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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 * as dom from 'vs/base/browser/dom';
import { IAnchor } from 'vs/base/browser/ui/contextview/contextview';
import { IListEvent, IListMouseEvent, IListRenderer } from 'vs/base/browser/ui/list/list';
import { List } from 'vs/base/browser/ui/list/listWidget';
import { Action, IAction, Separator } from 'vs/base/common/actions';
import { canceled } from 'vs/base/common/errors';
import { ResolvedKeybinding } from 'vs/base/common/keybindings';
import { Lazy } from 'vs/base/common/lazy';
import { Disposable, dispose, MutableDisposable, IDisposable, DisposableStore } from 'vs/base/common/lifecycle';
import 'vs/css!./media/action';
import { ICodeEditor } from 'vs/editor/browser/editorBrowser';
import { EditorOption } from 'vs/editor/common/config/editorOptions';
import { IPosition, Position } from 'vs/editor/common/core/position';
import { IEditorContribution, ScrollType } from 'vs/editor/common/editorCommon';
import { CodeAction, Command } from 'vs/editor/common/languages';
import { ITextModel } from 'vs/editor/common/model';
import { ILanguageFeaturesService } from 'vs/editor/common/services/languageFeatures';
import { codeActionCommandId, CodeActionItem, CodeActionSet, fixAllCommandId, organizeImportsCommandId, refactorCommandId, sourceActionCommandId } from 'vs/editor/contrib/codeAction/browser/codeAction';
import { CodeActionAutoApply, CodeActionCommandArgs, CodeActionKind, CodeActionTrigger, CodeActionTriggerSource } from 'vs/editor/contrib/codeAction/browser/types';
import { localize } from 'vs/nls';
import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
import { IContextKey, IContextKeyService, RawContextKey } from 'vs/platform/contextkey/common/contextkey';
import { IContextMenuService, IContextViewService } from 'vs/platform/contextview/browser/contextView';
import { IKeybindingService } from 'vs/platform/keybinding/common/keybinding';
import { ResolvedKeybindingItem } from 'vs/platform/keybinding/common/resolvedKeybindingItem';
import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
import { IThemeService } from 'vs/platform/theme/common/themeService';
export const Context = {
Visible: new RawContextKey<boolean>('CodeActionMenuVisible', false, localize('CodeActionMenuVisible', "Whether the code action list widget is visible"))
};
interface CodeActionWidgetDelegate {
onSelectCodeAction: (action: CodeActionItem, trigger: CodeActionTrigger) => Promise<any>;
}
interface ResolveCodeActionKeybinding {
readonly kind: CodeActionKind;
readonly preferred: boolean;
readonly resolvedKeybinding: ResolvedKeybinding;
}
class CodeActionAction extends Action {
constructor(
public readonly action: CodeAction,
callback: () => Promise<void>,
) {
super(action.command ? action.command.id : action.title, stripNewlines(action.title), undefined, !action.disabled, callback);
}
}
function stripNewlines(str: string): string {
return str.replace(/\r\n|\r|\n/g, ' ');
}
export interface CodeActionShowOptions {
readonly includeDisabledActions: boolean;
readonly fromLightbulb?: boolean;
}
export interface ICodeActionMenuItem {
title: string;
detail: string;
action: IAction;
decoratorRight?: string;
isSeparator?: boolean;
isEnabled: boolean;
isDocumentation: boolean;
index: number;
disposables?: IDisposable[];
}
export interface ICodeMenuOptions {
useCustomDrawn?: boolean;
ariaLabel?: string;
ariaDescription?: string;
minBottomMargin?: number;
optionsAsChildren?: boolean;
}
export interface ICodeActionMenuTemplateData {
root: HTMLElement;
text: HTMLElement;
detail: HTMLElement;
decoratorRight: HTMLElement;
disposables: IDisposable[];
}
const TEMPLATE_ID = 'codeActionWidget';
const codeActionLineHeight = 26;
class CodeMenuRenderer implements IListRenderer<ICodeActionMenuItem, ICodeActionMenuTemplateData> {
constructor(
private readonly acceptKeybindings: [string, string],
@IKeybindingService private readonly keybindingService: IKeybindingService,
) { }
get templateId(): string { return TEMPLATE_ID; }
renderTemplate(container: HTMLElement): ICodeActionMenuTemplateData {
const data: ICodeActionMenuTemplateData = Object.create(null);
data.disposables = [];
