Better looking flipButton

schach/src/main/java/de/hs_mannheim/informatik/chess/controller/Controller.java

@@ -10,6 +10,7 @@ import javax.swing.BorderFactory;
 
 import de.hs_mannheim.informatik.chess.model.ChessEngine;
 import de.hs_mannheim.informatik.chess.model.MoveDTO;
+import de.hs_mannheim.informatik.chess.model.PieceDTO;
 import de.hs_mannheim.informatik.chess.model.BoardDTO;
 import de.hs_mannheim.informatik.chess.view.GameGui;
 
@@ -26,6 +27,13 @@ public class Controller {
         updateGuiBoard();
     }
     
+    private int flipRow(int row) {
+        return gui.isFlipped() ? 7 - row : row;
+    }
+    private int flipCol(int col) {
+        return gui.isFlipped() ? 7 - col : col;
+    }
+    
     private void initListeners() {
         for (int row = 0; row < 8; row++) {
             for (int col = 0; col < 8; col++) {
@@ -37,48 +45,82 @@ public class Controller {
                 });
             }
         }
+        
+        gui.getFlipBoardButton().addActionListener(e -> {
+            //ALLE Highlights und Borders zurücksetzen
+            for (int row = 0; row < 8; row++) {
+                for (int col = 0; col < 8; col++) {
+                    resetFieldBackground(row, col);
+                    gui.getField(row, col).setBorder(null);
+                }
+            }
+            highlightedFields.clear();
+            selectedRow = -1;
+            selectedCol = -1;
+
+            // 2. Flip-Zustand ändern
+            gui.setFlipped(!gui.isFlipped());
+
+            // 3. Board neu zeichnen
+            updateGuiBoard();
+        });
+
+
     }
     
-    private void handleClick(int row, int col) {
-        if (selectedRow == -1 && selectedCol == -1) {
-            // Erstes Feld gewählt
-            selectedRow = row;
-            selectedCol = col;
-            gui.getField(row, col).setBorder(BorderFactory.createLineBorder(Color.RED, 2));
+    private void handleClick(int guiRow, int guiCol) {
+        int modelRow = flipRow(guiRow);
+        int modelCol = flipCol(guiCol);
 
-            // Mögliche Ziele highlighten (DTOs!)
-            String fromSquare = coordToChessNotation(row, col); // z.B. "E2"
+        //Figur am Feld
+        BoardDTO boardDTO = engine.getBoardAsDTO();
+        PieceDTO piece = boardDTO.getBoard()[modelRow][modelCol];
+
+        //Ist eine Figur da und hat sie die aktuelle Farbe
+        String amZug = engine.getCurrentPlayer(); // "WHITE" oder "BLACK"
+        if (selectedRow == -1 && selectedCol == -1) {
+            if (piece == null || !piece.getColor().equals(amZug)) {
+                // Falsche Farbe oder leeres Feld -> abbrechen, keine Highlights!
+                return;
+            }
+
+            selectedRow = modelRow;
+            selectedCol = modelCol;
+            gui.getField(guiRow, guiCol).setBorder(BorderFactory.createLineBorder(Color.RED, 2));
+
+            String fromSquare = coordToChessNotation(modelRow, modelCol);
             List<MoveDTO> moves = engine.getLegalDestinations(fromSquare);
+
             for (MoveDTO move : moves) {
-                int toRow = move.getToRow();
-                int toCol = move.getToCol();
-                gui.getField(toRow, toCol).setBackground(Color.YELLOW);
-                highlightedFields.add(new int[]{toRow, toCol});
+                int guiToRow = gui.isFlipped() ? 7 - move.getToRow() : move.getToRow();
+                int guiToCol = gui.isFlipped() ? 7 - move.getToCol() : move.getToCol();
+                gui.getField(guiToRow, guiToCol).setBackground(Color.YELLOW);
+                highlightedFields.add(new int[]{guiToRow, guiToCol});
             }
         } else {
-            // Zweites Feld: Zug probieren
-            // Highlight entfernen
             for (int[] xy : highlightedFields) {
                 resetFieldBackground(xy[0], xy[1]);
             }
             highlightedFields.clear();
+            int oldGuiRow = gui.isFlipped() ? 7 - selectedRow : selectedRow;
+            int oldGuiCol = gui.isFlipped() ? 7 - selectedCol : selectedCol;
+            gui.getField(oldGuiRow, oldGuiCol).setBorder(null);
 
-            gui.getField(selectedRow, selectedCol).setBorder(null);
-
-            // **Neues MoveDTO statt String-Kram!**
-            MoveDTO move = new MoveDTO(selectedRow, selectedCol, row, col);
+            MoveDTO move = new MoveDTO(selectedRow, selectedCol, modelRow, modelCol);
             handleMove(move);
-
             selectedRow = -1;
             selectedCol = -1;
         }
     }
 
+
+
+
     public void handleMove(MoveDTO move) {
         if (engine.move(move)) {
             updateGuiBoard();
 
