Files
azuredatastudio/extensions/notebook/src/book/bookTreeView.ts
2019-11-11 13:40:48 -05:00

326 lines
11 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as azdata from 'azdata';
import * as vscode from 'vscode';
import * as path from 'path';
import * as fs from 'fs-extra';
import { IPrompter, QuestionTypes, IQuestion } from '../prompts/question';
import CodeAdapter from '../prompts/adapter';
import { BookTreeItem } from './bookTreeItem';
import * as nls from 'vscode-nls';
import { isEditorTitleFree } from '../common/utils';
import { BookModel } from './bookModel';
import { Deferred } from '../common/promise';
const localize = nls.loadMessageBundle();
export class BookTreeViewProvider implements vscode.TreeDataProvider<BookTreeItem> {
private _onDidChangeTreeData: vscode.EventEmitter<BookTreeItem | undefined> = new vscode.EventEmitter<BookTreeItem | undefined>();
readonly onDidChangeTreeData: vscode.Event<BookTreeItem | undefined> = this._onDidChangeTreeData.event;
private _throttleTimer: any;
private _resource: string;
private _extensionContext: vscode.ExtensionContext;
private prompter: IPrompter;
private _initializeDeferred: Deferred<void> = new Deferred<void>();
// For testing
private _errorMessage: string;
private _onReadAllTOCFiles: vscode.EventEmitter<void> = new vscode.EventEmitter<void>();
private _openAsUntitled: boolean;
public viewId: string;
public books: BookModel[];
public currentBook: BookModel;
constructor(workspaceFolders: vscode.WorkspaceFolder[], extensionContext: vscode.ExtensionContext, openAsUntitled: boolean, view: string) {
this._openAsUntitled = openAsUntitled;
this._extensionContext = extensionContext;
this.books = [];
this.initialize(workspaceFolders.map(a => a.uri.fsPath));
this.viewId = view;
this.prompter = new CodeAdapter();
}
private async initialize(bookPaths: string[]): Promise<void> {
await vscode.commands.executeCommand('setContext', 'unsavedBooks', this._openAsUntitled);
await Promise.all(bookPaths.map(async (bookPath) => {
let book: BookModel = new BookModel(bookPath, this._openAsUntitled, this._extensionContext);
await book.initializeContents();
this.books.push(book);
if (!this.currentBook) {
this.currentBook = book;
}
}));
this._initializeDeferred.resolve();
}
public get onReadAllTOCFiles(): vscode.Event<void> {
return this._onReadAllTOCFiles.event;
}
public get initialized(): Promise<void> {
return this._initializeDeferred.promise;
}
async openBook(bookPath: string, urlToOpen?: string): Promise<void> {
try {
let books: BookModel[] = this.books.filter(book => book.bookPath === bookPath) || [];
// Check if the book is already open in viewlet.
if (books.length > 0 && books[0].bookItems) {
this.currentBook = books[0];
this.showPreviewFile(urlToOpen);
}
else {
await this.initialize([bookPath]);
let bookViewer = vscode.window.createTreeView(this.viewId, { showCollapseAll: true, treeDataProvider: this });
this.currentBook = this.books.filter(book => book.bookPath === bookPath)[0];
bookViewer.reveal(this.currentBook.bookItems[0], { expand: vscode.TreeItemCollapsibleState.Expanded, focus: true, select: true });
this.showPreviewFile(urlToOpen);
}
} catch (e) {
vscode.window.showErrorMessage(localize('openBookError', "Open book {0} failed: {1}",
bookPath,
e instanceof Error ? e.message : e));
}
}
async showPreviewFile(urlToOpen?: string): Promise<void> {
if (this.currentBook) {
const bookRoot = this.currentBook.bookItems[0];
const sectionToOpen = bookRoot.findChildSection(urlToOpen);
const urlPath = sectionToOpen ? sectionToOpen.url : bookRoot.tableOfContents.sections[0].url;
const sectionToOpenMarkdown: string = path.join(this.currentBook.bookPath, 'content', urlPath.concat('.md'));
const sectionToOpenNotebook: string = path.join(this.currentBook.bookPath, 'content', urlPath.concat('.ipynb'));
if (await fs.pathExists(sectionToOpenMarkdown)) {
this.openMarkdown(sectionToOpenMarkdown);
}
else if (await fs.pathExists(sectionToOpenNotebook)) {
this.openNotebook(sectionToOpenNotebook);
}
}
}
async openNotebook(resource: string): Promise<void> {
try {
if (this._openAsUntitled) {
this.openNotebookAsUntitled(resource);
}
else {
let doc = await vscode.workspace.openTextDocument(resource);
vscode.window.showTextDocument(doc);
}
} catch (e) {
vscode.window.showErrorMessage(localize('openNotebookError', "Open notebook {0} failed: {1}",
resource,
e instanceof Error ? e.message : e));
}
}
openMarkdown(resource: string): void {
this.runThrottledAction(resource, () => {
try {
vscode.commands.executeCommand('markdown.showPreview', vscode.Uri.file(resource));
} catch (e) {
vscode.window.showErrorMessage(localize('openMarkdownError', "Open markdown {0} failed: {1}",
resource,
e instanceof Error ? e.message : e));
}
});
}
openNotebookAsUntitled(resource: string): void {
try {
let untitledFileName: vscode.Uri = this.getUntitledNotebookUri(resource);
vscode.workspace.openTextDocument(resource).then((document) => {
let initialContent = document.getText();
azdata.nb.showNotebookDocument(untitledFileName, {
connectionProfile: null,
initialContent: initialContent,
initialDirtyState: false
});
});
} catch (e) {
vscode.window.showErrorMessage(localize('openUntitledNotebookError', "Open untitled notebook {0} as untitled failed: {1}",
resource,
e instanceof Error ? e.message : e));
}
}
async saveJupyterBooks(): Promise<void> {
if (this.currentBook.bookPath) {
const allFilesFilter = localize('allFiles', "All Files");
let filter: any = {};
filter[allFilesFilter] = '*';
let uris = await vscode.window.showOpenDialog({
filters: filter,
canSelectFiles: false,
canSelectMany: false,
canSelectFolders: true,
openLabel: localize('labelPickFolder', "Pick Folder")
});
if (uris && uris.length > 0) {
let pickedFolder = uris[0];
let destinationUri: vscode.Uri = vscode.Uri.file(path.join(pickedFolder.fsPath, path.basename(this.currentBook.bookPath)));
if (destinationUri) {
if (await fs.pathExists(destinationUri.fsPath)) {
let doReplace = await this.confirmReplace();
if (!doReplace) {
return undefined;
}
else {
//remove folder if exists
await fs.remove(destinationUri.fsPath);
}
}
//make directory for each contribution book.
