add view switcher #1

Manually merged
vutpov merged 1 commits from pov into master 2020-05-08 17:02:51 +07:00
18 changed files with 15074 additions and 242 deletions
Showing only changes of commit 3c81df65a7 - Show all commits

5
.babelrc Normal file
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{
"plugins": [
["import", { "libraryName": "antd", "libraryDirectory": "es", "style": "css" }] // `style: true` for less
]
}

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package-lock.json generated Normal file

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{
"name": "my-app",
"version": "0.1.0",
"private": true,
"name": "image-viewer",
"version": "0.1.2",
"private": false,
"dependencies": {
"@testing-library/jest-dom": "^4.2.4",
"@testing-library/react": "^9.3.2",
"@testing-library/user-event": "^7.1.2",
"@types/styled-components": "^5.1.0",
"antd": "^4.2.0",
"react": "^16.13.1",
"react-dom": "^16.13.1",
"react-scripts": "3.4.1"
"react-scripts": "3.4.1",
"react-spring": "^8.0.27",
"styled-components": "^5.1.0",
"typescript": "^3.8.3"
},
"scripts": {
"start": "react-scripts start",

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.App {
text-align: center;
}
.App-logo {
height: 40vmin;
pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
.App-logo {
animation: App-logo-spin infinite 20s linear;
}
}
.App-header {
background-color: #282c34;
min-height: 100vh;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
font-size: calc(10px + 2vmin);
color: white;
}
.App-link {
color: #61dafb;
}
@keyframes App-logo-spin {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}

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import React from 'react';
import logo from './logo.svg';
import './App.css';
import BookComponent from './components/BookComponent'
function App() {
return (
<div className="App">
<header className="App-header">
<img src={logo} className="App-logo" alt="logo" />
<p>
Edit <code>src/App.js</code> and save to reload.
</p>
<a
className="App-link"
href="https://reactjs.org"
target="_blank"
rel="noopener noreferrer"
>
Learn React
</a>
</header>
<div style={{
padding: "24px 0"
}}>
<BookComponent/>
</div>
</div>
);
}

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import React from 'react';
import { render } from '@testing-library/react';
import App from './App';
test('renders learn react link', () => {
const { getByText } = render(<App />);
const linkElement = getByText(/learn react/i);
expect(linkElement).toBeInTheDocument();
});

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import React, {createContext} from 'react'
import OnePageView from './OnePageView'
export const BookContext = createContext({})
export interface IBookPage {
src: string
alt?: string
thumbnail?: string
}
export const bookViewModes = [
{
text: 'One Page',
value: 'one page',
icon: ''
},
{
text: 'Two Pages',
value: 'two pages',
icon: ''
}
]
export enum BookViewMode {
onePage = 'one page',
twoPages = 'two pages'
}
export interface IBookContext {
currIndex?: number,
src?: IBookPage[],
flagToReverse?: boolean,
mode?: BookViewMode,
readonly setBookContextState: (newState: any)=> undefined
}
class BookComponent extends React.Component<any>{
constructor(props: any){
super(props)
this.state = {
currIndex: 0,
src: [],
flagToReverse: false,
mode: "one page",
setBookContextState: (newState: IBookContext)=>{
this.setState(oldState=> ({
...oldState,
...newState
}))
}
}
}
componentDidMount(){
fetch('https://picsum.photos/v2/list')
.then(response=>{
return response.json()
}).then(data=>{
data = data.map((item: any)=>{
return {
src: item.download_url,
alt: item.author
}
})
this.setState({
src: data
})
})
}
render(){
return <BookContext.Provider value={{...this.state}}>
<BookContext.Consumer>
{state=>(
<>
<OnePageView {...state}/>
</>
)}
</BookContext.Consumer>
</BookContext.Provider>
}
}
export default BookComponent

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import React from 'react'
import styled from 'styled-components'
import {Button, Popover} from 'antd'
import ViewSwitcher from './ViewSwitcher'
import JumpControls from './JumpControls'
const ControlsContanter = styled.div`
display: inline-flex;
justify-content: space-between;
width: 500px;
`
export default function BookCoponentsController(props: any) {
const {onPrevClick, prevDisable, onNextClick, nextDisable, ...restProps} = props
return (
<ControlsContanter>
<Button
onClick={()=>{
onPrevClick()
}}
disabled={prevDisable}
>
Previous
</Button>
<Button
onClick={()=>{
onNextClick()
}}
disabled={nextDisable}
>
Next
</Button>
<Popover
trigger="click"
content={<JumpControls {...restProps}/>}>
<Button>
Jump
</Button>
</Popover>
<ViewSwitcher {...restProps}/>
</ControlsContanter>
)
}

