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quickInputList.ts
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quickInputList.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 * as dom from 'vs/base/browser/dom';
import { StandardKeyboardEvent } from 'vs/base/browser/keyboardEvent';
import { ActionBar } from 'vs/base/browser/ui/actionbar/actionbar';
import { AriaRole } from 'vs/base/browser/ui/aria/aria';
import { HoverPosition } from 'vs/base/browser/ui/hover/hoverWidget';
import { IHoverWidget } from 'vs/base/browser/ui/iconLabel/iconHoverDelegate';
import { IconLabel, IIconLabelValueOptions } from 'vs/base/browser/ui/iconLabel/iconLabel';
import { KeybindingLabel } from 'vs/base/browser/ui/keybindingLabel/keybindingLabel';
import { IListRenderer, IListVirtualDelegate } from 'vs/base/browser/ui/list/list';
import { IListAccessibilityProvider, IListOptions, IListStyles, List } from 'vs/base/browser/ui/list/listWidget';
import { IAction } from 'vs/base/common/actions';
import { range } from 'vs/base/common/arrays';
import { ThrottledDelayer } from 'vs/base/common/async';
import { compareAnything } from 'vs/base/common/comparers';
import { memoize } from 'vs/base/common/decorators';
import { isCancellationError } from 'vs/base/common/errors';
import { Emitter, Event } from 'vs/base/common/event';
import { IMatch } from 'vs/base/common/filters';
import { IMarkdownString } from 'vs/base/common/htmlContent';
import { getCodiconAriaLabel, IParsedLabelWithIcons, matchesFuzzyIconAware, parseLabelWithIcons } from 'vs/base/common/iconLabels';
import { KeyCode } from 'vs/base/common/keyCodes';
import { DisposableStore, dispose, IDisposable } from 'vs/base/common/lifecycle';
import * as platform from 'vs/base/common/platform';
import { ltrim } from 'vs/base/common/strings';
import { withNullAsUndefined } from 'vs/base/common/types';
import 'vs/css!./media/quickInput';
import { localize } from 'vs/nls';
import { IQuickInputOptions } from 'vs/platform/quickinput/browser/quickInput';
import { getIconClass } from 'vs/platform/quickinput/browser/quickInputUtils';
import { IQuickPickItem, IQuickPickItemButtonEvent, IQuickPickSeparator, IQuickPickSeparatorButtonEvent, QuickPickItem } from 'vs/platform/quickinput/common/quickInput';
import { Lazy } from 'vs/base/common/lazy';
import { URI } from 'vs/base/common/uri';
import { ColorScheme, isDark } from 'vs/platform/theme/common/theme';
const $ = dom.$;
interface IListElementLazyParts {
readonly saneLabel: string;
readonly saneSortLabel: string;
readonly saneAriaLabel: string;
}
interface IListElement extends IListElementLazyParts {
readonly hasCheckbox: boolean;
readonly index: number;
readonly item?: IQuickPickItem;
readonly saneDescription?: string;
readonly saneDetail?: string;
readonly saneTooltip?: string | IMarkdownString | HTMLElement;
readonly fireButtonTriggered: (event: IQuickPickItemButtonEvent<IQuickPickItem>) => void;
readonly fireSeparatorButtonTriggered: (event: IQuickPickSeparatorButtonEvent) => void;
readonly onChecked: Event<boolean>;
checked: boolean;
hidden: boolean;
element?: HTMLElement;
labelHighlights?: IMatch[];
descriptionHighlights?: IMatch[];
detailHighlights?: IMatch[];
separator?: IQuickPickSeparator;
}
class ListElement implements IListElement {
private readonly _init: Lazy<IListElementLazyParts>;
readonly hasCheckbox: boolean;
readonly index: number;
readonly item?: IQuickPickItem;
readonly saneDescription?: string;
readonly saneDetail?: string;
readonly saneTooltip?: string | IMarkdownString | HTMLElement;
readonly fireButtonTriggered: (event: IQuickPickItemButtonEvent<IQuickPickItem>) => void;
readonly fireSeparatorButtonTriggered: (event: IQuickPickSeparatorButtonEvent) => void;
