Filter request: "except those transcluded in the" current tiddler

[David Gifford]

Hi all

I need another list filter:

...minus any tiddlers transcluded in the" current tiddler.

Use case: I plan to use transclusions to build long "article" tiddlers, with section headers and specific ordering of the transclusions. But as I take notes, I want to tag note tiddlers with the article(s) they will be transcluded in.

So in edit template, I want a list at the bottom of the tiddlers tagged to the current tiddler [all[current]tagging[]], minus the tiddlers I have already transcluded in the current tiddler. That way I can see which tiddlers still need transcluding.

Thanks for any help with this. It doesn't look very straightforward. There doesn't seem to be a way to do -[all[current]transcluding[]] yet. Maybe in 5.1.25?

Blessings,

[Si]

Hi David,

I've been planning to do something similar in my own wiki. I can't think of a way to do it with a single filter expression, but here is a very clunky approach:

<$list filter="[tag<currentTiddler>] [tag{!!draft.of}]" variable=tagged-tiddler>
    <$vars search-term={{{ [<tagged-tiddler>addprefix[{{]addsuffix[}}]] }}}>
        <$list filter="[<currentTiddler>!search<search-term>]">
            <$link to=<<tagged-tiddler>>><<tagged-tiddler>></$link>
            <br>
        </$list>
    </$vars>
</$list>

This should work in both edit and view mode, but you can easily simplify the first filter expression if you only need it to work in edit mode.

There's probably a more elegant approach out there but this seems to work.

[Si]

Just realized the search filter should probably be more like this: [<currentTiddler>!search:text:literal,casesensitive<search-term>]

[David Gifford]

Yes! A big "¡Sí!" to si! Thanks, works great!

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[David Gifford]

I added this to my "documenting.tw" file:  https://giffmex.org/gifts/documenting.tw.html#Filter%3A%20All%20tagging%20except%20those%20transcluded%20here

[Soren Bjornstad]

I'd like to draw attention to this PR that's been sitting for about a year due to needed improvements:

https://github.com/Jermolene/TiddlyWiki5/pull/4766

By making transclusion into a first-class citizen that TiddlyWiki keeps track of, it would produce an elegant solution for this problem and many others. 

[Si]

@Soren Yes I too would love to see this added, it would be very handy.

[TW Tones]

Folks,

The solution is in this thread, however there is value dividing the problem.

First construct a custom filter to extract and list transclusions within the current tiddler eg has {{ }} brackets, you can split on | (use \define pipe() | ) and get the last value (not }}). 

Once you have this list you can use it to exclude those tiddlers from the larger list.

Regards

Tones