Html Module can now be editing, saved, and re-opened

cms/djangoapps/contentstore/views.py

 from mitxmako.shortcuts import render_to_response
 from keystore.django import keystore
+from django_future.csrf import ensure_csrf_cookie
+from django.http import HttpResponse
+import json
 
 
+@ensure_csrf_cookie
 def index(request):
     # TODO (cpennington): These need to be read in from the active user
     org = 'mit.edu'
@@ -20,3 +24,10 @@ def edit_item(request):
         'type': item.type,
         'name': item.name,
     })
+
+
+def save_item(request):
+    item_id = request.POST['id']
+    data = json.loads(request.POST['data'])
+    keystore().update_item(item_id, data)
+    return HttpResponse(json.dumps({}))

cms/envs/common.py

@@ -22,6 +22,8 @@ Longer TODO:
 import sys
 import tempfile
 import os.path
+import os
+import errno
 from path import path
 
 ############################ FEATURE CONFIGURATION #############################
@@ -156,7 +158,15 @@ PIPELINE_CSS = {
 PIPELINE_ALWAYS_RECOMPILE = ['sass/base-style.scss']
 
 from x_module import XModuleDescriptor
-js_file_dir = tempfile.mkdtemp('js', dir=PROJECT_ROOT / "static")
+js_file_dir = PROJECT_ROOT / "static" / "coffee" / "module"
+try:
+    os.makedirs(js_file_dir)
+except OSError as exc:
+    if exc.errno == errno.EEXIST:
+        pass
+    else:
+        raise
+
 module_js_sources = []
 for xmodule in XModuleDescriptor.load_classes():
     js = xmodule.get_javascript()
@@ -172,7 +182,7 @@ for xmodule in XModuleDescriptor.load_classes():
 
 PIPELINE_JS = {
     'main': {
-        'source_filenames': ['coffee/main.coffee'],
+        'source_filenames': ['coffee/main.coffee', 'coffee/unit.coffee'],
         'output_filename': 'js/main.js',
     },
     'module-js': {

cms/static/.gitignore

-tmp*js

cms/static/coffee/.gitignore

 *.js
+module

cms/static/coffee/main.coffee

@@ -3,16 +3,18 @@ bind_edit_links = ->
         edit_item($(this).attr('id'))
         return false
 
-edit_item = (id) ->
-    $.get('/edit_item', {id: id}, (data) ->
+edit_item = (id) =>
+    $.get('/edit_item', {id: id}, (data) =>
         $('#module-html').empty().append(data)
         bind_edit_links()
         $('section.edit-pane').show()
         $('body').addClass('content')
-        new window[$('#unit-wrapper').attr('class')] 'module-html'
+        new @Unit('unit-wrapper', id)
     )
 
 $ ->
+    $.ajaxSetup
+        headers : { 'X-CSRFToken': $.cookie 'csrftoken' }
     $('section.main-content').children().hide()
     $('.editable').inlineEdit()
     $('.editable-textarea').inlineEdit({control: 'textarea'})

cms/static/coffee/unit.coffee

+class @Unit
+    constructor: (@element_id, @module_id) ->
+        @module = new window[$("##{@element_id}").attr('class')] 'module-html'
+
+        $("##{@element_id} .save-update").click( (event) =>
+            event.preventDefault()
+            $.post("save_item", {
+                id: @module_id
+                data: JSON.stringify(@module.save())
+            })
+            
+        )
+

cms/static/js/jquery.cookie.js

+/*!
+ * jQuery Cookie Plugin
+ * https://github.com/carhartl/jquery-cookie
+ *
+ * Copyright 2011, Klaus Hartl
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://www.opensource.org/licenses/mit-license.php
+ * http://www.opensource.org/licenses/GPL-2.0
+ */
+(function($) {
+    $.cookie = function(key, value, options) {
+
+        // key and at least value given, set cookie...
+        if (arguments.length > 1 && (!/Object/.test(Object.prototype.toString.call(value)) || value === null || value === undefined)) {
+            options = $.extend({}, options);
+
+            if (value === null || value === undefined) {
+                options.expires = -1;
+            }
+
+            if (typeof options.expires === 'number') {
+                var days = options.expires, t = options.expires = new Date();
+                t.setDate(t.getDate() + days);
+            }
+
+            value = String(value);
+
+            return (document.cookie = [
+                encodeURIComponent(key), '=', options.raw ? value : encodeURIComponent(value),
+                options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
+                options.path    ? '; path=' + options.path : '',
+                options.domain  ? '; domain=' + options.domain : '',
+                options.secure  ? '; secure' : ''
+            ].join(''));
+        }
+
+        // key and possibly options given, get cookie...
+        options = value || {};
+        var decode = options.raw ? function(s) { return s; } : decodeURIComponent;
+
+        var pairs = document.cookie.split('; ');
+        for (var i = 0, pair; pair = pairs[i] && pairs[i].split('='); i++) {
+            if (decode(pair[0]) === key) return decode(pair[1] || ''); // IE saves cookies with empty string as "c; ", e.g. without "=" as opposed to EOMB, thus pair[1] may be undefined
+        }
+        return null;
+    };
+})(jQuery);

cms/templates/base.html

@@ -34,6 +34,7 @@
 
     <%static:js group='module-js'/>
     <script src="${ STATIC_URL }/js/jquery.inlineedit.js"></script>
+    <script src="${ STATIC_URL }/js/jquery.cookie.js"></script>
     <script src="${ STATIC_URL }/js/jquery.leanModal.min.js"></script>
     <script src="${ STATIC_URL }/js/jquery.tablednd.js"></script>
   </body>

cms/urls.py

@@ -7,4 +7,5 @@ from django.conf.urls.defaults import patterns, url
 urlpatterns = patterns('',
     url(r'^$', 'contentstore.views.index', name='index'),
     url(r'^edit_item$', 'contentstore.views.edit_item', name='edit_item'),
+    url(r'^save_item$', 'contentstore.views.save_item', name='save_item'),
 )

common/lib/xmodule/js/module/html.coffee

 class @HTML
     constructor: (@id) ->
-        id = @id
-        $("##{id} .edit-box").on('input', ->
-            $("##{id} .preview").empty().append($(this).val())
+        @edit_box = $("##{@id} .edit-box")
+        @preview = $("##{@id} .preview")
+        @edit_box.on('input', =>
+            @preview.empty().append(@edit_box.val())
         )
 
-    save: -> $("##{@id} .edit-box").val()
+    save: -> {text: @edit_box.val()}