:params option for the paginator

this overrides each pagination link's url_for option

lib/kaminari/helpers.rb

@@ -3,10 +3,11 @@ require File.join(File.dirname(__FILE__), 'tags')
 module Kaminari
   module Helpers
     class PaginationRenderer
-      attr_reader :options
+      attr_reader :options, :params
 
       def initialize(template, options) #:nodoc:
         @template, @options = template, options
+        @params = options[:params] ? template.params.merge(options.delete :params) : template.params
         @left, @window, @right = (options[:left] || options[:outer_window] || 1), (options[:window] || options[:inner_window] || 4), (options[:right] || options[:outer_window] || 1)
       end
 
@@ -104,6 +105,7 @@ module Kaminari
     # * <tt>:outer_window</tt> - The "outer window" size (1 by default).
     # * <tt>:left</tt> - The "left outer window" size (1 by default).
     # * <tt>:right</tt> - The "right outer window" size (1 by default).
+    # * <tt>:params</tt> - url_for parameters for the links (:controller, :action, etc.)
     # * <tt>:remote</tt> - Ajax? (false by default)
     # * <tt>:ANY_OTHER_VALUES</tt> - Any other hash key & values would be directly passed into each tag as :locals value.
     def paginate(scope, options = {}, &block)

spec/helpers/helpers_spec.rb

@@ -2,7 +2,7 @@ require File.expand_path('../spec_helper', File.dirname(__FILE__))
 include Kaminari::Helpers
 
 describe 'Kaminari::Helpers::PaginationRenderer' do
-  let :renderer do
+  let :template do
     stub(r = Object.new) do
       render.with_any_args
       params { {} }
@@ -10,9 +10,15 @@ describe 'Kaminari::Helpers::PaginationRenderer' do
     end
     r
   end
+
+  describe '#params' do
+    subject { PaginationRenderer.new(template, :params => {:controller => 'foo', :action => 'bar'}) }
+    its(:params) { should == {:controller => 'foo', :action => 'bar'} }
+  end
+
   describe '#tagify_links' do
     def tags_with(options)
-      PaginationRenderer.new(renderer, options).tagify_links
+      PaginationRenderer.new(template, options).tagify_links
     end
 
     context '1 page in total' do