Skip Total Count view information if there is no filter

kaminari.rb

module ActiveAdmin
  module Views
    class PaginatedCollection < ActiveAdmin::Component

      protected

      # modified from will_paginate
      def page_entries_info(options = {})
        if options[:entry_name]
          entry_name = options[:entry_name]
          entries_name = options[:entries_name] || entry_name.pluralize
        elsif collection_is_empty?
          entry_name = I18n.t "active_admin.pagination.entry", :count => 1, :default => 'entry'
          entries_name = I18n.t "active_admin.pagination.entry", :count => 2, :default => 'entries'
        else
          key = "activerecord.models." + collection.first.class.model_name.i18n_key.to_s
          entry_name = I18n.translate key, :count => 1, :default => collection.first.class.name.underscore.sub('_', ' ')
          entries_name = I18n.translate key, :count => collection.size, :default => entry_name.pluralize
        end

        if collection.num_pages < 2
          case collection_size
          when 0;
            I18n.t('active_admin.pagination.empty', :model => entries_name)
          when 1;
            I18n.t('active_admin.pagination.one', :model => entry_name)
          else
            ; I18n.t('active_admin.pagination.one_page', :model => entries_name, :n => collection.total_count)
          end
        else
          offset = (collection.current_page - 1) * collection.limit_value
          if @display_total and params[:q]
            total = collection.total_count
            I18n.t 'active_admin.pagination.multiple', :model => entries_name, :total => total,
                   :from => offset + 1, :to => offset + collection_size
          else
            I18n.t 'active_admin.pagination.multiple_without_total', :model => entries_name,
                   :from => offset + 1, :to => offset + collection_size
          end
        end
      end

    end
  end
end