});

		drawButton.setOnAction(ActionEvent -> {
			if (gc == null) {
				gc = editArea.getGraphicsContext2D();
			}

		});

		editArea.setOnMouseClicked(ActionEvent -> {
			if (editRadio.isSelected() && scaleRadio.isSelected()) {
				clickedPoints.set(clickedPoints.size() - 1,
						scalePolygon(ActionEvent, clickedPoints.get(clickedPoints.size() - 1), scaleRatio.getText()));
			} else {
				collectPolygon(ActionEvent, editArea);
			}
		});
		editArea.setOnMousePressed(ActionEVent -> {
			if (editRadio.isSelected())
				firstPoint = new Point(ActionEVent.getX(), ActionEVent.getY());
		});
		editArea.setOnMouseDragged(MouseDragEvent -> {
			if (editRadio.isSelected() && !scaleRadio.isSelected()) {
				clickedPoints.set(clickedPoints.size() - 1,
						movePolygon(clickedPoints.get(clickedPoints.size() - 1), MouseDragEvent));
			}
		});

		drawButton.setOnAction(ActionEvent -> {
			drawPolygon(Color.BLACK, clickedPoints.get(clickedPoints.size() - 1), 1);
		});
	}

	private List<Point> scalePolygon(MouseEvent actionEVent, List<Point> list, String text) {
		drawPolygon(Color.WHITE, list, 5);
		double k = Double.parseDouble(text);
		list.stream().forEach(point -> {
			point.setX(point.getX() * k + (1 - k) * actionEVent.getX());
			point.setY(point.getY() * k + (1 - k) * actionEVent.getY());
		});
		drawPolygon(Color.BLACK, list, 1);
		return list;
	}

	private List<Point> movePolygon(List<Point> list, MouseEvent event) {
		double deltaX = (firstPoint.getX() - event.getX()) / 50;
		double deltaY = (firstPoint.getY() - event.getY()) / 50;
		drawPolygon(Color.WHITE, list, 5);
		list.stream().forEach(point -> {
			point.setX(point.getX() - deltaX);
			point.setY(point.getY() - deltaY);
		});
		drawPolygon(Color.BLACK, list, 1);
		return list;

	}

	public void collectPolygon(MouseEvent event, Canvas canvas) {
		if (canvas == null) {
			canvas = new Canvas();
			canvas.setWidth(600);
			canvas.setHeight(600);
		}
		Point point = new Point(event.getX(), event.getY());
		List<Point> list = new LinkedList<Point>();

		if (!painted) {
			list = clickedPoints.get(clickedPoints.size() - 1);
		}
		list.add(point);

		if (clickedPoints.size() == 0) {
			clickedPoints.add(list);
		} else {
			clickedPoints.set(clickedPoints.size() - 1, list);
		}

		if (gc == null)
			gc = canvas.getGraphicsContext2D();

		painted = false;
		points++;
	}

	private void drawPolygon(Color color, List<Point> list, int width) {

		double[] xArg = list.stream().mapToDouble(x -> x.getX()).toArray();
		double[] yArg = list.stream().mapToDouble(y -> y.getY()).toArray();
		gc.setLineWidth(gc.getLineWidth());
		gc.setStroke(color);
		gc.setLineWidth(width);
		gc.strokePolygon(xArg, yArg, xArg.length);
		painted = true;
		points = 0;
	}