Hi all,
Steve I think that your use case is interesting because it shows a
limitation of sorting with TW filters (although imho in this specific
case the best solution would be to sort the list of tags automatically
every time a tag is added to a tiddler). I think another case with the
same limitation is when one wants to sort a list of tiddlers by the
number of times they are used as tags (i.e. number of tiddlers tagged
with them).
I'll try to describe the issue here: the "sort" operator (and the
related nsort, sortcs, nsortcs) only work with fields, but sometimes it
might make sense to compute the sort criterion with a "sub-filter"
instead. As Jed's solution shows, currently the only way is to create
the field containing the sort key: in this case the key is the result of
the "sub-filter" |"[<currentTiddler>tags[]sort[]]". |In my other example
about sorting tags by the number of times they are used, the
"sub-filter" would be "[|<currentTiddler>|tagging[]]".
I wonder if it would be possible to implement new "sort" filter
operators which would allow the usage of a sub-filter like this? The way
I see it it would be used like this:
- Steve's case: "[....sort-list-filter[|<currentTiddler>tags[]sort[]|]]"
- sort by number of tagged tiddlers:
"[....nsort-count-filter[|<currentTiddler>|tagging[]]]"
The idea would be that the argument of "sort-list-filter" would be
computed for each tiddler resulting from the previous part of the
filter, and the result would act like a temporary key on which the
overall sorting is based. In the case of "nsort-count-filter", the
sub-filter is interpreted as a <$count ...> filter instead of a <$list
...> one. It is important to notice that the variable <currentTiddler>
would have to be interpreted inside the loop, i.e. applies to each
resulting tiddler and not the current tiddler in which the whole filter
is used.
What do you experts think?
ps: btw, does anyone know if there is a difference in performance
between using [all[current]...] and [<currentTiddler>...] ?
Regards,
Erwan
On 06/11/15 12:08, steve wrote:
Tobias, Jed:
Again, thanks for responding.
I believe that the available filter criteria (by tags, types, content,
dates, etc) is not the
limiting factor. Using these I can whip up a list filter to do
whatever I want. The example
on http://tiddlysquat2.tiddlyspot.com/
<http://www.google.com/url?q=http%3A%2F%2Ftiddlysquat2.tiddlyspot.com%2F&sa=D&sntz=1&usg=AFQjCNGlcb4HW9FQgjnNGMVSfPfU0JRgTw>
selects tiddlers that match tag[reference].
The part that seems to be missing is the means to:
[1] sort tags[] for each tiddler and concatenate the sorted tags into
a string (maybe use a temporary field?) and
[2] sort the tiddlers according to their respective tag Strings
The example looks like it is doing #1 correctly, i.e., sorting the tags.
The example is only partially successful with #2, sorting the tiddlers.
Tobias: I'll look into your suggestion regarding the use of a dynamic
filter.
Jed: Is there a way that I can view the tiddler from your example?
Thanks
Steve Wharton
On Friday, November 6, 2015 at 4:48:29 AM UTC-5, Jed Carty wrote:
I made something sort of like what you are talking about here
<http://ooktech.com/jed/ExampleWikis/TiddlerTools/>. It is slow
and there are still a bunch of bugs but it does some of it anyway.
It can be a more involved process than you expect depending on
what you allow as valid search criteria.
--
You received this message because you are subscribed to the Google
Groups "TiddlyWiki" group.
To unsubscribe from this group and stop receiving emails from it, send
an email to [email protected]
<mailto:[email protected]>.
To post to this group, send email to [email protected]
<mailto:[email protected]>.
Visit this group at http://groups.google.com/group/tiddlywiki.
To view this discussion on the web visit
https://groups.google.com/d/msgid/tiddlywiki/6eceb037-a36d-429d-be81-ff5d2b5355c9%40googlegroups.com
<https://groups.google.com/d/msgid/tiddlywiki/6eceb037-a36d-429d-be81-ff5d2b5355c9%40googlegroups.com?utm_medium=email&utm_source=footer>.
For more options, visit https://groups.google.com/d/optout.
--
You received this message because you are subscribed to the Google Groups
"TiddlyWiki" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/tiddlywiki.
To view this discussion on the web visit
https://groups.google.com/d/msgid/tiddlywiki/563CC52F.7090801%40gmail.com.
For more options, visit https://groups.google.com/d/optout.
