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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 { RunOnceScheduler } from 'vs/base/common/async';
import { Codicon, CSSIcon } from 'vs/base/common/codicons';
import { Emitter, Event } from 'vs/base/common/event';
import { IJSONSchema, IJSONSchemaMap } from 'vs/base/common/jsonSchema';
import { isString } from 'vs/base/common/types';
import { URI } from 'vs/base/common/uri';
import { localize } from 'vs/nls';
import { Extensions as JSONExtensions, IJSONContributionRegistry } from 'vs/platform/jsonschemas/common/jsonContributionRegistry';
import * as platform from 'vs/platform/registry/common/platform';
import { ThemeIcon } from 'vs/platform/theme/common/themeService';
// ------ API types
export type IconIdentifier = string;
// icon registry
export const Extensions = {
IconContribution: 'base.contributions.icons'
};
export type IconDefaults = ThemeIcon | IconDefinition;
export interface IconDefinition {
font?: IconFontContribution; // undefined for the default font (codicon)
fontCharacter: string;
}
export interface IconContribution {
readonly id: string;
description: string | undefined;
deprecationMessage?: string;
readonly defaults: IconDefaults;
}
export namespace IconContribution {
export function getDefinition(contribution: IconContribution, registry: IIconRegistry): IconDefinition | undefined {
let definition = contribution.defaults;
while (ThemeIcon.isThemeIcon(definition)) {
const c = iconRegistry.getIcon(definition.id);
if (!c) {
return undefined;
}
definition = c.defaults;
}
return definition;
}
}
export interface IconFontContribution {
readonly id: string;
readonly definition: IconFontDefinition;
}
export interface IconFontDefinition {
readonly weight?: string;
readonly style?: string;
readonly src: IconFontSource[];
}
export namespace IconFontDefinition {
export function toJSONObject(iconFont: IconFontDefinition): any {
return {
weight: iconFont.weight,
style: iconFont.style,
src: iconFont.src.map(s => ({ format: s.format, location: s.location.toString() }))
};
}
export function fromJSONObject(json: any): IconFontDefinition | undefined {
const stringOrUndef = (s: any) => isString(s) ? s : undefined;
if (json && Array.isArray(json.src) && json.src.every((s: any) => isString(s.format) && isString(s.location))) {
return {
weight: stringOrUndef(json.weight),
style: stringOrUndef(json.style),
src: json.src.map((s: any) => ({ format: s.format, location: URI.parse(s.location) }))
};
}
return undefined;
}
}
export interface IconFontSource {
readonly location: URI;
readonly format: string;
}
export interface IIconRegistry {
readonly onDidChange: Event<void>;
/**
* Register a icon to the registry.
* @param id The icon id
* @param defaults The default values
* @param description The description
*/
registerIcon(id: IconIdentifier, defaults: IconDefaults, description?: string): ThemeIcon;
/**
* Deregister a icon from the registry.
*/
deregisterIcon(id: IconIdentifier): void;
/**
* Get all icon contributions
*/
getIcons(): IconContribution[];
/**
* Get the icon for the given id
*/
getIcon(id: IconIdentifier): IconContribution | undefined;
/**
* JSON schema for an object to assign icon values to one of the icon contributions.
*/
getIconSchema(): IJSONSchema;
/**
* JSON schema to for a reference to a icon contribution.
*/
getIconReferenceSchema(): IJSONSchema;
/**
* Register a icon font to the registry.
* @param id The icon font id
* @param definition The icon font definition
*/
registerIconFont(id: string, definition: IconFontDefinition): IconFontDefinition;
/**
* Deregister an icon font to the registry.
