module WillPaginate::ActionView

def infer_collection_from_controller
  collection_name = "@#{controller.controller_name}"
  collection = instance_variable_get(collection_name)
  raise ArgumentError, "The #{collection_name} variable appears to be empty. Did you " +
    "forget to pass the collection object for will_paginate?" if collection.nil?
  collection
end

def page_entries_info(collection = nil, options = {}) #:nodoc:
  options, collection = collection, nil if collection.is_a? Hash
  collection ||= infer_collection_from_controller
  super(collection, options.symbolize_keys)
end

def paginated_section(*args, &block)
  pagination = will_paginate(*args)
  if pagination
    pagination + capture(&block) + pagination
  else
    capture(&block)
  end
end

def will_paginate(collection = nil, options = {}) #:nodoc:
  options, collection = collection, nil if collection.is_a? Hash
  collection ||= infer_collection_from_controller
  options = options.symbolize_keys
  options[:renderer] ||= LinkRenderer
  super(collection, options)
end

def will_paginate_translate(keys, options = {})
  if respond_to? :translate
    if Array === keys
      defaults = keys.dup
      key = defaults.shift
    else
      defaults = nil
      key = keys
    end
    translate(key, **options.merge(:default => defaults, :scope => :will_paginate))
  else
    super
  end
end