[Zope3-Users] z3c.forms: Datamanger that combines values of multiple widgets

[Hermann Himmelbauer]

Hi,
I've read the doctests of z3c.forms and have to say that the package is really 
impressive. Many things look a lot cleaner and more customizeable than 
formlib. Thanks!

However, what I don't know is how to read/write values of multiple widgets 
into one context attribute. A common example of this would be a date, which 
is represented by three TextWidgets (rendered as input fields) that hold the 
year, month and day, which is stored into one context attribute of type 
datetime.

What would be the best way to accomplish that?

The reverse seems to be possible, e.g. a datamanger that splits a widget value 
into chunks, which are then stored into seperate context attributes, e.g. via 
a datamanger like "context.user, context.host = 'asdf at email.com'.split('@')".

Best Regards,
Hermann

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