@@ -96,11 +96,23 @@ module WillPaginate
# render HTML for pagination
renderer.to_html
end
+
+ # Renders a helpful message with numbers of displayed vs. total entries.
+ # You can use this as a blueprint for your own, similar helpers.
+ #
+ # <%= page_entries_info @posts %>
+ # #-> Displaying entries 6 - 10 of 26 in total
+ def page_entries_info(collection)
+ %{Displaying entries <b>%d - %d</b> of <b>%d</b> in total} % [
+ collection.offset + 1,
+ collection.offset + collection.length,
+ collection.total_entries
+ ]
+ end
end
# This class does the heavy lifting of actually building the pagination
- # links. It is used by +will_paginate+ helper internally, but avoid using it
- # directly (for now) because its API is not set in stone yet.
+ # links. It is used by +will_paginate+ helper internally.
class LinkRenderer
def initialize(collection, options, template)
lib/will_paginate/view_helpers.rb
@@ -240,3 +240,18 @@ protected
end
end
end
+
+class ViewHelpersTest < Test::Unit::TestCase
+ include WillPaginate::ViewHelpers
+
+ def test_page_entries_info
+ arr = ('a'..'z').to_a
+ collection = arr.paginate :page => 2, :per_page => 5
+ assert_equal %{Displaying entries <b>6 - 10</b> of <b>26</b> in total},
+ page_entries_info(collection)
+
+ collection = arr.paginate :page => 7, :per_page => 4
+ assert_equal %{Displaying entries <b>25 - 26</b> of <b>26</b> in total},
+ page_entries_info(collection)
+ end
+end
test/pagination_test.rb
6b77787c18d6e7947adbe2e55491459d64bc0564
mislav
mislav@1eaa51fe-a21a-0410-9c2e-ae7a00a434c4
http://github.com/agile/will_paginate/commit/21472a829687a1571eb236cae48d2c2d6b914cfb
21472a829687a1571eb236cae48d2c2d6b914cfb
2008-02-28T07:45:36-08:00
2008-02-28T07:45:36-08:00
Add page_entries_info view helper
git-svn-id: svn://errtheblog.com/svn/plugins/will_paginate@454 1eaa51fe-a21a-0410-9c2e-ae7a00a434c4
d1a9413fbd7e60c656f1c0672fbf1bef58ae6885
mislav
mislav@1eaa51fe-a21a-0410-9c2e-ae7a00a434c4