private void PolarPanel_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
{
PolarPanel panel = sender as PolarPanel;
bool visible = (bool)e.NewValue;
OnPanelVisibilityChanged(panel, visible);
}
private void OnPanelVisibilityChanged(PolarPanel panel, bool visible)
{
if (visible)
{
Animate(panel);
}
else
{
StopAnimating(panel);
}
}
private void StopAnimating(PolarPanel panel)
{
currentAnimatingCircles.Remove(panel);
panels.Remove(panel);
foreach (Shape shape in panel.Children)
{
shape.Fill.BeginAnimation(SolidColorBrush.ColorProperty, null);
}
if (currentAnimatingCircles.Count == 0)
{
Timer.Stop();
}
}
private void Animate(PolarPanel panel)
{
if (currentAnimatingCircles.ContainsKey(panel))
{
return;
}
if (animation == null)
{
animation = this["animation"] as ColorAnimation;
}
panels.Add(panel);
currentAnimatingCircles[panel] = -1;
if (!Timer.IsEnabled)
{
timer.Start();
}
}
private void PolarPanel_Loaded(object sender, RoutedEventArgs e)
{
PolarPanel panel = sender as PolarPanel;
if (brush == null)
{
brush = this["brush"] as Brush;
}
foreach (Shape shape in panel.Children)
{
if (shape.Fill != null)
{
break;
}
shape.Fill = brush.Clone();
}
ProcessingContentControl parent = panel.TemplatedParent as ProcessingContentControl;
OnPanelVisibilityChanged(panel, panel.IsVisible);
}