void DatePartTextBox_MouseWheel(object sender, MouseWheelEventArgs e)
{
DatePartTextBox t = sender as DatePartTextBox;
if (t == null)
{
return;
}
TextBoxType tType = t.PartType;
bool positiveIncrement = e.Delta > 0;
int currentValue = -1;
ChangedValue(t, tType, positiveIncrement, currentValue);
}
void DatePartTextBox_KeyUp(object sender, KeyEventArgs e)
{
bool isArrowsPressed = e.Key == Key.Up || e.Key == Key.Down || e.Key == Key.Left || e.Key == Key.Right;
if (isArrowsPressed)
{
DatePartTextBox t = sender as DatePartTextBox;
if (t == null)
{
return;
}
TextBoxType tType = t.PartType;
int currentValue = -1;
bool positiveIncrement = e.Key == Key.Up || e.Key == Key.Right;
ChangedValue(t, tType, positiveIncrement, currentValue);
}
}
private void ChangedValue(DatePartTextBox t, TextBoxType tType, bool positiveIncrement, int currentValue)
{
if (Int32.TryParse(t.Text, out currentValue))
{
switch (tType)
{
case TextBoxType.Year:
if (positiveIncrement)
{
t.Text = (currentValue + 1).ToString();
}
else
{
if (currentValue > 1900)
{
t.Text = (currentValue - 1).ToString();
}
}
break;
case TextBoxType.Month:
if (positiveIncrement)
{
if (currentValue < 12)
{
t.Text = (currentValue + 1).ToString();
}
}
else
{
if (currentValue > 1)
{
t.Text = (currentValue - 1).ToString();
}
}
break;
case TextBoxType.Day:
{
if (positiveIncrement && PartDetail != null)
{
DateIntervalInputBox dBox = PartDetail as DateIntervalInputBox;
if (dBox != null)
{
if (IsStart)
{
int daysInMonth = DateTime.DaysInMonth(dBox.DateInterval.StartDateParts.Year, dBox.DateInterval.StartDateParts.Month);
if (currentValue < daysInMonth)
{
t.Text = (currentValue + 1).ToString();
}
}
else
{
int daysInMonth = DateTime.DaysInMonth(dBox.DateInterval.EndDateParts.Year, dBox.DateInterval.EndDateParts.Month);
if (currentValue < daysInMonth)
{
t.Text = (currentValue + 1).ToString();
}
}
}
}
else
{
if (currentValue > 1)
{
t.Text = (currentValue - 1).ToString();
}
}
}
break;
}
}
t.SelectAll();
}