"Inherit" default fields from a template to a new content type

Hello,

I have to integrate a Poi tracker in my site, and I want to have the ability to
inherit some values existing in the page (template view of another content type)
from I'm calling the creation of a new PoiIssue. (I have isolated the button of
the poi tracker that creates a new PoiIssue).

This is the example problem, but the abstract problem is that: There is a way of
inherit the value of the contents from a template view (from any content type),
to make them avaliable as default content of another content type? Of course,
via a button that calls a script that create the content, one like createObject
script.

I have made progress with the method "invokeFactory" but the problem comes when
I want to use the portal_factory to avoid the creation of empty objects. I have
modified the script createObject, but it is not possible to modify the value of
a field in the portal_factory because it is a temporary object... If we
instantiate the object with the method portal_factory.doCreate(), and then I can
modify the value via its default mutator, but if the user doesn't completes the
form, then one empty object is created...

  new_context = context.portal_factory.doCreate(o, id)
  new_context.setNecessitat('hola')
  return state.set(context=new_context)

Can anyone help me?

Thanks in advance.





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