data.root = container;
data.text = document.createElement('span');
// data.detail = document.createElement('');
container.append(data.text);
// container.append(data.detail);
return data;
}
renderElement(element: ICodeActionMenuItem, index: number, templateData: ICodeActionMenuTemplateData): void {
const data: ICodeActionMenuTemplateData = templateData;
const text = element.title;
// const detail = element.detail;
const isEnabled = element.isEnabled;
const isSeparator = element.isSeparator;
const isDocumentation = element.isDocumentation;
data.text.textContent = text;
// data.detail.textContent = detail;
if (!isEnabled) {
data.root.classList.add('option-disabled');
data.root.style.backgroundColor = 'transparent !important';
} else {
data.root.classList.remove('option-disabled');
}
if (isSeparator) {
data.root.classList.add('separator');
data.root.style.height = '10px';
}
if (!isDocumentation) {
const updateLabel = () => {
const [accept, preview] = this.acceptKeybindings;
data.root.title = localize({ key: 'label', comment: ['placeholders are keybindings, e.g "F2 to Refactor, Shift+F2 to Preview"'] }, "{0} to Rename, {1} to Preview", this.keybindingService.lookupKeybinding(accept)?.getLabel(), this.keybindingService.lookupKeybinding(preview)?.getLabel());
// data.root.title = this.keybindingService.lookupKeybinding(accept)?.getLabel() + ' to Refactor, ' + this.keybindingService.lookupKeybinding(preview)?.getLabel() + ' to Preview';
};
updateLabel();
}
}
disposeTemplate(templateData: ICodeActionMenuTemplateData): void {
templateData.disposables = dispose(templateData.disposables);
}
}
export class CodeActionMenu extends Disposable implements IEditorContribution {
private readonly _showingActions = this._register(new MutableDisposable<CodeActionSet>());
private codeActionList = this._register(new MutableDisposable<List<ICodeActionMenuItem>>());
private options: ICodeActionMenuItem[] = [];
private _visible: boolean = false;
private _ctxMenuWidgetVisible: IContextKey<boolean>;
private viewItems: ICodeActionMenuItem[] = [];
private focusedEnabledItem: number | undefined;
private currSelectedItem: number = 0;
private hasSeperator: boolean = false;
private block?: HTMLElement;
public static readonly documentationID: string = '_documentation';
public static readonly ID: string = 'editor.contrib.codeActionMenu';
public static get(editor: ICodeEditor): CodeActionMenu | null {
return editor.getContribution<CodeActionMenu>(CodeActionMenu.ID);
}
private readonly _keybindingResolver: CodeActionKeybindingResolver;
private listRenderer: CodeMenuRenderer;
constructor(
private readonly _editor: ICodeEditor,
private readonly _delegate: CodeActionWidgetDelegate,
@IContextMenuService private readonly _contextMenuService: IContextMenuService,
@IKeybindingService keybindingService: IKeybindingService,
@ILanguageFeaturesService private readonly _languageFeaturesService: ILanguageFeaturesService,
@ITelemetryService private readonly _telemetryService: ITelemetryService,
@IThemeService _themeService: IThemeService,
@IConfigurationService private readonly _configurationService: IConfigurationService,
@IContextViewService private readonly _contextViewService: IContextViewService,
@IContextKeyService private readonly _contextKeyService: IContextKeyService,
) {
super();
this._keybindingResolver = new CodeActionKeybindingResolver({
getKeybindings: () => keybindingService.getKeybindings()
});
this._ctxMenuWidgetVisible = Context.Visible.bindTo(this._contextKeyService);
this.listRenderer = new CodeMenuRenderer([`onEnterSelectCodeAction`, `onEnterSelectCodeActionWithPreview`], keybindingService);
}
get isVisible(): boolean {
return this._visible;
}
private isCodeActionWidgetEnabled(model: ITextModel): boolean {
return this._configurationService.getValue('editor.experimental.useCustomCodeActionMenu', {
resource: model.uri
});
}
private _onListSelection(e: IListEvent<ICodeActionMenuItem>): void {
if (e.elements.length) {
e.elements.forEach(element => {
if (element.isEnabled) {
element.action.run();
}
});
this.hideCodeActionWidget();
}
}
private _onListHover(e: IListMouseEvent<ICodeActionMenuItem>): void {
if (!e.element) {
this.codeActionList.value?.setFocus([]);
