private DateTime GetTimeAtMousePointer(MouseEventArgs e)
{
TimelineScroller root = this.FindTimelineScroller(e.Source);
if (root != null)
{
Point point = e.GetPosition(root);
double percent = point.X / root.ActualWidth;
var viewRange = this.Navigator.ViewRange;
DateTime time = viewRange.StartTime + TimeSpan.FromTicks((long)((double)viewRange.Duration.Ticks * percent));
// If we're currently snapping to some Visualization Object, adjust the time to the timestamp of the nearest message
DateTime?snappedTime = null;
PlotVisualizationObject snapToVisualizationObject = this.Container.SnapToVisualizationObject as PlotVisualizationObject;
if (snapToVisualizationObject != null)
{
snappedTime = snapToVisualizationObject.GetTimeOfNearestMessage(time, snapToVisualizationObject.SummaryData?.Count ?? 0, (idx) => snapToVisualizationObject.SummaryData[idx].OriginatingTime);
}
return(snappedTime ?? time);
}
Console.WriteLine("TimelineVisualizationPanel.GetTimeAtMousePointer() - Could not find the TimelineScroller in the tree");
return(DateTime.UtcNow);
}
private void PlotVisualizationObjectView_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
this.PlotVisualizationObject = (PlotVisualizationObject <TConfig>) this.DataContext;
this.PlotVisualizationObject.PropertyChanging += this.PlotVisualizationObject_PropertyChanging;
this.PlotVisualizationObject.PropertyChanged += this.PlotVisualizationObject_PropertyChanged;
this.PlotVisualizationObject.Configuration.PropertyChanged += this.Configuration_PropertyChanged;
this.navigator = this.PlotVisualizationObject.Navigator;
this.PlotVisualizationObject.Navigator.ViewRange.RangeChanged += this.Navigator_ViewRangeChanged;
this.PlotVisualizationObject.Navigator.DataRange.RangeChanged += this.Navigator_DataRangeChanged;
this.ResetSegments();
if (this.PlotVisualizationObject.Data != null)
{
this.Data_CollectionChanged(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
this.PlotVisualizationObject.Data.DetailedCollectionChanged += this.Data_CollectionChanged;
}
if (this.PlotVisualizationObject.SummaryData != null)
{
this.SummaryData_CollectionChanged(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
this.PlotVisualizationObject.SummaryData.DetailedCollectionChanged += this.SummaryData_CollectionChanged;
}
}