Module: WebResourceBundler::RailsAppHelpers

Defined in:
lib/web_resource_bundler/rails_app_helpers.rb

Instance Method Summary collapse

Instance Method Details

#construct_block(block_data, settings) ⇒ Object 



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# File 'lib/web_resource_bundler/rails_app_helpers.rb', line 23

def construct_block(block_data, settings)
  result = ""
  #we should include only mhtml files if browser IE 7 or 6
  if mhtml_should_be_added?
    styles = block_data.files.select do |f| 
      !([WebResourceBundler::ResourceFileType::MHTML, WebResourceBundler::ResourceFileType::IE_CSS] & f.types).empty?
    end
  else
  #it normal browser - so just including base64 css
    styles = block_data.files.select {|f| f.types.include?(WebResourceBundler::ResourceFileType::CSS)}
  end
  styles.each do |file|
    url = File.join('/', file.path)
    result << stylesheet_link_tag(url) 
    result << "\n"
  end
  block_data.scripts.each do |file|
    url = File.join('/', file.path)
    result << javascript_include_tag(url) 
    result << "\n"
  end
  result << block_data.inline_block unless block_data.inline_block.blank?
  block_data.child_blocks.each do |block|
    result << construct_block(block, settings)
  end
  unless block_data.condition.empty?
    result = "<!--#{block_data.condition}>\n #{result}<![endif]-->\n"
  end
  #removing unnecessary new line symbols
  result.gsub!(/\n(\s)+/, "\n")
  result
end

#mhtml_should_be_added? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/web_resource_bundler/rails_app_helpers.rb', line 56

def mhtml_should_be_added?
  result = false
  pattern = /MSIE (.*?);/
  header = request.headers['HTTP_USER_AGENT']
  match = pattern.match(header)
  if match and match[1] <= '7.0'  
      result = true
  end
  return result
end

#web_resource_bundler_process(&block) ⇒ Object 



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# File 'lib/web_resource_bundler/rails_app_helpers.rb', line 3

def web_resource_bundler_process(&block)
  #getting ActionView::NonConcattingString
  #but we want simple string to escape problems
  result = String.new(capture(&block))
  #result is original block content by default
  version = Rails::VERSION::STRING
  if !params['no_bundler'] and WebResourceBundler::Bundler.instance.settings_correct
    #we want to keep original string unchanged so we can return same content on error
    block_data = WebResourceBundler::Bundler.instance.process(result.dup, request.host_with_port, request.protocol.gsub(/:\/\//,''))
    #if everything ok with bundling we should construct resulted html content and change result
    result = construct_block(block_data, WebResourceBundler::Bundler.instance.settings) if block_data 
  end
  case
    when version >= '3.0.0' then return raw(result) 
    when (version >= '2.2.0' and version < '2.4.0') then concat(result)
  else
    concat(result, block.binding)
  end
end