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

Question

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)

Answer 1

Customize perspective:

1. Click Window » Customize Perspective...
2. Expand Editor representation
3. Click Show source of selected element only