// Simple validation to check if new locale is an extension of a default locale
private void CustomLocaleField_Validating(object sender, CancelEventArgs e)
{
String newLocale = CustomLocaleField.Text.Trim();
String baseLocale;
Boolean isValid = false;
if (newLocale.Length > 0 && newLocale != TextHelper.GetString("Label.AddCustomLocale"))
{
foreach (ListItem locale in _defaultLocales)
{
baseLocale = locale.Value + "-";
if (newLocale.StartsWithOrdinal(baseLocale) && newLocale.Length > baseLocale.Length)
{
isValid = true;
break;
}
}
if (!isValid)
{
ValidationErrorProvider.SetError(CustomLocaleField, TextHelper.GetString("Validation.InvalidLocale"));
e.Cancel = true;
}
else
{
ValidationErrorProvider.SetError(CustomLocaleField, "");
}
}
else
{
ValidationErrorProvider.SetError(CustomLocaleField, "");
}
_customLocaleIsValid = isValid;
}
private bool ValidateControls( )
{
if (ImageRadioButton.Checked && ImageTextBox.Text.Length == 0)
{
ValidationErrorProvider.SetError(ImageRadioButton, "No image is selected.");
return(false);
}
else
{
ValidationErrorProvider.SetError(ImageRadioButton, string.Empty);
}
if (CustomRadioButton.Checked && CustomTextBox.Text.Length == 0)
{
ValidationErrorProvider.SetError(CustomRadioButton, "Enter label text");
return(false);
}
else
{
ValidationErrorProvider.SetError(CustomRadioButton, string.Empty);
}
return(true);
}
//Clear text boxes and errors, send focus back to Date
private void ClearUserInput()
{
DatePicker.Value = DateTime.Today;
DepositRadioButton.Checked = true;
AmountTextBox.Text = "";
PayeeTextBox.Text = "";
CheckTextBox.Text = "";
ValidationErrorProvider.Clear();
DepositRadioButton.Focus();
}
//Collect user input, validate input, update balance if validation passed, clear form
private void AddTransButton_Click(object sender, EventArgs e)
{
ValidationErrorProvider.Clear(); //Clear previous errors
if (UserInputCompleted()) //User input is in correct format
{
decimal TempAmount = decimal.Parse(AmountTextBox.Text);
if (Transaction.DecimalExcedeZero(TempAmount))//Amount is greater than Zero
{
//Create Transaction
Transaction NewTransaction = new Transaction(DatePicker.Value, TempAmount, SelectedType, PayeeTextBox.Text,
CheckTextBox.Text);
Transactions.Add(NewTransaction); //Add Transaction to TransactionList
UpdateBalanceLabel(); //Display new balance
TransListBox.Items.Add(NewTransaction.ToString()); //Add transaction to listbox
}
}
}
//Check validity of important fields
private bool UserInputCompleted()
{
bool InputComplete = true; //Flag
if (!Transaction.IsDate(DatePicker.Text)) //Date can be parsed
{
InputComplete = false;
ValidationErrorProvider.SetError(DatePicker, string.Format(DATEINPUTERROR, DatePicker.Text));
}
if (!Transaction.IsDecimal(AmountTextBox.Text)) //Parsed as decimal
{
InputComplete = false;
ValidationErrorProvider.SetError(AmountTextBox, AMOUNTINPUTERROR);
}
if (WithdrawRadioButton.Checked)//Payee entered if withdraw type selected
{
if (PayeeTextBox.Text == string.Empty)
{
InputComplete = false;
ValidationErrorProvider.SetError(PayeeTextBox, PAYEEINPUTERROR);
}
}
return(InputComplete);
}