protected override void UpdateItems()
{
if (Plotter != null)
{
foreach (var m in Markers)
{
Plotter.MainCanvas.Children.Remove(m);
}
Markers.Clear();
if (ItemsSource != null && ItemsSource.GetEnumerator().MoveNext())
{
foreach (var p in ItemsSource)
{
var visualItem = this.ItemTemplate.LoadContent() as FrameworkElement;
visualItem.DataContext = p;
//Set the binding again to make it attach immediately
visualItem.SetBinding(LineGraphWithPoints.XValueProperty, visualItem.GetBindingExpression(LineGraphWithPoints.XValueProperty).ParentBinding);
visualItem.SetBinding(LineGraphWithPoints.YValueProperty, visualItem.GetBindingExpression(LineGraphWithPoints.YValueProperty).ParentBinding);
Markers.Add(visualItem);
}
var es = new Microsoft.Research.DynamicDataDisplay.DataSources.EnumerableDataSource <DependencyObject>(Markers);
es.SetXMapping(p => LineGraphWithPoints.GetXValue(p as DependencyObject) + GetXValue(this));
es.SetYMapping(p => LineGraphWithPoints.GetYValue(p as DependencyObject));
DataSource = es;
if (Viewport != null & Markers.Count > 1)
{
((ChartPlotter)Viewport.Plotter).FitToView();
}
}
}
}
protected override void UpdateItems()
{
if ( Plotter != null)
{
foreach (var m in Markers)
Plotter.MainCanvas.Children.Remove(m);
Markers.Clear();
if (ItemsSource != null && ItemsSource.GetEnumerator().MoveNext())
{
foreach (var p in ItemsSource)
{
var visualItem = this.ItemTemplate.LoadContent() as FrameworkElement;
visualItem.DataContext = p;
//Set the binding again to make it attach immediately
visualItem.SetBinding(LineGraphWithPoints.XValueProperty, visualItem.GetBindingExpression(LineGraphWithPoints.XValueProperty).ParentBinding);
visualItem.SetBinding(LineGraphWithPoints.YValueProperty, visualItem.GetBindingExpression(LineGraphWithPoints.YValueProperty).ParentBinding);
Markers.Add(visualItem);
}
var es = new Microsoft.Research.DynamicDataDisplay.DataSources.EnumerableDataSource<DependencyObject>(Markers);
es.SetXMapping(p => LineGraphWithPoints.GetXValue(p as DependencyObject) + GetXValue(this));
es.SetYMapping(p => LineGraphWithPoints.GetYValue(p as DependencyObject));
DataSource = es;
if (Viewport != null & Markers.Count > 1)
{
((ChartPlotter)Viewport.Plotter).FitToView();
}
}
}
}
