The auto-complete list of the Netvibes Widget files is the same as that of the HTML files.
The auto-complete list inside JavaScript tags is the composition of the JavaScript auto-complete list and Netvibes snippets:
JSON request snippet
Flash object snippet
Pager Control snippet
Tabview Control snippet
Thumbnailed List snippet
eXo IDE supports auto-complete for Netvibes Universal Widget.
It is possible to auto-complete the created Netvibes object's properties and methods.
You can get more details about this snippet and code that will be inserted via the hint window of the Auto-complete form.