[IxDA Discuss] select exact number widget?

[Esteban Barahona]

2007/1/5, Victor Lombardi <victor at victorlombardi.com>:
>
>
> Has anyone seen effective UI widgets for selecting an exact number of
> choices greater than 1? Radio buttons do this for 1, but it seems we have
> no standard for "Select two and only two choices."
>
> writeboard.com does this for comparing two versions of a document you'd
> like to compare. They use check boxes, and if a third choice is made the
> UI unselects the other two.
>
> Conceptually, an option I'm considering is like selecting two apples from
> a pile of apples at the market, as you select them they are moved away
> from the group. So the shopper understands you can only pick two, the
> apples are moved into an area just big enough for two apples. This
> approach requires a way to unselect as well; with checkboxes that's
> already familiar.
>
> Thanks,
> Victor


Why not use plain-old checkboxes with a clearly stated/written max number of
selections?




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