From 29e69db0dc1b141f5d9d97aba7038e34efd7f0b1 Mon Sep 17 00:00:00 2001
From: Prem Sichanugrist <psichanugrist@thoughtbot.com>
Date: Thu, 28 Jun 2012 18:10:22 -0400
Subject: [PATCH] Implement HTML module save

---
 cms/djangoapps/contentstore/views.py           |  2 ++
 cms/static/coffee/src/main.coffee              |  2 ++
 cms/static/coffee/src/models/module.coffee     | 12 ++++++++++--
 cms/static/coffee/src/views/module_edit.coffee |  9 ++++++++-
 4 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/cms/djangoapps/contentstore/views.py b/cms/djangoapps/contentstore/views.py
index 76a904a403..9166763c87 100644
--- a/cms/djangoapps/contentstore/views.py
+++ b/cms/djangoapps/contentstore/views.py
@@ -2,6 +2,7 @@ from mitxmako.shortcuts import render_to_response
 from xmodule.modulestore.django import modulestore
 from django_future.csrf import ensure_csrf_cookie
 from django.http import HttpResponse
+from util.json_request import expect_json
 import json
 
 from fs.osfs import OSFS
@@ -28,6 +29,7 @@ def edit_item(request):
     })
 
 
+@expect_json
 def save_item(request):
     item_id = request.POST['id']
     data = json.loads(request.POST['data'])
diff --git a/cms/static/coffee/src/main.coffee b/cms/static/coffee/src/main.coffee
index ed27c8ab34..9fa5f3a392 100644
--- a/cms/static/coffee/src/main.coffee
+++ b/cms/static/coffee/src/main.coffee
@@ -27,6 +27,8 @@
 _.extend CMS, Backbone.Events
 
 $ ->
+  Backbone.emulateHTTP = true
+
   $.ajaxSetup
       headers : { 'X-CSRFToken': $.cookie 'csrftoken' }
 
diff --git a/cms/static/coffee/src/models/module.coffee b/cms/static/coffee/src/models/module.coffee
index c3430d3938..dbcc412d5c 100644
--- a/cms/static/coffee/src/models/module.coffee
+++ b/cms/static/coffee/src/models/module.coffee
@@ -1,9 +1,17 @@
 class CMS.Models.Module extends Backbone.Model
-  initialize: ->
+  url: '/save_item'
+  defaults:
+    data: '{}'
+
+  loadModule: (element) ->
     try
-      @module = new window[@get('type')](@get('id'))
+      @module = new window[@get('type')](element)
     catch TypeError
       console.error "Unable to load #{@get('type')}." if console
 
   editUrl: ->
     "/edit_item?#{$.param(id: @get('id'))}"
+
+  save: (args...) ->
+    @set(data: JSON.stringify(@module.save())) if @module
+    super(args...)
diff --git a/cms/static/coffee/src/views/module_edit.coffee b/cms/static/coffee/src/views/module_edit.coffee
index d8a6acdcc3..7611d75fa4 100644
--- a/cms/static/coffee/src/views/module_edit.coffee
+++ b/cms/static/coffee/src/views/module_edit.coffee
@@ -5,9 +5,16 @@ class CMS.Views.ModuleEdit extends Backbone.View
   events:
     'click .cancel': 'cancel'
     'click .module-edit': 'editSubmodule'
+    'click .save-update': 'save'
 
   initialize: ->
-    @$el.append($("""<div id="#{@model.get('id')}">""").load(@model.editUrl()))
+    @$el.load @model.editUrl(), =>
+      @model.loadModule(@el)
+
+  save: (event) ->
+    event.preventDefault()
+    @model.save().success ->
+      console.log "Saved"
 
   cancel: ->
     CMS.popView()