// state will get updated later
private _checked: boolean = false;
private _hidden: boolean = false;
private _element?: HTMLElement;
private _labelHighlights?: IMatch[];
private _descriptionHighlights?: IMatch[];
private _detailHighlights?: IMatch[];
private _separator?: IQuickPickSeparator;
private readonly _onChecked: Emitter<{ listElement: IListElement; checked: boolean }>;
onChecked: Event<boolean>;
constructor(
mainItem: QuickPickItem,
previous: QuickPickItem | undefined,
index: number,
hasCheckbox: boolean,
fireButtonTriggered: (event: IQuickPickItemButtonEvent<IQuickPickItem>) => void,
fireSeparatorButtonTriggered: (event: IQuickPickSeparatorButtonEvent) => void,
onCheckedEmitter: Emitter<{ listElement: IListElement; checked: boolean }>
) {
this.hasCheckbox = hasCheckbox;
this.index = index;
this.fireButtonTriggered = fireButtonTriggered;
this.fireSeparatorButtonTriggered = fireSeparatorButtonTriggered;
this._onChecked = onCheckedEmitter;
this.onChecked = hasCheckbox
? Event.map(Event.filter<{ listElement: IListElement; checked: boolean }>(this._onChecked.event, e => e.listElement === this), e => e.checked)
: Event.None;
if (mainItem.type === 'separator') {
this._separator = mainItem;
} else {
this.item = mainItem;
if (previous && previous.type === 'separator' && !previous.buttons) {
this._separator = previous;
}
this.saneDescription = this.item.description;
this.saneDetail = this.item.detail;
this._labelHighlights = this.item.highlights?.label;
this._descriptionHighlights = this.item.highlights?.description;
this._detailHighlights = this.item.highlights?.detail;
this.saneTooltip = this.item.tooltip;
}
this._init = new Lazy(() => {
const saneLabel = mainItem.label ?? '';
const saneSortLabel = parseLabelWithIcons(saneLabel).text.trim();
const saneAriaLabel = mainItem.ariaLabel || [saneLabel, this.saneDescription, this.saneDetail]
.map(s => getCodiconAriaLabel(s))
.filter(s => !!s)
.join(', ');
return {
saneLabel,
saneSortLabel,
saneAriaLabel
};
});
}
// #region Lazy Getters
get saneLabel() {
return this._init.value.saneLabel;
}
get saneSortLabel() {
return this._init.value.saneSortLabel;
}
get saneAriaLabel() {
return this._init.value.saneAriaLabel;
}
// #endregion
// #region Getters and Setters
get element() {
return this._element;
}
set element(value: HTMLElement | undefined) {
this._element = value;
}
get hidden() {
return this._hidden;
}
set hidden(value: boolean) {
this._hidden = value;
}
get checked() {
return this._checked;
}
set checked(value: boolean) {
if (value !== this._checked) {
this._checked = value;
this._onChecked.fire({ listElement: this, checked: value });
}
}
get separator() {
return this._separator;
}
set separator(value: IQuickPickSeparator | undefined) {
this._separator = value;
}
get labelHighlights() {
return this._labelHighlights;
}
set labelHighlights(value: IMatch[] | undefined) {
this._labelHighlights = value;
}
get descriptionHighlights() {
return this._descriptionHighlights;
}
set descriptionHighlights(value: IMatch[] | undefined) {
this._descriptionHighlights = value;
}
get detailHighlights() {
return this._detailHighlights;
}
set detailHighlights(value: IMatch[] | undefined) {
this._detailHighlights = value;
}
// #endregion
}
interface IListElementTemplateData {
entry: HTMLDivElement;
checkbox: HTMLInputElement;
icon: HTMLDivElement;
label: IconLabel;
keybinding: KeybindingLabel;
detail: IconLabel;
separator: HTMLDivElement;
actionBar: ActionBar;
element: IListElement;
toDisposeElement: IDisposable[];
toDisposeTemplate: IDisposable[];
}
class ListElementRenderer implements IListRenderer<IListElement, IListElementTemplateData> {
static readonly ID = 'listelement';
constructor(private readonly colorScheme: ColorScheme) { }