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import React, {useState, useCallback, useEffect} from 'react'
import {Row, Col, Slider, InputNumber} from 'antd'
const JumpControls = (props: any)=>{
const {src, currIndex, setBookContextState} = props
const [inputValue, setInputValue] = useState(currIndex)
const onChange = useCallback(
(value) => {
if(value){
const newCurrIndex = value -1
if(newCurrIndex < src.length && newCurrIndex >=0){
setBookContextState({
currIndex: value - 1,
flagToReverse: value < inputValue
})
}
}
},
[inputValue])
useEffect(()=>{
setInputValue(currIndex + 1)
}, [currIndex])
return <Row>
<Col span={12}>
<Slider
min={1}
max={src.length}
onChange={onChange}
value={typeof inputValue === 'number' ? inputValue : 0}
/>
</Col>
<Col span={4}>
<InputNumber
min={1}
max={src.length}
style={{ margin: '0 8px' }}
value={inputValue}
onChange={onChange}
/>
</Col>
</Row>
}
export default JumpControls

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import React, {useState, useCallback, useEffect} from 'react'
import {Transition, animated} from 'react-spring/renderprops'
import styled, { } from 'styled-components'
import BookComponentsController from './BookComponentsController'
const ComponentContainer = styled.div`
display: flex;
flex-direction: column;
overflowY: hidden;
align-items: center;
`
const PageContainer = styled.div`
height: 600px;
position: relative;
width: 100%;
cursor: pointer;
margin-bottom: 8px;
overflow-x: hidden;
& > div {
will-change: transform, opacity;
position: absolute;
width: 100%;
height: 100%;
}
`
const StyledImage = styled(animated.div)<{src:string}>`
width: 100%;
height: 100%;
display: flex;
justify-content: center;
align-items: center;
background: ${props=> `url('${props.src}')`} no-repeat center;
background-size: contain;
`
const PageComponent = (props: any)=>{
const {src} = props
return <StyledImage src={src}/>
}
function BookComponent(props: any) {
const {src, currIndex, setBookContextState, flagToReverse} = props
const [prevDisable, setPrevDisable] = useState(true)
const [nextDisable, setNextDisable] = useState(false)
const changePage = useCallback((indexToGo, goToPrevious)=>{
const newCurrIndex = currIndex + indexToGo
setBookContextState({
currIndex: newCurrIndex,
flagToReverse: goToPrevious
})
}, [currIndex])
useEffect(() => {
setNextDisable(currIndex >= src.length - 1)
setPrevDisable(currIndex <= 0)
}, [currIndex, src])
return (
<ComponentContainer>
<PageContainer>
<Transition
reset
unique
items={currIndex}
from={{opacity: 1, transform: flagToReverse? "translate3d(-50%, 0, 0)": "translate3d(100%, 0, 0)"}}
enter={{ opacity: 1, transform: "translate3d(0%, 0, 0)" }}
leave={{ opacity: 0, transform: flagToReverse? "translate3d(100%, 0, 0)": "translate3d(-50%, 0, 0)"}}
initial={{}}
>
{
currIndex=> style=>{
return(
<animated.div style={{
...style,
overflowX: 'hidden'
}}>
{React.createElement(()=><PageComponent src={src[currIndex]? src[currIndex].src: null}/>)}
</animated.div>
)
}
}
</Transition>
</PageContainer>
<BookComponentsController
prevDisable={prevDisable}
onPrevClick={()=> changePage(-1, true)}
nextDisable={nextDisable}
onNextClick={()=>changePage(1, false)}
{...props}
/>
</ComponentContainer>
)
}
export default BookComponent

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import React, {useCallback} from 'react'
import {Select} from 'antd'
import {IBookContext, bookViewModes} from './BookComponent'
const {Option} = Select
export default function ViewSwitcher(props: IBookContext) {
const {mode, setBookContextState} = props
const viewModeChange = useCallback((mode) => {
setBookContextState({
mode
})
},[])
return (
<Select value={mode} onSelect={viewModeChange}>
{
bookViewModes.map((item: any)=>{
return <Option value={item.value}>{item.text}</Option>
})
}
</Select>
)
}

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body {
margin: 0;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
code {
font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
monospace;
}

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import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import * as serviceWorker from './serviceWorker';
import 'antd/dist/antd.css';
ReactDOM.render(
<React.StrictMode>
<App />
</React.StrictMode>,
<App />,
document.getElementById('root')
);
// If you want your app to work offline and load faster, you can change
// unregister() to register() below. Note this comes with some pitfalls.
// Learn more about service workers: https://bit.ly/CRA-PWA
serviceWorker.unregister();

