Added server list updates, and added lobby

- Server list updates when a server is added/removed
- Player can host a server
- Lobby view shows players connected

Tags: #pair[mra106, hyi25] #story[1245]

src/main/java/seng302/visualiser/controllers/ServerListController.java

@@ -5,7 +5,9 @@ import com.jfoenix.controls.JFXDialog;
 import com.jfoenix.controls.JFXDialog.DialogTransition;
 import java.io.IOException;
 import java.net.URL;
+import java.util.List;
 import java.util.ResourceBundle;
+import com.jfoenix.controls.JFXTextField;
 import javafx.application.Platform;
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
@@ -13,42 +15,49 @@ import javafx.fxml.Initializable;
 import javafx.scene.control.ScrollPane;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import seng302.gameServer.ServerDescription;
+import seng302.visualiser.ServerListener;
+import seng302.visualiser.ServerListenerDelegate;
 
-public class ServerListController implements Initializable {
+public class ServerListController implements Initializable, ServerListenerDelegate {
 
+    //--------FXML BEGIN--------//
+    // Layout Related
     @FXML
     private VBox serverListVBox;
     @FXML
     private ScrollPane serverListScrollPane;
     @FXML
     private StackPane serverListMainStackPane;
+
+    // Host Button
     @FXML
     private JFXButton serverListHostButton;
 
-    private void refreshServerList(){
+    //Direct Connect
+    @FXML
+    private JFXButton connectButton;
+    @FXML
+    private JFXTextField serverHostName;
+    @FXML
+    private JFXTextField serverPortNumber;
+    //---------FXML END---------//
 
-    }
+    private Logger logger = LoggerFactory.getLogger(ServerListController.class);
 
     public void initialize(URL location, ResourceBundle resources) {
 
         serverListVBox.minWidthProperty().bind(serverListScrollPane.widthProperty());
 
-//        for (int i = 0; i < 20; i++) {
-//            VBox pane = null;
-//
-//            FXMLLoader loader = new FXMLLoader(
-//                getClass().getResource("/views/cells/ServerCell.fxml"));
-//
-//            loader.setController(new ServerCell("Server " + i));
-//
-//            try {
-//                pane = loader.load();
-//            } catch (IOException e) {
-//                e.printStackTrace();
-//            }
-//
-//            serverListVBox.getChildren().add(pane);
-//        }
+        connectButton.setOnMouseReleased(event -> goToDirectConnectLobby());
+
+        try {
+            ServerListener.getInstance().setDelegate(this);
+        } catch (IOException e) {
+            logger.warn("Could not start Server Listener Delegate");
+        }
 
         Platform.runLater(() -> {
             FXMLLoader dialogContent = new FXMLLoader(getClass().getResource(
@@ -59,8 +68,49 @@ public class ServerListController implements Initializable {
                     DialogTransition.CENTER);
                 serverListHostButton.setOnAction(action -> dialog.show());
             } catch (IOException e) {
-                e.printStackTrace();
+                logger.warn("Could not create Server Creation Dialog.");
             }
         });
     }
+
+    private void goToDirectConnectLobby() {
+        // TODO: 7/09/17 ajm412: Implement ability to connect to a lobby.
+        serverHostName.setText("Invalid Host Name or Port Number");
+        serverPortNumber.setText("");
+    }
+
+    @Override
+    public void serverRemoved(List<ServerDescription> servers) {
+        Platform.runLater(() -> refreshServers(servers));
+    }
+
+    @Override
+    public void serverDetected(ServerDescription serverDescription, List<ServerDescription> servers) {
+        Platform.runLater(() -> refreshServers(servers));
+    }
+
+    private void refreshServers(List<ServerDescription> servers) {
+        // TODO: 7/09/17 ajm412: Add some way to force a refresh.
+        // TODO: 7/09/17 ajm412: Add something for No Servers Found.
+        serverListVBox.getChildren().clear();
+
+        // Populate the server list with a series of server cell objects.
+        for (ServerDescription server : servers){
+            VBox pane = null;
+
+            FXMLLoader loader = new FXMLLoader(
+                    getClass().getResource("/views/cells/ServerCell.fxml"));
+
+            loader.setController(new ServerCell(server));
+
+            try {
+                pane = loader.load();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+
+            serverListVBox.getChildren().add(pane);
+        }
+
+    }
 }