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Number of posts in this thread: 7 (In chronological order)

From: Bryan Garaventa
Date: Sun, Nov 06 2011 12:09PM
Subject: How to make a sortable listbox using aria-grabbed and other ARIA attributes
No previous message | Next message →

Hi,
I wanted to explore aria-grabbed in the context of a practical application, so came up with this.

The ARIA Sortable Listbox Module dynamically converts standard list markup into a keyboard accessible sortable listbox control.
Demo: http://whatsock.com/modules/aria_sortable_listbox_module/demo.htm

In addition to aria-grabbed, various other ARIA attributes are used, including role=dialog, role=listbox, role=option (plus associated listbox attributes), and unobtrusive status messages to provide additional feedback.

Hopefully this helps with the research of ARIA-based implementations.

Instructions:
. Press Enter on the edit field or activate the Add button to add a new list item;
Activate Clear to empty the list, or activate Sort to toggle sortability of the list.
. Using the mouse, click a list item to make a selection,
then click any other list item to move the selected item to that location.
. Using the keyboard, use the Up/Down/Home/End keys to navigate listed items.
. Press the Spacebar to grab the selected item for moving;
Press the Spacebar again after navigating to another location to move the grabbed item.
. Press Delete on a selected item to remove it from the list.
. Press Escape to cancel a previous grab action;
Press Escape again or press Enter to close the listbox and disable sortability.

All the best,
Bryan

From: Kevin Chao
Date: Sun, Nov 06 2011 2:48PM
Subject: Re: How to make a sortable listbox using aria-grabbed and other ARIA attributes
← Previous message | Next message →

Thanks Brian for creating this ARIA Sortable Listbox Module Demo.
Unfortunately, it doesn't seem to be working properly. It's not
possible to add, navigate through listed item, select an item to grab,
or drop. I've attempted this using the various methods outlined in the
instructions.

Windows 7 x86
Firefox 10.0a1 (2011-11-06) Nightly
Chrome 17.0.931.0 canary
NVDA 2011.3-4762 Snapshot

http://whatsock.com/modules/aria_sortable_listbox_module/demo.htm
CTRL+HOME to go to top of page, E for edit field, ENTER to switch to focus mode;
DOWN, UP, HOME, or END
Expected: navigate through listed item by one item or to go to top or
bottom of listed item
Actual: Nothing at all, NVDA reports "blank"

TAB to "add button, add item to list" and ENTER or SPACE
Expected: some message or focus change, which will allow adding item to list
Actual: nothing at all

TAB several times to listed items, DOWN ARROW through items, and
SPACEBAR on items that you want to grab
Expected:When arrowing, some message alerting NVDA that it's possible
to grab, when SPACEBAR is pressed, a message indicating that item was
grabbed
Actual: Nothing at all, silence

ESC to swithc to browse mode, SHIFT+E to move back to edit field
Expected: These are a few of my favorite things:, multiline edit
field, grabbed items to be in edit field
Actual: These are a few of my favorite things: , multiline edit field,
and its empty

Next/previous heading/ARIA-Landmark
Expected: different sections, one to drop the selected items
Actual: There are no other sections/area to drop item(s)

Kevin

On 11/6/11, Bryan Garaventa < = EMAIL ADDRESS REMOVED = > wrote:
> Hi,
> I wanted to explore aria-grabbed in the context of a practical application,
> so came up with this.
>
> The ARIA Sortable Listbox Module dynamically converts standard list markup
> into a keyboard accessible sortable listbox control.
> Demo: http://whatsock.com/modules/aria_sortable_listbox_module/demo.htm
>
> In addition to aria-grabbed, various other ARIA attributes are used,
> including role=dialog, role=listbox, role=option (plus associated listbox
> attributes), and unobtrusive status messages to provide additional feedback.
>
> Hopefully this helps with the research of ARIA-based implementations.
>
> Instructions:
> . Press Enter on the edit field or activate the Add button to add a new list
> item;
> Activate Clear to empty the list, or activate Sort to toggle sortability of
> the list.
> . Using the mouse, click a list item to make a selection,
> then click any other list item to move the selected item to that location.
> . Using the keyboard, use the Up/Down/Home/End keys to navigate listed
> items.
> . Press the Spacebar to grab the selected item for moving;
> Press the Spacebar again after navigating to another location to move the
> grabbed item.
> . Press Delete on a selected item to remove it from the list.
> . Press Escape to cancel a previous grab action;
> Press Escape again or press Enter to close the listbox and disable
> sortability.
>
> All the best,
> Bryan
>

From: Bryan Garaventa
Date: Sun, Nov 06 2011 3:12PM
Subject: Re: How to make a sortable listbox using aria-grabbed and other ARIA attributes
← Previous message | Next message →

Did you press the Sort button first?

