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viewPaneContainer.ts
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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { addDisposableListener, Dimension, DragAndDropObserver, EventType, getWindow, isAncestor } from '../../../../base/browser/dom.js';
import { StandardMouseEvent } from '../../../../base/browser/mouseEvent.js';
import { EventType as TouchEventType, Gesture } from '../../../../base/browser/touch.js';
import { IActionViewItem } from '../../../../base/browser/ui/actionbar/actionbar.js';
import { IBoundarySashes, Orientation } from '../../../../base/browser/ui/sash/sash.js';
import { IPaneViewOptions, PaneView } from '../../../../base/browser/ui/splitview/paneview.js';
import { IAction } from '../../../../base/common/actions.js';
import { RunOnceScheduler } from '../../../../base/common/async.js';
import { Emitter, Event } from '../../../../base/common/event.js';
import { KeyChord, KeyCode, KeyMod } from '../../../../base/common/keyCodes.js';
import { combinedDisposable, DisposableStore, IDisposable, toDisposable } from '../../../../base/common/lifecycle.js';
import { assertIsDefined } from '../../../../base/common/types.js';
import './media/paneviewlet.css';
import * as nls from '../../../../nls.js';
import { createActionViewItem } from '../../../../platform/actions/browser/menuEntryActionViewItem.js';
import { Action2, IAction2Options, IMenuService, ISubmenuItem, MenuId, MenuRegistry, registerAction2 } from '../../../../platform/actions/common/actions.js';
import { IConfigurationService } from '../../../../platform/configuration/common/configuration.js';
import { IContextKeyService } from '../../../../platform/contextkey/common/contextkey.js';
import { IContextMenuService } from '../../../../platform/contextview/browser/contextView.js';
import { IInstantiationService, ServicesAccessor } from '../../../../platform/instantiation/common/instantiation.js';
import { KeybindingWeight } from '../../../../platform/keybinding/common/keybindingsRegistry.js';
import { IStorageService, StorageScope, StorageTarget } from '../../../../platform/storage/common/storage.js';
import { ITelemetryService } from '../../../../platform/telemetry/common/telemetry.js';
import { activeContrastBorder, asCssVariable } from '../../../../platform/theme/common/colorRegistry.js';
import { IThemeService, Themable } from '../../../../platform/theme/common/themeService.js';
import { IWorkspaceContextService } from '../../../../platform/workspace/common/workspace.js';
import { CompositeMenuActions } from '../../actions.js';
import { CompositeDragAndDropObserver, toggleDropEffect } from '../../dnd.js';
import { ViewPane } from './viewPane.js';
import { IViewletViewOptions } from './viewsViewlet.js';
import { Component } from '../../../common/component.js';
import { PANEL_SECTION_BORDER, PANEL_SECTION_DRAG_AND_DROP_BACKGROUND, PANEL_SECTION_HEADER_BACKGROUND, PANEL_SECTION_HEADER_BORDER, PANEL_SECTION_HEADER_FOREGROUND, SIDE_BAR_DRAG_AND_DROP_BACKGROUND, SIDE_BAR_SECTION_HEADER_BACKGROUND, SIDE_BAR_SECTION_HEADER_BORDER, SIDE_BAR_SECTION_HEADER_FOREGROUND } from '../../../common/theme.js';
import { IAddedViewDescriptorRef, ICustomViewDescriptor, IView, IViewContainerModel, IViewDescriptor, IViewDescriptorRef, IViewDescriptorService, IViewPaneContainer, ViewContainer, ViewContainerLocation, ViewContainerLocationToString, ViewVisibilityState } from '../../../common/views.js';
import { IViewsService } from '../../../services/views/common/viewsService.js';
import { FocusedViewContext } from '../../../common/contextkeys.js';
import { IExtensionService } from '../../../services/extensions/common/extensions.js';
import { isHorizontal, IWorkbenchLayoutService, LayoutSettings } from '../../../services/layout/browser/layoutService.js';
import { IBaseActionViewItemOptions } from '../../../../base/browser/ui/actionbar/actionViewItems.js';
import { ILogService } from '../../../../platform/log/common/log.js';
export const ViewsSubMenu = new MenuId('Views');
MenuRegistry.appendMenuItem(MenuId.ViewContainerTitle, {
submenu: ViewsSubMenu,
title: nls.localize('views', "Views"),
order: 1,
} satisfies ISubmenuItem);
export interface IViewPaneContainerOptions extends IPaneViewOptions {
mergeViewWithContainerWhenSingleView: boolean;
}
interface IViewPaneItem {
pane: ViewPane;
disposable: IDisposable;
}
const enum DropDirection {
UP,
DOWN,
LEFT,
RIGHT
}
