public override DragAndDropVisualMode DoDrag(TreeViewItem parentItem, TreeViewItem targetItem, bool perform, TreeViewDragging.DropPosition dropPos)
{
this.m_Window.isDragging = false;
DragAndDropVisualMode dragAndDropVisualMode = 0;
TimelineDragging.TimelineDragData timelineDragData = DragAndDrop.GetGenericData("TimelineDragging") as TimelineDragging.TimelineDragData;
if (timelineDragData != null)
{
dragAndDropVisualMode = this.HandleTrackDrop(parentItem, targetItem, perform, dropPos);
}
else if (DragAndDrop.get_objectReferences().Any <Object>() || DragAndDrop.get_paths().Any <string>())
{
dragAndDropVisualMode = this.HandleGameObjectDrop(parentItem, targetItem, perform, dropPos);
if (dragAndDropVisualMode == null)
{
dragAndDropVisualMode = this.HandleAudioSourceDrop(parentItem, targetItem, perform, dropPos);
}
if (dragAndDropVisualMode == null)
{
dragAndDropVisualMode = this.HandleObjectDrop(parentItem, targetItem, perform, dropPos);
}
}
this.m_Window.isDragging = false;
if (dragAndDropVisualMode == 1 && targetItem != null)
{
TimelineGroupGUI timelineGroupGUI = targetItem as TimelineGroupGUI;
if (timelineGroupGUI != null)
{
timelineGroupGUI.isDropTarget = true;
}
}
return(dragAndDropVisualMode);
}
public DragAndDropVisualMode HandleTrackDrop(TreeViewItem parentItem, TreeViewItem targetItem, bool perform, TreeViewDragging.DropPosition dropPos)
{
((TimelineTreeView)this.m_Window.treeView.gui).showInsertionMarker = false;
TimelineDragging.TimelineDragData timelineDragData = (TimelineDragging.TimelineDragData)DragAndDrop.GetGenericData("TimelineDragging");
DragAndDropVisualMode result;
if (!TimelineDragging.ValidDrag(targetItem, timelineDragData.draggedItems))
{
result = 0;
}
else
{
TimelineGroupGUI timelineGroupGUI = targetItem as TimelineGroupGUI;
if (timelineGroupGUI != null && timelineGroupGUI.track != null)
{
((TimelineTreeView)this.m_Window.treeView.gui).showInsertionMarker = true;
}
if (dropPos == null)
{
TimelineGroupGUI timelineGroupGUI2 = targetItem as TimelineGroupGUI;
if (timelineGroupGUI2 != null)
{
timelineGroupGUI2.isDropTarget = true;
}
}
if (perform)
{
List <TrackAsset> draggedActors = (from x in timelineDragData.draggedItems.OfType <TimelineGroupGUI>()
select x.track).ToList <TrackAsset>();
if (draggedActors.Count == 0)
{
result = 0;
return(result);
}
PlayableAsset playableAsset = this.m_Timeline;
TimelineGroupGUI timelineGroupGUI3 = parentItem as TimelineGroupGUI;
if (timelineGroupGUI3 != null && timelineGroupGUI3.track != null)
{
playableAsset = timelineGroupGUI3.track;
}
TrackAsset trackAsset = (timelineGroupGUI == null) ? null : timelineGroupGUI.track;
if (playableAsset == this.m_Timeline && dropPos == 1 && trackAsset == null)
{
trackAsset = this.m_Timeline.tracks.LastOrDefault((TrackAsset x) => !draggedActors.Contains(x));
}
if (TrackExtensions.ReparentTracks(draggedActors, playableAsset, trackAsset, dropPos == 2))
{
this.m_Window.state.Refresh(true);
}
}
result = 16;
}
return(result);
}