I have a template for objects representing documents. I want to transclude
the text content of the specified document from the tiddlers for that
document as an object. Every document has a tiddler with various
information about the document. Most of this information is stored in
fields and output into the tiddler from the template, but I could also use
variables if necessary. One piece of information that will be stored in
either a field or a variable is the title of another tiddler, and that
tiddler contains the full text of the document. From the document template,
I need a way to transclude a tiddler in each of the child tiddlers based on
either a field value or a variable set in those child tiddlers.
I know how to output the value of a field in a child tidder using a
template. The obvious first attempt doesn't work:
{{<$view field="content-tiddler" />}}
In the child tiddler, the field *content-tiddler* contains the string
"DemoContent", which is the exact name of the tiddler I am trying to output
inside of the tiddler for this object, which is the same tiddler that is
directly transcluding the template tiddler.
Since that does not work, I tried using variables. In both the template
tiddler and the child tiddler, I tried setting a variable named
*contentTiddler* with its value as the name of the tiddler that is being
transcluded into the child tiddler:
<$set name="contentTiddler" value="DemoContent" />
Then, in the template tiddler:
{{<contentTiddler>}}
This does not work, and results in no visible effect. DemoContent is not
empty; I copied the Gettysburg Adress into it for testing purposes.
My next attempt involves a macro, and seems to be the closest to success,
although it still does not work.
In the template tiddler, I define a macro named *transcludeContent* with
its internal variable named *contentTiddler* having the default value of
"DemoContent":
\define transcludeContent(contentTiddler:"DemoContent")
Hello, world! {{$(contentTiddler)$}}
\end
I am assuming that I could override the value of contentTiddler by
overwriting it from within the child tiddlers using *<$set
name="contentTiddler" value="AnotherDocumentsText" />*, but I haven't
bothered to test that yet, as I haven't gotten the macro to work at all,
although I did try redefining *contentTiddler* from the child tiddler:
<$set name="contentTiddler" value="DemoContent" />
Then, I simply call the macro from inside the template tiddler:
<<transcludeContent>>
This might be close to success, although it still fails. Currently, it
outputs the "Hello world!" that I put in there, and then displays a
highlighted red error *Recursive transclusion error in transclude widget*.
This happens in both the template tiddler and the child tiddler.
What am I missing?
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