type BoundingRect = { top: number; left: number; bottom: number; right: number };
class ViewPaneDropOverlay extends Themable {
private static readonly OVERLAY_ID = 'monaco-pane-drop-overlay';
private container!: HTMLElement;
private overlay!: HTMLElement;
private _currentDropOperation: DropDirection | undefined;
// private currentDropOperation: IDropOperation | undefined;
private _disposed: boolean | undefined;
private cleanupOverlayScheduler: RunOnceScheduler;
get currentDropOperation(): DropDirection | undefined {
return this._currentDropOperation;
}
constructor(
private paneElement: HTMLElement,
private orientation: Orientation | undefined,
private bounds: BoundingRect | undefined,
protected location: ViewContainerLocation,
themeService: IThemeService,
) {
super(themeService);
this.cleanupOverlayScheduler = this._register(new RunOnceScheduler(() => this.dispose(), 300));
this.create();
}
get disposed(): boolean {
return !!this._disposed;
}
private create(): void {
// Container
this.container = document.createElement('div');
this.container.id = ViewPaneDropOverlay.OVERLAY_ID;
this.container.style.top = '0px';
// Parent
this.paneElement.appendChild(this.container);
this.paneElement.classList.add('dragged-over');
this._register(toDisposable(() => {
this.container.remove();
this.paneElement.classList.remove('dragged-over');
}));
// Overlay
this.overlay = document.createElement('div');
this.overlay.classList.add('pane-overlay-indicator');
this.container.appendChild(this.overlay);
// Overlay Event Handling
this.registerListeners();
// Styles
this.updateStyles();
}
override updateStyles(): void {
// Overlay drop background
this.overlay.style.backgroundColor = this.getColor(this.location === ViewContainerLocation.Panel ? PANEL_SECTION_DRAG_AND_DROP_BACKGROUND : SIDE_BAR_DRAG_AND_DROP_BACKGROUND) || '';
// Overlay contrast border (if any)
const activeContrastBorderColor = this.getColor(activeContrastBorder);
this.overlay.style.outlineColor = activeContrastBorderColor || '';
this.overlay.style.outlineOffset = activeContrastBorderColor ? '-2px' : '';
this.overlay.style.outlineStyle = activeContrastBorderColor ? 'dashed' : '';
this.overlay.style.outlineWidth = activeContrastBorderColor ? '2px' : '';
this.overlay.style.borderColor = activeContrastBorderColor || '';
this.overlay.style.borderStyle = 'solid';
this.overlay.style.borderWidth = '0px';
}
private registerListeners(): void {
this._register(new DragAndDropObserver(this.container, {
onDragOver: e => {
// Position overlay
this.positionOverlay(e.offsetX, e.offsetY);
// Make sure to stop any running cleanup scheduler to remove the overlay
if (this.cleanupOverlayScheduler.isScheduled()) {
this.cleanupOverlayScheduler.cancel();
}
},
onDragLeave: e => this.dispose(),
onDragEnd: e => this.dispose(),
onDrop: e => {
// Dispose overlay
this.dispose();
}
}));
this._register(addDisposableListener(this.container, EventType.MOUSE_OVER, () => {
// Under some circumstances we have seen reports where the drop overlay is not being
// cleaned up and as such the editor area remains under the overlay so that you cannot
// type into the editor anymore. This seems related to using VMs and DND via host and
// guest OS, though some users also saw it without VMs.
// To protect against this issue we always destroy the overlay as soon as we detect a
// mouse event over it. The delay is used to guarantee we are not interfering with the
// actual DROP event that can also trigger a mouse over event.
if (!this.cleanupOverlayScheduler.isScheduled()) {
this.cleanupOverlayScheduler.schedule();
}
}));
}
private positionOverlay(mousePosX: number, mousePosY: number): void {
const paneWidth = this.paneElement.clientWidth;
const paneHeight = this.paneElement.clientHeight;
const splitWidthThreshold = paneWidth / 2;
const splitHeightThreshold = paneHeight / 2;
let dropDirection: DropDirection | undefined;
if (this.orientation === Orientation.VERTICAL) {
if (mousePosY < splitHeightThreshold) {
dropDirection = DropDirection.UP;
} else if (mousePosY >= splitHeightThreshold) {
dropDirection = DropDirection.DOWN;
}
} else if (this.orientation === Orientation.HORIZONTAL) {
if (mousePosX < splitWidthThreshold) {
dropDirection = DropDirection.LEFT;
} else if (mousePosX >= splitWidthThreshold) {
dropDirection = DropDirection.RIGHT;
}
}
// Draw overlay based on split direction
switch (dropDirection) {
case DropDirection.UP:
this.doPositionOverlay({ top: '0', left: '0', width: '100%', height: '50%' });
break;
case DropDirection.DOWN:
