Added connection screen to allow users to select available hosts from a preconfigured list.

- Added ConnectionController for initial client setup
- Added RaceConnection class for socket data and checking
- Configures StartController with a socket drawn from a host table

#story[782]

visualiser/src/main/java/seng302/App.java

@@ -22,9 +22,9 @@ public class App extends Application {
     }
 
     public void start(Stage stage) throws Exception {
-        FXMLLoader loader = new FXMLLoader(getClass().getResource("/scenes/connect.fxml"));
+        FXMLLoader loader = new FXMLLoader(getClass().getResource("/scenes/main.fxml"));
         Parent root = loader.load();
-        Scene scene = new Scene(root, 600, 400);
+        Scene scene = new Scene(root, 1200, 800);
         stage.setScene(scene);
         stage.show();
     }

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

@@ -1,10 +1,19 @@
 package seng302.Controllers;
 
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
+import javafx.scene.control.Button;
 import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.layout.AnchorPane;
+import seng302.RaceConnection;
 
-import javax.swing.text.TableView;
+import java.io.IOException;
+import java.net.Socket;
 import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.ResourceBundle;
 
 /**
@@ -12,10 +21,53 @@ import java.util.ResourceBundle;
  */
 public class ConnectionController extends Controller {
     @FXML
-    TableView connectionTable;
+    private AnchorPane connectionWrapper;
+    @FXML
+    private TableView connectionTable;
+    @FXML
+    private TableColumn<RaceConnection, String> hostnameColumn;
+    @FXML
+    private TableColumn<RaceConnection, String> statusColumn;
+    @FXML
+    private Button connectButton;
+
+    private List<RaceConnection> connections;
 
     @Override
     public void initialize(URL location, ResourceBundle resources) {
+        // TODO - replace with config file
+        connections = new ArrayList<>();
+        connections.add(new RaceConnection("livedata.americascup.com", 4941));
+        connections.add(new RaceConnection("localhost", 4942));
 
+        connectionTable.setItems(FXCollections.observableArrayList(connections));
+        hostnameColumn.setCellValueFactory(cellData -> cellData.getValue().hostnameProperty());
+        statusColumn.setCellValueFactory(cellData -> cellData.getValue().statusProperty());
+
+        connectionTable.getSelectionModel().selectedItemProperty().addListener((obs, prev, curr) -> {
+            if (curr != null && ((RaceConnection)curr).check()) connectButton.setDisable(false);
+            else connectButton.setDisable(true);
+        });
+    }
+
+    /**
+     * Sets current status of all connections.
+     */
+    public void checkConnections() {
+        for(RaceConnection connection: connections) {
+            connection.check();
+        }
+    }
+
+    /**
+     * Connects to host currently selected in table. Button enabled only if host is ready.
+     */
+    public void connectSocket() {
+        try{
+            RaceConnection connection = (RaceConnection)connectionTable.getSelectionModel().getSelectedItem();
+            Socket socket = new Socket(connection.getHostname(), connection.getPort());
+            connectionWrapper.setVisible(false);
+            parent.enterLobby(socket);
+        } catch (IOException e) { /* Never reached */ }
     }
 }

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

@@ -5,6 +5,7 @@ import javafx.scene.layout.AnchorPane;
 import seng302.RaceDataSource;
 import seng302.VisualiserInput;
 
+import java.net.Socket;
 import java.net.URL;
 import java.util.ResourceBundle;
 
@@ -23,6 +24,9 @@ public class MainController extends Controller {
         raceController.startRace(visualiserInput);
     }
 
+    public void enterLobby(Socket socket) {
+        startController.enterLobby(socket);
+    }
 
     /**
      * Main Controller for the applications will house the menu and the displayed pane.

