vendor/plugins/white_list_formatted_content/init.rb

   1 ActiveRecord::Base.class_eval do
   2   include ActionView::Helpers::TagHelper, ActionView::Helpers::TextHelper, WhiteListHelper
   3   def self.format_attribute(attr_name)
   4     class << self; include ActionView::Helpers::TagHelper, ActionView::Helpers::TextHelper, WhiteListHelper; end
   5     define_method(:body)       { read_attribute attr_name }
   6     define_method(:body_html)  { read_attribute "#{attr_name}_html" }
   7     define_method(:body_html=) { |value| write_attribute "#{attr_name}_html", value }
   8     before_save :format_content
   9   end
  10
  11   def dom_id
  12     [self.class.name.downcase.pluralize.dasherize, id] * '-'
  13   end
  14
  15   protected
  16     def format_content
  17       body.strip! if body.respond_to?(:strip!)
  18       self.body_html = body.blank? ? '' : body_html_with_formatting
  19     end
  20
  21     def body_html_with_formatting
  22       body_html = auto_link(body) { |text| truncate(text, 50) }
  23       textilized = RedCloth.new(body_html, [ :hard_breaks ])
  24       textilized.hard_breaks = true if textilized.respond_to?("hard_breaks=")
  25       white_list(textilized.to_html)
  26     end
  27 end
  28
  29