this.doPositionOverlay({ bottom: '0', left: '0', width: '100%', height: '50%' });
break;
case DropDirection.LEFT:
this.doPositionOverlay({ top: '0', left: '0', width: '50%', height: '100%' });
break;
case DropDirection.RIGHT:
this.doPositionOverlay({ top: '0', right: '0', width: '50%', height: '100%' });
break;
default: {
// const top = this.bounds?.top || 0;
// const left = this.bounds?.bottom || 0;
let top = '0';
let left = '0';
let width = '100%';
let height = '100%';
if (this.bounds) {
const boundingRect = this.container.getBoundingClientRect();
top = `${this.bounds.top - boundingRect.top}px`;
left = `${this.bounds.left - boundingRect.left}px`;
height = `${this.bounds.bottom - this.bounds.top}px`;
width = `${this.bounds.right - this.bounds.left}px`;
}
this.doPositionOverlay({ top, left, width, height });
}
}
if ((this.orientation === Orientation.VERTICAL && paneHeight <= 25) ||
(this.orientation === Orientation.HORIZONTAL && paneWidth <= 25)) {
this.doUpdateOverlayBorder(dropDirection);
} else {
this.doUpdateOverlayBorder(undefined);
}
// Make sure the overlay is visible now
this.overlay.style.opacity = '1';
// Enable transition after a timeout to prevent initial animation
setTimeout(() => this.overlay.classList.add('overlay-move-transition'), 0);
// Remember as current split direction
this._currentDropOperation = dropDirection;
}
private doUpdateOverlayBorder(direction: DropDirection | undefined): void {
this.overlay.style.borderTopWidth = direction === DropDirection.UP ? '2px' : '0px';
this.overlay.style.borderLeftWidth = direction === DropDirection.LEFT ? '2px' : '0px';
this.overlay.style.borderBottomWidth = direction === DropDirection.DOWN ? '2px' : '0px';
this.overlay.style.borderRightWidth = direction === DropDirection.RIGHT ? '2px' : '0px';
}
private doPositionOverlay(options: { top?: string; bottom?: string; left?: string; right?: string; width: string; height: string }): void {
// Container
this.container.style.height = '100%';
// Overlay
this.overlay.style.top = options.top || '';
this.overlay.style.left = options.left || '';
this.overlay.style.bottom = options.bottom || '';
this.overlay.style.right = options.right || '';
this.overlay.style.width = options.width;
this.overlay.style.height = options.height;
}
contains(element: HTMLElement): boolean {
return element === this.container || element === this.overlay;
}
override dispose(): void {
super.dispose();
this._disposed = true;
}
}
class ViewContainerMenuActions extends CompositeMenuActions {
constructor(
element: HTMLElement,
viewContainer: ViewContainer,
@IViewDescriptorService viewDescriptorService: IViewDescriptorService,
@IContextKeyService contextKeyService: IContextKeyService,
@IMenuService menuService: IMenuService,
) {
const scopedContextKeyService = contextKeyService.createScoped(element);
scopedContextKeyService.createKey('viewContainer', viewContainer.id);
const viewContainerLocationKey = scopedContextKeyService.createKey('viewContainerLocation', ViewContainerLocationToString(viewDescriptorService.getViewContainerLocation(viewContainer)!));
super(MenuId.ViewContainerTitle, MenuId.ViewContainerTitleContext, { shouldForwardArgs: true, renderShortTitle: true }, scopedContextKeyService, menuService);
this._register(scopedContextKeyService);
this._register(Event.filter(viewDescriptorService.onDidChangeContainerLocation, e => e.viewContainer === viewContainer)(() => viewContainerLocationKey.set(ViewContainerLocationToString(viewDescriptorService.getViewContainerLocation(viewContainer)!))));
}
}
export class ViewPaneContainer extends Component implements IViewPaneContainer {
readonly viewContainer: ViewContainer;
private lastFocusedPane: ViewPane | undefined;
private lastMergedCollapsedPane: ViewPane | undefined;
private paneItems: IViewPaneItem[] = [];
private paneview?: PaneView;
private visible: boolean = false;
private areExtensionsReady: boolean = false;
private didLayout = false;
private dimension: Dimension | undefined;
private _boundarySashes: IBoundarySashes | undefined;
private readonly visibleViewsCountFromCache: number | undefined;
private readonly visibleViewsStorageId: string;
protected readonly viewContainerModel: IViewContainerModel;
private readonly _onTitleAreaUpdate: Emitter<void> = this._register(new Emitter<void>());
readonly onTitleAreaUpdate: Event<void> = this._onTitleAreaUpdate.event;
private readonly _onDidChangeVisibility = this._register(new Emitter<boolean>());
readonly onDidChangeVisibility = this._onDidChangeVisibility.event;
