Dear sirs: if i have 4 sortables lists. A,B,C,D. such as : ----source---------------------------- ----TO-------- | ----A---- ----B---- ----C---- | | ---D--- | | ---------- ---------- ---------- | | | | ---------- ---------- ---------- | | | | ---------- ---------- | | | ----------------------------------------- ----------------- Those items olny can be moved A->D,B->D,C-D, and can not be moved : D->A,D->B,D->C, and A->B,B->C also can not be moved. how can i write it? Or i should use other Objects? thank you. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Spinoffs" group. To post to this group, send email to rubyonrails-spinoffs-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-spinoffs-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-spinoffs?hl=en -~----------~----~----~----~------~----~------~--~---