public string this[string vehicle]
        {
            get
            {
                string result = null;
                switch (vehicle)
                {
                case "RegistrationNumber":
                    if (string.IsNullOrEmpty(RegistrationNumber))
                    {
                        result = "It cannot be empty";
                    }
                    break;

                case "Model":
                    if (string.IsNullOrEmpty(Model))
                    {
                        result = "It cannot be empty";
                    }
                    break;

                case "Manufacturer":
                    if (string.IsNullOrWhiteSpace(Manufacturer))
                    {
                        result = "it cannot be empty";
                    }
                    else if (Manufacturer.Length < 3)
                    {
                        result = "it must be minimum of 3 characters";
                    }
                    break;

                case "MakeYear":
                    if (string.IsNullOrWhiteSpace(MakeYear.ToString()))
                    {
                        result = "it cannot be empty";
                    }
                    break;

                case "TankCapacity":
                    if (string.IsNullOrWhiteSpace(TankCapacity.ToString()))
                    {
                        result = "it cannot be empty";
                    }
                    break;
                }
                if (ErrorCollection.ContainsKey(vehicle))
                {
                    ErrorCollection[vehicle] = result;
                }
                else if (result != null)
                {
                    ErrorCollection.Add(vehicle, result);
                }

                OnPropertyChanged("ErrorCollection");
                return(result);
            }
        }
示例#2
0
 private void WriteRow(StringBuilder target, string name, TankCapacity row)
 {
     target.AppendFormat("{0,-20}", name);
     if (row.TankCount > 1)
     {
         target.AppendFormat(" x{0,-2}", row.TankCount);
     }
     else
     {
         target.Append("    ");
     }
     target.AppendFormat("  {0,3:#0%}", row.AvailableContents / row.Capacity);
     target.AppendFormat("  {0,4} / {1,4}", Unit.Volume.FormatSI(row.AvailableContents), Unit.Volume.FormatSI(row.Capacity));
     if (row.IsStockpiling)
     {
         target.AppendFormat("  ({0,4})", Unit.Volume.FormatSI(row.Contents));
     }
     target.AppendLine();
 }
        //Method to withdraw water from tank
        public string WithdrawWater(int gallonsToWithdraw)
        {
            //Declare local variables
            string withdrawString;

            //Add water if not at capacity
            if (gallonsToWithdraw <= WaterLevel)
            {
                WaterLevel     = (WaterLevel - gallonsToWithdraw);
                withdrawString = $" Gallons Drained: {gallonsToWithdraw.ToString()} \r\n Current Water Level: {WaterLevel.ToString()} \r\n Tank Capacity: {TankCapacity.ToString()}";
            }
            else
            {
                withdrawString = $" Insufficient water level. \r\n Maximum Allowed Gallons: {WaterLevel.ToString()}";
            }

            //Return value
            return(withdrawString);
        }
        //Method to add water to tank
        public string AddWater(int gallonsToAdd)
        {
            //Declare local variables
            string addString;

            //Add water if not at capacity
            if (gallonsToAdd <= (TankCapacity - WaterLevel))
            {
                WaterLevel += gallonsToAdd;
                addString   = $" Gallons Added: {gallonsToAdd.ToString()} \r\n Current Water Level: {WaterLevel.ToString()} \r\n Tank Capacity: {TankCapacity.ToString()}";
            }
            else
            {
                addString = $" WARNING! Tank will overflow. \r\n Current Water Level: {WaterLevel.ToString()} \r\n Maximum Additional Gallons: {(TankCapacity - WaterLevel).ToString()}";
            }

            //Return value
            return(addString);
        }