registers ticking, but objects not showing

lib/base/list_view.rb

@@ -7,18 +7,31 @@ class ListView < ElementView
     @elements = []
   end
 
+  # can be overriden to return a string that will be passed to div to create the root
+  # element for the list. See "div" in ElementView for possible strings
   def root
     "div"
   end
 
-  def draw on
+  # create a root node acording to the "root" function (default div)
+  # draw all chilren and keep the elements as @elements
+  # return (as per base class) the single root of the collection
+  def draw
     @element = div(self.root)
     @elements = @children.collect do | c |
-      elem = c.draw(@element)
-      elem.append_to(@element)
-      elem
+      add_element c.draw
     end
     @element
   end
 
+  # replace the child at index with the given one (second arg)
+  # The child must be an ElementView , which will be rendered and
+  # the old node will be replaces in the live dom
+  def replace_at index , with
+    old = @elements[index]
+    @chilren[index] = with
+    rendered = with.draw
+    @elements[index] = rendered
+    old.replace_with rendered
+  end
 end