module MasterView
  module Directives

    # creates a collection_select helper. quotes object and method if necessary, merges
    # html options specfied on element into any html options in attr_value
    # attr_value syntax:
    # object, method, collection, value_method, text_method, options = {}, html_options = {}
    class Collection_select < MasterView::DirectiveBase
      def stag(dcs)
        #eat
      end

      def etag(dcs)
        args = parse_attr_value
        obj = quote_if(args[0])
        method = quote_if(args[1])
        collection = quote_if(args[2])
        value_method = quote_if(args[3])
        text_method = quote_if(args[4])
        options = args[5]
        html_options = args[6]

        opt = {}
        opt[:size] = attrs_lck['size'].to_i if attrs_lck['size']
        opt.merge! common_html_options(attrs_lck)
        html_options = merge_into_embedded_hash(html_options, 0, opt)
        options = '{}' if options.to_s.empty? && !html_options.to_s.empty? # if we have html_options but no options, still need empty hash

        a = []
        a << 'collection_select '+ obj
        a << method
        a << collection
        a << value_method
        a << text_method
        a << options unless options.to_s.strip.empty?
        a << html_options unless html_options.to_s.strip.empty?

        self.content = ''
        erb_content(a.join(', '))
      end

    end
  end
end