private static void HandleValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MeteredSlider ss = d as MeteredSlider;
//if (ss != null)
//{
// if (ss.Minimum == -1)
// Console.WriteLine("Hello");
//}
if (ss != null && !ss._isUpdating)
{
ss._isUpdating = true;
if (ss.Indenting == IndentRule.Always || (ss.Indenting == IndentRule.ShiftKey && (System.Windows.Input.Keyboard.Modifiers == ModifierKeys.Shift || System.Windows.Input.Keyboard.IsKeyToggled(Key.CapsLock))))
{
if (ss.IsEnabled && ss.IsVisible && ss.ActualHeight > 0 && Mouse.LeftButton == MouseButtonState.Pressed && ss.IsMouseOver)
{
ss.SnapIfWithinIndentRange();
}
}
ss.SliderPosition = ss._rangeConverter.SourceToTarget(ss.Value);
//if (ss.Minimum == -1)
// Console.WriteLine(ss.Value.ToString("0.0000") + " --> " + ss.SliderPosition.ToString("0.0000"));
//if (ss.Name == "Test")
// Console.WriteLine(ss.SliderPosition);
ss._isUpdating = false;
ss.OnValueChanged();
}
}
private static void OnTicksSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MeteredSlider ss = d as MeteredSlider;
if (ss == null)
{
return;
}
BindingExpressionBase beb = BindingOperations.GetBindingExpressionBase(d, TicksSourceProperty);
if (beb != null)
{
throw new InvalidOperationException("The TicksSource property doesn't support data binding. Use StaticResource or DynamicResource or x:Static instead.");
}
ss._ticks.Clear();
SliderTick[] newTicks = e.NewValue as SliderTick[];
if (newTicks != null)
{
newTicks.Execute(ss._ticks.Add);
}
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
double dblValue;
if (value == null)
{
return(value);
}
if (!double.TryParse(value.ToString(), out dblValue))
{
return(value);
}
MeteredSlider ss = parameter as MeteredSlider;
if (ss == null)
{
return(0);
}
_converter.SourceMin = ss.Minimum;
_converter.SourceMax = ss.Maximum;
_converter.ScaleFactor = ss.ScaleFactor;
return(_converter.TargetToSource(dblValue));
}
private static void HandleSliderPositionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MeteredSlider ss = d as MeteredSlider;
if (ss != null && !ss._isUpdating)
{
ss.Value = ss._rangeConverter.TargetToSource(ss.SliderPosition);
}
}
private static void HandleRangePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MeteredSlider ss = d as MeteredSlider;
if (ss != null)
{
ss.UpdateRangeProperties();
}
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
double dblValue;
if (value == null)
{
return(value);
}
if (!double.TryParse(value.ToString(), out dblValue))
{
return(value);
}
MeteredSlider ss = parameter as MeteredSlider;
FrameworkElement fe = parameter as FrameworkElement;
if (ss == null && fe != null)
{
if (fe.DataContext is MeteredSlider)
{
ss = fe.DataContext as MeteredSlider;
}
if (fe.Tag is MeteredSlider)
{
ss = fe.Tag as MeteredSlider;
}
}
if (ss == null)
{
return(0);
}
_converter.SourceMin = ss.Minimum;
_converter.SourceMax = ss.Maximum;
_converter.ScaleFactor = ss.ScaleFactor;
double result = _converter.SourceToTarget(dblValue);
return(result);
}
