RangeDateField extends standard Vaadin DateField and allows you to restrict date selection to a specific set of dates. You can also set custom CSS styles to specific dates this way customizing the Look&Feel of the calendar. Date selection can be restricted in the following way: 1) by providing valid from or valid to date (or both); 2) by specifying that weekends should be excluded; 3) by configuring a specific list of days that should be disabled;