73 lines
1.9 KiB
TypeScript
73 lines
1.9 KiB
TypeScript
import type { FC } from '../../lib/teact/teact';
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import React, { memo, useRef } from '../../lib/teact/teact';
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import { formatIntegerCompact } from '../../util/textFormat';
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import useLang from '../../hooks/useLang';
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import useContextMenuHandlers from '../../hooks/useContextMenuHandlers';
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import buildClassName from '../../util/buildClassName';
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import Menu from '../ui/Menu';
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import Button from '../ui/Button';
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import MenuItem from '../ui/MenuItem';
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import styles from './ScrollDownButton.module.scss';
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type OwnProps = {
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icon: string;
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ariaLabelLang: string;
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unreadCount?: number;
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onClick: VoidFunction;
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onReadAll?: VoidFunction;
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className?: string;
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};
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const ScrollDownButton: FC<OwnProps> = ({
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icon,
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ariaLabelLang,
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unreadCount,
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onClick,
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onReadAll,
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className,
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}) => {
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const lang = useLang();
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// eslint-disable-next-line no-null/no-null
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const ref = useRef<HTMLDivElement>(null);
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const {
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isContextMenuOpen,
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handleContextMenu,
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handleContextMenuClose,
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handleContextMenuHide,
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} = useContextMenuHandlers(ref, !onReadAll);
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return (
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<div className={buildClassName(styles.root, className)} ref={ref}>
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<Button
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color="secondary"
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round
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className={styles.button}
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onClick={onClick}
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onContextMenu={handleContextMenu}
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ariaLabel={lang(ariaLabelLang)}
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>
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<i className={buildClassName(styles.icon, 'icon', `icon-${icon}`)} />
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</Button>
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{Boolean(unreadCount) && <div className={styles.unreadCount}>{formatIntegerCompact(unreadCount)}</div>}
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{onReadAll && (
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<Menu
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isOpen={isContextMenuOpen}
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onClose={handleContextMenuClose}
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onCloseAnimationEnd={handleContextMenuHide}
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autoClose
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positionX="right"
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positionY="bottom"
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>
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<MenuItem icon="readchats" onClick={onReadAll}>{lang('MarkAllAsRead')}</MenuItem>
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</Menu>
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)}
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</div>
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);
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};
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export default memo(ScrollDownButton);
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