git: basic status bar

extensions/git/src/main.ts

@@ -11,6 +11,7 @@ import { findGit, Git } from './git';
 import { Model } from './model';
 import { GitSCMProvider } from './scmProvider';
 import { registerCommands } from './commands';
+import { StatusBar } from './statusbar';
 import { filterEvent, anyEvent, throttle } from './util';
 import * as nls from 'vscode-nls';
 import { decorate, debounce } from 'core-decorators';
@@ -111,6 +112,8 @@ async function init(disposables: Disposable[]): Promise<void> {
 	const watcher = new Watcher(model, onWorkspaceChange);
 	const textDocumentContentProvider = new TextDocumentContentProvider(git, rootPath, onGitChange);
 
+	const statusBar = new StatusBar(model);
+
 	disposables.push(
 		registerCommands(model),
 		scm.registerSCMProvider('git', provider),
@@ -118,7 +121,8 @@ async function init(disposables: Disposable[]): Promise<void> {
 		textDocumentContentProvider,
 		outputChannel,
 		fsWatcher,
-		watcher
+		watcher,
+		statusBar
 	);
 }
 

extensions/git/src/model.ts

@@ -8,7 +8,7 @@
 import { Uri, EventEmitter, Event, SCMResource, SCMResourceDecorations, SCMResourceGroup } from 'vscode';
 import { Repository, IRef, IRemote } from './git';
 import { throttle } from './util';
-import { decorate, debounce } from 'core-decorators';
+import { decorate } from 'core-decorators';
 import * as path from 'path';
 
 const iconsRootPath = path.join(path.dirname(__dirname), 'resources', 'icons');

extensions/git/src/statusbar.ts

@@ -0,0 +1,49 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import { window, Disposable, StatusBarItem, StatusBarAlignment } from 'vscode';
+import { IRef, RefType } from './git';
+import { Model } from './model';
+
+export class StatusBar {
+
+	private raw: StatusBarItem;
+	private disposables: Disposable[] = [];
+
+	constructor(private model: Model) {
+		this.raw = window.createStatusBarItem(StatusBarAlignment.Left);
+		this.raw.show();
+
+		this.disposables.push(this.raw);
+		model.onDidChange(this.update, this, this.disposables);
+		this.update();
+	}
+
+	private update(): void {
+		const HEAD = this.model.HEAD;
+
+		if (!HEAD) {
+			this.raw.color = 'rgb(100, 100, 100)';
+			this.raw.text = 'unknown';
+			return;
+		}
+
+		const tag = this.model.refs.filter(iref => iref.type === RefType.Tag && iref.commit === HEAD.commit)[0];
+		const tagName = tag && tag.name;
+		const head = HEAD.name || tagName || (HEAD.commit || '').substr(0, 8);
+
+		this.raw.color = 'rgb(255, 255, 255)';
+		this.raw.text = head +
+			(this.model.workingTreeGroup.resources.length > 0 ? '*' : '') +
+			(this.model.indexGroup.resources.length > 0 ? '+' : '') +
+			(this.model.mergeGroup.resources.length > 0 ? '!' : '');
+	}
+
+	dispose(): void {
+		this.disposables.forEach(d => d.dispose());
+	}
+}