If you don't, it's just a standard list such as:
<ol>
<li>
<span> ... </span>
</li>
</ol>

The sort functionality has to be initiated before you can use it, which is
why the Sort button is a toggle. When off, all ARIA functionality is removed
to avoid accidental editing.

I just tried this using IE8 with JAWS12/13 and NVDA2011.2 and Firefox with
JAWS12-13 and NVDA2011.2 and everything works fine, though JAWS works best
in IE and NVDA works best in Firefox.

Adding an item when Sort is active will automatically disable sort, so you
have to press the Sort button again at that point. When Sort is pressed,
focus will automatically be moved to the first list item.



----- Original Message -----
From: "Kevin Chao" < = EMAIL ADDRESS REMOVED = >
To: "WebAIM Discussion List" < = EMAIL ADDRESS REMOVED = >
Sent: Sunday, November 06, 2011 1:50 PM
Subject: Re: [WebAIM] How to make a sortable listbox using aria-grabbed and
other ARIA attributes


> Thanks Brian for creating this ARIA Sortable Listbox Module Demo.
> Unfortunately, it doesn't seem to be working properly. It's not
> possible to add, navigate through listed item, select an item to grab,
> or drop. I've attempted this using the various methods outlined in the
> instructions.
>
> Windows 7 x86
> Firefox 10.0a1 (2011-11-06) Nightly
> Chrome 17.0.931.0 canary
> NVDA 2011.3-4762 Snapshot
>
> http://whatsock.com/modules/aria_sortable_listbox_module/demo.htm
> CTRL+HOME to go to top of page, E for edit field, ENTER to switch to focus
> mode;
> DOWN, UP, HOME, or END
> Expected: navigate through listed item by one item or to go to top or
> bottom of listed item
> Actual: Nothing at all, NVDA reports "blank"
>
> TAB to "add button, add item to list" and ENTER or SPACE
> Expected: some message or focus change, which will allow adding item to
> list
> Actual: nothing at all
>
> TAB several times to listed items, DOWN ARROW through items, and
> SPACEBAR on items that you want to grab
> Expected:When arrowing, some message alerting NVDA that it's possible
> to grab, when SPACEBAR is pressed, a message indicating that item was
> grabbed
> Actual: Nothing at all, silence
>
> ESC to swithc to browse mode, SHIFT+E to move back to edit field
> Expected: These are a few of my favorite things:, multiline edit
> field, grabbed items to be in edit field
> Actual: These are a few of my favorite things: , multiline edit field,
> and its empty
>
> Next/previous heading/ARIA-Landmark
> Expected: different sections, one to drop the selected items
> Actual: There are no other sections/area to drop item(s)
>
> Kevin
>
> On 11/6/11, Bryan Garaventa < = EMAIL ADDRESS REMOVED = > wrote:
>> Hi,
>> I wanted to explore aria-grabbed in the context of a practical
>> application,
>> so came up with this.
>>
>> The ARIA Sortable Listbox Module dynamically converts standard list
>> markup
>> into a keyboard accessible sortable listbox control.
>> Demo: http://whatsock.com/modules/aria_sortable_listbox_module/demo.htm
>>
>> In addition to aria-grabbed, various other ARIA attributes are used,
>> including role=dialog, role=listbox, role=option (plus associated listbox
>> attributes), and unobtrusive status messages to provide additional
>> feedback.
>>
>> Hopefully this helps with the research of ARIA-based implementations.
>>
>> Instructions:
>> . Press Enter on the edit field or activate the Add button to add a new
>> list
>> item;
>> Activate Clear to empty the list, or activate Sort to toggle sortability
>> of
>> the list.
>> . Using the mouse, click a list item to make a selection,
>> then click any other list item to move the selected item to that
>> location.
>> . Using the keyboard, use the Up/Down/Home/End keys to navigate listed
>> items.
>> . Press the Spacebar to grab the selected item for moving;
>> Press the Spacebar again after navigating to another location to move the
>> grabbed item.
>> . Press Delete on a selected item to remove it from the list.
>> . Press Escape to cancel a previous grab action;
>> Press Escape again or press Enter to close the listbox and disable
>> sortability.
>>
>> All the best,
>> Bryan
>>

From: Kevin Chao
Date: Sun, Nov 06 2011 3:39PM
Subject: Re: How to make a sortable listbox using aria-grabbed and other ARIA attributes
← Previous message | Next message →

Ok. I've retested with the sort button activated and it's working in
Firefox+NVDA exceptionally well and Chrome+NVDA to a great degree.

