private void btn_CurrAdd_Click(object sender, RoutedEventArgs e)
{
btn_CurrAdd.IsEnabled = false;
string addStatus = "ADDED";
bool isAddAvailable = true;
Border border = new Border();
foreach (string existedCurrency in cbox_srcCrnc.Items)
{
if (tbox_NewCurrency.Text == existedCurrency)
{
isAddAvailable = false;
border.Visibility = Visibility.Visible;
addStatus = "ERROR";
break;
}
}
if (isAddAvailable)
{
cbox_trgCrnc.Items.Add(tbox_NewCurrency.Text);
cbox_srcCrnc.Items.Add(tbox_NewCurrency.Text);
TXT_DB.SaveDataBase(DB_path, currencies);
}
else
{
border.Visibility = Visibility.Visible;
}
tbox_NewCurrency.TextChanged -= tbox_newCurrency_TextChanged;
tbox_NewCurrency.Text = addStatus;
var dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
dispatcherTimer.Tick += delegate
{
tbox_NewCurrency.TextChanged += tbox_newCurrency_TextChanged;
tbox_NewCurrency.Text = "";
dispatcherTimer.Stop();
};
dispatcherTimer.Interval = new TimeSpan(0, 0, 1);
dispatcherTimer.Start();
}
public MainWindow()
{
InitializeComponent();
currconvAPI = new CurrconvAPI("5f1965af1bceb7361177");
srcAmount = double.Parse(tbox_srcCrncAmount.Text);
trgAmount = double.Parse(tbox_trgCrncAmount.Text);
srcRate = double.Parse(tbox_srcRate.Text);
trgRate = double.Parse(tbox_trgRate.Text);
tbox_srcCrncAmount.TextChanged += tbox_srcCrncAmount_TextChanged;
tbox_trgCrncAmount.TextChanged += tbox_trgCrncAmount_TextChanged;
tbox_srcRate.TextChanged += tbox_srcRate_TextChanged;
tbox_trgRate.TextChanged += tbox_trgRate_TextChanged;
tbox_NewCurrency.TextChanged += tbox_newCurrency_TextChanged;
TextChangedEventHandler validate = delegate { ValidateTextBoxInput(); };
tbox_srcCrncAmount.TextChanged += validate;
tbox_trgCrncAmount.TextChanged += validate;
tbox_srcRate.TextChanged += validate;
tbox_trgRate.TextChanged += validate;
cbox_srcCrnc.SelectionChanged += cbox_SelectionChanged;
cbox_trgCrnc.SelectionChanged += cbox_SelectionChanged;
cbox_srcCrnc.SelectionChanged += cbox_srcCrnc_SelectionChanged;
cbox_trgCrnc.SelectionChanged += cbox_trgCrnc_SelectionChanged;
cbox_srcCrnc.GotFocus += cbox_GotFocus;
cbox_trgCrnc.GotFocus += cbox_GotFocus;
cbox_srcCrnc.LostFocus += cbox_LostFocus;
cbox_trgCrnc.LostFocus += cbox_LostFocus;
TXT_DB.DB_Load(DB_path, AddNewCrnc);
cbox_srcCrnc.SelectedIndex = 0;
SelectionChangedEventHandler currencyRateSetter = delegate
{
string srcCrnc = cbox_srcCrnc.SelectedItem as string;
string trgCrnc = cbox_trgCrnc.SelectedItem as string;
BackgroundWorker worker = new BackgroundWorker();
tbox_srcRate.Text = "...";
tbox_trgRate.Text = "...";
worker.DoWork += (sender, args) =>
{
args.Result = currconvAPI.GetExchangeRate(srcCrnc, trgCrnc);
};
worker.RunWorkerCompleted += (sender, args) =>
{
tbox_srcRate.Text = string.Format("{0:0.00##}", args.Result);
};
worker.RunWorkerAsync();
};
cbox_srcCrnc.SelectionChanged += currencyRateSetter;
cbox_trgCrnc.SelectionChanged += currencyRateSetter;
cbox_trgCrnc.SelectedIndex = 1;
}