Hi, Thomas,
Sorry perhaps I misunderstood your question. All of my comments were
about Batik's SVG browser 'Squiggle'. If you want to know how to display
a toolTip with FireFox or IE6 I suggest you ask those developers.
It was I who misunderstood. I'll investigate Squiggle. Loading into a browser
was just the only way I saw to test the .svg at the moment, and I didn't pick
the right one.
Am I missing something basic, or using these tests incorrectly? I don't understand how to implement these tests on the JSVGCanvas.
I was testing using (on linux, mac use build.sh):
build.bat squiggle samples/tests/spec/structure/toolTips.svg
Squiggle simply wraps the JSVGCanvas.
Batik/JSVGCanvas doesn't try to mimic any browser behavior, it tries
to properly implement the SVG standard.
My poor choice of words. "might not mimic" should have been "differ from".
Your point is well taken, re implementing the standard. I'll have to investigate more before I can
contribute any useful comments.
Many thanks for your thoughts,
Dan
[email protected] wrote:
Hi Dan,
Dan Slater <[email protected]> wrote on 02/04/2009 02:26:28 PM:
Does anyone have an example of code that results in a tooltip for a
<use> element in a JSVGCanvas? This is unfortunately a
long-standing
unresolved problem I have [1]. That past example shows that, for a
Web
page, it would work like so:
<a xlink:href="http://www.gnote.org/"; cursor="help"
xlink:title="thinking about communication">
<title>Thought bubbles</title>
<use xlink:href="#communicate" x="90" y="-150" />
</a>
Indeed, "thinking about communication" pops up on mouseover.
This should work for Batik, you will get a tool tip with
'Thought bubbles' and not 'thinking about communication'.
But I am developing for JSVGCanvas (Batik v1.6), not the Web. When
I
use this code:
SVGElement elt =
(SVGElement)doc.createElementNS(Intersection.svgNS,
"use");
elt.setAttributeNS("http://www.w3.org/1999/xlink";,
"xlink:href",
"#receptor");
xlink.setXLinkTitle(elt, "test");
You need to create an SVG 'title' element as your example shows
and
put your tool-tip text in that.
nothing pops up on hover. Nor when I wrap the <use> in an <a> and
put
xlink:title in the <a>. Nor when I explicitly set "xlink:title"
instead
of using the XLinkSupport class, which just produces
'title="xyz"'....
So we use the SVG native 'title' and 'desc' elements rather than
the xlink attributes.
Element d = doc.createElementNS(Intersection.svgNS, "desc");
Text t = doc.createTextNode(id);
Element a = doc.createElementNS(Intersection.svgNS, "a");
a.setAttributeNS("http://www.w3.org/1999/xlink";, "xlink:title",
"test");
//xlink.setXLinkTitle(a, "test");
d.appendChild(t);
elt.appendChild(d);
a.appendChild(elt);
parElt.appendChild(a);
Any hints would be extremely welcome.
This example should work and does work in my testing.
I'm not sure why it isn't working for you. You can drop all
of the 'xlink:title' stuff if you want for now.
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