debug: notification on configure action if debugging is not setup

fixes #4453

src/vs/workbench/parts/debug/browser/debugActionItems.ts

@@ -70,7 +70,7 @@ export class SelectConfigActionItem extends BaseActionItem {
 			if (!config || !config.configurations) {
 				this.select.add(this.createOption(`<${ nls.localize('none', "none") }>`));
 				this.select.disabled = true;
-				return;
+				return this.actionRunner.run(this._action, null);
 			}
 
 			const configurations = config.configurations;

src/vs/workbench/parts/debug/browser/media/debugViewlet.css

@@ -19,7 +19,7 @@
 	background: url('repl.svg') center center no-repeat;
 }
 
-.monaco-workbench .debug-action.toggle-repl.notification:before {
+.monaco-workbench .debug-action.notification:before {
 	content: '';
 	width: 6px;
 	height: 6px;

src/vs/workbench/parts/debug/common/debug.ts

@@ -145,7 +145,8 @@ export var ViewModelEvents = {
 
 export var ServiceEvents = {
 	STATE_CHANGED: 'StateChanged',
-	TYPE_NOT_SUPPORTED: 'TypeNotSupported'
+	TYPE_NOT_SUPPORTED: 'TypeNotSupported',
+	CONFIGURATION_CHANGED: 'ConfigurationChanged'
 };
 
 export var SessionEvents = {

src/vs/workbench/parts/debug/electron-browser/debugActions.ts

@@ -79,7 +79,10 @@ export class ConfigureAction extends AbstractDebugAction {
 	static LABEL = nls.localize('openLaunchJson', "Open {0}", 'launch.json');
 
 	constructor(id: string, label: string, @IDebugService debugService: IDebugService, @IKeybindingService keybindingService: IKeybindingService) {
-		super(id, label, 'debug-action configure', debugService, keybindingService);
+		super(id, label, 'debug-action configure notification', debugService, keybindingService);
+		this.toDispose.push(debugService.addListener2(debug.ServiceEvents.CONFIGURATION_CHANGED, e  => {
+			this.class = this.debugService.getConfigurationName() ? 'debug-action configure' : 'debug-action configure notification';
+		}));
 	}
 
 	public run(event?: any): TPromise<any> {

src/vs/workbench/parts/debug/electron-browser/debugService.ts

@@ -525,7 +525,7 @@ export class DebugService extends ee.EventEmitter implements debug.IDebugService
 	public createSession(noDebug: boolean, changeViewState = !this.partService.isSideBarHidden()): TPromise<any> {
 		this.clearReplExpressions();
 
-		return this.textFileService.saveAll().then(() => this.extensionService.onReady()).then(() => this.configurationManager.setConfiguration(this.configurationManager.getConfigurationName())).then(() => {
+		return this.textFileService.saveAll().then(() => this.extensionService.onReady()).then(() => this.setConfiguration(this.configurationManager.getConfigurationName())).then(() => {
 
 			const configuration = this.configurationManager.getConfiguration();
 			if (!configuration) {
@@ -831,7 +831,7 @@ export class DebugService extends ee.EventEmitter implements debug.IDebugService
 	}
 
 	public setConfiguration(name: string): TPromise<void> {
-		return this.configurationManager.setConfiguration(name);
+		return this.configurationManager.setConfiguration(name).then(() => this.emit(debug.ServiceEvents.CONFIGURATION_CHANGED));
 	}
 
 	public openConfigFile(sideBySide: boolean): TPromise<boolean> {