Great feature!
Thank you Jeremy
On Saturday, April 25, 2020 at 3:02:57 PM UTC+4:30, Jeremy Ruston wrote:
>
> I’ve now implemented a new “subsort” filter that takes a subfilter and
> sorts the incoming titles by the result of running that filter on each one
> in turn:
>
>
> https://github.com/Jermolene/TiddlyWiki5/commit/619c0752bd3c6e71d1fcdb74daa03cfe8257afe4
>
> The OP should be achievable using a subfilter such as:
>
> [{!!value}divide{!!time}]
>
> With that filter in a variable called “cost” it could be used like this:
>
> [tag[tas]subsort:number<cost>]
>
Seems it is sortsub
Using tiddlywiki.com I made a test as below
\define cost() [{!!value}divide{!!time}]
<$list filter="[tag[job]sortsub:number<cost>]">
</$list>
but it does not work! Please advise!
> The new operator will be available on https://tiddlywiki.com/prelease in
> a few minutes (you can check on build progress here:
> https://travis-ci.org/github/Jermolene/TiddlyWiki5/builds)
>
> Best wishes
>
> Jeremy
>
>
> On 23 Apr 2020, at 16:46, si <matthew...@gmail.com <javascript:>> wrote:
>
>
> Thank you so much Eric you have saved me yet again! I really appreciate
> you taking the time to help me out.
>
> On Wednesday, 22 April 2020 23:22:31 UTC+1, Eric Shulman wrote:
>>
>> On Wednesday, April 22, 2020 at 11:30:41 AM UTC-7, si wrote:
>>>
>>> Hi everyone.
>>> I'm trying to implement a particular type of task list using plain
>>> wikitext. I stole the idea from supermemo
>>> <https://supermemo.guru/wiki/Tasklist>.
>>> Each of my tasks is tagged *task*, and has the fields *time *and *value*.
>>> These fields represent the estimated time a task will take and the
>>> perceived value of a task respectively.
>>> I'm trying to generate a task list that is sorted by the result of *value
>>> divided by time* for each task.
>>> I thought this would be able to do this easily, then tried it and
>>> realised I couldn't. Can anyone help me out here?
>>>
>>
>> I did something similar to create a "tag cloud", where the tags are
>> sorted by the number of tiddlers they are tagging.
>> See
>> http://tiddlytools.com/filtergenerators.html#TiddlyTools%2FFilterGenerators%2FTagCloud
>>
>> For your purposes, the code is actually quite a bit simpler than the
>> TagCloud. This should do the job:
>> \define getitems()
>> <$list filter="[tag[task]]">
>> <$vars time={{!!time}} value={{!!value}}>
>> <$text text="[["/>{{{ [<value>divide<time>divide[10000]] }}};<<
>> currentTiddler>><$text text="]]"/>
>> </$vars>
>> </$list>
>> \end
>>
>> <$wikify name="items" text=<<getitems>> >
>> <$list filter="[enlist<items>nsort[]]">
>> {{{ [<currentTiddler>split[;]last[]] }}}<br>
>> </$list>
>> </$wikify>
>>
>> The <<getitems>> macro:
>> * gets all tiddlers tagged with "task"
>> * calculates the "value/time" number for each and divides it by 10000 to
>> ensure that all numbers are zero-padded for proper sorting (so a value,
>> e.g., "15" is not sorted between "1" and "2")
>> * prepends that calculated value in front of each task title, separated
>> by a semi-colon (;) and surrounded by double square brackets to handle
>> titles with spaces
>>
>> The calling code:
>> * Uses $wikify to capture the output of <<getitems>> into a variable,
>> "items"
>> * The $list widget then enlists the items and sorts them numerically
>> * The output then strips off the calculated number and the semi-colon
>> separator and displays the tiddler titles in the sorted order
>>
>> Let me know how it goes...
>>
>> enjoy,
>> -e
>>
>>
>>
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