class ActiveAdmin::Views::PaginatedCollection


It will also generate pagination links.
* “Displaying Posts 1 - 30 of 31 in total”
* “Displaying all 10 Posts”
* “No Posts found”
posts in one of the following formats:
This will create a div with a sentence describing the number of
end
end
h2 “Inside the
div do
paginated_collection collection, :entry_name => ”Post“ do
Example:
Wraps the content with pagination and available formats.

def add_child(*args, &block)

Override add_child to insert all children into the @contents div 
def add_child(*args, &block)
  if @built
    @contents.add_child(*args, &block)
  else
    super
  end
end

def build(collection, options = {})


download_links => Download links override (false or [:csv, :pdf])
param_name => Parameter name for page number in the links (:page by default)
entry_name => The name to display for this resource collection
options => These options will be passed to `page_entries_info`
collection => A paginated collection from kaminari

Builds a new paginated collection component 
def build(collection, options = {})
  @collection     = collection
  @param_name     = options.delete(:param_name)
  @download_links = options.delete(:download_links)
  @display_total  = options.delete(:pagination_total) { true }
  unless collection.respond_to?(:num_pages)
    raise(StandardError, "Collection is not a paginated scope. Set collection.page(params[:page]).per(10) before calling :paginated_collection.")
  end
  @contents = div(:class => "paginated_collection_contents")
  build_pagination_with_formats(options)
  @built = true
end

def build_pagination 

def build_pagination
  options =  request.query_parameters.except(:commit, :format)
  options[:param_name] = @param_name if @param_name
  text_node paginate(collection, options.symbolize_keys)
end

def build_pagination_with_formats(options) 

def build_pagination_with_formats(options)
  div :id => "index_footer" do
    build_pagination
    div(page_entries_info(options).html_safe, :class => "pagination_information")
    if @download_links.is_a?(Array) && !@download_links.empty?
      build_download_format_links @download_links
    else
      build_download_format_links unless @download_links == false
    end
  end
end

def page_entries_info(options = {})

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
      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