess.game.Game;
/**
* Project: <strong>Chess</strong><br>
* File: <strong>FENDropTarget.java</strong><br>
* Created: <strong>13 Aug 2019</strong><br>
* Author: <strong>Kai S. K. Engelbart</strong>
*/
public class FENDropTarget extends DropTargetAdapter {
private MainWindow mainWindow;
public FENDropTarget(MainWindow mainWindow) { this.mainWindow = mainWindow; }
@SuppressWarnings("unchecked")
@Override
public void drop(DropTargetDropEvent evt) {
try {
evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
((List<File>) evt.getTransferable().getTransferData(DataFlavor.javaFileListFlavor)).forEach(file -> {
try (BufferedReader br = new BufferedReader(new FileReader(file))) {
final GamePane gamePane = mainWindow.addGamePane();
final String fen = br.readLine();
DialogUtil.showGameConfigurationDialog(null, (whiteName, blackName) -> {
Game game;
try {
game = new Game(gamePane.getBoardPane(), whiteName, blackName, new FENString(fen).getBoard());
gamePane.setGame(game);
game.start();
} catch (ChessException e) {
e.printStackTrace();
JOptionPane.showMessageDialog(mainWindow,
"Failed to load FEN string: " + e.toString(),
"FEN loading error",
JOptionPane.ERROR_MESSAGE);
}
});
evt.dropComplete(true);
} catch (IOException e) {
e.printStackTrace();
evt.rejectDrop();
}
});
} catch (UnsupportedFlavorException | IOException ex) {
ex.printStackTrace();
evt.rejectDrop();
}
}
}

35
src/dev/kske/chess/ui/GameDropTarget.java Normal file
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@ -0,0 +1,35 @@
package dev.kske.chess.ui;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DropTargetAdapter;
import java.awt.dnd.DropTargetDropEvent;
import java.io.File;
import java.io.IOException;
import java.util.List;
/**
* Project: <strong>Chess</strong><br>
* File: <strong>GameDropTarget.java</strong><br>
* Created: <strong>13 Aug 2019</strong><br>
* Author: <strong>Kai S. K. Engelbart</strong>
*/
public class GameDropTarget extends DropTargetAdapter {
private MainWindow mainWindow;
public GameDropTarget(MainWindow mainWindow) { this.mainWindow = mainWindow; }
@SuppressWarnings("unchecked")
@Override
public void drop(DropTargetDropEvent evt) {
try {
evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
mainWindow.loadFiles((List<File>) evt.getTransferable().getTransferData(DataFlavor.javaFileListFlavor));
} catch (UnsupportedFlavorException | IOException ex) {
ex.printStackTrace();
evt.rejectDrop();
}
}
}

75
src/dev/kske/chess/ui/MainWindow.java
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@ -3,10 +3,23 @@ package dev.kske.chess.ui;
import java.awt.EventQueue; import java.awt.EventQueue;
import java.awt.Toolkit; import java.awt.Toolkit;
import java.awt.dnd.DropTarget; import java.awt.dnd.DropTarget;
import java.io.File;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.List;
import javax.swing.JComboBox;
import javax.swing.JFrame; import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JTabbedPane; import javax.swing.JTabbedPane;
import dev.kske.chess.board.Board;
import dev.kske.chess.board.FENString;
import dev.kske.chess.exception.ChessException;
import dev.kske.chess.game.Game;
import dev.kske.chess.pgn.PGNDatabase;
import dev.kske.chess.pgn.PGNGame;
/** /**
* Project: <strong>Chess</strong><br> * Project: <strong>Chess</strong><br>
* File: <strong>MainWindow.java</strong><br> * File: <strong>MainWindow.java</strong><br>
@ -55,7 +68,7 @@ public class MainWindow extends JFrame {
getContentPane().add(tabbedPane); getContentPane().add(tabbedPane);
setJMenuBar(new MenuBar(this)); setJMenuBar(new MenuBar(this));
new DropTarget(this, new FENDropTarget(this)); new DropTarget(this, new GameDropTarget(this));
// Update position and dimensions // Update position and dimensions
pack(); pack();
@ -74,9 +87,7 @@ public class MainWindow extends JFrame {
* *
* @return The new {@link GamePane} * @return The new {@link GamePane}
*/ */
public GamePane addGamePane() { public GamePane addGamePane() { return addGamePane("Game " + (tabbedPane.getComponentCount() + 1)); }
return addGamePane("Game " + (tabbedPane.getComponentCount() + 1));
}
/** /**
* Creates a new {@link GamePane}, adds it to the tabbed pane and opens it. * Creates a new {@link GamePane}, adds it to the tabbed pane and opens it.
