Eclipse plugin - Editor associated to file extension and perspective

Question

I\'m developing tow eclipse plugin, I have the next problem:

I have two perspective that manages the same files. I would like to make an association between file ext

Answer 1

I would recommend to rethink your approach, and take some cues from WindowBuilder: have one editor associated with the file type which opens a tabbed editor; if a second plugin is added, have it create a separate tab on the same editor.