updated the connection scene to let a user add their own connection

-added textfields to the fxml
-added scaling to the connection scene(in mainController)
-added a newConnection method and a method for getting the wrapper anchor pane

#story[782]

visualiser/src/main/java/seng302/Controllers/ConnectionController.java

@@ -6,6 +6,7 @@ import javafx.fxml.FXML;
 import javafx.scene.control.Button;
 import javafx.scene.control.TableColumn;
 import javafx.scene.control.TableView;
+import javafx.scene.control.TextField;
 import javafx.scene.layout.AnchorPane;
 import seng302.RaceConnection;
 
@@ -31,16 +32,21 @@ public class ConnectionController extends Controller {
     @FXML
     private Button connectButton;
 
-    private List<RaceConnection> connections;
+    @FXML
+    private TextField urlField;
+    @FXML
+    private TextField portField;
+
+    private ObservableList<RaceConnection> connections;
 
     @Override
     public void initialize(URL location, ResourceBundle resources) {
         // TODO - replace with config file
-        connections = new ArrayList<>();
+        connections = FXCollections.observableArrayList();
         connections.add(new RaceConnection("livedata.americascup.com", 4941));
         connections.add(new RaceConnection("localhost", 4942));
 
-        connectionTable.setItems(FXCollections.observableArrayList(connections));
+        connectionTable.setItems(connections);
         hostnameColumn.setCellValueFactory(cellData -> cellData.getValue().hostnameProperty());
         statusColumn.setCellValueFactory(cellData -> cellData.getValue().statusProperty());
 
@@ -60,6 +66,10 @@ public class ConnectionController extends Controller {
         }
     }
 
+    public AnchorPane startWrapper(){
+        return connectionWrapper;
+    }
+
     /**
      * Connects to host currently selected in table. Button enabled only if host is ready.
      */
@@ -71,4 +81,19 @@ public class ConnectionController extends Controller {
             parent.enterLobby(socket);
         } catch (IOException e) { /* Never reached */ }
     }
+
+    /**
+     * adds a new connection
+     */
+    public void addConnection(){
+        String hostName = urlField.getText();
+        String portString = portField.getText();
+        try{
+            int port = Integer.parseInt(portString);
+            connections.add(new RaceConnection(hostName, port));
+        }catch(NumberFormatException e){
+            System.err.println("Port number entered is not a number");
+        }
+
+    }
 }

visualiser/src/main/java/seng302/Controllers/MainController.java

@@ -43,5 +43,10 @@ public class MainController extends Controller {
         AnchorPane.setBottomAnchor(startController.startWrapper(), 0.0);
         AnchorPane.setLeftAnchor(startController.startWrapper(), 0.0);
         AnchorPane.setRightAnchor(startController.startWrapper(), 0.0);
+
+        AnchorPane.setTopAnchor(connectionController.startWrapper(), 0.0);
+        AnchorPane.setBottomAnchor(connectionController.startWrapper(), 0.0);
+        AnchorPane.setLeftAnchor(connectionController.startWrapper(), 0.0);
+        AnchorPane.setRightAnchor(connectionController.startWrapper(), 0.0);
     }
 }