How to dynamically manage the properties of an editpart in GEF?

The problem is as follows:
I have a device (assume that it will be anything), and it has several
types. Each one has a lot of attributes, but totally different. So I
designed a super class Device, and several subclasses for each type. I
designed an EditPart for the Device class. In the graphical viewers,
when the user changed the type of the device, it'll display all its
attributes according to the device's type in the
property*** and let users to edit them. Can I implement this in GEF
or would you like to give me some suggestions?
Thank you in advance!

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