Hello fellow djangonauts,
I'd like to implement an admin page (field, widget, template...
whatever) to edit xml-formatted contents of TextFields. Every child
node of the xml data has to be editable in a *separate* TextField.
Simple example:
I want to store some information about books, but for every book there
is a different set of information available. So I am going to store
the xml-formatted information set into a single TextField.
(Unfortunately it is not possible to split up the information set into
a 1:n-relation - for internal reasons). The only information available
for all books is the book's name. So I define this Book class:
class Book(models.Model):
name = models.CharField('name of the book', max_length=200)
infoset_xml = models.TextField('additional info')
The contents of infoset_xml are expected to look like this:
<infoset>
<info type="author">John Smith</info>
<info type="pagecount">234</info>
</infoset>
or
<infoset>
<info type="publishing_date">>1987-06-05</info>
<info type="pagecount">42</info>
<info type="price">$1,50</info>
</infoset>
The "ordinary user"'s admin page should contain one TextField for the
book's name and one additional TextField for every info-node within
infoset_xml.
The "administrator"'s admin page should contain one TextField for the
book's name and one TextField for editing the raw infoset_xml.
Unfortunately I've failed in implemeting the "ordinary user"'s admin
page (using MultiValueField and MultiWidget, and lxml for xml
parsing). The problem is, that it's not determined how many info-nodes
infoset_xml may contain. So the admin page has to dynamically adapt to
the number of info-nodes.
Is that possible? I'm desperately hoping that somebody can give me a
hint on how to implement it.
TIA and regards,
-Stephan
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