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Contents
# frozen_string_literal: true
module EacRailsUtils
module CommonFormHelper
class FormBuilder
class AssociationSelectField
common_constructor :builder, :field_name, :options, default: [{}] do
self.options = options.dup
end
delegate :model_instance, to: :builder
def collection
extract_association_key(:collection, *(
::Rails.version < '5' ? [:all] : %i[klass all]
))
end
def foreign_key
extract_association_key(:foreign_key, (
::Rails.version < '5' ? :association_foreign_key : :join_foreign_key
))
end
def methods
extract_methods(options)
end
def output
builder.send(:field, field_name, options) do
builder.form.collection_select(foreign_key, collection, methods[:value], methods[:text],
select_options, class: 'form-control')
end
end
def select_options
extract_select_options(options)
end
private
def association_reflection
if model_instance.class.respond_to?(:reflect_on_association)
model_instance.class.reflect_on_association(field_name)
else
raise "#{model_instance.class} não possui um método \"reflect_on_association\". " \
"Defina explicitamente a opção :#{key}"
end
end
def extract_methods(options)
{ value: options.delete(:value_method) || :id, text:
options.delete(:text_method) || :to_s }
end
def extract_select_options(options)
options.extract!(:prompt, :include_blank)
end
def extract_association_key(key, *methods)
if options.key?(key)
options.fetch(key)
else
methods.inject(association_reflection) { |a, e| a.send(e) }
end
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems