Add fallback option for custom label

[bjarnef]

The custom labels works very well. However when there is no relation it doesn't seem to render the macro, so you just have a blank value i content section.

If not rendering the macro, when there is no relation, then maybe add an extra property to custom label property editor, where you e.g. can write a fallback message like "There is no relations to any member".

https://our.umbraco.org/projects/backoffice-extensions/nupickers/questionssuggestions/61013-Display-Custom-Label-when-no-item-is-selected

[bjarnef]

It might also be useful to add a preloader since it might take a few seconds to render the macro for a custom label (depending on the complexity of the macro).

[Hendy]

Hi @bjarnef yes, a fallback label option for all of the label property-editors for when the result set is empty would be really good - want to take it on ?

If the macro were to be called for an empty result set, the key and label parameters would be null, so this would be a breaking change, (but the check in macro could be done on the total parameter).

I'll create a new issue for the preloader.

[bjarnef]

Hi @Hendy

Not sure how to solve this, but when Relation Labels https://github.com/uComponents/nuPickers/wiki/Property-Editor-Relation-Labels I noticed to only render the macro when there exists a relation.

So any additional static text in the macro partical view doesn't seem to render.

[Hendy]

Hi @bjarnef,

Yes that is correct, currently the macro is called for each item in the result set, so if the result set is empty, the macro will not be called.

[bjarnef]

Maybe is could use a localized key as a empty/no results text ... or a fallback message from a property config property - however I don't think dictionary items in datatype config are supported in Umbraco. I my package Switcher I solved in like in 4th screenshot by replacing it with the localized value.
https://our.umbraco.org/projects/backoffice-extensions/switcher/

However solving it in this ways it will probably only display a textstring and not has the option to present it in a other style, e.g. a picker user or member as an empty default avatar: https://www.gravatar.com/avatar/00000000000000000000000000000000?d=mm&f=y