initial commit

README.rdoc

@@ -0,0 +1,4 @@
+== Overview
+
+Details...
+

Rakefile

@@ -0,0 +1,21 @@
+require 'rake/testtask'
+
+Rake::TestTask.new do |test|
+  test.pattern = 'test/**/*_test.rb'
+  test.libs << 'test'
+end
+
+
+begin
+  require "jeweler"
+  Jeweler::Tasks.new do |gem|
+    gem.name = "cheese"
+    gem.summary = "Description of your gem"
+    gem.email = "you@email.com"
+    gem.authors = ["Your Name"]
+    gem.files = Dir["{lib}/**/*", "{app}/**/*", "{config}/**/*"]
+  end
+  Jeweler::GemcutterTasks.new
+rescue
+  puts "Jeweler or dependency not available."
+end

VERSION

@@ -0,0 +1 @@
+0.2.2

app/controllers/cheese/widgets_controller.rb

@@ -0,0 +1,15 @@
+module Cheese
+  class WidgetsController < ApplicationController
+
+    unloadable
+
+    layout 'cheese'  # this allows you to have a gem-wide layout
+
+    def index
+    end
+
+    def show
+    end
+
+  end
+end

app/helpers/application_helper.rb

@@ -0,0 +1,2 @@
+## Look in lib/application_helper.rb
+## I can't figure out how to get it included unless I put it that directory

app/helpers/cheese/widgets_helper.rb

@@ -0,0 +1,9 @@
+module Cheese
+  module WidgetsHelper
+
+    def helper_for_widgets_view
+      "this is coming from a helper method just for the widgets controller"
+    end
+
+  end
+end

app/models/cheese/widget.rb

@@ -0,0 +1,10 @@
+module Cheese
+  class Widget < ActiveRecord::Base
+    set_table_name "cheese_widgets"
+
+    def make
+      puts "widget made"
+    end
+
+  end
+end

app/views/cheese/widgets/index.html.erb

@@ -0,0 +1,5 @@
+widget#index<br>
+<br>
+<%= helper_for_widgets_view %><br>
+<br>
+<%= app_wide_helper_method %>

app/views/cheese/widgets/show.html.erb

@@ -0,0 +1 @@
+widgets#show

app/views/layouts/cheese.html.erb

@@ -0,0 +1,9 @@
+
+<% content_for :content do %>
+
+  <%= stylesheet_link_tag("cheese") %>
+  <%= yield %>
+
+<% end -%>
+
+<%= render :file => 'layouts/application' %>

cheese.gemspec

@@ -0,0 +1,50 @@
+# Generated by jeweler
+# DO NOT EDIT THIS FILE DIRECTLY
+# Instead, edit Jeweler::Tasks in Rakefile, and run the gemspec command
+# -*- encoding: utf-8 -*-
+
+Gem::Specification.new do |s|
+  s.name = %q{cheese}
+  s.version = "0.2.2"
+
+  s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
+  s.authors = ["Your Name"]
+  s.date = %q{2010-09-11}
+  s.email = %q{you@email.com}
+  s.extra_rdoc_files = [
+    "README.rdoc"
+  ]
+  s.files = [
+    "app/controllers/cheese/widgets_controller.rb",
+     "app/helpers/application_helper.rb",
+     "app/helpers/cheese/widgets_helper.rb",
+     "app/models/cheese/widget.rb",
+     "app/views/cheese/widgets/index.html.erb",
+     "app/views/layouts/forums.html.erb",
+     "config/routes.rb",
+     "lib/acts_as_widget/base.rb",
+     "lib/application_helper.rb",
+     "lib/cheese.rb",
+     "lib/engine.rb",
+     "lib/rails/generators/cheese/cheese_generator.rb",
+     "lib/rails/generators/cheese/templates/initializer.rb",
+     "lib/rails/generators/cheese/templates/migration.rb",
+     "lib/rails/generators/cheese/templates/schema.rb",
+     "lib/rails/railties/tasks.rake"
+  ]
+  s.rdoc_options = ["--charset=UTF-8"]
+  s.require_paths = ["lib"]
+  s.rubygems_version = %q{1.3.7}
+  s.summary = %q{Description of your gem}
+
+  if s.respond_to? :specification_version then
+    current_version = Gem::Specification::CURRENT_SPECIFICATION_VERSION
+    s.specification_version = 3
+
+    if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
+    else
+    end
+  else
+  end
+end
+

