How to use GWT 2.1 Data Presentation Widgets

Question

At the 2010 Google IO it was announced that GWT 2.1 would include new Data Presentation Widgets. 2.1M is available for download, and presumably the widgets are included, but

Answer 1

You may want to take a look at Spring Roo project. Spring Roo in general is used to scaffold Java applications. In the newest version 1.1 it can also scaffold GWT applications (using many GWT 2.1 features).

It can generate a lot of GWT 2.1 code for you and then you can see how everything works together. The information about Spring Roo is also given in GWT 2.1 release notes and the tool was presented in Google I/O Keynote (it is really interesting, the video can be found here).

Edit:

There is even a complete example of GWT 2.1 application (Expenses application) in Spring Roo. To generate this application you only need to install Roo 1.1 and then execute this in roo console:

script -f samples/expenses.roo