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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 841.9 595.3">
<g fill="#61DAFB">
<path d="M666.3 296.5c0-32.5-40.7-63.3-103.1-82.4 14.4-63.6 8-114.2-20.2-130.4-6.5-3.8-14.1-5.6-22.4-5.6v22.3c4.6 0 8.3.9 11.4 2.6 13.6 7.8 19.5 37.5 14.9 75.7-1.1 9.4-2.9 19.3-5.1 29.4-19.6-4.8-41-8.5-63.5-10.9-13.5-18.5-27.5-35.3-41.6-50 32.6-30.3 63.2-46.9 84-46.9V78c-27.5 0-63.5 19.6-99.9 53.6-36.4-33.8-72.4-53.2-99.9-53.2v22.3c20.7 0 51.4 16.5 84 46.6-14 14.7-28 31.4-41.3 49.9-22.6 2.4-44 6.1-63.6 11-2.3-10-4-19.7-5.2-29-4.7-38.2 1.1-67.9 14.6-75.8 3-1.8 6.9-2.6 11.5-2.6V78.5c-8.4 0-16 1.8-22.6 5.6-28.1 16.2-34.4 66.7-19.9 130.1-62.2 19.2-102.7 49.9-102.7 82.3 0 32.5 40.7 63.3 103.1 82.4-14.4 63.6-8 114.2 20.2 130.4 6.5 3.8 14.1 5.6 22.5 5.6 27.5 0 63.5-19.6 99.9-53.6 36.4 33.8 72.4 53.2 99.9 53.2 8.4 0 16-1.8 22.6-5.6 28.1-16.2 34.4-66.7 19.9-130.1 62-19.1 102.5-49.9 102.5-82.3zm-130.2-66.7c-3.7 12.9-8.3 26.2-13.5 39.5-4.1-8-8.4-16-13.1-24-4.6-8-9.5-15.8-14.4-23.4 14.2 2.1 27.9 4.7 41 7.9zm-45.8 106.5c-7.8 13.5-15.8 26.3-24.1 38.2-14.9 1.3-30 2-45.2 2-15.1 0-30.2-.7-45-1.9-8.3-11.9-16.4-24.6-24.2-38-7.6-13.1-14.5-26.4-20.8-39.8 6.2-13.4 13.2-26.8 20.7-39.9 7.8-13.5 15.8-26.3 24.1-38.2 14.9-1.3 30-2 45.2-2 15.1 0 30.2.7 45 1.9 8.3 11.9 16.4 24.6 24.2 38 7.6 13.1 14.5 26.4 20.8 39.8-6.3 13.4-13.2 26.8-20.7 39.9zm32.3-13c5.4 13.4 10 26.8 13.8 39.8-13.1 3.2-26.9 5.9-41.2 8 4.9-7.7 9.8-15.6 14.4-23.7 4.6-8 8.9-16.1 13-24.1zM421.2 430c-9.3-9.6-18.6-20.3-27.8-32 9 .4 18.2.7 27.5.7 9.4 0 18.7-.2 27.8-.7-9 11.7-18.3 22.4-27.5 32zm-74.4-58.9c-14.2-2.1-27.9-4.7-41-7.9 3.7-12.9 8.3-26.2 13.5-39.5 4.1 8 8.4 16 13.1 24 4.7 8 9.5 15.8 14.4 23.4zM420.7 163c9.3 9.6 18.6 20.3 27.8 32-9-.4-18.2-.7-27.5-.7-9.4 0-18.7.2-27.8.7 9-11.7 18.3-22.4 27.5-32zm-74 58.9c-4.9 7.7-9.8 15.6-14.4 23.7-4.6 8-8.9 16-13 24-5.4-13.4-10-26.8-13.8-39.8 13.1-3.1 26.9-5.8 41.2-7.9zm-90.5 125.2c-35.4-15.1-58.3-34.9-58.3-50.6 0-15.7 22.9-35.6 58.3-50.6 8.6-3.7 18-7 27.7-10.1 5.7 19.6 13.2 40 22.5 60.9-9.2 20.8-16.6 41.1-22.2 60.6-9.9-3.1-19.3-6.5-28-10.2zM310 490c-13.6-7.8-19.5-37.5-14.9-75.7 1.1-9.4 2.9-19.3 5.1-29.4 19.6 4.8 41 8.5 63.5 10.9 13.5 18.5 27.5 35.3 41.6 50-32.6 30.3-63.2 46.9-84 46.9-4.5-.1-8.3-1-11.3-2.7zm237.2-76.2c4.7 38.2-1.1 67.9-14.6 75.8-3 1.8-6.9 2.6-11.5 2.6-20.7 0-51.4-16.5-84-46.6 14-14.7 28-31.4 41.3-49.9 22.6-2.4 44-6.1 63.6-11 2.3 10.1 4.1 19.8 5.2 29.1zm38.5-66.7c-8.6 3.7-18 7-27.7 10.1-5.7-19.6-13.2-40-22.5-60.9 9.2-20.8 16.6-41.1 22.2-60.6 9.9 3.1 19.3 6.5 28.1 10.2 35.4 15.1 58.3 34.9 58.3 50.6-.1 15.7-23 35.6-58.4 50.6zM320.8 78.4z"/>
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1
src/react-app-env.d.ts vendored Normal file
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/// <reference types="react-scripts" />