config/routes.rb

@@ -0,0 +1,12 @@
+Rails.application.routes.draw do |map|
+
+  mount_at = Cheese::Engine.config.mount_at
+
+  match mount_at => 'cheese/widgets#index'
+
+  map.resources :widgets, :only => [ :index, :show ],
+                          :controller => "cheese/widgets",
+                          :path_prefix => mount_at,
+                          :name_prefix => "cheese_"
+
+end

lib/acts_as_widget/base.rb

@@ -0,0 +1,34 @@
+module Cheese
+  module ActsAsWidget
+
+    module Base
+      def self.included(klass)
+        klass.class_eval do
+          extend Config
+        end
+      end
+
+      module Config
+        def acts_as_widget
+
+          # This is where arbitrary code goes that you want to 
+          # add to the class that declared "acts_as_widget"
+
+          has_many :widgets,  :class_name => 'Cheese::Widget'
+
+          include Cheese::ActsAsWidget::Base::InstanceMethods
+        end
+      end
+
+      module InstanceMethods
+
+        def factory_name
+          "this is an example instance method"
+        end
+
+      end # InstanceMethods      
+    end
+  end
+end
+
+::ActiveRecord::Base.send :include, Cheese::ActsAsWidget::Base

lib/application_helper.rb

@@ -0,0 +1,7 @@
+module ApplicationHelper
+
+  def app_wide_helper_method
+    "this is an app-wide helper method that is declared within the gem"
+  end
+
+end

lib/cheese.rb

@@ -0,0 +1,4 @@
+module Cheese
+  require 'engine' if defined?(Rails) && Rails::VERSION::MAJOR == 3
+  require 'acts_as_widget/base'
+end

lib/engine.rb

@@ -0,0 +1,30 @@
+require 'cheese'
+require 'rails'
+require 'action_controller'
+require 'application_helper'
+
+module Cheese
+  class Engine < Rails::Engine
+
+    # Config defaults
+    config.widget_factory_name = "default factory name"
+    config.mount_at = '/'
+
+    # Load rake tasks
+    rake_tasks do
+      load File.join(File.dirname(__FILE__), 'rails/railties/tasks.rake')
+    end
+
+    # Check the gem config
+    initializer "check config" do |app|
+
+      # make sure mount_at ends with trailing slash
+      config.mount_at += '/'  unless config.mount_at.last == '/'
+    end
+
+    initializer "static assets" do |app|
+      app.middleware.use ::ActionDispatch::Static, "#{root}/public"      
+    end
+
+  end
+end

