Contents

module ActiveScaffold
  module Helpers
    module ControllerHelpers
      def self.included(controller)
        controller.class_eval { helper_method :params_for, :main_path_to_return }
      end

      include ActiveScaffold::Helpers::IdHelpers

      def params_for(options = {})
        # :adapter and :position are one-use rendering arguments. they should not propagate.
        # :sort, :sort_direction, and :page are arguments that stored in the session. they need not propagate.
        # and wow. no we don't want to propagate :record.
        # :commit is a special rails variable for form buttons
        blacklist = [:adapter, :position, :sort, :sort_direction, :page, :record, :commit, :_method, :authenticity_token, :iframe]
        unless @params_for
          @params_for = {}
          params.select { |key, value| blacklist.exclude? key.to_sym if key }.each {|key, value| @params_for[key.to_sym] = value.duplicable? ? value.clone : value}
          @params_for[:controller] = '/' + @params_for[:controller].to_s unless @params_for[:controller].to_s.first(1) == '/' # for namespaced controllers
          @params_for.delete(:id) if @params_for[:id].nil?
        end
        @params_for.merge(options)
      end

      # Parameters to generate url to the main page (override if the
      # ActiveScaffold is used as a component on another controllers
      # page)
      def main_path_to_return
        parameters = {}
        if params[:parent_controller]
          parameters[:controller] = params[:parent_controller]
          parameters[:eid] = params[:parent_controller]
        end
        parameters[:parent_column] = nil
        parameters[:parent_id] = nil
        parameters[:action] = "index"
        parameters[:id] = nil
        params_for(parameters)
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
active_scaffold-3.0.5	lib/active_scaffold/helpers/controller_helpers.rb