/// <summary>
/// Notifies that a partition's live status has changed.
/// </summary>
/// <param name="storePath">The path to the store whose live status has changed.</param>
/// <param name="isLive">True if the partition is live, otherwise false.</param>
public void NotifyLivePartitionStatus(string storePath, bool isLive)
{
// For every visualization object, if its source of data is
// storePath, then update the visualization object's IsLive value
foreach (VisualizationPanel panel in this.Panels)
{
foreach (VisualizationObject visualizationobject in panel.VisualizationObjects)
{
IStreamVisualizationObject streamVisualizationObject = visualizationobject as IStreamVisualizationObject;
if ((streamVisualizationObject != null) && (streamVisualizationObject.StreamBinding.StorePath == storePath))
{
streamVisualizationObject.IsLive = isLive;
}
}
}
}
private DateTime GetTimeAtMousePointer(Point point, TimelineScroller root, bool useSnap)
{
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;
if (useSnap)
{
IStreamVisualizationObject snapToVisualizationObject = this.Container.SnapToVisualizationObject as IStreamVisualizationObject;
if (snapToVisualizationObject != null)
{
snappedTime = snapToVisualizationObject.GetSnappedTime(time, SnappingBehavior.Nearest);
}
}
return(snappedTime ?? time);
}
private void ZoomToPanel()
{
// Get a list of time intervals for all stream visualization objects in this panel
List <TimeInterval> streamIntervals = new List <TimeInterval>();
foreach (VisualizationObject visualizationObject in this.VisualizationObjects)
{
IStreamVisualizationObject streamVisualizationObject = visualizationObject as IStreamVisualizationObject;
IStreamMetadata streamMetadata = streamVisualizationObject?.StreamBinding?.StreamMetadata;
if (streamMetadata != null)
{
streamIntervals.Add(new TimeInterval(streamMetadata.FirstMessageOriginatingTime, streamMetadata.LastMessageOriginatingTime));
}
}
// Zoom to the coverage of the stream visualization objects
if (streamIntervals.Count > 0)
{
TimeInterval panelInterval = TimeInterval.Coverage(streamIntervals);
this.Container.Navigator.Zoom(panelInterval.Left, panelInterval.Right);
}
}