get templateId() {
return ListElementRenderer.ID;
}
renderTemplate(container: HTMLElement): IListElementTemplateData {
const data: IListElementTemplateData = Object.create(null);
data.toDisposeElement = [];
data.toDisposeTemplate = [];
data.entry = dom.append(container, $('.quick-input-list-entry'));
// Checkbox
const label = dom.append(data.entry, $('label.quick-input-list-label'));
data.toDisposeTemplate.push(dom.addStandardDisposableListener(label, dom.EventType.CLICK, e => {
if (!data.checkbox.offsetParent) { // If checkbox not visible:
e.preventDefault(); // Prevent toggle of checkbox when it is immediately shown afterwards. #91740
}
}));
data.checkbox = <HTMLInputElement>dom.append(label, $('input.quick-input-list-checkbox'));
data.checkbox.type = 'checkbox';
data.toDisposeTemplate.push(dom.addStandardDisposableListener(data.checkbox, dom.EventType.CHANGE, e => {
data.element.checked = data.checkbox.checked;
}));
// Rows
const rows = dom.append(label, $('.quick-input-list-rows'));
const row1 = dom.append(rows, $('.quick-input-list-row'));
const row2 = dom.append(rows, $('.quick-input-list-row'));
// Label
data.label = new IconLabel(row1, { supportHighlights: true, supportDescriptionHighlights: true, supportIcons: true });
data.icon = <HTMLInputElement>dom.prepend(data.label.element, $('.quick-input-list-icon'));
// Keybinding
const keybindingContainer = dom.append(row1, $('.quick-input-list-entry-keybinding'));
data.keybinding = new KeybindingLabel(keybindingContainer, platform.OS);
// Detail
const detailContainer = dom.append(row2, $('.quick-input-list-label-meta'));
data.detail = new IconLabel(detailContainer, { supportHighlights: true, supportIcons: true });
// Separator
data.separator = dom.append(data.entry, $('.quick-input-list-separator'));
// Actions
data.actionBar = new ActionBar(data.entry);
data.actionBar.domNode.classList.add('quick-input-list-entry-action-bar');
data.toDisposeTemplate.push(data.actionBar);
return data;
}
renderElement(element: IListElement, index: number, data: IListElementTemplateData): void {
data.element = element;
element.element = withNullAsUndefined(data.entry);
const mainItem: QuickPickItem = element.item ? element.item : element.separator!;
data.checkbox.checked = element.checked;
data.toDisposeElement.push(element.onChecked(checked => data.checkbox.checked = checked));
const { labelHighlights, descriptionHighlights, detailHighlights } = element;
if (element.item?.iconPath) {
const icon = isDark(this.colorScheme) ? element.item.iconPath.dark : (element.item.iconPath.light ?? element.item.iconPath.dark);
const iconUrl = URI.revive(icon);
data.icon.className = 'quick-input-list-icon';
data.icon.style.backgroundImage = dom.asCSSUrl(iconUrl);
} else {
data.icon.style.backgroundImage = '';
data.icon.className = element.item?.iconClass ? `quick-input-list-icon ${element.item.iconClass}` : '';
}
// Label
const options: IIconLabelValueOptions = {
matches: labelHighlights || [],
descriptionTitle: element.saneDescription,
descriptionMatches: descriptionHighlights || [],
labelEscapeNewLines: true
};
if (mainItem.type !== 'separator') {
options.extraClasses = mainItem.iconClasses;
options.italic = mainItem.italic;
options.strikethrough = mainItem.strikethrough;
data.entry.classList.remove('quick-input-list-separator-as-item');
} else {
data.entry.classList.add('quick-input-list-separator-as-item');
}
data.label.setLabel(element.saneLabel, element.saneDescription, options);
// Keybinding
data.keybinding.set(mainItem.type === 'separator' ? undefined : mainItem.keybinding);
// Detail
if (element.saneDetail) {
data.detail.element.style.display = '';
data.detail.setLabel(element.saneDetail, undefined, {
