gristlabs_grist-core/app/client/ui/DocTutorial.ts

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import {GristDoc} from 'app/client/components/GristDoc';
import {getWelcomeHomeUrl, urlState} from 'app/client/models/gristUrlState';
import {renderer} from 'app/client/ui/DocTutorialRenderer';
import {cssPopupBody, FloatingPopup} from 'app/client/ui/FloatingPopup';
import {sanitizeHTML} from 'app/client/ui/sanitizeHTML';
import {hoverTooltip, setHoverTooltip} from 'app/client/ui/tooltips';
import {basicButton, primaryButton} from 'app/client/ui2018/buttons';
import {mediaXSmall, theme, vars} from 'app/client/ui2018/cssVars';
import {icon} from 'app/client/ui2018/icons';
import {loadingSpinner} from 'app/client/ui2018/loaders';
import {confirmModal, modal} from 'app/client/ui2018/modals';
import {parseUrlId} from 'app/common/gristUrls';
import {dom, makeTestId, Observable, styled} from 'grainjs';
import {marked} from 'marked';
import debounce = require('lodash/debounce');
import range = require('lodash/range');
import sortBy = require('lodash/sortBy');
interface DocTutorialSlide {
slideContent: string;
boxContent?: string;
slideTitle?: string;
imageUrls: string[];
}
const testId = makeTestId('test-doc-tutorial-');
const TOOLTIP_KEY = 'docTutorialTooltip';
export class DocTutorial extends FloatingPopup {
private _appModel = this._gristDoc.docPageModel.appModel;
private _currentDoc = this._gristDoc.docPageModel.currentDoc.get();
private _docComm = this._gristDoc.docComm;
private _docData = this._gristDoc.docData;
private _docId = this._gristDoc.docId();
private _slides: Observable<DocTutorialSlide[] | null> = Observable.create(this, null);
private _currentSlideIndex = Observable.create(this,
this._currentDoc?.forks?.[0]?.options?.tutorial?.lastSlideIndex ?? 0);
private _saveCurrentSlidePositionDebounced = debounce(this._saveCurrentSlidePosition, 1000, {
// Save new position immediately if at least 1 second has passed since the last change.
leading: true,
// Otherwise, wait for the new position to settle for 1 second before saving it.
trailing: true
});
constructor(private _gristDoc: GristDoc) {
super({stopClickPropagationOnMove: true});
}
public async start() {
this.showPopup();
await this._loadSlides();
const tableData = this._docData.getTable('GristDocTutorial');
if (tableData) {
this.autoDispose(tableData.tableActionEmitter.addListener(() => this._reloadSlides()));
}
}
protected _buildTitle() {
return dom('span', dom.text(this._gristDoc.docPageModel.currentDocTitle), testId('popup-header'));
}
protected _buildContent() {
return [
dom.domComputed(use => {
const slides = use(this._slides);
const slideIndex = use(this._currentSlideIndex);
const slide = slides?.[slideIndex];
return cssPopupBody(
!slide ? cssSpinner(loadingSpinner()) : [
dom('div', elem => {
elem.innerHTML = slide.slideContent;
}),
!slide.boxContent ? null : cssTryItOutBox(
dom('div', elem => { elem.innerHTML = slide.boxContent!; }),
),
dom.on('click', (ev) => {
if((ev.target as HTMLElement).tagName !== 'IMG') {
return;
}
this._openLightbox((ev.target as HTMLImageElement).src);
}),
this._initializeImages(),
],
testId('popup-body'),
);
}),
cssPopupFooter(
dom.domComputed(use => {
const slides = use(this._slides);
if (!slides) { return null; }
const slideIndex = use(this._currentSlideIndex);
const numSlides = slides.length;
const isFirstSlide = slideIndex === 0;
const isLastSlide = slideIndex === numSlides - 1;
return [
cssFooterButtonsLeft(
cssPopupFooterButton(icon('Undo'),
hoverTooltip('Restart Tutorial', {key: TOOLTIP_KEY}),
dom.on('click', () => this._restartTutorial()),
testId('popup-restart'),
),
),
cssProgressBar(
range(slides.length).map((i) => cssProgressBarDot(
hoverTooltip(slides[i].slideTitle, {
closeOnClick: false,
key: TOOLTIP_KEY,
}),
cssProgressBarDot.cls('-current', i === slideIndex),
i === slideIndex ? null : dom.on('click', () => this._changeSlide(i)),
testId(`popup-slide-${i + 1}`),
)),
),
cssFooterButtonsRight(
basicButton('Previous',
dom.on('click', async () => {
await this._previousSlide();
}),
{style: `visibility: ${isFirstSlide ? 'hidden' : 'visible'}`},
testId('popup-previous'),
),
primaryButton(isLastSlide ? 'Finish': 'Next',
isLastSlide
? dom.on('click', async () => await this._finishTutorial())
: dom.on('click', async () => await this._nextSlide()),
testId('popup-next'),
),
),
];
}),
testId('popup-footer'),
),
];
}
protected _buildArgs() {
return [
dom.cls('doc-tutorial-popup'),
testId('popup'),
// Pre-fetch images from all slides and store them in a hidden div.
