On Sun, Jan 24, 2021 at 05:48:10AM -0800, Misterel85 wrote:
> So, here's what I would like:
> 
>    1. I create an activity tiddler.
>    2. I create the corresponding generic source tag tiddler(s) if they 
>    don't already exist. Ex. a tiddler tag whose text field holds info about a 
>    (hypothetical) 'dramatis.com' website would be called 'dramatis' and 
> tagged 
>    'Source'.
>    3. For every time I add a source tag to the activity tiddler, TW checks 
>    whether a corresponding source detail field exists in that current 
> activity 
>    tiddler.
>    4. If not, it retrieves the name of the tag and creates a new field 
>    named after that tag. In the example above, a corresponding field named 
>    'dramatis_detail' or simply 'dramatis' would be added in the current 
>    activity tiddler.
>    5. If I delete a source tag (ex. the 'dramatis' tag), the corresponding 
>    'dramatis' field would also be deleted. (That step may not be necessary if 
>    step 3 is implemented.)

The following tiddler + setup should:

  * add a "Sources" field which will show up whenever you edit a
    tiddler, where you will be able to search/select tags, just like the
    regular tag interface; it should show up at the bottom of a tiddler
    when editing it.

  * When selecting a tag *there*, it will be added to the current
    tiddler, AND, a new field called "<tag> detail" will be added, if
    the tag itself is tagged with the "source" tag.

NOTE: it will only work with tiddlywiki 5.1.23 (latest release as of
today), since it depends on some new features of the "tag-picker"
macro.

To add it to your tiddlywiki, create a new tiddler, as follows:

title: doesn't matter, name it as you wish
tags: $:/tags/EditTemplate
content: (omit the % START % / % END % markers below)
%%%%%%%%%%%%%%%%%%%%%%%% START %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\define acts()
<$list filter="[<tag>tag[source]]">
<$action-setfield $tiddler="$(currentTiddler)$" $value="FILLME" $field={{{ 
[<tag>addsuffix[ details]] }}} />
</$list>
\end

Sources: <$macrocall $name="tag-picker" actions=<<acts>> />
%%%%%%%%%%%%%%%%%%%%%%%% END %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

If the above provides what you need, you should then consider using that
code to replace the original tags widget in the edit tiddler interface. To do
that, I would:

  * save and backup my wiki ;)

  * copy-paste the original tiddler (its title is
    $:/core/ui/EditTemplate/tags ), into this new tiddler you created.

  * integrate the "acts" macro, and the changes to the "tag-picker"
    macrocall that I suggested above, to the copy-pasted tiddler content.

  * put the tiddler in the proper place in the edit interface: Click on
    the tag-pill for the $:/tags/EditTemplate of the new tiddler, and
    drag-and-drop the new tiddler's title to the desired position

  * Edit the $:/core/ui/EditTemplate/tags tiddler, to remove the
    $:/tags/EditTemplate tag from it, so it doesn't show up in the edit
    interface anymore.

  * Enjoy the new setup!

Cheers,

-- 
Javier

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