Oh,
This method mentioned later for setting variables to use in edit-list may
be better (although untested)
<$vars
field={{{ [[$field$]is[blank]then<fieldname>] }}}
paramname={{{ [[$paramname$]is[blank]then<varname>] }}}
>
Regards
Tones
On Monday, 26 July 2021 at 17:42:45 UTC+10 Eric Shulman wrote:
> On Monday, July 26, 2021 at 12:02:43 AM UTC-7 TW Tones wrote:
>
>> I thought I had missed this all a long, not that it was in the process of
>> creation.
>>
>
> I created the edit-list macro quite a while ago for use in
> http://TiddlyTools.com/filtergenerators.html, but I've only recently
> completely re-written it to be much more robust and have many new optional
> parameters.
> I've also finally put in the work to document it properly and publish it
> as a stand-alone TiddlyTools URL (http://TiddlyTools.com/edit-list.html)
>
> So these two questions arise;
>>
>> - Can we abolish the ID or make it equal to a
>> *tiddler-title-fieldname* (slugifyeld)?
>>
>> I'm actually doing something like this already. The code currently
> generates an ID by combining the target tiddler title, the target fieldname
> or indexname, an optional ID param, and a system <<qualify>>. To do this,
> I use the following:
> <$vars tid={{{ [[$tiddler$]!match[]else<currentTiddler>] }}}
> re="[^a-zA-Z0-9\-\_]">
> <$vars id={{{ [[$index$]!match[]else[$field$]]
> +[addprefix[/]addprefix<tid>addsuffix[_$id$]] }}}>
> <$vars id={{{
> [<id>search-replace[$:/],[]search-replace:g:regexp<re>,[_]addsuffix<qualify>search-replace[--],[-]]
>
> }}}>
>
> Note that this is somewhat different than using the slugify[] filter
> operator, as my method converts all non-alphanumerics (plus "-" and "_"
> into "_"), and preserves capitalization. In contrast, slugify[] retains
> period "." and converts letters to lower case.
> Retaining "." is not an option for my code, since the id is actually used
> to construct CSS selectors, which use "." as part of their syntax, so it
> can't be part of the ID itself. In any case, without using the *optional*
> "id:..." param, each edit-list instance is very likely to be unique, and
> the "id:..." param is now only needed under very specific circumstances.
>
>>
>> -
>> - Yes I expect I will have multiple edit-list macros in one
>> tiddler, and possibly more than one tiddler displayed at once.
>>
>> See the "id parameter" discussion in the Notes section here:
> https://tiddlytools.com/edit-list.html#TiddlyTools%2FMacros%2Fedit-list%2FInfo
>
> for more details
>
>>
>> - Is there any way I could avoid passing the same parameter=value
>> pairs every time? such that I need only set the other parameters?
>> - field=<<fieldname>>
>> filter=<<field-values-filter>> placeholder=<<field.placeholder>>
>> tooltip=<<field-tooltip>>
>> - I could make a custom version of edit-list perhaps by modifying
>> the $vars widget?
>>
>> Elsewhere I have used a design pattern where if the parameter is
>> provided, use it eg $parameter$, if the parameter is not provided eg
>> emptyValue use another source.
>> eg; field parameter has no value use <<fieldname>>
>>
> Is it correct then *if following the $vars widget in edit list* I could
>> specify something like this?
>> <$set name=field value=<<field>> emptyValue=<<fieldname>> >
>> <$set name= filter value=<<filter>> emptyValue=<<field-values-filter>> >
>> <$set name= placeholder value=<<placeholder>> emptyValue=
>> <<field.placeholder>> >
>> <$set name=tooltip value=<<tooltip>> emptyValue=<<field-tooltip>> >
>>
> Then before the closure of $vars place </$set></$set></$set></$set> *can
>> you tell me where this is?*
>>
>
> Here's a neat little trick: if the <$vars> are declared at the top level
> of the macro definition (i.e., not nested within some other widgets or
> HTML), then they are all automatically closed when the end of the macro is
> reached. Thus, I only need to declare the <$vars> (or <$set>) and don't
> have to worry about having any matching </$vars> (or </$set>)
>
>
>> It would become possible for pesky designer like me to edit the edit-list
>> macro to make use of my own variables, rather than parameters by providing
>> a variable in the matching set parameter, however if the $paramname$ is set
>> it will still behave as advertised/documented?
>>
>> Then I could simply use <<edit-list>> OR <$macrocall $name=edit-list
>> *[additional
>> parameter values]* /> and my default variables will be used.
>>
>
> This is an interesting approach.
>
> *I really appreciate your self documenting and well laid out macro*, it
>> makes it possible for me to modify, or more importantly ask you for this
>> feature, while presenting an actual mechanism, hopefully to make such a
>> modification possible. If you can do this I may revisit my field
>> definitions and allow them to set the variables needed by the edit-list
>> macro if desired, making it much simpler to use, because I can guide the
>> user to providing the parameters needed to the edit-list macro.
>>
>
> Let me give it a try and see how well I can make it work.
>
> -e
>
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