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Re: How to Generate an Automatically Accessible ARIA Tree Control From an XML File
From: Bryan Garaventa
Date: Sep 27, 2011 8:33AM
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Thanks for the info. :) Sighted mouse usage isn't one of my strong points.
All of the child subfolder objects are automatically rendered by the AccDC
API, which includes an automatic framework to ensure accessibility; This is
rendered using nested divs. So it wouldn't be necessary if you were
replicating a static tree with predetermined nodes.
The nested div containing the label within the li tag is necessary though,
since this is what receives focus. If you put all of the event handlers on
the li tags, propagation when nested lists are present as subfolders causes
multiple firing of unrelated events. I wasn't able to get this working even
when using stopPropagation() and cancelBubble.
----- Original Message -----
From: "GILLENWATER, ZOE M" < <EMAIL REMOVED> >
To: "WebAIM Discussion List" < <EMAIL REMOVED> >
Sent: Tuesday, September 27, 2011 7:07 AM
Subject: Re: [WebAIM] How to Generate an Automatically Accessible ARIA Tree
Control From an XML File
Bryan,
This is a great idea and very cool demo. Just a couple points:
-- I only have to click once on a tree item to expand/collapse it, not twice
as your notes seem to indicate. But frankly I think that's a good thing. I
suspect a single click is what most users will expect, and I don't see
anything in the W3C guidelines
(http://www.w3.org/TR/wai-aria-practices/#TreeView) that dictates
double-click (though most ARIA tree demos do seem to use double-click for
some reason).
-- There are a lot of nested divs within the lists. Are these required in
order to make it automated? It would be nice if you could apply the ARIA
attributes to the <li> elements directly instead of nesting divs.
Excellent work!
Zoe
Zoe Gillenwater
Technical Architect, Design Standards Accessibility
Creative Experience Team
AT&T eCommerce
o: 919-241-4083
e: <EMAIL REMOVED>
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