Module: ActiveAdminAddons::PaperclipAttachment

Defined in:
lib/activeadmin_addons/addons/paperclip_attachment.rb

Constant Summary collapse

KNOWN_EXTENSIONS = 
%w{
  3gp 7z ace ai aif aiff amr asf asx bat bin bmp bup cab cbr cda cdl cdr chm
  dat divx dll dmg doc docx dss dvf dwg eml eps exe fla flv gif gz hqx htm html
  ifo indd iso jar jpeg jpg lnk log m4a m4b m4p m4v mcd mdb mid mov mp2 mp4
  mpeg mpg msi mswmm ogg pdf png pps ppt pptx ps psd pst ptb pub qbb qbw qxd ram
  rar rm rmvb rtf sea ses sit sitx ss swf tgz thm tif tmp torrent ttf txt
  vcd vob wav wma wmv wps xls xlsx xpi zip
}

Class Method Summary collapse

Class Method Details

.for_ext(file_extension) ⇒ Object 



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# File 'lib/activeadmin_addons/addons/paperclip_attachment.rb', line 17

def for_ext file_extension
  ext = file_extension.start_with?('.') ? file_extension[1..-1] : file_extension
  ext.downcase!
  ext = "unknown" unless KNOWN_EXTENSIONS.include?(ext)
  "fileicons/file_extension_#{ext}.png"
end

.icon_for_filename(filename) ⇒ Object 



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# File 'lib/activeadmin_addons/addons/paperclip_attachment.rb', line 13

def icon_for_filename filename
  for_ext File.extname(filename)
end

.link(context, model, attribute, options) ⇒ Object 



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# File 'lib/activeadmin_addons/addons/paperclip_attachment.rb', line 24

def link(context, model, attribute, options)
  doc = model.send(attribute)
  raise 'you need to pass a paperclip attribute' unless doc.respond_to?(:url)

  icon = icon_for_filename(doc.original_filename)
  icon_img = context.image_tag(icon, width: "20", height: "20", style: "margin-right: 5px; vertical-align: middle;")
  file_name = (options[:truncate] == true) ? context.truncate(doc.original_filename) : doc.original_filename
  label = context.content_tag(:span) do
    context.concat(icon_img)
    context.safe_concat(file_name)
  end

  context.link_to(label, doc.url, { target: "_blank" }) if doc.exists?
end