matches: detailHighlights,
title: element.saneDetail,
labelEscapeNewLines: true
});
} else {
data.detail.element.style.display = 'none';
}
// Separator
if (element.item && element.separator && element.separator.label) {
data.separator.textContent = element.separator.label;
data.separator.style.display = '';
} else {
data.separator.style.display = 'none';
}
data.entry.classList.toggle('quick-input-list-separator-border', !!element.separator);
// Actions
const buttons = mainItem.buttons;
if (buttons && buttons.length) {
data.actionBar.push(buttons.map((button, index): IAction => {
let cssClasses = button.iconClass || (button.iconPath ? getIconClass(button.iconPath) : undefined);
if (button.alwaysVisible) {
cssClasses = cssClasses ? `${cssClasses} always-visible` : 'always-visible';
}
return {
id: `id-${index}`,
class: cssClasses,
enabled: true,
label: '',
tooltip: button.tooltip || '',
run: () => {
mainItem.type !== 'separator'
? element.fireButtonTriggered({
button,
item: mainItem
})
: element.fireSeparatorButtonTriggered({
button,
separator: mainItem
});
}
};
}), { icon: true, label: false });
data.entry.classList.add('has-actions');
} else {
data.entry.classList.remove('has-actions');
}
}
disposeElement(element: IListElement, index: number, data: IListElementTemplateData): void {
data.toDisposeElement = dispose(data.toDisposeElement);
data.actionBar.clear();
}
disposeTemplate(data: IListElementTemplateData): void {
data.toDisposeElement = dispose(data.toDisposeElement);
data.toDisposeTemplate = dispose(data.toDisposeTemplate);
}
}
class ListElementDelegate implements IListVirtualDelegate<IListElement> {
getHeight(element: IListElement): number {
if (!element.item) {
// must be a separator
return 24;
}
return element.saneDetail ? 44 : 22;
}
getTemplateId(element: IListElement): string {
return ListElementRenderer.ID;
}
}
export enum QuickInputListFocus {
First = 1,
Second,
Last,
Next,
Previous,
NextPage,
PreviousPage
}
export class QuickInputList {
readonly id: string;
private container: HTMLElement;
private list: List<IListElement>;
private inputElements: Array<QuickPickItem> = [];
private elements: IListElement[] = [];
private elementsToIndexes = new Map<QuickPickItem, number>();
matchOnDescription = false;
matchOnDetail = false;
matchOnLabel = true;
matchOnLabelMode: 'fuzzy' | 'contiguous' = 'fuzzy';
matchOnMeta = true;
sortByLabel = true;
private readonly _onChangedAllVisibleChecked = new Emitter<boolean>();
onChangedAllVisibleChecked: Event<boolean> = this._onChangedAllVisibleChecked.event;
private readonly _onChangedCheckedCount = new Emitter<number>();
onChangedCheckedCount: Event<number> = this._onChangedCheckedCount.event;
private readonly _onChangedVisibleCount = new Emitter<number>();
onChangedVisibleCount: Event<number> = this._onChangedVisibleCount.event;
private readonly _onChangedCheckedElements = new Emitter<IQuickPickItem[]>();
onChangedCheckedElements: Event<IQuickPickItem[]> = this._onChangedCheckedElements.event;
private readonly _onButtonTriggered = new Emitter<IQuickPickItemButtonEvent<IQuickPickItem>>();
onButtonTriggered = this._onButtonTriggered.event;
private readonly _onSeparatorButtonTriggered = new Emitter<IQuickPickSeparatorButtonEvent>();
onSeparatorButtonTriggered = this._onSeparatorButtonTriggered.event;
private readonly _onKeyDown = new Emitter<StandardKeyboardEvent>();
onKeyDown: Event<StandardKeyboardEvent> = this._onKeyDown.event;
private readonly _onLeave = new Emitter<void>();
onLeave: Event<void> = this._onLeave.event;
private readonly _listElementChecked = new Emitter<{ listElement: IListElement; checked: boolean }>();
private _fireCheckedEvents = true;
private elementDisposables: IDisposable[] = [];
