I have a requirement to create a message based on the user selecting a
message type. Each message type has a fixed text component and a set of
zero, one, or more variable components.
Ideally, I'd like the user to select the message type from a list and have
the form dynamically display zero, one, or more fields for entering each
variable component without posting back the entire page. I've researched
LOAD and Ajax options in the book, along with using a field type of
list:string, but I haven't defined a good approach. I've also read about
the conditional fields but not how to have a dynamic set of conditional
fields.
Worst case, I could just postback the form and display a page with the new
form for that message type (and make the message type read only).
Any ideas? Thanks.
Here is the base model ...
db.define_table('msg_typ',
Field('msg_typ_id'),
Field('msg_typ_name'),
Field('msg_typ_body'),
Field('msg_typ_vars', type='list:string'),
format='%(msg_typ_name)s',
migrate=True)
db.define_table('msg',
Field('msg_typ', type='reference msg_typ'),
Field('msg_vars', type='list:string'), # ideally, this would be a
dictionary with the vars from the msg_typ table along with their values
migrate=True)
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