*/
deregisterIconFont(id: string): void;
/**
* Get the icon font for the given id
*/
getIconFont(id: string): IconFontDefinition | undefined;
}
class IconRegistry implements IIconRegistry {
private readonly _onDidChange = new Emitter<void>();
readonly onDidChange: Event<void> = this._onDidChange.event;
private iconsById: { [key: string]: IconContribution };
private iconSchema: IJSONSchema & { properties: IJSONSchemaMap } = {
definitions: {
icons: {
type: 'object',
properties: {
fontId: { type: 'string', description: localize('iconDefinition.fontId', 'The id of the font to use. If not set, the font that is defined first is used.') },
fontCharacter: { type: 'string', description: localize('iconDefinition.fontCharacter', 'The font character associated with the icon definition.') }
},
additionalProperties: false,
defaultSnippets: [{ body: { fontCharacter: '\\\\e030' } }]
}
},
type: 'object',
properties: {}
};
private iconReferenceSchema: IJSONSchema & { enum: string[]; enumDescriptions: string[] } = { type: 'string', pattern: `^${CSSIcon.iconNameExpression}$`, enum: [], enumDescriptions: [] };
private iconFontsById: { [key: string]: IconFontDefinition };
constructor() {
this.iconsById = {};
this.iconFontsById = {};
}
public registerIcon(id: string, defaults: IconDefaults, description?: string, deprecationMessage?: string): ThemeIcon {
const existing = this.iconsById[id];
if (existing) {
if (description && !existing.description) {
existing.description = description;
this.iconSchema.properties[id].markdownDescription = `${description} $(${id})`;
const enumIndex = this.iconReferenceSchema.enum.indexOf(id);
if (enumIndex !== -1) {
this.iconReferenceSchema.enumDescriptions[enumIndex] = description;
}
this._onDidChange.fire();
}
return existing;
}
const iconContribution: IconContribution = { id, description, defaults, deprecationMessage };
this.iconsById[id] = iconContribution;
const propertySchema: IJSONSchema = { $ref: '#/definitions/icons' };
if (deprecationMessage) {
propertySchema.deprecationMessage = deprecationMessage;
}
if (description) {
propertySchema.markdownDescription = `${description}: $(${id})`;
}
this.iconSchema.properties[id] = propertySchema;
this.iconReferenceSchema.enum.push(id);
this.iconReferenceSchema.enumDescriptions.push(description || '');
this._onDidChange.fire();
return { id };
}
public deregisterIcon(id: string): void {
delete this.iconsById[id];
delete this.iconSchema.properties[id];
const index = this.iconReferenceSchema.enum.indexOf(id);
if (index !== -1) {
this.iconReferenceSchema.enum.splice(index, 1);
this.iconReferenceSchema.enumDescriptions.splice(index, 1);
}
this._onDidChange.fire();
}
public getIcons(): IconContribution[] {
return Object.keys(this.iconsById).map(id => this.iconsById[id]);
}
public getIcon(id: string): IconContribution | undefined {
return this.iconsById[id];
}
public getIconSchema(): IJSONSchema {
return this.iconSchema;
}
public getIconReferenceSchema(): IJSONSchema {
return this.iconReferenceSchema;
}
public registerIconFont(id: string, definition: IconFontDefinition): IconFontDefinition {
const existing = this.iconFontsById[id];
if (existing) {
return existing;
}
this.iconFontsById[id] = definition;
this._onDidChange.fire();
return definition;
}
public deregisterIconFont(id: string): void {
delete this.iconFontsById[id];
}
public getIconFont(id: string): IconFontDefinition | undefined {
return this.iconFontsById[id];
}
public toString() {
const sorter = (i1: IconContribution, i2: IconContribution) => {
return i1.id.localeCompare(i2.id);
};
const classNames = (i: IconContribution) => {
while (ThemeIcon.isThemeIcon(i.defaults)) {
i = this.iconsById[i.defaults.id];
}
return `codicon codicon-${i ? i.id : ''}`;
};
const reference = [];
reference.push(`| preview | identifier | default codicon ID | description`);
reference.push(`| ----------- | --------------------------------- | --------------------------------- | --------------------------------- |`);
const contributions = Object.keys(this.iconsById).map(key => this.iconsById[key]);
for (const i of contributions.filter(i => !!i.description).sort(sorter)) {
reference.push(`|<i class="${classNames(i)}"></i>|${i.id}|${ThemeIcon.isThemeIcon(i.defaults) ? i.defaults.id : i.id}|${i.description || ''}|`);
}
reference.push(`| preview | identifier `);
reference.push(`| ----------- | --------------------------------- |`);
for (const i of contributions.filter(i => !ThemeIcon.isThemeIcon(i.defaults)).sort(sorter)) {
reference.push(`|<i class="${classNames(i)}"></i>|${i.id}|`);
}
return reference.join('\n');
}
}
const iconRegistry = new IconRegistry();
platform.Registry.add(Extensions.IconContribution, iconRegistry);
export function registerIcon(id: string, defaults: IconDefaults, description: string, deprecationMessage?: string): ThemeIcon {
return iconRegistry.registerIcon(id, defaults, description, deprecationMessage);
}
export function getIconRegistry(): IIconRegistry {
return iconRegistry;
}
function initialize() {
for (const icon of Codicon.getAll()) {
iconRegistry.registerIcon(icon.id, icon.definition, icon.description);
}
}
initialize();
export const iconsSchemaId = 'vscode://schemas/icons';
const schemaRegistry = platform.Registry.as<IJSONContributionRegistry>(JSONExtensions.JSONContribution);
schemaRegistry.registerSchema(iconsSchemaId, iconRegistry.getIconSchema());
const delayer = new RunOnceScheduler(() => schemaRegistry.notifySchemaChanged(iconsSchemaId), 200);
iconRegistry.onDidChange(() => {
if (!delayer.isScheduled()) {
delayer.schedule();
}
});
//setTimeout(_ => console.log(iconRegistry.toString()), 5000);
// common icons
export const widgetClose = registerIcon('widget-close', Codicon.close, localize('widgetClose', 'Icon for the close action in widgets.'));
export const gotoPreviousLocation = registerIcon('goto-previous-location', Codicon.arrowUp, localize('previousChangeIcon', 'Icon for goto previous editor location.'));
export const gotoNextLocation = registerIcon('goto-next-location', Codicon.arrowDown, localize('nextChangeIcon', 'Icon for goto next editor location.'));
export const syncing = ThemeIcon.modify(Codicon.sync, 'spin');
export const spinningLoading = ThemeIcon.modify(Codicon.loading, 'spin');
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