void ShiftTimeline(int destColumn)
{
var delta = destColumn - timeline.CurrentColumn;
if (delta > 0)
{
TimelineHorizontalShift.Perform(timeline.CurrentColumn, delta);
}
else if (delta < 0)
{
foreach (var node in Document.Current.Container.Nodes)
{
foreach (var animator in node.Animators.Where(i => i.AnimationId == Document.Current.AnimationId).ToList())
{
RemoveKeyframeRange.Perform(animator, destColumn, timeline.CurrentColumn - 1);
}
}
foreach (var marker in Document.Current.Animation.Markers.Where(m => m.Frame >= destColumn && m.Frame < timeline.CurrentColumn).ToList())
{
DeleteMarker.Perform(marker, removeDependencies: false);
}
TimelineHorizontalShift.Perform(destColumn, delta);
}
}
public override void ExecuteTransaction()
{
TimelineHorizontalShift.Perform(UI.Timeline.Timeline.Instance.CurrentColumn, 1);
}