private disposables: IDisposable[] = [];
private _lastHover: IHoverWidget | undefined;
private _toggleHover: IDisposable | undefined;
constructor(
private parent: HTMLElement,
id: string,
private options: IQuickInputOptions,
) {
this.id = id;
this.container = dom.append(this.parent, $('.quick-input-list'));
const delegate = new ListElementDelegate();
const accessibilityProvider = new QuickInputAccessibilityProvider();
this.list = options.createList('QuickInput', this.container, delegate, [new ListElementRenderer(this.options.styles.colorScheme)], {
identityProvider: {
getId: element => {
// always prefer item over separator because if item is defined, it must be the main item type
// always prefer a defined id if one was specified and use label as a fallback
return element.item?.id
?? element.item?.label
?? element.separator?.id
?? element.separator?.label
?? '';
}
},
setRowLineHeight: false,
multipleSelectionSupport: false,
horizontalScrolling: false,
accessibilityProvider
} as IListOptions<IListElement>);
this.list.getHTMLElement().id = id;
this.disposables.push(this.list);
this.disposables.push(this.list.onKeyDown(e => {
const event = new StandardKeyboardEvent(e);
switch (event.keyCode) {
case KeyCode.Space:
this.toggleCheckbox();
break;
case KeyCode.KeyA:
if (platform.isMacintosh ? e.metaKey : e.ctrlKey) {
this.list.setFocus(range(this.list.length));
}
break;
case KeyCode.UpArrow: {
const focus1 = this.list.getFocus();
if (focus1.length === 1 && focus1[0] === 0) {
this._onLeave.fire();
}
break;
}
case KeyCode.DownArrow: {
const focus2 = this.list.getFocus();
if (focus2.length === 1 && focus2[0] === this.list.length - 1) {
this._onLeave.fire();
}
break;
}
}
this._onKeyDown.fire(event);
}));
this.disposables.push(this.list.onMouseDown(e => {
if (e.browserEvent.button !== 2) {
// Works around / fixes #64350.
e.browserEvent.preventDefault();
}
}));
this.disposables.push(dom.addDisposableListener(this.container, dom.EventType.CLICK, e => {
if (e.x || e.y) { // Avoid 'click' triggered by 'space' on checkbox.
this._onLeave.fire();
}
}));
this.disposables.push(this.list.onMouseMiddleClick(e => {
this._onLeave.fire();
}));
this.disposables.push(this.list.onContextMenu(e => {
if (typeof e.index === 'number') {
e.browserEvent.preventDefault();
// we want to treat a context menu event as
// a gesture to open the item at the index
// since we do not have any context menu
// this enables for example macOS to Ctrl-
// click on an item to open it.
this.list.setSelection([e.index]);
}
}));
const delayer = new ThrottledDelayer(options.hoverDelegate.delay);
// onMouseOver triggers every time a new element has been moused over
// even if it's on the same list item.
this.disposables.push(this.list.onMouseOver(async e => {
// If we hover over an anchor element, we don't want to show the hover because
// the anchor may have a tooltip that we want to show instead.
if (e.browserEvent.target instanceof HTMLAnchorElement) {
delayer.cancel();
return;
}
if (
// anchors are an exception as called out above so we skip them here
!(e.browserEvent.relatedTarget instanceof HTMLAnchorElement) &&
// check if the mouse is still over the same element
dom.isAncestor(e.browserEvent.relatedTarget as Node, e.element?.element as Node)
) {
return;
}
try {
await delayer.trigger(async () => {
if (e.element) {
this.showHover(e.element);
}
});
} catch (e) {
// Ignore cancellation errors due to mouse out
if (!isCancellationError(e)) {
throw e;
}
}
}));
this.disposables.push(this.list.onMouseOut(e => {
// onMouseOut triggers every time a new element has been moused over
// even if it's on the same list item. We only want one event, so we
// check if the mouse is still over the same element.
