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kaminari--kaminari/lib/generators/kaminari/views_generator.rb
Akira Matsuda 12822c9ee1 generator preserves the directory structure of the loaded theme
this means, a theme can contain assets
2011-04-18 01:47:45 +09:00

103 lines
3.3 KiB
Ruby

module Kaminari
module Generators
SHOW_API = 'http://github.com/api/v2/json/blob/show/amatsuda/kaminari_themes'
ALL_API = 'http://github.com/api/v2/json/blob/all/amatsuda/kaminari_themes/master'
class ViewsGenerator < Rails::Generators::NamedBase
source_root File.expand_path('../../../../app/views/kaminari', __FILE__)
class_option :template_engine, :type => :string, :aliases => '-e', :desc => 'Template engine for the views. Available options are "erb" and "haml".'
def self.banner #:nodoc:
<<-BANNER.chomp
rails g kaminari:views THEME [options]
Copies all paginator partial templates to your application.
You can choose a template THEME by specifying one from the list below:
- default
The default one.
This one is used internally while you don't override the partials.
#{themes.map {|t| " - #{t.name}\n#{t.description}"}.join("\n")}
BANNER
end
desc ''
def copy_or_fetch #:nodoc:
return copy_default_views if file_name == 'default'
themes = self.class.themes
if theme = themes.detect {|t| t.name == file_name}
download_templates theme
else
say %Q[no such theme: #{file_name}\n avaliable themes: #{themes.map(&:name).join ", "}]
end
end
private
def self.themes
begin
@themes ||= open ALL_API do |json|
# @themes ||= open(File.join(File.dirname(__FILE__), '../../../spec/generators/sample.json')) do |json|
files = ActiveSupport::JSON.decode(json)['blobs']
hash = files.group_by {|fn, _| fn[0...(fn.index('/') || 0)]}.delete_if {|fn, _| fn.blank?}
hash.map do |name, files|
Theme.new name, files
end
end
rescue SocketError
[]
end
end
def download_templates(theme)
theme.templates_for(template_engine).each do |template|
say " downloading #{template.name} from kaminari_themes..."
get "#{SHOW_API}/#{template.sha}", template.name
end
end
def copy_default_views
filename_pattern = File.join self.class.source_root, "*.html.#{template_engine}"
Dir.glob(filename_pattern).map {|f| File.basename f}.each do |f|
copy_file f, "app/views/kaminari/#{f}"
end
end
def template_engine
options[:template_engine].try(:to_s).try(:downcase) || 'erb'
end
end
Template = Struct.new(:name, :sha) do
def description?
name == 'DESCRIPTION'
end
def view?
name =~ /^app\/views\//
end
def engine #:nodoc:
File.extname(name).sub /^\./, ''
end
end
class Theme
attr_accessor :name
def initialize(name, templates) #:nodoc:
@name, @templates = name, templates.map {|fn, sha| Template.new fn.sub(/^#{name}\//, ''), sha}
end
def description #:nodoc:
file = @templates.detect(&:description?)
return "#{' ' * 12}#{name}" unless file
open("#{SHOW_API}/#{file.sha}").read.chomp.gsub /^/, ' ' * 12
end
def templates_for(template_engine) #:nodoc:
@templates.select {|t| !t.description?}.select {|t| !t.view? || (t.engine == template_engine)}
end
end
end
end