Diario Sport has a more detailed report -
http://www.sport.es/es/noticias/acb/...domino-2050144
From the looks of it, a final contract has not yet been etched between Lorbek and Barca. It seems that Lorbek is predisposed to join the club (pending something that is not said) and they seem to have had "initial discussions about contract" and some kind of agreement about fees etc.
My gut feeling is that Lorbek is waiting to hear from the Spurs till July 11 and will then take a final call on what he needs to do. He must have told Barca that he is keen on coming back as things stand, but will have to take the final plunge after hearing the Spurs offer. And I think the Spurs must have told him to kindly hold till July 11th as they sort their other free agent options out.
From what we know - the Danny Green signing and other optimistic measures regarding Diaw and Mills - that seems the most likely scenario as of now.