enable disable ui action

[ayubalfresco]

I want to create enable disable kind of ui action which invoke java based webscript. could some one suggest how to show (enable) and hide (disable) and do vise versa effect ?

[jpotts]

You can use an evaluator to show/hide UI actions, see http://ecmarchitect.com/alfresco-developer-series-tutorials/actions/tutorial/tutorial.html.

Jeff