Since the checkbox flips the state field before calling actions, you could
use a reveal widget to limit the actions to either one state or the other.
Like:
\define myactions()
<$reveal state="mystate!!checked" type="match" text="YES">
<$fieldmangler>
<$action-setfield $field="tags" $value=<<tag>> /><$action-sendmessage
$message="tm-add-tag" $param=<<tag>> />
</$fieldmangler>
</$reveal>
\end
<$set filter="[[Features]] [[Encryption]] +[tags[]]" name="tag">
<$checkbox actions=<<myactions>> tiddler="mystate" field="checked" checked=
"YES" unchecked="NO" >
Add tags from tiddlers [[Features]] and [[Encryption]]
</$checkbox>
</$set>
It seems to work in my tests. On the first click it sets the tags as
expected. Open the tiddler. Delete the tags. Close the tiddler Now uncheck
the box, and tags are not added back.
-- Mark
On Friday, July 27, 2018 at 1:57:47 AM UTC-7, Hubert wrote:
>
> Hi all,
>
> We can now assign actions to checkboxes that will be triggered when
> checking/unchecking the checkbox, as in this example
> <https://tiddlywiki.com/static/CheckboxWidget.html>.
>
> It seems that (by design?) the same assigned set of actions will be
> triggered whether the checkbox is checked or unchecked.
>
> Has anyone found a way to assign a *different *set of actions depending
> on whether the checkbox is checked or unchecked (one set of actions for
> 'checked', another one for 'unchecked')?
>
> Thank you!
>
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