lib/rails/generators/cheese/cheese_generator.rb

@@ -0,0 +1,75 @@
+require 'rails/generators'
+require 'rails/generators/migration'
+
+class CheeseGenerator < Rails::Generators::Base
+  include Rails::Generators::Migration
+
+  def self.source_root
+    File.join(File.dirname(__FILE__), 'templates')
+  end
+
+  def self.next_migration_number(dirname) #:nodoc:
+    if ActiveRecord::Base.timestamped_migrations
+      Time.now.utc.strftime("%Y%m%d%H%M%S")
+    else
+      "%.3d" % (current_migration_number(dirname) + 1)
+    end
+  end
+
+
+  # Every method that is declared below will be automatically executed when the generator is run
+
+  def create_migration_file
+    f = File.open File.join(File.dirname(__FILE__), 'templates', 'schema.rb')
+    schema = f.read; f.close
+
+    schema.gsub!(/ActiveRecord::Schema.*\n/, '')
+    schema.gsub!(/^end\n*$/, '')
+
+    f = File.open File.join(File.dirname(__FILE__), 'templates', 'migration.rb')
+    migration = f.read; f.close
+    migration.gsub!(/SCHEMA_AUTO_INSERTED_HERE/, schema)
+
+    tmp = File.open "tmp/~migration_ready.rb", "w"
+    tmp.write migration
+    tmp.close
+
+    migration_template  '../../../tmp/~migration_ready.rb',
+                        'db/migrate/create_cheese_tables.rb'
+    remove_file 'tmp/~migration_ready.rb'
+  end
+
+  def copy_initializer_file
+    copy_file 'initializer.rb', 'config/initializers/cheese.rb'
+  end
+
+  def update_application_template
+    f = File.open "app/views/layouts/application.html.erb"
+    layout = f.read; f.close
+
+    if layout =~ /<%=[ ]+yield[ ]+%>/
+      print "    \e[1m\e[34mquestion\e[0m  Your layouts/application.html.erb layout currently has the line <%= yield %>. This gem needs to change this line to <%= content_for?(:content) ? yield(:content) : yield %> to support its nested layouts. This change should not affect any of your existing layouts or views. Is this okay? [y/n] "
+      begin
+        answer = gets.chomp
+      end while not answer =~ /[yn]/i
+
+      if answer =~ /y/i
+
+        layout.gsub!(/<%=[ ]+yield[ ]+%>/, '<%= content_for?(:content) ? yield(:content) : yield %>')
+
+        tmp = File.open "tmp/~application.html.erb", "w"
+        tmp.write layout; tmp.close
+
+        remove_file 'app/views/layouts/application.html.erb'
+        copy_file '../../../tmp/~application.html.erb', 
+                  'app/views/layouts/application.html.erb'
+        remove_file 'tmp/~application.html.erb'
+      end
+    elsif layout =~ /<%=[ ]+content_for\?\(:content\) \? yield\(:content\) : yield[ ]+%>/
+      puts "    \e[1m\e[33mskipping\e[0m  layouts/application.html.erb modification is already done."
+    else
+      puts "    \e[1m\e[31mconflict\e[0m  The gem is confused by your layouts/application.html.erb. It does not contain the default line <%= yield %>, you may need to make manual changes to get this gem's nested layouts working. Visit ###### for details."
+    end
+  end
+
+end

lib/rails/generators/cheese/templates/initializer.rb

@@ -0,0 +1,8 @@
+module Cheese
+  class Engine < Rails::Engine
+
+    config.mount_at = '/cheese'
+    config.widget_factory_name = 'Factory Name'
+
+  end
+end

lib/rails/generators/cheese/templates/migration.rb

@@ -0,0 +1,9 @@
+class CreateCheeseTables < ActiveRecord::Migration
+  def self.up
+    SCHEMA_AUTO_INSERTED_HERE
+  end
+
+  def self.down
+    drop_table :cheese_widgets
+  end
+end

lib/rails/generators/cheese/templates/schema.rb

@@ -0,0 +1,11 @@
+ActiveRecord::Schema.define(:version => 0) do
+
+    create_table :cheese_widgets, :force => true do |t|
+      t.string    :title
+      t.datetime  :created_at
+      t.datetime  :updated_at
+    end
+
+    add_index :cheese_widgets, [:title]
+
+end

lib/rails/railties/tasks.rake

@@ -0,0 +1,8 @@
+namespace :cheese do
+
+  desc "example gem rake task"
+  task :report => :environment do
+    puts "you just ran the example gem rake task"
+  end
+
+end

public/stylesheets/cheese.css

@@ -0,0 +1,3 @@
+.cheese {
+  color: red;
+}

test/database.yml

@@ -0,0 +1,4 @@
+mysql:
+  adapter: mysql
+  host: localhost
+  database: cheese_plugin_test

test/fixtures/cheese_widget.yml

@@ -0,0 +1,2 @@
+first:
+  title: This is the title