SQL Operations Studio Public Preview 1 (0.23) release source code

extensions-modules/src/languageservice/serverStatus.ts

@@ -0,0 +1,125 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import {IStatusView} from './interfaces';
+import vscode = require('vscode');
+import {IExtensionConstants} from '../models/contracts/contracts';
+import * as Constants from '../models/constants';
+
+/*
+* The status class which includes the service initialization result.
+*/
+export class ServerInitializationResult {
+
+    public constructor(
+        public installedBeforeInitializing: Boolean = false,
+        public isRunning: Boolean = false,
+        public serverPath: string = undefined
+    ) {
+
+    }
+
+    public Clone(): ServerInitializationResult  {
+        return new ServerInitializationResult(this.installedBeforeInitializing, this.isRunning, this.serverPath);
+    }
+
+    public WithRunning(isRunning: Boolean): ServerInitializationResult  {
+        return new ServerInitializationResult(this.installedBeforeInitializing, isRunning, this.serverPath);
+    }
+}
+
+/*
+* The status class shows service installing progress in UI
+*/
+export class ServerStatusView implements IStatusView, vscode.Disposable  {
+    private _numberOfSecondsBeforeHidingMessage = 5000;
+    private _statusBarItem: vscode.StatusBarItem = undefined;
+    private _progressTimerId: NodeJS.Timer;
+    private _constants: IExtensionConstants;
+
+    constructor(constants: IExtensionConstants) {
+        this._statusBarItem = vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Right);
+        vscode.window.onDidChangeActiveTextEditor((params) => this.onDidChangeActiveTextEditor(params));
+        vscode.workspace.onDidCloseTextDocument((params) => this.onDidCloseTextDocument(params));
+        this._constants = constants;
+    }
+
+    public installingService(): void {
+        this._statusBarItem.command = undefined;
+        this._statusBarItem.show();
+
+        this.showProgress('$(desktop-download) ' + Constants.serviceInstalling);
+    }
+
+    public updateServiceDownloadingProgress(downloadPercentage: number): void {
+        this._statusBarItem.text = '$(cloud-download) ' + `${Constants.serviceDownloading} ... ${downloadPercentage}%`;
+        this._statusBarItem.show();
+    }
+
+    public serviceInstalled(): void {
+
+        this._statusBarItem.command = undefined;
+        this._statusBarItem.text = this._constants.serviceInstalled;
+        this._statusBarItem.show();
+        // Cleat the status bar after 2 seconds
+        setTimeout(() => {
+            this._statusBarItem.hide();
+        }, this._numberOfSecondsBeforeHidingMessage);
+    }
+
+    public serviceInstallationFailed(): void {
+        this._statusBarItem.command = undefined;
+        this._statusBarItem.text = this._constants.serviceInstallationFailed;
+        this._statusBarItem.show();
+    }
+
+    private showProgress(statusText: string): void {
+        let index = 0;
+        let progressTicks = [ '|', '/', '-', '\\'];
+
+
+        this._progressTimerId = setInterval(() => {
+            index++;
+            if (index > 3) {
+                index = 0;
+            }
+
+            let progressTick = progressTicks[index];
+            if (this._statusBarItem.text !== this._constants.serviceInstalled) {
+                this._statusBarItem.text = statusText + ' ' + progressTick;
+                this._statusBarItem.show();
+            }
+        }, 200);
+    }
+
+    dispose(): void {
+        this.destroyStatusBar();
+    }
+
+    private hideLastShownStatusBar(): void {
+        if (typeof this._statusBarItem !== 'undefined') {
+            this._statusBarItem.hide();
+        }
+    }
+
+    private onDidChangeActiveTextEditor(editor: vscode.TextEditor): void {
+        // Hide the most recently shown status bar
+        this.hideLastShownStatusBar();
+    }
+
+    private onDidCloseTextDocument(doc: vscode.TextDocument): void {
+        // Remove the status bar associated with the document
+        this.destroyStatusBar();
+    }
+
+    private destroyStatusBar(): void {
+        if (typeof this._statusBarItem !== 'undefined') {
+            this._statusBarItem.dispose();
+        }
+    }
+}
+