dom.maybe(this._slides, slides =>
dom('div',
{style: 'display: none;'},
dom.forEach(slides, slide => {
if (slide.imageUrls.length === 0) { return null; }
return dom('div', slide.imageUrls.map(src => dom('img', {src})));
}),
),
),
];
}
private async _loadSlides() {
const tableId = 'GristDocTutorial';
if (!this._docData.getTable(tableId)) {
throw new Error('DocTutorial failed to find table GristDocTutorial');
}
await this._docComm.waitForInitialization();
if (this.isDisposed()) { return; }
await this._docData.fetchTable(tableId);
if (this.isDisposed()) { return; }
const tableData = this._docData.getTable(tableId)!;
const slides = (await Promise.all(
sortBy(tableData.getRowIds(), tableData.getRowPropFunc('manualSort') as any)
.map(async rowId => {
let slideTitle: string | undefined;
const imageUrls: string[] = [];
const getValue = (colId: string): string | undefined => {
const value = tableData.getValue(rowId, colId);
return value ? String(value) : undefined;
};
const walkTokens = (token: marked.Token) => {
if (token.type === 'image') {
imageUrls.push(token.href);
}
if (!slideTitle && token.type === 'heading' && token.depth === 1) {
slideTitle = token.text;
}
};
let slideContent = getValue('slide_content');
if (!slideContent) { return null; }
slideContent = sanitizeHTML(await marked.parse(slideContent, {
async: true, renderer, walkTokens
}));
let boxContent = getValue('box_content');
if (boxContent) {
boxContent = sanitizeHTML(await marked.parse(boxContent, {
async: true, renderer, walkTokens
}));
}
return {
slideContent,
boxContent,
slideTitle,
imageUrls,
};
})
)).filter(slide => slide !== null) as DocTutorialSlide[];
if (this.isDisposed()) { return; }
if (slides.length === 0) {
throw new Error('DocTutorial failed to find slides in table GristDocTutorial');
}
this._slides.set(slides);
}
private async _reloadSlides() {
await this._loadSlides();
const slides = this._slides.get();
if (!slides) { return; }
if (this._currentSlideIndex.get() > slides.length - 1) {
this._currentSlideIndex.set(slides.length - 1);
}
}
private async _saveCurrentSlidePosition() {
const currentOptions = this._currentDoc?.options ?? {};
await this._appModel.api.updateDoc(this._docId, {
options: {
...currentOptions,
tutorial: {
lastSlideIndex: this._currentSlideIndex.get(),
}
}
});
}
private async _changeSlide(slideIndex: number) {
this._currentSlideIndex.set(slideIndex);
await this._saveCurrentSlidePositionDebounced();
}
private async _previousSlide() {
await this._changeSlide(this._currentSlideIndex.get() - 1);
}
private async _nextSlide() {
await this._changeSlide(this._currentSlideIndex.get() + 1);
}
private async _finishTutorial() {
this._saveCurrentSlidePositionDebounced.cancel();
await this._saveCurrentSlidePosition();
const lastVisitedOrg = this._appModel.lastVisitedOrgDomain.get();
if (lastVisitedOrg) {
await urlState().pushUrl({org: lastVisitedOrg});
} else {
window.location.assign(getWelcomeHomeUrl());
}
}
private async _restartTutorial() {
const doRestart = async () => {
const urlId = this._currentDoc!.id;
const {trunkId} = parseUrlId(urlId);
const docApi = this._appModel.api.getDocAPI(urlId);
await docApi.replace({sourceDocId: trunkId, resetTutorialMetadata: true});
};
confirmModal(
'Do you want to restart the tutorial? All progress will be lost.',
'Restart',
doRestart,
{
modalOptions: {
backerDomArgs: [
// Stack modal above the tutorial popup.
