This is one of the things that I need to do as well. I think that it would
be better to put the data in to json tiddlers - they can contain ordered
lists (arrays), and then have some widgets like the ractive.js templates
(see http://mlarocca.github.io/01-22-2014/pathsjs_ractive.html for an
example) that can handle json tiddlers.
On Saturday, September 12, 2015 at 5:52:24 PM UTC+1, Evan Balster wrote:
>
> Use Case:
>
> Suppose within my TiddlyWiki I'm rendering an infographic as SVG. The SVG
> contains a path, which is defined by a string containing a list of
> vertices. Suppose further I want to use an operation with at least one
> <$list> widget to populate this path, as below. Because the path is an
> attribute string, any transclusion into it will not be wikified. I can
> paste transclusions together using macros, but that isn't practical for
> lists. So is there a way to *force* wikification?
>
> Obviously any HTML would be undesirable in the output, so I would need to
> be able to use a render mode like the one which applies in this typed block:
>
> $$$*text/vnd.tiddlywiki>text/plain*
> <$list filter="[tag[Vertex]first[]]">M {{!!x}} {{!!y}}
> </$list>
> <$list filter="[tag[Vertex]rest[]]">L {{!!x}} {{!!y}}
> </$list>
> $$$
>
> (I ran into this problem a few months ago while creating a graphical
> timeline generator and never managed to solve it. I know this is possible,
> because TiddlyWiki does something very similar to support customized
> stylesheets with basic parsing rules -- but I've investigated how it's
> done, and the mechanism uses calls to the rendering engine in core code
> rather than any accessible macro. The discussion I started at that time
> did not lead anywhere.)
>
> As far as I can tell, all that would be necessary would be a macro to the
> effect of:
>
> <<*parse_and_render* {{MySVGCode}} text/vnd.tiddlywiki>text/plain>>
>
> Which makes the appropriate calls into core code. Would this be
> reasonable to request as a core feature? If not, is there a plug-in?
>
>
> (I anticipate someone will mention that this is possible by way of storing
> data to a temporary tiddler and then transcluding it. If so, I *would*
> love to know how -- but I also point out that such is a significant
> deviation from TiddlyWiki's "normal" way of rendering things and makes
> unnecessary use of long-term storage. I'd also rather avoid "refresh"
> trigger buttons.)
>
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