ruby - Rails 3: User Created custom forms? -

i trying wrap head around how allow user create custom forms field types. if there gem great, cannot seem find 1 anywhere.

so have db setup which:

  t.integer :form_id   t.string :name   t.string :hint   t.integer :position   t.string :field_type   t.boolean :required   t.integer :size   t.boolean :multiple   t.text :values   t.timestamps 

and pretty am. cant think of how iterate thru field_type , return values, associate them forms being filled out.

thanks

i assume have kind of form model, , kind of field model, , form has_many :fields. correct?

building form quite straightforward: retrieve form, iterate on fields, , depending on type, render correct code. if use formtastic or simple_form code pretty straightforward.

but make work, inside controller have create dummy object, has getter , setter fields. use simple hash this, or openstruct (better). while iterating on fields set hash empty or default values.

i think want save results of form? think easiest way use model this

t.form_id :integer t.fields_data :text 

and store entered data in text-field in e.g. json or something.

class formdata   belongs_to :form end  class formdatafield   belongs_to :form_data   belongs_to :form_field end 

while cleanest (you can query on values of filled in fields form), maybe of overhead.