Loaded Observers to Session loading

src/main/java/seng202/group9/Controller/App.java

@@ -14,7 +14,7 @@ import javafx.scene.layout.AnchorPane;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.VBox;
 import javafx.stage.Stage;
-import seng202.group9.GUI.MenuController;
+import seng202.group9.GUI.*;
 
 /**
  * Main Application frame of the Flight Data Analyser.
@@ -39,7 +39,6 @@ public class App extends Application
 	@Override
 	public void start(Stage primaryStage) {
 		this.primaryStage = primaryStage;
-		this.session = new Session();
 		//load the menu and the first container
 		try {
 			FXMLLoader loader = new FXMLLoader();
@@ -50,7 +49,7 @@ public class App extends Application
 			primaryStage.sizeToScene();
 			MenuController menuController = (MenuController) loader.getController();
 			menuController.setApp(this);
-			//replaceSceneContent("flight_raw_data.fxml");//replace this to check your fxml file
+			in.close();
 		} catch (Exception e) {
 			e.printStackTrace();
 		}
@@ -63,11 +62,12 @@ public class App extends Application
 			e.printStackTrace();
 
 		}
+/*
 		AirlineFilter filter = new AirlineFilter(currentDataset.getAirlines());
 		filter.filterName("NZ");
 		filter.filterAlias("flight");
 		filter.printFilter();
-/*
+
 		//testout single route adding
 		try {
 			currentDataset.addRoute("D2", "MAC", "WIN", "Y", "0", "NOW");
@@ -111,7 +111,55 @@ public class App extends Application
         } catch (DataException e) {
             e.printStackTrace();
         }*/
-
+		//after all loading then load the previous session
+		try{
+			FileInputStream fileIn = new FileInputStream("res/session.ser");
+			ObjectInputStream objectIn = new ObjectInputStream(fileIn);
+			session = (Session) objectIn.readObject();
+			if (session.getSceneDisplayed() == SceneCode.AIRLINE_RAW_DATA){
+				AirlineRDController controller = (AirlineRDController) replaceSceneContent(session.getSceneDisplayed());
+				controller.setApp(this);
+				controller.loadTables();
+			}else if (session.getSceneDisplayed() == SceneCode.AIRLINE_SUMMARY){
+				AirlineSummaryController controller = (AirlineSummaryController) replaceSceneContent(session.getSceneDisplayed());
+				controller.setApp(this);
+				controller.loadTables();
+			}else if (session.getSceneDisplayed() == SceneCode.AIRPORT_RAW_DATA){
+				AirportRDController controller = (AirportRDController) replaceSceneContent(session.getSceneDisplayed());
+				controller.setApp(this);
+				controller.loadTables();
+			}else if (session.getSceneDisplayed() == SceneCode.AIRPORT_SUMMARY){
+				AirportSummaryController controller = (AirportSummaryController) replaceSceneContent(session.getSceneDisplayed());
+				controller.setApp(this);
+				controller.loadTables();
+			}else if (session.getSceneDisplayed() == SceneCode.ROUTE_RAW_DATA){
+				RouteRDController controller = (RouteRDController) replaceSceneContent(session.getSceneDisplayed());
+				controller.setApp(this);
+				controller.loadTables();
+			}else if (session.getSceneDisplayed() == SceneCode.ROUTE_RAW_DATA){
+				RouteSummaryController controller = (RouteSummaryController) replaceSceneContent(session.getSceneDisplayed());
+				controller.setApp(this);
+				controller.loadTables();
+			}else if (session.getSceneDisplayed() == SceneCode.FLIGHT_RAW_DATA){
+				FlightRawDataController controller = (FlightRawDataController) replaceSceneContent(session.getSceneDisplayed());
+				controller.setApp(this);
+				controller.loadTables();
+			}else if (session.getSceneDisplayed() == SceneCode.FLIGHT_SUMMARY){
+				FlightSummaryController controller = (FlightSummaryController) replaceSceneContent(session.getSceneDisplayed());
+				controller.setApp(this);
+				controller.flightPathListView();
+			}
+			objectIn.close();
+			fileIn.close();
+		}catch(IOException e){
+			session = new Session();
+			e.printStackTrace();
+		}catch(ClassNotFoundException e){
+			System.out.println("Missing Session Class");
+			System.exit(1);
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
 	}
 
 	/**

src/main/java/seng202/group9/Controller/Session.java

@@ -20,4 +20,8 @@ public class Session implements Serializable {
     public void setSceneDisplayed(SceneCode sceneDisplayed) {
         this.sceneDisplayed = sceneDisplayed;
     }
+
+    public SceneCode getSceneDisplayed() {
+        return sceneDisplayed;
+    }
 }