Ok, something to try:
\define removeme() [[$(item2)$]]
\define empty()
<$vars appendme="[[$(item2)$]]">
<$button class="tc-btn-invisible">
<$action-listops $tiddler='$(tiddler)$' $field="$(field)$"
$subfilter="+[append<appendme>]"/>
{{$:/image/checkbox1}} <<label>>
</$button>
<$vars>
\end
\define toggle-in-field(tiddler, field, item, item2, label)
<$set name=item2 value='$item2$' emptyValue='$item$'>
<$set name=label value='$label$' emptyValue='[[$item$]]'>
<$vars tiddler="""$tiddler$""" field="""$field$""">
<div style="white-space:nowrap; display:inline-block; margin-right:3px;">
<$list filter="[enlist{$tiddler$!!$field$}regexp[^$item$$]limit[1]]"
variable=n1 emptyMessage=<<empty>>>
<$button class="tc-btn-invisible" >
<$action-listops $tiddler='$tiddler$' $field="$field$"
$subfilter="+[remove<removeme>]"/>
{{$:/image/checkbox2}} <<label>>
</$button>
</$list>
</div>
</$vars>
</$set>
</$set>
\end
It seems to work with your Foo bar examples, but my testing was pretty
brief. It does NOT use variable #2, because I don't understand yet what you
want to do with that. Perhaps you could explain in more detail.
There was some TW-Logic errors (TW-Logic is not to be confused with the
real thing). This line presents problems:
<$set name=item2 value='$item2$' emptyValue='[[$item$]]'>
Because if there is a value then the rest of the code sees a simple text
string, but if there is not a value than the rest of the code sees a title
list string. The rest of the code needs it to be one or the other. I
switched it off, but then switched on title list right before the list-ops.
This might not be the best way, but it seems to work.
There's only one list widget now. There was a logic error with !regexp.
!regexp returns a list of items that don't match the criteria, but that
doesn't mean that aren't other criteria that DO match the criteria. So
instead I used the "emptyMessage" for when there were no items that
matched. This meant playing with variable names a bit.
HTH
-- Mark
On Thursday, August 9, 2018 at 1:14:27 PM UTC-7, Mat wrote:
>
> Thanks for reply, Mark!
>
> You seem to want to look at something like "[[Foo]] Bar Baz" as a whole
>> string. I'm not sure how to even set that up experimentally, because TW
>> constantly wants to turn it into a title list, with each item viewed as a
>> title.
>>
>
> I'd think all the cases where you're forced to use the enlist filter
> operator would mean that if you don't use it, then the arg is seen as one
> string. No?
>
> But, regardless, doesn't the regexp:field[] filter op always interpret
> any field content as one string because regexp:tags[oo ba] would show
> positive for the tags "foo bar". I.e AFAICT, the space character is just a
> character to regexp, not a separator.
>
>
>
> As far as a regular expression that just finds "Foo" (assuming a standard
>> title list) then regexp[^Foo$] should work.
>>
>
> If there is anything more in the field, such as is common the tags field,
> then that syntax would give a false negative.
>
> The actual use case for my question is the toggle-in-field
> <http://toggle-in-field.tiddlyspot.com/> plugin. I have thus far used
> regexp[\b$item$\b] like so
>
> <$list filter="[[$tiddler$]has[$field$]regexp:$field$[\b$item$\b]]">
>
> This is actually pretty good but it gives a false positive in a TW
> context(!) where a title Foo must not be confused with a title [[Foo bar]].
> There needs to be some condition that a prefixing [[ also requires a
> suffixing ]] but I'm not sure how to deal with bracket characters in a
> filter and if it is at all possible.
>
> Thanks for your input, Mark!
>
> <:-)
>
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