private readonly _onDidAddViews = this._register(new Emitter<IView[]>());
readonly onDidAddViews = this._onDidAddViews.event;
private readonly _onDidRemoveViews = this._register(new Emitter<IView[]>());
readonly onDidRemoveViews = this._onDidRemoveViews.event;
private readonly _onDidChangeViewVisibility = this._register(new Emitter<IView>());
readonly onDidChangeViewVisibility = this._onDidChangeViewVisibility.event;
private readonly _onDidFocusView = this._register(new Emitter<IView>());
readonly onDidFocusView = this._onDidFocusView.event;
private readonly _onDidBlurView = this._register(new Emitter<IView>());
readonly onDidBlurView = this._onDidBlurView.event;
get onDidSashChange(): Event<number> {
return assertIsDefined(this.paneview).onDidSashChange;
}
get panes(): ViewPane[] {
return this.paneItems.map(i => i.pane);
}
get views(): IView[] {
return this.panes;
}
get length(): number {
return this.paneItems.length;
}
private _menuActions?: ViewContainerMenuActions;
get menuActions(): CompositeMenuActions | undefined {
return this._menuActions;
}
constructor(
id: string,
private options: IViewPaneContainerOptions,
@IInstantiationService protected instantiationService: IInstantiationService,
@IConfigurationService protected configurationService: IConfigurationService,
@IWorkbenchLayoutService protected layoutService: IWorkbenchLayoutService,
@IContextMenuService protected contextMenuService: IContextMenuService,
@ITelemetryService protected telemetryService: ITelemetryService,
@IExtensionService protected extensionService: IExtensionService,
@IThemeService themeService: IThemeService,
@IStorageService protected storageService: IStorageService,
@IWorkspaceContextService protected contextService: IWorkspaceContextService,
@IViewDescriptorService protected viewDescriptorService: IViewDescriptorService,
@ILogService protected readonly logService: ILogService,
) {
super(id, themeService, storageService);
const container = this.viewDescriptorService.getViewContainerById(id);
if (!container) {
throw new Error('Could not find container');
}
this.viewContainer = container;
this.visibleViewsStorageId = `${id}.numberOfVisibleViews`;
this.visibleViewsCountFromCache = this.storageService.getNumber(this.visibleViewsStorageId, StorageScope.WORKSPACE, undefined);
this.viewContainerModel = this.viewDescriptorService.getViewContainerModel(container);
}
create(parent: HTMLElement): void {
const options = this.options as IPaneViewOptions;
options.orientation = this.orientation;
this.paneview = this._register(new PaneView(parent, this.options));
if (this._boundarySashes) {
this.paneview.setBoundarySashes(this._boundarySashes);
}
this._register(this.paneview.onDidDrop(({ from, to }) => this.movePane(from as ViewPane, to as ViewPane)));
this._register(this.paneview.onDidScroll(_ => this.onDidScrollPane()));
this._register(this.paneview.onDidSashReset((index) => this.onDidSashReset(index)));
this._register(addDisposableListener(parent, EventType.CONTEXT_MENU, (e: MouseEvent) => this.showContextMenu(new StandardMouseEvent(getWindow(parent), e))));
this._register(Gesture.addTarget(parent));
this._register(addDisposableListener(parent, TouchEventType.Contextmenu, (e: MouseEvent) => this.showContextMenu(new StandardMouseEvent(getWindow(parent), e))));
this._menuActions = this._register(this.instantiationService.createInstance(ViewContainerMenuActions, this.paneview.element, this.viewContainer));
this._register(this._menuActions.onDidChange(() => this.updateTitleArea()));
let overlay: ViewPaneDropOverlay | undefined;
const getOverlayBounds: () => BoundingRect = () => {
const fullSize = parent.getBoundingClientRect();
const lastPane = this.panes[this.panes.length - 1].element.getBoundingClientRect();
const top = this.orientation === Orientation.VERTICAL ? lastPane.bottom : fullSize.top;
const left = this.orientation === Orientation.HORIZONTAL ? lastPane.right : fullSize.left;
return {
top,
bottom: fullSize.bottom,
left,
right: fullSize.right,
};
};
const inBounds = (bounds: BoundingRect, pos: { x: number; y: number }) => {
return pos.x >= bounds.left && pos.x <= bounds.right && pos.y >= bounds.top && pos.y <= bounds.bottom;
};
let bounds: BoundingRect;
this._register(CompositeDragAndDropObserver.INSTANCE.registerTarget(parent, {
onDragEnter: (e) => {
bounds = getOverlayBounds();
if (overlay && overlay.disposed) {
overlay = undefined;
}
if (!overlay && inBounds(bounds, e.eventData)) {
