Class: RailsAdmin::Config::Fields::Types::PolymorphicAssociation

Inherits:
BelongsToAssociation show all
Defined in:
lib/rails_admin/config/fields/types/polymorphic_association.rb

Constant Summary

Constants inherited from Base

Base::NAMED_INSTANCE_VARIABLES

Instance Attribute Summary

Attributes inherited from Base

#abstract_model, #defined, #name, #order, #parent, #properties, #root, #section

Instance Method Summary collapse

Methods inherited from BelongsToAssociation

#associated_primary_key, #method_name, #multiple?, #selected_id

Methods inherited from Association

#associated_model_limit, #associated_object_label_method, #associated_primary_key, #association, #foreign_key, #multiple?, #polymorphic?, #virtual?

Methods inherited from Base

#association?, #editable?, #errors, #form_default_value, #form_value, #generic_field_help, #generic_help, #initialize, #inverse_of, #method_name, #optional, #optional=, #optional?, #parse_value, #type, #type_css_class, #virtual?

Methods included from Inspectable

#inspect

Methods included from Groupable

#group

Methods included from Hideable

#hidden?, #hide, included, #show

Methods included from Configurable

#has_option?, #register_deprecated_instance_option, #register_instance_option

Methods included from Proxyable

#bindings, #bindings=, #with

Constructor Details

This class inherits a constructor from RailsAdmin::Config::Fields::Base

Instance Method Details

#associated_collection(type) ⇒ Object


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# File 'lib/rails_admin/config/fields/types/polymorphic_association.rb', line 52

def associated_collection(type)
  return [] if type.blank?
  config = RailsAdmin.config(type)
  config.abstract_model.all.collect do |object|
    [object.send(config.object_label_method), object.id]
  end
end

#associated_model_configObject


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# File 'lib/rails_admin/config/fields/types/polymorphic_association.rb', line 60

def associated_model_config
  @associated_model_config ||= association.klass.collect { |type| RailsAdmin.config(type) }.select { |config| !config.excluded? }
end

#parse_input(params) ⇒ Object


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# File 'lib/rails_admin/config/fields/types/polymorphic_association.rb', line 82

def parse_input(params)
  if (type_value = params[association.foreign_type.to_sym]).present?
    config = associated_model_config.find { |c| type_value == c.abstract_model.model.name }
    params[association.foreign_type.to_sym] = config.abstract_model.base_class.name if config
  end
end

#polymorphic_type_collectionObject


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# File 'lib/rails_admin/config/fields/types/polymorphic_association.rb', line 64

def polymorphic_type_collection
  associated_model_config.collect do |config|
    [config.label, config.abstract_model.model.name]
  end
end

#polymorphic_type_urlsObject


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# File 'lib/rails_admin/config/fields/types/polymorphic_association.rb', line 70

def polymorphic_type_urls
  types = associated_model_config.collect do |config|
    [config.abstract_model.model.name, config.abstract_model.to_param]
  end
  ::Hash[*types.collect { |v| [v[0], bindings[:view].index_path(v[1])] }.flatten]
end

#valueObject

Reader for field's value


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# File 'lib/rails_admin/config/fields/types/polymorphic_association.rb', line 78

def value
  bindings[:object].send(association.name)
end