module LoggedExceptionsHelper
  def filtered?
    [:query, :date_ranges_filter, :exception_names_filter, :controller_actions_filter].any? { |p| params[p] }
  end
 
  def pagination_remote_links(collection)
    ret = ''
    if $PAGINATION_TYPE == 'will_paginate'
      pagination = will_paginate (collection, 
        :renderer   => 'LoggedExceptionsHelper::PaginationRenderer',
        :prev_label => '',
        :next_label => '',
        :container  => false)
      if collection.total_pages > 1 then
        ret = ":: Pages : <strong>#{pagination}</strong>"
      end
    elsif $PAGINATION_TYPE == 'paginating_find' then
      pagination = paginating_links collection
      ret = ":: Pages : <strong>#{pagination}</strong>"
    else
      next_page = params[:page].to_i + 1
      prev_page = 0
      prev_link = ''
      if params[:page].to_i > 0 then
        prev_page = params[:page].to_i - 1
        prev_link = "<a href=\"?page=#{prev_page}\"> Previous page</a>"
      end
      next_link = "<a href=\"?page=#{next_page}\">Next page</a>"    
      ret = "Pagination not available#{prev_link} - #{next_link}"
    end
  end
  
  if $PAGINATION_TYPE == 'will_paginate'
    class PaginationRenderer < WillPaginate::LinkRenderer
      def page_link_or_span(page, span_class = 'current', text = nil)
        text ||= page.to_s
        if page and page != current_page
          @template.link_to_function text, "ExceptionLogger.setPage(#{page})"
        else
          @template.content_tag :span, text, :class => span_class
        end
      end
    end
  end
end