Class: Basepack::Forms::Fields::HasManyAssociation

Inherits:
Base
  • Object
show all
Defined in:
lib/basepack/forms/fields/has_many_association.rb

Direct Known Subclasses

HasAndBelongsToManyAssociation

Constant Summary

Constants inherited from Base

Base::ASSOC_TYPES

Instance Attribute Summary

Attributes inherited from Base

#delegate, #form, #name

Instance Method Summary collapse

Methods inherited from Base

#association?, #configure_nested_form, #copy, #enum_options, #initialize, #inverse_of_nested_in?, #nested_label, #nform, #unique?, #update_attributes, #value, #view

Constructor Details

This class inherits a constructor from Basepack::Forms::Fields::Base

Instance Method Details

#build_resource ⇒ Object 



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# File 'lib/basepack/forms/fields/has_many_association.rb', line 21

def build_resource
  # TODO - raise exception for `through' assoc: form.resource_class.reflect_on_association(name).nested?
  value.build
end

#bulk_editable? ⇒ Boolean

returns true only for for N-N associations



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# File 'lib/basepack/forms/fields/has_many_association.rb', line 35

def bulk_editable?
  #N-N association are only with:
  # has_many through: <join_table>, where join_table has foreign_keys for both associations

  reflection = abstract_model.model.reflect_on_association(name)
  (
    (ActiveRecord::Reflection::ThroughReflection === reflection) and
    (reflection.through_reflection.macro == :has_many) and
    (reflection.source_reflection.macro == :belongs_to)
  )

end

#parse_input(params) ⇒ Object 



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# File 'lib/basepack/forms/fields/has_many_association.rb', line 26

def parse_input(params)
  if params[method_name].is_a? String
    params[method_name] = params[method_name].split ','
  else
    @delegate.parse_input(params) if @delegate
  end
end