How to use the a field in a widget call inside a list

[Arlen Beiler]

From the sidebar tiddler

<$reveal type="nomatch" state=<<config-title>> class={{<<listItem>>!!containerClass}} text="hide"  tag="div">

Adding this doesn't seem to work.

[Mark S.]

Hi Arlen,

You can't use wikitext inside of wikitext as you are attempting here: {{<<listItem>>!!containerClass}} nor can you concatenate text on the fly.

But sometimes you can do all that inside of wikify. So the first thing I would try is something like:

<$wikify name="myreveal" text="""

<$reveal type="nomatch" state=<<config-title>> class={{<<listItem>>!!containerClass}} text="hide"  tag="div">"""

<<myreveal>>

</$wikify>

If that doesn't work, I would put listitem in a macro, perhaps like:

\define listclass() {{$(listitem)$!!containerClass}}

and then invoke like

...class=<<listclass>>....

See https://tiddlywiki.com/#Concatenating%20text%20and%20variables%20using%20macro%20substitution

HTH

-- Mark

[Jeremy Ruston]

I’d recommend not using the wikify widget for this kind of thing; it’s a sledgehammer to crack a nut.

Better to try something like this:

<$reveal type="nomatch" state=<<config-title>> class={{{ [<listItem>get[containerClass]] }}} text="hide"  tag="div”>

Of all the features added to TW5 in the last few years, I think the triple braces syntax for transcluded filtered attributes is the one that adds the most expressiveness to wikitext...

Best wishes

Jeremy.

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