if (dom.isAncestor(e.browserEvent.relatedTarget as Node, e.element?.element as Node)) {
return;
}
delayer.cancel();
}));
this.disposables.push(this._listElementChecked.event(_ => this.fireCheckedEvents()));
this.disposables.push(
this._onChangedAllVisibleChecked,
this._onChangedCheckedCount,
this._onChangedVisibleCount,
this._onChangedCheckedElements,
this._onButtonTriggered,
this._onSeparatorButtonTriggered,
this._onLeave,
this._onKeyDown,
delayer
);
}
@memoize
get onDidChangeFocus() {
return Event.map(this.list.onDidChangeFocus, e => e.elements.map(e => e.item));
}
@memoize
get onDidChangeSelection() {
return Event.map(this.list.onDidChangeSelection, e => ({ items: e.elements.map(e => e.item), event: e.browserEvent }));
}
get scrollTop() {
return this.list.scrollTop;
}
set scrollTop(scrollTop: number) {
this.list.scrollTop = scrollTop;
}
get ariaLabel() {
return this.list.getHTMLElement().ariaLabel;
}
set ariaLabel(label: string | null) {
this.list.getHTMLElement().ariaLabel = label;
}
getAllVisibleChecked() {
return this.allVisibleChecked(this.elements, false);
}
private allVisibleChecked(elements: IListElement[], whenNoneVisible = true) {
for (let i = 0, n = elements.length; i < n; i++) {
const element = elements[i];
if (!element.hidden) {
if (!element.checked) {
return false;
} else {
whenNoneVisible = true;
}
}
}
return whenNoneVisible;
}
getCheckedCount() {
let count = 0;
const elements = this.elements;
for (let i = 0, n = elements.length; i < n; i++) {
if (elements[i].checked) {
count++;
}
}
return count;
}
getVisibleCount() {
let count = 0;
const elements = this.elements;
for (let i = 0, n = elements.length; i < n; i++) {
if (!elements[i].hidden) {
count++;
}
}
return count;
}
setAllVisibleChecked(checked: boolean) {
try {
this._fireCheckedEvents = false;
this.elements.forEach(element => {
if (!element.hidden) {
element.checked = checked;
}
});
} finally {
this._fireCheckedEvents = true;
this.fireCheckedEvents();
}
}
setElements(inputElements: Array<QuickPickItem>): void {
this.elementDisposables = dispose(this.elementDisposables);
const fireButtonTriggered = (event: IQuickPickItemButtonEvent<IQuickPickItem>) => this.fireButtonTriggered(event);
const fireSeparatorButtonTriggered = (event: IQuickPickSeparatorButtonEvent) => this.fireSeparatorButtonTriggered(event);
this.inputElements = inputElements;
const elementsToIndexes = new Map<QuickPickItem, number>();
const hasCheckbox = this.parent.classList.contains('show-checkboxes');
this.elements = inputElements.reduce((result, item, index) => {
const previous = index > 0 ? inputElements[index - 1] : undefined;
if (item.type === 'separator') {
if (!item.buttons) {
// This separator will be rendered as a part of the list item
return result;
}
}
const element = new ListElement(
item,
previous,
index,
hasCheckbox,
fireButtonTriggered,
fireSeparatorButtonTriggered,
this._listElementChecked
);
result.push(element);
elementsToIndexes.set(element.item ?? element.separator!, index);
return result;
}, [] as IListElement[]);
this.elementsToIndexes = elementsToIndexes;
this.list.splice(0, this.list.length); // Clear focus and selection first, sending the events when the list is empty.
