Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | 112x 112x 112x 1x 1x 1x 1x 1x 1x 112x 112x 1x 1x 1x 112x 81x 112x 81x | import GiveButton from "@shared/Button/GiveButton";
import React, { useRef, useState } from "react";
import { ArrowDownIcon } from "@phosphor-icons/react";
import { useInView } from "react-intersection-observer";
import { CustomTheme } from "@theme/v2/palette.interface";
export default function useHandleScroll({
defaultHasAgreed = false,
}: {
defaultHasAgreed?: boolean;
}) {
const containerRef = useRef<HTMLDivElement | null>(null);
const [enabledAgreementCheckbox, setEnabledAgreementCheckbox] =
useState(defaultHasAgreed);
const handleScroll = (e: React.UIEvent<HTMLElement>) => {
const { scrollTop, clientHeight, scrollHeight } = e.currentTarget;
const scrolledHeight = Math.ceil(scrollTop + clientHeight);
const totalScrollHeight = Math.ceil(scrollHeight);
const tolerance = 2;
Eif (
scrolledHeight >= totalScrollHeight - tolerance &&
!enabledAgreementCheckbox &&
!defaultHasAgreed
) {
setEnabledAgreementCheckbox(true);
}
};
const { ref, inView } = useInView({
threshold: 0.1,
});
const scrollToBottom = () => {
const container = containerRef.current;
Eif (container) {
container.scrollTo({
top: container.scrollHeight,
behavior: "smooth",
});
}
};
const scrollButton = (
<GiveButton
sx={(theme) => buttonStyle(!inView, theme)}
onClick={scrollToBottom}
label="Scroll to Bottom"
size="large"
variant="filled"
endIcon={<ArrowDownIcon size={18} color="white" />}
/>
);
return {
scrollButton,
handleScroll,
containerRef,
viewRef: ref,
enabledAgreementCheckbox,
setEnabledAgreementCheckbox,
inView,
};
}
const buttonStyle = (visible: boolean, theme: CustomTheme) => ({
margin: "0 auto",
bottom: "106px",
left: "calc( 50% - 66px )",
zIndex: 99,
borderRadius: `${theme.customs?.radius?.extraSmall}px`,
position: "absolute",
display: "flex",
opacity: visible ? 1 : 0,
visibility: visible ? "visible" : "hidden",
transition: "opacity 0.3s ease, visibility 0.3s ease",
});
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