Fixed link_to "somewhere", :post => true to produce valid XHTML by us…

…ing the parentnode instead of document.body for the instant form (closes #3007) [Bob Silva]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3928 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Fixed link_to "somewhere", :post => true to produce valid XHTML by using the parentnode instead of document.body for the instant form #3007 [Bob Silva]
+
 * Added :function option to PrototypeHelper#observe_field/observe_form that allows you to call a function instead of submitting an ajax call as the trigger #4268 [jonathan@daikini.com]
 
 * Make Mime::Type.parse consider q values (if any) [Jamis Buck]

actionpack/lib/action_view/helpers/url_helper.rb

@@ -269,7 +269,7 @@ def popup_javascript_function(popup)
         end
 
         def post_javascript_function
-          "var f = document.createElement('form'); document.body.appendChild(f); f.method = 'POST'; f.action = this.href; f.submit();"
+          "var f = document.createElement('form'); this.parentNode.appendChild(f); f.method = 'POST'; f.action = this.href; f.submit();"
         end
 
         # Processes the _html_options_ hash, converting the boolean

actionpack/test/template/url_helper_test.rb

@@ -110,14 +110,14 @@ def test_link_tag_with_popup_and_javascript_confirm
 
   def test_link_tag_using_post_javascript
     assert_dom_equal(
-      "<a href=\"http://www.example.com\" onclick=\"var f = document.createElement('form'); document.body.appendChild(f); f.method = 'POST'; f.action = this.href; f.submit();return false;\">Hello</a>",
+      "<a href=\"http://www.example.com\" onclick=\"var f = document.createElement('form'); this.parentNode.appendChild(f); f.method = 'POST'; f.action = this.href; f.submit();return false;\">Hello</a>",
       link_to("Hello", "http://www.example.com", :post => true)
     )
   end
 
   def test_link_tag_using_post_javascript_and_confirm
     assert_dom_equal(
-      "<a href=\"http://www.example.com\" onclick=\"if (confirm('Are you serious?')) { var f = document.createElement('form'); document.body.appendChild(f); f.method = 'POST'; f.action = this.href; f.submit(); };return false;\">Hello</a>",
+      "<a href=\"http://www.example.com\" onclick=\"if (confirm('Are you serious?')) { var f = document.createElement('form'); this.parentNode.appendChild(f); f.method = 'POST'; f.action = this.href; f.submit(); };return false;\">Hello</a>",
       link_to("Hello", "http://www.example.com", :post => true, :confirm => "Are you serious?")
     )    
   end