revamping

  def backtrack(state)
    super
    state.add_ivar(self, :@count, @count)
  end

$LOAD_PATH.unshift "../lib"
require 'rubygems'
require 'wee'
require 'demo/messagebox'

class MainPage < Wee::Component

  def initialize
    super
    add_decoration(Wee::PageDecoration.new("Test"))
  end

  def click
    if callcc Wee::MessageBox.new('Really quit?')
      callcc Wee::MessageBox.new('You clicked YES')
    else
      callcc Wee::MessageBox.new('You clicked Cancel')
      callcc Wee::MessageBox.new('super')
    end
  end

  def render(r)
    r.anchor.callback_method(:click).with('show')
  end

end

Wee.runcc(MainPage)

    #
    # Similar to method #call, but using continuations.
    #
    def callcc(component)
      delegate = Wee::Delegate.new(component)
      answer = Wee::AnswerDecoration.new

      add_decoration(delegate)
      component.add_decoration(answer)

      answ = Kernel.callcc {|cc|
        answer.answer_callback = cc
        session.send_response(nil)
      }

      remove_decoration(delegate)
      component.remove_decoration(answer)
      return *answ.args
    end

<script type="text/javascript">
$.jGrowl.defaults.position = 'center';
<% if flash[:notice] %>
$.jGrowl('<%= flash[:notice] %>', { header: 'notification', theme: 'iphone', life: 1000 });
<% end %>
</script>

body > div.jGrowl.center {
        top:                            250px;
        left:                           250px;
        width:                          0%;
}

require 'yads'

# Include hook code here                 
module ActionView
  module Helpers
    module DateHelper
      def date_select(object_name, method, options = {}, html_options = { })
        options[:size] ||= 12
        html = InstanceTag.new(object_name, method, self, options.delete(:object)).to_input_field_tag("text", options)
        js = <<EOS

<script> 
$('##{object_name}_#{method}').datepicker({  dateFormat: 'yy-mm-dd'});
</script>
EOS
        html.concat(js)
      end
    end  
  end  
end

def evaluate_init_rb(initializer)
  if has_init_file?
    silence_warnings do
      # Allow plugins to reference the current configuration object
      config = initializer.configuration
      
      eval(IO.read(init_path), binding, init_path)
    end
  end
end 

module ActionView
  module Helpers
    module DateHelper

module ::ActionView
  module Helpers
    module DateHelper

  <p>
    <%= f.label :atdate %><br />
    <%= f.date_select :atdate %>
  </p>

module ActionView
  module Helpers
    module DateHelper
      def date_select(object_name, method, options = {}, html_options = { })
        options[:size] ||= 12
        html = InstanceTag.new(object_name, method, self, options.delete(:object)).to_input_field_tag("text", options)
        js = <<EOS
                                                                               
<script>                                               
 $('##{object_name}_#{method}').datepicker({dateFormat: 'yy-mm-dd'});  
</script>                                                                      
EOS
        html.concat(js)
      end
    end  
  end  
end

  <%= stylesheet_link_tag 'scaffold', 'jquery/ui-lightness/jquery-ui-1.7.2.custom.css' %>
  <script type="text/javascript" src="/javascripts/jquery/jquery-1.3.2.min.js"></script>
  <script type="text/javascript" src="/javascripts/jquery/jquery-ui-1.7.2.custom.min.js"></script>

require 'yads'

<h1>編集 <%= singular_name %></h1>

<%% form_for(@<%= singular_name %>) do |f| %>
  <%%= f.error_messages %>

<% for attribute in attributes -%>
  <p>
    <%%= f.label :<%= attribute.name %> %><br />
    <%%= f.<%= attribute.field_type %> :<%= attribute.name %> %>
  </p>
<% end -%>
  <p>
    <%%= f.submit 'Update' %>
  </p>
<%% end %>

<%%= link_to 'Show', @<%= singular_name %> %> |
<%%= link_to 'Back', <%= plural_name %>_path %>

def field_type
  @field_type ||= case type
    when :integer, :float, :decimal   then :text_field
    when :datetime, :timestamp, :time then :datetime_select
    when :date                        then :date_select
    when :string                      then :text_field
    when :text                        then :text_area
    when :boolean                     then :check_box
    else
      :text_field
  end      
end

def default
  @default ||= case type
    when :integer                     then 1
    when :float                       then 1.5
    when :decimal                     then "9.99"
    when :datetime, :timestamp, :time then Time.now.to_s(:db)
    when :date                        then Date.today.to_s(:db)
    when :string                      then "MyString"
    when :text                        then "MyText"
    when :boolean                     then false
    else
      ""
  end      
end

def fields_for(record_or_name_or_array, *args, &block)
...
  builder = options[:builder] || ActionView::Base.default_form_builder
  yield builder.new(object_name, object, self, options, block)
end

masayuki@ubuntu-vm:~/work/rails/shrimp$ rake rails:update:configs
(in /home/masayuki/work/rails/shrimp)
rake aborted!
undefined method `>=' for nil:NilClass
/home/masayuki/work/rails/shrimp/Rakefile:4:in `require'
(See full trace by running task with --trace)

masayuki@ubuntu-vm:~/work/rails/shrimp$ rake rails:update:configs
(in /home/masayuki/work/rails/shrimp)
rake aborted!
/usr/local/ruby-1.9.1-p129/lib/ruby/gems/1.9.1/gems/gettext-1.93.0/lib/gettext/iconv.rb:102: invalid multibyte char…
/usr/local/ruby-1.9.1-p129/lib/ruby/gems/1.9.1/gems/gettext-1.93.0/lib/gettext/iconv.rb:102: invalid multibyte char…
/usr/local/ruby-1.9.1-p129/lib/ruby/gems/1.9.1/gems/gettext-1.93.0/lib/gettext/iconv.rb:102: syntax error, …
  puts Iconv.iconv("EUC-JP", "UTF-8", "ほげ").join

gettext_rails provides the localization for Ruby on Rails-2.3 or later using Ruby-GetText-Package. 

