MultiSelectWidget can't be empty if AJAX is active.

Hello,

 

I have problems with a MultiSelect Widget in edit mode, when no item is selected, clicking "Save Changes" returns the message "Invalid multiple selection". The fact is that what cpsdocument_edit_render receives is [''] instead of [], the vocabulary used has no key like the empty string and the widget does not validates.

I think this bug is due to the serialization done in cpsdocument.js in the "sendForm" function, but I'm not sure. 

 

Should sendForm serialize only those fields that are not empty? Do you have some idea for this?

 

Thank you very much.

 

JoseLuis de la Rosa Triviño 
Técnico de Desarrollo Software 
FUNDACIÓN IAVANTE 
joseluis.rosa-PttKq6FmaWE8QMA/Cy+x5VaTQe2KTcn/@public.gmane.org 
Tel. 951 015 300 

 

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