David,
Herre is a little code from and existing solution I built
The fieldnames are extracted from the data tiddler and a list of only those
"checked" is displayed in read only view, in edit view a checkbox is
presented for all fieldnames.
This is read only/view
<$list filter="[[$:/data/industry-experience-fields]indexes[]]"
variable=fieldname>
<$list filter="[all[current]get<fieldname>match[yes]]" variable=nul>
<$text text={{{ [[$:/data/industry-experience-fields]getindex
<fieldname>] }}}/><br>
</$list>
</$list>
This is edit or checkbox mode
<$list filter="[[$:/data/industry-experience-fields]indexes[]]"
variable=fieldname>
<$checkbox field=<<fieldname>> checked="yes" unchecked="no"
default="no"> <$text text={{{ [[$:/data/industry-experience-fields]getindex
<fieldname>] }}}/></$checkbox><br>
</$list>
Regards
Tony
On Tuesday, March 17, 2020 at 1:02:36 AM UTC+11, David wrote:
>
> Summary:
>
> I'd like to have a list of checkboxes, for a grocery list, that pull data
> from a DataTiddler.
>
>
> Detail:
>
> I have items I shop for every week and I thought I'd create a tiddler to
> allow me to uncheck and check items as I shopped.
>
>
> - I'd like the *state *of the checkboxes to be stored somehow, I'm not
> picky where. Simpler may be better.
> - I'd like it to pull the list of items from a *DataTiddler*. I think
> separating the display code from the data would be nice, and I can also
> learn about DataTiddlers at the same time. I'm thinking I don't care if
> the state of each checkbox is stored in the DataTiddler or in the tiddler
> with the logic. I guess ideally it would be in the DataTiddler, but at
> this point if it is simpler I don't have to. I have an example where the
> state of each box is stored in the logic tiddler's field, which works.
> - If the data could be stored in more of a CSV style, that would be
> nice as well, but not essential.
>
> I've done a good bit of searching on DataTiddlers and indexes and have
> found some help, but not a lot. Here's some code that gives me what I
> want, but obviously I'd rather not have to add more checkbox commands for
> each new item I put in the dataTiddler. I know I can loop over this
> somehow, right?
>
> But I was unable to find how to successfully loop over the keys in a
> Dictionary Tiddler.
>
> This works, but is not dynamic...
>
> <$checkbox field="item1"
> checked='val1'>{{ShoppingSamsClubData##item_01}}</$checkbox>
> <$checkbox field="item2"
> checked='val2'>{{ShoppingSamsClubData##item_02}}</$checkbox>
>
> And here are the contents of the data tiddler....
>
> item_01: Rice
> item_02: Milk
>
> *type: application/x-tiddler-dictionary*
>
>
>
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