Re: Action-1293 Proposal

I think I like rowcount/colcount

On Tue, Mar 10, 2015 at 1:26 PM, Matthew King <mattking@us.ibm.com> wrote:

> > Also, I would like more if aria-rsize and aria-csize were renamed to
> aria-rowsize and aria-colsize as more descriptive names.
>
> Could these be confusing names? aria-setsize tells the number of items in
> the set. Might people think that aria-rowsize is the number of items (cells
> or columns) in a row? And that aria-colsize is the number of items (cells
> or rows) in a column? Of course, they can read the fine spec... but they
> may just be reading code.
>
> I wonder if aria-rowcount and aria-colcount might be more descriptive?
>
> Matt King
> IBM Senior Technical Staff Member
> I/T Chief Accessibility Strategist
> IBM BT/CIO - Global Workforce and Web Process Enablement
> Phone: (503) 578-2329, Tie line: 731-7398
> mattking@us.ibm.com
>
>
>
> From:        Alexander Surkov <surkov.alexander@gmail.com>
> To:        Richard Schwerdtfeger/Austin/IBM@IBMUS,
> Cc:        PF <public-pfwg@w3.org>, Joanmarie Diggs <jdiggs@igalia.com>
> Date:        03/10/2015 08:16 AM
> Subject:        Re: Action-1293 Proposal
> ------------------------------
>
>
>
> Hi, again. I think I have an addition to attributes definition, you gave,
> which would make me ok with attributes. Let me share it with you.
>
> aria-rowindex
>
> If aria-rowindex attribute value on the item is lesser than previous item
> row index then the attribute is ignored. If aria-rowsize attribute value is
> lesser then subsequent items number then the attribute is ignored.
>
> aria-colindex
>
> Same text as aria-rowindex plus "aria-colindex is ignored on any cell not
> belonging to the first presented row".
>
> Also, I would like more if aria-rsize and aria-csize were renamed to
> aria-rowsize and aria-colsize as more descriptive names.
>
> Thanks.
> Alex.
>
>
> On Mon, Mar 9, 2015 at 1:49 PM, Alexander Surkov <
> *surkov.alexander@gmail.com* <surkov.alexander@gmail.com>> wrote:
> Hi. I still dislike the definition of aria-colindex
>
> "Defines an element's cell or gridcell column number or position in the
> current set of columns table"
>
> since it allows to move table cells in the table. You can easily do
> sorting:
>
> <table role="grid">
>   <row>
>     <td role="gridcell" aria-colindex="8" aria-csize="16">A</td>
>     <td role="gridcell" aria-colindex="7" aria-csize="16">B</td>
>     <td role="gridcell" aria-colindex="6" aria-csize="16">C</td>
>     <td role="gridcell" aria-colindex="5" aria-csize="16">D</td>
>   </row>
> ...
> </table>
>
> This statement is incorrect in case of IA2 and ATK
>
> "This property is not automatically caldulated by the user agent."
>
> because every cell has to have column and row index in these APIs, so if
> it's not provided by ARIA then the browser has to calculate it.
>
> Same concerns are applicable to aria-rowindex property.
>
> Thanks.
> Alex.
>
> On Mon, Mar 9, 2015 at 10:46 AM, Richard Schwerdtfeger <
> *schwer@us.ibm.com* <schwer@us.ibm.com>> wrote:
> for role="row" add aria-rowindex and aria-rsize
> for role="cell" and gridcell add aria-colindex, and aria-csize
>
> *aria-colindex (property)*
>
> Defines an element's cell or gridcell column number or position in the
> current set of columns table, grid, or treegrid. See related aria-csize.
>
> This property is not automatically caldulated by the user agent. The
> default value is -1 which means indeterminant.
>
> The following example shows columns 5 through 8 in a set of 16.
>
> <table role="grid">
>   <row>
>      <td role="gridcell" aria-colindex="5" aria-csize="16">A</td>
>      <td role="gridcell" aria-colindex="6" aria-csize="16">B</td>
>     <td role="gridcell" aria-colindex="7" aria-csize="16">C</td>
>     <td role="gridcell" aria-colindex="8" aria-csize="16">D</td>
>   </row>
> ...
> </table>
>
>
> *aria-rowindex (property)*
>
> Defines a *element* <http://www.w3.org/TR/wai-aria-1.1/#dfn-element>'s
> row number or position in the current set of rows table, grid, or treegrid.
> It is not required if all row elements in the set are present in the DOM.
> See related aria-rsize
>
> If all items in a set are present in the document structure, it is not
