Book of Vaadin http://vaadin.com/book http://vaadin.com/book has a whole chapter on this. Also the Vaadin Eclipse Plugin makes getting started with adding new w

Book of Vaadin http://vaadin.com/book http://vaadin.com/book has a whole chapter on this. Also the Vaadin Eclipse Plugin makes getting started with adding new widgets trivial (just "Add New Widget" and it creates a widget stub for you)