A few things, which are missing from the Chrome experience, which I'm
thinking it's a Google issue, but want confirmation, and the technical
information to provide in a bug report.
* When selecting sort button and activating it, Chrome+NVDA will
switch to focus mode, but Firefox+NVDA will not.
* ARROWING through listed items, Chrome+NVDA will speak item+selected,
while Firefox+NVDA will speak number+item+draggable+index
* When dropping/moving an item, Chrome+NVDA will speak grabbed item
moved and Firefox+NVDA will speak draggable+done
dragging+number+item+moved

Kevin

On 11/6/11, Bryan Garaventa < = EMAIL ADDRESS REMOVED = > wrote:
> Did you press the Sort button first?
>
> If you don't, it's just a standard list such as:
> <ol>
> <li>
> <span> ... </span>
> </li>
> </ol>
>
> The sort functionality has to be initiated before you can use it, which is
> why the Sort button is a toggle. When off, all ARIA functionality is removed
> to avoid accidental editing.
>
> I just tried this using IE8 with JAWS12/13 and NVDA2011.2 and Firefox with
> JAWS12-13 and NVDA2011.2 and everything works fine, though JAWS works best
> in IE and NVDA works best in Firefox.
>
> Adding an item when Sort is active will automatically disable sort, so you
> have to press the Sort button again at that point. When Sort is pressed,
> focus will automatically be moved to the first list item.
>
>
>
> ----- Original Message -----
> From: "Kevin Chao" < = EMAIL ADDRESS REMOVED = >
> To: "WebAIM Discussion List" < = EMAIL ADDRESS REMOVED = >
> Sent: Sunday, November 06, 2011 1:50 PM
> Subject: Re: [WebAIM] How to make a sortable listbox using aria-grabbed and
> other ARIA attributes
>
>
>> Thanks Brian for creating this ARIA Sortable Listbox Module Demo.
>> Unfortunately, it doesn't seem to be working properly. It's not
>> possible to add, navigate through listed item, select an item to grab,
>> or drop. I've attempted this using the various methods outlined in the
>> instructions.
>>
>> Windows 7 x86
>> Firefox 10.0a1 (2011-11-06) Nightly
>> Chrome 17.0.931.0 canary
>> NVDA 2011.3-4762 Snapshot
>>
>> http://whatsock.com/modules/aria_sortable_listbox_module/demo.htm
>> CTRL+HOME to go to top of page, E for edit field, ENTER to switch to focus
>>
>> mode;
>> DOWN, UP, HOME, or END
>> Expected: navigate through listed item by one item or to go to top or
>> bottom of listed item
>> Actual: Nothing at all, NVDA reports "blank"
>>
>> TAB to "add button, add item to list" and ENTER or SPACE
>> Expected: some message or focus change, which will allow adding item to
>> list
>> Actual: nothing at all
>>
>> TAB several times to listed items, DOWN ARROW through items, and
>> SPACEBAR on items that you want to grab
>> Expected:When arrowing, some message alerting NVDA that it's possible
>> to grab, when SPACEBAR is pressed, a message indicating that item was
>> grabbed
>> Actual: Nothing at all, silence
>>
>> ESC to swithc to browse mode, SHIFT+E to move back to edit field
>> Expected: These are a few of my favorite things:, multiline edit
>> field, grabbed items to be in edit field
>> Actual: These are a few of my favorite things: , multiline edit field,
>> and its empty
>>
>> Next/previous heading/ARIA-Landmark
>> Expected: different sections, one to drop the selected items
>> Actual: There are no other sections/area to drop item(s)
>>
>> Kevin
>>
>> On 11/6/11, Bryan Garaventa < = EMAIL ADDRESS REMOVED = > wrote:
>>> Hi,
>>> I wanted to explore aria-grabbed in the context of a practical
>>> application,
>>> so came up with this.
>>>
>>> The ARIA Sortable Listbox Module dynamically converts standard list
>>> markup
>>> into a keyboard accessible sortable listbox control.
>>> Demo: http://whatsock.com/modules/aria_sortable_listbox_module/demo.htm
>>>
>>> In addition to aria-grabbed, various other ARIA attributes are used,
>>> including role=dialog, role=listbox, role=option (plus associated listbox
>>> attributes), and unobtrusive status messages to provide additional
>>> feedback.
>>>
>>> Hopefully this helps with the research of ARIA-based implementations.
>>>
>>> Instructions:
>>> . Press Enter on the edit field or activate the Add button to add a new
>>> list
>>> item;
>>> Activate Clear to empty the list, or activate Sort to toggle sortability
>>> of
>>> the list.
>>> . Using the mouse, click a list item to make a selection,
>>> then click any other list item to move the selected item to that
>>> location.
>>> . Using the keyboard, use the Up/Down/Home/End keys to navigate listed
>>> items.
>>> . Press the Spacebar to grab the selected item for moving;
>>> Press the Spacebar again after navigating to another location to move the
>>> grabbed item.
>>> . Press Delete on a selected item to remove it from the list.
>>> . Press Escape to cancel a previous grab action;
>>> Press Escape again or press Enter to close the listbox and disable
>>> sortability.
>>>
>>> All the best,
>>> Bryan
>>>