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// This optional code is used to register a service worker.
// register() is not called by default.
// This lets the app load faster on subsequent visits in production, and gives
// it offline capabilities. However, it also means that developers (and users)
// will only see deployed updates on subsequent visits to a page, after all the
// existing tabs open on the page have been closed, since previously cached
// resources are updated in the background.
// To learn more about the benefits of this model and instructions on how to
// opt-in, read https://bit.ly/CRA-PWA
const isLocalhost = Boolean(
window.location.hostname === 'localhost' ||
// [::1] is the IPv6 localhost address.
window.location.hostname === '[::1]' ||
// 127.0.0.0/8 are considered localhost for IPv4.
window.location.hostname.match(
/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
)
);
export function register(config) {
if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
// The URL constructor is available in all browsers that support SW.
const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
if (publicUrl.origin !== window.location.origin) {
// Our service worker won't work if PUBLIC_URL is on a different origin
// from what our page is served on. This might happen if a CDN is used to
// serve assets; see https://github.com/facebook/create-react-app/issues/2374
return;
}
window.addEventListener('load', () => {
const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
if (isLocalhost) {
// This is running on localhost. Let's check if a service worker still exists or not.
checkValidServiceWorker(swUrl, config);
// Add some additional logging to localhost, pointing developers to the
// service worker/PWA documentation.
navigator.serviceWorker.ready.then(() => {
console.log(
'This web app is being served cache-first by a service ' +
'worker. To learn more, visit https://bit.ly/CRA-PWA'
);
});
} else {
// Is not localhost. Just register service worker
registerValidSW(swUrl, config);
}
});
}
}
function registerValidSW(swUrl, config) {
navigator.serviceWorker
.register(swUrl)
.then(registration => {
registration.onupdatefound = () => {
const installingWorker = registration.installing;
if (installingWorker == null) {
return;
}
installingWorker.onstatechange = () => {
if (installingWorker.state === 'installed') {
if (navigator.serviceWorker.controller) {
// At this point, the updated precached content has been fetched,
// but the previous service worker will still serve the older
// content until all client tabs are closed.
console.log(
'New content is available and will be used when all ' +
'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
);
// Execute callback
if (config && config.onUpdate) {
config.onUpdate(registration);
}
} else {
// At this point, everything has been precached.
// It's the perfect time to display a
// "Content is cached for offline use." message.
console.log('Content is cached for offline use.');
// Execute callback
if (config && config.onSuccess) {
config.onSuccess(registration);
}
}
}
};
};
})
.catch(error => {
console.error('Error during service worker registration:', error);
});
}
function checkValidServiceWorker(swUrl, config) {
// Check if the service worker can be found. If it can't reload the page.
fetch(swUrl, {
headers: { 'Service-Worker': 'script' },
})
.then(response => {
// Ensure service worker exists, and that we really are getting a JS file.
const contentType = response.headers.get('content-type');
if (
response.status === 404 ||
(contentType != null && contentType.indexOf('javascript') === -1)
) {
// No service worker found. Probably a different app. Reload the page.
navigator.serviceWorker.ready.then(registration => {
registration.unregister().then(() => {
window.location.reload();
});
});
} else {
// Service worker found. Proceed as normal.
registerValidSW(swUrl, config);
}
})
.catch(() => {
console.log(
'No internet connection found. App is running in offline mode.'
);
});
}
export function unregister() {
if ('serviceWorker' in navigator) {
navigator.serviceWorker.ready
.then(registration => {
registration.unregister();
})
.catch(error => {
console.error(error.message);
});
}
}

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// jest-dom adds custom jest matchers for asserting on DOM nodes.
// allows you to do things like:
// expect(element).toHaveTextContent(/react/i)
// learn more: https://github.com/testing-library/jest-dom
import '@testing-library/jest-dom/extend-expect';

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tsconfig.json Normal file
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{
"compilerOptions": {
"target": "es5",
"lib": [
"dom",
"dom.iterable",
"esnext"
],
"allowJs": true,
"skipLibCheck": true,
"esModuleInterop": true,
"allowSyntheticDefaultImports": true,
"strict": true,
"forceConsistentCasingInFileNames": true,
"module": "esnext",
"moduleResolution": "node",
"resolveJsonModule": true,
"isolatedModules": true,
"noEmit": true,
"jsx": "react"
},
"include": [
"src"
]
}