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    <p>FXML is a simple form of <a href="http://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93controller">MVC pattern</a>. FXML file is a view, Controller is obvious, what's missed? The model -- a place where you store all data relative to your current view and, thus, which you can use to share Country data between controllers.</p> <hr> <p><strong>1.</strong> One of the possible approach to introduce model is "context". Let's consider a case, then you have only one model for the whole project so you can have a global context in a form of <a href="http://en.wikipedia.org/wiki/Singleton_pattern">Singleton</a></p> <pre><code>public class Context { private final static Context instance = new Context(); public static Context getInstance() { return instance; } private Country country = new Country(); public Country currentCountry() { return country; } } </code></pre> <p>Your SampleController will have next changes:</p> <pre><code>@Override public void initialize(URL url, ResourceBundle rb) { Context.getInstance().currentCountry().setCountry("Belgium"); } </code></pre> <p>And <code>SubController1</code> can access it the same way:</p> <pre><code>@Override public void initialize(URL url, ResourceBundle rb) { System.out.println(Context.getInstance().currentCountry().getCountry()); } </code></pre> <hr> <p><strong>2.</strong> Another way is to pass context to <code>SubController1</code> then you load it's xml. It will work better if you don't want to have application global model. So create similar Context class but without instance fields, and:</p> <pre><code>public class Sub1Controller implements Initializable { private Context context; public void setContext(Context context) { this.context = context; // initialize country dependent data here rather then in initialize() } } </code></pre> <p>Setting context in <code>SampleController</code>:</p> <pre><code>Context currentContext = new Context(); @Override public void initialize(URL url, ResourceBundle rb) { currentContext.currentCountry().setCountry("Belgium"); } @FXML private void handleButtonAction(ActionEvent event) throws IOException { URL url = getClass().getResource("Sub1.fxml"); FXMLLoader fxmlloader = new FXMLLoader(); fxmlloader.setLocation(url); fxmlloader.setBuilderFactory(new JavaFXBuilderFactory()); pContent.getChildren().clear(); pContent.getChildren().add((Node) fxmlloader.load(url.openStream())); // here we go ((Sub1Controller)fxmlloader.getController()).setContext(currentContext); } </code></pre>
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    1. USSergey Grinev
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    1. COThanks a million times Sergey, finally it all makes sense. This is the first time I have to create a big application but I'm still struggeling on how to 'build' it. I also have another security question that I'd want to ask, but I'm not sure if this is the right site to ask it (its not code related)
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    2. COHey Sergey, sorry to bring up this old topic. This is still working as a charm but what I do wonder... Is there a way to maximize the width and height from the Node object `(Node) fxmlloader.load(url.openStream())` so it is bound to the widht & height of the Pane (pContent)?
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    3. COit should work automatically, if not, better provide your code in a separate question
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