const dropData = e.dragAndDropData.getData();
if (dropData.type === 'view') {
const oldViewContainer = this.viewDescriptorService.getViewContainerByViewId(dropData.id);
const viewDescriptor = this.viewDescriptorService.getViewDescriptorById(dropData.id);
if (oldViewContainer !== this.viewContainer && (!viewDescriptor || !viewDescriptor.canMoveView || this.viewContainer.rejectAddedViews)) {
return;
}
overlay = new ViewPaneDropOverlay(parent, undefined, bounds, this.viewDescriptorService.getViewContainerLocation(this.viewContainer)!, this.themeService);
}
if (dropData.type === 'composite' && dropData.id !== this.viewContainer.id) {
const container = this.viewDescriptorService.getViewContainerById(dropData.id)!;
const viewsToMove = this.viewDescriptorService.getViewContainerModel(container).allViewDescriptors;
if (!viewsToMove.some(v => !v.canMoveView) && viewsToMove.length > 0) {
overlay = new ViewPaneDropOverlay(parent, undefined, bounds, this.viewDescriptorService.getViewContainerLocation(this.viewContainer)!, this.themeService);
}
}
}
},
onDragOver: (e) => {
if (overlay && overlay.disposed) {
overlay = undefined;
}
if (overlay && !inBounds(bounds, e.eventData)) {
overlay.dispose();
overlay = undefined;
}
if (inBounds(bounds, e.eventData)) {
toggleDropEffect(e.eventData.dataTransfer, 'move', overlay !== undefined);
}
},
onDragLeave: (e) => {
overlay?.dispose();
overlay = undefined;
},
onDrop: (e) => {
if (overlay) {
const dropData = e.dragAndDropData.getData();
const viewsToMove: IViewDescriptor[] = [];
if (dropData.type === 'composite' && dropData.id !== this.viewContainer.id) {
const container = this.viewDescriptorService.getViewContainerById(dropData.id)!;
const allViews = this.viewDescriptorService.getViewContainerModel(container).allViewDescriptors;
if (!allViews.some(v => !v.canMoveView)) {
viewsToMove.push(...allViews);
}
} else if (dropData.type === 'view') {
const oldViewContainer = this.viewDescriptorService.getViewContainerByViewId(dropData.id);
const viewDescriptor = this.viewDescriptorService.getViewDescriptorById(dropData.id);
if (oldViewContainer !== this.viewContainer && viewDescriptor && viewDescriptor.canMoveView) {
this.viewDescriptorService.moveViewsToContainer([viewDescriptor], this.viewContainer, undefined, 'dnd');
}
}
const paneCount = this.panes.length;
if (viewsToMove.length > 0) {
this.viewDescriptorService.moveViewsToContainer(viewsToMove, this.viewContainer, undefined, 'dnd');
}
if (paneCount > 0) {
for (const view of viewsToMove) {
const paneToMove = this.panes.find(p => p.id === view.id);
if (paneToMove) {
this.movePane(paneToMove, this.panes[this.panes.length - 1]);
}
}
}
}
overlay?.dispose();
overlay = undefined;
}
}));
this._register(this.onDidSashChange(() => this.saveViewSizes()));
this._register(this.viewContainerModel.onDidAddVisibleViewDescriptors(added => this.onDidAddViewDescriptors(added)));
this._register(this.viewContainerModel.onDidRemoveVisibleViewDescriptors(removed => this.onDidRemoveViewDescriptors(removed)));
const addedViews: IAddedViewDescriptorRef[] = this.viewContainerModel.visibleViewDescriptors.map((viewDescriptor, index) => {
const size = this.viewContainerModel.getSize(viewDescriptor.id);
const collapsed = this.viewContainerModel.isCollapsed(viewDescriptor.id);
return ({ viewDescriptor, index, size, collapsed });
});
if (addedViews.length) {
this.onDidAddViewDescriptors(addedViews);
}
// Update headers after and title contributed views after available, since we read from cache in the beginning to know if the viewlet has single view or not. Ref #29609
this.extensionService.whenInstalledExtensionsRegistered().then(() => {
this.areExtensionsReady = true;
if (this.panes.length) {
this.updateTitleArea();
this.updateViewHeaders();
}
this._register(this.configurationService.onDidChangeConfiguration(e => {
if (e.affectsConfiguration(LayoutSettings.ACTIVITY_BAR_LOCATION)) {
this.updateViewHeaders();
}
}));
});
this._register(this.viewContainerModel.onDidChangeActiveViewDescriptors(() => this._onTitleAreaUpdate.fire()));
}
getTitle(): string {
const containerTitle = this.viewContainerModel.title;
if (this.isViewMergedWithContainer()) {
const singleViewPaneContainerTitle = this.paneItems[0].pane.singleViewPaneContainerTitle;
if (singleViewPaneContainerTitle) {
return singleViewPaneContainerTitle;
}
const paneItemTitle = this.paneItems[0].pane.title;
if (containerTitle === paneItemTitle) {
return paneItemTitle;
}
return paneItemTitle ? `${containerTitle}: ${paneItemTitle}` : containerTitle;
