private void ProcessFilter()
{
if (SnoopModes.MultipleDispatcherMode && !Dispatcher.CheckAccess())
{
Action action = ProcessFilter;
Dispatcher.BeginInvoke(action);
return;
}
VisualTreeItems.Clear();
// cplotts todo: we've got to come up with a better way to do this.
if (_filter == "Clear any filter applied to the tree view")
{
SetFilter(string.Empty);
}
else if (_filter == "Show only visuals with binding errors")
{
FilterBindings(_rootVisualTreeItem);
}
else if (_filter.Length == 0)
{
VisualTreeItems.Add(_rootVisualTreeItem);
}
else
{
FilterTree(_rootVisualTreeItem, _filter.ToLower());
}
}
private void HandleRefresh(object sender, ExecutedRoutedEventArgs e)
{
var saveCursor = Mouse.OverrideCursor;
Mouse.OverrideCursor = Cursors.Wait;
try
{
var currentTarget = CurrentSelection?.Target;
VisualTreeItems.Clear();
Root = VisualTreeItem.Construct(_root, null);
if (currentTarget != null)
{
var visualItem = FindItem(currentTarget);
if (visualItem != null)
{
CurrentSelection = visualItem;
}
}
SetFilter(_filter);
}
finally
{
Mouse.OverrideCursor = saveCursor;
}
}
private void Load(object localRoot)
{
_root = localRoot;
VisualTreeItems.Clear();
Root = VisualTreeItem.Construct(localRoot, null);
CurrentSelection = _rootVisualTreeItem;
SetFilter(_filter);
OnPropertyChanged(nameof(Root));
}
private void FilterBindings(VisualTreeItem node)
{
foreach (var child in node.Children)
{
if (child.HasBindingError)
{
VisualTreeItems.Add(child);
}
else
{
FilterBindings(child);
}
}
}
private void FilterTree(VisualTreeItem node, string localFilter)
{
foreach (var child in node.Children)
{
if (child.Filter(localFilter))
{
VisualTreeItems.Add(child);
}
else
{
FilterTree(child, localFilter);
}
}
}
public void ApplyReduceDepthFilter(VisualTreeItem newRoot)
{
if (_reducedDepthRoot == newRoot)
{
return;
}
if (_reducedDepthRoot == null)
{
Dispatcher.InvokeAsync(() =>
{
VisualTreeItems.Clear();
VisualTreeItems.Add(_reducedDepthRoot);
_reducedDepthRoot = null;
}, DispatcherPriority.Background);
}
_reducedDepthRoot = newRoot;
}
