public VisualTreeItem FindNode(object target)
{
// it might be faster to have a map for the lookup
// check into this at some point
if (this.Target == target)
{
if (DXMethods.IsChrome(Target) && target is IInputElement)
{
var root = DXMethods.GetRoot(Target);
if (root != null)
{
var child = RenderTreeHelper.HitTest(root, System.Windows.Input.Mouse.GetPosition((IInputElement)target));
var node = FindNode(child);
if (node != null)
{
return(node);
}
}
}
return(this);
}
foreach (VisualTreeItem child in this.Children)
{
VisualTreeItem node = child.FindNode(target);
if (node != null)
{
return(node);
}
}
return(null);
}
static VisualTreeItem FindNode(VisualTreeItem currentVisualTreeItem, object target)
{
// it might be faster to have a map for the lookup
// check into this at some point
Queue <VisualTreeItem> items = new Queue <VisualTreeItem>();
items.Enqueue(currentVisualTreeItem);
while (items.Count > 0)
{
currentVisualTreeItem = items.Dequeue();
if (currentVisualTreeItem.Target == target)
{
var chrome = currentVisualTreeItem.Target.Wrap <IChrome>();
if (chrome != null && target is IInputElement)
{
var root = chrome.Root;
if (root != null)
{
var child = RenderTreeHelper.HitTest(root, Mouse.GetPosition((IInputElement)target));
var node = currentVisualTreeItem.FindNode(child);
if (node != null)
{
return(node);
}
}
}
return(currentVisualTreeItem);
}
foreach (var child in currentVisualTreeItem.Children)
{
items.Enqueue(child);
}
}
return(null);
}