Refactored the item equips view to limit items by slot and also moved the item name loading to the node class itself.

app/collections/CocoCollection.coffee

@@ -4,10 +4,14 @@ module.exports = class CocoCollection extends Backbone.Collection
   loaded: false
   model: null
 
-  initialize: ->
+  initialize: (models, options) ->
+    options ?= {}
+    @model ?= options.model
     if not @model
       console.error @constructor.name, 'does not have a model defined. This will not do!'
-    super()
+    super(models, options)
+    @setProjection options.project
+    if options.url then @url = options.url
     @once 'sync', =>
       @loaded = true
       model.loaded = true for model in @models
@@ -15,7 +19,13 @@ module.exports = class CocoCollection extends Backbone.Collection
   getURL: ->
     return if _.isString @url then @url else @url()
 
-  fetch: ->
-    @jqxhr = super(arguments...)
+  fetch: (options) ->
+    options ?= {}
+    if @project
+      options.data ?= {}
+      options.data.project = @project.join(',')
+    @jqxhr = super(options)
     @loading = true
     @jqxhr
+
+  setProjection: (@project) -> 

app/templates/loading_error.jade

@@ -24,8 +24,5 @@
   else
     strong(data-i18n="loading_error.unknown") Unknown error.
 
-  if resourceIndex !== undefined
-    button.btn.btn-xs.retry-loading-resource(data-i18n="common.retry", data-resource-index=resourceIndex) Retry
-  if requestIndex !== undefined
-    button.btn.btn-xs.retry-loading-request(data-i18n="common.retry", data-request-index=requestIndex) Retry
-    
+  button.btn.btn-xs.retry-loading-resource(data-i18n="common.retry", data-resource-index=resourceIndex) Retry
+  button.btn.btn-xs.skip-loading-resource(data-i18n="common.skip", data-resource-index=resourceIndex) Skip

app/views/editor/component/ThangComponentsEditView.coffee

@@ -33,8 +33,6 @@ module.exports = class ThangComponentsEditView extends CocoView
     @world = options.world
     @level = options.level
     @loadComponents(@components)
-    # Need to grab the ThangTypes so that we can autocomplete items in inventory based on them.
-    @itemThangTypes = @supermodel.loadCollection(new ItemThangTypeSearchCollection(), 'thangs').model
     
   setThangType: (@thangType) ->
     return unless componentRefs = @thangType?.get('components')

app/views/editor/level/treema_nodes.coffee

@@ -1,5 +1,7 @@
 WorldSelectModal = require './modals/WorldSelectModal'
 ThangType = require '/models/ThangType'
+LevelComponent = require 'models/LevelComponent'
+CocoCollection = require 'collections/CocoCollection'
 
 makeButton = -> $('<a class="btn btn-primary btn-xs treema-map-button"><span class="glyphicon glyphicon-screenshot"></span></a>')
 shorten = (f) -> parseFloat(f.toFixed(1))
@@ -221,11 +223,63 @@ module.exports.ThangTypeNode = class ThangTypeNode extends TreemaNode.nodeMap.st
     else
       @data = null
 
-module.exports.ItemThangTypeNode = class ThangTypeNode extends ThangTypeNode
+module.exports.ItemThangTypeNode = ItemThangTypeNode = class ItemThangTypeNode extends TreemaNode.nodeMap.string
   valueClass: 'treema-item-thang-type'
+  @items: null
+  @itemsCollection: null
+
+  constructor: ->
+    super(arguments...)
+    @getItems() 
+    unless ItemThangTypeNode.itemsCollection.loaded
+      ItemThangTypeNode.itemsCollection.once('sync', @refreshDisplay, @)
+     
   buildValueForDisplay: (valEl, data) ->
-    super(valEl, data)
-    thangTypeNames = (m.get('name') for m in @settings.supermodel.getModels ThangType when m.get('kind') is 'Item')
-    input = valEl.find('input').autocomplete(source: thangTypeNames, minLength: 0, delay: 0, autoFocus: true)
-    input.val(@thangType?.get('name') or 'None')
+    @buildValueForDisplaySimply(valEl, @getCurrentItem() or '')
     valEl
+    
+  buildValueForEditing: (valEl, data) ->
+    super(valEl, data)
+    if ItemThangTypeNode.items
+      source = (item.name for item in ItemThangTypeNode.items when @keyForParent in item.slots)
+      input = valEl.find('input').autocomplete(source: source, minLength: 0, delay: 0, autoFocus: true)
+    input.val(@getCurrentItem() or '')
+    valEl
+    
+  getCurrentItem: ->
+    window.itemData = @getData()
+    window.items = ItemThangTypeNode.items
+    return null unless ItemThangTypeNode.items
+    original = @getData()
+    return null unless original
+    item = _.find ItemThangTypeNode.items, { original: original }
+    item?.name or '...'
+    
+  getItems: ->
+    return if ItemThangTypeNode.itemsCollection
+    ItemThangTypeNode.itemsCollection = new CocoCollection([], {
+      url: '/db/thang.type'
+      project:['name', 'components', 'original']
+      model: ThangType
+    })
+    res = ItemThangTypeNode.itemsCollection.fetch()
+    ItemThangTypeNode.itemsCollection.once 'sync', => @processItems(ItemThangTypeNode.itemsCollection)
+    
+  processItems: (itemCollection) ->
+    ItemThangTypeNode.items = []
+    for itemThang in itemCollection.models
+      itemComponent = _.find itemThang.get('components'), {original: LevelComponent.ItemID}
+      continue unless itemComponent
+      slots = itemComponent.config?.slots
+      continue unless slots?.length
+      ItemThangTypeNode.items.push {
+        name: itemThang.get('name')
+        original: itemThang.get('original')
+        slots: slots
+      }
+
+  saveChanges: ->
+    thangTypeName = @$el.find('input').val()
+    item = _.find(ItemThangTypeNode.items, {name: thangTypeName})
+    return @remove() unless item
+    @data = item.original

app/views/kinds/CocoView.coffee

@@ -17,7 +17,7 @@ module.exports = class CocoView extends Backbone.View
 
   events:
     'click .retry-loading-resource': 'onRetryResource'
-    'click .retry-loading-request': 'onRetryRequest'
+    'click .skip-loading-resource': 'onSkipResource'
 
   subscriptions: {}
   shortcuts: {}
@@ -148,6 +148,13 @@ module.exports = class CocoView extends Backbone.View
     res.load()
     @$el.find('.progress').show()
     $(e.target).closest('.loading-error-alert').remove()
+    
+  onSkipResource: (e) ->
+    res = @supermodel.getResource($(e.target).data('resource-index'))
+    return unless res and res.isFailed
+    res.markLoaded()
+    @$el.find('.progress').show()
+    $(e.target).closest('.loading-error-alert').remove()
 
   # Modals
 

test/app/collections/CocoCollection.spec.coffee

@@ -0,0 +1,12 @@
+CocoCollection = require 'collections/CocoCollection'
+LevelComponent = require 'models/LevelComponent'
+
+describe 'CocoCollection', ->
+  it 'can be given a project function to include a project query arg', ->
+    collection = new CocoCollection([], {
+      url: '/db/level.component'
+      project:['name', 'description']
+      model: LevelComponent
+    })
+    collection.fetch({data: {view: 'items'}})
+    expect(jasmine.Ajax.requests.mostRecent().url).toBe('/db/level.component?view=items&project=name%2Cdescription')