Hi! I cleaned up your code for you!

README.rdoc

@@ -10,15 +10,15 @@ See tutorial http://www.extjs.com/blog/2009/09/30/ext-js-on-rails-a-comprehensiv
 	% sudo gem install extjs-mvc
 
 <b>Rails Installation:</b>
-In <tt>environment.rb</tt>, 
+In <tt>environment.rb</tt>,
 
     Rails::Initializer.run do |config|
         config.gem "extjs-mvc"
     end
 
 <b>Merb installation:</b>
 In <tt>config/dependencies.rb</tt>, Add extjs-mvc as a new dependency
-	
+
 	dependency "extjs-mvc"
 
 === An ORM Model mixin:  ExtJS::Model
@@ -31,22 +31,22 @@ fields with will be used to render the <tt>Ext.data.Record.create</tt> field-def
     include ExtJS::Model
 
     extjs_fields :exclude => [:password, :password_confirmation]
-    
-    # OR 
+
+    # OR
     extjs_fields :name, :description
-    
+
     # OR
     extjs_fields :only => [:name, :description] # actually the same as above
-    
+
     # OR
     extjs_fields :additional => [:computed] # includes all database columns and an additional computed field
-    
+
     # OR define a column as a Hash
     extjs_fields :description, :name => {"sortDir" => "ASC"}, :created_at => {"dateFormat" => "c"}
-	
+
     # OR render associations, association-fields will have their "mapping" property set automatically
     extjs_fields :name, :description, :company => [:name, :description]
-    
+
     def computed
       name.blank? ? login : name
     end
@@ -73,7 +73,7 @@ E.g. with the following definition:
 
       extjs_fieldset :grid, fields => [:name, :description, :company => [:name, :description]]
       extjs_fieldset :combo, [:full_name]
-  
+
       def full_name
         "#{first_name} #{name}"
       end
@@ -83,7 +83,7 @@ You can get store configs for both representations with
     User.extjs_record(:grid)
 or
     User.extjs_record(:combo)
-    
+
 And the corresponding data for the representations with
     User.first.to_record(:grid)
 or
@@ -97,7 +97,7 @@ The <tt>extjs-mvc</tt> Gem includes a framework agnostic Controller mixin which
     class UsersController < ActionController::Base
         include ExtJS::Controller
     end
-	
+
 === View Helper:  ExtJS::Helpers::Component
 
 <b>usage:</b>

Rakefile

@@ -13,7 +13,7 @@ begin
     gem.add_development_dependency "shoulda"
     gem.add_development_dependency "mocha"
     gem.add_development_dependency "extlib"
-    
+
     gem.test_files = []
     gem.files =  FileList["[A-Z]*", "{bin,generators,lib,test}/**/*", 'lib/jeweler/templates/.gitignore']
 

lib/extjs-mvc.rb

@@ -6,9 +6,9 @@ class MVC
       cattr_accessor :success_property
       cattr_accessor :message_property
       cattr_accessor :root
-      
+
       require 'model/base'
-      
+
       # Detect orm, include appropriate mixin.
       if defined?(ActiveRecord)
         require 'model/active_record'

lib/extjs/data/store.rb

@@ -7,25 +7,25 @@ class Store
 
     def initialize(*params)
       options = params.extract_options!
-      
+
       @config     = options[:config] || {}
       @format     = options[:format] || 'json'
       @fieldset   = options[:fieldset] || :default
       @schema     = options[:schema]
       @proxy      = options[:proxy] || 'http'
       @writer     = options[:writer]
-      @type       = (options[:type].nil?) ? @proxy === 'direct' ? 'Ext.data.DirectStore' : "Ext.data.#{@format.capitalize}Store" : options[:type] 
-      
+      @type       = (options[:type].nil?) ? @proxy === 'direct' ? 'Ext.data.DirectStore' : "Ext.data.#{@format.capitalize}Store" : options[:type]
+
       @controller = self.class.get_controller(options[:controller])
       @model      = self.class.get_model(options[:controller], options[:model])
 
       # Merge Reader/Proxy config
       @config.merge!(reader)
       @config.merge!(proxy)
-      
+
       @config["baseParams"] = {} if @config["baseParams"].nil?
       @config["baseParams"].update("fieldset" => @fieldset)
-      
+
       @config["format"] = @format
 
       # Set storeId implicitly based upon Model name if not set explicitly
@@ -69,7 +69,7 @@ def render(script_tag = true)
         "<script>new #{@type}(#{@config.to_json});#{script}</script>"
       end
     end
-    
+
 private
 
     def self.get_controller(name)
@@ -83,7 +83,7 @@ def self.get_controller(name)
         throw NameError.new("ExtJS::Store failed with an unknown controller named '#{name.to_s}'")
       end
     end
-        
+
     def self.get_model(controller, model)
       unless model.class == Class
         begin
@@ -98,7 +98,7 @@ def self.get_model(controller, model)
       end
       model
     end
-    
+
     def proxy
       proxy = {}
       if @proxy === 'direct'
@@ -117,15 +117,15 @@ def proxy
       end
       proxy
     end
-    
-    def reader 
+
+    def reader
       {
         "successProperty" => @controller.extjs_success_property,
         "root" => @controller.extjs_root,
         "messageProperty" => @controller.extjs_message_property
       }.merge(@schema || @model.extjs_record(@fieldset))
     end
-    
-    
+
+
   end
 end

lib/model/active_record.rb

@@ -4,19 +4,19 @@
 module ExtJS
   module Model
     module ClassMethods
-      
+
       def extjs_primary_key
         self.primary_key.to_sym
       end
-      
+
       def extjs_column_names
         self.column_names.map(&:to_sym)
       end
-      
+
       def extjs_columns_hash
         self.columns_hash.symbolize_keys
       end
-      
+
       ##
       # determine if supplied Column object is nullable
       # @param {ActiveRecord::ConnectionAdapters::Column}
@@ -28,7 +28,7 @@ def extjs_allow_blank(col)
         # new records have no id and thus cannot be valid
         col.name == self.primary_key || col.null
       end
-      
+
       ##
       # returns the default value
       # @param {ActiveRecord::ConnectionAdapters::Column}
@@ -37,15 +37,15 @@ def extjs_allow_blank(col)
       def extjs_default(col)
         col.default
       end
-      
+
       ##
       # returns the corresponding column name of the type column for a polymorphic association
       # @param {String/Symbol} the id column name for this association
       # @return {Symbol}
       def extjs_polymorphic_type(id_column_name)
         id_column_name.to_s.gsub(/_id\Z/, '_type').to_sym
       end
-      
+
       ##
       # determine datatype of supplied Column object
       # @param {ActiveRecord::ConnectionAdapters::Column}
@@ -65,7 +65,7 @@ def extjs_type(col)
         end
         type
       end
-      
+
       ##
       # return a simple, normalized list of AR associations having the :name, :type and association class
       # @return {Array}
@@ -74,8 +74,8 @@ def extjs_associations
         @extjs_associations ||= self.reflections.inject({}) do |memo, (key, assn)|
           type = (assn.macro === :has_many || assn.macro === :has_and_belongs_to_many) ? :many : assn.macro
           memo[key.to_sym] = {
-            :name => key.to_sym, 
-            :type => type, 
+            :name => key.to_sym,
+            :type => type,
             :class => assn.options[:polymorphic] ? nil : assn.class_name.constantize,
             :foreign_key => assn.association_foreign_key.to_sym,
             :is_polymorphic => !!assn.options[:polymorphic]