254 lines
7.3 KiB
TypeScript
254 lines
7.3 KiB
TypeScript
/* eslint-disable jsx-a11y/no-noninteractive-element-interactions */
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/* eslint-disable jsx-a11y/click-events-have-key-events */
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import React, { useState, useRef, useImperativeHandle, forwardRef, type Ref } from "react";
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import { createPortal } from "react-dom";
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import { X } from "~/components/ui/icons";
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import { clsn } from "~/utils";
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const parseMeta = (metaStr: string) => {
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try {
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const meta = JSON.parse(metaStr as string);
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if (!meta) {
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return undefined;
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}
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if ("FNumber" in meta) {
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const parts = (meta.FNumber as string).split("/"); // 分割字符串
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const numerator = parseFloat(parts[0]); // 获取分子
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const denominator = parseFloat(parts[1]); // 获取分母
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meta.FNumber = numerator / denominator; // 计算结果
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}
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return meta as Record<string, string | number>;
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} catch (e) {
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return undefined;
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}
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};
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export interface LightBoxProps {
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className?: string;
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list: Array<API.Media.IMediaData>;
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}
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export interface LightBoxInst {
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open: (index: number) => void;
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}
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function LightBox({ className, list }: LightBoxProps, ref: Ref<LightBoxInst>) {
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const [state, setState] = useState({
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loading: false,
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visible: false,
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current: 0,
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fadeOut: false,
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});
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const selectorRef = useRef<HTMLDivElement | null>(null);
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let lastScrollTime = 0;
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useImperativeHandle(ref, () => ({
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open: (index: number) => {
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setState({ ...state, loading: true, visible: true, current: index });
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},
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}));
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const isFirstItem = state.current === 0;
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const isLastItem = state.current === list.length - 1;
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const onPrev = (ev: React.MouseEvent) => {
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ev.stopPropagation();
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if (isFirstItem) {
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return;
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}
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setState({ ...state, loading: true, current: state.current - 1 });
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};
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const onNext = (ev: React.MouseEvent) => {
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ev.stopPropagation();
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if (isLastItem) {
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return;
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}
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setState({ ...state, loading: true, current: state.current + 1 });
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};
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const onClickThumb = (ev: React.MouseEvent, index: number) => {
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ev.stopPropagation();
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setState({ ...state, loading: true, current: index });
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selectorRef.current?.children[state.current].scrollIntoView({
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block: "nearest",
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inline: "center",
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behavior: "smooth",
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});
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};
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const onLoad = () => {
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setState({ ...state, loading: false });
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};
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const onClose = () => {
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if (state.fadeOut) {
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return;
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}
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setState({ ...state, fadeOut: true });
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setTimeout(() => {
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setState({ ...state, visible: false, fadeOut: false });
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}, 300);
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};
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const onScroll = (ev: React.WheelEvent) => {
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ev.stopPropagation();
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ev.preventDefault();
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const now = Date.now();
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if (now - lastScrollTime < 500) {
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return;
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}
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lastScrollTime = now;
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if (ev.deltaY < 0) {
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onPrev(ev);
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} else {
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onNext(ev);
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}
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};
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if (!state.visible && !state.fadeOut) {
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return null;
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}
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const item = list[state.current];
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if (!item) {
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return null;
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}
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const title = item.title;
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const desc = item.content;
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const src = item.url;
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const isVideo = src.includes("mp4");
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const meta = parseMeta(item.meta as string);
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return createPortal(
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<div
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className={clsn(
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"fixed inset-0 z-50 flex flex-col bg-orange-50 overflow-auto animate-fade-in",
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state.fadeOut && "animate-fade-out",
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state.loading && "loading",
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className,
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)}
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>
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<div className="md:flex md:flex-row flex-1 overflow-auto">
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<div
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className="h-[calc(100%-6em)] md:h-auto flex-1 flex flex-col"
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onWheel={onScroll}
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>
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<div className="flex-1 flex relative p-4" role="img" aria-label={title} onClick={onClose}>
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<button className="absolute top-4 left-4 z-2 p-2 rounded-xl text-xl font-semibold text-pink-700 bg-black/60 cursor-pointer" onClick={onClose}>
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<X className="w-6 h-6" />
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</button>
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{isVideo ? (
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<video
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src={src}
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controls
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autoPlay
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onLoadedMetadata={onLoad}
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className="m-auto max-w-full max-h-full cursor-zoom-out absolute rounded-xl bg-gray-800"
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/>
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) : (
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<img
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src={src}
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alt={item.title}
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onLoad={onLoad}
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className="m-auto max-w-[calc(100%-2rem)] md:max-h-[calc(100%-2rem)] inset-0 cursor-zoom-out absolute rounded-xl bg-gray-800"
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/>
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)}
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</div>
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<div
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ref={selectorRef}
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className="flex gap-2 p-4 overflow-auto bg-black/10"
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>
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{list.map((item, index) => (
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<img
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key={item.id}
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src={item.thumb_url}
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alt={item.title}
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className={clsn(
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"w-16 h-16 cursor-pointer border-3 rounded-xl",
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state.current === index ? "border-pink-400" : "border-transparent"
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)}
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onClick={(ev) => onClickThumb(ev, index)}
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/>
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))}
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</div>
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</div>
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<div className="md:w-96 overflow-y-auto p-4 sm:p-6 bg-white">
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<h2 className="text-2xl/tight font-bold mb-1">{title}</h2>
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<p className="opacity-50 mb-6">
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<small>{item.take_time}</small>
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</p>
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<p className="whitespace-pre-wrap leading-relaxed mb-6">{desc}</p>
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{meta && (
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<div className="grid gap-4 text-center mb-6 grid-cols-2">
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<div className="flex gap-2 p-4 rounded-xl bg-cyan-50">
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<i className="ri ri-camera-fill opacity-60 text-xl"></i>
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{meta.Model}
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</div>
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<div className="flex gap-2 p-4 rounded-xl bg-cyan-50">
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<i className="ri ri-cpu-fill opacity-60 text-xl"></i>
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{meta.Make}
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</div>
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<div className="flex gap-2 p-4 rounded-xl bg-cyan-50">
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<i className="ri ri-user-2-fill opacity-60 text-xl"></i>
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{meta.Artist}
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</div>
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<div className="flex gap-2 p-4 rounded-xl bg-cyan-50">
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<i className="ri ri-focus-3-fill opacity-60 text-xl"></i>
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{meta.FocalLengthIn35mmFilm} mm
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</div>
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<div className="flex gap-2 p-4 rounded-xl bg-cyan-50">
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<i className="ri ri-eye-2-fill opacity-60 text-xl"></i>
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F/{meta.FNumber}
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</div>
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<div className="flex gap-2 p-4 rounded-xl bg-cyan-50">
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<i className="ri ri-timer-fill opacity-60 text-xl"></i>
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{meta.ExposureTime} s
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</div>
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<div className="flex gap-2 p-4 rounded-xl bg-cyan-50">
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<i className="ri ri-contrast-fill opacity-60 text-xl"></i>
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ISO {meta.ISOSpeedRatings}
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</div>
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</div>
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)}
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<p>
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© 版权归创作者 {item.author || meta?.Artist || "奇趣保罗"}{" "}
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所有，未经许可严禁转载和使用。
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</p>
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</div>
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</div>
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</div>,
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document.body
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);
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}
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export default forwardRef(LightBox);
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export const useLightBox = () => {
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const lightBoxRef = useRef<LightBoxInst>(null);
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return {
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ref: lightBoxRef,
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open: (index: number) => {
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lightBoxRef.current?.open(index);
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},
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};
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};
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