Parent

Heel::MimeMap

MimeMap is a Heel specific mime mapping utility. It is based upon MIME::Type and adds some additional mime types. It can also say what the icon name for a particular mime type is.

Public Class Methods

additional_mime_types() click to toggle source

if any other mime types are needed, add them directly via the mime-types calls.

# File lib/heel/mime_map.rb, line 39
def additional_mime_types
  @additional_mime_types ||= [
    # [ content-type , [ array, of, filename, extentions] ]
    ["images/svg+xml", ["svg"]],
    ["video/x-flv", ["flv"]],
    ["application/x-shockwave-flash", ["swf"]],
    ["text/plain", ["rb", "rhtml"]],
  ]
end
icons_by_mime_type() click to toggle source
# File lib/heel/mime_map.rb, line 16
def icons_by_mime_type
  @icons_by_mime_type ||= {
      "text/plain"                => "page_white_text.png",
      "image"                     => "picture.png",
      "pdf"                       => "page_white_acrobat.png",
      "xml"                       => "page_white_code.png",
      "compress"                  => "compress.png",
      "gzip"                      => "compress.png",
      "zip"                       => "compress.png",
      "application/xhtml+xml"     => "xhtml.png",
      "application/word"          => "page_word.png",
      "application/excel"         => "page_excel.png",
      "application/powerpoint"    => "page_white_powerpoint.png",
      "text/html"                 => "html.png",
      "application"               => "application.png",
      "text"                      => "page_white_text.png",
      :directory                  => "folder.png",
      :default                    => "page_white.png",
  }
end
new() click to toggle source
# File lib/heel/mime_map.rb, line 50
def initialize
  MimeMap.additional_mime_types.each do |mt|
    if MIME::Types[mt.first].size == 0 then
      type = MIME::Type.from_array(mt)
      MIME::Types.add(type)
    else
      type = MIME::Types[mt.first].first
      mt[1].each do |ext|
        type.extensions << ext unless type.extensions.include?(ext)
      end
      # have to reindex if new extensions added
      MIME::Types.index_extensions(type)
    end
  end
end

Public Instance Methods

default_mime_type() click to toggle source
# File lib/heel/mime_map.rb, line 66
def default_mime_type
  @default_mime_type ||= MIME::Types["application/octet-stream"].first
end
icon_for(mime_type) click to toggle source

return the icon name for a particular mime type

# File lib/heel/mime_map.rb, line 78
def icon_for(mime_type)
  icon = nil
  [:content_type, :sub_type, :media_type].each do |t| 
    icon = MimeMap.icons_by_mime_type[mime_type.send(t)]
    return icon if icon
  end
  icon = MimeMap.icons_by_mime_type[:default]
end
mime_type_of(f) click to toggle source

returns the mime type of the file at a given pathname

# File lib/heel/mime_map.rb, line 72
def mime_type_of(f)
  MIME::Types.of(f).first || default_mime_type
end

[Validate]

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