tuple.coffee

class Item extends Backbone.Model
  default: { user: null, message: null }

class ItemView extends Backbone.View
  tagName: 'div'
  template: _.template "<div class='user'><%- user %></div><div class='message'><%- message %></div>"
  render: ->
    @$el.addClass('item').html @template @model.toJSON()
    return @

class Items extends Backbone.Collection
  model: Item

items = new Items

class ItemsView extends Backbone.View
  el: $ '#items'
  initialize: (@collection) ->
    @collection.each (item) => @append item
    @listenTo @collection, 'add', @append
  append: (item) ->
    @$el.prepend (new ItemView model: item).render().el

tuple = [decodeURIComponent window.location.pathname.split('/')[1]]

(linda = new Linda).io.on 'connect', ->
  ts = new linda.TupleSpace 'homeboard'
  ts.watch tuple, (tuple) ->
    if 1 < tuple[1].length
      items.add new Item
        message: tuple[1]
        user: if tuple[2]? then tuple[2] else null

$ -> new ItemsView items