Fwd: More on Fluid's approach to keyboard bindings
Paul.Zablosky at ubc.ca
Sat Jan 24 00:12:12 UTC 2009
I did make an attempt to identify the behaviour of common keystrokes
across the Fluid components, and summarize the results in a table. I
soon found that this is difficult to do -- many of the key controls are
modal, and can't be shoehorned into a 2-dimensional table. ( You really
need a dimension for each mode.) The result is at
http://wiki.fluidproject.org/x/TJY7 -- which also refers to the DHTML
Style Guide <http://dev.aol.com/dhtml_style_guide>. The DHTML Style
Guide uses a simple linear list with hierarchies, which may be the best
way to represent the behaviours, but isn't really good for comparison
across components -- or their widgets for that matter. I never did come
up with a presentation format that really does the job.
Allison Bloodworth wrote:
> Hi Paul,
> A few of us were recently discussing how to determine the proper
> (default) key command to use for a particular interaction (e.g. moving
> around in the date picker). This came up with Erin & I again when we
> talked today with Mike Elledge about date picker accessibility. Daphne
> reminded us that she thought you may have started working on a summary
> document about this a while ago, but I couldn't find it on the wiki.
> Is that out there somewhere that we could reference? I think something
> like that (or even just a document summarizing our thinking if we
> aren't making concrete recommendations for particular keys) would be a
> great thing to put in the UX Toolkit.
> Trying to make sense of the various resources I've found...
> I'm wondering if we should just be following the guidelines in the D
> Group's document: http://dev.aol.com/dhtml_style_guide
> I think there's also a bit of info on this topic
> here: http://www.w3.org/WAI/PF/aria-practices/#aria_ex
> This possibly (tangentially?) related document was in an email Eli
> sent out to fluid-work last month: http://unixpapa.com/js/key.html
> And below is an email that Colin sent out about the Fluid approach to
> keyboard bindings a while back.
> Any advice other folks have for us on how to handle this would be very
> Begin forwarded message:
>> *From: *Colin Clark <colin.clark at utoronto.ca
>> <mailto:colin.clark at utoronto.ca>>
>> *Date: *March 20, 2008 2:45:54 PM PDT
>> *To: *fluid-work <fluid-work at fluidproject.org
>> <mailto:fluid-work at fluidproject.org>>
>> *Subject: **More on Fluid's approach to keyboard bindings*
>> Hi all,
>> I have received a couple of questions off-list about how Fluid is
>> handling keyboard mappings for our components, and thought I'd try to
>> clarify our approach in the Reorderer and underlying framework.
>> Recently, Anastasia, Joseph, and Jonathan have been doing a lot of
>> testing and analysis to come up with some good, screen reader-friendly
>> default keyboard shortcuts for selecting and moving items with the
>> Reorderer. We think really good defaults are important, but we also
>> want to enable customizability. The Reorderer will support more than
>> one keyboard mapping, and will allow alternatives to be inje ration
>> time or dynamically in by a preferences editor.
>> Michelle and I are currently sketching out some Fluid framework code
>> that will provide a simple API for components to support customizable
>> keyboard mappings. This will prevent developers from having to
>> hardcode assumptions about keyboard controls, making components more
>> future-proof and interoperable. This approach is in line with our
>> general philosophy of allowing flexibility and customization for
>> different contexts and user needs.
>> With the help of Mike Elledge and Amy Chen at Oracle, we're also going
>> to do some quick, targeted user research to learn more about how users
>> of screen readers tend to accomplish tasks that are otherwise done
>> using mouse-based drag and drop. This will help us to continue to
>> refine our designs based on real feedback from users.
>> Colin Clark
>> Technical Lead, Fluid nology Resource Centre, University of Toronto
>> fluid-work mailing list
>> fluid-work at fluidproject.org
> Allison Bloodworth
> Senior User Interaction Designer
> Educational Technolog ersity of California, Berkeley
> (415) 377-8243
> abloodworth at berkeley.edu <mailto:abloodworth at berkeley.edu>
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