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code-server/lib/vscode/src/vs/workbench/browser/labels.ts
2021-03-11 10:27:10 -07:00

593 lines
18 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { URI } from 'vs/base/common/uri';
import { dirname, isEqual, basenameOrAuthority } from 'vs/base/common/resources';
import { IconLabel, IIconLabelValueOptions, IIconLabelCreationOptions } from 'vs/base/browser/ui/iconLabel/iconLabel';
import { IModeService } from 'vs/editor/common/services/modeService';
import { IWorkspaceContextService } from 'vs/platform/workspace/common/workspace';
import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
import { IModelService } from 'vs/editor/common/services/modelService';
import { ITextFileService } from 'vs/workbench/services/textfile/common/textfiles';
import { IDecorationsService, IResourceDecorationChangeEvent } from 'vs/workbench/services/decorations/browser/decorations';
import { Schemas } from 'vs/base/common/network';
import { FileKind, FILES_ASSOCIATIONS_CONFIG } from 'vs/platform/files/common/files';
import { ITextModel } from 'vs/editor/common/model';
import { IThemeService } from 'vs/platform/theme/common/themeService';
import { Event, Emitter } from 'vs/base/common/event';
import { ILabelService } from 'vs/platform/label/common/label';
import { getIconClasses, detectModeId } from 'vs/editor/common/services/getIconClasses';
import { Disposable, dispose, IDisposable, DisposableStore } from 'vs/base/common/lifecycle';
import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
import { withNullAsUndefined } from 'vs/base/common/types';
import { normalizeDriveLetter } from 'vs/base/common/labels';
export interface IResourceLabelProps {
resource?: URI | { primary?: URI, secondary?: URI };
name?: string | string[];
description?: string;
}
function toResource(props: IResourceLabelProps | undefined): URI | undefined {
if (!props || !props.resource) {
return undefined;
}
if (URI.isUri(props.resource)) {
return props.resource;
}
return props.resource.primary;
}
export interface IResourceLabelOptions extends IIconLabelValueOptions {
/**
* A hint to the file kind of the resource.
*/
fileKind?: FileKind;
/**
* File decorations to use for the label.
*/
fileDecorations?: { colors: boolean, badges: boolean };
/**
* Will take the provided label as is and e.g. not override it for untitled files.
*/
forceLabel?: boolean;
}
export interface IFileLabelOptions extends IResourceLabelOptions {
hideLabel?: boolean;
hidePath?: boolean;
}
export interface IResourceLabel extends IDisposable {
readonly element: HTMLElement;
readonly onDidRender: Event<void>;
/**
* Most generic way to apply a label with raw information.
*/
setLabel(label?: string, description?: string, options?: IIconLabelValueOptions): void;
/**
* Convenient method to apply a label by passing a resource along.
*
* Note: for file resources consider to use the #setFile() method instead.
*/
setResource(label: IResourceLabelProps, options?: IResourceLabelOptions): void;
/**
* Convenient method to render a file label based on a resource.
*/
setFile(resource: URI, options?: IFileLabelOptions): void;
/**
* Resets the label to be empty.
