protected void ApplyDragAndDropUI(ListViewDragger.DragPosition dragPosition)
{
bool flag = this.m_LastDragPosition.Equals(dragPosition);
if (!flag)
{
this.ClearDragAndDropUI();
this.m_LastDragPosition = dragPosition;
switch (dragPosition.dragAndDropPosition)
{
case DragAndDropPosition.OverItem:
dragPosition.recycledItem.element.AddToClassList(ListView.itemDragHoverUssClassName);
break;
case DragAndDropPosition.BetweenItems:
{
bool flag2 = dragPosition.insertAtIndex == 0;
if (flag2)
{
this.PlaceHoverBarAt(0f);
}
else
{
this.PlaceHoverBarAtElement(this.targetListView.GetRecycledItemFromIndex(dragPosition.insertAtIndex - 1).element);
}
break;
}
case DragAndDropPosition.OutsideItems:
{
ListView.RecycledItem recycledItemFromIndex = this.targetListView.GetRecycledItemFromIndex(this.targetListView.itemsSource.Count - 1);
bool flag3 = recycledItemFromIndex != null;
if (flag3)
{
this.PlaceHoverBarAtElement(recycledItemFromIndex.element);
}
else
{
this.PlaceHoverBarAt(0f);
}
break;
}
default:
throw new ArgumentOutOfRangeException("dragAndDropPosition", dragPosition.dragAndDropPosition, "Unsupported dragAndDropPosition value");
}
}
}
private ListDragAndDropArgs MakeDragAndDropArgs(ListViewDragger.DragPosition dragPosition)
{
object target = null;
ListView.RecycledItem recycledItem = dragPosition.recycledItem;
bool flag = recycledItem != null;
if (flag)
{
target = this.targetListView.itemsSource[recycledItem.index];
}
return(new ListDragAndDropArgs
{
target = target,
insertAtIndex = dragPosition.insertAtIndex,
dragAndDropPosition = dragPosition.dragAndDropPosition
});
}
protected bool TryGetDragPosition(Vector2 pointerPosition, ref ListViewDragger.DragPosition dragPosition)
{
ListView.RecycledItem recycledItem = this.GetRecycledItem(pointerPosition);
bool flag = recycledItem != null;
bool result;
if (flag)
{
bool flag2 = recycledItem.element.worldBound.yMax - pointerPosition.y < 5f;
if (flag2)
{
dragPosition.insertAtIndex = recycledItem.index + 1;
dragPosition.dragAndDropPosition = DragAndDropPosition.BetweenItems;
result = true;
}
else
{
bool flag3 = pointerPosition.y - recycledItem.element.worldBound.yMin > 5f;
if (flag3)
{
Vector2 scrollOffset = this.targetScrollView.scrollOffset;
this.targetScrollView.ScrollTo(recycledItem.element);
bool flag4 = scrollOffset != this.targetScrollView.scrollOffset;
if (flag4)
{
result = this.TryGetDragPosition(pointerPosition, ref dragPosition);
}
else
{
dragPosition.recycledItem = recycledItem;
dragPosition.insertAtIndex = -1;
dragPosition.dragAndDropPosition = DragAndDropPosition.OverItem;
result = true;
}
}
else
{
dragPosition.insertAtIndex = recycledItem.index;
dragPosition.dragAndDropPosition = DragAndDropPosition.BetweenItems;
result = true;
}
}
}
else
{
bool flag5 = !this.targetListView.worldBound.Contains(pointerPosition);
if (flag5)
{
result = false;
}
else
{
dragPosition.dragAndDropPosition = DragAndDropPosition.OutsideItems;
bool flag6 = pointerPosition.y >= this.targetScrollView.contentContainer.worldBound.yMax;
if (flag6)
{
dragPosition.insertAtIndex = this.targetListView.itemsSource.Count;
}
else
{
dragPosition.insertAtIndex = 0;
}
result = true;
}
}
return(result);
}