Class: WebfaceForm

Inherits:
Object
  • Object
show all
Defined in:
app/helpers/webface_form.rb

Defined Under Namespace

Classes: NoSuchFormFieldType

Constant Summary collapse

OPTION_ATTRS = 
[:tabindex, :label, :suffix, :selected, :hint, :collection, :allow_custom_value, :fetch_url, :query_param_name, :disabled, :nested_field, :serialized_hash, :model_field_name, :model_name, :radio_options_id, :popup_hint, :has_blank]

Instance Method Summary collapse

Constructor Details

#initialize(model, view_context) ⇒ WebfaceForm

Returns a new instance of WebfaceForm.



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# File 'app/helpers/webface_form.rb', line 7

def initialize(model, view_context)
  @model         = model
  @view_context  = view_context
  @field_counter = {}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args) ⇒ Object 



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# File 'app/helpers/webface_form.rb', line 13

def method_missing(m, *args)

  attrs   = {}
  options = {}
  if args.last.kind_of?(Hash)
    attrs   = args.last
    options = separate_option_attrs(attrs)
  end
  field_type = m

  unless self.class.private_method_defined?("_#{field_type}")
    raise NoSuchFormFieldType, "Field type `#{field_type}` not supported"
  end

  field_name = if args.first.blank? || args.first.to_s =~ /!\Z/
    args.first.to_s.sub("!", "")
  else
    "#{@model.class.to_s.underscore}[#{args.first}]"
  end

  if options[:nested_field]
    field_name = modify_name_for_nested_field(field_name, options[:nested_field])
  elsif args.first && args.first.to_s.include?("[") && options[:nested_field].nil?
    field_name = modify_name_for_serialized_field(field_name)
  end

  if @field_counter[field_name]
    @field_counter[field_name] += 1
  else
    @field_counter[field_name] = 0
  end
  options[:field_counter] = @field_counter[field_name]

  options[:radio_options_id] = options[:name] if options[:name]

  options.merge!({ name: field_name, attr_name: args.first, model: @model, model_name: self.model_name})
  attrs.delete_if { |k,v| OPTION_ATTRS.include?(k) }
  attrs.merge!({ options: options })

  if attrs[:options][:label].nil?
    attrs[:options][:label] = I18n.t("models.#{field_name_for_i18n(field_name)}")
  end

  self.send("_#{field_type}", attrs)
end

Instance Method Details

#model_name ⇒ Object 



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# File 'app/helpers/webface_form.rb', line 59

def model_name
  if @model
    @model.class.to_s.underscore
  else
    options[:name].split("[").first
  end
end