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forgot to add these
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Reinier Balt
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module ActionView #:nodoc:
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# <tt>ActionView::Base.swf_default_options</tt> is a hash that
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# will be used to specify defaults in priority to the standard
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# defaults.
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class Base
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@@swf_default_options = {}
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cattr_accessor :swf_default_options
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end
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module Helpers # :nodoc:
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module AssetTagHelper
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# Computes the path to an swf asset in the public 'swfs' directory.
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# Full paths from the document root will be passed through.
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# Used internally by +swf_tag+ to build the swf path.
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#
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# ==== Examples
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# swf_path("example") # => /swfs/example.swf
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# swf_path("example.swf") # => /swfs/example.swf
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# swf_path("fonts/optima") # => /swfs/fonts/optima.swf
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# swf_path("/fonts/optima") # => /fonts/optima.swf
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# swf_path("http://www.example.com/game.swf") # => http://www.example.com/game.swf
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#
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# It takes into account the global setting +asset_host+, like any other asset:
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#
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# ActionController::Base.asset_host = "http://assets.example.com"
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# image_path("logo.jpg") # => http://assets.example.com/images/logo.jpg
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# swf_path("fonts/optima") # => http://assets.example.com/swfs/fonts/optima.swf
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#
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def swf_path(source)
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if defined? SwfTag
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SwfTag.new(self, @controller, source).public_path
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else
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compute_public_path(source, SwfAsset::DIRECTORY, SwfAsset::EXTENSION)
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end
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end
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alias_method :path_to_swf, :swf_path # aliased to avoid conflicts with a swf_path named route
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private
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module SwfAsset # :nodoc:
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DIRECTORY = 'swfs'.freeze
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EXTENSION = 'swf'.freeze
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def directory
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DIRECTORY
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end
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def extension
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EXTENSION
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end
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end
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# AssetTag is available since 2.1.1 (http://github.com/rails/rails/commit/900fd6eca9dd97d2341e89bcb27d7a82d62965bf )
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class SwfTag < AssetTag # :nodoc:
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include SwfAsset
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end if defined? AssetTag
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end
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end
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end
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@ -0,0 +1,197 @@
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module ActionView #:nodoc:
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module Helpers # :nodoc:
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module SwfFuHelper
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# Returns a set of tags that display a Flash object within an
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# HTML page.
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#
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# Options:
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# * <tt>:id</tt> - the DOM +id+ of the flash +object+ element that is used to contain the Flash object; defaults to the name of the swf in +source+
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# * <tt>:width, :height</tt> - the width & height of the Flash object. Defaults to "100%". These could also specified using :size
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# * <tt>:size</tt> - the size of the Flash object, in the form "400x300".
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# * <tt>:mode</tt> - Either :dynamic (default) or :static. Refer to SWFObject's doc[http://code.google.com/p/swfobject/wiki/documentation#Should_I_use_the_static_or_dynamic_publishing_method?]
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# * <tt>:flashvars</tt> - a Hash of variables that are passed to the swf. Can also be a string like <tt>"foo=bar&hello=world"</tt>
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# * <tt>:parameters</tt> - a Hash of configuration parameters for the swf. See Adobe's doc[http://kb.adobe.com/selfservice/viewContent.do?externalId=tn_12701#optional]
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# * <tt>:alt</tt> - HTML text that is displayed when the Flash player is not available. Defaults to a "Get Flash" image pointing to Adobe Flash's installation page.
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# * <tt>:flash_version</tt> - the version of the Flash player that is required (e.g. "7" (default) or "8.1.0")
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# * <tt>:auto_install</tt> - a swf file that will upgrade flash player if needed (defaults to "expressInstall" which was installed by swf_fu)
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# * <tt>:javascript_class</tt> - specify a javascript class (e.g. "MyFlash") for your flash object. The initialize method will be called when the flash object is ready.
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# * <tt>:initialize</tt> - arguments to pass to the initialization method of your javascript class.
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# * <tt>:div_id</tt> - the DOM +id+ of the containing div itself. Defaults to <tt>"#{option[:id]}"_div</tt>
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#
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def swf_tag(source, options={}, &block)
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Generator.new(source, options, self).generate(&block)
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end
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# For compatibility with the older FlashObject.
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# It modifies the given options before calling +swf_tag+.