}
return containerTitle;
}
private showContextMenu(event: StandardMouseEvent): void {
for (const paneItem of this.paneItems) {
// Do not show context menu if target is coming from inside pane views
if (isAncestor(event.target, paneItem.pane.element)) {
return;
}
}
event.stopPropagation();
event.preventDefault();
this.contextMenuService.showContextMenu({
getAnchor: () => event,
getActions: () => this.menuActions?.getContextMenuActions() ?? []
});
}
getActionsContext(): unknown {
if (this.isViewMergedWithContainer()) {
return this.panes[0].getActionsContext();
}
return undefined;
}
getActionViewItem(action: IAction, options: IBaseActionViewItemOptions): IActionViewItem | undefined {
if (this.isViewMergedWithContainer()) {
return this.paneItems[0].pane.getActionViewItem(action, options);
}
return createActionViewItem(this.instantiationService, action, options);
}
focus(): void {
let paneToFocus: ViewPane | undefined = undefined;
if (this.lastFocusedPane) {
paneToFocus = this.lastFocusedPane;
} else if (this.paneItems.length > 0) {
for (const { pane } of this.paneItems) {
if (pane.isExpanded()) {
paneToFocus = pane;
break;
}
}
}
if (paneToFocus) {
paneToFocus.focus();
}
}
private get orientation(): Orientation {
switch (this.viewDescriptorService.getViewContainerLocation(this.viewContainer)) {
case ViewContainerLocation.Sidebar:
case ViewContainerLocation.AuxiliaryBar:
return Orientation.VERTICAL;
case ViewContainerLocation.Panel: {
return isHorizontal(this.layoutService.getPanelPosition()) ? Orientation.HORIZONTAL : Orientation.VERTICAL;
}
}
return Orientation.VERTICAL;
}
layout(dimension: Dimension): void {
if (this.paneview) {
if (this.paneview.orientation !== this.orientation) {
this.paneview.flipOrientation(dimension.height, dimension.width);
}
this.paneview.layout(dimension.height, dimension.width);
}
this.dimension = dimension;
if (this.didLayout) {
this.saveViewSizes();
} else {
this.didLayout = true;
this.restoreViewSizes();
}
}
setBoundarySashes(sashes: IBoundarySashes): void {
this._boundarySashes = sashes;
this.paneview?.setBoundarySashes(sashes);
}
getOptimalWidth(): number {
const additionalMargin = 16;
const optimalWidth = Math.max(...this.panes.map(view => view.getOptimalWidth() || 0));
return optimalWidth + additionalMargin;
}
addPanes(panes: { pane: ViewPane; size: number; index?: number; disposable: IDisposable }[]): void {
const wasMerged = this.isViewMergedWithContainer();
for (const { pane, size, index, disposable } of panes) {
this.addPane(pane, size, disposable, index);
}
this.updateViewHeaders();
if (this.isViewMergedWithContainer() !== wasMerged) {
this.updateTitleArea();
}
this._onDidAddViews.fire(panes.map(({ pane }) => pane));
}
setVisible(visible: boolean): void {
if (this.visible !== !!visible) {
this.visible = visible;
this._onDidChangeVisibility.fire(visible);
}
this.panes.filter(view => view.isVisible() !== visible)
.map((view) => view.setVisible(visible));
}
isVisible(): boolean {
return this.visible;
}
protected updateTitleArea(): void {
this._onTitleAreaUpdate.fire();
}
protected createView(viewDescriptor: IViewDescriptor, options: IViewletViewOptions): ViewPane {
return (this.instantiationService as any).createInstance(viewDescriptor.ctorDescriptor.ctor, ...(viewDescriptor.ctorDescriptor.staticArguments || []), options) as ViewPane;
}
getView(id: string): ViewPane | undefined {
return this.panes.filter(view => view.id === id)[0];
}
private saveViewSizes(): void {
// Save size only when the layout has happened
if (this.didLayout) {
this.viewContainerModel.setSizes(this.panes.map(view => ({ id: view.id, size: this.getPaneSize(view) })));
}
}
private restoreViewSizes(): void {
// Restore sizes only when the layout has happened
if (this.didLayout) {
let initialSizes;
for (let i = 0; i < this.viewContainerModel.visibleViewDescriptors.length; i++) {
const pane = this.panes[i];
const viewDescriptor = this.viewContainerModel.visibleViewDescriptors[i];
const size = this.viewContainerModel.getSize(viewDescriptor.id);
if (typeof size === 'number') {
this.resizePane(pane, size);
} else {
initialSizes = initialSizes ? initialSizes : this.computeInitialSizes();
this.resizePane(pane, initialSizes.get(pane.id) || 200);
}
}
}
}
private computeInitialSizes(): Map<string, number> {
const sizes: Map<string, number> = new Map<string, number>();
if (this.dimension) {
const totalWeight = this.viewContainerModel.visibleViewDescriptors.reduce((totalWeight, { weight }) => totalWeight + (weight || 20), 0);
