Using inside of a @UiChild

Hello all,

I have a widget is sort of a custom implementation of ValueBoxEditorDecorator.

This widget has a @UiChild method which receives a String for the error message:

@UiChild(limit=1, tagname="errorMessage")

public void setErrorMessage(String errorMessage) {

   this.errorMessage = errorMessage;

}

So, in my ui.xml file, I'd like to use a <ui:msg> tag to set the error message, so that it could eventually be translated.

Obviously, it is not working.

But I can't find a simple tutorial explaining how to make your custom widget accept the result of <ui:msg>. I've inspected the code of classes like Label or Button which frequently have <ui:msg> tags inside, but I can't figure out how they do it. Is it the wrap(Element) static method? I don't want to wrap anything, actually errorMessage isn't the only child of my widget...

Does anyone has any tip on how could I implement this?

Thanks,

--
Tiago Rinck Caveden

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