Call js module name dynamically, rather than statically calling the HTML module

cms/djangoapps/contentstore/views.py

@@ -17,4 +17,7 @@ def index(request):
 def edit_item(request):
     item_id = request.GET['id']
     item = keystore().get_item(item_id)
-    return HttpResponse(item.get_html())
+    return render_to_response('unit.html', {
+        'contents': item.get_html(),
+        'type': item.type,
+    })

cms/static/coffee/main.coffee

@@ -9,7 +9,7 @@ edit_item = (id) ->
         bind_edit_links()
         $('section.edit-pane').show()
         $('body').addClass('content')
-        window['construct_html']('module-html')
+        new window[$('#unit-wrapper').attr('class')] 'module-html'
     )
 
 $ ->

cms/templates/unit.html

@@ -0,0 +1,3 @@
+<div id="unit-wrapper" class="${type}">
+    ${contents}
+</div>