Symfony: Split up EmbedRelations in form by IDs - symfony1

Question

I'm editing a product and its current properties in a form with embedRelation('ProductProperty'). Everything is good so far. E/R diagram here http://d.pr/1N7R
However, now I want to split up the form and show attribute sets in different AJAX tabs according to its SetID. I still want to have a single 'Save' button, but it is not critical if I need to have multiple. How can I do this?
In my _form.php I'm iterating Sets but I can't seem to get the SetID for the ProductProperty form object. Am I going about this the wrong way?
I'm using symfony 1.4 and Doctrine 1.2. Here is my schema.yml
Product:
tableName: products
actAs:
Timestampable: ~
Sluggable:
unique: true
fields: [title]
canUpdate: true
columns:
id:
type: integer
primary: true
autoincrement: true
category_id:
type: integer
notnull: true
sku:
type: string(50)
notnull: true
title:
type: string(150)
notnull: true
relations:
Category:
foreignType: many
foreignAlias: Products
Property:
tableName: properties
actAs:
Timestampable: ~
Sluggable:
unique: true
fields: [description]
canUpdate: true
columns:
id:
type: integer
primary: true
autoincrement: true
set_id:
type: integer
notnull: true
description:
type: string(100)
notnull: true
relations:
Set:
foreignType: many
foreignAlias: Properties
Set:
tableName: sets
actAs:
Timestampable: ~
columns:
id:
type: integer
primary: true
autoincrement: true
title:
type: string(100)
notnull: true
ProductProperty:
tableName: product_properties
actAs:
Timestampable: ~
columns:
product_id:
type: integer
primary: true
property_id:
type: integer
primary: true
value:
type: text
notnull: true
relations:
Product:
alias: Product
foreignType: many
foreignAlias: ProductProperties
onDelete: cascade
Property:
alias: Property
foreignType: many
foreignAlias: PropertyProperties
onDelete: cascade

Answer 1

I managed to solve this with the help from dustin10 on the #symfony IRC channel (irc.freenode.net). In case anyone else need it, here is the solution:
We added a hidden field in my ProductPropertyForm with the SetID I was trying to retrieve in my form:
$this->setWidget('property_set_id', new sfWidgetFormInputHidden());
$this->setDefault('property_set_id', $this->getObject()->getProperty()->getSetId());
$this->setValidator('property_set_id', new sfValidatorString());
That way I could retrieve the value in my form with:
$eForm['property_set_id']->getValue()
I now have my form separated into multiple tabs with jQuery :) Again, thanks a lot to dustin10 for his help.