Contents

module Reform
  class Contract
    module Setup
      def initialize(model)
        @model  = model # we need this for #save.
        @fields = setup_fields  # delegate all methods to Fields instance.
      end

      # Setup#to_hash will create a nested hash of property values from the model.
      # Nested properties will be recursively wrapped in a form instance.
      def setup_representer
        self.class.representer(:setup) do |dfn| # only nested forms.
          dfn.merge!(
            :representable => false, # don't call #to_hash, only prepare.
            :prepare       => lambda { |model, args| args.binding[:form].new(model) } # wrap nested properties in form.
          )
        end
      end

      def setup_fields
        representer = setup_representer.new(aliased_model)
        options     = setup_options(Reform::Representer::Options[]) # handles :empty.

        # populate the internal @fields set with data from the model.
        create_fields(mapper.fields, representer.to_hash(options))
      end

      def create_fields(field_names, fields)
        Fields.new(field_names, fields)
      end

      module SetupOptions
        def setup_options(options)
          options
        end
      end
      include SetupOptions


      module Readable
        def setup_options(options)
          empty_fields = mapper.representable_attrs.find_all { |d| d[:_readable] == false }.collect  { |d| d.name.to_sym }

          options.exclude!(empty_fields)
        end
      end
      include Readable
    end
  end # Setup
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
reform-1.2.6	lib/reform/contract/setup.rb
reform-1.2.5	lib/reform/contract/setup.rb
reform-1.2.4	lib/reform/contract/setup.rb
reform-1.2.3	lib/reform/contract/setup.rb
reform-1.2.2	lib/reform/contract/setup.rb
reform-1.2.1	lib/reform/contract/setup.rb