Added support for button groups - no tests available

Author: thetron

Diff for: Gemfile

@@ -6,8 +6,11 @@ gemspec
 gem 'actionpack', '>= 3.0.5'
 
 group :test do
+  #gem 'rails'
   gem 'rspec'
+  #gem 'rspec-rails'
   gem 'autotest'
   gem 'autotest-growl'
   gem 'capybara', :git => 'https://github.com/jnicklas/capybara.git'
+  gem 'webrat'
 end

Diff for: Gemfile.lock

@@ -13,7 +13,7 @@ GIT
 PATH
   remote: .
   specs:
-    css3buttons (0.0.1)
+    css3buttons (0.7.0)
       actionpack (>= 3.0.5)
 
 GEM
@@ -72,6 +72,10 @@ GEM
       json_pure
       rubyzip
     tzinfo (0.3.25)
+    webrat (0.7.2)
+      nokogiri (>= 1.2.0)
+      rack (>= 1.0)
+      rack-test (>= 0.5.3)
     xpath (0.1.3)
       nokogiri (~> 1.3)
 
@@ -85,3 +89,4 @@ DEPENDENCIES
   capybara!
   css3buttons!
   rspec
+  webrat

Diff for: lib/css3buttons.rb

@@ -5,5 +5,6 @@ module Css3buttons
   module Helpers
     autoload :ButtonHelper, 'css3buttons/helpers/button_helper'
   end
+  autoload :ButtonGroup, 'css3buttons/button_group'
   ActionController::Base.helper(Css3buttons::Helpers::ButtonHelper)
 end

Diff for: lib/css3buttons/button_group.rb

@@ -0,0 +1,38 @@
+module Css3buttons
+  class ButtonGroup
+    attr_reader :template, :button_count
+
+    def initialize(template)
+      @button_count = 0
+      @template = template
+    end
+
+    def render(&block)
+      add_group_classes(template.capture(self, &block)) if block_given?
+    end
+
+    def method_missing(method_name, *args)
+      name = args[0]
+      options = args[1] || {}
+      html_options = args[2] || {}
+      html_options[:class] ||= ""
+      html_options[:class] += " __css3buttons_group_#{@button_count}__"
+      @button_count += 1
+      @template.send(method_name, name, options, html_options)
+    end
+
+    private
+    def add_group_classes(html)
+      (0...@button_count).to_a.each do |index|
+        if index == 0
+          html.gsub! /__css3buttons_group_#{index}__/, "left"
+        elsif index == @button_count - 1
+          html.gsub! /__css3buttons_group_#{index}__/, "right"
+        else
+          html.gsub! /__css3buttons_group_#{index}__/, "middle"
+        end
+      end
+      html
+    end
+  end
+end

Diff for: lib/css3buttons/helpers/button_helper.rb

@@ -2,8 +2,11 @@ module Css3buttons
   module Helpers
     module ButtonHelper
       def button_group(&block)
-        puts "Warning: Css3buttons::Helpers::ButtonHelper.button_group was called but this method is not yet implemented."
-      end      # add the dynamic methods for all button types
+        group = Css3buttons::ButtonGroup.new(self)
+        group.render(&block) if block_given?
+      end
+
+      # add the dynamic methods for all button types
       def self.included(base)
         qualifiers = ["", "positive", "negative", "pill", "positive_pill", "negative_pill"]
         icons = ["link", "book","calendar","chat","check","clock","cog","comment","cross","downarrow","fork","heart","home","key","leftarrow","lock","loop","magnifier","mail","move","pen","pin","plus","reload","rightarrow","rss","tag","trash","unlock","uparrow","user"]

Diff for: spec/button_group_spec.rb

@@ -0,0 +1,15 @@
+require 'spec_helper'
+
+include ActionView::Helpers::UrlHelper
+include Css3buttons::Helpers::ButtonHelper
+
+describe Css3buttons::ButtonGroup do
+  before :each do
+    stub_template "posts/_actions.html.erb" => "<= button_group do\nlink_button_to 'show', '/post/345'\nlink_button_to 'edit', '/post/345/edit'\nlink_button_to 'delete', '/post/345'"
+  end
+
+  it "should add a class of first to the first link" do
+    render
+    puts rendered
+  end
+end

Diff for: spec/spec_helper.rb

@@ -1,6 +1,7 @@
 require 'rubygems'
 require 'bundler/setup'
 
+require 'webrat'
 require 'capybara'
 require 'css3buttons'