*/
clear(): void;
}
export interface IResourceLabelsContainer {
readonly onDidChangeVisibility: Event<boolean>;
}
export const DEFAULT_LABELS_CONTAINER: IResourceLabelsContainer = {
onDidChangeVisibility: Event.None
};
export class ResourceLabels extends Disposable {
private _onDidChangeDecorations = this._register(new Emitter<void>());
readonly onDidChangeDecorations = this._onDidChangeDecorations.event;
private widgets: ResourceLabelWidget[] = [];
private labels: IResourceLabel[] = [];
constructor(
container: IResourceLabelsContainer,
@IInstantiationService private readonly instantiationService: IInstantiationService,
@IConfigurationService private readonly configurationService: IConfigurationService,
@IModelService private readonly modelService: IModelService,
@IModeService private readonly modeService: IModeService,
@IDecorationsService private readonly decorationsService: IDecorationsService,
@IThemeService private readonly themeService: IThemeService,
@ILabelService private readonly labelService: ILabelService,
@ITextFileService private readonly textFileService: ITextFileService
) {
super();
this.registerListeners(container);
}
private registerListeners(container: IResourceLabelsContainer): void {
// notify when visibility changes
this._register(container.onDidChangeVisibility(visible => {
this.widgets.forEach(widget => widget.notifyVisibilityChanged(visible));
}));
// notify when extensions are registered with potentially new languages
this._register(this.modeService.onLanguagesMaybeChanged(() => this.widgets.forEach(widget => widget.notifyExtensionsRegistered())));
// notify when model mode changes
this._register(this.modelService.onModelModeChanged(e => {
if (!e.model.uri) {
return; // we need the resource to compare
}
this.widgets.forEach(widget => widget.notifyModelModeChanged(e.model));
}));
// notify when model is added
this._register(this.modelService.onModelAdded(model => {
if (!model.uri) {
return; // we need the resource to compare
}
this.widgets.forEach(widget => widget.notifyModelAdded(model));
}));
// notify when file decoration changes
this._register(this.decorationsService.onDidChangeDecorations(e => {
let notifyDidChangeDecorations = false;
this.widgets.forEach(widget => {
if (widget.notifyFileDecorationsChanges(e)) {
notifyDidChangeDecorations = true;
}
});
if (notifyDidChangeDecorations) {
this._onDidChangeDecorations.fire();
}
}));
// notify when theme changes
this._register(this.themeService.onDidColorThemeChange(() => this.widgets.forEach(widget => widget.notifyThemeChange())));
// notify when files.associations changes
this._register(this.configurationService.onDidChangeConfiguration(e => {
if (e.affectsConfiguration(FILES_ASSOCIATIONS_CONFIG)) {
this.widgets.forEach(widget => widget.notifyFileAssociationsChange());
}
}));
// notify when label formatters change
this._register(this.labelService.onDidChangeFormatters(e => {
this.widgets.forEach(widget => widget.notifyFormattersChange(e.scheme));
}));
// notify when untitled labels change
this._register(this.textFileService.untitled.onDidChangeLabel(model => {
this.widgets.forEach(widget => widget.notifyUntitledLabelChange(model.resource));
}));
}
get(index: number): IResourceLabel {
return this.labels[index];
}
create(container: HTMLElement, options?: IIconLabelCreationOptions): IResourceLabel {
const widget = this.instantiationService.createInstance(ResourceLabelWidget, container, options);
// Only expose a handle to the outside
const label: IResourceLabel = {
element: widget.element,
onDidRender: widget.onDidRender,
setLabel: (label: string, description?: string, options?: IIconLabelValueOptions) => widget.setLabel(label, description, options),
setResource: (label: IResourceLabelProps, options?: IResourceLabelOptions) => widget.setResource(label, options),
setFile: (resource: URI, options?: IFileLabelOptions) => widget.setFile(resource, options),
clear: () => widget.clear(),
dispose: () => this.disposeWidget(widget)
};
// Store
this.labels.push(label);
this.widgets.push(widget);
return label;
}
private disposeWidget(widget: ResourceLabelWidget): void {
const index = this.widgets.indexOf(widget);
if (index > -1) {
this.widgets.splice(index, 1);
this.labels.splice(index, 1);
}
dispose(widget);
}
clear(): void {
this.widgets = dispose(this.widgets);
this.labels = [];
}
dispose(): void {
super.dispose();
this.clear();
}
}
/**
* Note: please consider to use `ResourceLabels` if you are in need
* of more than one label for your widget.
