/// <summary>
/// A method for writing into the log file
/// </summary>
/// <param name="exception"></param>
private void errorLog(Exception exception)
{
AutomotiveManager.ErrorLog(exception, "Error reading form file.");
this.Shown += new EventHandler(delegate(object s, EventArgs evt)
{
this.Close();
});
}
/// <summary>
/// Loads the data from the FragranceData.txt into a list
/// </summary>
private void loadDataFragranceItemsFromFile()
{
_fragranceItems = new List <FragranceItem>();
string record = string.Empty;
string filepath = @"Data\FragranceData.txt";
FileStream stream = new FileStream(filepath, FileMode.Open);
StreamReader reader = new StreamReader(stream);
try
{
while ((record = reader.ReadLine()) != null)
{
string[] field = record.Split(',');
// Creating an instance and set the properties of the object
FragranceItem fragrance = new FragranceItem()
{
Fragrance = field[0],
Price = decimal.Parse(field[1])
};
_fragranceItems.Add(fragrance);
}
}
catch (FileNotFoundException exception)
{
AutomotiveManager.ErrorLog(exception, "Error reading from car wash data file.");
showError();
}
finally
{
if (reader != null)
{
reader.Close();
}
if (stream != null)
{
stream.Close();
}
}
}
/// <summary>
/// Validating the textbox trade-in allowance
/// </summary>
void txtTradeinAllowance_Validating(object sender, CancelEventArgs e)
{
string errorMessage = string.Empty;
if (!AutomotiveManager.IsNumeric(txtTradeinAllowance.Text))
{
errorMessage = "Please enter a numeric value.";
txtTradeinAllowance.Focus();
}
else if (decimal.Parse(txtTradeinAllowance.Text) < 0)
{
errorMessage = "Please enter a value greater than or equal to zero.";
txtTradeinAllowance.Focus();
}
if (errorMessage != string.Empty)
{
e.Cancel = true;
errorProvider.SetError(txtTradeinAllowance, errorMessage);
}
}
/// <summary>
/// Handles the validating of the txtCost
/// </summary>
void txtCost_Validating(object sender, CancelEventArgs e)
{
string errorMessage = string.Empty;
if (!AutomotiveManager.IsNumeric(txtCost.Text))
{
errorMessage = "Please enter a numeric value.";
}
else if (decimal.Parse(txtCost.Text) <= 0)
{
errorMessage = "Please enter a value greater than zero.";
}
if (errorMessage != string.Empty)
{
e.Cancel = true;
errorProvider.SetError(txtCost, errorMessage);
txtCost.Focus();
txtCost.SelectAll();
}
}
/// <summary>
/// Loads the Exterior data from the Exterior.txt into a list
/// </summary>
private void loadExteriorOptionsFromFile()
{
_exteriorOptions = new List <ExteriorOptions>();
string record = string.Empty;
string filepath = @"Data\Exterior.txt";
FileStream stream = new FileStream(filepath, FileMode.Open);
StreamReader reader = new StreamReader(stream);
try
{
while ((record = reader.ReadLine()) != null)
{
// Creating an instance and set the properties of the object
ExteriorOptions exterior = new ExteriorOptions()
{
Exterior = record
};
_exteriorOptions.Add(exterior);
}
}
catch (FileNotFoundException exception)
{
AutomotiveManager.ErrorLog(exception, "Error reading from car wash data file.");
showError();
}
finally
{
if (reader != null)
{
reader.Close();
}
if (stream != null)
{
stream.Close();
}
}
}
public frmCarWash()
{
InitializeComponent();
try
{
loadDataPackageItemsFromFile();
loadDataFragranceItemsFromFile();
LoadInteriorOptionsFromFile();
loadExteriorOptionsFromFile();