-            // Jetzt: Spielstatus prüfen!
+            //Spielstatus prüfen
             if (engine.isMated()) {
                 String winner = engine.getCurrentPlayer().equals("WHITE") ? "SCHWARZ" : "WEIß";
                 gui.displayMessage(winner + " hat gewonnen (Schachmatt)!");
@@ -92,16 +134,17 @@ public class Controller {
 
     public void updateGuiBoard() {
         BoardDTO board = engine.getBoardAsDTO();
-        gui.updateBoard(board); // Passe die GUI an, damit sie ein BoardDTO nimmt!
+        gui.updateBoard(board); // Passe die GUI an
     }
 
     // Hilfsmethode, um von Koordinaten (row/col) auf z.B. "E2" zu kommen
-    private String coordToChessNotation(int x, int y) {
-        char file = (char)('A' + y);
-        int rank = 8 - x;
+    private String coordToChessNotation(int modelRow, int modelCol) {
+        char file = (char)('A' + modelCol);
+        int rank = 8 - modelRow;
         return "" + file + rank;
     }
 
+
     // ... resetFieldBackground wie gehabt ...
     private void resetFieldBackground(int row, int col) {
         if ((row + col) % 2 == 0) {

schach/src/main/java/de/hs_mannheim/informatik/chess/model/PlayerDTO.java

@@ -0,0 +1,27 @@
+package de.hs_mannheim.informatik.chess.model;
+
+public class PlayerDTO {
+    private String name;
+    private String color; // "WHITE" oder "BLACK"
+
+    public PlayerDTO(String name, String color) {
+        this.name = name;
+        this.color = color;
+    }
+
+    public String getName() { 
+    	return name; 
+    }
+    
+    public String getColor() { 
+    	return color; 
+    }
+
+    public void setName(String name) { 
+    	this.name = name; 
+    }
+    
+    public void setColor(String color) { 
+    	this.color = color; 
+    }
+}

schach/src/main/java/de/hs_mannheim/informatik/chess/view/GameGui.java

@@ -8,6 +8,7 @@ import java.awt.GridBagLayout;
 import java.awt.GridLayout;
 import java.awt.Insets;
 
+import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JOptionPane;
@@ -20,6 +21,8 @@ import de.hs_mannheim.informatik.chess.model.PieceDTO;
 public class GameGui {
 	
 	private JLabel[][] fields = new JLabel[8][8];
+	private JButton flipBoardButton;
+    private boolean isFlipped = false;
 	
 	public GameGui(){
 		mainFrame();
@@ -101,6 +104,24 @@ public class GameGui {
 		               //oben, links, unten, rechts
 		board.fill = GridBagConstraints.BOTH;
 		chessPanel.add(panel);
+		// Button unten rechts
+		flipBoardButton = new JButton("⇵");
+		flipBoardButton.setPreferredSize(new Dimension(70, 70)); 
+		flipBoardButton.setFont(new Font("SansSerif", Font.BOLD, 40));
+		flipBoardButton.setBackground(new Color(0x5500ff));
+		flipBoardButton.setForeground(Color.WHITE);
+		flipBoardButton.setFocusPainted(false);
+
+        GridBagConstraints btn = new GridBagConstraints();
+        btn.gridx = 0;
+        btn.gridy = 1;
+        btn.weightx = 0.0;
+        btn.weighty = 0.0;
+        btn.anchor = GridBagConstraints.SOUTHEAST;
+        btn.insets = new Insets(10, 0, 0, 0);
+
+        chessPanel.add(flipBoardButton, btn);
+        
 		return chessPanel;
 	}
 	
@@ -114,19 +135,37 @@ public class GameGui {
         return fields[row][col];
     }
 	
+	public JButton getFlipBoardButton() {
+        return flipBoardButton;
+    }
+	
+	public boolean isFlipped() {
+        return isFlipped;
+    }
+	
+	public void setFlipped(boolean flipped) {
+        this.isFlipped = flipped;
+    }
+	
 	public void updateBoard(BoardDTO boardDTO) {
-	    PieceDTO[][] board = boardDTO.getBoard();
-	    for (int row = 0; row < 8; row++) {
-	        for (int col = 0; col < 8; col++) {
-	            PieceDTO piece = board[row][col];
-	            if (piece != null) {
-	                fields[row][col].setText(piece.getUnicodeSymbol());
-	            } else {
-	                fields[row][col].setText("");
-	            }
-	        }
-	    }
-	}
+        PieceDTO[][] board = boardDTO.getBoard();
+        if (!isFlipped) {
+            for (int row = 0; row < 8; row++) {
+                for (int col = 0; col < 8; col++) {
+                    PieceDTO piece = board[row][col];
+                    fields[row][col].setText(piece != null ? piece.getUnicodeSymbol() : "");
+                }
+            }
+        } else {
+            // Invertiere Zeilen und Spalten
+            for (int row = 0; row < 8; row++) {
+                for (int col = 0; col < 8; col++) {
+                    PieceDTO piece = board[7 - row][7 - col];
+                    fields[row][col].setText(piece != null ? piece.getUnicodeSymbol() : "");
+                }
+            }
+        }
+    }
 
 	
 	public void displayMessage(String msg) {