Shadows

Shadows is a simple ActionView based implementation of the Presenter pattern.

SYNOPSIS

app/models/product.rb

class Product < ActiveRecord::Base
  attach_shadows :assigns => :attributes
end

app/shadows/product/self.html.erb

<%= @name %>

app/shadows/product_shadow.rb

class Product::Shadow < Shadows::Base

  def form
    @product.new_record?? render_shape(:new) : render_shape(:edit)
  end

end

app/controllers/products_controller.rb

class ProductsController < ApplicationController

  def show
    product = Product.find params[:id]
    render :text => product.to_s, :layout => true
  end
  def new
    product = Product.new
    # :render not yet implemented
    product.render :form
  end

  # ...

end

SETUP

$ script/plugin install git://github.com/boof/shadows.git

# or
$ git submodule add git://github.com/boof/shadows.git vendor/plugins/shadows

ROADMAP

1st Version of Shadows:

• should implement Presenter pattern (almost complete)
• should have a Test suite (almost complete)
• should have generators (zero)
• should have documentation (only this file, yet)

Copyright (c) 2009 Florian Aßmann, released under the MIT license