code: private static VerticalLayout createFullSizeVerticalLayout(final boolean margin, final boolean spacing) {
  		final VerticalLayout layout = new VerticalLayout();
  		layout.setMargin(margin);
  		layout.setSpacing(spacing);
  		layout.setWidth(100, Unit.PERCENTAGE);
  		layout.setHeight(100, Unit.PERCENTAGE);
  		return layout;
  	}
docs: Creates the full size vertical layout.
  
  @param margin
  the margin
  @param spacing
  the spacing
  @return the vertical layout