From 45804e2c86228efcfb7d635525f0d1635a1b25c1 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Fri, 15 Jul 2005 20:27:38 +0000
Subject: More pagination speed #1334 [Stefan Kaes]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1839 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 .../lib/action_view/helpers/pagination_helper.rb   | 42 ++++++++++++----------
 1 file changed, 24 insertions(+), 18 deletions(-)

(limited to 'actionpack/lib/action_view')

diff --git a/actionpack/lib/action_view/helpers/pagination_helper.rb b/actionpack/lib/action_view/helpers/pagination_helper.rb
index 6f6380ec70..51510599fb 100644
--- a/actionpack/lib/action_view/helpers/pagination_helper.rb
+++ b/actionpack/lib/action_view/helpers/pagination_helper.rb
@@ -18,7 +18,8 @@ module ActionView
         }
       end
 
-      # Creates a basic HTML link bar for the given +paginator+. 
+      # Creates a basic HTML link bar for the given +paginator+.
+      # +html_options+ are passed to +link_to+.
       #
       # +options+ are:
       # <tt>:name</tt>::                 the routing name for this paginator
@@ -33,20 +34,25 @@ module ActionView
       #                                  +false+)
       # <tt>:params</tt>::               any additional routing parameters
       #                                  for page URLs
-      def pagination_links(paginator, options={})
-        options.merge!(DEFAULT_OPTIONS) {|key, old, new| old}
+      def pagination_links(paginator, options={}, html_options={})
+        name = options[:name] || DEFAULT_OPTIONS[:name]
+        params = (options[:params] || DEFAULT_OPTIONS[:params]).clone
         
-        pagination_links_each(paginator, options[:window_size], options[:always_show_anchors], options[:link_to_current_page]) do |n|
-          link_to(n.to_s, { options[:name] => n }.update(options[:params]))
+        pagination_links_each(paginator, options) do |n|
+          params[name] = n
+          link_to(n.to_s, params, html_options)
         end
       end
 
       # Iterate through the pages of a given +paginator+, invoking a
       # block for each page number that needs to be rendered as a link.
+      def pagination_links_each(paginator, options)
+        options = DEFAULT_OPTIONS.merge(options)
+        link_to_current_page = options[:link_to_current_page]
+        always_show_anchors = options[:always_show_anchors]
 
-      def pagination_links_each(paginator, window_size=2, always_show_anchors=true, link_to_current_page=false)
         current_page = paginator.current_page
-        window_pages = current_page.window(window_size).pages
+        window_pages = current_page.window(options[:window_size]).pages
         return if window_pages.length <= 1 unless link_to_current_page
         
         first, last = paginator.first, paginator.last
@@ -55,26 +61,26 @@ module ActionView
         if always_show_anchors and not (wp_first = window_pages[0]).first?
           html << yield(first.number)
           html << ' ... ' if wp_first.number - first.number > 1
-            html << ' '
-          end
+          html << ' '
+        end
           
-          window_pages.each do |page|
+        window_pages.each do |page|
           if current_page == page && !link_to_current_page
-              html << page.number.to_s
-            else
+            html << page.number.to_s
+          else
             html << yield(page.number)
-            end
-            html << ' '
           end
-          
+          html << ' '
+        end
+        
         if always_show_anchors and not (wp_last = window_pages[-1]).last? 
           html << ' ... ' if last.number - wp_last.number > 1
           html << yield(last.number)
+        end
+        
+        html
       end
       
-        html
-    end
-
     end # PaginationHelper
   end # Helpers
 end # ActionView
-- 
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