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;
}
}
public void SetItemsSource(IEnumerable<ITreeNode> value)
{
if (value == null)
return;
this.itemsSource = value;
this.lazyGrid = new LazyItemsControl<ITreeNode>(this.dataGrid, InitialItemsCount);
var source = new VirtualizingIEnumerable<ITreeNode>(value);
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;
}
}
