Added a CampaignLevelView stub that appears when you double click a level node or one of its children on the treema.

app/styles/editor/campaign/campaign-editor-view.sass

@@ -17,3 +17,12 @@
     bottom: 0
     right: 0
     width: 75%
+
+  #campaign-level-view
+    position: absolute
+    top: 0
+    left: 0
+    right: 0
+    bottom: 0
+    background-color: white
+    z-index: 3

app/templates/editor/campaign/campaign-editor-view.jade

@@ -39,6 +39,6 @@ block outer_content
 
     #right-column
       #campaign-view
-      #campaign-level-view
+      #campaign-level-view.hidden
 
 block footer

app/templates/editor/campaign/campaign-level-view.jade

@@ -0,0 +1,4 @@
+.jumbotron
+  .button.close(type="button", aria-hidden="true") ×
+  h1= level.get('name')
+  p= level.get('description')

app/views/editor/campaign/CampaignEditorView.coffee

@@ -9,6 +9,7 @@ treemaExt = require 'core/treema-ext'
 utils = require 'core/utils'
 SaveCampaignModal = require './SaveCampaignModal'
 RelatedAchievementsCollection = require 'collections/RelatedAchievementsCollection'
+CampaignLevelView = require './CampaignLevelView'
 
 achievementProject = ['related', 'rewards', 'name', 'slug']
 thangTypeProject = ['name', 'original', 'slug']
@@ -242,6 +243,13 @@ module.exports = class CampaignEditorView extends RootView
     @campaign.set key, value for key, value of @treema.data
     @campaignView.setCampaign(@campaign)
 
+  onTreemaDoubleClicked: (e, node) =>
+    path = node.getPath()
+    return unless _.string.startsWith path, '/levels/'
+    original = path.split('/')[2]
+    level = @supermodel.getModelByOriginal Level, original
+    @insertSubView new CampaignLevelView({}, level)
+
   onCampaignLevelMoved: (e) ->
     path = "levels/#{e.levelOriginal}/position"
     @treema.set path, e.position

app/views/editor/campaign/CampaignLevelView.coffee

@@ -0,0 +1,19 @@
+CocoView = require 'views/core/CocoView'
+
+module.exports = class CampaignLevelView extends CocoView
+  id: 'campaign-level-view'
+  template: require 'templates/editor/campaign/campaign-level-view'
+  
+  events:
+    'click .close': 'onClickClose'
+  
+  constructor: (options, @level) ->
+    super(options)
+    
+  getRenderData: ->
+    c = super()
+    c.level = @level
+    c
+
+  onClickClose: ->
+    @$el.addClass('hidden')