private void addNextItems(VirtualizingIEnumerable <T> sourceToAdd, int nItems)
{
sourceToAdd.AddNextItems(nItems);
if (!sourceToAdd.HasNext)
{
// all items from IEnumerable have been added
this.itemsSourceTotalCount = sourceToAdd.Count;
}
}
public void SetItemsSource(IEnumerable <ITreeNode> value)
{
this.itemsSource = value;
this.lazyGrid = new LazyItemsControl <ITreeNode>(this.dataGrid, InitialItemsCount);
// HACK for updating the pins in tooltip
var observable = new List <ITreeNode>();
this.itemsSource.ForEach(item => observable.Add(item));
// verify if at the line of the root there's a pin bookmark
ITextEditor editor;
var viewContent = WorkbenchSingleton.Workbench.ActiveViewContent;
ITextEditorProvider provider = viewContent as ITextEditorProvider;
if (provider != null)
{
editor = provider.TextEditor;
}
else
{
editor = viewContent.GetService(typeof(ITextEditor)) as ITextEditor;
}
if (editor != null)
{
var pin = BookmarkManager.Bookmarks.Find(
b => b is PinBookmark &&
b.Location.Line == logicalPosition.Line &&
b.FileName == editor.FileName) as PinBookmark;
if (pin != null)
{
observable.ForEach(item => { // TODO: find a way not to use "observable"
if (pin.ContainsNode(item))
{
item.IsPinned = true;
}
});
}
}
var source = new VirtualizingIEnumerable <ITreeNode>(observable);
lazyGrid.ItemsSource = source;
this.dataGrid.AddHandler(ScrollViewer.ScrollChangedEvent, new ScrollChangedEventHandler(handleScroll));
if (this.lazyGrid.ItemsSourceTotalCount != null)
{
// hide up/down buttons if too few items
btnUp.Visibility = btnDown.Visibility =
this.lazyGrid.ItemsSourceTotalCount.Value <= VisibleItemsCount ? Visibility.Collapsed : Visibility.Visible;
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
if (!DebuggerService.IsDebuggerStarted)
{
return;
}
// refresh content
ITreeNode node = ((FrameworkElement)e.OriginalSource).DataContext as ITreeNode;
var resultNode = currentDebugger.GetNode(node.FullName, node.ImageName);
if (resultNode == null)
{
return;
}
// HACK for updating the pins in tooltip
var observable = new ObservableCollection <ITreeNode>();
var source = lazyGrid.ItemsSource;
source.ForEach(item => {
if (item.CompareTo(node) == 0)
{
observable.Add(resultNode);
}
else
{
observable.Add(item);
}
});
Mark.Nodes = observable;
// update UI
var newSource = new VirtualizingIEnumerable <ITreeNode>(observable);
lazyGrid.ItemsSource = newSource;
lazyExpandersGrid.ItemsSource = newSource;
}
