Will paginate – how to pass custom parameters

I came across and issue today that involved my pagination not working correctly. What was happening was a user would do a search with various criteria and the result would show with pagination links. Once they clicked on a new page, it would return them to a list of results, but that wasn’t using any criteria. The solution was fairly simple, but not obviously documented. (Unless you look in the source files)

= will_paginate @object, :params => { :custom_param => @custom_param_value }

Here are some additional custom params you can use:

Display options

  • :previous_label — default: “<< Previous” (this parameter is called :prev_label in versions 2.3.2 and older!)
  • :next_label — default: “Next >>”
  • :page_links — when false, only previous/next links are rendered (default: true)
  • :inner_window — how many links are shown around the current page (default: 4)
  • :outer_window — how many links are around the first and the last page (default: 1)
  • :separator — string separator for page HTML elements (default: single space)

HTML options

  • :class — CSS class name for the generated DIV (default: “pagination”)
  • :container — toggles rendering of the DIV container for pagination links, set to false only when you are rendering your own pagination markup (default: true)
  • :id — HTML ID for the container (default: nil). Pass +true+ to have the ID automatically generated from the class name of objects in collection: for example, paginating ArticleComment models would yield an ID of “article_comments_pagination”.

Advanced options

  • :param_name — parameter name for page number in URLs (default: :page)
  • :params — additional parameters when generating pagination links (eg. :controller => “foo”, :action => nil)
  • :renderer — class name, class or instance of a link renderer (default: WillPaginate::LinkRenderer)
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