133 lines
3.3 KiB
JavaScript
133 lines
3.3 KiB
JavaScript
import React from "react";
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import PropTypes from "prop-types";
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import StyledBackdrop from "./styled-backdrop";
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class Backdrop extends React.Component {
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constructor(props) {
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super(props);
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this.state = {
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needBackdrop: false,
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needBackground: false,
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};
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this.backdropRef = React.createRef();
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}
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componentDidUpdate(prevProps) {
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if (
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prevProps.visible !== this.props.visible ||
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prevProps.isAside !== this.props.isAside ||
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prevProps.withBackground !== this.props.withBackground
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) {
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this.checkingExistBackdrop();
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}
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}
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componentDidMount() {
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this.checkingExistBackdrop();
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}
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checkingExistBackdrop = () => {
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const { visible, isAside, withBackground, withoutBlur, withoutBackground } =
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this.props;
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if (visible) {
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const isTablet = window.innerWidth < 1024;
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const backdrops = document.querySelectorAll(".backdrop-active");
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const needBackdrop =
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backdrops.length < 1 || (isAside && backdrops.length <= 2);
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let needBackground =
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needBackdrop && ((isTablet && !withoutBlur) || withBackground);
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if (isAside && needBackdrop && !withoutBackground) needBackground = true;
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this.setState({
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needBackdrop: needBackdrop,
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needBackground: needBackground,
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});
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} else {
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this.setState({
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needBackground: false,
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needBackdrop: false,
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});
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}
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};
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modifyClassName = () => {
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const { className } = this.props;
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let modifiedClass = "backdrop-active not-selectable";
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if (className) {
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if (typeof className !== "string") {
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if (!className.includes(modifiedClass)) {
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modifiedClass = className.push(modifiedClass);
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} else {
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modifiedClass = className;
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}
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} else {
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modifiedClass += ` ${className}`;
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}
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}
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return modifiedClass;
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};
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onTouchHandler = (e) => {
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const { isModalDialog } = this.props;
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!isModalDialog && e.preventDefault();
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this.backdropRef.current.click();
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};
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render() {
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const { needBackdrop, needBackground } = this.state;
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const { isAside, visible } = this.props;
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const modifiedClassName = this.modifyClassName();
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return visible && (needBackdrop || isAside) ? (
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<StyledBackdrop
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{...this.props}
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ref={this.backdropRef}
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className={modifiedClassName}
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needBackground={needBackground}
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visible={visible}
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onTouchMove={this.onTouchHandler}
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onTouchEnd={this.onTouchHandler}
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/>
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) : null;
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}
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}
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Backdrop.propTypes = {
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/** Sets visible or hidden */
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visible: PropTypes.bool,
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/** CSS z-index */
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zIndex: PropTypes.number,
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/** Accepts class */
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className: PropTypes.oneOfType([PropTypes.string, PropTypes.array]),
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/** Accepts id */
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id: PropTypes.string,
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/** Accepts css style */
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style: PropTypes.oneOfType([PropTypes.object, PropTypes.array]),
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/** Displays the background. *The background is not displayed if the viewport width is more than 1024 */
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withBackground: PropTypes.bool,
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/** Must be true if used with Aside component */
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isAside: PropTypes.bool,
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/** Must be true if used with Context menu */
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withoutBlur: PropTypes.bool,
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};
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Backdrop.defaultProps = {
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visible: false,
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zIndex: 203,
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withBackground: false,
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isAside: false,
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isModalDialog: false,
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withoutBlur: false,
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};
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export default Backdrop;
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