Class: I18n::Transformers::Collection

Inherits:
Object
  • Object
show all
Defined in:
lib/i18n/transformers/collection.rb,
lib/i18n/transformers/collection/base.rb,
lib/i18n/transformers/collection/generic.rb,
lib/i18n/transformers/collection/markdown.rb

Defined Under Namespace

Classes: Base, Generic, Markdown

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Collection

Returns a new instance of Collection.



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# File 'lib/i18n/transformers/collection.rb', line 4

def initialize
  @collection = []
end

Instance Method Details

#all ⇒ Object 



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# File 'lib/i18n/transformers/collection.rb', line 8

def all
  @collection
end

#find(name_or_obj, index: false) ⇒ Object 



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# File 'lib/i18n/transformers/collection.rb', line 12

def find(name_or_obj, index: false)
  name = name_or_obj.respond_to?(:name) ? name_or_obj.name : name_or_obj.to_s
  method = index ? :index : :find

  all.send(method) { |item| item.name == name }
end

#insert(transformer, at: nil, before: nil, after: nil) ⇒ Object 



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# File 'lib/i18n/transformers/collection.rb', line 34

def insert(transformer, at: nil, before: nil, after: nil)
  unless transformer.respond_to?(:transform)
    raise ArgumentError, 'passed object need to response to transform method'
  end

  if [at, before, after].count(&:nil?) < 2
    raise ArgumentError, 'before, after and at cannot be used at the same time'
  end

  index = at || find(before || after, index: true)

  if index
    raise ArgumentError, 'invalid index' if index < 0 || index > all.size
    @collection.insert(after ? index + 1 : index, transformer)
  else
    @collection << transformer
  end

  transformer
end

#register(name = nil, options = {}, &block) ⇒ Object 



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# File 'lib/i18n/transformers/collection.rb', line 19

def register(name = nil, options = {}, &block)
  name, options = nil, name if name.is_a?(Hash)
  position = options.extract! :before, :after, :at

  transformer = if name.respond_to?(:transform)
    name
  else
    klass = name.is_a?(Symbol) ? collection_class_for(name) : name
    klass = I18n::Transformers::Collection::Generic if !klass || name.is_a?(String)
    klass.new(options.merge(name: name), &block)
  end

  insert(transformer, position)
end

#reset ⇒ Object 



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# File 'lib/i18n/transformers/collection.rb', line 55

def reset
  @collection = []
  self
end