package controls;

import com.sun.javafx.runtime.VersionInfo;
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Accordion;
import javafx.scene.control.Button;
import javafx.scene.control.TitledPane;
import javafx.scene.layout.HBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

public class DoAccordion2 extends Application {
    @Override
    public void start(Stage stage) {
        stage.setTitle(VersionInfo.getRuntimeVersion());
        
        TitledPane pane1 = new TitledPane();
        pane1.setText("title 1\nLong text long text");
        pane1.setContent(new Rectangle(100, 40, Color.SKYBLUE));
        
        TitledPane pane2 = new TitledPane();
        pane2.setText("title 2\nLong text long text");
        pane2.setContent(new Rectangle(100, 40, Color.BLUEVIOLET));
        
        Accordion acc = new Accordion();
        acc.getPanes().addAll(pane1, pane2);
        acc.setExpandedPane(pane2);
        // commenting any of next three lines removes issue
        pane2.setAnimated(false);
        pane1.setFocusTraversable(false);
        pane2.setFocusTraversable(false);

        HBox root = new HBox(5);
        
        Button btn = new Button("Long text long text");
        
        root.getChildren().addAll(acc, btn);
        stage.setScene(new Scene(root, 300, 300));
        stage.show();
    }

    public static void main(String[] args) {
        launch(DoAccordion2.class, args);
    }
}