[IxDA Discuss] select exact number widget?

[Mona Singh]

It would be better to prevent the user from selecting more than the
limit. Way too many extra steps here.

-----Original Message-----
From: discuss-bounces at lists.interactiondesigners.com
[mailto:discuss-bounces at lists.interactiondesigners.com] On Behalf Of
Mark Schraad
Sent: Friday, January 05, 2007 7:17 PM
To: Victor Lombardi
Cc: discuss at lists.interactiondesigners.com
Subject: Re: [IxDA Discuss] select exact number widget?

We have implemented a solutions that, as the first "over the limit"  
box is checked, we display a dhtm layer with a message (which would  
you like to deselect) and the selected choices shown. It anything but  
elegant... but it works as a stop gap.


On Jan 5, 2007, at 1:56 PM, Victor Lombardi wrote:

>
> 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
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