/// <summary>
/// Changes the depth of a single child within the list
/// </summary>
/// <param name="depthList"></param>
/// <param name="child"></param>
/// <param name="depth"></param>
/// <param name="makeRoom"></param>
private static void SetDepth(List<DisplayListMember> depthList, DisplayListMember child, int depth, bool makeRoom)
{
//Debug.Log("Setting depth: " + depth + " [" + child + "]");
child.Depth = depth;
// remove
depthList.Remove(child);
var index = depthList.FindIndex(delegate(DisplayListMember displayListMember)
{
return displayListMember.Depth >= depth;
});
if (index == -1) // not found, meaning all depths are lower than the supplied one
index = depthList.Count;
// insert at index
depthList.Insert(index, child);
var len = depthList.Count;
// fix other depths
// say depth = 1
// and that we have depths [0, 0, 1, 1, 1, 2, 6, 7] and inserting into the 3rd place (between 0 and 1)
// ... [0, 0, *1, 1, 1, 1, 2, 6, 7] ...
// we have to get [0, 0, *1, 2, 2, 2, 3, 6, 7] - note that some values are shifted up, but the values of 6, 7 are not because there's no need to
//_prevDepth = depth;
if (makeRoom)
{
// needs room?
if (depthList.Count == index + 1 || depthList[index + 1].Depth > depth)
return; // this is the last item or the next item has a greater depth
for (int i = index + 1; i < len; i++) // from 3rd place to the end
{
depthList[index].Depth += 1;
//var item2 = depthList[index]; // 2
//if (item2.Depth != _prevDepth)
// _prevDepth = item2.Depth; // _prevDepth = 1
//if (item2.Depth == _prevDepth) // 1 == 1
//{
// item2.Depth = _prevDepth + 1; // item2.Depth = 2
//}
}
}
}
