private void OnLeave(object sender, System.EventArgs e)
{
string text = _control.Text;
if (_mask != MaskTypes.None)
{
Regex rexp = new Regex(MaskHelper.GetRegExStringForMask(_mask));
if (!rexp.IsMatch(text))
{
ErrorProvider.SetError(_control, "Invalid value for " + this.Text);
}
else
{
ErrorProvider.SetError(_control, "");
}
}
else if (AnswerRequired && (_control.Text.Length > 0))
{
ErrorProvider.SetError(_control, "");
}
else if (AnswerRequired && (_control.Text.Length == 0))
{
ErrorProvider.SetError(_control, Text + " is a required field.");
}
//AFNI standard
//If a field holds more information than can be displayed,
//make it show the beginning of the field when the user
//tabs off.
_control.SelectionStart = 0;
}
private void OnKeyPress(object sender, KeyPressEventArgs kpea)
{
string key;
string new_text;
int cursor_index;
if (!Enabled)
{
kpea.Handled = true;
return;
}
key = kpea.KeyChar.ToString();
if (char.IsControl(kpea.KeyChar))
{
return;
}
if ((_allowable_chars != "") && (_allowable_chars.IndexOf(key) >= 0))
{
kpea.Handled = false;
}
else if (_allowable_chars != "")
{
kpea.Handled = true;
}
if (_mask != MaskTypes.None)
{
kpea.Handled = true;
cursor_index = _control.SelectionStart;
//text before the cursor stays the same...
new_text = _control.Text.Substring(0, cursor_index);
//text at the cursor is replaced
new_text += kpea.KeyChar;
//text past the cursor stays the same.
if (_control.Text.Length > cursor_index)
{
new_text += _control.Text.Substring(cursor_index + 1);
}
//kpea.Handled = !MaskHelper.FitsMask(new_text, _mask);
_control.Text = MaskHelper.ApplyMask(new_text, _mask);
_control.SelectionStart = cursor_index + 1;
}
}