MyCrypto/common/components/ui/Modal.tsx

146 lines
3.8 KiB
TypeScript

import closeIcon from 'assets/images/close.svg';
import React, { PureComponent } from 'react';
import { CSSTransition, TransitionGroup } from 'react-transition-group';
import './Modal.scss';
export interface IButton {
text: string | React.ReactElement<string>;
type?: 'default' | 'primary' | 'success' | 'info' | 'warning' | 'danger' | 'link';
disabled?: boolean;
onClick?(): void;
}
interface Props {
isOpen?: boolean;
title?: string | React.ReactElement<any>;
disableButtons?: boolean;
children: any;
buttons?: IButton[];
maxWidth?: number;
handleClose?(): void;
}
interface ModalStyle {
width?: string;
maxWidth?: string;
}
const Fade = ({ children, ...props }) => (
<CSSTransition {...props} timeout={300} classNames="animate-modal">
{children}
</CSSTransition>
);
export default class Modal extends PureComponent<Props, {}> {
private modalContent: HTMLElement | null = null;
public componentDidMount() {
this.updateBodyClass();
document.addEventListener('keydown', this.escapeListner);
}
public componentDidUpdate() {
this.updateBodyClass();
}
public updateBodyClass() {
document.body.classList.toggle('no-scroll', !!this.props.isOpen);
}
public componentWillUnmount() {
document.removeEventListener('keydown', this.escapeListner);
document.body.classList.remove('no-scroll');
}
public render() {
const { isOpen, title, children, buttons, handleClose, maxWidth } = this.props;
const hasButtons = buttons && buttons.length;
const modalStyle: ModalStyle = {};
if (maxWidth) {
modalStyle.width = '100%';
modalStyle.maxWidth = `${maxWidth}px`;
}
return (
<TransitionGroup>
{isOpen && (
<Fade>
<div>
<div className="Modalshade" />
<div className="Modal" style={modalStyle}>
{title && (
<div className="Modal-header flex-wrapper">
<h2 className="Modal-header-title">{title}</h2>
<div className="flex-spacer" />
<button className="Modal-header-close" onClick={handleClose}>
<img className="Modal-header-close-icon" src={closeIcon} />
</button>
</div>
)}
<div className="Modal-content" ref={el => (this.modalContent = el)}>
{isOpen && children}
<div className="Modal-fade" />
</div>
{hasButtons && <div className="Modal-footer">{this.renderButtons()}</div>}
</div>
</div>
</Fade>
)}
</TransitionGroup>
);
}
public scrollContentToTop = () => {
if (this.modalContent) {
this.modalContent.scrollTop = 0;
}
};
private escapeListner = (ev: KeyboardEvent) => {
// Don't trigger if they hit escape while on an input
if (ev.target) {
if (
(ev.target as HTMLElement).tagName === 'INPUT' ||
(ev.target as HTMLElement).tagName === 'SELECT' ||
(ev.target as HTMLElement).tagName === 'TEXTAREA' ||
(ev.target as HTMLElement).isContentEditable
) {
return;
}
}
if (ev.key === 'Escape' || ev.keyCode === 27) {
if (!this.props.handleClose) {
return;
}
this.props.handleClose();
}
};
private renderButtons = () => {
const { disableButtons, buttons } = this.props;
if (!buttons || !buttons.length) {
return;
}
return buttons.map((btn, idx) => {
let btnClass = 'Modal-footer-btn btn';
if (btn.type) {
btnClass += ` btn-${btn.type}`;
}
return (
<button
className={btnClass}
onClick={btn.onClick}
key={idx}
disabled={disableButtons || btn.disabled}
>
{btn.text}
</button>
);
});
};
}