Action Listener Update fuer BoardDisplay

Reviewed-on: #14

src/BoardDisplay.java

@@ -80,13 +80,27 @@ public class BoardDisplay extends JPanel {
                        // }
                    // });
                     field.addMouseListener(new MouseAdapter() {
+                        @Override
+                        public void mouseEntered(MouseEvent e) {
+                            if (currentShip != null) {
+                                previewShipPlacement(x, y, horizontal);
+                            }
+                        }
+
+                        @Override
+                        public void mouseExited(MouseEvent e) {
+                            if (currentShip != null) {
+                                clearPreview();
+                            }
+                        }
+
                         @Override
                         public void mouseClicked(MouseEvent e) {
                             if (SwingUtilities.isRightMouseButton(e)) {
-                                togglePlacementDirection(); // Ausrichtung ändern
+                                togglePlacementDirection();
                             } else if (SwingUtilities.isLeftMouseButton(e)) {
                                 Point o = new Point(x, y);
-                                handleFieldClick(o); // Linksklick -> Schiff platzieren
+                                currentShip.setHorizontal(horizontal);
                             }
                         }
                     });
@@ -181,6 +195,7 @@ public class BoardDisplay extends JPanel {
 
     }
 
+
     public void refresh() {
         paintFields();
     }