Add: network interface selection GUI

src/main/java/it/polimi/ingsw/gc14/View/GUI/LoginFXMLController.java

@@ -1,8 +1,16 @@
 package it.polimi.ingsw.gc14.View.GUI;
 
+import javafx.application.Platform;
 import javafx.fxml.FXML;
 import javafx.scene.control.*;
 
+import java.net.Inet4Address;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.List;
+
 public class LoginFXMLController {
 
     @FXML private TextField   campoNome;
@@ -12,14 +20,38 @@ public class LoginFXMLController {
     @FXML private RadioButton btnTCP;
     @FXML private Button      btnAccedi;
     @FXML private Label       labelErrore;
+    @FXML private ComboBox<String> comboInterfaccia;
 
     @FXML
     public void initialize() {
-        // I RadioButton vanno collegati a un ToggleGroup a mano
-        // perché FXML non lo fa automaticamente
         ToggleGroup group = new ToggleGroup();
         btnRMI.setToggleGroup(group);
         btnTCP.setToggleGroup(group);
+
+        // Carica le interfacce in background
+        new Thread(() -> {
+            try {
+                List<String> ips = new ArrayList<>();
+                Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
+                while (interfaces.hasMoreElements()) {
+                    NetworkInterface ni = interfaces.nextElement();
+                    if (!ni.isUp() || ni.isLoopback() || ni.isVirtual()) continue;
+                    Enumeration<InetAddress> addresses = ni.getInetAddresses();
+                    while (addresses.hasMoreElements()) {
+                        InetAddress addr = addresses.nextElement();
+                        if (addr instanceof Inet4Address) {
+                            ips.add(ni.getDisplayName() + " -> " + addr.getHostAddress());
+                        }
+                    }
+                }
+                Platform.runLater(() -> {
+                    comboInterfaccia.getItems().addAll(ips);
+                    if (!ips.isEmpty()) comboInterfaccia.getSelectionModel().selectFirst();
+                });
+            } catch (Exception e) {
+                Platform.runLater(() -> setErrore("Errore nel rilevare le interfacce."));
+            }
+        }).start();
     }
 
     // --- Getter esposti a LoginView ---
@@ -40,5 +72,11 @@ public class LoginFXMLController {
 
     public String getIP()         { return campoIP.getText().trim(); }
 
+    public String getInterfaccia() {
+        String selected = comboInterfaccia.getValue();
+        if (selected == null) return "";
+        return selected.contains("->") ? selected.split("->")[1].trim() : selected;
+    }
+
     public void setErrore(String messaggio) { labelErrore.setText(messaggio); }
 }

src/main/java/it/polimi/ingsw/gc14/View/GUI/LoginView.java

@@ -31,5 +31,6 @@ public class LoginView {
     public int    getNumPlayers()               { return fxmlController.getNumPlayers(); }
     public int    getNetworkType()              { return fxmlController.getNetworkType(); }
     public String getIP()                       { return fxmlController.getIP(); }
+    public String getInterfaccia() {return fxmlController.getInterfaccia();}
     public void   setErrore(String messaggio)   { fxmlController.setErrore(messaggio); }
 }