for (const viewDescriptor of this.viewContainerModel.visibleViewDescriptors) {
if (this.orientation === Orientation.VERTICAL) {
sizes.set(viewDescriptor.id, this.dimension.height * (viewDescriptor.weight || 20) / totalWeight);
} else {
sizes.set(viewDescriptor.id, this.dimension.width * (viewDescriptor.weight || 20) / totalWeight);
}
}
}
return sizes;
}
protected override saveState(): void {
this.panes.forEach((view) => view.saveState());
this.storageService.store(this.visibleViewsStorageId, this.length, StorageScope.WORKSPACE, StorageTarget.MACHINE);
}
private onContextMenu(event: StandardMouseEvent, viewPane: ViewPane): void {
event.stopPropagation();
event.preventDefault();
const actions: IAction[] = viewPane.menuActions.getContextMenuActions();
this.contextMenuService.showContextMenu({
getAnchor: () => event,
getActions: () => actions
});
}
openView(id: string, focus?: boolean): IView | undefined {
let view = this.getView(id);
if (!view) {
this.toggleViewVisibility(id);
}
view = this.getView(id);
if (view) {
view.setExpanded(true);
if (focus) {
view.focus();
}
}
return view;
}
protected onDidAddViewDescriptors(added: IAddedViewDescriptorRef[]): ViewPane[] {
const panesToAdd: { pane: ViewPane; size: number; index: number; disposable: IDisposable }[] = [];
for (const { viewDescriptor, collapsed, index, size } of added) {
const pane = this.createView(viewDescriptor,
{
id: viewDescriptor.id,
title: viewDescriptor.name.value,
fromExtensionId: (viewDescriptor as Partial<ICustomViewDescriptor>).extensionId,
expanded: !collapsed,
singleViewPaneContainerTitle: viewDescriptor.singleViewPaneContainerTitle,
});
try {
pane.render();
} catch (error) {
this.logService.error(`Fail to render view ${viewDescriptor.id}`, error);
continue;
}
const contextMenuDisposable = addDisposableListener(pane.draggableElement, 'contextmenu', e => {
e.stopPropagation();
e.preventDefault();
this.onContextMenu(new StandardMouseEvent(getWindow(pane.draggableElement), e), pane);
});
const collapseDisposable = Event.latch(Event.map(pane.onDidChange, () => !pane.isExpanded()))(collapsed => {
this.viewContainerModel.setCollapsed(viewDescriptor.id, collapsed);
});
panesToAdd.push({ pane, size: size || pane.minimumSize, index, disposable: combinedDisposable(contextMenuDisposable, collapseDisposable) });
}
this.addPanes(panesToAdd);
this.restoreViewSizes();
const panes: ViewPane[] = [];
for (const { pane } of panesToAdd) {
pane.setVisible(this.isVisible());
panes.push(pane);
}
return panes;
}
private onDidRemoveViewDescriptors(removed: IViewDescriptorRef[]): void {
removed = removed.sort((a, b) => b.index - a.index);
const panesToRemove: ViewPane[] = [];
for (const { index } of removed) {
const paneItem = this.paneItems[index];
if (paneItem) {
panesToRemove.push(this.paneItems[index].pane);
}
}
if (panesToRemove.length) {
this.removePanes(panesToRemove);
for (const pane of panesToRemove) {
pane.setVisible(false);
}
}
}
toggleViewVisibility(viewId: string): void {
// Check if view is active
if (this.viewContainerModel.activeViewDescriptors.some(viewDescriptor => viewDescriptor.id === viewId)) {
const visible = !this.viewContainerModel.isVisible(viewId);
this.viewContainerModel.setVisible(viewId, visible);
}
}
private addPane(pane: ViewPane, size: number, disposable: IDisposable, index = this.paneItems.length - 1): void {
const onDidFocus = pane.onDidFocus(() => {
this._onDidFocusView.fire(pane);
this.lastFocusedPane = pane;
});
const onDidBlur = pane.onDidBlur(() => this._onDidBlurView.fire(pane));
const onDidChangeTitleArea = pane.onDidChangeTitleArea(() => {
if (this.isViewMergedWithContainer()) {
this.updateTitleArea();
}
});
const onDidChangeVisibility = pane.onDidChangeBodyVisibility(() => this._onDidChangeViewVisibility.fire(pane));
const onDidChange = pane.onDidChange(() => {
if (pane === this.lastFocusedPane && !pane.isExpanded()) {
this.lastFocusedPane = undefined;
}
});
const isPanel = this.viewDescriptorService.getViewContainerLocation(this.viewContainer) === ViewContainerLocation.Panel;
pane.style({
headerForeground: asCssVariable(isPanel ? PANEL_SECTION_HEADER_FOREGROUND : SIDE_BAR_SECTION_HEADER_FOREGROUND),
headerBackground: asCssVariable(isPanel ? PANEL_SECTION_HEADER_BACKGROUND : SIDE_BAR_SECTION_HEADER_BACKGROUND),
headerBorder: asCssVariable(isPanel ? PANEL_SECTION_HEADER_BORDER : SIDE_BAR_SECTION_HEADER_BORDER),
dropBackground: asCssVariable(isPanel ? PANEL_SECTION_DRAG_AND_DROP_BACKGROUND : SIDE_BAR_DRAG_AND_DROP_BACKGROUND),
