data workspace extension batch 2 (#12208)

* work in progress

* load projects in view and test cases

* update scope

* make the sql proj menu available in workspace view

* add extension unit test

* address comments

* fix errors

extensions/sql-database-projects/src/projectProvider/projectProvider.ts

@@ -0,0 +1,37 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as dataworkspace from 'dataworkspace';
+import * as vscode from 'vscode';
+import { sqlprojExtension, projectTypeDisplayName } from '../common/constants';
+import { IconPathHelper } from '../common/iconHelper';
+import { SqlDatabaseProjectTreeViewProvider } from '../controllers/databaseProjectTreeViewProvider';
+import { Project } from '../models/project';
+import { BaseProjectTreeItem } from '../models/tree/baseTreeItem';
+
+export class SqlDatabaseProjectProvider implements dataworkspace.IProjectProvider {
+
+	/**
+	 * Gets the project tree data provider
+	 * @param projectFilePath The project file path
+	 */
+	async getProjectTreeDataProvider(projectFilePath: string): Promise<vscode.TreeDataProvider<BaseProjectTreeItem>> {
+		const provider = new SqlDatabaseProjectTreeViewProvider();
+		const project = await Project.openProject(projectFilePath);
+		provider.load([project]);
+		return provider;
+	}
+
+	/**
+	 * Gets the supported project types
+	 */
+	get supportedProjectTypes(): dataworkspace.IProjectType[] {
+		return [{
+			projectFileExtension: sqlprojExtension.replace(/\./g, ''),
+			displayName: projectTypeDisplayName,
+			icon: IconPathHelper.databaseProject
+		}];
+	}
+}