406 lines
14 KiB
JavaScript
406 lines
14 KiB
JavaScript
'use client';
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import { useState, useEffect, useRef } from 'react';
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import { Swiper, SwiperSlide } from "swiper/react";
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import { Navigation, Pagination, Thumbs, FreeMode } from "swiper/modules";
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// 导入Swiper样式
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import "swiper/css";
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import "swiper/css/navigation";
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import "swiper/css/pagination";
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import "swiper/css/thumbs";
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import "swiper/css/free-mode";
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const ProductImageGallery = ({ data }) => {
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const [currentImageIndex, setCurrentImageIndex] = useState(0);
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const [thumbsSwiper, setThumbsSwiper] = useState(null);
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const thumbsSwiperRef = useRef(null);
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// 如果没有attachments，不显示组件
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if (!data?.attachments || data.attachments.length === 0) {
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return null;
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}
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// 找到主图在attachments中的索引
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const getMainImageIndex = () => {
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if (!data.image) return 0;
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const mainImageIndex = data.attachments.findIndex(
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attachment => attachment.file_url === data.image
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);
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return mainImageIndex >= 0 ? mainImageIndex : 0;
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};
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const mainImageIndex = getMainImageIndex();
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const currentImage = data.attachments[currentImageIndex]?.file_url || data.attachments[0]?.file_url;
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// 专门的缩略图滚动函数
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const scrollThumbnailToIndex = (index) => {
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console.log('滚动缩略图到索引:', index); // 调试信息
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if (thumbsSwiperRef.current && thumbsSwiperRef.current.swiper) {
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const swiper = thumbsSwiperRef.current.swiper;
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console.log('Swiper实例存在，开始滚动'); // 调试信息
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// 使用更简单的方法：直接滚动到指定索引
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try {
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swiper.slideTo(index, 300);
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console.log('滚动成功，目标索引:', index);
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} catch (error) {
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console.error('滚动失败:', error);
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}
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} else {
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console.log('Swiper实例不存在，thumbsSwiperRef:', thumbsSwiperRef.current);
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}
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};
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const changeMainImage = (direction) => {
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console.log('changeMainImage 被调用，方向:', direction); // 调试信息
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if (data.attachments.length <= 1) return;
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let newIndex;
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if (direction === 'next') {
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newIndex = (currentImageIndex + 1) % data.attachments.length;
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} else {
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newIndex = (currentImageIndex - 1 + data.attachments.length) % data.attachments.length;
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}
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console.log('新的索引:', newIndex, '当前索引:', currentImageIndex); // 调试信息
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setCurrentImageIndex(newIndex);
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// 自动滚动缩略图到对应位置
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setTimeout(() => {
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console.log('开始执行滚动，索引:', newIndex); // 调试信息
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scrollThumbnailToIndex(newIndex);
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}, 100);
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};
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const changeMainImageByIndex = (index) => {
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setCurrentImageIndex(index);
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// 智能滚动缩略图到可见区域
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setTimeout(() => {
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scrollThumbnailToIndex(index);
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}, 100);
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};
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// 初始化当前索引为主图索引
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useEffect(() => {
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setCurrentImageIndex(mainImageIndex);
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}, [mainImageIndex]);
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// 键盘导航支持
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useEffect(() => {
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const handleKeyDown = (event) => {
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if (data.attachments.length <= 1) return;
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switch (event.key) {
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case 'ArrowLeft':
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event.preventDefault();
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changeMainImage('prev');
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break;
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case 'ArrowRight':
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event.preventDefault();
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changeMainImage('next');
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break;
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case 'Home':
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event.preventDefault();
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setCurrentImageIndex(0);
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setTimeout(() => scrollThumbnailToIndex(0), 100);
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break;
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case 'End':
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event.preventDefault();
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setCurrentImageIndex(data.attachments.length - 1);
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setTimeout(() => scrollThumbnailToIndex(data.attachments.length - 1), 100);
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break;
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default:
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break;
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}
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};
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// 添加键盘事件监听器
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document.addEventListener('keydown', handleKeyDown);
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return () => {
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document.removeEventListener('keydown', handleKeyDown);
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};
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}, [data.attachments.length]);
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// 缩略图导航控制 - 移除这些函数，不再需要
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// const goToPrevThumbs = () => {
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// if (thumbsSwiperRef.current && thumbsSwiperRef.current.swiper) {
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// thumbsSwiperRef.current.swiper.slidePrev();
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// }
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// };
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// const goToNextThumbs = () => {
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// if (thumbsSwiperRef.current && thumbsSwiperRef.current.swiper) {
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// if (thumbsSwiperRef.current && thumbsSwiperRef.current.swiper) {
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// thumbsSwiperRef.current.swiper.slideNext();
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// }
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// }
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// };
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return (
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<div className="w-full md:w-120 flex justify-center md:justify-start mb-4 md:mb-0 max-w-full">
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<div className="relative w-full max-w-[320px] md:max-w-full">
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{/* 主图显示区域 */}
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<div className="relative overflow-hidden rounded-xl shadow-lg mb-6 group/main-image">
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<img
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src={currentImage}
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alt={data?.title || 'Product Image'}
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className="w-full max-w-[320px] md:max-w-full object-contain"
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loading="lazy"
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/>
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{/* 图片计数器 */}
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{data.attachments.length > 1 && (
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<div className="absolute bottom-3 right-3 bg-black/60 text-white text-xs px-2 py-1 rounded-full backdrop-blur-sm">
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{currentImageIndex + 1} / {data.attachments.length}
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</div>
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)}
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{/* 导航箭头 - 悬浮时显示 */}
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{data.attachments.length > 1 && (
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<>
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<button
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className="absolute left-2 top-1/2 transform -translate-y-1/2 w-12 h-12 bg-white/40 backdrop-blur-md rounded-full border-0 flex items-center justify-center shadow-[0_8px_32px_rgba(0,0,0,0.08)] hover:bg-white/60 hover:shadow-[0_12px_40px_rgba(0,0,0,0.12)] transition-all duration-500 ease-out z-10 focus:outline-none focus:ring-2 focus:ring-white/30 focus:ring-offset-2 focus:ring-offset-transparent opacity-0 group-hover/main-image:opacity-100 scale-90 group-hover/main-image:scale-100"
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onClick={() => changeMainImage('prev')}
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aria-label={`上一张图片 (${currentImageIndex === 0 ? data.attachments.length : currentImageIndex} / ${data.attachments.length})`}
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title="上一张图片 (←)"
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>
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<svg
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className="w-5 h-5 text-gray-700 hover:text-gray-900 transition-all duration-500 ease-out hover:scale-110"
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fill="none"
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stroke="currentColor"
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viewBox="0 0 24 24"
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strokeWidth={1.5}
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strokeLinecap="round"
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strokeLinejoin="round"
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>
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<path d="M15 18l-6-6 6-6" />
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</svg>
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</button>
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<button
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className="absolute right-2 top-1/2 transform -translate-y-1/2 w-12 h-12 bg-white/40 backdrop-blur-md rounded-full border-0 flex items-center justify-center shadow-[0_8px_32px_rgba(0,0,0,0.08)] hover:bg-white/60 hover:shadow-[0_12px_40px_rgba(0,0,0,0.12)] transition-all duration-500 ease-out z-10 focus:outline-none focus:ring-2 focus:ring-white/30 focus:ring-offset-2 focus:ring-offset-transparent opacity-0 group-hover/main-image:opacity-100 scale-90 group-hover/main-image:scale-100"
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onClick={() => changeMainImage('next')}
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aria-label={`下一张图片 (${currentImageIndex === data.attachments.length - 1 ? 1 : currentImageIndex + 2} / ${data.attachments.length})`}
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title="下一张图片 (→)"
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>
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<svg
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className="w-5 h-5 text-gray-700 hover:text-gray-900 transition-all duration-500 ease-out hover:scale-110"
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fill="none"
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stroke="currentColor"
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viewBox="0 0 24 24"
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strokeWidth={1.5}
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strokeLinecap="round"
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strokeLinejoin="round"
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>
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<path d="M9 18l6-6-6-6" />
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</svg>
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</button>
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</>
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)}
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</div>
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{/* 缩略图列表 - 使用Swiper实现最佳滚动效果 */}
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{data.attachments.length > 1 && (
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<div className="relative">
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<Swiper
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ref={thumbsSwiperRef}
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onSwiper={setThumbsSwiper}
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spaceBetween={16}
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slidesPerView="auto"
