Re: [office-accessibility] ODF radio button groups

[Pete Brunet <brunet@us.ibm.com>]

Here's the core markup...

radiogroups.odt - frame with two button
groups - this is the one sent by Malte the first time.

<form:form
form:name="Standard">
  <form:frame
form:name="GroupBox"
form:id="control1"
form:label="Just
a Box/Frame - 2 groups"
form:for="control2,control3,control4,control5"
/> 
   <form:radio
form:name="RadioGroup1"
form:id="control2"
form:label="TEST1"
> </form:radio>
  <form:radio form:name="RadioGroup1"
form:id="control3"
form:label="TEST2"
> </form:radio>
  <form:radio form:name="RadioGroup2"
form:id="control4"
form:label="Grp2-A"
> </form:radio>
  <form:radio form:name="RadioGroup2"
form:id="control5"
form:label="Grp2-B"
> </form:radio>
</form:form>


radiogroups2.odt - two radio button
groups labeled with static text - the frame is removed; the labels are
added

<form:form
form:name="Standard"
>
  <form:fixed-text
form:name="LabelField1"
form:for="control3,control4"
form:id="control1"
form:label="LABEL
1" /> 
  <form:fixed-text
form:name="LabelField2"
form:for="control5,control6"
form:id="control2"
form:label="LABEL
2" /> 
  <form:radio
form:name="RadioGroup1"
form:id="control3"
form:label="Grp1-1"
> </form:radio>
  <form:radio
form:name="RadioGroup1"
form:id="control4"
form:label="Grp1-2"
> </form:radio>
  <form:radio
form:name="RadioGroup2"
form:id="control5"
form:label="Grp2-A"
> </form:radio>
  <form:radio
form:name="RadioGroup2"
form:id="control6"
form:label="Grp2-B"
> </form:radio>
</form:form>

radiogroups2b.odt - contrived test case
where each label has form:for for buttons from different groups; like the
prior one but see small change in red on 2nd and 3rd radio butons.

<form:form
form:name="Standard"
>
  <form:fixed-text
form:name="LabelField1"
form:for="control3,control4"
form:id="control1"
form:label="LABEL
1" /> 
  <form:fixed-text
form:name="LabelField2"
form:for="control5,control6"
form:id="control2"
form:label="LABEL
2" /> 
  <form:radio
form:name="RadioGroup1"
form:id="control3"
form:label="Grp1-1"
> </form:radio>
  <form:radio
form:name="RadioGroup2"
form:id="control4"
form:label="Grp1-2"
> </form:radio>
  <form:radio
form:name="RadioGroup1"
form:id="control5"
form:label="Grp2-A"
> </form:radio>
  <form:radio
form:name="RadioGroup2"
form:id="control6"
form:label="Grp2-B"
> </form:radio>
</form:form>

radiogroups3.odt - like the second case
but with an outer frame

<form:form
form:name="Standard"
>
  <form:frame
form:name="GroupBox"
form:for="control1,control2"
form:id="control7"
form:label="Group
Box" />

  <form:fixed-text
form:name="LabelField1"
form:for="control3,control4"
form:id="control1"
form:label="LABEL
1" /> 
  <form:fixed-text
form:name="LabelField2"
form:for="control5,control6"
form:id="control2"
form:label="LABEL
2" /> 
  <form:radio
form:name="RadioGroup1"
form:id="control3"
form:label="Grp1-1"
> </form:radio>
  <form:radio
form:name="RadioGroup1"
form:id="control4"
form:label="Grp1-2"
> </form:radio>
  <form:radio
form:name="RadioGroup2"
form:id="control5"
form:label="Grp2-A"
> </form:radio>
  <form:radio
form:name="RadioGroup2"
form:id="control6"
form:label="Grp2-B"
> </form:radio>
</form:form>

Either a form:frame with a single group
or a group with a label (form:fixed-text form:for) would be the best practice
on the ODF side.  The a11y implementation would provide labeledBy/labelFor
relations.  In the last case it would be ideal if ATs would read both
the immediate static text label and the frame label but I suspect they
won't and this would be a work item for the ATVs.  Some testing would
be required as the typical situation on Win is a single radio button group
per group box and a parent/child relation between the groupbox and the
radio buttons.

Pete Brunet
                    
                     
                     
         
IBM Accessibility Architecture and Development
11501 Burnet Road, MS 9022E004, Austin, TX 78758
Voice: (512) 838-4594, Cell: (512) 689-4155
Ionosphere: WS4G

Malte Timmermann <Malte.Timmermann@Sun.COM>
Sent by: Malte.Timmermann@Sun.COM

10/08/2008 01:02 AM

To	Pete Brunet/Austin/IBM@IBMUS
cc	office-accessibility@lists.oasis-open.org
Subject	Re: [office-accessibility] ODF radio button groups

Hi...

> Malte, Please tweak your test case to add two static text labels
> labeling the two button groups so we can see how ODF labels them,
i.e.

Since OOo's UI doesn't allow me to do that, I could only guess how it
should like in ODF.

See attached documents.

Please notice (in OOo) that grouping logic still uses the form:names,
not the form:for.

PDF Export and using Adobe Reader has exactly the same grouping
behaviour, but I don't know how the PDF Tags look like...

> during the meeting you mention that labelFor/labelledBy relations
would
> be used but I think the spec indicates that form:fixed-text with a
> form:for attribute would be used.

Sorry for creating confusion.

What I meant was: When using "form:for" in ODF, it should be
reflected
via Accessibility API "LabelFor", which then means the
labeled/referenced elements should report a "LabeledBy", which
has no
equivalent attribute in ODF (would be redundant).

Malte.
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radiogroups2.odt

radiogroups2b.odt

radiogroups3.odt