this.Load += new EventHandler(frmCarWash_Load);
foreach (PackageItem packageItem in _packageItems)
{
cboPackage.Items.Add(packageItem.ToString());
}
foreach (FragranceItem fragranceItem in _fragranceItems)
{
cboFragrance.Items.Add(fragranceItem.ToString());
}
}
catch (FileNotFoundException exception)
{
AutomotiveManager.ErrorLog(exception, "Error reading from car wash data file.");
showError();
}
catch (IOException exception)
{
AutomotiveManager.ErrorLog(exception, "Error reading from car wash data file.");
showError();
}
cboPackage.SelectedIndexChanged += new EventHandler(cboPackage_SelectedIndexChanged);
cboFragrance.SelectedIndexChanged += new EventHandler(cboFragrance_SelectedIndexChanged);
mnuGenerateInvoice.Click += new EventHandler(mnuGenerateInvoice_Click);
}
/// <summary>
/// Validating the textbox vehicle sale price
/// </summary>
void txtVehicleSalePrice_Validating(object sender, CancelEventArgs e)
{
txtVehicleSalePrice.Text = txtVehicleSalePrice.Text.Trim();
string errorMessage = string.Empty;
if (!AutomotiveManager.IsNumeric(txtVehicleSalePrice.Text))
{
errorMessage = "Please enter a numeric value.";
txtVehicleSalePrice.Focus();
}
else if (decimal.Parse(txtVehicleSalePrice.Text) <= 0)
{
errorMessage = "Please enter a value greater than zero.";
txtVehicleSalePrice.Focus();
}
if (!errorMessage.Equals(string.Empty))
{
e.Cancel = true;
errorProvider.SetError(txtVehicleSalePrice, errorMessage);
}
}
/// <summary>
/// Handles the event when calculate button is clicked
/// </summary>
void btnCalculateQuote_Click(object sender, EventArgs e)
{
if (this.ValidateChildren())
{
int accessories = 0;
if (chkStereoSystem.Checked)
{
accessories += 1;
}
if (chkLeatherInterior.Checked)
{
accessories += 2;
}
if (chkComputerNavigation.Checked)
{
accessories += 4;
}
RadioButton[] radioButton = { radStandard, radPearlized, radDetailing };
int index = -1;
for (int i = 0; i < radioButton.Length && index == -1; i++)
{
if (radioButton[i].Checked)
{
index = i + 1;
}
}
decimal taxRate = decimal.Parse(ConfigurationManager.AppSettings["GST"]) + decimal.Parse(ConfigurationManager.AppSettings["PST"]);
SalesQuote salesQuote = new SalesQuote(decimal.Parse(txtVehicleSalePrice.Text), decimal.Parse(txtTradeinAllowance.Text), taxRate, (Accessories)accessories, (ExteriorFinish)index);
lblVehicleSalePrice.Text = String.Format("{0:C}", decimal.Parse(txtVehicleSalePrice.Text));
lblOptions.Text = String.Format("{0:N}", salesQuote.AccessoryCost + salesQuote.FinishCost);
lblSubtotal.Text = String.Format("{0:C}", salesQuote.SubTotal);
lblSalesTax.Text = String.Format("{0:N}", salesQuote.SalesTax);
lblTotal.Text = String.Format("{0:C}", salesQuote.Total);
lblTradeInAllowance.Text = String.Format("{0:-#0.00}", decimal.Parse(txtTradeinAllowance.Text));
lblAmountDue.Text = String.Format("{0:C}", salesQuote.AmountDue);
if (salesQuote.AmountDue > 0.00M)
{
grpFinance.Enabled = true;
hsbInterestRate_ValueChanged(sender, e);
hsbNumberOfYears_ValueChanged(sender, e);
lblMonthlyPayment.Text = String.Format("{0:C}", AutomotiveManager.Payment((hsbInterestRate.Value / 10000M) / 12, hsbNumberOfYears.Value * 12, salesQuote.AmountDue));
}
else if (salesQuote.AmountDue < 0)
{
resetFinance();
grpFinance.Enabled = false;
}
txtVehicleSalePrice.SelectAll();
txtVehicleSalePrice.Focus();
}
}