Button to remove value from field, applied via template

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1

In my ongoing journey to build my Gift Ideas notebook, I’m using a template to display on each tiddler tagged as gift, a draggable list of the to-gift field :

<$macrocall 
$name=list-links-draggable
tiddler=<<currentTiddler>> 
field=to-gift 
itemTemplate=.itemTemplateGiftToGift />

That works just fine. What doesn’t work is what I’m typing in the .itemTemplateGiftToGift to include an × that should remove that entry from the to-gift field:

<$button 
class='tc-btn-invisible tc-btn-mini  tc-small-gap-right'
actions="""<$action-listops $tiddler=<<currentTiddler>> $field="to-gift" $subfilter="-[{!!title}]"/>""">
{{$:/core/images/close-button}}
</$button> <$link/>

I’ve also tried bringing the action-listops outside the button as such:

<$button 
class='tc-btn-invisible tc-btn-mini  tc-small-gap-right'>
{{$:/core/images/close-button}}
<$action-listops $tiddler=<<currentTiddler>> $field="to-gift" $subfilter="-[{!!title}]"/>
</$button> <$link/>

The × doesn’t remove the entries as I thought it would/should. Here’s what looks OK, but doesn’t work OK (I haven’t yet added the × to the list on the right):

image
image766×548 24.8 KB

2

Just a guess.

<$action-listops $tiddler=<<currentTiddler>> $field="to-gift" $subfilter="-[<currentTiddler>]"/>

3

That doesn’t seem to work, either from within or from outside the <$button> parameters.

Due to the various references and templating, I’m a little confused on what <<currentTiddler>> means at that point. The chain of itemTemplate ← list-links-draggable macro ← viewTemplate ← actual gift tiddler. I guess it’s the final gift tiddler? If so, why wouldn’t using {!!title} be the same?

4

Exactly my thought (after having been is similar situations many times). You can add a {{!!title}} just next to the little x for a peek at that value. If that in deed is the problem, you can just $let curr=<<currentTiddler>> somewhere outside the whole construct to use it later inside.

1 Like
5

What a brilliant idea, this is what I did and I found out that both {!!title} and <currentTiddler> pointed to the current gift, not the current person.

I first defined a variable as you suggested in the viewTemplate, than I adjusted the .itemTemplate as follows (adding the extra debugging and most importantly adding a $tiddler parameter pointing to the <<curr>> variable):

<$button 
class='tc-btn-invisible tc-btn-mini  tc-small-gap-right'
actions=""" <$action-listops $tiddler=<<curr>> $field="to-gift" $subfilter="-[<currentTiddler>]"/> """
style="text-align: left">
- `{{!!title}}`: {{!!title}} <br/>
- `<currentTiddler>`: <<currentTiddler>> <br/>
- `curr`: <<curr>> <br/>
{{$:/core/images/close-button}}
</$button>
<$link/>

Produced this ugly but very informative view:

image
image957×694 33.8 KB

I adjusted the final button with the $tiddler parameter and now it works as required!

Once again thank you for the idea!

6

:laughing: yeah thats what my tiddlers look all the time when I code in TW. I can barely take cred for that idea though, I’m pretty sure that’s just “how people do it” when bug hunting.

7

BTW, one should also know of the tiddlerwidget in these situations, allowing for e.g <$tiddler tiddler=<<curr>> > (…which, come to think of it, probably would be exactly the same as doing $let currentTiddler=<<curr>>). I’m not saying this is necessary for your case, it is just a general technique.