private static object CoerceValue(DependencyObject element, object value)
{
int newValue = (int)value;
UseLevelSpinner control = (UseLevelSpinner)element;
newValue = Math.Min(MaximumLevel, Math.Max(MinimumLevel, newValue));
return(newValue);
}
private static void OnDecreaseCommand(object sender, ExecutedRoutedEventArgs e)
{
UseLevelSpinner control = sender as UseLevelSpinner;
if (control != null)
{
control.OnDecrease();
}
}
private static void OnMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
UseLevelSpinner control = (UseLevelSpinner)sender;
// When someone click on a part in the NumericUpDown and it's not focusable
// NumericUpDown needs to take the focus in order to process keyboard correctly
if (!control.IsKeyboardFocusWithin)
{
e.Handled = control.Focus() || e.Handled;
}
}
private static void OnIsReadOnlyChanged(DependencyObject element, DependencyPropertyChangedEventArgs args)
{
UseLevelSpinner control = element as UseLevelSpinner;
bool readOnly = (bool)args.NewValue;
if (readOnly != control._textBox.IsReadOnly)
{
control._textBox.IsReadOnly = readOnly;
}
}
private static void OnLevelChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args)
{
UseLevelSpinner control = (UseLevelSpinner)obj;
int oldValue = (int)args.OldValue;
int newValue = (int)args.NewValue;
RoutedPropertyChangedEventArgs <int> e = new RoutedPropertyChangedEventArgs <int>(
oldValue, newValue, LevelChangedEvent);
control.OnLevelChanged(e);
control.UpdateText();
}
private static void OnKeepListStructureChanged(DependencyObject element, DependencyPropertyChangedEventArgs args)
{
UseLevelSpinner control = element as UseLevelSpinner;
control.UpdateText();
}