private void SetFocus(ControlState state)
{
if (!IsFocused)
{
return;
}
switch (state)
{
case ControlState.Initial:
case ControlState.NumberInput:
CardNumberInputTextBox.SelectionStart = CardNumberInputTextBox.Text.Length;
CardNumberInputTextBox.Focus(FocusState.Programmatic);
break;
case ControlState.DateInput:
DateTextBox.SelectionStart = DateTextBox.Text.Length;
DateTextBox.Focus(FocusState.Programmatic);
break;
case ControlState.SecurityCodeInput:
SecurityCodePasswordBox.Focus(FocusState.Programmatic);
break;
}
}
private Task CollapseNumberInputField()
{
var textLength = CardNumberInputTextBox.Text.Length;
var rectFromCharacterIndex = CardNumberInputTextBox.GetRectFromCharacterIndex(textLength - 5, true);
var numberInputFieldOffset = -rectFromCharacterIndex.X;
NumberInputSlideTimeline.To = numberInputFieldOffset;
var numberFieldAnimation = NumberInputSlideStoryboard.BeginAsync();
var dataFieldAnimation = DataInputSlideStoryboard.BeginAsync();
return(Task.WhenAll(numberFieldAnimation, dataFieldAnimation));
}
