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require 'rails_admin/config/fields'
require 'rails_admin/config/fields/types'
require 'rails_admin/config/fields/types/belongs_to_association'
RailsAdmin::Config::Fields.register_factory do |parent, properties, fields|
if association = parent.abstract_model.associations.detect { |a| a.foreign_key == properties.name && [:belongs_to, :has_and_belongs_to_many].include?(a.type) }
field = RailsAdmin::Config::Fields::Types.load("#{association.polymorphic? ? :polymorphic : association.type}_association").new(parent, association.name, association)
fields << field
child_columns = []
possible_field_names = begin
if association.polymorphic?
[:foreign_key, :foreign_type, :foreign_inverse_of]
else
[:foreign_key]
end.collect { |k| association.send(k) }.compact
end
parent.abstract_model.properties.select { |p| possible_field_names.include? p.name }.each do |column|
unless child_field = fields.detect { |f| f.name.to_s == column.name.to_s }
child_field = RailsAdmin::Config::Fields.default_factory.call(parent, column, fields)
end
child_columns << child_field
end
child_columns.each do |child_column|
child_column.hide
child_column.filterable(false)
end
field.children_fields child_columns.collect(&:name)
end
end
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