this.list.splice(0, this.list.length, this.elements);
this._onChangedVisibleCount.fire(this.elements.length);
}
getElementsCount(): number {
return this.inputElements.length;
}
getFocusedElements() {
return this.list.getFocusedElements()
.map(e => e.item);
}
setFocusedElements(items: IQuickPickItem[]) {
this.list.setFocus(items
.filter(item => this.elementsToIndexes.has(item))
.map(item => this.elementsToIndexes.get(item)!));
if (items.length > 0) {
const focused = this.list.getFocus()[0];
if (typeof focused === 'number') {
this.list.reveal(focused);
}
}
}
getActiveDescendant() {
return this.list.getHTMLElement().getAttribute('aria-activedescendant');
}
getSelectedElements() {
return this.list.getSelectedElements()
.map(e => e.item);
}
setSelectedElements(items: IQuickPickItem[]) {
this.list.setSelection(items
.filter(item => this.elementsToIndexes.has(item))
.map(item => this.elementsToIndexes.get(item)!));
}
getCheckedElements() {
return this.elements.filter(e => e.checked)
.map(e => e.item)
.filter(e => !!e) as IQuickPickItem[];
}
setCheckedElements(items: IQuickPickItem[]) {
try {
this._fireCheckedEvents = false;
const checked = new Set();
for (const item of items) {
checked.add(item);
}
for (const element of this.elements) {
element.checked = checked.has(element.item);
}
} finally {
this._fireCheckedEvents = true;
this.fireCheckedEvents();
}
}
set enabled(value: boolean) {
this.list.getHTMLElement().style.pointerEvents = value ? '' : 'none';
}
focus(what: QuickInputListFocus): void {
if (!this.list.length) {
return;
}
if (what === QuickInputListFocus.Second && this.list.length < 2) {
what = QuickInputListFocus.First;
}
switch (what) {
case QuickInputListFocus.First:
this.list.scrollTop = 0;
this.list.focusFirst(undefined, (e) => !!e.item);
break;
case QuickInputListFocus.Second:
this.list.scrollTop = 0;
this.list.focusNth(1, undefined, (e) => !!e.item);
break;
case QuickInputListFocus.Last:
this.list.scrollTop = this.list.scrollHeight;
this.list.focusLast(undefined, (e) => !!e.item);
break;
case QuickInputListFocus.Next: {
this.list.focusNext(undefined, true, undefined, (e) => !!e.item);
const index = this.list.getFocus()[0];
if (index !== 0 && !this.elements[index - 1].item && this.list.firstVisibleIndex > index - 1) {
this.list.reveal(index - 1);
}
break;
}
case QuickInputListFocus.Previous: {
this.list.focusPrevious(undefined, true, undefined, (e) => !!e.item);
const index = this.list.getFocus()[0];
if (index !== 0 && !this.elements[index - 1].item && this.list.firstVisibleIndex > index - 1) {
this.list.reveal(index - 1);
}
break;
}
case QuickInputListFocus.NextPage:
this.list.focusNextPage(undefined, (e) => !!e.item);
break;
case QuickInputListFocus.PreviousPage:
this.list.focusPreviousPage(undefined, (e) => !!e.item);
break;
}
const focused = this.list.getFocus()[0];
if (typeof focused === 'number') {
this.list.reveal(focused);
}
}
clearFocus() {
this.list.setFocus([]);
}
domFocus() {
this.list.domFocus();
}
/**
* Disposes of the hover and shows a new one for the given index if it has a tooltip.
* @param element The element to show the hover for
*/
private showHover(element: IListElement): void {
if (this._lastHover && !this._lastHover.isDisposed) {
this.options.hoverDelegate.onDidHideHover?.();
this._lastHover?.dispose();
}
if (!element.element || !element.saneTooltip) {
return;
}
this._lastHover = this.options.hoverDelegate.showHover({
content: element.saneTooltip!,
target: element.element!,
linkHandler: (url) => {
this.options.linkOpenerDelegate(url);
},
showPointer: true,
container: this.container,
hoverPosition: HoverPosition.RIGHT
}, false);
}
layout(maxHeight?: number): void {
this.list.getHTMLElement().style.maxHeight = maxHeight ? `${
// Make sure height aligns with list item heights
Math.floor(maxHeight / 44) * 44
// Add some extra height so that it's clear there's more to scroll
+ 6
}px` : '';
this.list.layout();
}
filter(query: string): boolean {
if (!(this.sortByLabel || this.matchOnLabel || this.matchOnDescription || this.matchOnDetail)) {
this.list.layout();
return false;
}
const queryWithWhitespace = query;
query = query.trim();
