Class: Kaminari::PaginatableArray

Inherits:
Array
  • Object
show all
Includes:
ConfigurationMethods::ClassMethods
Defined in:
lib/kaminari/models/array_extension.rb

Overview

Kind of Array that can paginate

Instance Method Summary collapse

Methods included from ConfigurationMethods::ClassMethods

#default_per_page, #paginates_per

Constructor Details

#initialize(original_array, limit_val = default_per_page, offset_val = 0) ⇒ PaginatableArray

:nodoc:



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# File 'lib/kaminari/models/array_extension.rb', line 8

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

Instance Method Details

#limit(num) ⇒ Object

returns another chunk of the original array



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# File 'lib/kaminari/models/array_extension.rb', line 19

def limit(num)
  self.class.new @_original_array, num, offset_value
end

#offset(num) ⇒ Object

returns another chunk of the original array



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# File 'lib/kaminari/models/array_extension.rb', line 29

def offset(num)
  arr = self.class.new @_original_array, limit_value, num
  class << arr
    include Kaminari::PageScopeMethods
  end
  arr
end

#page(num = 1) ⇒ Object

items at the specified “page”



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# File 'lib/kaminari/models/array_extension.rb', line 14

def page(num = 1)
  offset(limit_value * ([num.to_i, 1].max - 1))
end

#total_count ⇒ Object

total item numbers of the original array



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# File 'lib/kaminari/models/array_extension.rb', line 24

def total_count
  @_original_array.count
end