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:ruby
type_collection = field.polymorphic_type_collection
type_column = field.association.foreign_type.to_s
selected_type = field.bindings[:object].send(type_column)
collection = field.associated_collection(selected_type)
selected = field.bindings[:object].send(field.association.name)
column_type_dom_id = form.dom_id(field).sub(field.method_name.to_s, type_column)
.form-inline
= form.select type_column, type_collection, {include_blank: true, selected: selected_type}, class: "form-control", id: column_type_dom_id, data: { polymorphic: true, urls: field.polymorphic_type_urls.to_json }
= form.select field.method_name, collection, {include_blank: true, selected: selected.try(:id)}, class: "form-control"
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