Jimmy Chandler has been working with clients and colleagues to create Web sites and applications with great user experiences for over 13 years. Active in the Washington, DC area UX community, Jimmy is a frequent attendee, volunteer, organizer, and speaker for Accessibility DC, IXDA DC, and other UX-related events.
I have a problem that need some help. I have a design where items selected from a middle panel and moved to a "shopping cart" on the right. There are categories that must be selected from in the middle panel that are required, and the categories are marked as "Make a selection" in the shopping cart. OK - that's the easy part.
The problem is the dependencies in the required items. So it might be a list like this: