query results filtering and sorting (#14833)

* query results filtering and sorting (#14589)

* enable filter

* attach button style

* add hybrid data provider

* make filter and sort work

* fix editor switch issue

* configuration

* fix sort and filter

* add more specific selector

* fix hidden items issue

* update text

* revert text change

* fix copy results issue

* put feature behind preview flag

* comments

* fix tslint error

src/sql/base/common/dataProvider.ts

@@ -0,0 +1,61 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import { Event } from 'vs/base/common/event';
+
+/**
+ * Interface for table data providers
+ */
+export interface IDisposableDataProvider<T> extends Slick.DataProvider<T> {
+	/**
+	 * Disposes the data provider object
+	 */
+	dispose(): void;
+
+	/**
+	 * Gets the rows of the giving range
+	 * @param startIndex Start index of the range
+	 * @param length Length of the rows to retrieve
+	 */
+	getRangeAsync(startIndex: number, length: number): Promise<T[]>;
+
+	/**
+	 * Gets unique values of all the cells in the given column
+	 * @param column the column information
+	 */
+	getColumnValues(column: Slick.Column<T>): Promise<string[]>;
+
+	/**
+	 * Gets the unique values of the filtered cells in the given column
+	 * @param column
+	 */
+	getFilteredColumnValues(column: Slick.Column<T>): Promise<string[]>;
+
+	/**
+	 * Filters the data
+	 * @param columns columns to be filtered, the
+	 */
+	filter(columns?: Slick.Column<T>[]): Promise<void>;
+
+	/**
+	 * Sorts the data
+	 * @param args sort arguments
+	 */
+	sort(args: Slick.OnSortEventArgs<T>): Promise<void>;
+
+	/**
+	 * Event fired when the filters changed
+	 */
+	readonly onFilterStateChange: Event<void>;
+
+	/**
+	 * Event fired when the sorting is completed
+	 */
+	readonly onSortComplete: Event<Slick.OnSortEventArgs<T>>;
+
+	/**
+	 * Gets a boolean value indicating whether the data is current in memory
+	 */
+	readonly isDataInMemory: boolean;
+}