private void OnFieldValidating(object sender, CancelEventArgs e)
{
var s = ((Control)sender).Text;
var name = ((Control)sender).Name;
if (s.Length > 0)
{
switch (name)
{
case "txtCost":
const string costMsg = "Expected value must be a number greater than zero";
if (!double.TryParse(s, out double v))
{
e.Cancel = true;
}
else
{
e.Cancel = v <= 0;
}
if (e.Cancel)
{
MessageBox.Show(costMsg, "Validation error", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
break;
case "cboExpenseItem":
case "cboSource":
var cbo = (ComboBox)sender;
if (!cbo.Items.Contains(s))
{
var msg = $"The list does not contain '{s}' \r\nDo you want to add a new item?";
if (MessageBox.Show(msg, "Item not found", MessageBoxButtons.OK, MessageBoxIcon.Information) == DialogResult.OK)
{
switch (name)
{
case "cboExpenseItem":
Gears.AddExpense(s);
break;
case "cboSource":
Gears.AddPaymentSource(s);
break;
}
cbo.Items.Add(s);
}
else
{
e.Cancel = true;
}
}
break;
}
}
}
