private static void OnStartValuePropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
GaugeIndicator indicator = sender as GaugeIndicator;
if (indicator.IsInternalPropertyChange || indicator.Owner == null)
{
return;
}
indicator.ClampValueToRange(StartValueProperty);
indicator.OnStartValueChanged(indicator.StartValue, (double)args.OldValue);
}
/// <summary>
/// A virtual method that is called for each indicator in the arrange layout pass.
/// </summary>
/// <param name="indicator">The indicator to arrange.</param>
/// <param name="finalSize">The size in which to arrange the indicator.</param>
/// <remarks>
/// The rect in which the indicator will be arranged should be retrieved from
/// the indicator itself via the GetArrangeRect() method.
/// </remarks>
internal override void ArrangeIndicator(GaugeIndicator indicator, Size finalSize)
{
Rect indicatorRect = indicator.GetArrangeRect(finalSize);
indicator.Arrange(indicatorRect);
Size indicatorSize = new Size(indicatorRect.Width, indicatorRect.Height);
Point indicatorOffset = GetIndicatorOffset(indicatorSize, finalSize);
Canvas.SetLeft(indicator, indicatorOffset.X);
Canvas.SetTop(indicator, indicatorOffset.Y);
}
/// <summary>
/// A virtual method that is called when the Orientation property changes.
/// </summary>
/// <param name="newOrientation">The new Orientation.</param>
/// <param name="oldOrientation">The old Orientation.</param>
internal virtual void OnOrientationChanged(Orientation newOrientation, Orientation oldOrientation)
{
this.isHorizontal = newOrientation == Orientation.Horizontal;
foreach (UIElement element in this.Indicators)
{
GaugeIndicator indicator = element as GaugeIndicator;
if (indicator == null)
{
continue;
}
RadLinearGauge.SetOrientation(indicator, newOrientation);
}
this.InvalidateMeasure();
}
private static void OnValuePropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
double newVal = (double)args.NewValue;
RadGauge.ValidateValue(newVal);
GaugeIndicator indicator = sender as GaugeIndicator;
if (!indicator.IsTemplateApplied || indicator.Owner == null || indicator.IsInternalPropertyChange)
{
indicator.ActualValue = newVal;
return;
}
indicator.ClampValueToRange(ValueProperty);
if (indicator.isAnimationRunning)
{
indicator.isAnimationRunning = false;
indicator.storyboard.Seek(new TimeSpan(0));
}
double value = indicator.Value;
if (indicator.IsAnimated)
{
double from = (double)args.OldValue;
StartValueAnimation(from, newVal, indicator);
}
else
{
indicator.ActualValue = value;
}
var peer = FrameworkElementAutomationPeer.FromElement(indicator) as GaugeIndicatorAutomationPeer;
if (peer != null)
{
peer.RaiseValueChangedAutomationEvent(args.OldValue.ToString(), args.NewValue.ToString());
}
}
/// <summary>
/// A virtual method that is called for each indicator in the arrange layout pass.
/// </summary>
/// <param name="indicator">The indicator to arrange.</param>
/// <param name="finalSize">The size in which to arrange the indicator.</param>
/// <remarks>
/// The Rect in which the indicator will be arranged should be retrieved from
/// the indicator itself via the GetArrangeRect() method.
/// </remarks>
internal virtual void ArrangeIndicator(GaugeIndicator indicator, Size finalSize)
{
Rect rect = indicator.GetArrangeRect(finalSize);
indicator.Arrange(rect);
}
private static void OnAnimationDurationPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
GaugeIndicator indicator = sender as GaugeIndicator;
indicator.valueAnimation.Duration = (Duration)args.NewValue;
}
private static void OnAnimationEasingPropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args)
{
GaugeIndicator indicator = sender as GaugeIndicator;
indicator.valueAnimation.EasingFunction = (EasingFunctionBase)args.NewValue;
}