undefined method `cache_template_extensions=' for ActionView::Base:Class

$ gem install heroku

$ heroku keys:add

$ rails foobar
$ cd foobar
$ git init && git add . && git commit -m "first commit"

$ heroku create

$ heroku destroy hollow-ice-37
$ heroku create foobar(実際はアプリの名前)
$ git push heroku master

Missing the Rails 2.1.1 gem. Please `gem install -v=2.1.1 rails`, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed.

$ script/generate scaffold task name:string start:datetime end:datetime owner:integer
$ rake db:migrate
$ script/server

$ heroku logs
==> log/production.log <==
# Logfile created on Thu Jun 18 11:14:08 -0700 2009

Processing TasksController#index (for 59.156.119.10 at 2009-06-18 11:14:17) [GET]

ActiveRecord::StatementInvalid (PGError: ERROR:  relation "tasks" does not exist
: SELECT * FROM "tasks" ):
  app/controllers/tasks_controller.rb:5:in `index'
  /home/heroku_rack/lib/static_assets.rb:9:in `call'
  /home/heroku_rack/lib/last_access.rb:15:in `call'
  thin (1.0.1) lib/thin/connection.rb:80:in `pre_process'
  thin (1.0.1) lib/thin/connection.rb:78:in `catch'
  thin (1.0.1) lib/thin/connection.rb:78:in `pre_process'
  thin (1.0.1) lib/thin/connection.rb:57:in `process'
  thin (1.0.1) lib/thin/connection.rb:42:in `receive_data'
  eventmachine (0.12.6) lib/eventmachine.rb:240:in `run_machine'
  eventmachine (0.12.6) lib/eventmachine.rb:240:in `run'
  thin (1.0.1) lib/thin/backends/base.rb:57:in `start'
  thin (1.0.1) lib/thin/server.rb:150:in `start'
  thin (1.0.1) lib/thin/controllers/controller.rb:80:in `start'
  thin (1.0.1) lib/thin/runner.rb:173:in `send'
  thin (1.0.1) lib/thin/runner.rb:173:in `run_command'
  thin (1.0.1) lib/thin/runner.rb:139:in `run!'
  thin (1.0.1) bin/thin:6
  /usr/local/bin/thin:19:in `load'
  /usr/local/bin/thin:19

$ heroku rake db:migrate

script/plugin install git://github.com/timcharper/role_requirement.git

script/generate roles Role User 

mysql> desc roles;
+-------+--------------+------+-----+---------+----------------+
| Field | Type         | Null | Key | Default | Extra          |
+-------+--------------+------+-----+---------+----------------+
| id    | int(11)      | NO   | PRI | NULL    | auto_increment | 
| name  | varchar(255) | YES  |     | NULL    |                | 
+-------+--------------+------+-----+---------+----------------+
2 rows in set (0.00 sec)

mysql> desc roles_users;
+---------+---------+------+-----+---------+-------+
| Field   | Type    | Null | Key | Default | Extra |
+---------+---------+------+-----+---------+-------+
| role_id | int(11) | YES  | MUL | NULL    |       | 
| user_id | int(11) | YES  | MUL | NULL    |       | 
+---------+---------+------+-----+---------+-------+
2 rows in set (0.00 sec)

class RolesController < ApplicationController
  layout "master"
  before_filter :login_required
  require_role "admin"

$ apt-get install subversion

$ cap deploy:cold

..
 ** [wrap-trap.net :: out] svn: Can't make directory '/opt/shrimp/releases/20090604151717': Permission denied
..

$ cap deploy:setup
  * executing `deploy:setup'
  * executing "sudo -p 'sudo password: ' mkdir -p /opt/shrimp /opt/shrimp/releases /opt/shrimp/shared
 /opt/shrimp/shared/system /opt/shrimp/shared/log /opt/shrimp/shared/pids && sudo -p 'sudo password: '
 chmod g+w /opt/shrimp /opt/shrimp/releases /opt/shrimp/shared /opt/shrimp/shared/system /opt/shrimp/
shared/log /opt/shrimp/shared/pids"
    servers: ["wrap-trap.net"]
    [wrap-trap.net] executing command
 ** [out :: wrap-trap.net] 
    command finished

set :runner, 'masayuki'
set :group, 'users'
set :use_sudo, true
...
after 'deploy:setup' do
  try_sudo "chown -Rf #{runner}:#{group} #{deploy_to}"
end

task :after_symlink do
  %w{database.yml envrinment.rb}.each do |f|
    run "cp -f #{shared_path}/files/#{f} #{current_path}/config/#{f}"
  end
  %w{production.rb}.each do |f|
    run "cp -f #{shared_path}/files/#{f} #{current_path}/config/environments/#{f}"
  end 
end