adding toggle editor

src/vs/workbench/browser/actions/layoutActions.ts

@@ -210,6 +210,32 @@ MenuRegistry.appendMenuItem(MenuId.MenubarAppearanceMenu, {
 
 // --- Toggle Sidebar Visibility
 
+export class ToggleEditorVisibilityAction extends Action {
+	static readonly ID = 'workbench.action.toggleEditorVisibility';
+	static readonly LABEL = nls.localize('toggleEditor', "Toggle Editor Area");
+
+	constructor(
+		id: string,
+		label: string,
+		@IPartService private readonly partService: IPartService
+	) {
+		super(id, label);
+
+		this.enabled = !!this.partService;
+	}
+
+	run(): Promise<any> {
+		const hideEditor = this.partService.isVisible(Parts.EDITOR_PART);
+		this.partService.setEditorHidden(hideEditor);
+
+		return Promise.resolve(null);
+	}
+
+}
+
+registry.registerWorkbenchAction(new SyncActionDescriptor(ToggleEditorVisibilityAction, ToggleEditorVisibilityAction.ID, ToggleEditorVisibilityAction.LABEL), 'View: Toggle Editor Area Visibility', viewCategory);
+
+
 export class ToggleSidebarVisibilityAction extends Action {
 
 	static readonly ID = 'workbench.action.toggleSidebarVisibility';

src/vs/workbench/electron-browser/workbench.ts

@@ -228,6 +228,7 @@ export class Workbench extends Disposable implements IPartService {
 	private notificationsCenter: NotificationsCenter;
 	private notificationsToasts: NotificationsToasts;
 
+	private editorHidden: boolean;
 	private sideBarHidden: boolean;
 	private statusBarHidden: boolean;
 	private activityBarHidden: boolean;
@@ -911,6 +912,9 @@ export class Workbench extends Disposable implements IPartService {
 
 	private initSettings(): void {
 
+		// Editor visiblity
+		this.editorHidden = false;
+
 		// Sidebar visibility
 		this.sideBarHidden = this.storageService.getBoolean(Workbench.sidebarHiddenStorageKey, StorageScope.WORKSPACE, this.contextService.getWorkbenchState() === WorkbenchState.EMPTY);
 
@@ -1403,27 +1407,6 @@ export class Workbench extends Disposable implements IPartService {
 		let statusBarInGrid = this.gridHasView(this.statusbarPartView);
 		let titlebarInGrid = this.gridHasView(this.titlebarPartView);
 
-		// Hide parts
-		if (this.panelHidden) {
-			this.panelPartView.hide();
-		}
-
-		if (this.statusBarHidden) {
-			this.statusbarPartView.hide();
-		}
-
-		if (!this.isVisible(Parts.TITLEBAR_PART)) {
-			this.titlebarPartView.hide();
-		}
-
-		if (this.activityBarHidden) {
-			this.activitybarPartView.hide();
-		}
-
-		if (this.sideBarHidden) {
-			this.sidebarPartView.hide();
-		}
-
 		// Add parts to grid
 		if (!statusBarInGrid) {
 			this.workbenchGrid.addView(this.statusbarPartView, Sizing.Split, this.editorPartView, Direction.Down);
@@ -1450,7 +1433,36 @@ export class Workbench extends Disposable implements IPartService {
 			panelInGrid = true;
 		}
 
+		// Hide parts
+		if (this.panelHidden) {
+			this.panelPartView.hide();
+		}
+
+		if (this.statusBarHidden) {
+			this.statusbarPartView.hide();
+		}
+
+		if (!this.isVisible(Parts.TITLEBAR_PART)) {
+			this.titlebarPartView.hide();
+		}
+
+		if (this.activityBarHidden) {
+			this.activitybarPartView.hide();
+		}
+
+		if (this.sideBarHidden) {
+			this.sidebarPartView.hide();
+		}
+
+		if (this.editorHidden) {
+			this.editorPartView.hide();
+		}
+
 		// Show visible parts
+		if (!this.editorHidden) {
+			this.editorPartView.show();
+		}
+
 		if (!this.statusBarHidden) {
 			this.statusbarPartView.show();
 		}
@@ -1553,6 +1565,23 @@ export class Workbench extends Disposable implements IPartService {
 		}
 	}
 
+	setEditorHidden(hidden: boolean, skipLayout?: boolean): void {
+		if (!(this.workbenchGrid instanceof Grid)) {
+			return;
+		}
+
+		this.editorHidden = hidden;
+
+		// The editor and the panel cannot be hidden at the same time
+		if (this.editorHidden && this.panelHidden) {
+			this.setPanelHidden(false, true);
+		}
+
+		if (!skipLayout) {
+			this.layout();
+		}
+	}
+
 	setSideBarHidden(hidden: boolean, skipLayout?: boolean): void {
 		this.sideBarHidden = hidden;
 		this.sideBarVisibleContext.set(!hidden);
@@ -1639,6 +1668,11 @@ export class Workbench extends Disposable implements IPartService {
 			this.storageService.remove(Workbench.panelHiddenStorageKey, StorageScope.WORKSPACE);
 		}
 
+		// The editor and panel cannot be hiddne at the same time
+		if (hidden && this.editorHidden) {
+			this.setEditorHidden(false, true);
+		}
+
 		// Layout
 		if (!skipLayout) {
 			if (this.workbenchGrid instanceof Grid) {

src/vs/workbench/services/part/common/partService.ts

@@ -86,6 +86,12 @@ export interface IPartService {
 	 */
 	getTitleBarOffset(): number;
 
+	/**
+	 *
+	 * Set editor area hidden or not
+	 */
+	setEditorHidden(hidden: boolean): void;
+
 	/**
 	 * Set sidebar hidden or not
 	 */

src/vs/workbench/test/workbenchTestServices.ts

@@ -492,6 +492,8 @@ export class TestPartService implements IPartService {
 		return false;
 	}
 
+	public setEditorHidden(_hidden: boolean): Promise<void> { return Promise.resolve(null); }
+
 	public setSideBarHidden(_hidden: boolean): Promise<void> { return Promise.resolve(null); }
 
 	public isPanelHidden(): boolean {