Starting the markdown editor.

cms/static/js/speed-editor.js

@@ -21,6 +21,7 @@ function initProblemEditors($editor, $prev) {
   $currentEditor = $editor;
   simpleEditor = CodeMirror.fromTextArea($editor.find('.edit-box')[0], {
     lineWrapping: true,
+//    TODO: I left out the extra keys for now.
       extraKeys: {
       'Ctrl-N': newUnit,
       'Ctrl-H': makeHeader,

cms/templates/widgets/problem-edit.html

 <%include file="metadata-edit.html" />
 <section class="problem-editor editor">
     <div class="row">
+        <%
+         markdown = 'foo'
+        %>
         %if markdown != '' or data == '':
         <div class="editor-bar">
             <ul class="format-buttons">

common/lib/xmodule/xmodule/js/src/problem/markdown.coffee

 class @MarkdownEditingDescriptor extends XModule.Descriptor
   constructor: (@element) ->
-    @edit_box = CodeMirror.fromTextArea($(".xml-box", @element)[0], {
+    @xml_editor = CodeMirror.fromTextArea($(".xml-box", @element)[0], {
     mode: "xml"
     lineNumbers: true
     lineWrapping: true
     })
 
+    @markdown_editor = CodeMirror.fromTextArea($(".edit-box", @element)[0], {
+    lineWrapping: true
+    mode: null
+    onChange: @onMarkdownEditorUpdate
+    })
+
+  onMarkdownEditorUpdate: ->
+    console.log('update')
+
   save: ->
-    data: @edit_box.getValue()
+    data: @xml_editor.getValue()