[self.inputsTree insertItemsAtIndexes:[[NSIndexSet alloc] initWithIndex:idx]
inParent:nil
withAnimation:NSTableViewAnimationEffectFade];
[self reexpandAll];
[self.inputsTree insertItemsAtIndexes:[[NSIndexSet alloc] initWithIndex:idx]
inParent:nil
withAnimation:NSTableViewAnimationEffectFade];
[self reexpandAll];