omar test 2

import javafx.application.Application;

import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.RadioButton;
import javafx.scene.control.ToggleGroup;

import javafx.stage.Stage;
import javafx.scene.layout.*;
import javafx.scene.paint.Color;
import javafx.scene.shape.*;

public class Traffic extends Application {
    BorderPane bPane = new BorderPane();

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

    @Override
    public void start(Stage primaryStage) {

        bPane.setBottom(bottom());
        bPane.setCenter(Light.createLight());

        Scene sce = new Scene(bPane, 250, 300);

        primaryStage.setTitle("Traffic");
        primaryStage.setScene(sce);
        primaryStage.show();
        primaryStage.setResizable(false);

    }

    public HBox bottom() {
        HBox selection = new HBox(15);

        RadioButton Red = new RadioButton("Red");
        RadioButton Yellow = new RadioButton("Yellow");
        RadioButton Green = new RadioButton("Green");
        ToggleGroup group = new ToggleGroup();
        Red.setToggleGroup(group);
        Yellow.setToggleGroup(group);
        Green.setToggleGroup(group);

        selection.getChildren().addAll(Red, Yellow, Green);
        selection.setAlignment(Pos.CENTER);

        Red.setOnAction(e -> {
            if (Red.isSelected())
                bPane.getChildren().add(Light.setRed());
        });
        Yellow.setOnAction(e -> {
            if (Yellow.isSelected())
                bPane.getChildren().add(Light.setYellow());
        });
        Green.setOnAction(e -> {
            if (Green.isSelected())
                bPane.getChildren().add(Light.setGreen());
        });

        Red.fire();


        return selection;

    }

    static class Light extends StackPane {

        public static int sel;

        public static Pane createLight() {

            Pane pane = new Pane();


            Rectangle out = new Rectangle();
            out.setHeight(200);
            out.setWidth(75);
            out.setFill(Color.TRANSPARENT);
            out.setStroke(Color.BLACK);
            out.setStrokeWidth(2);
            out.setX(87.5);
            out.setY(50);

            Circle outC1 = new Circle();
            outC1.setCenterX(125);
            outC1.setCenterY(90);
            outC1.setRadius(20);
            outC1.setFill(Color.TRANSPARENT);
            outC1.setStroke(Color.BLACK);

            Circle outC2 = new Circle();
            outC2.setCenterX(125);
            outC2.setCenterY(150);
            outC2.setRadius(20);
            outC2.setFill(Color.TRANSPARENT);
            outC2.setStroke(Color.BLACK);

            Circle outC3 = new Circle();
            outC3.setCenterX(125);
            outC3.setCenterY(210);
            outC3.setRadius(20);
            outC3.setFill(Color.TRANSPARENT);
            outC3.setStroke(Color.BLACK);

            Circle red = new Circle();
            red.setCenterX(125);
            red.setCenterY(90);
            red.setRadius(20);
            Circle yellow = new Circle();
            yellow.setCenterX(125);
            yellow.setCenterY(150);
            yellow.setRadius(20);
            Circle green = new Circle();
            green.setCenterX(125);
            green.setCenterY(210);
            green.setRadius(20);


            if (sel == 0) {


                red.setFill(Color.RED);
                yellow.setFill(Color.WHITE);
                green.setFill(Color.WHITE);


            } else if (sel == 1) {


                yellow.setFill(Color.YELLOW);

                red.setFill(Color.WHITE);
                green.setFill(Color.WHITE);


            } else if (sel == 2) {


                green.setFill(Color.GREEN);
                red.setFill(Color.WHITE);
                yellow.setFill(Color.WHITE);

            }


            pane.getChildren().addAll(red,green,yellow);
            pane.getChildren().add(out);
            pane.getChildren().addAll(outC1, outC2, outC3);






            return pane;
        }

        public static Pane setRed() {

            sel = 0;
            return createLight();

        }

        public static Pane setYellow() {
            sel = 1;

            return createLight();
        }

        public static Pane setGreen() {

            sel = 2;
            return createLight();
        }

    }
}