e97642d92a
* go back to previous chapter on page 0 when prevPage is triggered
91 lines
2.4 KiB
TypeScript
91 lines
2.4 KiB
TypeScript
/*
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* Copyright (C) Contributors to the Suwayomi project
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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import { makeStyles } from '@material-ui/core/styles';
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import React, { useEffect, useRef } from 'react';
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import Page from '../Page';
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const useStyles = makeStyles({
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reader: {
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display: 'flex',
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flexDirection: 'row',
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justifyContent: 'center',
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margin: '0 auto',
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width: '100%',
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height: '100vh',
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},
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});
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export default function PagedReader(props: IReaderProps) {
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const {
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pages, settings, setCurPage, curPage, nextChapter, prevChapter,
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} = props;
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const classes = useStyles();
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const selfRef = useRef<HTMLDivElement>(null);
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function nextPage() {
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if (curPage < pages.length - 1) {
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setCurPage(curPage + 1);
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} else if (settings.loadNextonEnding) {
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nextChapter();
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}
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}
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function prevPage() {
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if (curPage > 0) { setCurPage(curPage - 1); } else if (curPage === 0) { prevChapter(); }
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}
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function keyboardControl(e:KeyboardEvent) {
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switch (e.code) {
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case 'Space':
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e.preventDefault();
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nextPage();
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break;
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case 'ArrowRight':
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nextPage();
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break;
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case 'ArrowLeft':
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prevPage();
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break;
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default:
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break;
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}
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}
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function clickControl(e:MouseEvent) {
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if (e.clientX > window.innerWidth / 2) {
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nextPage();
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} else {
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prevPage();
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}
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}
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useEffect(() => {
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document.addEventListener('keydown', keyboardControl);
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selfRef.current?.addEventListener('click', clickControl);
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return () => {
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document.removeEventListener('keydown', keyboardControl);
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selfRef.current?.removeEventListener('click', clickControl);
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};
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}, [selfRef, curPage]);
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return (
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<div ref={selfRef} className={classes.reader}>
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<Page
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key={curPage}
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index={curPage}
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src={pages[curPage].src}
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setCurPage={setCurPage}
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settings={settings}
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/>
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</div>
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);
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}
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