From: Bryan Garaventa
Date: Sun, Nov 06 2011 6:33PM
Subject: Re: How to make a sortable listbox using aria-grabbed and other ARIA attributes
← Previous message | Next message →

The differences you describe between FF and Chrome when using NVDA sound
more like NVDA's responsibility rather than that of Google's, in the same
way that JAWS doesn't work well when using Chrome is the responsibility of
FS to implement this support. Since all browsers provide diferent APIs for
accessing the DOM, it's not surprising that there are differences. It's good
that all parties communicate to resolve issues though, which will
significantly speed up the process.

----- Original Message -----
From: "Kevin Chao" < = EMAIL ADDRESS REMOVED = >
To: "WebAIM Discussion List" < = EMAIL ADDRESS REMOVED = >
Sent: Sunday, November 06, 2011 2:38 PM
Subject: Re: [WebAIM] How to make a sortable listbox using aria-grabbed and
other ARIA attributes


> Ok. I've retested with the sort button activated and it's working in
> Firefox+NVDA exceptionally well and Chrome+NVDA to a great degree.
>
> A few things, which are missing from the Chrome experience, which I'm
> thinking it's a Google issue, but want confirmation, and the technical
> information to provide in a bug report.
> * When selecting sort button and activating it, Chrome+NVDA will
> switch to focus mode, but Firefox+NVDA will not.
> * ARROWING through listed items, Chrome+NVDA will speak item+selected,
> while Firefox+NVDA will speak number+item+draggable+index
> * When dropping/moving an item, Chrome+NVDA will speak grabbed item
> moved and Firefox+NVDA will speak draggable+done
> dragging+number+item+moved
>
> Kevin
>
> On 11/6/11, Bryan Garaventa < = EMAIL ADDRESS REMOVED = > wrote:
>> Did you press the Sort button first?
>>
>> If you don't, it's just a standard list such as:
>> <ol>
>> <li>
>> <span> ... </span>
>> </li>
>> </ol>
>>
>> The sort functionality has to be initiated before you can use it, which
>> is
>> why the Sort button is a toggle. When off, all ARIA functionality is
>> removed
>> to avoid accidental editing.
>>
>> I just tried this using IE8 with JAWS12/13 and NVDA2011.2 and Firefox
>> with
>> JAWS12-13 and NVDA2011.2 and everything works fine, though JAWS works
>> best
>> in IE and NVDA works best in Firefox.
>>
>> Adding an item when Sort is active will automatically disable sort, so
>> you
>> have to press the Sort button again at that point. When Sort is pressed,
>> focus will automatically be moved to the first list item.
>>
>>
>>
>> ----- Original Message -----
>> From: "Kevin Chao" < = EMAIL ADDRESS REMOVED = >
>> To: "WebAIM Discussion List" < = EMAIL ADDRESS REMOVED = >
>> Sent: Sunday, November 06, 2011 1:50 PM
>> Subject: Re: [WebAIM] How to make a sortable listbox using aria-grabbed
>> and
>> other ARIA attributes
>>
>>
>>> Thanks Brian for creating this ARIA Sortable Listbox Module Demo.
>>> Unfortunately, it doesn't seem to be working properly. It's not
>>> possible to add, navigate through listed item, select an item to grab,
>>> or drop. I've attempted this using the various methods outlined in the
>>> instructions.
>>>
>>> Windows 7 x86
>>> Firefox 10.0a1 (2011-11-06) Nightly
>>> Chrome 17.0.931.0 canary
>>> NVDA 2011.3-4762 Snapshot
>>>
>>> http://whatsock.com/modules/aria_sortable_listbox_module/demo.htm
>>> CTRL+HOME to go to top of page, E for edit field, ENTER to switch to
>>> focus
>>>
>>> mode;
>>> DOWN, UP, HOME, or END
>>> Expected: navigate through listed item by one item or to go to top or
>>> bottom of listed item
>>> Actual: Nothing at all, NVDA reports "blank"
>>>
