class Locmare.ProfilerModule.AssociationModule.BelongsTo extends Backbone.View
  tagName: 'div'
  
  initialize: (options) ->
    @association = options.association
    @belongs_to_manifest = options.belongs_to_manifest
  
  clear: () ->
    this.$el.html('')
    retriever = new Pettanr.Cache.Retriever(@parent_model(), @parent_id())
    @listenTo(retriever, 'retrieve', @retrieve_parent_item)
    retriever.retrieve()
    this
  
  retrieve_parent_item: (@parent_item) ->
    @set_filer()
    @render()
  
  render: () ->
    this.$el.html('')
    this.$el.append(@filer.el)
    this
  
  set_filer: () ->
    @filer = new Locmare.Filer({
      item_name: @parent_item.item_name(), 
      items: [@parent_item], 
      pager: null, 
    })
    @filer.render()
    @listenTo(@filer, 'http_get', @http_get)
    @listenTo(@filer, 'pick', @pick)
  
  item: () ->
    @profiler().item
  
  parent_model: () ->
    @belongs_to_manifest.model()
  
  parent_id: () ->
    c = @model_belongs_to_manifest().id_column
    @item().get(c)
  
  model_manifest: () ->
    Manifest.manifest().models[@profiler().item_name]
  
  model_belongs_to_manifest: () ->
    @model_manifest().associations.belongs_to[@belongs_to_manifest.item_name]
  
  profiler: () ->
    @association.profiler
  
  add_pick: (target_model) ->
    retriever = new Pettanr.Cache.Retriever(@parent_model(), @parent_id())
    @listenTo(retriever, 'retrieve', @retrieve_pick_item)
    retriever.retrieve()
  
  retrieve_pick_item: (@parent_item) ->
    @set_filer()
    @render()
    @filer.add_pick(target_model)
  
  http_get: (url) ->
    @trigger('http_get', url)
  
  pick: (item) ->
    @trigger('pick', item)