https://issues.apache.org/bugzilla/show_bug.cgi?id=48073
Summary: Batik should display anchor "xlink:title" attribute
contents as a tooltip
Product: Batik
Version: 1.8
Platform: All
OS/Version: All
Status: NEW
Severity: minor
Priority: P2
Component: Bridge
AssignedTo: [email protected]
ReportedBy: [email protected]
A tooltip is not displayed whenever a anchor ("a" element) has the
"xlink:title" attribute [1] set.
Batik already displays the contents of "title" and "desc" elements as tooltips,
as suggested by the SVG specification [2], so I'd say we should also display
the link title.
I'm not sure how precedence should be handled (when a given link has
"xlink:title" attribute and child "title"/"desc" elements), but it is suggested
[3] that "xlink:title", when set, should take precedence over the other.
A current workaround consists of adding a "title" child element to the anchor
with the same content as the "xlink:title" attribute, which is then rendered by
Batik. A test case with this idea was implemented [4] during experiments in
order to force a pointer cursor in ASV3: one would expect a tooltip when
hovering on the blue (leftmost) circle.
[1] http://www.w3.org/TR/SVG/struct.html#XLinkTitleAttribute
[2] http://www.w3.org/TR/SVG/struct.html#DescriptionAndTitleElements
[3]
http://www.w3.org/Graphics/SVG/IG/wiki/Accessibility_Activity#Title_As_Tooltip
[4] http://heldermagalhaes.com/stuff/svg/hacks/ASV3-EmulatePointerCursor.svg
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