Can I put a controller in FXML when using fx:root for SceneBuilder 2 works better?

This sounds like an easy question, but I can't seem to find a way to make it work properly.  I'm doing it with 2 SceneBuilder b14.  The only way I am able to do SceneBuilder using custom components, I created using FXML is with a configuration as follows:

two. TwoPane.fxml

<?xml version="1.0" encoding="UTF-8"?>


<?import javafx.scene.control.Button?>
<?import javafx.scene.layout.BorderPane?>
<fx:root prefHeight="200.0" prefWidth="200.0" type="BorderPane"
         xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1">
    <center>
        <Button fx:id="button" layoutX="58.0" layoutY="38.0"
                mnemonicParsing="false" text="Original Text"
                BorderPane.alignment="CENTER"/>
    </center>
</fx:root>

two. TwoPane.java

package two;


import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.scene.control.Button;
import javafx.scene.layout.BorderPane;


public final class TwoPane extends BorderPane {
    @FXML
    private Button button;
    @FXML
    public void initialize() {
        assert (button != null) : "The variable button must not be null.";
        button.setText("Updated Text");
    }
    public TwoPane() throws Exception {
        FXMLLoader loader = new FXMLLoader();
        loader.setLocation(getClass().getResource("TwoPane.fxml"));
        loader.setRoot(this);       // leaking 'this'?
        loader.setController(this); // leaking 'this'?
        loader.load();
    }
}

It's the kind of example, I see most often online, however, it is not possible to define TwoPane as a controller in the FXML file because it will cause an error. the control is already set via code.  Because the control is not set through FXML, SceneBuilder will not pick up the @FXML components, so things like fx:id and onAction lists don't get filled.

I tried a few variations, but can't find anything that plays well with SceneBuilder.  Any suggestions?

Hi there, don't you try to take a glance to the stage Builder reference samples? You will find the link on this page: JavaFX Developer Preview

Tags: Java

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