How to use gwt calendar in vaadin 7

How to use gwt calendar in vaadin layout?

JalaliDatePicker dp=new JalaliDatePicker();
JalaliDateBox jalaliDateBox=new JalaliDateBox();

source code

How to use in vaadin?

Hi, you have to implement server side classes for it. See instructions from
If you do not have possibility to do it by yourself, we have commericial support by which we can assign the task to one of our experts who will do the job:

vaadin is very hard to integrate with another frameworks
I shoud do this and i can!
I want to create farsi calendar plugin for vaadin!
i don’t any mony …