103 lines
2.6 KiB
TypeScript
103 lines
2.6 KiB
TypeScript
import React from "react";
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import { isTablet } from "../../utils";
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import StyledBackdrop from "./Backdrop.styled";
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import { BackdropProps } from "./Backdrop.types";
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const Backdrop = (props: BackdropProps) => {
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const {
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visible,
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className,
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withBackground,
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withoutBlur,
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isAside,
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withoutBackground,
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isModalDialog,
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} = props;
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const backdropRef = React.useRef<HTMLDivElement | null>(null);
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const [needBackdrop, setNeedBackdrop] = React.useState(false);
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const [needBackground, setNeedBackground] = React.useState(false);
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const checkingExistBackdrop = React.useCallback(() => {
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if (visible) {
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const tablet = isTablet();
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const backdrops = document.querySelectorAll(".backdrop-active");
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const currentNeedBackdrop =
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backdrops.length < 1 || (isAside && backdrops.length <= 2) || false;
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let currentNeedBackground =
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(currentNeedBackdrop && ((tablet && !withoutBlur) || withBackground)) ||
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false;
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if (isAside && currentNeedBackdrop && !withoutBackground)
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currentNeedBackground = true;
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setNeedBackground(currentNeedBackground);
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setNeedBackdrop(currentNeedBackdrop);
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} else {
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setNeedBackground(false);
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setNeedBackdrop(false);
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}
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}, [visible, isAside, withBackground, withoutBlur, withoutBackground]);
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const modifyClassName = () => {
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const modifiedClass = ["backdrop-active", "not-selectable"];
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if (className) {
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if (typeof className !== "string") {
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className.forEach((c: string) => {
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if (!modifiedClass.includes(c)) {
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modifiedClass.push(c);
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}
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});
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} else {
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modifiedClass.push(className);
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}
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}
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return modifiedClass.join(" ");
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};
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const onTouchHandler = (e: React.TouchEvent<HTMLDivElement>) => {
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if (!isModalDialog) e.preventDefault();
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backdropRef.current?.click();
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};
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React.useEffect(() => {
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checkingExistBackdrop();
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}, [checkingExistBackdrop]);
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React.useEffect(() => {
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checkingExistBackdrop();
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}, [checkingExistBackdrop, visible, isAside, withBackground]);
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const modifiedClassName = modifyClassName();
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return visible && (needBackdrop || isAside) ? (
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<StyledBackdrop
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{...props}
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ref={backdropRef}
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className={modifiedClassName}
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needBackground={needBackground}
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visible={visible}
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onTouchMove={onTouchHandler}
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onTouchEnd={onTouchHandler}
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data-testid="backdrop"
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/>
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) : null;
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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 { Backdrop };
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