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package javafxapplication68;

import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
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.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.FontSmoothingType;
import javafx.scene.text.TextBuilder;
import javafx.stage.Stage;
import javafx.util.Duration;

public class JavaFXApplication68 extends Application {

    public static void main(String[] args) {
        launch(args);
    }
    
    double height;
    

    @Override
    public void start(Stage primaryStage) {
        
       
        
        
        TitledPane t1 = new TitledPane("Node 1", new Button("Button"));
        TitledPane t2 = new TitledPane("Node 2", TextBuilder.create().text("String").fontSmoothingType(FontSmoothingType.LCD).build());
        TitledPane t3 = new TitledPane("Node 3", new Rectangle(120,50, Color.RED));
        
        final Accordion accordion = new Accordion();
        
        accordion.getPanes().add(t1);
        accordion.getPanes().add(t2);
        accordion.getPanes().add(t3);
        
        Timeline t = new Timeline();
        
        
        height = accordion.getHeight();
        
        
        t.getKeyFrames().addAll(new KeyFrame(Duration.ZERO), new KeyFrame(Duration.INDEFINITE));
        
        
        t.currentTimeProperty().addListener(new ChangeListener(){

            @Override
            public void changed(ObservableValue observable, Object oldValue, Object newValue) {
                
                double newHeight = accordion.getHeight();
                
                if ( newHeight != height  ){
                    
                    System.out.println(height + " -> " + newHeight);                    
                    height = newHeight;
                }
            }        
        });
        
        t.playFromStart();
        
        Group root = new Group();
       
        root.getChildren().add(accordion);

        Scene scene = new Scene(root, 300, 250);

        primaryStage.setTitle("Hello World!");
        primaryStage.setScene(scene);
        primaryStage.show();
    }
}