public void Update(GameTime gameTime)
{
if (IsVisible)
{
if (HasFocus)
{
if (ControlMgr.Instance.PressedKeys.Count > 0)
{
if (ControlMgr.Instance.PressedKeys[0] == Keys.Back)
{
if (Text.Length > 0)
{
Text = Text.Remove(Text.Length - 1, 1);
}
}
else if (ControlMgr.Instance.PressedKeys[0] == Keys.Delete)
{
Text = string.Empty;
}
else if (Text.Length < MaxLength)
{
switch (TextFilter)
{
case eTextFilter.None:
foreach (Keys k in InputMgr.Instance.Keyboard.GetAllReleasedKeys())
{
Text += InputMgr.KeyToString(k);
}
break;
case eTextFilter.OnlyIntAndNeg:
// Allow minus character
if (ControlMgr.Instance.PressedKeys[0] == Keys.OemMinus && TextFilter != eTextFilter.OnlyIntOnlyPos)
{
Text += MINUS;
}
if (ControlMgr.Instance.PressedKeys[0] >= Keys.D0 && ControlMgr.Instance.PressedKeys[0] <= Keys.D9)
{
Text += ControlMgr.Instance.PressedKeys[0].ToString().Substring(1, 1);
}
break;
case eTextFilter.OnlyIntOnlyPos:
if (ControlMgr.Instance.PressedKeys[0] >= Keys.D0 && ControlMgr.Instance.PressedKeys[0] <= Keys.D9)
{
Text += ControlMgr.Instance.PressedKeys[0].ToString().Substring(1, 1);
}
break;
case eTextFilter.OnlyNumericAndAlpha:
if (ControlMgr.Instance.PressedKeys[0] == Keys.OemMinus && TextFilter != eTextFilter.OnlyIntOnlyPos)
{
if (InputMgr.Instance.ShiftIsDown)
{
Text += ControlMgr.Instance.PressedKeys[0].ToString();
}
else
{
Text += ControlMgr.Instance.PressedKeys[0].ToString().ToLower();
}
}
if (ControlMgr.Instance.PressedKeys[0] >= Keys.D0 && ControlMgr.Instance.PressedKeys[0] <= Keys.D9)
{
Text += ControlMgr.Instance.PressedKeys[0].ToString().Substring(1, 1);
}
if (ControlMgr.Instance.PressedKeys[0] >= Keys.A && ControlMgr.Instance.PressedKeys[0] <= Keys.Z)
{
if (InputMgr.Instance.ShiftIsDown)
{
Text += ControlMgr.Instance.PressedKeys[0].ToString();
}
else
{
Text += ControlMgr.Instance.PressedKeys[0].ToString().ToLower();
}
}
if (AllowSpace && ControlMgr.Instance.PressedKeys[0] == Keys.Space)
{
Text += " ";
}
break;
case eTextFilter.OnlyAlpha:
if (ControlMgr.Instance.PressedKeys[0] >= Keys.A && ControlMgr.Instance.PressedKeys[0] <= Keys.Z)
{
if (InputMgr.Instance.ShiftIsDown)
{
Text += ControlMgr.Instance.PressedKeys[0].ToString();
}
else
{
Text += ControlMgr.Instance.PressedKeys[0].ToString().ToLower();
}
}
if (AllowSpace && ControlMgr.Instance.PressedKeys[0] == Keys.Space)
{
Text += " ";
}
break;
default:
throw new CaseStatementMissingException();
}
}
}
}
else
{
if (LostFocus != null && HadFocus)
{
LostFocus(this);
}
}
HadFocus = HasFocus;
}
}
