Class: EnumerateIt::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/enumerate_it/base.rb

Constant Summary collapse

@@registered_enumerations = 
{}

Class Method Summary collapse

Class Method Details

.associate_values(*args) ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 6

def self.associate_values(*args)
  values_hash = args.first.is_a?(Hash) ? args.first : args.inject({}) { |h, v| h[v] = v.to_s; h }

  register_enumeration normalize_enumeration(values_hash)
  values_hash.each_pair { |value_name, attributes| define_enumeration_constant value_name, attributes[0] }
end

.each_translation ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 29

def self.each_translation
  each_value { |value| yield t(value) }
end

.each_value ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 33

def self.each_value
  list.each { |value| yield value }
end

.enumeration ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 17

def self.enumeration
  @@registered_enumerations[self]
end

.key_for(value) ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 58

def self.key_for(value)
  enumeration.map {|e| e[0] if e[1][0] == value }.compact.first
end

.keys ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 54

def self.keys
  enumeration.keys
end

.length ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 25

def self.length
  list.length
end

.list ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 13

def self.list
  enumeration.values.map { |value| value[0] }.sort
end

.t(value) ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 41

def self.t(value)
  target = to_a.detect { |item| item[1] == value }
  target ? target[0] : value
end

.to_a ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 21

def self.to_a
  enumeration.values.map {|value| [translate(value[1]), value[0]] }.sort_by { |value| value[0] }
end

.to_json ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 37

def self.to_json
  enumeration.values.collect {|value| { :value => value[0], :label => translate(value[1]) } }.to_json
end

.to_range ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 62

def self.to_range
  (list.min..list.max)
end

.value_for(value) ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 50

def self.value_for(value)
  self.const_get(value.to_sym)
end

.values_for(values) ⇒ Object 



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# File 'lib/enumerate_it/base.rb', line 46

def self.values_for(values)
  values.map { |v| self.const_get(v.to_sym) }
end