Custom Field

I wanted your help to make a custom Field Type'm studying it at the time and I'm not getting. I'll put it to you here the code I've done so far. I hope your help.

http://pastebin.com/81Lq86Xn Field

http://pastebin.com/CvATavnd Widget

http://pastebin.com/2tNcKtgf    Form

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