public void BringIntoView(
TimelineControlBringIntoViewMode mode, object dataItem)
{
TimelineItem container = ContainerFromItem(dataItem);
if (container != null)
{
Nullable <DateTime> start = TimelineCompactPanel.GetStartDate(container);
Nullable <DateTime> end = TimelineCompactPanel.GetEndDate(container);
if (IsSetZoomToFit(mode) && start.HasValue && end.HasValue)
{
TimeSpan duration = end.Value - start.Value;
double pixelPerTick = (ActualWidth / 2) / duration.Ticks;
TimeSpan newTickTimeSpan = TimeSpan.FromTicks((long)(1D / pixelPerTick));
if (newTickTimeSpan.TotalMinutes < 1)
{
newTickTimeSpan = TimeSpan.FromMinutes(1);
}
if (newTickTimeSpan < TickTimeSpan)
{
TickTimeSpan = newTickTimeSpan;
}
else
{
if (ActualWidth / 2 < duration.Ticks * Timeline.GetPixelsPerTick(this))
{
TickTimeSpan = newTickTimeSpan;
}
}
WpfUtility.WaitForPriority(DispatcherPriority.Background);
}
if (IsSetCurrentTime(mode))
{
if (start.HasValue)
{
CurrentTime = start.Value;
}
else if (end.HasValue)
{
CurrentTime = end.Value;
}
}
}
}