- From: Alexander Surkov <surkov.alexander@gmail.com>
- Date: Tue, 10 Mar 2015 15:10:35 -0400
- To: Dominic Mazzoni <dmazzoni@google.com>
- Cc: Matthew King <mattking@us.ibm.com>, Joanmarie Diggs <jdiggs@igalia.com>, PF <public-pfwg@w3.org>, Richard Schwerdtfeger <schwer@us.ibm.com>
- Message-ID: <CA+epNscpf=xF=Ug0BJDW7aff9vP3HZbA2OSH1ECs9ixojuHS3Q@mail.gmail.com>
rowspan/colspan combines cells into single cell, rowcount/colcount is amount of cells, both presented and missed. On Tue, Mar 10, 2015 at 3:04 PM, Dominic Mazzoni <dmazzoni@google.com> wrote: > Wait, why not use rowspan / colspan? That would be consistent with HTML > and require less explanation. Does it actually mean anything different than > rowspan / colspan? > > On Tue, Mar 10, 2015 at 10:31 AM, Alexander Surkov < > surkov.alexander@gmail.com> wrote: > >> 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 >>> >>> >>> >>> >>> >> >
Received on Tuesday, 10 March 2015 19:11:08 UTC