Cannot find button "Show Selected Element only" Eclipse Java EE

eclipse, java

Solution

Customize perspective:

- Click Window » Customize Perspective...

- Expand Editor representation

- Click Show source of selected element only

Problem

I've looked over Eclipse many many times, and cannot find this button! I had to use this and deal with this problem for 2 weeks now; it's getting really really annoying having to re-open the file cause i wanted to find the declaration line. Please please please help. Here's a picture: (large version)

Original source