Nesting Variables

[Jan]

Hi
I want to insert the values some fields of the tiddler currently in
focus into a macro...
Can I use a construction like this to nest variables.

<$set name=foc value={{$:/HistoryList!!current-tiddler}}>
<$vars seminar={{$(foc)$}}!!Seminar}} clipname={{$(foc)$}}!!clip}}
thema={{$(foc)$}}!!thema}}>
<video controls id="fullstart" width=600px poster={{$(foc)$!!poster}}>
<source src=<<cliplink>>>
</video></$vars></$set>

So far it does not work... what do I have to change?

Thanks
Jan

[Jed Carty]

The $(Variable)$ syntax only works when used inside a macro and the variable was defined outside of the macro. Also there are some extra }} in your code.

Here is one way to make it work:

\define InnerMacro()
<$vars seminar={{$(foc)$!!Seminar}} clipname={{$(foc)$!!clip}}
thema={{$(foc)$!!thema}}>

<video controls id="fullstart" width=600px poster={{$(foc)$!!poster}}>
<source src=<<cliplink>>>
</video></$vars>

\end


<$set name=foc value={{$:/HistoryList!!current-tiddler}}>
<<InnerMacro>>
</$set>

but an easier way is probably to use the tiddler widget like this:

<$tiddler tiddler={{$:/HistoryList!!current-tiddler}}>

<$vars seminar={{!!Seminar}} clipname={{!!clip}}
thema={{!!thema}}>
<video controls id="fullstart" width=600px poster={{!!poster}}>
<source src=<<cliplink>>>
</video></$vars>
</$tiddler>

[Jan]

Hi Jed,
Fantastic!
Thanks for guessing my thoughts, I think I can use this trick a lot.

Jan

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