Contents

module BestInPlace
  module DisplayMethods  #:nodoc:
    module_function

    class Renderer < Struct.new(:opts)
      def render_json(object)
        case opts[:type]
          when :model
            { display_as: object.send(opts[:method]) }.to_json
          when :helper
            value = if opts[:helper_options]
                      BestInPlace::ViewHelpers.send(opts[:method], object.send(opts[:attr]), opts[:helper_options])
                    else
                      BestInPlace::ViewHelpers.send(opts[:method], object.send(opts[:attr]))
                    end
            { display_as: value }.to_json
          when :proc
            { display_as: opts[:proc].call(object.send(opts[:attr])) }.to_json
          else
            '{}'
        end
      end
    end

    @@table = Hash.new { |h, k| h[k] = Hash.new(&h.default_proc) }

    def lookup(klass, attr)
      foo = model_attributes(klass)[attr.to_s]
      foo == {} ? nil : foo
    end

    def add_model_method(klass, attr, display_as)
      model_attributes(klass)[attr.to_s] = Renderer.new method: display_as.to_sym, type: :model
    end

    def add_helper_method(klass, attr, helper_method, helper_options = nil)
      model_attributes(klass)[attr.to_s] = Renderer.new method: helper_method.to_sym, type: :helper, attr: attr, helper_options: helper_options
    end

    def add_helper_proc(klass, attr, helper_proc)
      model_attributes(klass)[attr.to_s] = Renderer.new type: :proc, attr: attr, proc: helper_proc
    end

    def model_attributes(klass)
      key = Utils.object_to_key(klass)
      @@table[key]
    end
  end
end

Version data entries

10 entries across 10 versions & 2 rubygems

Version	Path
best_in_place-3.1.1	lib/best_in_place/display_methods.rb
best_in_place-3.1.0	lib/best_in_place/display_methods.rb
in_place_edit_with_datepicker-1.0.0	lib/best_in_place/display_methods.rb
in_place_edit_with_datepicker-0.0.2	lib/best_in_place/display_methods.rb
in_place_edit_with_datepicker-0.0.1	lib/best_in_place/display_methods.rb
best_in_place-3.0.3	lib/best_in_place/display_methods.rb
best_in_place-3.0.2	lib/best_in_place/display_methods.rb
best_in_place-3.0.1	lib/best_in_place/display_methods.rb
best_in_place-3.0.0	lib/best_in_place/display_methods.rb
best_in_place-3.0.0.rc1	lib/best_in_place/display_methods.rb