taavo

  def repair_empty_param_associations
    params.keys.each do |key|
      repair_nested_params(params, key, params[key])
    end
  end

  private

  def repair_nested_params(current_params, key, value)
    if key =~ /^(.*)_attributes$/ && value.nil?

taavo

_.extend Backbone.Validation.callbacks,
  valid: (view, attr, selector) ->
    control = view.$('[' + selector + '=' + attr + ']')
    group = control.parents(".control-group")

    # If the input field is still in an invalid state, don't remove error
    if view.model.preValidate(attr, control.val())
      return

    group.removeClass("error")