private static void OnTimeFrameCollectionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TimelineBand timelineBand = d as TimelineBand;
if (timelineBand == null)
{
return;
}
ObservableCollection <ITimeRange> oldTimeFrameCollection = e.OldValue as ObservableCollection <ITimeRange>;
if (oldTimeFrameCollection != null)
{
oldTimeFrameCollection.CollectionChanged -= timelineBand.TimeFrameCollection_CollectionChanged;
}
ObservableCollection <ITimeRange> newTimeFrameCollection = e.NewValue as ObservableCollection <ITimeRange>;
if (newTimeFrameCollection != null)
{
newTimeFrameCollection.CollectionChanged += timelineBand.TimeFrameCollection_CollectionChanged;;
}
if (timelineBand._isLoaded)
{
timelineBand.InitTimeFrameElements();
}
}
private static void OnCurrentDateTimeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TimelineBand timelineBand = d as TimelineBand;
if (timelineBand == null)
{
return;
}
DateTime oldDateTime = (DateTime)e.OldValue;
DateTime newDateTime = (DateTime)e.NewValue;
timelineBand.UpdateTimelineBandElementsPositionByDateTime(oldDateTime, newDateTime);
if (timelineBand.HostTimeline != null)
{
timelineBand.HostTimeline.CurrentDateTime = timelineBand.CurrentDateTime;
}
}
private void HookTimelineBands(object element)
{
if (element is TimelineBand)
{
TimelineBand timelineBand = element as TimelineBand;
timelineBand.HostTimeline = this;
if (timelineBand.IsMainBand && _mainTimelineBand == null)
{
_mainTimelineBand = timelineBand;
}
}
else if (element is Panel)
{
Panel panel = element as Panel;
foreach (object childElement in panel.Children)
{
HookTimelineBands(childElement);
}
}
}