Contents

require 'table_helper/row'

module PluginAWeek #:nodoc:
  module TableHelper
    # Represents the header of the table.  In HTML, you can think of this as
    # the tfoot tag of the table.
    class Footer < HtmlElement
      # The actual footer row
      attr_reader :row
      
      delegate  :cell,
                  :to => :row
      
      # Whether or not the footer should be hidden when the collection is
      # empty.  Default is true.
      attr_accessor :hide_when_empty
      
      def initialize(collection) #:nodoc:
        super()
        
        @collection = collection
        @row = Row.new
        @hide_when_empty = true
      end
      
      def html #:nodoc:
        html_options = @html_options.dup
        html_options[:style] = 'display: none;' if @collection.empty? && hide_when_empty
        
        content_tag(tag_name, content, html_options)
      end
      
      private
        def tag_name
          'tfoot'
        end
        
        # Generates the html for the footer.  The footer generally consists of a
        # summary of the data in the body.  This row will be wrapped inside of
        # a tfoot tag.  If the collection is empty and hide_when_empty was set
        # to true, then the footer will be hidden.
        def content
          @row.html
        end
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
table_helper-0.0.5	lib/table_helper/footer.rb
table_helper-0.0.4	lib/table_helper/footer.rb
table_helper-0.0.3	lib/table_helper/footer.rb