Files
nahodka-front/src/components/feed/RewardPopup.jsx
2026-09-10 00:57:31 +03:00

69 lines
2.5 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import { useEffect, useRef, useLayoutEffect, useState } from "react";
import { createPortal } from "react-dom";
import { useTranslation } from "react-i18next";
/**
* Всплывающее окно с текстом вознаграждения (rewardText).
* Открывается под/рядом с кнопкой-якорем, закрывается по клику мимо или Esc.
*/
export default function RewardPopup({ text, anchorRef, onClose }) {
const { t } = useTranslation();
const ref = useRef(null);
const [coords, setCoords] = useState(null);
useLayoutEffect(() => {
if (!anchorRef?.current || !ref.current) return;
const anchorRect = anchorRef.current.getBoundingClientRect();
const popupRect = ref.current.getBoundingClientRect();
const gap = 8;
const margin = 10;
// Всплываем слева сверху от кнопки (как календарь): низ попапа — у верха якоря,
// правая грань попапа выравнивается по правой грани кнопки.
let top = anchorRect.top + window.scrollY - popupRect.height - gap;
const minTop = window.scrollY + margin;
if (top < minTop) top = minTop;
let left = anchorRect.right + window.scrollX - popupRect.width;
const minLeft = window.scrollX + margin;
if (left < minLeft) left = minLeft;
setCoords({ top, left });
}, [anchorRef]);
useEffect(() => {
const onDown = (e) => {
const inAnchor = anchorRef?.current?.contains(e.target);
const inPopup = ref.current?.contains(e.target);
if (!inAnchor && !inPopup) onClose();
};
const onKey = (e) => {
if (e.key === "Escape") onClose();
};
document.addEventListener("mousedown", onDown);
document.addEventListener("keydown", onKey);
return () => {
document.removeEventListener("mousedown", onDown);
document.removeEventListener("keydown", onKey);
};
}, [onClose, anchorRef]);
return createPortal(
<div
className="f-reward-popup"
ref={ref}
role="tooltip"
style={{
position: "absolute",
top: coords?.top ?? 0,
left: coords?.left ?? 0,
zIndex: 1000,
visibility: coords ? "visible" : "hidden",
}}
>
<div className="f-reward-popup-title">💛 {t("postCard.reward")}</div>
<div className="f-reward-popup-text">{text}</div>
</div>,
document.body
);
}