Make the text center of its frame (above, below, left, right) in Photoshop

i have search all the web but nothing change. They usually show text center in picture not its frame. The frame of text i use to with other layer. Like my demo.

http://ift.tt/1yGIfXq

I would make the text center of its frame both horizontal and vertical. So how can i do it?

Thanks for your help.