Scalable Red Stripes with No Property Binding

// Antonio Silvestri
// 03/20/17
// Scalable Red Stripes with No Property Binding

package chapter14;

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

public class Stripes2 extends Application {
    @Override // Override the start method in the Application class
    public void start(Stage primaryStage) {
        final double PANEWIDTH = 570;
        final double PANEHEIGHT = 310;

        // Create a scene and place it in the stage
        Scene scene = new Scene(new FlagPane(), PANEWIDTH, PANEHEIGHT);
        primaryStage.setTitle("Red Stripes");
        primaryStage.setScene(scene);
        primaryStage.setResizable(true);
        primaryStage.show();
    }

    /**
     * The main method is only needed for the IDE with limited JavaFX support.
     * Not needed for running from the command line.
     */
    public static void main(String[] args) {
        launch(args);
    }
}

// Property Binding Technique

class FlagPane extends Pane {
    private void paint() {
        this.getChildren().clear();
        for (int i = 0; i < 7; i++) {
            Rectangle r = new Rectangle();
            r.setX(10);
            r.setWidth(getWidth() - 20);
            r.setHeight((getHeight() - 20) / 13.0);
            r.setY((getHeight() - 20) / 13.0 * (2 * i) + 10);
            r.setFill(Color.RED);
            this.getChildren().add(r);
        }
    }

    @Override
    public void setWidth(double width) {
        super.setWidth(width);
        paint();
    }

    @Override
    public void setHeight(double height) {
        super.setHeight(height);
        paint();
    }
}