} else {
if (e.element?.isEnabled) {
this.codeActionList.value?.setFocus([e.element.index]);
this.focusedEnabledItem = this.viewItems.indexOf(e.element);
this.currSelectedItem = e.element.index;
}
}
}
private renderCodeActionMenuList(element: HTMLElement, inputArray: IAction[]): IDisposable {
const renderDisposables = new DisposableStore();
const renderMenu = document.createElement('div');
// Render invisible div to block mouse interaction in the rest of the UI
const menuBlock = document.createElement('div');
this.block = element.appendChild(menuBlock);
this.block.classList.add('context-view-block');
this.block.style.position = 'fixed';
this.block.style.cursor = 'initial';
this.block.style.left = '0';
this.block.style.top = '0';
this.block.style.width = '100%';
this.block.style.height = '100%';
this.block.style.zIndex = '-1';
renderDisposables.add(dom.addDisposableListener(this.block, dom.EventType.MOUSE_DOWN, e => e.stopPropagation()));
renderMenu.id = 'codeActionMenuWidget';
renderMenu.classList.add('codeActionMenuWidget');
element.appendChild(renderMenu);
this.codeActionList.value = new List('codeActionWidget', renderMenu, {
getHeight(element) {
if (element.isSeparator) {
return 10;
}
return codeActionLineHeight;
},
getTemplateId(element) {
return 'codeActionWidget';
}
}, [this.listRenderer], { keyboardSupport: false }
);
renderDisposables.add(this.codeActionList.value.onMouseOver(e => this._onListHover(e)));
renderDisposables.add(this.codeActionList.value.onDidChangeFocus(e => this.codeActionList.value?.domFocus()));
renderDisposables.add(this.codeActionList.value.onDidChangeSelection(e => this._onListSelection(e)));
renderDisposables.add(this._editor.onDidLayoutChange(e => this.hideCodeActionWidget()));
// Populating the list widget and tracking enabled options.
inputArray.forEach((item, index) => {
const currIsSeparator = item.class === 'separator';
let isDocumentation = false;
if (item instanceof CodeActionAction) {
isDocumentation = item.action.kind === CodeActionMenu.documentationID;
}
if (currIsSeparator) {
// set to true forever
this.hasSeperator = true;
}
const menuItem = <ICodeActionMenuItem>{ title: item.label, detail: item.tooltip, action: inputArray[index], isEnabled: item.enabled, isSeparator: currIsSeparator, index, isDocumentation };
if (item.enabled) {
this.viewItems.push(menuItem);
}
this.options.push(menuItem);
});
this.codeActionList.value.splice(0, this.codeActionList.value.length, this.options);
const height = this.hasSeperator ? (inputArray.length - 1) * codeActionLineHeight + 10 : inputArray.length * codeActionLineHeight;
renderMenu.style.height = String(height) + 'px';
this.codeActionList.value.layout(height);
// For finding width dynamically (not using resize observer)
const arr: number[] = [];
this.options.forEach((item, index) => {
if (!this.codeActionList.value) {
return;
}
const element = document.getElementById(this.codeActionList.value?.getElementID(index))?.getElementsByTagName('span')[0].offsetWidth;
arr.push(Number(element));
});
// resize observer - can be used in the future since list widget supports dynamic height but not width
const maxWidth = Math.max(...arr);
// 40 is the additional padding for the list widget (20 left, 20 right)
renderMenu.style.width = maxWidth + 52 + 'px';
this.codeActionList.value?.layout(height, maxWidth);
// List selection
if (this.viewItems.length < 1 || this.viewItems.every(item => item.isDocumentation)) {
this.currSelectedItem = 0;
} else {
this.focusedEnabledItem = 0;
this.currSelectedItem = this.viewItems[0].index;
this.codeActionList.value.setFocus([this.currSelectedItem]);
}
// List Focus
this.codeActionList.value.domFocus();
const focusTracker = dom.trackFocus(element);
const blurListener = focusTracker.onDidBlur(() => {
this.hideCodeActionWidget();
// this._contextViewService.hideContextView({ source: this });
});
renderDisposables.add(blurListener);
renderDisposables.add(focusTracker);
this._ctxMenuWidgetVisible.set(true);
return renderDisposables;
}
protected focusPrevious() {
if (typeof this.focusedEnabledItem === 'undefined') {
this.focusedEnabledItem = this.viewItems[0].index;
} else if (this.viewItems.length < 1) {
return false;
}
