public virtual void Insert(IEnumerable <IOutlineNode> nodes, IOutlineNode after, bool copy)
{
using (var moveTransaction =
DesignItem.Context.OpenGroup("Item moved in outline view", nodes.Select(n => n.DesignItem).ToList()))
{
if (copy)
{
nodes = nodes.Select(n => OutlineNode.Create(n.DesignItem.Clone())).ToList();
}
else
{
foreach (var node in nodes)
{
node.DesignItem.Remove();
}
}
var index = after == null ? 0 : Children.IndexOf(after) + 1;
var content = DesignItem.ContentProperty;
if (content.IsCollection)
{
foreach (var node in nodes)
{
content.CollectionElements.Insert(index++, node.DesignItem);
}
}
else
{
content.SetValue(nodes.First().DesignItem);
}
moveTransaction.Commit();
}
}
void UpdateChildrenCore(IEnumerable <DesignItem> items, int index = -1)
{
foreach (var item in items)
{
if (ModelTools.CanSelectComponent(item))
{
if (Children.All(x => x.DesignItem != item))
{
var node = OutlineNode.Create(item);
if (index > -1)
{
Children.Insert(index++, node);
}
else
{
Children.Add(node);
}
}
}
else
{
var content = item.ContentProperty;
if (content != null)
{
if (content.IsCollection)
{
UpdateChildrenCore(content.CollectionElements);
}
else
{
if (content.Value != null)
{
UpdateChildrenCore(new[] { content.Value });
}
}
}
}
}
}