Module: HomePage::ApplicationHelper

Includes:
AutoHtml
Defined in:
app/helpers/home_page/application_helper.rb

Instance Method Summary collapse

Instance Method Details

#bootstrap_flash_raw ⇒ Object

Taken from github.com/seyhunak/twitter-bootstrap-rails Modified to support html in flash message



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# File 'app/helpers/home_page/application_helper.rb', line 7

def bootstrap_flash_raw
  flash_messages = []
  
  flash.each do |type, message|
    flash.delete(type)
    
    # Skip Devise :timeout and :timedout flags
    next if type == :timeout
    next if type == :timedout
    
    content =  type.to_s == "filter" ? "" : content_tag(:button, raw("×"), :class => "close", "data-dismiss" => "alert")
    type = :success if ["notice", "filter"].include? type.to_s
    type = :danger   if ["alert", "error", "recaptcha_error"].include? type.to_s
    content += raw(message)
    text = content_tag(:div, content, :class => "alert fade in alert-#{type}") 
    flash_messages << text if message
  end
  
  flash_messages.join("\n").html_safe
end

#markdown(text) ⇒ Object 



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# File 'app/helpers/home_page/application_helper.rb', line 28

def markdown(text)
  syntax_highlighter(
    auto_html(text) do 
      youtube(width: 515, height: 300)
      dailymotion(width: 515, height: 300)
      vimeo(width: 515, height: 300)
      google_video(width: 515, height: 300)
      image

      redcarpet(
        renderer: Redcarpet::Render::XHTML.new(
          no_images: true, no_styles: true, hard_wrap: true, with_toc_data: true
        ),
        markdown_options: { no_intra_emphasis: true, autolink: true, fenced_code_blocks: true }
      )
      link :target => "_blank", :rel => "nofollow"
    end.gsub(/(>https?:\/\/[^\<\\]+)/) do |match| 
      truncate(match)
    end.gsub('<pre>', '').gsub('</pre>', '')
  ).html_safe
end

#syntax_highlighter(html) ⇒ Object 



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# File 'app/helpers/home_page/application_helper.rb', line 50

def syntax_highlighter(html)  
  doc = Nokogiri::HTML(html)  
  
  doc.search("//code[@class]").each do |code|  
    code.replace Albino.colorize(code.text.rstrip, code[:class])  
  end  
  
  doc.to_s  
end