Fixed Scene Loading

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

@@ -26,6 +26,7 @@ public class App extends Application
 	private ArrayList<Dataset> Datasets = new ArrayList<Dataset>();
 	private Dataset currentDataset = null;
 	private Stage primaryStage = null;
+	private VBox mainContainer;
 	
     public static void main( String[] args )
     {
@@ -38,8 +39,15 @@ public class App extends Application
 	@Override
 	public void start(Stage primaryStage) {
 		this.primaryStage = primaryStage;
+		//load the menu and the first container
 		try {
-			MenuController menuController = new MenuController();
+			FXMLLoader loader = new FXMLLoader();
+			InputStream in = getClass().getClassLoader().getResourceAsStream("menu.fxml");
+			mainContainer = (VBox) loader.load(in);
+			Scene scene = new Scene(mainContainer, 800, 600);
+			primaryStage.setScene(scene);
+			primaryStage.sizeToScene();
+			MenuController menuController = (MenuController) loader.getController();
 			menuController.setApp(this);
 			replaceSceneContent("menu.fxml");//replace this to check your fxml file
 		} catch (Exception e) {
@@ -81,18 +89,16 @@ public class App extends Application
 	public Initializable replaceSceneContent(String fxml) throws Exception {
 		FXMLLoader loader = new FXMLLoader();
 		InputStream in = getClass().getClassLoader().getResourceAsStream(fxml);
-		InputStream menuIn = getClass().getClassLoader().getResourceAsStream("menu.fxml");
+		Parent page;
-		VBox page;
 		try {
-			page = (VBox) loader.load(menuIn);
+			page = (Parent) loader.load(in);
-			Parent content = loader.load(getClass().getClassLoader().getResource(fxml));
-			page.getChildren().add(content);
 		} finally {
 			in.close();
 		}
-		Scene scene = new Scene(page, 800, 600);
+		while(mainContainer.getChildren().size() > 1) {
-		primaryStage.setScene(scene);
+			mainContainer.getChildren().remove(1);
-		primaryStage.sizeToScene();
+		}
+		mainContainer.getChildren().add(page);
 		return (Initializable) loader.getController();
 	}
 

src/main/java/seng202/group9/GUI/MenuController.java

@@ -34,7 +34,8 @@ public class MenuController implements Initializable{
 	 */
 	public void loadAirlineRaw(){
 		try {
-			parent.replaceSceneContent("airline_raw_data.fxml");
+			parent.replaceSceneContent("menu.fxml");
+			System.out.println("Loaded Airline Raw Data.");
 		} catch (Exception e) {
 			e.printStackTrace();
 		}

src/main/resources/menu.fxml

@@ -1,12 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
+<?import java.lang.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
 <?import javafx.scene.control.Menu?>
 <?import javafx.scene.control.MenuBar?>
 <?import javafx.scene.control.MenuItem?>
 <?import javafx.scene.control.SeparatorMenuItem?>
 <?import javafx.scene.layout.VBox?>
 
-<VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.65" xmlns:fx="http://javafx.com/fxml/1" fx:controller="seng202.group9.GUI.MenuController">
+<VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="seng202.group9.GUI.MenuController">
    <children>
       <MenuBar>
         <menus>
@@ -31,7 +34,7 @@
                   <Menu mnemonicParsing="false" text="Airline">
                      <items>
                         <MenuItem mnemonicParsing="false" text="Summary" />
-                        <MenuItem mnemonicParsing="false" text="Raw Data" />
+                        <MenuItem mnemonicParsing="false" onAction="#loadAirlineRaw" text="Raw Data" />
                      </items>
                   </Menu>
                   <Menu mnemonicParsing="false" text="Route">