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module Reform::Form::ActiveModel
# Including FormBuilderMethods will allow using form instances with form_for, simple_form, etc.
# in Rails. It will further try to translate Rails' suboptimal songs_attributes weirdness
# back to normal `songs: ` naming in +#valiate+.
module FormBuilderMethods
def self.included(base)
base.extend ClassMethods # ::model_name
end
module ClassMethods
private
# TODO: add that shit in Form#present, not by overriding ::property.
def property(name, options={}, &block)
super.tap do |definition|
add_nested_attribute_compat(name) if definition[:nested] # TODO: fix that in Rails FB#1832 work.
end
end
# The Rails FormBuilder "detects" nested attributes (which is what we want) by checking existance of a setter method.
def add_nested_attribute_compat(name)
define_method("#{name}_attributes=") {} # this is why i hate respond_to? in Rails.
end
end
# Modify the incoming Rails params hash to be representable compliant.
def deserialize!(params)
# this only happens in a Hash environment. other engines have to overwrite this method.
schema.each do |dfn|
rename_nested_param_for!(params, dfn)
end
super(params)
end
private
def rename_nested_param_for!(params, dfn)
name = dfn[:name]
nested_name = "#{name}_attributes"
return unless params.has_key?(nested_name)
value = params["#{name}_attributes"]
value = value.values if dfn[:collection]
params[name] = value
end
end
end
Version data entries
18 entries across 18 versions & 2 rubygems