private static void processDragAndDrop(ISupportDragAndDrop dragAndDropSupport,
ref Rect r, SerializedProperty property)
{
Event curEvent = Event.current;
Rect dropArea = dragAndDropSupport.GetDropArea(r, property);
switch (curEvent.type)
{
case EventType.Repaint:
case EventType.DragUpdated:
case EventType.DragPerform:
if (!dropArea.Contains(curEvent.mousePosition, allowInverse: true))
{
break;
}
bool isValidDrop = dragAndDropSupport.IsDropValid(
DragAndDrop.objectReferences, property);
if (isValidDrop)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Link;
}
else
{
DragAndDrop.visualMode = DragAndDropVisualMode.Rejected;
}
if (curEvent.type == EventType.DragPerform && isValidDrop)
{
DragAndDrop.AcceptDrag();
dragAndDropSupport.ProcessDroppedObjects(
DragAndDrop.objectReferences, property);
}
break;
}
}
