How to access controller Application?

I do the Java for decades, but am a beginner FXML. Currently, I do FXMLLoader.load (fxmlFile) in Application.start (), which works well. My instance of the Application creates a background in Application.init () thread that feeds on several properties of custom application with incoming data from a remote model (encapsulating a hardware). Later, some of my windows must be able to access these properties. So the question is: How can I inject my instance of the Application in bodies established by FXMLLoader automatic controller linked to bodies established by FXML scene?

Create an instance of the loader, rather than using the static load method.

After you load your fxml, get your controller to your loader instance.

Add an API to the joystick to set the application referencing him.

Call your API setApplication on your controller to store a reference to application in the controller.

See:

di - passing parameters JavaFX FXML - Stack Overflow

public Stage showCustomerDialog(Customer customer) {
  FXMLLoader loader = new FXMLLoader(
  getClass().getResource(
   "customerDialog.fxml"
   )
  );

Stage stage = new Stage(StageStyle.DECORATED);
  stage.setScene(
   new Scene(
   (Pane) loader.load()
   )
  );

CustomerDialogController controller =
  loader.getController();
  controller.initData(customer);

stage.show();

return stage;
}

...

class CustomerDialogController() {
  @FXML private Label customerName;
  void initialize() {}
  void initData(Customer customer) {
  customerName.setText(customer.getName());
  }
}

Tags: Java

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