bring back the isSupported method cos they are used for the F1 list

src/vs/editor/contrib/format/common/formatActions.ts

@@ -141,7 +141,7 @@ export class FormatAction extends EditorAction {
 	private _disposables: IDisposable[];
 
 	constructor(descriptor:editorCommon.IEditorActionDescriptorData, editor:editorCommon.ICommonCodeEditor) {
-		super(descriptor, editor, Behaviour.WidgetFocus | Behaviour.Writeable);
+		super(descriptor, editor, Behaviour.WidgetFocus | Behaviour.Writeable | Behaviour.UpdateOnModelChange);
 		this._disposables = [
 			DocumentFormattingEditProviderRegistry.onDidChange(() => this.resetEnablementState()),
 			DocumentRangeFormattingEditProviderRegistry.onDidChange(() => this.resetEnablementState())
@@ -152,6 +152,15 @@ export class FormatAction extends EditorAction {
 		super.dispose();
 		this._disposables = dispose(this._disposables);
 	}
+	public isSupported(): boolean {
+		return (
+			(
+				DocumentFormattingEditProviderRegistry.has(this.editor.getModel())
+				|| DocumentRangeFormattingEditProviderRegistry.has(this.editor.getModel())
+			)
+			&& super.isSupported()
+		);
+	}
 
 	public run(): TPromise<boolean> {
 

src/vs/editor/contrib/quickOpen/browser/quickOutline.ts

@@ -115,6 +115,9 @@ export class QuickOutlineAction extends BaseEditorQuickOpenAction {
 	constructor(descriptor: IEditorActionDescriptorData, editor: ICommonCodeEditor) {
 		super(descriptor, editor, nls.localize('QuickOutlineAction.label', "Go to Symbol..."));
 	}
+	public isSupported(): boolean {
+		return DocumentSymbolProviderRegistry.has(this.editor.getModel()) && super.isSupported();
+	}
 
 	public run(): TPromise<boolean> {
 		let model = this.editor.getModel();

src/vs/editor/contrib/rename/browser/rename.ts

@@ -20,6 +20,7 @@ import {IEditorActionDescriptorData, IRange} from 'vs/editor/common/editorCommon
 import {CommonEditorRegistry, ContextKey} from 'vs/editor/common/editorCommonExtensions';
 import {KEYBINDING_CONTEXT_EDITOR_READONLY, ModeContextKeys} from 'vs/editor/common/editorCommon';
 import {BulkEdit, createBulkEdit} from 'vs/editor/common/services/bulkEdit';
+import {RenameProviderRegistry} from 'vs/editor/common/modes';
 import {ICodeEditor} from 'vs/editor/browser/editorBrowser';
 import {rename} from '../common/rename';
 import RenameInputField from './renameInputField';
@@ -52,6 +53,14 @@ export class RenameAction extends EditorAction {
 		this._renameInputVisible = keybindingService.createKey(CONTEXT_RENAME_INPUT_VISIBLE, false);
 	}
 
+	public isSupported(): boolean {
+		return RenameProviderRegistry.has(this.editor.getModel()) && !this.editor.getModel().hasEditableRange() && super.isSupported();
+	}
+
+	public getEnablementState(): boolean {
+		return RenameProviderRegistry.has(this.editor.getModel());
+	}
+
 	public run(event?: any): TPromise<any> {
 
 		const selection = this.editor.getSelection(),