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Class: ActionView::Helpers::TextHelper::Cycle

Do not use. This class is for internal use only.
Relationships & Source Files
Inherits: Object
Defined in: actionview/lib/action_view/helpers/text_helper.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(first_value, *values) ⇒ Cycle

[ GitHub ] 

  


# File 'actionview/lib/action_view/helpers/text_helper.rb', line 485



def initialize(first_value, *values)
  @values = values.unshift(first_value)
  reset
end


  







Instance Attribute Details



  

    #values   (readonly)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/helpers/text_helper.rb', line 483



attr_reader :values


  







Instance Method Details



  

    #current_value  
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/helpers/text_helper.rb', line 494



def current_value
  @values[previous_index].to_s
end


  








  

    #next_index   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/helpers/text_helper.rb', line 505



def next_index
  step_index(1)
end


  








  

    #previous_index   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/helpers/text_helper.rb', line 509



def previous_index
  step_index(-1)
end


  








  

    #reset  
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/helpers/text_helper.rb', line 490



def reset
  @index = 0
end


  








  

    #step_index(n)   (private)
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/helpers/text_helper.rb', line 513



def step_index(n)
  (@index + n) % @values.size
end


  








  

    #to_s  
  

  [ GitHub ]


  

  


# File 'actionview/lib/action_view/helpers/text_helper.rb', line 498



def to_s
  value = @values[@index].to_s
  @index = next_index
  value
end