Check method moved to new class called ping so that refresh will be called on new thread.

#story[1087]

racevisionGame/src/main/java/visualiser/Controllers/LobbyController.java

@@ -48,10 +48,13 @@ public class LobbyController extends Controller {
         statusColumn.setCellValueFactory(cellData -> cellData.getValue().statusProperty());
 
         lobbyTable.getSelectionModel().selectedItemProperty().addListener((obs, prev, curr) -> {
-            if (curr != null && ((RaceConnection)curr).check())
-            {joinGameBtn.setDisable(false);}
-
-            else {joinGameBtn.setDisable(true);}
+            if (curr != null && curr.statusProperty().getValue().equals("Ready")) {
+                joinGameBtn.setDisable(false);
+            }
+            else {
+                joinGameBtn.setDisable(true);
+                System.out.println(curr.statusProperty().getValue());
+            }
         });
         joinGameBtn.setDisable(true);
     }
@@ -60,6 +63,14 @@ public class LobbyController extends Controller {
         for(RaceConnection connection: connections) {
             connection.check();
         }
+
+        try {
+            if (lobbyTable.getSelectionModel().getSelectedItem().statusProperty().getValue().equals("Ready")) {
+                joinGameBtn.setDisable(false);
+            } else {
+                joinGameBtn.setDisable(true);
+            }
+        } catch (Exception e){}
     }
 
     public void connectSocket() {
@@ -68,7 +79,9 @@ public class LobbyController extends Controller {
             Socket socket = new Socket(connection.getHostname(), connection.getPort());
             lobbyWrapper.setVisible(false);
             parent.enterLobby(socket);
-        } catch (IOException e) { /* Never reached */ }
+        } catch (IOException e) { /* Never reached */
+            e.printStackTrace();
+        }
     }
 
     public AnchorPane startWrapper(){

racevisionGame/src/main/java/visualiser/model/Ping.java

@@ -0,0 +1,46 @@
+package visualiser.model;
+
+import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.property.StringProperty;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+
+/**
+ * Created by David on 26/07/2017.
+ */
+public class Ping implements Runnable {
+
+    private final String hostname;
+    private final int port;
+    private final RaceConnection rc;
+
+    public Ping(String hostname, int port, RaceConnection rc){
+        this.hostname = hostname;
+        this.port = port;
+        this.rc = rc;
+    }
+
+    public boolean pingPort(){
+        //TODO the connection needs to be moved to its own thread, so it doesn't block fx thread.
+        InetSocketAddress i = new InetSocketAddress(hostname, port);
+        try (Socket s = new Socket()){
+            s.connect(i, 750);//TODO this should be at least a second or two, once moved to its own thread
+            s.shutdownInput();
+            s.shutdownOutput();
+            s.close();
+            rc.statusProperty().set("Ready");
+            //System.out.println(String.valueOf(s.isClosed()));
+            return true;
+        } catch (IOException e) {
+            rc.statusProperty().set("Offline");
+        }
+        return false;
+    }
+
+    @Override
+    public void run() {
+        pingPort();
+    }
+}

racevisionGame/src/main/java/visualiser/model/RaceConnection.java

@@ -35,21 +35,9 @@ public class RaceConnection {
      * @return true if socket can connect
      */
     public boolean check() {
-        //TODO the connection needs to be moved to its own thread, so it doesn't block fx thread.
-        InetSocketAddress i = new InetSocketAddress(hostname.get(), port);
-        try (Socket s = new Socket()){
-            s.connect(i, 750);//TODO this should be at least a second or two, once moved to its own thread
-            status.set("Ready");
-            s.shutdownInput();
-            s.shutdownOutput();
-            s.close();
-            //System.out.println(String.valueOf(s.isClosed()));
-            return true;
-        } catch (IOException e) {
-        }
-
-        status.set("Offline");
-        return false;
+        Ping ping = new Ping(hostname.get(), port, this);
+        new Thread(ping).start();
+        return true;
     }
 
     public String getHostname() {

racevisionGame/src/main/java/visualiser/model/ResizableCanvas.java

@@ -32,8 +32,6 @@ public abstract class ResizableCanvas extends Canvas {
     public abstract void draw();
 
 
-
-
     @Override
     public boolean isResizable() {
         return true;