@ -91,12 +102,64 @@ public class MainWindow extends JFrame {
return gamePane; return gamePane;
} }
public GamePane addGamePane(String title, Board board) {
GamePane gamePane = addGamePane(title);
DialogUtil.showGameConfigurationDialog(this,
(whiteName, blackName) -> {
Game game = new Game(gamePane.getBoardPane(), whiteName, blackName, board);
gamePane.setGame(game);
game.start();
});
return gamePane;
}
/** /**
* Removes a {@link GamePane} form the tabbed pane. * Removes a {@link GamePane} form the tabbed pane.
* *
* @param index The index of the {@link GamePane} to remove * @param index The index of the {@link GamePane} to remove
*/ */
public void removeGamePane(int index) { public void removeGamePane(int index) { tabbedPane.remove(index); }
tabbedPane.remove(index);
/**
* Loads a game file (FEN or PGN) and adds it to a new {@link GamePane}.
*
* @param files the files to load the game from
*/
public void loadFiles(List<File> files) {
files.forEach(file -> {
final String name = file.getName().substring(0, file.getName().lastIndexOf('.'));
final String extension = file.getName().substring(file.getName().lastIndexOf('.')).toLowerCase();
try {
Board board;
switch (extension) {
case ".fen":
board = new FENString(new String(Files.readAllBytes(file.toPath()), StandardCharsets.UTF_8)).getBoard();
break;
case ".pgn":
PGNDatabase pgnDB = new PGNDatabase();
pgnDB.load(file);
if (pgnDB.getGames().size() > 0) {
String[] gameNames = new String[pgnDB.getGames().size()];
for (int i = 0; i < gameNames.length; i++) {
final PGNGame game = pgnDB.getGames().get(i);
gameNames[i] = String.format("%s vs %s: %s", game.getTag("White"), game.getTag("Black"), game.getTag("Result"));
}
JComboBox<String> comboBox = new JComboBox<>(gameNames);
JOptionPane.showInputDialog(this, comboBox, "Select a game", JOptionPane.QUESTION_MESSAGE);
board = pgnDB.getGames().get(comboBox.getSelectedIndex()).getBoard();
} else throw new ChessException("The PGN database '" + name + "' is empty!");
break;
default:
throw new ChessException("The file extension '" + extension + "' is not supported!");
}
addGamePane(name, board);
} catch (Exception e) {
e.printStackTrace();
JOptionPane.showMessageDialog(this,
"Failed to load the file " + file.getName() + ": " + e.toString(),
"File loading error",
JOptionPane.ERROR_MESSAGE);
}
});
} }
} }

77
src/dev/kske/chess/ui/MenuBar.java
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@ -2,11 +2,7 @@ package dev.kske.chess.ui;
import java.awt.Toolkit; import java.awt.Toolkit;
import java.awt.datatransfer.StringSelection; import java.awt.datatransfer.StringSelection;
import java.io.File;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import javax.swing.JComboBox;
import javax.swing.JMenu; import javax.swing.JMenu;
import javax.swing.JMenuBar; import javax.swing.JMenuBar;
import javax.swing.JMenuItem; import javax.swing.JMenuItem;
@ -16,8 +12,6 @@ import dev.kske.chess.board.FENString;
import dev.kske.chess.exception.ChessException; import dev.kske.chess.exception.ChessException;
import dev.kske.chess.game.Game; import dev.kske.chess.game.Game;
