application_helper.rb

application_helper.rb

module ApplicationHelper
  include Twitter::Extractor

  def auto_text_link(text)
    usernames = extract_mentioned_screen_names(text).uniq
    usernames.each do |username|
       text.gsub!("@#{username}","@<a href=\"#\">#{username}</a>")
    end

    auto_link(text, :urls, :rel => "nofollow", :target => "_blank")
  end

  def simple_format_include_spaces(text, html_options={}, options={})
    text = ''.html_safe if text.nil?
    start_tag = tag('p', html_options, true)
    text = sanitize(text) unless options[:sanitize] == false
    text.gsub!(/\r\n?/, "\n")    # \r\n and \r -> \n
    text.gsub!(/\n/, '\1<br />') # 1 newline   -> br
    text.insert 0, start_tag
    text.html_safe.safe_concat("</p>")
  end
end