backbone2

gistfile1.txt

Cooking.Views.CashPositions ||= {}

class Cooking.Views.CashPositions.IndexView extends Backbone.View
  template: JST["backbone/templates/cash_positions/index"]
  model: Cooking.Models.CashPosition

  initialize: () ->
    that = @

    @collection.bind 'reset', @buildAll

    @collection.on('add', (cash_position) ->
      that.buildCashPosition(cash_position)
    )

    @collection.on('remove', (cash_position) ->
      that.removeCashPosition(cash_position)
    )
    
    @listenTo Backbone, 'CashPositionsIndex:cash_position:change', (cash_position) ->
      that.reBuildCashPosition(cash_position)
      that.removeExcessGivenCashPositions()
  

    @cash_positions_groups_view = {}
    @cash_positions_view = {}
    @cash_tables_view = {}
    @cash_adds_view = {}
    @dish_groups_view = {}
    @dish_group = false


  buildAll: () =>
    that = @
    _.each(@collection.statuses, (status) ->
      that.buildGroup(status)
    )


  buildGroup: (group) =>
    that = @
    @cash_positions_groups_view[group] = new Cooking.Views.CashPositions.CashPositionsGroupView({status: group})
    @$('.cash-positions__groups').append @cash_positions_groups_view[group].render().el
    @buildCashPositionsByGroup(group)


  buildCashPositionsByGroup: (group) ->
    that = @
    if group is "given"
      grouped_cash_positions = _(@collection.where({status: group})).sortBy((cash_position) ->
        cash_position.get("updated_at")
      )
      grouped_cash_positions = _(grouped_cash_positions).last(10)
      _.each( grouped_cash_positions, (cash_position) ->
        that.buildCashPosition(cash_position)
      )
    else
      _.each(@collection.where({status: group}), (cash_position) ->
        that.buildCashPosition(cash_position)
      )


  reBuildCashPosition: (cash_position) =>
    @removeCashPosition(cash_position)
    @buildCashPosition(cash_position)


  removeCashPosition: (cash_position) =>
    if @cash_positions_view[cash_position.get('id')]
      @cash_positions_view[cash_position.get('id')].remove()


  removeExcessGivenCashPositions: () =>
    that = @
    given_cash_positions = _(@collection.where({status: "given"})).sortBy((cash_position) ->
      cash_position.get("updated_at")
    ).reverse()

    if given_cash_positions.length > 10
      _(given_cash_positions).each (cash_position, index) ->
        if index >= 10
          that.removeCashPosition(cash_position)


  buildCashPosition: (cash_position) =>
    status = cash_position.get('status')

    @cash_positions_view[cash_position.get('id')] = new Cooking.Views.CashPositions.CashPositionView({
      model : cash_position
    })

    list = @$('.cash-positions-group--' + status + ' .cash-positions-group__list')

    if cash_position.get('status') is "given"
      list.prepend(@cash_positions_view[cash_position.get('id')].render().el)
    else
      list.append(@cash_positions_view[cash_position.get('id')].render().el)


  render: =>
    @$el.html(@template(cashPositions: @collection.toJSON() ))
    @buildAll()
    return this