Files
Suwayomi-Server/webUI/react/src/components/reader/pager/PagedPager.tsx
T
Aria Moradi e97642d92a prevPage handle
* go back to previous chapter on page 0 when prevPage is triggered
2021-05-25 13:14:07 +04:30

91 lines
2.4 KiB
TypeScript

/*
* Copyright (C) Contributors to the Suwayomi project
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
import { makeStyles } from '@material-ui/core/styles';
import React, { useEffect, useRef } from 'react';
import Page from '../Page';
const useStyles = makeStyles({
reader: {
display: 'flex',
flexDirection: 'row',
justifyContent: 'center',
margin: '0 auto',
width: '100%',
height: '100vh',
},
});
export default function PagedReader(props: IReaderProps) {
const {
pages, settings, setCurPage, curPage, nextChapter, prevChapter,
} = props;
const classes = useStyles();
const selfRef = useRef<HTMLDivElement>(null);
function nextPage() {
if (curPage < pages.length - 1) {
setCurPage(curPage + 1);
} else if (settings.loadNextonEnding) {
nextChapter();
}
}
function prevPage() {
if (curPage > 0) { setCurPage(curPage - 1); } else if (curPage === 0) { prevChapter(); }
}
function keyboardControl(e:KeyboardEvent) {
switch (e.code) {
case 'Space':
e.preventDefault();
nextPage();
break;
case 'ArrowRight':
nextPage();
break;
case 'ArrowLeft':
prevPage();
break;
default:
break;
}
}
function clickControl(e:MouseEvent) {
if (e.clientX > window.innerWidth / 2) {
nextPage();
} else {
prevPage();
}
}
useEffect(() => {
document.addEventListener('keydown', keyboardControl);
selfRef.current?.addEventListener('click', clickControl);
return () => {
document.removeEventListener('keydown', keyboardControl);
selfRef.current?.removeEventListener('click', clickControl);
};
}, [selfRef, curPage]);
return (
<div ref={selfRef} className={classes.reader}>
<Page
key={curPage}
index={curPage}
src={pages[curPage].src}
setCurPage={setCurPage}
settings={settings}
/>
</div>
);
}