ML - dashboard icons and links (#10153)

* ML - dashboard icons and links

extensions/machine-learning/src/views/mainViewBase.ts

@@ -0,0 +1,55 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import * as azdata from 'azdata';
+import { ApiWrapper } from '../common/apiWrapper';
+import { IPageView } from './interfaces';
+
+/**
+ * Base class for dialog and wizard
+ */
+export class MainViewBase {
+
+	protected _pages: IPageView[] = [];
+
+	/**
+	 *
+	 */
+	constructor(protected _apiWrapper: ApiWrapper) {
+	}
+
+	protected registerContent(viewPanel: azdata.window.DialogTab | azdata.window.WizardPage, componentView: IPageView) {
+		viewPanel.registerContent(async view => {
+			if (componentView) {
+				let component = componentView.registerComponent(view.modelBuilder);
+				await view.initializeModel(component);
+				await componentView.refresh();
+			}
+		});
+	}
+
+	protected addPage(page: IPageView, index?: number): void {
+		if (index) {
+			this._pages[index] = page;
+		} else {
+			this._pages.push(page);
+		}
+	}
+
+	public async disposePages(): Promise<void> {
+		if (this._pages) {
+			await Promise.all(this._pages.map(async (p) => {
+				if (p.disposePage) {
+					await p.disposePage();
+				}
+			}));
+		}
+	}
+
+	public async refresh(): Promise<void> {
+		if (this._pages) {
+			await Promise.all(this._pages.map(async (p) => await p.refresh()));
+		}
+	}
+}