Level editor displays thangs in a more orderly fashion.

app/styles/editor/level/thangs_tab.sass

@@ -58,6 +58,17 @@
     h3
       margin: 0 -20px 0 0
       width: 100%
+      
+    h4
+      margin: 0 0 10px
+      clear: both
+      padding: 5px
+      background: rgba(150, 150, 150, 0.5)
+      width: $addPaletteWidth - 20px
+      box-sizing: border-box
+      
+    .clearfix
+      margin-bottom: 20px
 
     .add-thang-palette-icon
       position: relative

app/templates/editor/level/thangs_tab.jade

@@ -12,9 +12,11 @@
 .add-thangs-palette.thangs-column
   h3(data-i18n="editor.level_tab_thangs_add") Add Thangs
   #thangs-list
-    for thangType in thangTypes
-      div.add-thang-palette-icon(data-thang-type=thangType.name)
-        - path = '/file/db/thang.type/'+thangType.original+'/portrait.png'
-        img(title="Add " + thangType.name, src=path, alt="")
-
+    for group in groups
+      h4= group.name
+      for thangType in group.thangs
+        div.add-thang-palette-icon(data-thang-type=thangType.name)
+          - path = '/file/db/thang.type/'+thangType.original+'/portrait.png'
+          img(title="Add " + thangType.name, src=path, alt="")
+      div.clearfix
 #editor-level-thang-edit.hide

app/views/editor/level/thangs_tab_view.coffee

@@ -63,7 +63,24 @@ module.exports = class ThangsTabView extends View
 
   getRenderData: (context={}) =>
     context = super(context)
-    context.thangTypes = (thangType.attributes for thangType in @supermodel.getModels(ThangType))
+    thangTypes = (thangType.attributes for thangType in @supermodel.getModels(ThangType))
+    thangTypes = _.uniq thangTypes, false, 'original'
+    groupMap = {}
+    for thangType in thangTypes
+      groupMap[thangType.kind] ?= []
+      groupMap[thangType.kind].push thangType
+      
+    groups = []
+    for groupName in Object.keys(groupMap).sort()
+      someThangTypes = groupMap[groupName]
+      someThangTypes = _.sortBy someThangTypes, 'name'
+      group =
+        name: groupName
+        thangs: someThangTypes
+      groups.push group
+    
+    context.thangTypes = thangTypes
+    context.groups = groups
     context
 
   afterRender: ->

server/handlers/Handler.coffee

@@ -92,7 +92,7 @@ module.exports = class Handler
     unless @modelClass.schema.uses_coco_search
       return @sendNotFoundError(res)
 
-    project = {original:1, name:1, version:1, description: 1, slug:1}
+    project = {original:1, name:1, version:1, description: 1, slug:1, kind: 1}
     term = req.query.term
     matchedObjects = []
     filters = [{filter: {index: true}}]