// todo сделать привязку вьюпорта к контентбаундс.
private static void OnContentBoundsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ViewportElement2D vElement = (ViewportElement2D)d;
if (vElement.viewport != null)
{
// was uncommented
((Viewport2D)vElement.viewport).UpdateVisible();
}
}
private void OnChartPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "Description")
{
ViewportElement2D chart = sender as ViewportElement2D;
if (chart != null && cachedLegendItems.ContainsKey(chart))
{
// todo dirty, but quick to code.
PopulateLegend();
}
}
}
private void graph_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "Description")
{
ViewportElement2D graph = (ViewportElement2D)sender;
LegendItem oldLegendItem = cachedLegendItems[graph];
int index = stackPanel.Children.IndexOf(oldLegendItem);
stackPanel.Children.RemoveAt(index);
LegendItem newLegendItem = graph.Description.LegendItem;
cachedLegendItems[graph] = newLegendItem;
stackPanel.Children.Insert(index, newLegendItem);
}
}