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# See FLASH_OBJECT.rdoc
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def flashobject_tag_for_compatibility(source, options={})
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options = options.reverse_merge(
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:auto_install => nil,
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:parameters => {:scale => "noscale"},
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:variables => {:lzproxied => false},
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:flash_id => "flashcontent_#{rand(1_100)}",
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:background_color => "#ffffff"
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)
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{ :variables => :flashvars, :flash_id => :id }.each{|from, to| options[to] ||= options.delete(from) }
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options[:parameters][:bgcolor] ||= options.delete(:background_color)
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swf_tag(source, options)
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end
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alias_method :flashobject_tag, :flashobject_tag_for_compatibility unless defined? flashobject_tag
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private
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DEFAULTS = {
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:width => "100%",
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:height => "100%",
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:flash_version => 7,
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:mode => :dynamic,
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:auto_install => "expressInstall",
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:alt => <<-"EOS".squeeze(" ").strip.freeze
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<a href="http://www.adobe.com/go/getflashplayer">
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<img src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="Get Adobe Flash player" />
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</a>
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EOS
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}.freeze
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class Generator # :nodoc:
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VALID_MODES = [:static, :dynamic]
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def initialize(source, options, view)
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@view = view
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@source = view.swf_path(source)
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options = ActionView::Base.swf_default_options.merge(options)
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options.each do |key, value|
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options[key] = value.call(source) if value.respond_to?(:call)
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end
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[:html_options, :parameters, :flashvars].each do |k|
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options[k] = convert_to_hash(options[k]).reverse_merge convert_to_hash(ActionView::Base.swf_default_options[k])
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end
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options.reverse_merge!(DEFAULTS)
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options[:id] ||= source.gsub(/^.*\//, '').gsub(/\.swf$/,'')
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options[:id] = force_to_valid_id(options[:id])
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options[:div_id] ||= options[:id]+"_div"
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options[:div_id] = force_to_valid_id(options[:div_id])
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options[:width], options[:height] = options[:size].scan(/^(\d*%?)x(\d*%?)$/).first if options[:size]
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options[:auto_install] &&= @view.swf_path(options[:auto_install])
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options[:flashvars][:id] ||= options[:id]
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@mode = options.delete(:mode)
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@options = options
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unless VALID_MODES.include? @mode
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raise ArgumentError, "options[:mode] should be either #{VALID_MODES.join(' or ')}"
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end
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end
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def force_to_valid_id(id)
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id = id.gsub /[^A-Za-z0-9\-_]/, "_" # HTML id can only contain these characters
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id = "swf_" + id unless id =~ /^[A-Z]/i # HTML id must start with alpha
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id
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end
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def generate(&block)
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if block_given?
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@options[:alt] = @view.capture(&block)
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if Rails::VERSION::STRING >= "3.0"
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send(@mode)
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elsif Rails::VERSION::STRING < "2.2"
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@view.concat(send(@mode), block.binding)
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else
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@view.concat(send(@mode))
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end
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else
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send(@mode)
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end
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end
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private
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CONCAT = ActiveSupport.const_defined?(:SafeBuffer) ? :safe_concat : :concat
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def convert_to_hash(s)
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case s
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when Hash
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s
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when nil
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{}
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when String
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s.split("&").inject({}) do |h, kvp|
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key, value = kvp.split("=")
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h[key.to_sym] = CGI::unescape(value)
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h
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end
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else
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raise ArgumentError, "#{s} should be a Hash, a String or nil"
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end
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end
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def convert_to_string(h)
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h.map do |key_value|
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key_value.map{|val| CGI::escape(val.to_s)}.join("=")
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end.join("&")
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end
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def static
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param_list = @options[:parameters].map{|k,v| %(<param name="#{k}" value="#{v}"/>) }.join("\n")
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param_list += %(\n<param name="flashvars" value="#{convert_to_string(@options[:flashvars])}"/>) unless @options[:flashvars].empty?
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html_options = @options[:html_options].map{|k,v| %(#{k}="#{v}")}.join(" ")
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r = @view.javascript_tag(
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%(swfobject.registerObject("#{@options[:id]}_container", "#{@options[:flash_version]}", #{@options[:auto_install].to_json});)
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)
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r.send CONCAT, <<-"EOS".strip
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<div id="#{@options[:div_id]}"><object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="#{@options[:width]}" height="#{@options[:height]}" id="#{@options[:id]}_container" #{html_options}>
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<param name="movie" value="#{@source}" />
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#{param_list}
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<!--[if !IE]>-->
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<object type="application/x-shockwave-flash" data="#{@source}" width="#{@options[:width]}" height="#{@options[:height]}" id="#{@options[:id]}">
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#{param_list}
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<!--<![endif]-->
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#{@options[:alt]}
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<!--[if !IE]>-->
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</object>
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<!--<![endif]-->
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</object></div>
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EOS
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r << @view.javascript_tag(extend_js) if @options[:javascript_class]
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r.send CONCAT, library_check
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r
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end
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def dynamic
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@options[:html_options] = @options[:html_options].merge(:id => @options[:id])
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@options[:parameters] = @options[:parameters].dup # don't modify the original parameters
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args = (([@source] + @options.values_at(:div_id,:width,:height,:flash_version)).map(&:to_s) +
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@options.values_at(:auto_install,:flashvars,:parameters,:html_options)
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).map(&:to_json).join(",")
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preambule = @options[:switch_off_auto_hide_show] ? "swfobject.switchOffAutoHideShow();" : ""
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r = @view.javascript_tag(preambule + "swfobject.embedSWF(#{args})")
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r.send CONCAT, <<-"EOS".strip
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<div id="#{@options[:div_id]}">
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#{@options[:alt]}
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</div>
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EOS
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r << @view.javascript_tag("swfobject.addDomLoadEvent(function(){#{extend_js}})") if @options[:javascript_class]
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r.send CONCAT, library_check
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r
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end
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def extend_js
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arglist = case
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when @options[:initialize].instance_of?(Array)
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@options[:initialize].map(&:to_json).join(",")
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when @options.has_key?(:initialize)
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@options[:initialize].to_json
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else
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""
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end
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"Object.extend($('#{@options[:id]}'), #{@options[:javascript_class]}.prototype).initialize(#{arglist})"
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end
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def library_check
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return "" unless 'development' == ENV['RAILS_ENV']
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@view.javascript_tag(<<-"EOS")
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if (typeof swfobject == 'undefined') {
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document.getElementById('#{@options[:div_id]}').innerHTML = '<strong>Warning:</strong> SWFObject.js was not loaded properly. Make sure you <tt><%= javascript_include_tag :defaults %></tt> or <tt><%= javascript_include_tag :swfobject %></tt>';
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}
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EOS
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end
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end #class Generator
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end
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end
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end
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