const startIndex = this.focusedEnabledItem;
let item: ICodeActionMenuItem;
do {
this.focusedEnabledItem = this.focusedEnabledItem - 1;
if (this.focusedEnabledItem < 0) {
this.focusedEnabledItem = this.viewItems.length - 1;
}
item = this.viewItems[this.focusedEnabledItem];
this.codeActionList.value?.setFocus([item.index]);
this.currSelectedItem = item.index;
} while (this.focusedEnabledItem !== startIndex && ((!item.isEnabled) || item.action.id === Separator.ID));
return true;
}
protected focusNext() {
if (typeof this.focusedEnabledItem === 'undefined') {
this.focusedEnabledItem = this.viewItems.length - 1;
} else if (this.viewItems.length < 1) {
return false;
}
const startIndex = this.focusedEnabledItem;
let item: ICodeActionMenuItem;
do {
this.focusedEnabledItem = (this.focusedEnabledItem + 1) % this.viewItems.length;
item = this.viewItems[this.focusedEnabledItem];
this.codeActionList.value?.setFocus([item.index]);
this.currSelectedItem = item.index;
} while (this.focusedEnabledItem !== startIndex && ((!item.isEnabled) || item.action.id === Separator.ID));
return true;
}
public navigateListWithKeysUp() {
this.focusPrevious();
}
public navigateListWithKeysDown() {
this.focusNext();
}
public onEnterSet() {
this.codeActionList.value?.setSelection([this.currSelectedItem]);
}
override dispose() {
super.dispose();
}
hideCodeActionWidget() {
this._ctxMenuWidgetVisible.reset();
this.options = [];
this.viewItems = [];
this.focusedEnabledItem = 0;
this.currSelectedItem = 0;
this.hasSeperator = false;
this._contextViewService.hideContextView({ source: this });
}
codeActionTelemetry(openedFromString: CodeActionTriggerSource, didCancel: boolean, CodeActions: CodeActionSet) {
type ApplyCodeActionEvent = {
codeActionFrom: CodeActionTriggerSource;
validCodeActions: number;
cancelled: boolean;
};
type ApplyCodeEventClassification = {
codeActionFrom: { classification: 'SystemMetaData'; purpose: 'FeatureInsight'; comment: 'The kind of action used to opened the code action.' };
validCodeActions: { classification: 'SystemMetaData'; purpose: 'FeatureInsight'; comment: 'The total number of valid actions that are highlighted and can be used.' };
cancelled: { classification: 'SystemMetaData'; purpose: 'FeatureInsight'; comment: 'The indicator if the menu was selected or cancelled.' };
owner: 'mjbvz';
comment: 'Event used to gain insights into how code actions are being triggered';
};
this._telemetryService.publicLog2<ApplyCodeActionEvent, ApplyCodeEventClassification>('codeAction.applyCodeAction', {
codeActionFrom: openedFromString,
validCodeActions: CodeActions.validActions.length,
cancelled: didCancel,
});
}
public async show(trigger: CodeActionTrigger, codeActions: CodeActionSet, at: IAnchor | IPosition, options: CodeActionShowOptions): Promise<void> {
const model = this._editor.getModel();
if (!model) {
return;
}
const actionsToShow = options.includeDisabledActions ? codeActions.allActions : codeActions.validActions;
if (!actionsToShow.length) {
this._visible = false;
return;
}
if (!this._editor.getDomNode()) {
// cancel when editor went off-dom
this._visible = false;
throw canceled();
}
this._visible = true;
this._showingActions.value = codeActions;
const menuActions = this.getMenuActions(trigger, actionsToShow, codeActions.documentation);
const anchor = Position.isIPosition(at) ? this._toCoords(at) : at || { x: 0, y: 0 };
const resolver = this._keybindingResolver.getResolver();
const useShadowDOM = this._editor.getOption(EditorOption.useShadowDOM);
if (this.isCodeActionWidgetEnabled(model)) {
this._contextViewService.showContextView({
getAnchor: () => anchor,
render: (container: HTMLElement) => this.renderCodeActionMenuList(container, menuActions),
onHide: (didCancel) => {
const openedFromString = (options.fromLightbulb) ? CodeActionTriggerSource.Lightbulb : trigger.triggerAction;
this.codeActionTelemetry(openedFromString, didCancel, codeActions);
this._visible = false;
this._editor.focus();
},
},
this._editor.getDomNode()!, false,
);
} else {
this._contextMenuService.showContextMenu({
domForShadowRoot: useShadowDOM ? this._editor.getDomNode()! : undefined,
getAnchor: () => anchor,
getActions: () => menuActions,
onHide: (didCancel) => {
