[tw5] Re: Some coding fun: "check boxes" that add/subtract from same field

[TW Tones]

It is interesting the conversation in the github discussion  issue request 
for a real solution . 

But twMat I think your solution is a* real solution* and does not 
necessarily need a core widget improvement, but it would be good, since 
this could be a common use feature.

I suppose the conversation could/should continue there in github, but I was 
wondering if a simple solution would be if the checkbox widgets checked and 
unchecked fields accepted filters that is they were treated as strings like 
currently unless they start with a "[" and if so first evaluate the filter 
to obtain the value. However the below may be a better solution. Because 
otherwise the two filters may need to match and I am not sure filters can 
handle the two purposes that checked and unchecked provide. 

The trick is these fields are used for two purposes one is to test the 
other is to set the state. This is easily the same thing when a simple 
string toggle is in place, but not if we want to use listops to handle 
multiple values in a field.

Then I thought if the string is prefixed with either a + or a - this 
implies it is a list ops function. So if the checkbox widget encounters a 
string with one of these prefixing it it uses list ops instead.

The following could be applied to any field however it replicates 
manipulating tags.
```<$checkbox field="tags" checked="+mytag" unchecked="-mytag" default=" 
-mytag"> Is it open?```

So if the +mytag was encountered the checked test would be 
`[contains:tags[mytag]]` and the unchecked `[!contains:tags[mytag]]`
and the reverse of the +- is reversed.

The action on click for each would be to provide the "signed value" to the 
listops subfilter.

We should however allow pseudo filters still to be passed eg; "+[[a 
tag/value with spaces]]" or "+[has[fieldname]then[client]else[friend]]" as 
long as they resolved to a string that can be given to the contains test 
and listops subfilter.

What do you think?
Perhaps I post it over there?


On Wednesday, 6 October 2021 at 23:33:53 UTC+11 cj.v...@gmail.com wrote:

> Your images are quite nice.  Besides, "real" checkboxes in HTML, aren't 
> they pretty much images?
>
> I say un-Beta that bad boy.
>
> On Wednesday, October 6, 2021 at 5:56:07 AM UTC-3 Mat wrote:
>
>> Thanks for referencing my old  http://toggle-in-field.tiddlyspot.com/
>>
>> One reason for it to be in beta is because of the (somewhat embarrassing) 
>> use of faux checkboxes (they're images!)
>>
>> I obviously agree there is a need for this, so I made an issue request 
>> for a real solution 
>> . If you agree 
>> with the request, please give it a like or comment in the thread there. I 
>> was hoping this would be solved with the latest TW release but evidently it 
>> was not.
>>
>> <:-)
>>
>

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[tw5] Re: Some coding fun: "check boxes" that add/subtract from same field

[Charlie Veniot]

Your images are quite nice.  Besides, "real" checkboxes in HTML, aren't 
they pretty much images?

I say un-Beta that bad boy.

On Wednesday, October 6, 2021 at 5:56:07 AM UTC-3 Mat wrote:

> Thanks for referencing my old  http://toggle-in-field.tiddlyspot.com/
>
> One reason for it to be in beta is because of the (somewhat embarrassing) 
> use of faux checkboxes (they're images!)
>
> I obviously agree there is a need for this, so I made an issue request 
> for a real solution . 
> If you agree with the request, please give it a like or comment in the 
> thread there. I was hoping this would be solved with the latest TW release 
> but evidently it was not.
>
> <:-)
>

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[tw5] Re: Some coding fun: "check boxes" that add/subtract from same field

[Mat]

Thanks for referencing my old  http://toggle-in-field.tiddlyspot.com/

One reason for it to be in beta is because of the (somewhat embarrassing) 
use of faux checkboxes (they're images!)

I obviously agree there is a need for this, so I made an issue request for 
a real solution . If 
you agree with the request, please give it a like or comment in the thread 
there. I was hoping this would be solved with the latest TW release but 
evidently it was not.

<:-)

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[tw5] Re: Some coding fun: "check boxes" that add/subtract from same field

[Charlie Veniot]

That's a lot fancier than what I was aiming for in much more compact code.  
Pretty cool.

Looks to me like that it is past the "Beta" stage.

On Tuesday, October 5, 2021 at 8:34:42 PM UTC-3 History Buff wrote:

> I've been using the macro found here to do that for quite some time: 
> http://toggle-in-field.tiddlyspot.com/
>
>
>
> On Tuesday, October 5, 2021 at 6:02:09 PM UTC-5 cj.v...@gmail.com wrote:
>
>>
>> Of course, for me, it is always about "brain-age games" (how would I do 
>> "this") and the fun of filters ...
>>
>> Drag the attached into some TiddlyWiki (TiddlyWiki.com!) and give the one 
>> tiddler a gander.
>>
>>
>> [image: Screenshot 2021-10-05 7.58.46 PM.png]
>>
>

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[tw5] Re: Some coding fun: "check boxes" that add/subtract from same field

[History Buff]

I've been using the macro found here to do that for quite some 
time: http://toggle-in-field.tiddlyspot.com/



On Tuesday, October 5, 2021 at 6:02:09 PM UTC-5 cj.v...@gmail.com wrote:

>
> Of course, for me, it is always about "brain-age games" (how would I do 
> "this") and the fun of filters ...
>
> Drag the attached into some TiddlyWiki (TiddlyWiki.com!) and give the one 
> tiddler a gander.
>
>
> [image: Screenshot 2021-10-05 7.58.46 PM.png]
>

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