>>> TAB to "add button, add item to list" and ENTER or SPACE
>>> Expected: some message or focus change, which will allow adding item to
>>> list
>>> Actual: nothing at all
>>>
>>> TAB several times to listed items, DOWN ARROW through items, and
>>> SPACEBAR on items that you want to grab
>>> Expected:When arrowing, some message alerting NVDA that it's possible
>>> to grab, when SPACEBAR is pressed, a message indicating that item was
>>> grabbed
>>> Actual: Nothing at all, silence
>>>
>>> ESC to swithc to browse mode, SHIFT+E to move back to edit field
>>> Expected: These are a few of my favorite things:, multiline edit
>>> field, grabbed items to be in edit field
>>> Actual: These are a few of my favorite things: , multiline edit field,
>>> and its empty
>>>
>>> Next/previous heading/ARIA-Landmark
>>> Expected: different sections, one to drop the selected items
>>> Actual: There are no other sections/area to drop item(s)
>>>
>>> Kevin
>>>
>>> On 11/6/11, Bryan Garaventa < = EMAIL ADDRESS REMOVED = > wrote:
>>>> Hi,
>>>> I wanted to explore aria-grabbed in the context of a practical
>>>> application,
>>>> so came up with this.
>>>>
>>>> The ARIA Sortable Listbox Module dynamically converts standard list
>>>> markup
>>>> into a keyboard accessible sortable listbox control.
>>>> Demo: http://whatsock.com/modules/aria_sortable_listbox_module/demo.htm
>>>>
>>>> In addition to aria-grabbed, various other ARIA attributes are used,
>>>> including role=dialog, role=listbox, role=option (plus associated
>>>> listbox
>>>> attributes), and unobtrusive status messages to provide additional
>>>> feedback.
>>>>
>>>> Hopefully this helps with the research of ARIA-based implementations.
>>>>
>>>> Instructions:
>>>> . Press Enter on the edit field or activate the Add button to add a new
>>>> list
>>>> item;
>>>> Activate Clear to empty the list, or activate Sort to toggle
>>>> sortability
>>>> of
>>>> the list.
>>>> . Using the mouse, click a list item to make a selection,
>>>> then click any other list item to move the selected item to that
>>>> location.
>>>> . Using the keyboard, use the Up/Down/Home/End keys to navigate listed
>>>> items.
>>>> . Press the Spacebar to grab the selected item for moving;
>>>> Press the Spacebar again after navigating to another location to move
>>>> the
>>>> grabbed item.
>>>> . Press Delete on a selected item to remove it from the list.
>>>> . Press Escape to cancel a previous grab action;
>>>> Press Escape again or press Enter to close the listbox and disable
>>>> sortability.
>>>>
>>>> All the best,
>>>> Bryan
>>>>

From: Lucy Greco
Date: Mon, Nov 07 2011 1:00PM
Subject: Re: How to make a sortable list box using aria-grabbed and other ARIA attributes
← Previous message | Next message →

Hello:
Sorry I think you lost me on this one.
So I followed the instructions as much as I understood them. . I hit enter on the edit field then I clicked add to list then I went to the items and clicked space on a few of the items. But nothing seemed to happen. And you lose me after this I don't get what should happen and if I even did it write.

Lucy Greco
Assistive Technology Specialist
Disabled Student's Program UC Berkeley
(510) 643-7591
http://attlc.berkeley.edu
http://webaccess.berkeley.edu

-----Original Message-----
From: = EMAIL ADDRESS REMOVED = [mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of Bryan Garaventa
Sent: Sunday, November 06, 2011 11:10 AM
To: WebAIM Discussion List
Subject: [WebAIM] How to make a sortable listbox using aria-grabbed and other ARIA attributes

Hi,
I wanted to explore aria-grabbed in the context of a practical application, so came up with this.

