/// <summary>
/// Sets the hierarchy's expanded state to only contain the current selection.
/// </summary>
public static void FocusTimelineWindowToSelection()
{
TimelineAsset asset = TimelineEditor.inspectedAsset;
if (asset == null)
{
return;
}
TimelineClip[] selectedClips = TimelineEditor.selectedClips;
HashSet <TrackAsset> selectedTracks = new HashSet <TrackAsset>();
foreach (TimelineClip clip in selectedClips)
{
#if UNITY_TIMELINE_1_5_2
selectedTracks.Add(clip.GetParentTrack());
#else
selectedTracks.Add(clip.parentTrack);
#endif
}
Object[] selectedObjects = Selection.objects;
foreach (Object o in selectedObjects)
{
if (o is TrackAsset track)
{
selectedTracks.Add(track);
}
}
HashSet <TrackAsset> parents = new HashSet <TrackAsset>();
foreach (TrackAsset track in selectedTracks)
{
CollectParents(track, parents);
}
SetExpandedStates(asset, parents);
#if UNITY_TIMELINE_1_5_2
EditorWindow window = TimelineEditor.GetWindow();
#else
EditorWindow window =
(EditorWindow)typeof(TimelineEditor).GetProperty("window", NonPublicStatic).GetValue(null);
#endif
object treeView = window.GetType().GetProperty("treeView", PublicInstance).GetValue(window);
treeView.GetType().GetMethod("Reload", PublicInstance).Invoke(treeView, null);
}