anchor.diff:  
   
   
  +  ##
  +  # Change the last selected slot's appearence to looks like 'added to cart'
  +  ##
     $scope.markSlotAsAdded = ->
       $scope.selectedEvent.backgroundColor = FREE_SLOT_BORDER_COLOR
       $scope.selectedEvent.title = _t('i_reserve')
       updateCalendar()
   
  +
  +
  +  ##
  +  # Change the last selected slot's appearence to looks like 'never added to cart'
  +  ##
     $scope.markSlotAsRemoved = (slot) ->
       slot.backgroundColor = 'white'
       slot.borderColor = FREE_SLOT_BORDER_COLOR
  
positive.code:         slot.user = user
  
  
    updateCalendar = ->
      uiCalendarConfig.calendars.calendar.fullCalendar 'rerenderEvents'
  
  
  
    refetchCalendar = ->
      $timeout ->
        uiCalendarConfig.calendars.calendar.fullCalendar 'refetchEvents'
  
negative.code:     updateCalendar()
  
  
    ##
    # When modifying an already booked reservation, callback when the modification was successfully done.
    ##
    $scope.modifyMachineSlot = ->
  