internal static void InitializeTreeView(SharpTreeView treeView)
{
// Clear the value set by the constructor. This is required or our style won't be used.
treeView.ClearValue(ItemsControl.ItemContainerStyleProperty);
treeView.GetPreviewInsideTextBackground = () => Themes.Theme.GetColor(ColorType.SystemColorsHighlight).InheritedColor.Background.GetBrush(null);
treeView.GetPreviewInsideForeground = () => Themes.Theme.GetColor(ColorType.SystemColorsHighlightText).InheritedColor.Foreground.GetBrush(null);
}
internal static void InitializeTreeView(SharpTreeView treeView)
{
// Clear the value set by the constructor. This is required or our style won't be used.
treeView.ClearValue(ItemsControl.ItemContainerStyleProperty);
treeView.GetPreviewInsideTextBackground = () => Themes.Theme.GetColor(dntheme.ColorType.SystemColorsHighlight).InheritedColor.Background.GetBrush(null);
treeView.GetPreviewInsideForeground = () => Themes.Theme.GetColor(dntheme.ColorType.SystemColorsHighlightText).InheritedColor.Foreground.GetBrush(null);
VirtualizingStackPanel.SetIsVirtualizing(treeView, true);
// VirtualizationMode.Recycling results in slower scrolling but less memory usage.
// In my simple test, 225MB vs 280MB (165 loaded assemblies, selected method was
// [mscorlib]System.String::Format(string, object), scroll up and down, release, then
// keep doing it a number of times).
// VirtualizationMode.Standard: all created items are freed once the scrolling stops
// which can sometimes result in the UI not responding to input. Doesn't seem to be a
// problem with the treeview, though. More of a problem with the CIL editor which has
// to use Recycling.
// SharpTreeView defaults to Recycling, so we must explicitly set it to Standard.
VirtualizingStackPanel.SetVirtualizationMode(treeView, VirtualizationMode.Standard);
}
internal static void InitializeTreeView(SharpTreeView treeView, bool isGridView = false) {
if (isGridView)
treeView.ItemContainerStyle = (Style)App.Current.TryFindResource(SharpGridView.ItemContainerStyleKey);
else {
// Clear the value set by the constructor. This is required or our style won't be used.
treeView.ClearValue(ItemsControl.ItemContainerStyleProperty);
}
treeView.GetPreviewInsideTextBackground = () => Themes.Theme.GetColor(ColorType.SystemColorsHighlight).InheritedColor.Background.GetBrush(null);
treeView.GetPreviewInsideForeground = () => Themes.Theme.GetColor(ColorType.SystemColorsHighlightText).InheritedColor.Foreground.GetBrush(null);
}
public TreeViewImpl(ITreeViewServiceImpl treeViewService, IThemeService themeService, IClassificationFormatMapService classificationFormatMapService, Guid guid, TreeViewOptions options) {
Guid = guid;
this.treeViewService = treeViewService;
treeViewListener = options.TreeViewListener;
classificationFormatMap = classificationFormatMapService.GetClassificationFormatMap(AppearanceCategoryConstants.UIMisc);
classificationFormatMap.ClassificationFormatMappingChanged += ClassificationFormatMap_ClassificationFormatMappingChanged;
foregroundBrushResourceKey = options.ForegroundBrushResourceKey ?? "TreeViewForeground";
sharpTreeView = new SharpTreeView();
sharpTreeView.SelectionChanged += SharpTreeView_SelectionChanged;
sharpTreeView.CanDragAndDrop = options.CanDragAndDrop;
sharpTreeView.AllowDrop = options.AllowDrop;
sharpTreeView.AllowDropOrder = options.AllowDrop;
VirtualizingStackPanel.SetIsVirtualizing(sharpTreeView, options.IsVirtualizing);
VirtualizingStackPanel.SetVirtualizationMode(sharpTreeView, options.VirtualizationMode);
sharpTreeView.SelectionMode = options.SelectionMode;
sharpTreeView.BorderThickness = new Thickness(0);
sharpTreeView.ShowRoot = false;
sharpTreeView.ShowLines = false;
if (options.IsGridView) {
sharpTreeView.SetResourceReference(ItemsControl.ItemContainerStyleProperty, SharpGridView.ItemContainerStyleKey);
sharpTreeView.SetResourceReference(FrameworkElement.StyleProperty, "SharpTreeViewGridViewStyle");
}
else {
// Clear the value set by the constructor. This is required or our style won't be used.
sharpTreeView.ClearValue(ItemsControl.ItemContainerStyleProperty);
sharpTreeView.SetResourceReference(FrameworkElement.StyleProperty, typeof(SharpTreeView));
}
sharpTreeView.GetPreviewInsideTextBackground = () => themeService.Theme.GetColor(ColorType.SystemColorsHighlight).Background;
sharpTreeView.GetPreviewInsideForeground = () => themeService.Theme.GetColor(ColorType.SystemColorsHighlightText).Foreground;
// Add the root at the end since Create() requires some stuff to have been initialized
root = Create(options.RootNode ?? new TreeNodeDataImpl(new Guid(DocumentTreeViewConstants.ROOT_NODE_GUID)));
sharpTreeView.Root = root.Node;
}
