How to get the FXML controller at run time

Hello
is there a way to get the reference of a controller of fxml running?
I know you can get fxml controller in this way:

Location of the URL = getClass () .getResource ("MyComponent.fxml");

FXMLLoader fxmlLoader = new FXMLLoader();
fxmlLoader.setLocation (rental);
fxmlLoader.setBuilderFactory (new JavaFXBuilderFactory());

Parent fxmlNode = fxmlLoader.load (location.openStream ()) (Parent);

MyController controller = fxmlLoader.getController () (MyController);

fxmlNode.setUserData (controller);

and get in fxmlNode.getUserData (), but this is not always possible, for example in the case of inclusion
(< fx: include source = "OtherConponent.fxml" / >).


Thanks in advance

Andrea

Hello Andrea,

If you use FXML 2.2 you can do this:



   
     
  

public class FirstController {
    @FXML // included component  fx:id="includedComponent1"
    private Node includedComponent1;

    @FXML // controller for included component fx:id="includedComponent1" will be
               // injected by FXMLLoader if it finds a variable whose name is composed of the
               // include element fx:id followed by "Controller" => in our case that's
               // "includedComponent1Controller"
    private IncludedController includedComponent1Controller;
}

The controller of the included file will be available as a variable inside the controller of the file to include.

Hope this helps,

-daniel

Tags: Java

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