Load preview modules when a cms edit page is opened

cms/static/coffee/src/views/module.coffee

@@ -4,4 +4,8 @@ class CMS.Views.Module extends Backbone.View
 
   edit: (event) =>
     event.preventDefault()
-    CMS.replaceView(new CMS.Views.ModuleEdit(model: new CMS.Models.Module(id: @$el.data('id'), type: @$el.data('type'))))
+    CMS.replaceView new CMS.Views.ModuleEdit
+        model: new CMS.Models.Module
+            id: @$el.data('id')
+            type: @$el.data('type')
+            previewType: @$el.data('preview-type')

cms/static/coffee/src/views/module_edit.coffee

@@ -10,6 +10,8 @@ class CMS.Views.ModuleEdit extends Backbone.View
   initialize: ->
     @$el.load @model.editUrl(), =>
       @model.loadModule(@el)
+      @$el.find('.preview').each (idx, previewEl) =>
+          @model.loadPreview(previewEl)
 
   save: (event) ->
     event.preventDefault()