sussudio
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An unofficial VS Code Internal API
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JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import "../../../../css!./iconlabel.mjs";
import * as dom from "../../dom.mjs";
import { HighlightedLabel } from "../highlightedlabel/highlightedLabel.mjs";
import { setupCustomHover, setupNativeHover } from "./iconLabelHover.mjs";
import { Disposable } from "../../../common/lifecycle.mjs";
import { equals } from "../../../common/objects.mjs";
import { Range } from "../../../common/range.mjs";
class FastLabelNode {
_element;
disposed;
_textContent;
_className;
_empty;
constructor(_element) {
this._element = _element;
}
get element() {
return this._element;
}
set textContent(content) {
if (this.disposed || content === this._textContent) {
return;
}
this._textContent = content;
this._element.textContent = content;
}
set className(className) {
if (this.disposed || className === this._className) {
return;
}
this._className = className;
this._element.className = className;
}
set empty(empty) {
if (this.disposed || empty === this._empty) {
return;
}
this._empty = empty;
this._element.style.marginLeft = empty ? '0' : '';
}
dispose() {
this.disposed = true;
}
}
export class IconLabel extends Disposable {
creationOptions;
domNode;
nameNode;
descriptionNode;
labelContainer;
hoverDelegate;
customHovers = new Map();
constructor(container, options) {
super();
this.creationOptions = options;
this.domNode = this._register(new FastLabelNode(dom.append(container, dom.$('.monaco-icon-label'))));
this.labelContainer = dom.append(this.domNode.element, dom.$('.monaco-icon-label-container'));
const nameContainer = dom.append(this.labelContainer, dom.$('span.monaco-icon-name-container'));
if (options?.supportHighlights || options?.supportIcons) {
this.nameNode = new LabelWithHighlights(nameContainer, !!options.supportIcons);
}
else {
this.nameNode = new Label(nameContainer);
}
this.hoverDelegate = options?.hoverDelegate;
}
get element() {
return this.domNode.element;
}
setLabel(label, description, options) {
const labelClasses = ['monaco-icon-label'];
const containerClasses = ['monaco-icon-label-container'];
if (options) {
if (options.extraClasses) {
labelClasses.push(...options.extraClasses);
}
if (options.italic) {
labelClasses.push('italic');
}
if (options.strikethrough) {
labelClasses.push('strikethrough');
}
if (options.disabledCommand) {
containerClasses.push('disabled');
}
}
this.domNode.className = labelClasses.join(' ');
this.labelContainer.className = containerClasses.join(' ');
this.setupHover(options?.descriptionTitle ? this.labelContainer : this.element, options?.title);
this.nameNode.setLabel(label, options);
if (description || this.descriptionNode) {
const descriptionNode = this.getOrCreateDescriptionNode();
if (descriptionNode instanceof HighlightedLabel) {
descriptionNode.set(description || '', options ? options.descriptionMatches : undefined, undefined, options?.labelEscapeNewLines);
this.setupHover(descriptionNode.element, options?.descriptionTitle);
}
else {
descriptionNode.textContent = description && options?.labelEscapeNewLines ? HighlightedLabel.escapeNewLines(description, []) : (description || '');
this.setupHover(descriptionNode.element, options?.descriptionTitle || '');
descriptionNode.empty = !description;
}
}
}
setupHover(htmlElement, tooltip) {
const previousCustomHover = this.customHovers.get(htmlElement);
if (previousCustomHover) {
previousCustomHover.dispose();
this.customHovers.delete(htmlElement);
}
if (!tooltip) {
htmlElement.removeAttribute('title');
return;
}
if (!this.hoverDelegate) {
setupNativeHover(htmlElement, tooltip);
}
else {
const hoverDisposable = setupCustomHover(this.hoverDelegate, htmlElement, tooltip);
if (hoverDisposable) {
this.customHovers.set(htmlElement, hoverDisposable);
