Hi Eric,
I just tried using this as well, in my own {{DesignWrite}} exercise, and
couldn't get it to work either, even following your example code above.
I've used it on just this one tiddler
<https://dl.dropboxusercontent.com/s/wco3fcvaj1mweqt/inclusivity.html#Oliver%2C%20M.%20%282013%29%20The%20social%20model%20of%20disability.>
so far, but I intend to use it in a ViewTemplate later. Here's my code:
<<list-links filter:"[{!!title}next[References]]">>
Any idea why this isn't working? That tiddler is tagged with References,
and there are two other tiddlers also tagged in the same collection / set.
A standard *<$list filter="[tag[References]">* filtered list sees them all.
Hegart.
On Friday, 19 February 2016 11:36:38 UTC+13, Eric Shulman wrote:
>
> On Thursday, February 18, 2016 at 2:13:09 PM UTC-8, stevesuny wrote:
>>
>> I am exploring the use of the next operator, and want to build "next" and
>> "previous" buttons using tag lists etc.
>>
>> Putting this code in the Tuesday tiddler http://tiddlywiki.com/#Tuesday
>> in Tiddlywiki.com the first line returns "Wednesday" and the second,
>> nothing.
>>
>> 1 <<list-links filter:"[[Tuesday]next[Days of the Week]]">>
>> 2 <<list-links filter:"[[{{!!title}}]next[Days of the Week]]">>
>>
>> I have trouble with syntax getting the {{!!title}} to work when embedded
>> in code like this. What am I missing?
>>
>
> You have too many brackets and braces... within filter syntax, there are
> three ways to specify a value, using brackets, chevrons and braces, like
> this:
>
> [Tuesday] is a constant literal text value
> <variable> retrieves the value of a variable currently in scope
> {TextReference} retrieves the value from a text reference
>
> Think of the brackets, chevrons and braces as different kinds of quotes
> that indicate how the enclosed content should be handled. This is similar
> to the way wikitext syntax uses [[...]] for literal links,
> {{TextReference}} for transclusion, and <<macroname>> for variables/macros.
> Note however that the filter syntax uses *single* brackets, chevrons, and
> braces, while the wikitext syntax uses *doubled* brackets, chevrons, and
> braces.
>
> Thus, starting with your first example:
> <<list-links filter:"[[Tuesday]next[Days of the Week]]">>
>
> replace the [Tuesday] with {!!title} to use a TextReference to the title
> of the current tiddler:
> <<list-links filter:"[{!!title}next[Days of the Week]]">>
>
> enjoy,
> -e
> Eric Shulman
> TiddlyTools / ELS Design Studios
> InsideTiddlyWiki: The Missing Manuals
>
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