FXML Controllers are not set in stone; you can add methods to them and use them to transfer information.
Consider the following example for the FirstDocument.fxml we used earlier in this chapter:
public class SmartController implements Initializable { public void setText(String newText) { textField.setText(newText); } @FXML private Button button; @FXML private TextField textField; @Override public void initialize(URL url, ResourceBundle rb) { button.setText("hello"); } }
Now, we can work with the FXML variables from other classes, as in the following example, from Application:
FXMLLoader loader = new FXMLLoader(getClass().getResource("FirstDocument.fxml"));HBox root = loader.load();loader.<SmartController>getController().setText("Text ...
