Jeremy Hooper's investigative work suggests that is the case. He has compiled Hayne's political donation record:

Update: Look, I don't care if Haynes gave money to Republican candidates. As an American that is his right, and I applaud him for taking part in our nation's political discourse. However, if he gave money to Yes on 8 then his employees and his customers, large majorities of which are liberal, gay, and/or pro-gay, have every right to call him on his shit and to boycott his stores.