Correctly hide the content when cancel

cms/static/coffee/src/views/course.coffee

@@ -4,6 +4,7 @@ class CMS.Views.Course extends Backbone.View
       new CMS.Views.Week el: week, height: @maxWeekHeight()
 
     CMS.on('showContent', @showContent)
+    CMS.on('hideContent', @hideContent)
 
   showContent: (subview) =>
     $('body').addClass('content')
@@ -11,6 +12,12 @@ class CMS.Views.Course extends Backbone.View
     @$('.cal').css height: @contentHeight()
     @$('>section').css minHeight: @contentHeight()
 
+  hideContent: =>
+    $('body').removeClass('content')
+    @$('.main-content').empty()
+    @$('.cal').css height: ''
+    @$('>section').css minHeight: ''
+
   maxWeekHeight: ->
     _.max($('#weeks > li').map -> $(this).height()) + 1
 

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

@@ -2,6 +2,12 @@ class CMS.Views.ModuleEdit extends Backbone.View
   tagName: 'section'
   className: 'edit-pane'
 
+  events:
+    'click .cancel': 'cancel'
+
   initialize: ->
     CMS.trigger 'module.edit'
-    @$el.append($('<div id="module-html">').load(@model.editUrl()))
+    @$el.append($("""<div id="#{@model.get('id')}">""").load(@model.editUrl()))
+
+  cancel: ->
+    CMS.trigger 'hideContent'

cms/static/coffee/src/views/week.coffee

@@ -3,13 +3,22 @@ class CMS.Views.Week extends Backbone.View
     'click .module-edit': 'edit'
 
   initialize: ->
-    @model = new CMS.Models.Week(id: @el.id)
-    @$el.height @options.height
+    @model = new CMS.Models.Week(id: @$el.data('id'))
+    @setHeight()
     @$('.editable').inlineEdit()
     @$('.editable-textarea').inlineEdit(control: 'textarea')
 
-    @$('#modules .module').each ->
+    @$('.modules .module').each ->
       new CMS.Views.Module el: this
 
+    CMS.on('showContent', @resetHeight)
+    CMS.on('hideContent', @setHeight)
+
   edit: =>
     CMS.trigger('showContent', new CMS.Views.WeekEdit(model: @model))
+
+  setHeight: =>
+    @$el.height(@options.height)
+
+  resetHeight: =>
+    @$el.height('')