package menu_28393_leftright;

import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Popup;
import javafx.stage.Stage;


public class RT28393_NoControls extends Application {

    private EventHandler<KeyEvent> keyEventHandler;

    @Override public void start(Stage stage) {
        stage.setTitle("Hello Popup");
        stage.setWidth(300);
        stage.setHeight(300);

        Rectangle rect1 = focusableRect();
        Rectangle rect2 = focusableRect();
        Rectangle rect3 = focusableRect();
        Rectangle rect4 = focusableRect();


        VBox sVbox1 = new VBox(20);
        HBox sHbox1 = new HBox();
        sHbox1.getChildren().addAll(rect1, rect2);
        HBox sHbox2 = new HBox();
        sHbox2.getChildren().addAll(rect3, rect4);

        Scene scene = new Scene(sVbox1);
        ((VBox)scene.getRoot()).getChildren().addAll(sHbox1, sHbox2);

        keyEventHandler = new EventHandler<KeyEvent>() {
            @Override public void handle(KeyEvent event) {
                System.out.println(">>>>> Main scene :  handle key event");
                switch (event.getCode()) {
                case LEFT:
                    System.out.println(">>>>> Main scene :  LEFT");
                    event.consume();
                    break;
                case RIGHT:
                    System.out.println(">>>>> Main scene :  RIGHT");
                    event.consume();
                    break;
                case DOWN:
                    System.out.println(">>>>> Main scene :  DOWN");
                    event.consume();
                    break;
                case UP:
                    System.out.println(">>>>> Main scene :  UP");
                    event.consume();
                    break;
                default:
                    break;
                }
            }
        };
        scene.addEventFilter(KeyEvent.KEY_PRESSED, keyEventHandler);


        Popup popup = new Popup();
        popup.setAutoHide(false);
        Group pGroup = new Group();
        Rectangle r = new Rectangle();
        r.setWidth(200);
        r.setHeight(200);
        r.setFill(Color.BLUE);

        Rectangle pRect1 = focusableRect();
        Rectangle pRect2 = focusableRect();
        Rectangle pRect3 = focusableRect();
        Rectangle pRect4 = focusableRect();

        VBox pVbox1 = new VBox(20);
        HBox pHbox1 = new HBox();
        pHbox1.getChildren().addAll(pRect1, pRect2);
        HBox pHbox2 = new HBox();
        pHbox2.getChildren().addAll(pRect3, pRect4);
        pVbox1.getChildren().addAll(pHbox1, pHbox2);

        pGroup.getChildren().addAll(r, pVbox1);
        popup.getContent().add(pGroup);


        stage.setScene(scene);
        stage.show();
        popup.show(stage, 500.0, 500.0);

    }


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

    private Rectangle focusableRect() {
        final Rectangle rect = new Rectangle(50,50);
        rect.setFocusTraversable(true);
        rect.setFill(Color.BLUE);
        final ChangeListener<Boolean> focusListener1 = new ChangeListener<Boolean>() {
            @Override
            public void changed(ObservableValue<? extends Boolean> ov, Boolean t, Boolean t1) {
                if (t1) {
                    rect.setFill(Color.RED);
                }
                else {
                    rect.setFill(Color.GREEN);
                }
            }
        };
        rect.focusedProperty().addListener(focusListener1);

        return rect;
    }

}