private void AddText()
{
var value = Text;
if (string.IsNullOrWhiteSpace(value))
{
return;
}
var previous = _filtersHistory.TakeWhile(x => !string.Equals(x, value, StringComparison.OrdinalIgnoreCase)).Count();
if (previous < _filtersHistory.Count)
{
_filtersHistory.Move(previous, 0);
}
else if (DateTime.Now - _lastChanged > TimeSpan.FromSeconds(4) || _filtersHistory.Count == 0)
{
if (_filtersHistory.Count > MaxSize)
{
_filtersHistory.RemoveAt(_filtersHistory.Count - 1);
}
_filtersHistory.Insert(0, value);
}
else
{
_filtersHistory[0] = value;
}
_lastChanged = DateTime.Now;
var saveKey = SaveKey;
if (saveKey != null)
{
ValuesStorage.Set(saveKey, _filtersHistory);
}
}