s.setDescription("Using strings as data");
s.setValue(data4);
mainWindow.addComponent(s);
HorizontalLayout hl = new HorizontalLayout();
mainWindow.addComponent(hl);
((VerticalLayout) mainWindow.getContent()).setExpandRatio(hl, 1);
((VerticalLayout) mainWindow.getContent()).setComponentAlignment(hl,
Alignment.MIDDLE_LEFT);
final Sparklines s2 = new Sparklines("Random", 200, 70, 0, 200) {