void Control_AfterTextChanged(object sender, AfterTextChangedEventArgs e)
{
var element = ((DecimalEntry)Element);
// 1. Stop listening for changes on our control Text property
if (!element.ShouldReactToTextChanges)
{
return;
}
element.ShouldReactToTextChanges = false;
// 2. Get the current cursor position
var cursorPosition = Control.SelectionStart;
// 3. Take the control’s text, lets name it oldText
var oldText = Control.Text;
// 4. Parse oldText into a number, lets name it number
int number = DecimalEntry.DumbParse(oldText);
element.Value = number;
// 5. Format number, and place the formatted text in newText
var valorFormatado = DecimalEntry.ConvertNumber(number);
if (number == 0)
{
valorFormatado = "";
}
var newText = valorFormatado;
// 6. Set the Text property of our control to newText
Control.Text = newText;
// 7. Calculate the new cursor position
var change = oldText.Length - newText.Length;
// 8. Set the new cursor position
int newPos = cursorPosition - change;
Control.SetSelection(newPos < 0 ? 0 : newPos);
// 9. Start listening for changes on our control’s Text property
element.ShouldReactToTextChanges = true;
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName.Equals(nameof(DecimalEntry.Value)))
{
var element = ((DecimalEntry)Element);
// Format number, and place the formatted text in newText
var formattedValue = DecimalEntry.ConvertNumber(element.Value);
if (element.Value == 0)
{
formattedValue = "";
}
var newText = formattedValue;
// Set the Text property of our control to newText
Control.Text = newText;
}
else
{
base.OnElementPropertyChanged(sender, e);
}
}