Module: Sinatra::SwfDitty

Defined in:
lib/sinatra/swf_ditty.rb

Instance Method Summary collapse

Instance Method Details

#content_tag(name, content, options = {}) ⇒ Object 



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# File 'lib/sinatra/swf_ditty.rb', line 60

def content_tag(name,content,options={})
  options = options.map{ |k,v| "#{k}='#{v}'" }.join(" ")
  "<#{name} #{options}>#{content}</#{name}>"
end

#filename_to_dom_id(str) ⇒ Object

Convert a string to dom-friendly format. Adapted from permalink_fu



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# File 'lib/sinatra/swf_ditty.rb', line 40

def filename_to_dom_id(str)
  result = str.split("/").last.gsub(".", "_") # e.g. 'foo.swf' -> 'foo_swf'
  result.gsub!(/[^\x00-\x7F]+/, '') # Remove anything non-ASCII entirely (e.g. diacritics).
  result.gsub!(/[^\w \-]+/i, '') # Remove unwanted chars.
  result.gsub!(/[ \-]+/i, '-') # No more than one of the separator in a row.
  result.gsub!(/^\-|\-$/i, '') # Remove leading/trailing separator.
  result.downcase
end

#hash_to_key_value_string(hash) ⇒ Object

Convert a hash to a string of k:v pairs, delimited by commas Wrap in quotes unless numeric or flashvars hash



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# File 'lib/sinatra/swf_ditty.rb', line 51

def hash_to_key_value_string(hash)
  hash.each_pair.map do |k,v|
    v = "'#{v}'" unless k.to_s=='flashvars' || !v.to_s.match(/^[0-9]*\.[0-9]+|[0-9]+$/).nil?
    "#{k}:#{v}"
  end.sort.join(", ")
end

#render_swf(swf, *args) ⇒ Object 



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# File 'lib/sinatra/swf_ditty.rb', line 6

def render_swf(swf, *args)
  options = {
    :swf => swf,
    :dom_id => filename_to_dom_id(swf),
    :name => filename_to_dom_id(swf),
    :width => "100%",
    :height => "100%",
    :wmode => "opaque",
    :allowScriptAccess => "sameDomain",
    :create_dom_container => true,
  }.merge(args.extract_options!)

  out = []

  # Yank dom_id out of the options hash
  dom_id = options.delete(:dom_id)

  # Yank create_dom_container option out of the hash, if it exists
  # Create DOM container if option is set to something other than false or nil
  out << content_tag(:div, "", :id => dom_id) if options.delete(:create_dom_container)

  # Turn flashvars hash into a flashvars-style formatted string
  options[:flashvars] = "{" + hash_to_key_value_string(options[:flashvars]) + "}" if options[:flashvars]

  # Format options hash (excluding flashvars) into a key:value string..
  embed = hash_to_key_value_string(options)

  # Spit it out!
  out << content_tag(:script, "$(document).ready(function(){$('##{dom_id}').flash({#{embed}});});", :type => "text/javascript", :charset => "utf-8")
  out.reverse.join("\n")
end