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# == Using plugin assets for form tag helpers

#

# It's as easy to use plugin images for image_submit_tag using Engines as it is for image_tag:

#

#   <%= image_submit_tag "my_face", :plugin => "my_plugin" %>

#

# ---

#

# This module enhances one of the methods from ActionView::Helpers::FormTagHelper:

#

#  * image_submit_tag

#

# This method now accepts the key/value pair <tt>:plugin => "plugin_name"</tt>,

# which can be used to specify the originating plugin for any assets.

#

module Engines::RailsExtensions::FormTagHelpers

	def self.included(base)

		base.class_eval do

			alias_method_chain :image_submit_tag, :engine_additions

		end

	end

	# Adds plugin functionality to Rails' default image_submit_tag method.

	def image_submit_tag_with_engine_additions(source, options={})

		options.stringify_keys!

		if options["plugin"]

			source = Engines::RailsExtensions::AssetHelpers.plugin_asset_path(options["plugin"], "images", source)

			options.delete("plugin")

		end

		image_submit_tag_without_engine_additions(source, options)

	end

end

module ::ActionView::Helpers::FormTagHelper #:nodoc:

  include Engines::RailsExtensions::FormTagHelpers

end