*/
export class ResourceLabel extends ResourceLabels {
private label: IResourceLabel;
get element(): IResourceLabel { return this.label; }
constructor(
container: HTMLElement,
options: IIconLabelCreationOptions | undefined,
@IInstantiationService instantiationService: IInstantiationService,
@IConfigurationService configurationService: IConfigurationService,
@IModelService modelService: IModelService,
@IModeService modeService: IModeService,
@IDecorationsService decorationsService: IDecorationsService,
@IThemeService themeService: IThemeService,
@ILabelService labelService: ILabelService,
@ITextFileService textFileService: ITextFileService
) {
super(DEFAULT_LABELS_CONTAINER, instantiationService, configurationService, modelService, modeService, decorationsService, themeService, labelService, textFileService);
this.label = this._register(this.create(container, options));
}
}
enum Redraw {
Basic = 1,
Full = 2
}
class ResourceLabelWidget extends IconLabel {
private _onDidRender = this._register(new Emitter<void>());
readonly onDidRender = this._onDidRender.event;
private readonly renderDisposables = this._register(new DisposableStore());
private label?: IResourceLabelProps;
private options?: IResourceLabelOptions;
private computedIconClasses?: string[];
private lastKnownDetectedModeId?: string;
private computedPathLabel?: string;
private needsRedraw?: Redraw;
private isHidden: boolean = false;
constructor(
container: HTMLElement,
options: IIconLabelCreationOptions | undefined,
@IModeService private readonly modeService: IModeService,
@IModelService private readonly modelService: IModelService,
@IDecorationsService private readonly decorationsService: IDecorationsService,
@ILabelService private readonly labelService: ILabelService,
@ITextFileService private readonly textFileService: ITextFileService,
@IWorkspaceContextService private readonly contextService: IWorkspaceContextService
) {
super(container, options);
}
notifyVisibilityChanged(visible: boolean): void {
if (visible === this.isHidden) {
this.isHidden = !visible;
if (visible && this.needsRedraw) {
this.render(this.needsRedraw === Redraw.Basic ? false : true);
this.needsRedraw = undefined;
}
}
}
notifyModelModeChanged(model: ITextModel): void {
this.handleModelEvent(model);
}
notifyModelAdded(model: ITextModel): void {
this.handleModelEvent(model);
}
private handleModelEvent(model: ITextModel): void {
const resource = toResource(this.label);
if (!resource) {
return; // only update if resource exists
}
if (isEqual(model.uri, resource)) {
if (this.lastKnownDetectedModeId !== model.getModeId()) {
this.render(true); // update if the language id of the model has changed from our last known state
}
}
}
notifyFileDecorationsChanges(e: IResourceDecorationChangeEvent): boolean {
if (!this.options) {
return false;
}
const resource = toResource(this.label);
if (!resource) {
return false;
}
if (this.options.fileDecorations && e.affectsResource(resource)) {
return this.render(false);
}
return false;
}
notifyExtensionsRegistered(): void {
this.render(true);
}
notifyThemeChange(): void {
this.render(false);
}
notifyFileAssociationsChange(): void {
this.render(true);
}
notifyFormattersChange(scheme: string): void {
if (toResource(this.label)?.scheme === scheme) {
this.render(false);
}
}
notifyUntitledLabelChange(resource: URI): void {
if (isEqual(resource, toResource(this.label))) {
this.render(false);
}
}
setFile(resource: URI, options?: IFileLabelOptions): void {
const hideLabel = options?.hideLabel;
let name: string | undefined;
if (!hideLabel) {
if (options?.fileKind === FileKind.ROOT_FOLDER) {
const workspaceFolder = this.contextService.getWorkspaceFolder(resource);
if (workspaceFolder) {
name = workspaceFolder.name;
}
}
if (!name) {
name = normalizeDriveLetter(basenameOrAuthority(resource));
}
}
let description: string | undefined;
if (!options?.hidePath) {
description = this.labelService.getUriLabel(dirname(resource), { relative: true });
}
this.setResource({ resource, name, description }, options);
}
setResource(label: IResourceLabelProps, options: IResourceLabelOptions = Object.create(null)): void {
const resource = toResource(label);
const isSideBySideEditor = label?.resource && !URI.isUri(label.resource);
if (!options.forceLabel && !isSideBySideEditor && resource?.scheme === Schemas.untitled) {
// Untitled labels are very dynamic because they may change
// whenever the content changes (unless a path is associated).
// As such we always ask the actual editor for it's name and
// description to get latest in case name/description are
// provided. If they are not provided from the label we got
// we assume that the client does not want to display them
// and as such do not override.
//
// We do not touch the label if it represents a primary-secondary
// because in that case we expect it to carry a proper label
// and description.
