void Search(PreviewItem searchFromThis, string search, List <PreviewItem> result)
{
if (string.IsNullOrEmpty(search))
{
throw new ArgumentException("Invalid search: cannot be null or empty", "search");
}
const int kItemDepth = 0; // tree is flattened when searching
Stack <PreviewItem> stack = new Stack <PreviewItem>();
foreach (var element in searchFromThis.children)
{
stack.Push((PreviewItem)element);
}
while (stack.Count > 0)
{
PreviewItem current = stack.Pop();
// Matches search?
if (current.name.IndexOf(search, StringComparison.OrdinalIgnoreCase) >= 0)
{
result.Add(new PreviewItem(current.id, kItemDepth, current.layer));
}
if (current.children != null && current.children.Count > 0)
{
foreach (var element in current.children)
{
stack.Push((PreviewItem)element);
}
}
}
result.Sort((x, y) => EditorUtility.NaturalCompare(x.displayName, y.displayName)); // sort by displayName by default, can be overriden for multicolumn solutions
}
protected override TreeViewItem BuildRoot()
{
var root = new PreviewItem(id, -1, psd);
GenerateRowsRecursive(root, 0);
return(root);
}
void GenerateRowsRecursive(PreviewItem parent, int depth)
{
if (parent.layer.Childs == null || parent.layer.Childs.Length == 0)
{
return;
}
else
{
foreach (var layer in parent.layer.Childs)
{
var item = new PreviewItem(++id, depth, layer);
parent.AddChild(item);
GenerateRowsRecursive(item, depth + 1);
}
}
}
private void RetriveArtLayer(PreviewItem data, UnityAction <PreviewItem> onRetrive)
{
if (data.layerType != LayerType.Group && data.layerType != LayerType.Overflow)
{
onRetrive(data);
}
else
{
if (data.children != null)
{
foreach (var item in data.children)
{
RetriveArtLayer((PreviewItem)item, onRetrive);
}
}
}
}
void AddChildrenRecursive(PreviewItem parent, int depth, IList <PreviewItem> newRows)
{
foreach (PreviewItem child in parent.children)
{
var item = new PreviewItem(child.id, depth, child.layer);
newRows.Add(child);
if (child.hasChildren)
{
if (IsExpanded(child.id))
{
AddChildrenRecursive(child, depth + 1, newRows);
}
else
{
item.children = CreateChildListForCollapsedParent();
}
}
}
}
