Toggle Maximized Panel

fixes #7314

src/vs/test/utils/servicesTestUtils.ts

@@ -250,6 +250,8 @@ export class TestPartService implements IPartService {
 
 	public setPanelHidden(hidden: boolean): void { }
 
+	public toggleMaximizedPanel(): void { }
+
 	public getSideBarPosition() {
 		return 0;
 	}

src/vs/workbench/browser/layout.ts

@@ -297,7 +297,7 @@ export class WorkbenchLayout implements IVerticalSashLayoutProvider, IHorizontal
 		};
 	}
 
-	public layout(forceStyleReCompute?: boolean): void {
+	public layout(forceStyleReCompute?: boolean, toggleMaximizedPanel?: boolean): void {
 		if (forceStyleReCompute) {
 			this.computeStyle();
 			this.editor.getLayout().computeStyle();
@@ -338,13 +338,17 @@ export class WorkbenchLayout implements IVerticalSashLayoutProvider, IHorizontal
 
 		// Panel part
 		let panelHeight: number;
+		const maxPanelHeight = sidebarSize.height - DEFAULT_MIN_EDITOR_PART_HEIGHT;
 		if (isPanelHidden) {
 			panelHeight = 0;
 		} else if (this.panelHeight > 0) {
-			panelHeight = Math.min(sidebarSize.height - DEFAULT_MIN_EDITOR_PART_HEIGHT, Math.max(this.computedStyles.panel.minHeight, this.panelHeight));
+			panelHeight = Math.min(maxPanelHeight, Math.max(this.computedStyles.panel.minHeight, this.panelHeight));
 		} else {
 			panelHeight = sidebarSize.height * 0.4;
 		}
+		if (toggleMaximizedPanel) {
+			panelHeight = panelHeight === maxPanelHeight ? sidebarSize.height * 0.4 : maxPanelHeight;
+		}
 		const panelDimension = new Dimension(this.workbenchSize.width - sidebarSize.width - activityBarSize.width, panelHeight);
 		this.panelWidth = panelDimension.width;
 

src/vs/workbench/browser/parts/panel/panelPart.ts

@@ -179,6 +179,29 @@ class FocusPanelAction extends Action {
 	}
 }
 
+class ToggleMaximizedPanelAction extends Action {
+
+	public static ID = 'workbench.action.toggleMaximizedPanel';
+	public static LABEL = nls.localize('toggleMaximizedPanel', "Toggle Maximized Panel");
+
+	constructor(
+		id: string,
+		label: string,
+		@IPartService private partService: IPartService
+	) {
+		super(id, label);
+	}
+
+	public run(): TPromise<boolean> {
+		// Show panel
+		this.partService.setPanelHidden(false);
+		this.partService.toggleMaximizedPanel();
+
+		return TPromise.as(true);
+	}
+}
+
 let actionRegistry = <IWorkbenchActionRegistry>Registry.as(WorkbenchExtensions.WorkbenchActions);
 actionRegistry.registerWorkbenchAction(new SyncActionDescriptor(TogglePanelAction, TogglePanelAction.ID, TogglePanelAction.LABEL, { primary: KeyMod.CtrlCmd | KeyCode.KEY_J }), 'View: Toggle Panel Visibility', nls.localize('view', "View"));
 actionRegistry.registerWorkbenchAction(new SyncActionDescriptor(FocusPanelAction, FocusPanelAction.ID, FocusPanelAction.LABEL), 'View: Focus into Panel', nls.localize('view', "View"));
+actionRegistry.registerWorkbenchAction(new SyncActionDescriptor(ToggleMaximizedPanelAction, ToggleMaximizedPanelAction.ID, ToggleMaximizedPanelAction.LABEL), 'View: Toggle Maximized Panel', nls.localize('view', "View"));

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

@@ -613,6 +613,10 @@ export class Workbench implements IPartService {
 		this.storageService.store(Workbench.panelHiddenSettingKey, hidden ? 'true' : 'false', StorageScope.WORKSPACE);
 	}
 
+	public toggleMaximizedPanel(): void {
+		this.workbenchLayout.layout(true, true);
+	}
+
 	public getSideBarPosition(): Position {
 		return this.sideBarPosition;
 	}

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

@@ -80,6 +80,12 @@ export interface IPartService {
 	 */
 	setPanelHidden(hidden: boolean): void;
 
+	/**
+	 * Maximizes the panel height if the panel is not already maximized.
+	 * Shrinks the panel to the default starting size if the panel is maximized.
+	 */
+	toggleMaximizedPanel(): void;
+
 	/**
 	 * Gets the current side bar position. Note that the sidebar can be hidden too.
 	 */