Fix Formtastic 1.x compatibility

lib/rails3-jquery-autocomplete.rb

@@ -2,7 +2,8 @@
 require 'rails3-jquery-autocomplete/autocomplete'
 
 module Rails3JQueryAutocomplete
-  autoload :Orm, 'rails3-jquery-autocomplete/orm'
+  autoload :Orm              , 'rails3-jquery-autocomplete/orm'
+  autoload :FormtasticPlugin , 'rails3-jquery-autocomplete/formtastic_plugin'
 
   unless ::Rails.version < "3.1"
     require 'rails3-jquery-autocomplete/rails/engine'

lib/rails3-jquery-autocomplete/formtastic.rb

@@ -2,20 +2,37 @@
 # Load the formtastic plugin if using Formtastic
 begin
   require 'formtastic'
-  module Formtastic
-    module Inputs
-      class AutocompleteInput
-        include Base
-        include Base::Stringish
 
-        def to_html
-          input_wrapping do
-            label_html <<
+  if Formtastic.constants.include?(:VERSION)
+
+    #
+    # Formtastic 2.0
+    #
+
+
+    module Formtastic
+      module Inputs
+        class AutocompleteInput
+          include Base
+          include Base::Stringish
+
+          def to_html
+            input_wrapping do
+              label_html <<
               builder.autocomplete_field(method, options.delete(:url), input_html_options)
+            end
           end
         end
       end
     end
+  else
+
+    #
+    # Formtastic 1.x
+    #
+    class Formtastic::FormBuilder < ActionView::Helpers::FormBuilder
+      include Rails3JQueryAutocomplete::FormtasticPlugin
+    end
   end
 rescue LoadError
 end

lib/rails3-jquery-autocomplete/formtastic_plugin.rb

@@ -0,0 +1,41 @@
+module Rails3JQueryAutocomplete
+  module FormtasticPlugin
+    def autocompleted_input(method, options = {})
+      if options.key?(:selected) || options.key?(:checked) || options.key?(:default)
+        ::ActiveSupport::Deprecation.warn(
+        "The :selected, :checked (and :default) options are deprecated in Formtastic and will be removed from 1.0. " <<
+        "Please set default values in your models (using an after_initialize callback) or in your controller set-up. " <<
+        "See http://api.rubyonrails.org/classes/ActiveRecord/Callbacks.html for more information.", caller)
+      end
+
+      options[:as]     ||= "autocompleted_string"
+
+      html_class = [ options[:as], (options[:required] ? :required : :optional) ]
+      html_class << 'error' if @object && @object.respond_to?(:errors) && !@object.errors[method.to_sym].blank?
+
+      wrapper_html = options.delete(:wrapper_html) || {}
+      # wrapper_html[:id]  ||= generate_html_id(method)
+      wrapper_html[:class] = (html_class << wrapper_html[:class]).flatten.compact.join(' ')
+
+      if options[:input_html] && options[:input_html][:id]
+        options[:label_html] ||= {}
+        options[:label_html][:for] ||= options[:input_html][:id]
+      end
+
+      # input_parts = self.class.inline_order.dup
+      # input_parts = input_parts - [:errors, :hints] if options[:as] == :hidden
+
+      list_item_content = input_parts.map do |type|
+        send(:"inline_#{type}_for", method, options)
+      end.compact.join("\n")
+
+      return template.content_tag(:li, Formtastic::Util.html_safe(list_item_content), wrapper_html)
+    end
+
+
+    protected
+    def autocompleted_string_input(method, options)
+      self.label(method, options_for_label(options)) << autocomplete_field(method, options.delete(:url), options)
+    end
+  end
+end