The ARIA Sortable Listbox Module dynamically converts standard list markup into a keyboard accessible sortable listbox control.
Demo: http://whatsock.com/modules/aria_sortable_listbox_module/demo.htm

In addition to aria-grabbed, various other ARIA attributes are used, including role=dialog, role=listbox, role=option (plus associated listbox attributes), and unobtrusive status messages to provide additional feedback.

Hopefully this helps with the research of ARIA-based implementations.

Instructions:
. Press Enter on the edit field or activate the Add button to add a new list item; Activate Clear to empty the list, or activate Sort to toggle sortability of the list.
. Using the mouse, click a list item to make a selection, then click any other list item to move the selected item to that location.
. Using the keyboard, use the Up/Down/Home/End keys to navigate listed items.
. Press the Spacebar to grab the selected item for moving; Press the Spacebar again after navigating to another location to move the grabbed item.
. Press Delete on a selected item to remove it from the list.
. Press Escape to cancel a previous grab action; Press Escape again or press Enter to close the listbox and disable sortability.

All the best,
Bryan

From: Bryan Garaventa
Date: Mon, Nov 07 2011 2:24PM
Subject: Re: How to make a sortable list box using aria-grabbedand other ARIA attributes
← Previous message | No next message

No worries, you have to click the "Enable sort" button to toggle editing on
and off. It's off by default.

I just noticed something curious, in JAWS if you have a button element with
a title like so
<button title="Enable sort">Sort</button>
JAWS will read the button text when arrowing but will read the title when
tabbing.
However, if you change the tag to
<button role="button" title="Enable sort">Sort</button>
JAWS will then read the title when both arrowing and tabbing.

----- Original Message -----
From: "Lucy Greco" < = EMAIL ADDRESS REMOVED = >
To: "WebAIM Discussion List" < = EMAIL ADDRESS REMOVED = >
Sent: Monday, November 07, 2011 12:02 PM
Subject: Re: [WebAIM] How to make a sortable list box using aria-grabbedand
other ARIA attributes


> Hello:
> Sorry I think you lost me on this one.
> So I followed the instructions as much as I understood them. . I hit enter
> on the edit field then I clicked add to list then I went to the items and
> clicked space on a few of the items. But nothing seemed to happen. And you
> lose me after this I don't get what should happen and if I even did it
> write.
>
> Lucy Greco
> Assistive Technology Specialist
> Disabled Student's Program UC Berkeley
> (510) 643-7591
> http://attlc.berkeley.edu
> http://webaccess.berkeley.edu
>
> -----Original Message-----
> From: = EMAIL ADDRESS REMOVED =
> [mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of Bryan Garaventa
> Sent: Sunday, November 06, 2011 11:10 AM
> To: WebAIM Discussion List
> Subject: [WebAIM] How to make a sortable listbox using aria-grabbed and
> other ARIA attributes
>
> Hi,
> I wanted to explore aria-grabbed in the context of a practical
> application, so came up with this.
>
> The ARIA Sortable Listbox Module dynamically converts standard list markup
> into a keyboard accessible sortable listbox control.
> Demo: http://whatsock.com/modules/aria_sortable_listbox_module/demo.htm
>
> In addition to aria-grabbed, various other ARIA attributes are used,
> including role=dialog, role=listbox, role=option (plus associated listbox
> attributes), and unobtrusive status messages to provide additional
> feedback.
>
> Hopefully this helps with the research of ARIA-based implementations.
>
> Instructions:
> . Press Enter on the edit field or activate the Add button to add a new
> list item; Activate Clear to empty the list, or activate Sort to toggle
> sortability of the list.
> . Using the mouse, click a list item to make a selection, then click any
> other list item to move the selected item to that location.
> . Using the keyboard, use the Up/Down/Home/End keys to navigate listed
> items.
> . Press the Spacebar to grab the selected item for moving; Press the
> Spacebar again after navigating to another location to move the grabbed
> item.
> . Press Delete on a selected item to remove it from the list.
> . Press Escape to cancel a previous grab action; Press Escape again or
> press Enter to close the listbox and disable sortability.
>
> All the best,
> Bryan
>