100 lines
2.5 KiB
TypeScript
100 lines
2.5 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import React, { useState, ReactElement, ReactNode } from 'react';
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import classNames from 'classnames';
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import { noop } from 'lodash';
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import { LocalizerType } from '../types/Util';
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import { ModalHost } from './ModalHost';
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import { Theme } from '../util/theme';
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import { getClassNamesFor } from '../util/getClassNamesFor';
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type PropsType = {
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children: ReactNode;
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hasXButton?: boolean;
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i18n: LocalizerType;
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moduleClassName?: string;
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onClose?: () => void;
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title?: ReactNode;
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theme?: Theme;
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};
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const BASE_CLASS_NAME = 'module-Modal';
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export function Modal({
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children,
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hasXButton,
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i18n,
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moduleClassName,
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onClose = noop,
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title,
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theme,
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}: Readonly<PropsType>): ReactElement {
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const [scrolled, setScrolled] = useState(false);
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const hasHeader = Boolean(hasXButton || title);
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const getClassName = getClassNamesFor(BASE_CLASS_NAME, moduleClassName);
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return (
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<ModalHost onClose={onClose} theme={theme}>
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<div
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className={classNames(
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getClassName(''),
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getClassName(hasHeader ? '--has-header' : '--no-header')
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)}
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>
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{hasHeader && (
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<div className={getClassName('__header')}>
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{hasXButton && (
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<button
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aria-label={i18n('close')}
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type="button"
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className={getClassName('__close-button')}
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tabIndex={0}
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onClick={() => {
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onClose();
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}}
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/>
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)}
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{title && (
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<h1
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className={classNames(
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getClassName('__title'),
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hasXButton ? getClassName('__title--with-x-button') : null
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)}
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>
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{title}
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</h1>
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)}
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</div>
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)}
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<div
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className={classNames(
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getClassName('__body'),
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scrolled ? getClassName('__body--scrolled') : null
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)}
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onScroll={event => {
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setScrolled((event.target as HTMLDivElement).scrollTop > 2);
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}}
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>
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{children}
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</div>
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</div>
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</ModalHost>
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);
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}
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Modal.Footer = ({
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children,
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moduleClassName,
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}: Readonly<{
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children: ReactNode;
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moduleClassName?: string;
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}>): ReactElement => (
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<div
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className={getClassNamesFor(BASE_CLASS_NAME, moduleClassName)('__footer')}
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>
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{children}
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</div>
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);
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