}
}
}
dispose() {
super.dispose();
for (const disposable of this.customHovers.values()) {
disposable.dispose();
}
this.customHovers.clear();
}
getOrCreateDescriptionNode() {
if (!this.descriptionNode) {
const descriptionContainer = this._register(new FastLabelNode(dom.append(this.labelContainer, dom.$('span.monaco-icon-description-container'))));
if (this.creationOptions?.supportDescriptionHighlights) {
this.descriptionNode = new HighlightedLabel(dom.append(descriptionContainer.element, dom.$('span.label-description')), { supportIcons: !!this.creationOptions.supportIcons });
}
else {
this.descriptionNode = this._register(new FastLabelNode(dom.append(descriptionContainer.element, dom.$('span.label-description'))));
}
}
return this.descriptionNode;
}
}
class Label {
container;
label = undefined;
singleLabel = undefined;
options;
constructor(container) {
this.container = container;
}
setLabel(label, options) {
if (this.label === label && equals(this.options, options)) {
return;
}
this.label = label;
this.options = options;
if (typeof label === 'string') {
if (!this.singleLabel) {
this.container.innerText = '';
this.container.classList.remove('multiple');
this.singleLabel = dom.append(this.container, dom.$('a.label-name', { id: options?.domId }));
}
this.singleLabel.textContent = label;
}
else {
this.container.innerText = '';
this.container.classList.add('multiple');
this.singleLabel = undefined;
for (let i = 0; i < label.length; i++) {
const l = label[i];
const id = options?.domId && `${options?.domId}_${i}`;
dom.append(this.container, dom.$('a.label-name', { id, 'data-icon-label-count': label.length, 'data-icon-label-index': i, 'role': 'treeitem' }, l));
if (i < label.length - 1) {
dom.append(this.container, dom.$('span.label-separator', undefined, options?.separator || '/'));
}
}
}
}
}
function splitMatches(labels, separator, matches) {
if (!matches) {
return undefined;
}
let labelStart = 0;
return labels.map(label => {
const labelRange = { start: labelStart, end: labelStart + label.length };
const result = matches
.map(match => Range.intersect(labelRange, match))
.filter(range => !Range.isEmpty(range))
.map(({ start, end }) => ({ start: start - labelStart, end: end - labelStart }));
labelStart = labelRange.end + separator.length;
return result;
});
}
class LabelWithHighlights {
container;
supportIcons;
label = undefined;
singleLabel = undefined;
options;
constructor(container, supportIcons) {
this.container = container;
this.supportIcons = supportIcons;
}
setLabel(label, options) {
if (this.label === label && equals(this.options, options)) {
return;
}
this.label = label;
this.options = options;
if (typeof label === 'string') {
if (!this.singleLabel) {
this.container.innerText = '';
this.container.classList.remove('multiple');
this.singleLabel = new HighlightedLabel(dom.append(this.container, dom.$('a.label-name', { id: options?.domId })), { supportIcons: this.supportIcons });
}
this.singleLabel.set(label, options?.matches, undefined, options?.labelEscapeNewLines);
}
else {
this.container.innerText = '';
this.container.classList.add('multiple');
this.singleLabel = undefined;
const separator = options?.separator || '/';
const matches = splitMatches(label, separator, options?.matches);
for (let i = 0; i < label.length; i++) {
const l = label[i];
const m = matches ? matches[i] : undefined;
const id = options?.domId && `${options?.domId}_${i}`;
const name = dom.$('a.label-name', { id, 'data-icon-label-count': label.length, 'data-icon-label-index': i, 'role': 'treeitem' });
const highlightedLabel = new HighlightedLabel(dom.append(this.container, name), { supportIcons: this.supportIcons });
highlightedLabel.set(l, m, undefined, options?.labelEscapeNewLines);
if (i < label.length - 1) {
dom.append(name, dom.$('span.label-separator', undefined, separator));
}
}
}
}
}