Added an option to run a piece of javascript just after a new insertion.

README.md

@@ -50,6 +50,8 @@ You can optionally also supply:
 
 *:object =>* defaults to creating a new instance of an object using the camel-cased name of the attribute i.e. above that would be ProductVariation.new
 
+*:after_insertion =>* Javascript to be run just after the insertion has been made
+
 remove_nested_fields_for(form_builder, dom_class)
 ------------------------------------------------
 remove_nested_fields_for adds a link to a javascript function that if new, removes the partial, and if existing sets a hidden field _marking it's removal _delete=1, informing rails to delete the record and hides the partial.

add_nested_fields.gemspec

@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |s|
   s.name = %q{add_nested_fields}
-  s.version = "0.1.0"
+  s.version = "0.1.1"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 1.2") if s.respond_to? :required_rubygems_version=
   s.authors = ["Jon Baker. Go Tripod Ltd"]

lib/add_nested_fields.rb

@@ -5,14 +5,15 @@ def add_nested_fields_for(form_builder, field, dom_id, *args)
 			options = {
 				:partial => field.to_s.singularize,
 				:label => I18n.t('add_nested_fields.add') + ' ' + \
-				          I18n.t(field, :scope => [:activerecord, :attributes, form_builder.object.class.to_s.underscore.downcase]).downcase,
+						  I18n.t(field, :scope => [:activerecord, :attributes, form_builder.object.class.to_s.underscore.downcase]).downcase,
 				:object => field.to_s.classify.constantize.new
 			}.merge(args.extract_options!)
 
 			link_to_function("#{options[:label]}") do |page|
 				form_builder.fields_for field, options[:object] , :child_index => 'NEW_RECORD' do |f|
 				html = render(:partial => options[:partial], :locals => { :f => f })
 					page << "$('#{dom_id}').insert({ bottom: '#{escape_javascript(html)}'.replace(/NEW_RECORD/g, new Date().getTime()) });"
+					page << options[:after_insertion] unless options[:after_insertion].blank?
 				end
 			end
 		end
@@ -31,7 +32,7 @@ def remove_nested_fields_for(form_builder, class_id, *args)
 					page << "#{confirm} $(this).up('.#{class_id}').remove()"
 				end
 			else
-				form_builder.hidden_field( :_delete, :value => "0") + link_to_function(options[:label]) do |page|
+				form_builder.hidden_field( :_destroy, :value => "0") + link_to_function(options[:label]) do |page|
 					page << "#{confirm} $(this).up('.#{class_id}').hide();$(this).previous().value = 1"
 				end
 			end