Henning Nöth created TOBAGO-2535:
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Summary: Aria label for message button
Key: TOBAGO-2535
URL: https://issues.apache.org/jira/browse/TOBAGO-2535
Project: MyFaces Tobago
Issue Type: Bug
Components: Core
Affects Versions: 6.11.0
Reporter: Henning Nöth
If a info/warning/error Faces message has the ID for a specific component, a
message button appears on this component (if configured).
This message button don't have an ARIA label.
A common case is if a required input field is submitted without being filled
out. A "Validation Error: Value is required" message appears. This message has
the severity "Error". Given that a label is set for the input field, for
example "super important input field", the ARIA label should have the text
"Show error message for super important input field". If no label is set, the
ARIA label should be "Show error message".
The severity of a FacesMessage could be INFO, WARN, ERROR and FATAL.
There is alread a translation for this:
severity.fatal=Fatal
severity.error=Error
severity.warn=Warning
severity.info=Information
It is possible, multiple FacesMessages are set for a component. The message
button has the color of the highest severity.
If an information and a warning FacesMessage is set, the color of the message
button is yellow/orange and the ARIA label should be "Show warning message for
...".
If a warning and a fatal FacesMessage is set, the color of the message button
is red and the ARIA label should be "Show fatal message for ...".
I've been wondering if it would be better to implement a sophisticated ARIA
label like "Show 2 information messages and 1 fatal message for ...", but I
think it's sufficiant to just use the highes severity.
The FacesMessage.Severity severity attribute for the
DecorationPositionRendererBase.encodeFacesMessagePopover() method is already
the highest severity.
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