Add RJS#page.reload. [#277 state:resolved]

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

actionpack/CHANGELOG

 *Edge*
 
+* Added page.reload functionality. Resolves #277. [Sean Huber]
+
 * Fixed Request#remote_ip to only raise hell if the HTTP_CLIENT_IP and HTTP_X_FORWARDED_FOR doesn't match (not just if they're both present) [Mark Imbriaco, Bradford Folkens]
 
 * Allow caches_action to accept a layout option [José Valim]

actionpack/lib/action_view/helpers/prototype_helper.rb

@@ -868,6 +868,16 @@ def redirect_to(location)
             record "window.location.href = #{url.inspect}"
           end
           
+          # Reloads the browser's current +location+ using JavaScript
+          #
+          # Examples:
+          #
+          #  # Generates: window.location.reload();
+          #  page.reload
+          def reload
+            record 'window.location.reload()'
+          end
+
           # Calls the JavaScript +function+, optionally with the given +arguments+.
           #
           # If a block is given, the block will be passed to a new JavaScriptGenerator;

actionpack/test/template/prototype_helper_test.rb

@@ -347,6 +347,11 @@ def test_redirect_to
       @generator.redirect_to("http://www.example.com/welcome?a=b&c=d")
   end
   
+  def test_reload
+    assert_equal 'window.location.reload();',
+      @generator.reload
+  end
+
   def test_delay
     @generator.delay(20) do
       @generator.hide('foo')