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Contents
# frozen_string_literal: true
module Primer
module Forms
module Dsl
# :nodoc:
class FormReferenceInput < Input
attr_reader :ref_block, :fields_for_args, :fields_for_kwargs, :nested
alias nested? nested
# Pass `nested: false` to prevent the referenced form fields from being treated as nested
# under the parent form's model. For example, consider these models:
# class User < ActiveRecord::Base
# has_many :addresses
# end
# class Address < ActiveRecord::Base
# belongs_to :user
# end
# A sign-up form might include fields from `User` as well as `Address`. Since addresses are
# associated with users, it's perfectly natural to accept the address fields as nested
# attributes. Rails will name each field accordingly. For example, the `street` field on
# `Address` will be named `user[address][street]`.
# For situations like this where an association exists between two models, the nested
# attributes approach works great. However sometimes all you want is to compose two forms
# together that aren't connected by an association. In such cases the fields will still
# include the name of the parent model, eg. `user[address][street]` instead of what we want,
# `address[street]`. To render the form independent of the parent, pass `nested: false`.
def initialize(*fields_for_args, builder:, form:, nested: true, **fields_for_kwargs, &block)
@fields_for_args = fields_for_args
@fields_for_kwargs = fields_for_kwargs
@nested = nested
@ref_block = block
super(builder: builder, form: form, **fields_for_kwargs)
end
def to_component
FormReference.new(input: self)
end
def name
nil
end
def label
nil
end
def type
:form
end
end
end
end
end
Version data entries
146 entries across 146 versions & 2 rubygems