void Native_AfterTextChanged(object sender, AfterTextChangedEventArgs e)
{
var startCursorPosition = source.CursorPosition;
var startText = source.Text;
var startTextLengthDifference = TextLengthDifference;
var maskedText = source.ApplyMask(source.Text);
if (maskedText != source.Text)
{
native.Text = maskedText;
int newCursorPosition = source.GetNewCursorPosition(startText, maskedText, startCursorPosition, startTextLengthDifference);
native.SetSelection(newCursorPosition, newCursorPosition);
}
}
protected internal void ApplyDefaultRule()
{
source.Locked = true;
if (String.IsNullOrEmpty(native.Text))
{
return;
}
if (String.IsNullOrEmpty(source.FormatCharacters))
{
source.FormatCharacters = "";
}
var chars = source.FormatCharacters.ToCharArray();
var text = native.Text.Replace(FormatCharacters, "");
if (String.IsNullOrEmpty(source.FormatCharacters) == false)
{
text = text.Replace(chars, "");
}
var len = text.Length;
// update MaxLength
if (source.MaxLength <= 0 && source.Mask != null)
{
source.MaxLength = source.Mask.LastOrDefault().End;
}
if (source.MaxLength > -1)
{
if (len > source.MaxLength)
{
text = text.Substring(0, source.MaxLength);
}
}
var rules = source.Mask;
if (rules != null)
{
var rule = rules.FirstOrDefault(r => r.End >= len);
if (rule == null)
{
rule = rules.Find(r => r.End == rules.Max(m => m.End));
text = text.Substring(0, rule.End);
}
// text trimmed
if (rule.Mask != "")
{
// check max length
if (source.MaxLengthFromMask <= 0)
{
source.MaxLengthFromMask = source.Mask.LastOrDefault().End;
}
native.Text = source.ApplyMask(text, rule);
}
}
else if (source.MaxLength > 0)
{
native.Text = text.Substring(0, source.MaxLength);
}
source.RawText = source.Text.Replace(chars, "");
source.Locked = false;
}