// Reset filtering
if (!query || !(this.matchOnLabel || this.matchOnDescription || this.matchOnDetail)) {
this.elements.forEach(element => {
element.labelHighlights = undefined;
element.descriptionHighlights = undefined;
element.detailHighlights = undefined;
element.hidden = false;
const previous = element.index && this.inputElements[element.index - 1];
if (element.item) {
element.separator = previous && previous.type === 'separator' && !previous.buttons ? previous : undefined;
}
});
}
// Filter by value (since we support icons in labels, use $(..) aware fuzzy matching)
else {
let currentSeparator: IQuickPickSeparator | undefined;
this.elements.forEach(element => {
let labelHighlights: IMatch[] | undefined;
if (this.matchOnLabelMode === 'fuzzy') {
labelHighlights = this.matchOnLabel ? withNullAsUndefined(matchesFuzzyIconAware(query, parseLabelWithIcons(element.saneLabel))) : undefined;
} else {
labelHighlights = this.matchOnLabel ? withNullAsUndefined(matchesContiguousIconAware(queryWithWhitespace, parseLabelWithIcons(element.saneLabel))) : undefined;
}
const descriptionHighlights = this.matchOnDescription ? withNullAsUndefined(matchesFuzzyIconAware(query, parseLabelWithIcons(element.saneDescription || ''))) : undefined;
const detailHighlights = this.matchOnDetail ? withNullAsUndefined(matchesFuzzyIconAware(query, parseLabelWithIcons(element.saneDetail || ''))) : undefined;
if (labelHighlights || descriptionHighlights || detailHighlights) {
element.labelHighlights = labelHighlights;
element.descriptionHighlights = descriptionHighlights;
element.detailHighlights = detailHighlights;
element.hidden = false;
} else {
element.labelHighlights = undefined;
element.descriptionHighlights = undefined;
element.detailHighlights = undefined;
element.hidden = element.item ? !element.item.alwaysShow : true;
}
// Ensure separators are filtered out first before deciding if we need to bring them back
if (element.item) {
element.separator = undefined;
} else if (element.separator) {
element.hidden = true;
}
// we can show the separator unless the list gets sorted by match
if (!this.sortByLabel) {
const previous = element.index && this.inputElements[element.index - 1];
currentSeparator = previous && previous.type === 'separator' ? previous : currentSeparator;
if (currentSeparator && !element.hidden) {
element.separator = currentSeparator;
currentSeparator = undefined;
}
}
});
}
const shownElements = this.elements.filter(element => !element.hidden);
// Sort by value
if (this.sortByLabel && query) {
const normalizedSearchValue = query.toLowerCase();
shownElements.sort((a, b) => {
return compareEntries(a, b, normalizedSearchValue);
});
}
this.elementsToIndexes = shownElements.reduce((map, element, index) => {
map.set(element.item ?? element.separator!, index);
return map;
}, new Map<QuickPickItem, number>());
this.list.splice(0, this.list.length, shownElements);
this.list.setFocus([]);
this.list.layout();
this._onChangedAllVisibleChecked.fire(this.getAllVisibleChecked());
this._onChangedVisibleCount.fire(shownElements.length);
return true;
}
toggleCheckbox() {
try {
this._fireCheckedEvents = false;
const elements = this.list.getFocusedElements();
const allChecked = this.allVisibleChecked(elements);
for (const element of elements) {
element.checked = !allChecked;
}
} finally {
this._fireCheckedEvents = true;
this.fireCheckedEvents();
}
}
display(display: boolean) {
this.container.style.display = display ? '' : 'none';
}
isDisplayed() {
return this.container.style.display !== 'none';
}
dispose() {
this.elementDisposables = dispose(this.elementDisposables);
this.disposables = dispose(this.disposables);
}
private fireCheckedEvents() {
if (this._fireCheckedEvents) {
this._onChangedAllVisibleChecked.fire(this.getAllVisibleChecked());
this._onChangedCheckedCount.fire(this.getCheckedCount());
this._onChangedCheckedElements.fire(this.getCheckedElements());
}
}
private fireButtonTriggered(event: IQuickPickItemButtonEvent<IQuickPickItem>) {
this._onButtonTriggered.fire(event);
}
private fireSeparatorButtonTriggered(event: IQuickPickSeparatorButtonEvent) {
this._onSeparatorButtonTriggered.fire(event);