Hướng dẫn và ví dụ JavaFX ColorPicker

// Sét đặt để nút trình chọn mầu có giao diện giống SplitMenuButton
colorPicker.getStyleClass().add("split-button");

// Sét đặt để nút trình chọn mầu có giao diện giống MenuButton
colorPicker.getStyleClass().add("button");

package org.o7planning.javafx.colorpicker;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.ColorPicker;
import javafx.scene.layout.FlowPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.stage.Stage;

public class ColorPickerDemo extends Application {

    @Override
    public void start(Stage stage) {

        final ColorPicker colorPicker = new ColorPicker();
        colorPicker.setValue(Color.RED);

        final Circle circle = new Circle(50);
        circle.setFill(colorPicker.getValue());

        colorPicker.setOnAction(new EventHandler<ActionEvent>() {

            @Override
            public void handle(ActionEvent event) {
                circle.setFill(colorPicker.getValue());
            }
        });

        FlowPane root = new FlowPane();
        root.setPadding(new Insets(10));
        root.setHgap(10);
        root.getChildren().addAll(circle, colorPicker);

        Scene scene = new Scene(root, 400, 300);

        stage.setTitle("JavaFX ColorPicker (o7planning.org)");

        stage.setScene(scene);
        stage.show();
    }

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

}