Preview des setzen von Schiffen

src/BoardDisplay.java

@@ -17,6 +17,7 @@ public class BoardDisplay extends JPanel {
     private Player player;
     private boolean horizontal = false;
     private List<ShipButton> shipButtonList;
+    private Point mousePosition;
 
     public void addShipButton(ShipButton button) {
         shipButtonList.add(button);
@@ -82,16 +83,14 @@ public class BoardDisplay extends JPanel {
                     field.addMouseListener(new MouseAdapter() {
                         @Override
                         public void mouseEntered(MouseEvent e) {
-                            if (currentShip != null) {
-                                previewShipPlacement(x, y, horizontal);
-                            }
+                            mousePosition = new Point(x, y);
+                            paintFields();
                         }
 
                         @Override
                         public void mouseExited(MouseEvent e) {
-                            if (currentShip != null) {
-                                clearPreview();
-                            }
+                            paintFields();
+
                         }
 
                         @Override
@@ -100,7 +99,7 @@ public class BoardDisplay extends JPanel {
                                 togglePlacementDirection();
                             } else if (SwingUtilities.isLeftMouseButton(e)) {
                                 Point o = new Point(x, y);
-                                currentShip.setHorizontal(horizontal);
+                                handleFieldClick(o);
                             }
                         }
                     });
@@ -148,6 +147,7 @@ public class BoardDisplay extends JPanel {
         horizontal = !horizontal;
         String direction = horizontal ? "horizontal" : "vertikal";
         System.out.println("Platzierungsrichtung geändert zu: " + direction);
+        paintFields();
     }
 
     /**
@@ -168,12 +168,21 @@ public class BoardDisplay extends JPanel {
     }
 
     public void paintFields() {
+        List<Point> test=new ArrayList<>();
+        if(currentShip != null) {
+            test = currentShip.getVirtualOccupiedPoints(mousePosition, horizontal);
+        }
         for(int i = 0; i < gridSize; i++) {
             for(int j = 0; j < gridSize; j++) {
                 if(fields[i][j] == null) {
                     continue;
                 }
                 fields[i][j].setBackground(Color.BLUE);
+                for(Point p : test) {
+                    if(i==p.getX() && j==p.getY()) {
+                        fields[i][j].setBackground(Color.YELLOW);
+                    }
+                }
                 for(Ship ship: player.getBoard().getShips()) {
                     if(ship.isShipOnPos(new Point(i,j))) {
                         fields[i][j].setBackground(Color.LIGHT_GRAY);
@@ -187,13 +196,6 @@ public class BoardDisplay extends JPanel {
         }
     }
 
-    private void previewShipPlacement(int startX, int startY, boolean vertical) {
-        //TODO schreiben
-    }
-
-    private void clearPreview() {
-
-    }
 
 
     public void refresh() {

src/ShipButton.java

@@ -4,6 +4,7 @@ import java.awt.*;
 public class ShipButton extends JButton {
     private Ship ship;
     private BoardDisplay boardDisplay;
+
     public ShipButton(Ship ship, BoardDisplay boardDisplay) {
         super(ship.getName());
         this.ship = ship;