Set the original button value in an attribute of the button when using the :disable_with key with submit_tag

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6270 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Set the original button value in an attribute of the button when using the :disable_with key with submit_tag, so that the original can be restored later. [Jamis Buck]
+
 * session_enabled? works with session :off.  #6680 [Catfish]
 
 * Added :port and :host handling to UrlRewriter (which unified url_for usage, regardless of whether it's called in view or controller) #7616 [alancfrancis]

actionpack/lib/action_view/helpers/form_tag_helper.rb

@@ -142,6 +142,7 @@ module ActionView
         
         if disable_with = options.delete("disable_with")
           options["onclick"] = [
+            "this.setAttribute('originalValue', this.value)",
             "this.disabled=true",
             "this.value='#{disable_with}'",
             "#{options["onclick"]}",

actionpack/test/template/form_tag_helper_test.rb

@@ -132,7 +132,7 @@ class FormTagHelperTest < Test::Unit::TestCase
 
   def test_submit_tag
     assert_dom_equal(
-      %(<input name='commit' type='submit' value='Save' onclick="this.disabled=true;this.value='Saving...';alert('hello!');return (this.form.onsubmit ? (this.form.onsubmit() ? this.form.submit() : false) : this.form.submit())" />),
+      %(<input name='commit' type='submit' value='Save' onclick="this.setAttribute('originalValue', this.value);this.disabled=true;this.value='Saving...';alert('hello!');return (this.form.onsubmit ? (this.form.onsubmit() ? this.form.submit() : false) : this.form.submit())" />),
       submit_tag("Save", :disable_with => "Saving...", :onclick => "alert('hello!')")
     )
   end