open editors: always auto expand groups

src/vs/workbench/parts/files/browser/views/openEditorsView.ts

@@ -91,8 +91,7 @@ export class OpenEditorsView extends AdaptiveCollapsibleViewletView {
 
 		// Show groups only if there is more than 1
 		const treeInput = this.model.groups.length === 1 ? this.model.groups[0] : this.model;
-		this.tree.setInput(treeInput).done(null, errors.onUnexpectedError);
-		this.tree.expandAll(this.model.groups).done(null, errors.onUnexpectedError);
+		this.tree.setInput(treeInput).done(() => this.tree.expandAll(this.model.groups), errors.onUnexpectedError);
 	}
 
 	public create(): TPromise<void> {
@@ -138,7 +137,7 @@ export class OpenEditorsView extends AdaptiveCollapsibleViewletView {
 			// Show in tree
 			const treeInput = this.model.groups.length === 1 ? this.model.groups[0] : this.model;
 			if (treeInput !== this.tree.getInput()) {
-				this.tree.setInput(treeInput).done(null, errors.onUnexpectedError);
+				this.tree.setInput(treeInput).done(() => this.tree.expandAll(this.model.groups), errors.onUnexpectedError);
 			} else {
 				this.tree.refresh().done(null, errors.onUnexpectedError);
 			}