Disabled checkboxes don't submit a form value. Closes #9301.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8007 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

 *SVN*
 
+* Disabled checkboxes don't submit a form value.  #9301 [vladr, robinjfisher]
+
 * Added tests for options to ActiveRecordHelper#form. Closes #7213 [richcollins, mikong, mislav]
 
 * Changed before_filter halting to happen automatically on render or redirect but no longer on simply returning false [DHH]

actionpack/lib/action_view/helpers/form_helper.rb

@@ -486,7 +486,7 @@ def to_check_box_tag(options = {}, checked_value = "1", unchecked_value = "0")
         end
         options["checked"] = "checked" if checked
         add_default_name_and_id(options)
-        tag("input", options) << tag("input", "name" => options["name"], "type" => "hidden", "value" => unchecked_value)
+        tag("input", options) << tag("input", "name" => options["name"], "type" => "hidden", "value" => options['disabled'] && checked ? checked_value : unchecked_value)
       end
 
       def to_date_tag()

actionpack/test/template/form_helper_test.rb

@@ -172,6 +172,13 @@ def test_check_box_with_explicit_checked_and_unchecked_values
     )
   end
 
+  def test_checkbox_disabled_still_submits_checked_value
+    assert_dom_equal(
+      '<input checked="checked" disabled="disabled" id="post_secret" name="post[secret]" type="checkbox" value="1" /><input name="post[secret]" type="hidden" value="1" />',
+      check_box("post", "secret", { :disabled => :true })
+    )
+  end
+
   def test_radio_button
     assert_dom_equal('<input checked="checked" id="post_title_hello_world" name="post[title]" type="radio" value="Hello World" />',
       radio_button("post", "title", "Hello World")