Rename registeredServers to objectExplorer (#1093)

src/sql/parts/objectExplorer/viewlet/recentConnectionDataSource.ts

@@ -0,0 +1,68 @@
+/*---------------------------------------------------------------------------------------------
+ *  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 { ConnectionProfileGroup } from 'sql/parts/connection/common/connectionProfileGroup';
+import { ConnectionProfile } from 'sql/parts/connection/common/connectionProfile';
+import { ITree, IDataSource } from 'vs/base/parts/tree/browser/tree';
+import { TPromise } from 'vs/base/common/winjs.base';
+
+/**
+ * Implements the DataSource(that returns a parent/children of an element) for the recent connection tree
+ */
+export class RecentConnectionDataSource implements IDataSource {
+
+	/**
+	 * Returns the unique identifier of the given element.
+	 * No more than one element may use a given identifier.
+	 */
+	public getId(tree: ITree, element: any): string {
+		if (element instanceof ConnectionProfile) {
+			return (<ConnectionProfile>element).id;
+		} else if (element instanceof ConnectionProfileGroup) {
+			return (<ConnectionProfileGroup>element).id;
+		} else {
+			return undefined;
+		}
+	}
+
+	/**
+	 * Returns a boolean value indicating whether the element has children.
+	 */
+	public hasChildren(tree: ITree, element: any): boolean {
+		if (element instanceof ConnectionProfile) {
+			return false;
+		} else if (element instanceof ConnectionProfileGroup) {
+			return (<ConnectionProfileGroup>element).hasChildren();
+		}
+		return false;
+	}
+
+	/**
+	 * Returns the element's children as an array in a promise.
+	 */
+	public getChildren(tree: ITree, element: any): TPromise<any> {
+		if (element instanceof ConnectionProfile) {
+			return TPromise.as(null);
+		} else if (element instanceof ConnectionProfileGroup) {
+			return TPromise.as((<ConnectionProfileGroup>element).getChildren());
+		} else {
+			return TPromise.as(null);
+		}
+	}
+
+	/**
+	 * Returns the element's parent in a promise.
+	 */
+	public getParent(tree: ITree, element: any): TPromise<any> {
+		if (element instanceof ConnectionProfile) {
+			return TPromise.as((<ConnectionProfile>element).getParent());
+		} else if (element instanceof ConnectionProfileGroup) {
+			return TPromise.as((<ConnectionProfileGroup>element).getParent());
+		} else {
+			return TPromise.as(null);
+		}
+	}
+}