> necessary to set this *attribute*
> <http://www.w3.org/TR/wai-aria-1.1/#dfn-attribute>, as the *user agent*
> <http://www.w3.org/TR/wai-aria-1.1/#dfn-user-agent> can automatically
> calculate the set size and position for each item. However, if only a
> portion of the set is present in the document structure at a given moment,
> this *property* <http://www.w3.org/TR/wai-aria-1.1/#dfn-property> is
> needed to provide an explicit indication of an element's position.
>
> When applied to an element having a role of "row" the user agent must
> expose the proprety to assistive technologies on all descendant cells and
> gridcells in addition to the row it is applied to.
>
> The following example shows rows 3 through 5 in a set of 5.
>
> <table>
>   <row aria-rowindex="3" aria-rsize="5">
>      <td>A</td>
>      <td>B</td>
>      <td>C</td>
>   </row>
>   <row aria-rowindex="4" aria-rsize="5">
>      <td>A</td>
>      <td>B</td>
>      <td>C</td>
>   </row>
>   <row aria-rowindex="5" aria-rsize="5">
>      <td>A</td>
>      <td>B</td>
>      <td>C</td>
>   </row>
> </table>
>
> *aria-csize (property) *
>
> Defines the number of columns in the current table or grid's set of
> columns.
>
> This *property* <http://www.w3.org/TR/wai-aria-1.1/#dfn-property> is
> marked on the members of a set, not the container element that collects the
> members of the set. To orient the user by saying an element is "item X out
> of Y," the *assistive technologies*
> <http://www.w3.org/TR/wai-aria-1.1/#dfn-assistive-technologies> would use
> X equal to the aria-colindex attribute and aria-csize equal to the
> aria-colsize attribute.
>
> This property is not automatically caldulated by the user agent. The
> default value is -1 which means indeterminate.
>
> The following example shows items 5 through 8 in a set of 16.
>
> <table role="grid">
>   <row>
>      <td role="gridcell" aria-colindex="5" aria-csize="16">A</td>
>      <td role="gridcell" aria-colindex="6" aria-csize="16">B</td>
>     <td role="gridcell" aria-colindex="7" aria-csize="16">C</td>
>     <td role="gridcell" aria-colindex="8" aria-csize="16">D</td>
>   </row>
> ...
> </table>
>
>
> *aria-rsize (property)*
>
> Defines the number of rows in the current set of rows within a table,
> grid, or treegrid. Not required if all elements in the set are present in
> the DOM. See related *aria-posinset*
> <http://www.w3.org/TR/wai-aria-1.1/#aria-posinset>.
>
> This *property* <http://www.w3.org/TR/wai-aria-1.1/#dfn-property> is
> marked on rows, or cells or gridcells contained within the containing row.
> To orient the user by saying an element is "item X out of Y," the *assistive
> technologies*
> <http://www.w3.org/TR/wai-aria-1.1/#dfn-assistive-technologies> would use
> X equal to the aria-rowindex *attribute*
> <http://www.w3.org/TR/wai-aria-1.1/#dfn-attribute> and Y equal to the
> aria-rsize attribute.
>
> If all items in a set are present in the document structure, it is not
> necessary to set this property, as the *user agent*
> <http://www.w3.org/TR/wai-aria-1.1/#dfn-user-agent> can automatically
> calculate the set size and position for each item. However, if only a
> portion of the set is present in the document structure at a given moment
> (in order to reduce document size), this property is needed to provide an
> explicit indication of set size.
>
> When applied to an element having a role of "row" the user agent must
> expose the proprety to assistive technologies on all descendant cells and
> gridcells unless overridden by  applying the property directly to a
> descendant cell or gridcell.
>
> The following example shows rows 3 through 5 in a set of 5.
>
> <table>
>   <row aria-rowindex="3" aria-rsize="5">
>      <td>A</td>
>      <td>B</td>
>      <td>C</td>
>   </row>
>   <row aria-rowindex="4" aria-rsize="5">
>      <td>A</td>
>      <td>B</td>
>      <td>C</td>
>   </row>
>   <row aria-rowindex="5" aria-rsize="5">
>      <td>A</td>
>      <td>B</td>
>      <td>C</td>
>   </row>
> </table>
>
> Note: need to coordinate with Steve Faulkner new native host language
> semantics for TD and Table elements.
>
>
> Rich Schwerdtfeger
>
>
>
>
>