Base resource viewer editor (#12039)

* Base resource viewer editor

* Use table more directly

* Dispose listeners

* Fix strict compile

* undo

* More strict fixes

* Remove theming logic

* comments

* more fixes

* cleanup

* Remove actions contribution

src/sql/workbench/common/editor/resourceViewer/resourceViewerState.ts

@@ -0,0 +1,34 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IDisposable } from 'vs/base/common/lifecycle';
+import { Emitter } from 'vs/base/common/event';
+
+export interface IResourceViewerStateChangedEvent {
+
+}
+
+export interface INewResourceViewerState {
+	// TODO - chgagnon implement state
+}
+
+export class ResourceViewerState implements IDisposable {
+
+	private readonly _onResourceViewerStateChange = new Emitter<IResourceViewerStateChangedEvent>();
+	public readonly onResourceViewerStateChange = this._onResourceViewerStateChange.event;
+
+	public dispose(): void {
+	}
+
+	public change(newState: INewResourceViewerState): void {
+		let changeEvent: IResourceViewerStateChangedEvent = {
+		};
+		let somethingChanged = false;
+
+		if (somethingChanged) {
+			this._onResourceViewerStateChange.fire(changeEvent);
+		}
+	}
+}