import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.scene.Group;
import javafx.scene.PerspectiveCamera;
import javafx.scene.Scene;
import javafx.scene.control.ColorPicker;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.paint.PhongMaterial;
import javafx.scene.shape.Sphere;
import javafx.stage.Stage;

public class DiffuseColorTestApp extends Application {

    private ColorPicker diffuseColorPicker;
    private PhongMaterial material;
    private Sphere s;

    @Override
    public void start(Stage stage) throws Exception {
        material = new PhongMaterial();
        s = new Sphere(2);
        s.setScaleX(100);
        s.setScaleY(100);
        s.setScaleZ(100);
        s.setMaterial(material);
        Group root1 = new Group(s);
        root1.setTranslateX(250);
        root1.setTranslateY(250);
        
        diffuseColorPicker = new ColorPicker(material.getDiffuseColor());
        diffuseColorPicker.valueProperty().bindBidirectional(material.diffuseColorProperty());
        diffuseColorPicker.valueProperty().addListener(new ChangeListener<Color>() {
            @Override
            public void changed(ObservableValue<? extends Color> ov, Color t, Color t1) {
                System.out.println("color changed" + t1);
                material.setDiffuseColor(t1);   
            }
        });

        VBox controls = new VBox();
        controls.getChildren().addAll(diffuseColorPicker);

        
        Group root = new Group(root1, controls);
        Scene scene = new Scene(root, 500, 500, true);
        
        scene.setCamera(new PerspectiveCamera());
        stage.setScene(scene);
        stage.show();
    }
    
    public static void main(String[] args) {
        launch(args);
    }
}