Class: ActiveAdmin::Mongoid::Localize::Field

Inherits:
Object
  • Object
show all
Extended by:
ActiveModel::Naming
Defined in:
lib/activeadmin-mongoid-localize/field.rb

Constant Summary collapse

@@validators = 
{}
@@model = 
nil

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(obj, name) ⇒ Field

Returns a new instance of Field.



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# File 'lib/activeadmin-mongoid-localize/field.rb', line 15

def initialize(obj, name)
  @obj = obj
  @@model = obj.class
  @field = name
  @@validators[@field] = @obj.class.validators_on(name.to_sym)
  @required = @@validators[@field].map(&:class).map(&:name).include? 'Mongoid::Validations::PresenceValidator'
  @errors = ActiveModel::Errors.new(self)
  hash = @obj.send("#{name}_translations")

  ::ActiveAdmin::Mongoid::Localize.locales.each do |k|
    inst_var_name = clean_locale(k) 
    ## create the getter that returns the instance variable
    self.class.send(:define_method, k, proc{self.instance_variable_get("@#{inst_var_name}")})

    ## create the setter that sets the instance variable
    self.class.send(:define_method, "#{k}=", proc{|v| self.instance_variable_set("@#{inst_var_name}", v)})

    ## create and initialize an instance variable for this key/value pair
    self.instance_variable_set("@#{inst_var_name}", '')
  end

  hash.each do |k,v|
    ## create and initialize an instance variable for this key/value pair
    inst_var_name = k.to_s.gsub('-','_')
    self.instance_variable_set("@#{inst_var_name}", v)
  end

  def @obj.before_validation
    validate!
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(*args) ⇒ Object 



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# File 'lib/activeadmin-mongoid-localize/field.rb', line 69

def method_missing(*args)
  @obj.send(*args)
end

Class Method Details

.before_validation ⇒ Object 



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# File 'lib/activeadmin-mongoid-localize/field.rb', line 42

def @obj.before_validation
  validate!
end

.human_attribute_name(*args) ⇒ Object 



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# File 'lib/activeadmin-mongoid-localize/field.rb', line 81

def self.human_attribute_name(*args)
  @@model.send(:human_attribute_name, *args)
end

.validators_on(attributized_method_name) ⇒ Object 



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# File 'lib/activeadmin-mongoid-localize/field.rb', line 77

def self.validators_on(attributized_method_name)
  @@validators[attributized_method_name].nil? ? [] : @@validators[attributized_method_name]
end

Instance Method Details

#clean_locale(locale) ⇒ Object 



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# File 'lib/activeadmin-mongoid-localize/field.rb', line 11

def clean_locale(locale)
  locale.to_s.gsub('-','_')
end

#column_for_attribute(name) ⇒ Object 



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# File 'lib/activeadmin-mongoid-localize/field.rb', line 64

def column_for_attribute(name)
  # we only have one column for all locales
  @obj.fields[@field]
end

#errors ⇒ Object 



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# File 'lib/activeadmin-mongoid-localize/field.rb', line 51

def errors
  validate! if @obj.errors.any?
  @errors
end

#required? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/activeadmin-mongoid-localize/field.rb', line 47

def required?
  @required
end

#respond_to?(method_name, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/activeadmin-mongoid-localize/field.rb', line 73

def respond_to?(method_name, include_private = false)
  @obj.respond_to?(method_name, include_private)
end

#validate! ⇒ Object 



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# File 'lib/activeadmin-mongoid-localize/field.rb', line 56

def validate!
  ::ActiveAdmin::Mongoid::Localize.locales.each do |k|
    if @required && send(k).blank?
      @errors.add(k, I18n.t('errors.messages.blank'))
    end
  end
end