110 lines
2.7 KiB
TypeScript
110 lines
2.7 KiB
TypeScript
import React, { PureComponent } from 'react';
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import { createPortal } from 'react-dom';
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import { TransitionGroup, CSSTransition } from 'react-transition-group';
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import ModalBody from './ModalBody';
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import './index.scss';
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export interface IButton {
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text: string | React.ReactElement<string>;
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type?: 'default' | 'primary' | 'success' | 'info' | 'warning' | 'danger' | 'link';
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disabled?: boolean;
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onClick?(): void;
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}
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interface Props {
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isOpen?: boolean;
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title?: React.ReactNode;
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disableButtons?: boolean;
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hideButtons?: boolean;
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children: React.ReactNode;
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buttons?: IButton[];
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maxWidth?: number;
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handleClose(): void;
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}
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interface ModalStyle {
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width?: string;
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maxWidth?: string;
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}
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const Fade = ({ ...props }: any) => (
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<CSSTransition {...props} timeout={300} classNames="animate-modal" />
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);
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export default class Modal extends PureComponent<Props, {}> {
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public modalParent: HTMLElement;
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public modalBody: ModalBody;
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public componentDidUpdate(prevProps: Props) {
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if (prevProps.isOpen !== this.props.isOpen) {
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document.body.classList.toggle('no-scroll', !!this.props.isOpen);
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}
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}
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public componentDidMount() {
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const modalEl = document.getElementById('ModalContainer');
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if (modalEl) {
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this.modalParent = document.createElement('div');
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modalEl.appendChild(this.modalParent);
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}
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}
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public componentWillUnmount() {
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document.body.classList.remove('no-scroll');
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const modalEl = document.getElementById('ModalContainer');
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if (modalEl) {
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modalEl.removeChild(this.modalParent);
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}
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}
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public render() {
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const {
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isOpen,
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title,
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children,
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buttons,
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disableButtons,
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hideButtons,
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handleClose,
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maxWidth
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} = this.props;
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const hasButtons = buttons && buttons.length;
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const modalStyle: ModalStyle = {};
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if (maxWidth) {
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modalStyle.width = '100%';
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modalStyle.maxWidth = `${maxWidth}px`;
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}
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const modalBodyProps = {
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title,
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children,
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modalStyle,
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hasButtons,
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buttons,
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disableButtons,
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hideButtons,
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handleClose
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};
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const modal = (
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<TransitionGroup>
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{isOpen && (
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// Trap focus in modal by focusing the first element after the animation is complete
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<Fade onEntered={() => this.modalBody.firstTabStop.focus()}>
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<div>
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<div className="Modal-overlay" onClick={handleClose} />
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<ModalBody {...modalBodyProps} ref={div => (this.modalBody = div as ModalBody)} />
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</div>
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</Fade>
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)}
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</TransitionGroup>
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);
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if (this.modalParent) {
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return createPortal(modal, this.modalParent);
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} else {
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return modal;
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}
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}
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}
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