const untitledModel = this.textFileService.untitled.get(resource);
if (untitledModel && !untitledModel.hasAssociatedFilePath) {
if (typeof label.name === 'string') {
label.name = untitledModel.name;
}
if (typeof label.description === 'string') {
let untitledDescription = untitledModel.resource.path;
if (label.name !== untitledDescription) {
label.description = untitledDescription;
} else {
label.description = undefined;
}
}
let untitledTitle = untitledModel.resource.path;
if (untitledModel.name !== untitledTitle) {
options.title = `${untitledModel.name}${untitledTitle}`;
} else {
options.title = untitledTitle;
}
}
}
const hasPathLabelChanged = this.hasPathLabelChanged(label, options);
const clearIconCache = this.clearIconCache(label, options);
this.label = label;
this.options = options;
if (hasPathLabelChanged) {
this.computedPathLabel = undefined; // reset path label due to resource change
}
this.render(clearIconCache);
}
private clearIconCache(newLabel: IResourceLabelProps, newOptions?: IResourceLabelOptions): boolean {
const newResource = toResource(newLabel);
const oldResource = toResource(this.label);
const newFileKind = newOptions ? newOptions.fileKind : undefined;
const oldFileKind = this.options ? this.options.fileKind : undefined;
if (newFileKind !== oldFileKind) {
return true; // same resource but different kind (file, folder)
}
if (newResource && oldResource) {
return newResource.toString() !== oldResource.toString();
}
if (!newResource && !oldResource) {
return false;
}
return true;
}
private hasPathLabelChanged(newLabel: IResourceLabelProps, newOptions?: IResourceLabelOptions): boolean {
const newResource = toResource(newLabel);
return !!newResource && this.computedPathLabel !== this.labelService.getUriLabel(newResource);
}
clear(): void {
this.label = undefined;
this.options = undefined;
this.lastKnownDetectedModeId = undefined;
this.computedIconClasses = undefined;
this.computedPathLabel = undefined;
this.setLabel('');
}
private render(clearIconCache: boolean): boolean {
if (this.isHidden) {
if (!this.needsRedraw) {
this.needsRedraw = clearIconCache ? Redraw.Full : Redraw.Basic;
}
if (this.needsRedraw === Redraw.Basic && clearIconCache) {
this.needsRedraw = Redraw.Full;
}
return false;
}
if (this.label) {
const resource = toResource(this.label);
const detectedModeId = resource ? withNullAsUndefined(detectModeId(this.modelService, this.modeService, resource)) : undefined;
if (this.lastKnownDetectedModeId !== detectedModeId) {
clearIconCache = true;
this.lastKnownDetectedModeId = detectedModeId;
}
}
if (clearIconCache) {
this.computedIconClasses = undefined;
}
if (!this.label) {
return false;
}
this.renderDisposables.clear();
const iconLabelOptions: IIconLabelValueOptions & { extraClasses: string[] } = {
title: '',
italic: this.options?.italic,
strikethrough: this.options?.strikethrough,
matches: this.options?.matches,
descriptionMatches: this.options?.descriptionMatches,
extraClasses: [],
separator: this.options?.separator,
domId: this.options?.domId
};
const resource = toResource(this.label);
const label = this.label.name;
if (this.options && (this.options.title !== undefined)) {
iconLabelOptions.title = this.options.title;
} else if (resource && resource.scheme !== Schemas.data /* do not accidentally inline Data URIs */) {
if (!this.computedPathLabel) {
this.computedPathLabel = this.labelService.getUriLabel(resource);
}
iconLabelOptions.title = this.computedPathLabel;
}
if (this.options && !this.options.hideIcon) {
if (!this.computedIconClasses) {
this.computedIconClasses = getIconClasses(this.modelService, this.modeService, resource, this.options && this.options.fileKind);
}
iconLabelOptions.extraClasses = this.computedIconClasses.slice(0);
}
if (this.options?.extraClasses) {
iconLabelOptions.extraClasses.push(...this.options.extraClasses);
}
if (this.options?.fileDecorations && resource) {
const deco = this.decorationsService.getDecoration(
resource,
this.options.fileKind !== FileKind.FILE
);
if (deco) {
this.renderDisposables.add(deco);
if (deco.tooltip && (typeof iconLabelOptions.title === 'string')) {
iconLabelOptions.title = `${iconLabelOptions.title}${deco.tooltip}`;
}
if (this.options.fileDecorations.colors) {
iconLabelOptions.extraClasses.push(deco.labelClassName);
}
if (this.options.fileDecorations.badges) {
iconLabelOptions.extraClasses.push(deco.badgeClassName);
}
}
}
this.setLabel(label || '', this.label.description, iconLabelOptions);
this._onDidRender.fire();
return true;
}
dispose(): void {
super.dispose();
this.label = undefined;
this.options = undefined;
this.lastKnownDetectedModeId = undefined;
this.computedIconClasses = undefined;
this.computedPathLabel = undefined;
}
}