dom.style('z-index', vars.tutorialModalZIndex.toString()),
],
},
}
);
}
private _initializeImages() {
return (element: HTMLElement) => {
setTimeout(() => {
const imgs = element.querySelectorAll('img');
for (const img of imgs) {
// Re-assigning src to itself is a neat way to restart a GIF.
// eslint-disable-next-line no-self-assign
img.src = img.src;
setHoverTooltip(img, 'Click to expand', {
key: TOOLTIP_KEY,
modifiers: {
flip: {
boundariesElement: 'scrollParent',
},
},
placement: 'bottom',
});
}
}, 0);
};
}
private _openLightbox(src: string) {
modal((ctl) => {
this.onDispose(ctl.close);
return [
cssFullScreenModal.cls(''),
cssModalCloseButton('CrossBig',
dom.on('click', () => ctl.close()),
testId('lightbox-close'),
),
cssModalContent(cssModalImage({src}, testId('lightbox-image'))),
dom.on('click', (ev, elem) => void (ev.target === elem ? ctl.close() : null)),
testId('lightbox'),
];
}, {
backerDomArgs: [
// Stack modal above the tutorial popup.
dom.style('z-index', vars.tutorialModalZIndex.toString()),
],
});
}
}
const cssPopupFooter = styled('div', `
display: flex;
column-gap: 24px;
align-items: center;
justify-content: space-between;
flex-shrink: 0;
padding: 24px 16px 24px 16px;
border-top: 1px solid ${theme.tutorialsPopupBorder};
`);
const cssTryItOutBox = styled('div', `
margin-top: 16px;
padding: 24px;
border-radius: 4px;
background-color: ${theme.tutorialsPopupBoxBg};
`);
const cssPopupFooterButton = styled('div', `
--icon-color: ${theme.controlSecondaryFg};
padding: 4px;
border-radius: 4px;
cursor: pointer;
&:hover {
background-color: ${theme.hover};
}
`);
const cssProgressBar = styled('div', `
display: flex;
gap: 8px;
flex-grow: 1;
flex-wrap: wrap;
`);
const cssProgressBarDot = styled('div', `
width: 10px;
height: 10px;
border-radius: 5px;
align-self: center;
cursor: pointer;
background-color: ${theme.progressBarBg};
&-current {
cursor: default;
background-color: ${theme.progressBarFg};
}
`);
const cssFooterButtonsLeft = styled('div', `
flex-shrink: 0;
`);
const cssFooterButtonsRight = styled('div', `
display: flex;
justify-content: flex-end;
column-gap: 8px;
flex-shrink: 0;
min-width: 140px;
@media ${mediaXSmall} {
& {
flex-direction: column;
row-gap: 8px;
column-gap: 0px;
min-width: 0px;
}
}
`);
const cssFullScreenModal = styled('div', `
display: flex;
flex-direction: column;
row-gap: 8px;
background-color: initial;
width: 100%;
height: 100%;
border: none;
border-radius: 0px;
box-shadow: none;
padding: 0px;
`);
const cssModalCloseButton = styled(icon, `
align-self: flex-end;
flex-shrink: 0;
height: 24px;
width: 24px;
cursor: pointer;
--icon-color: ${theme.modalBackdropCloseButtonFg};
&:hover {
--icon-color: ${theme.modalBackdropCloseButtonHoverFg};
}
`);
const cssModalContent = styled('div', `
align-self: center;
min-height: 0;
margin-top: auto;
margin-bottom: auto;
`);
const cssModalImage = styled('img', `
height: 100%;
max-width: min(100%, 1200px);
`);
const cssSpinner = styled('div', `
display: flex;
justify-content: center;
align-items: center;
height: 100%;
`);