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:       $scope.selectedPlan = plan
      else
        $scope.selectedPlan = null
  
  
  
    ##
    # Checks if $scope.events.modifiable and $scope.events.placable have tag incompatibilities
    # @returns {boolean} true in case of incompatibility
    ##
    $scope.tagMissmatch = ->
      for tag in $scope.events.modifiable.tags
        if tag.id not in $scope.events.placable.tag_ids
          return true
      false
  
  
  
  
negative.code:     updateCalendar()
  
  
    ##
    # When modifying an already booked reservation, callback when the modification was successfully done.
    ##
    $scope.modifyMachineSlot = ->
  