I want to open a file in Vim like in Eclipse using Ctrl + Shift + R, or via the Ctrl + N option of autofill. Invoke a
This isn't exactly what you're looking for, but it's good in many cases (though not all).
If you VIM open and there's a name of a file in the buffer, you can put the cursor on that filename and type gf. This opens the file whose name is under the cursor in the same buffer. It's the same as
:e CTRL+r CTRL+w