make OutlineGroup fit for being used with other things than providers, #95234

src/vs/editor/contrib/documentSymbols/outlineModel.ts

@@ -120,14 +120,14 @@ export class OutlineGroup extends TreeElement {
 	constructor(
 		readonly id: string,
 		public parent: TreeElement | undefined,
-		readonly provider: DocumentSymbolProvider,
-		readonly providerIndex: number,
+		readonly label: string,
+		readonly order: number,
 	) {
 		super();
 	}
 
 	adopt(parent: TreeElement): OutlineGroup {
-		let res = new OutlineGroup(this.id, parent, this.provider, this.providerIndex);
+		let res = new OutlineGroup(this.id, parent, this.label, this.order);
 		for (const [key, value] of this.children) {
 			res.children.set(key, value.adopt(res));
 		}
@@ -320,7 +320,7 @@ export class OutlineModel extends TreeElement {
 		const promises = provider.map((provider, index) => {
 
 			let id = TreeElement.findId(`provider_${index}`, result);
-			let group = new OutlineGroup(id, result, provider, index);
+			let group = new OutlineGroup(id, result, provider.displayName ?? 'Unknown Outline Provider', index);
 
 			return Promise.resolve(provider.provideDocumentSymbols(result.textModel, cts.token)).then(result => {
 				for (const info of result || []) {

src/vs/editor/contrib/documentSymbols/outlineTree.ts

@@ -32,7 +32,7 @@ export class OutlineNavigationLabelProvider implements IKeyboardNavigationLabelP
 
 	getKeyboardNavigationLabel(element: OutlineItem): { toString(): string; } {
 		if (element instanceof OutlineGroup) {
-			return element.provider.displayName || element.id;
+			return element.label;
 		} else {
 			return element.symbol.name;
 		}
@@ -43,7 +43,7 @@ export class OutlineAccessibilityProvider implements IListAccessibilityProvider<
 
 	getAriaLabel(element: OutlineItem): string | null {
 		if (element instanceof OutlineGroup) {
-			return element.provider.displayName || element.id;
+			return element.label;
 		} else {
 			return element.symbol.name;
 		}
@@ -102,7 +102,7 @@ export class OutlineGroupRenderer implements ITreeRenderer<OutlineGroup, FuzzySc
 
 	renderElement(node: ITreeNode<OutlineGroup, FuzzyScore>, index: number, template: OutlineGroupTemplate): void {
 		template.label.set(
-			node.element.provider.displayName || localize('provider', "Outline Provider"),
+			node.element.label,
 			createMatches(node.filterData)
 		);
 	}
@@ -324,7 +324,7 @@ export class OutlineItemComparator implements ITreeSorter<OutlineItem> {
 
 	compare(a: OutlineItem, b: OutlineItem): number {
 		if (a instanceof OutlineGroup && b instanceof OutlineGroup) {
-			return a.providerIndex - b.providerIndex;
+			return a.order - b.order;
 
 		} else if (a instanceof OutlineElement && b instanceof OutlineElement) {
 			if (this.type === OutlineSortOrder.ByKind) {

src/vs/workbench/browser/parts/editor/breadcrumbsControl.ts

@@ -104,7 +104,7 @@ class Item extends BreadcrumbsItem {
 		} else if (this.element instanceof OutlineGroup) {
 			// provider
 			let label = new IconLabel(container);
-			label.setLabel(this.element.provider.displayName || '');
+			label.setLabel(this.element.label);
 			this._disposables.add(label);
 
 		} else if (this.element instanceof OutlineElement) {