Move DacFx wizard into separate extension (#4115)

* Moved dacfx wizard into separate extension

* updating to use azdata

* one more azdata change

* bump import extension version

* renaming extension to dacpac

extensions/dacpac/src/wizard/pages/exportConfigPage.ts

@@ -0,0 +1,100 @@
+/*---------------------------------------------------------------------------------------------
+ *  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 * as azdata from 'azdata';
+import * as nls from 'vscode-nls';
+import * as vscode from 'vscode';
+import { DacFxDataModel } from '../api/models';
+import { DataTierApplicationWizard } from '../dataTierApplicationWizard';
+import { DacFxConfigPage } from '../api/dacFxConfigPage';
+
+const localize = nls.loadMessageBundle();
+
+export class ExportConfigPage extends DacFxConfigPage {
+
+	protected readonly wizardPage: azdata.window.WizardPage;
+	protected readonly instance: DataTierApplicationWizard;
+	protected readonly model: DacFxDataModel;
+	protected readonly view: azdata.ModelView;
+
+	private form: azdata.FormContainer;
+
+	public constructor(instance: DataTierApplicationWizard, wizardPage: azdata.window.WizardPage, model: DacFxDataModel, view: azdata.ModelView) {
+		super(instance, wizardPage, model, view);
+		this.fileExtension = '.bacpac';
+	}
+
+	async start(): Promise<boolean> {
+		let databaseComponent = await this.createDatabaseDropdown();
+		let serverComponent = await this.createServerDropdown(false);
+		let fileBrowserComponent = await this.createFileBrowser();
+
+		this.form = this.view.modelBuilder.formContainer()
+			.withFormItems(
+				[
+					serverComponent,
+					databaseComponent,
+					fileBrowserComponent,
+				], {
+					horizontal: true,
+					componentWidth: 400
+				}).component();
+		await this.view.initializeModel(this.form);
+		return true;
+	}
+
+	async onPageEnter(): Promise<boolean> {
+		let r1 = await this.populateServerDropdown();
+		let r2 = await this.populateDatabaseDropdown();
+		return r1 && r2;
+	}
+
+	public setupNavigationValidator() {
+		this.instance.registerNavigationValidator(() => {
+			if (this.databaseLoader.loading) {
+				return false;
+			}
+			return true;
+		});
+	}
+
+	private async createFileBrowser(): Promise<azdata.FormComponent> {
+		this.createFileBrowserParts();
+
+		// default filepath
+		this.fileTextBox.value = this.generateFilePath();
+		this.model.filePath = this.fileTextBox.value;
+
+		this.fileButton.onDidClick(async (click) => {
+			let fileUri = await vscode.window.showSaveDialog(
+				{
+					defaultUri: vscode.Uri.file(this.fileTextBox.value),
+					saveLabel: localize('dacfxExport.saveFile', 'Save'),
+					filters: {
+						'bacpac Files': ['bacpac'],
+					}
+				}
+			);
+
+			if (!fileUri) {
+				return;
+			}
+
+			this.fileTextBox.value = fileUri.fsPath;
+			this.model.filePath = fileUri.fsPath;
+		});
+
+		this.fileTextBox.onTextChanged(async () => {
+			this.model.filePath = this.fileTextBox.value;
+		});
+
+		return {
+			component: this.fileTextBox,
+			title: localize('dacFxExport.fileTextboxTitle', 'File Location'),
+			actions: [this.fileButton]
+		};
+	}
+}