Daniel,
At 05:08 PM 1/31/2005, you wrote:
I'm looking for a method of changing stylesheets via links. The
goal would be to allow users to resort the same data according to
different keys (e.g. by choosing "resort date" "resort name" etc.). In
each case, the same xml would load, only the stylesheet would change. If
there is another method of doing this, I'm not wedded to this approach.
I figure this must be a faq, but a search of the archives shows
only one abandoned thread on the topic from 1999 (unless I'm using the
wrong terminology):
<http://www.biglist.com/lists/xsl-list/archives/199908/msg00259.html> I
also haven't seen anything at w3c or in the usual primers.
Any advice or where to look or how to do it?
If operating server-side is okay, The Sonneteer
(http://sonneteer.xmlshoestring.com) demonstrates this kind of thing both
in its directory sorting, and in the various layouts it provides the
sonnets in the collection. (Actually the directory sorting is even fancier,
since the directory itself is constructed on the fly from whatever is
there, and then a stylesheet parameter sets the sort order and the
templates used for the particular sort. It's also the only extensible
library of poetry I've seen that sorts by rhyme scheme. :-) It's all
configured by mapping URIs to call the engine with the stylesheet given
different runtime parameters.
If operating on the client, you'll need scripting. You might check out
Sarissa (http://sarissa.sf.net) to see what kind of support it provides for
this kind of thing.
The bottom line is that XSLT itself doesn't provide any framework for
event-driven parameterization: you have to rely on the framework
technology. (The Sonneteer uses the 4Suite engine but Apache Cocoon is
capable of the same, as are others.)
Another option that may be even better is to use Javascript to provide the
re-sorting, on the next layer up from the XSLT. The html your stylesheet
would generate would simply contain the code to achieve the sorting; these
days sorting can be done with DOM scripting, so it should be fairly
portable across current browsers.
Mail me off list if you need to know more, and I'll see what I can do.
Cheers,
Wendell
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Wendell Piez
mailto:wapiez(_at_)mulberrytech(_dot_)com
Mulberry Technologies, Inc. http://www.mulberrytech.com
17 West Jefferson Street Direct Phone: 301/315-9635
Suite 207 Phone: 301/315-9631
Rockville, MD 20850 Fax: 301/315-8285
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