leftBorder: isPanel ? asCssVariable(PANEL_SECTION_BORDER) : undefined
});
const store = new DisposableStore();
store.add(disposable);
store.add(combinedDisposable(pane, onDidFocus, onDidBlur, onDidChangeTitleArea, onDidChange, onDidChangeVisibility));
const paneItem: IViewPaneItem = { pane, disposable: store };
this.paneItems.splice(index, 0, paneItem);
assertIsDefined(this.paneview).addPane(pane, size, index);
let overlay: ViewPaneDropOverlay | undefined;
store.add(CompositeDragAndDropObserver.INSTANCE.registerDraggable(pane.draggableElement, () => { return { type: 'view', id: pane.id }; }, {}));
store.add(CompositeDragAndDropObserver.INSTANCE.registerTarget(pane.dropTargetElement, {
onDragEnter: (e) => {
if (!overlay) {
const dropData = e.dragAndDropData.getData();
if (dropData.type === 'view' && dropData.id !== pane.id) {
const oldViewContainer = this.viewDescriptorService.getViewContainerByViewId(dropData.id);
const viewDescriptor = this.viewDescriptorService.getViewDescriptorById(dropData.id);
if (oldViewContainer !== this.viewContainer && (!viewDescriptor || !viewDescriptor.canMoveView || this.viewContainer.rejectAddedViews)) {
return;
}
overlay = new ViewPaneDropOverlay(pane.dropTargetElement, this.orientation ?? Orientation.VERTICAL, undefined, this.viewDescriptorService.getViewContainerLocation(this.viewContainer)!, this.themeService);
}
if (dropData.type === 'composite' && dropData.id !== this.viewContainer.id && !this.viewContainer.rejectAddedViews) {
const container = this.viewDescriptorService.getViewContainerById(dropData.id)!;
const viewsToMove = this.viewDescriptorService.getViewContainerModel(container).allViewDescriptors;
if (!viewsToMove.some(v => !v.canMoveView) && viewsToMove.length > 0) {
overlay = new ViewPaneDropOverlay(pane.dropTargetElement, this.orientation ?? Orientation.VERTICAL, undefined, this.viewDescriptorService.getViewContainerLocation(this.viewContainer)!, this.themeService);
}
}
}
},
onDragOver: (e) => {
toggleDropEffect(e.eventData.dataTransfer, 'move', overlay !== undefined);
},
onDragLeave: (e) => {
overlay?.dispose();
overlay = undefined;
},
onDrop: (e) => {
if (overlay) {
const dropData = e.dragAndDropData.getData();
const viewsToMove: IViewDescriptor[] = [];
let anchorView: IViewDescriptor | undefined;
if (dropData.type === 'composite' && dropData.id !== this.viewContainer.id && !this.viewContainer.rejectAddedViews) {
const container = this.viewDescriptorService.getViewContainerById(dropData.id)!;
const allViews = this.viewDescriptorService.getViewContainerModel(container).allViewDescriptors;
if (allViews.length > 0 && !allViews.some(v => !v.canMoveView)) {
viewsToMove.push(...allViews);
anchorView = allViews[0];
}
} else if (dropData.type === 'view') {
const oldViewContainer = this.viewDescriptorService.getViewContainerByViewId(dropData.id);
const viewDescriptor = this.viewDescriptorService.getViewDescriptorById(dropData.id);
if (oldViewContainer !== this.viewContainer && viewDescriptor && viewDescriptor.canMoveView && !this.viewContainer.rejectAddedViews) {
viewsToMove.push(viewDescriptor);
}
if (viewDescriptor) {
anchorView = viewDescriptor;
}
}
if (viewsToMove) {
this.viewDescriptorService.moveViewsToContainer(viewsToMove, this.viewContainer, undefined, 'dnd');
}
if (anchorView) {
if (overlay.currentDropOperation === DropDirection.DOWN ||
overlay.currentDropOperation === DropDirection.RIGHT) {
const fromIndex = this.panes.findIndex(p => p.id === anchorView!.id);
let toIndex = this.panes.findIndex(p => p.id === pane.id);
if (fromIndex >= 0 && toIndex >= 0) {
if (fromIndex > toIndex) {
toIndex++;
}
if (toIndex < this.panes.length && toIndex !== fromIndex) {
this.movePane(this.panes[fromIndex], this.panes[toIndex]);
}
}
}
if (overlay.currentDropOperation === DropDirection.UP ||
overlay.currentDropOperation === DropDirection.LEFT) {
const fromIndex = this.panes.findIndex(p => p.id === anchorView!.id);
let toIndex = this.panes.findIndex(p => p.id === pane.id);
if (fromIndex >= 0 && toIndex >= 0) {
if (fromIndex < toIndex) {
toIndex--;
}
if (toIndex >= 0 && toIndex !== fromIndex) {
this.movePane(this.panes[fromIndex], this.panes[toIndex]);
}
}
}
if (viewsToMove.length > 1) {
viewsToMove.slice(1).forEach(view => {
let toIndex = this.panes.findIndex(p => p.id === anchorView!.id);
const fromIndex = this.panes.findIndex(p => p.id === view.id);
if (fromIndex >= 0 && toIndex >= 0) {
if (fromIndex > toIndex) {
toIndex++;
}