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

@@ -12,24 +12,18 @@ import javafx.scene.control.TableView;
 import javafx.scene.control.cell.PropertyValueFactory;
 import javafx.scene.layout.AnchorPane;
 import javafx.scene.layout.GridPane;
-import org.xml.sax.SAXException;
 import seng302.Mock.*;
 import seng302.Model.Boat;
 import seng302.Model.RaceClock;
 import seng302.VisualiserInput;
-import seng302.RaceDataSource;
 
-import javax.xml.parsers.ParserConfigurationException;
 import java.io.IOException;
-import java.net.InetAddress;
 import java.net.Socket;
 import java.net.URL;
-import java.text.ParseException;
 import java.util.List;
 import java.util.Observable;
 import java.util.Observer;
 import java.util.ResourceBundle;
-import java.util.stream.Stream;
 
 /**
  * Created by esa46 on 6/04/17.
@@ -88,29 +82,8 @@ public class StartController extends Controller implements Observer {
 
     @Override
     public void initialize(URL location, ResourceBundle resources){
-        raceData = null;
-        try {
-            raceData = new StreamedCourse();
-            raceData.addObserver(this);
-//            visualiserInput = new VisualiserInput(new Socket("livedata.americascup.com", 4941), raceData);
-//            visualiserInput = new VisualiserInput(new Socket("132.181.15.116", 8085), raceData);
-            visualiserInput = new VisualiserInput(new Socket(InetAddress.getLocalHost(), 4942), raceData);
-            new Thread(visualiserInput).start();
-//            StreamedCourse streamedCourse = new StreamedCourse(new BoatXMLReader("mockXML/boatXML/boatTest.xml"));
-//            streamedCourse.setStreamedCourseXMLReader(new StreamedCourseXMLReader("mockXML/raceXML/raceTest.xml"));
-//            streamedCourse.setRegattaXMLReader(new RegattaXMLReader("mockXML/regattaXML/regattaTest.xml"));
-//            raceData = streamedCourse;
-//        }catch (ParseException e) {
-//            e.printStackTrace();
-//        } catch (ParserConfigurationException e) {
-//            e.printStackTrace();
-//        } catch (SAXException e) {
-//            e.printStackTrace();
-//        } catch (StreamedCourseXMLException e) {
-//            e.printStackTrace();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
+        raceData = new StreamedCourse();
+        raceData.addObserver(this);
     }
 
     public AnchorPane startWrapper(){
@@ -204,4 +177,18 @@ public class StartController extends Controller implements Observer {
             }
         }
     }
+
+    /**
+     * Show starting information for a race given a socket.
+     * @param socket network source of information
+     */
+    public void enterLobby(Socket socket) {
+        startWrapper.setVisible(true);
+        try {
+            visualiserInput = new VisualiserInput(socket, raceData);
+            new Thread(visualiserInput).start();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
 }

visualiser/src/main/java/seng302/RaceConnection.java

@@ -1,14 +1,53 @@
 package seng302;
 
+import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.property.StringProperty;
+
+import java.io.IOException;
+import java.net.Socket;
+
 /**
  * Created by cbt24 on 3/05/17.
  */
 public class RaceConnection {
-    private String hostname;
+    private StringProperty hostname;
     private int port;
+    private StringProperty status;
 
     public RaceConnection(String hostname, int port) {
-        this.hostname = hostname;
+        this.hostname = new SimpleStringProperty(hostname);
         this.port = port;
+        this.status = new SimpleStringProperty("");
+        check();
+    }
+
+    /**
+     * Tries to create a socket to hostname and port, indicates status after test.
+     */
+    @SuppressWarnings("unused")
+    public boolean check() {
+        try(Socket s = new Socket(hostname.get(), port)) {
+            status.set("Ready");
+            return true;
+        } catch (IOException e) {}
+
+        status.set("Offline");
+        return false;
+    }
+
+    public String getHostname() {
+        return hostname.get();
+    }
+
+    public StringProperty hostnameProperty() {
+        return hostname;
+    }
+
+    public int getPort() {
+        return port;
+    }
+
+    public StringProperty statusProperty() {
+        return status;
     }
 }