Class: SimpleForm::Inputs::AutocompleteCollectionInput

Inherits:
CollectionInput
  • Object
show all
Includes:
Autocomplete
Defined in:
lib/rails-autocomplete/simple_form_plugin.rb

Instance Method Summary collapse

Methods included from Autocomplete

#rewrite_autocomplete_option

Instance Method Details

#input(opts) ⇒ Object 



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# File 'lib/rails-autocomplete/simple_form_plugin.rb', line 50

def input(opts)
  # http://www.codeofficer.com/blog/entry/form_builders_in_rails_discovering_field_names_and_ids_for_javascript/
  hidden_id = "#{object_name}_#{attribute_name}_hidden".gsub(/\]\[|[^-a-zA-Z0-9:.]/, "_").sub(/_$/, "")
  id_element = options[:id_element]
  if id_element
    id_element << ", #" << hidden_id
  else
    id_element = "#" + hidden_id
  end
  options[:id_element] = id_element

  # This branching is to deal with a change beginning in simple_form 3.0.2 and above to ensure backwards compatibility
  if opts.nil?
    autocomplete_options = rewrite_autocomplete_option
  else
    merge_wrapper_options(rewrite_autocomplete_option, args)
  end

  label_method, value_method = detect_collection_methods
  association = object.send(reflection.name)
  if association && association.respond_to?(label_method)
    autocomplete_options[:value] = association.send(label_method)
  end
  out = @builder.autocomplete_field(
    attribute_name,
    options[:url],
    autocomplete_options
  )
  hidden_options = if association && association.respond_to?(value_method)
    new_options = {}
    new_options[:value] = association.send(value_method)
    input_html_options.merge new_options
  else
    input_html_options
  end
  hidden_options[:id] = hidden_id
  out << @builder.hidden_field(
    attribute_name,
    hidden_options
  )
  out.html_safe
end