import dev.kske.chess.io.EngineUtil; import dev.kske.chess.io.EngineUtil;
import dev.kske.chess.pgn.PGNDatabase;
import dev.kske.chess.pgn.PGNGame;
/** /**
* Project: <strong>Chess</strong><br> * Project: <strong>Chess</strong><br>
@ -52,7 +46,7 @@ public class MenuBar extends JMenuBar {
gameMenu.add(newGameMenuItem); gameMenu.add(newGameMenuItem);
JMenuItem loadFileMenu = new JMenuItem("Load game file"); JMenuItem loadFileMenu = new JMenuItem("Load game file");
loadFileMenu.addActionListener((evt) -> DialogUtil.showFileSelectionDialog(mainWindow, this::loadFile)); loadFileMenu.addActionListener((evt) -> DialogUtil.showFileSelectionDialog(mainWindow, mainWindow::loadFiles));
gameMenu.add(loadFileMenu); gameMenu.add(loadFileMenu);
add(gameMenu); add(gameMenu);
@ -108,73 +102,4 @@ public class MenuBar extends JMenuBar {
add(toolsMenu); add(toolsMenu);
} }
private void loadFile(File file) {
final String name = file.getName().substring(0, file.getName().lastIndexOf('.'));
final String extension = file.getName().substring(file.getName().lastIndexOf('.')).toLowerCase();
switch (extension) {
case ".fen":
try {
final GamePane gamePane = mainWindow.addGamePane(name);
final String fen = new String(Files.readAllBytes(file.toPath()), StandardCharsets.UTF_8);
DialogUtil.showGameConfigurationDialog(mainWindow, (whiteName, blackName) -> {
Game game;
try {
game = new Game(gamePane.getBoardPane(), whiteName, blackName, new FENString(fen).getBoard());
gamePane.setGame(game);
game.start();
} catch (ChessException e) {
e.printStackTrace();
JOptionPane.showMessageDialog(mainWindow,
"Failed to load FEN string: " + e.toString(),
"FEN loading error",
JOptionPane.ERROR_MESSAGE);
}
});
} catch (Exception e) {
e.printStackTrace();
JOptionPane.showMessageDialog(mainWindow,
"Failed to load the file " + file.getName() + ": " + e.toString(),
"File loading error",
JOptionPane.ERROR_MESSAGE);
}
break;
case ".pgn":
try {
final GamePane gamePane = mainWindow.addGamePane(name);
PGNDatabase pgnDB = new PGNDatabase();
pgnDB.load(file);
if (pgnDB.getGames().size() > 0) {
String[] gameNames = new String[pgnDB.getGames().size()];
for (int i = 0; i < gameNames.length; i++) {
final PGNGame game = pgnDB.getGames().get(i);
gameNames[i] = String.format("%s vs %s: %s", game.getTag("White"), game.getTag("Black"), game.getTag("Result"));
}
JComboBox<String> comboBox = new JComboBox<>(gameNames);
JOptionPane.showInputDialog(mainWindow, comboBox, "Select a game", JOptionPane.QUESTION_MESSAGE);
DialogUtil.showGameConfigurationDialog(mainWindow, (whiteName, blackName) -> {
final Game game = new Game(gamePane.getBoardPane(), whiteName, blackName,
pgnDB.getGames().get(comboBox.getSelectedIndex()).getBoard());
game.start();
});
}
} catch (Exception e) {
e.printStackTrace();
JOptionPane.showMessageDialog(mainWindow,
"Failed to load the file " + file.getName() + ": " + e.toString(),
"File loading error",
JOptionPane.ERROR_MESSAGE);
}
break;
default:
JOptionPane.showMessageDialog(mainWindow,
"The file extension '" + extension + "' is not supported!",
"File loading error",
JOptionPane.ERROR_MESSAGE);
}
}
public void loadFENFile(File file) {
}
} }