Re: Multiple Select Widget

> 3.  on click a second combo box with the same options
>(minus any already selected) appears

Keeping the previously selected items it the list (but greyed out) may be
less confusing to users.

Do you plan to enable users to remove an item from the list without having
to start over?

--Harvey


On Fri, Oct 16, 2009 at 2:55 PM, Ryan <[email protected]> wrote:

> Thanks. These are good solutions.
>
> I was considering having a:
>
>
>  1.  combo box with the full set of options
>  2.  a link that says "select more than one"
>  3.  on click a second combo box with the same options (minus any already
> selected) appears
>
> Ryan
>
>
> On 10/16/09 5:17 PM, "Jaime Guerrero" <[email protected]> wrote:
>
> On Oct 16, 2009, at 1:21pm, Ryan wrote:
>
> > Wondering what the best practice is for a multiple selection
> > situation on a
> > web page outside of using a modifying keyboard key (Control or
> > Command) with a
> > html list control. Multiple checkboxes work until you have a long
> > list of
> > options.
>
> (1) many times such tasks are better supported with the "Add/Remove"
> idiom (two side-by-side lists, with arrows to move each lists'
> selection to the other list)*.  Add/Remove can sometimes be
> advantageous because the real selection is more persistent and less
> fragile than typical widget selections-- for example, in multiselect
> List Boxes, a single accidental click can clobber a carefully
> assembled multiple selection.
>
> *
>
> http://developers.sun.com/docs/web-app-guidelines/uispec4_1/08-complex.html#8
> .2
>
>
> (2) many times such tasks are better supported with a "Shopping Cart"
> idiom (pick items from a list and put them into a cart).  Shopping
> Carts similarly have the advantage of a relatively persistent selection.
>
> Shopping Carts work well when your lists are so large as to require
> other navigational machinery such as Browsing, Search, Filters,
> Sorting, etc. for the user to easily and successfully find the items s/
> he needs to select.
>
>
> Some tasks are faster and more reliably done by selecting-all (or
> selecting many) and then selectively REMOVING items from the
> selection.  Consider that.
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