Class: ActionView::Helpers::FormBuilder

Inherits:
Object
  • Object
show all
Includes:
HelperMethods
Defined in:
lib/slim_form_object/form_helpers/extension_actionview.rb

Instance Method Summary collapse

Constructor Details

#initialize(object_name, object, template, options) ⇒ FormBuilder

Returns a new instance of FormBuilder.



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# File 'lib/slim_form_object/form_helpers/extension_actionview.rb', line 147

def initialize(object_name, object, template, options)
  @nested_child_index = {}
  @object_name, @object, @template, @options = object_name, object, template, options
  @default_options = @options ? @options.slice(:index, :namespace, :skip_default_ids, :allow_method_names_outside_object) : {}
  @default_options.merge!( {sfo_nested: options[:sfo_nested], sfo_main: options[:sfo_main]} )
  convert_to_legacy_options(@options)

  if @object_name.to_s.match(/\[\]$/)
    if (object ||= @template.instance_variable_get("@#{Regexp.last_match.pre_match}")) && object.respond_to?(:to_param)
      @auto_index = object.to_param
    else
      raise ArgumentError, "object[] naming but object param and @object var don't exist or don't respond to to_param: #{object.inspect}"
    end
  end

  @multipart = nil
  @index = options[:index] || options[:child_index]
end

Instance Method Details

#fields_for(record_name, record_object = nil, fields_options = {}, &block) ⇒ Object 



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# File 'lib/slim_form_object/form_helpers/extension_actionview.rb', line 166

def fields_for(record_name, record_object = nil, fields_options = {}, &block)
  (self.options[:sfo_nested] and record_object) ? record_object.merge!({sfo_main: false}) : record_object.merge!({sfo_main: true})
  fields_options, record_object = record_object, nil if record_object.is_a?(Hash) && record_object.extractable_options?
  fields_options[:builder] ||= options[:builder]
  fields_options[:namespace] = options[:namespace]
  fields_options[:parent_builder] = self

  case record_name
  when String, Symbol
    if nested_attributes_association?(record_name)
      return fields_for_with_nested_attributes(record_name, record_object, fields_options, block)
    end
  else
    record_object = record_name.is_a?(Array) ? record_name.last : record_name
    record_name   = model_name_from_record_or_class(record_object).param_key
  end

  object_name = @object_name
  index = if options.has_key?(:index)
    options[:index]
  elsif defined?(@auto_index)
    object_name = object_name.to_s.sub(/\[\]$/, "")
    @auto_index
  end

  record_name = if index
    "#{object_name}[#{index}][#{record_name}]"
  elsif record_name.to_s.end_with?("[]")
    record_name = record_name.to_s.sub(/(.*)\[\]$/, "[\\1][#{record_object.id}]")
    "#{object_name}#{record_name}"
  else
    "#{object_name}[#{record_name}]"
  end
  fields_options[:child_index] = index

  if fields_options[:sfo_nested]
    record_object = object
    record_name = record_name + '[]'
  end
  @template.fields_for(record_name, record_object, fields_options, &block)
end