internal override void OnRemoveView(DataPoint dataPoint)
{
FrameworkElement element = SeriesVisualStatePresenter.GetDataPointView(dataPoint);
if (!(element is Control) || DataPoint.GetDataPoint((DependencyObject)element) != dataPoint)
{
return;
}
element.MouseEnter -= (MouseEventHandler)((s, e) => VisualStateManager.GoToState((FrameworkElement)(element as Control), "MouseOver", true));
element.MouseLeave -= (MouseEventHandler)((s, e) => VisualStateManager.GoToState((FrameworkElement)(element as Control), "Normal", true));
}
internal static DataPoint GetDataPointFromSelectedElement(DependencyObject element, DependencyObject rootElement)
{
DataPoint dataPoint = (DataPoint)null;
DependencyObject dependencyObject = element;
if (dependencyObject != null)
{
do
{
dataPoint = DataPoint.GetDataPoint(dependencyObject);
dependencyObject = VisualTreeHelper.GetParent(dependencyObject);
}while (dataPoint == null && dependencyObject != null && dependencyObject != rootElement);
}
return(dataPoint);
}
internal override void OnUpdateView(DataPoint dataPoint)
{
FrameworkElement element = SeriesVisualStatePresenter.GetDataPointView(dataPoint);
if (element != null && DataPoint.GetDataPoint((DependencyObject)element) != dataPoint)
{
DataPoint.SetDataPoint((DependencyObject)element, dataPoint);
if (element is Control)
{
element.MouseEnter += (MouseEventHandler)((s, e) => VisualStateManager.GoToState((FrameworkElement)(element as Control), "MouseOver", true));
element.MouseLeave += (MouseEventHandler)((s, e) => VisualStateManager.GoToState((FrameworkElement)(element as Control), "Normal", true));
}
}
FrameworkElement frameworkElement = dataPoint.View == null || dataPoint.View.LabelView == null ? (FrameworkElement)null : (FrameworkElement)dataPoint.View.LabelView;
if (frameworkElement == null || DataPoint.GetDataPoint((DependencyObject)frameworkElement) == dataPoint)
{
return;
}
DataPoint.SetDataPoint((DependencyObject)frameworkElement, dataPoint);
}
