gistfile1.txt

calculateTotal = (perception) ->
  total = perception.taxedAmount + perception.exemptAmount
  total.toFixed(2)

perceptionFields = ->
  scope: true
  require: "^payrollItems"

  link: (scope, _element, attrs, ctrl) ->
    scope.perception = { total: "0.00" }
    scope.firstItem = (angular.element("perception-fields").length == 1)
    scope.updateTotal = ->
      if scope.perception.taxedAmount && scope.perception.exemptAmount
        scope.perception.total = calculateTotal(scope.perception)
        ctrl.updateTotals()

    scope.removePerception = ->
      ctrl.removePerception(scope.perception)
      ctrl.updateTotals()

    ctrl.registerPerception(scope.perception)

angular.module("app.invoices").directive("perceptionFields", perceptionFields)