const openedFromString = (options.fromLightbulb) ? CodeActionTriggerSource.Lightbulb : trigger.triggerAction;
this.codeActionTelemetry(openedFromString, didCancel, codeActions);
this._visible = false;
this._editor.focus();
},
autoSelectFirstItem: true,
getKeyBinding: action => action instanceof CodeActionAction ? resolver(action.action) : undefined,
});
}
}
private getMenuActions(
trigger: CodeActionTrigger,
actionsToShow: readonly CodeActionItem[],
documentation: readonly Command[]
): IAction[] {
const toCodeActionAction = (item: CodeActionItem): CodeActionAction => new CodeActionAction(item.action, () => this._delegate.onSelectCodeAction(item, trigger));
const result: IAction[] = actionsToShow
.map(toCodeActionAction);
const allDocumentation: Command[] = [...documentation];
const model = this._editor.getModel();
if (model && result.length) {
for (const provider of this._languageFeaturesService.codeActionProvider.all(model)) {
if (provider._getAdditionalMenuItems) {
allDocumentation.push(...provider._getAdditionalMenuItems({ trigger: trigger.type, only: trigger.filter?.include?.value }, actionsToShow.map(item => item.action)));
}
}
}
if (allDocumentation.length) {
result.push(new Separator(), ...allDocumentation.map(command => toCodeActionAction(new CodeActionItem({
title: command.title,
command: command,
kind: CodeActionMenu.documentationID
}, undefined))));
}
return result;
}
private _toCoords(position: IPosition): { x: number; y: number } {
if (!this._editor.hasModel()) {
return { x: 0, y: 0 };
}
this._editor.revealPosition(position, ScrollType.Immediate);
this._editor.render();
// Translate to absolute editor position
const cursorCoords = this._editor.getScrolledVisiblePosition(position);
const editorCoords = dom.getDomNodePagePosition(this._editor.getDomNode());
const x = editorCoords.left + cursorCoords.left;
const y = editorCoords.top + cursorCoords.top + cursorCoords.height;
return { x, y };
}
}
export class CodeActionKeybindingResolver {
private static readonly codeActionCommands: readonly string[] = [
refactorCommandId,
codeActionCommandId,
sourceActionCommandId,
organizeImportsCommandId,
fixAllCommandId
];
constructor(
private readonly _keybindingProvider: {
getKeybindings(): readonly ResolvedKeybindingItem[];
},
) { }
public getResolver(): (action: CodeAction) => ResolvedKeybinding | undefined {
// Lazy since we may not actually ever read the value
const allCodeActionBindings = new Lazy<readonly ResolveCodeActionKeybinding[]>(() =>
this._keybindingProvider.getKeybindings()
.filter(item => CodeActionKeybindingResolver.codeActionCommands.indexOf(item.command!) >= 0)
.filter(item => item.resolvedKeybinding)
.map((item): ResolveCodeActionKeybinding => {
// Special case these commands since they come built-in with VS Code and don't use 'commandArgs'
let commandArgs = item.commandArgs;
if (item.command === organizeImportsCommandId) {
commandArgs = { kind: CodeActionKind.SourceOrganizeImports.value };
} else if (item.command === fixAllCommandId) {
commandArgs = { kind: CodeActionKind.SourceFixAll.value };
}
return {
resolvedKeybinding: item.resolvedKeybinding!,
...CodeActionCommandArgs.fromUser(commandArgs, {
kind: CodeActionKind.None,
apply: CodeActionAutoApply.Never
})
};
}));
return (action) => {
if (action.kind) {
const binding = this.bestKeybindingForCodeAction(action, allCodeActionBindings.getValue());
return binding?.resolvedKeybinding;
}
return undefined;
};
}
private bestKeybindingForCodeAction(
action: CodeAction,
candidates: readonly ResolveCodeActionKeybinding[],
): ResolveCodeActionKeybinding | undefined {
if (!action.kind) {
return undefined;
}
const kind = new CodeActionKind(action.kind);
return candidates
.filter(candidate => candidate.kind.contains(kind))
.filter(candidate => {
if (candidate.preferred) {
// If the candidate keybinding only applies to preferred actions, the this action must also be preferred
return action.isPreferred;
}
return true;
})
.reduceRight((currentBest, candidate) => {
if (!currentBest) {
return candidate;
}
// Select the more specific binding
return currentBest.kind.contains(candidate.kind) ? candidate : currentBest;
}, undefined as ResolveCodeActionKeybinding | undefined);
}
}
|