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module Kaminari
# Kind of Array that can paginate
class PaginatableArray < Array
include Kaminari::ConfigurationMethods::ClassMethods
attr_internal_accessor :limit_value, :offset_value
def initialize(original_array, limit_val = default_per_page, offset_val = 0) #:nodoc:
@_original_array, @_limit_value, @_offset_value = original_array, limit_val, offset_val
super(original_array[offset_val, limit_val] || [])
end
# items at the specified "page"
def page(num = 1)
offset(limit_value * ([num.to_i, 1].max - 1))
end
# returns another chunk of the original array
def limit(num)
self.class.new @_original_array, num, offset_value
end
# total item numbers of the original array
def total_count
@_original_array.count
end
# returns another chunk of the original array
def offset(num)
arr = self.class.new @_original_array, limit_value, num
class << arr
include Kaminari::PageScopeMethods
end
arr
end
end
# Wrap an Array object to make it paginatable
def self.paginate_array(array)
PaginatableArray.new array
end
end
Version data entries
10 entries across 10 versions & 4 rubygems