await fs.mkdir(destinationUri.fsPath);
await fs.copy(this.currentBook.bookPath, destinationUri.fsPath);
//remove book from the untitled books and open it from Saved books
let untitledBookIndex: number = this.books.indexOf(this.currentBook);
if (untitledBookIndex > -1) {
this.books.splice(untitledBookIndex, 1);
this.currentBook = undefined;
this._onDidChangeTreeData.fire();
vscode.commands.executeCommand('bookTreeView.openBook', destinationUri.fsPath, false, undefined);
}
}
}
}
}
public async searchJupyterBooks(): Promise<void> {
if (this.currentBook && this.currentBook.bookPath) {
let filesToIncludeFiltered = path.join(this.currentBook.bookPath, '**', '*.md') + ',' + path.join(this.currentBook.bookPath, '**', '*.ipynb');
vscode.commands.executeCommand('workbench.action.findInFiles', { filesToInclude: filesToIncludeFiltered, query: '' });
}
}
private runThrottledAction(resource: string, action: () => void) {
const isResourceChange = resource !== this._resource;
if (isResourceChange) {
this.clearAndResetThrottleTimer();
}
this._resource = resource;
// Schedule update if none is pending
if (!this._throttleTimer) {
if (isResourceChange) {
action();
} else {
this._throttleTimer = setTimeout(() => {
action();
this.clearAndResetThrottleTimer();
}, 300);
}
}
}
private clearAndResetThrottleTimer(): void {
clearTimeout(this._throttleTimer);
this._throttleTimer = undefined;
}
openExternalLink(resource: string): void {
try {
vscode.env.openExternal(vscode.Uri.parse(resource));
} catch (e) {
vscode.window.showErrorMessage(localize('openExternalLinkError', "Open link {0} failed: {1}",
resource,
e instanceof Error ? e.message : e));
}
}
getTreeItem(element: BookTreeItem): vscode.TreeItem {
return element;
}
getChildren(element?: BookTreeItem): Thenable<BookTreeItem[]> {
if (element) {
if (element.sections) {
return Promise.resolve(this.currentBook.getSections(element.tableOfContents, element.sections, element.root).then(sections => { return sections; }));
} else {
return Promise.resolve([]);
}
} else {
let booksitems: BookTreeItem[] = [];
this.books.map(book => {
booksitems = booksitems.concat(book.bookItems);
});
return Promise.resolve(booksitems);
}
}
getParent(element?: BookTreeItem): vscode.ProviderResult<BookTreeItem> {
if (element) {
let parentPath;
if (element.root.endsWith('.md')) {
parentPath = path.join(this.currentBook.bookPath, 'content', 'readme.md');
if (parentPath === element.root) {
return undefined;
}
}
else if (element.root.endsWith('.ipynb')) {
let baseName: string = path.basename(element.root);
parentPath = element.root.replace(baseName, 'readme.md');
}
else {
return undefined;
}
return this.currentBook.getAllBooks().get(parentPath);
} else {
return undefined;
}
}
public get errorMessage() {
return this._errorMessage;
}
getUntitledNotebookUri(resource: string): vscode.Uri {
let untitledFileName: vscode.Uri;
if (process.platform === 'win32') {
let title = path.join(path.dirname(resource), this.findNextUntitledFileName(resource));
untitledFileName = vscode.Uri.parse(`untitled:${title}`);
}
else {
untitledFileName = vscode.Uri.parse(resource).with({ scheme: 'untitled' });
}
if (!this.currentBook.getAllBooks().get(untitledFileName.fsPath) && !this.currentBook.getAllBooks().get(path.basename(untitledFileName.fsPath))) {
let notebook = this.currentBook.getAllBooks().get(resource);
this.currentBook.getAllBooks().set(path.basename(untitledFileName.fsPath), notebook);
}
return untitledFileName;
}
findNextUntitledFileName(filePath: string): string {
const baseName = path.basename(filePath);
let idx = 0;
let title;
do {
const suffix = idx === 0 ? '' : `-${idx}`;
title = `${baseName}${suffix}`;
idx++;
} while (!isEditorTitleFree(title));
return title;
}
//Confirmation message dialog
private async confirmReplace(): Promise<boolean> {
return await this.prompter.promptSingle<boolean>(<IQuestion>{
type: QuestionTypes.confirm,
message: localize('confirmReplace', "Folder already exists. Are you sure you want to delete and replace this folder?"),
default: false
});
}
}