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freeMode={true}
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watchSlidesProgress={true}
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modules={[FreeMode, Navigation, Pagination]}
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className="thumbs-swiper"
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grabCursor={true}
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resistance={true}
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resistanceRatio={0.85}
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breakpoints={{
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0: { slidesPerView: 3, spaceBetween: 12 },
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480: { slidesPerView: 4, spaceBetween: 16 },
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768: { slidesPerView: 5, spaceBetween: 16 },
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1024: { slidesPerView: 6, spaceBetween: 16 }
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}}
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>
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{data.attachments.map((attachment, index) => (
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<SwiperSlide
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key={index}
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className="!w-16 !h-16"
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onClick={() => changeMainImageByIndex(index)}
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>
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<div
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className={`w-full h-full rounded-lg overflow-hidden cursor-pointer transition-all duration-300 hover:scale-105 focus-within:ring-2 focus-within:ring-blue-500 focus-within:ring-offset-2 ${
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index === currentImageIndex
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? 'border-2 border-blue-500 ring-2 ring-blue-200'
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: 'border border-gray-200 hover:border-gray-300'
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}`}
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tabIndex={0}
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role="button"
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aria-label={`查看图片 ${index + 1} / ${data.attachments.length}`}
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onKeyDown={(e) => {
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if (e.key === 'Enter' || e.key === ' ') {
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e.preventDefault();
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changeMainImageByIndex(index);
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}
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}}
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>
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<img
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src={attachment.file_url}
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alt={`${data?.title || 'Product'} - ${index + 1}`}
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className="w-full h-full object-cover"
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loading="lazy"
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onError={(e) => {
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console.error('Image load error:', attachment.file_url);
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e.target.style.display = 'none';
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}}
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/>
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{/* 缩略图加载状态指示 */}
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<div className="absolute inset-0 bg-gray-100 flex items-center justify-center opacity-0 group-hover:opacity-100 transition-opacity duration-200">
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<div className="w-4 h-4 border-2 border-gray-300 border-t-blue-500 rounded-full animate-spin"></div>
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</div>
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</div>
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</SwiperSlide>
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))}
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</Swiper>
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</div>
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)}
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</div>
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{/* 内联样式 */}
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<style jsx>{`
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/* 缩略图悬停效果 */
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.thumbs-swiper .swiper-slide {
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transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
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}
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.thumbs-swiper .swiper-slide:hover {
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transform: scale(1.05);
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}
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/* 当前选中的缩略图样式 */
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.border-2.border-blue-500 {
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border-color: #3b82f6;
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}
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.ring-2.ring-blue-200 {
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box-shadow: 0 0 0 2px rgba(191, 219, 254, 0.5);
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}
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/* 导航按钮样式增强 */
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.backdrop-blur-sm {
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backdrop-filter: blur(8px);
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-webkit-backdrop-filter: blur(8px);
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}
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.group:hover .backdrop-blur-sm {
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backdrop-filter: blur(12px);
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-webkit-backdrop-filter: blur(12px);
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}
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/* 响应式优化 */
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@media (max-width: 768px) {
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.thumbs-swiper .swiper-slide {
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width: 4rem !important;
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height: 4rem !important;
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}
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}
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/* 隐藏Swiper默认滚动条 */
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.thumbs-swiper .swiper-scrollbar {
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display: none;
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}
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/* 优化Swiper滑动体验 */
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.thumbs-swiper {
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touch-action: pan-y pinch-zoom;
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-webkit-user-select: none;
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-moz-user-select: none;
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-ms-user-select: none;
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user-select: none;
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}
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.thumbs-swiper .swiper-slide {
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touch-action: manipulation;
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}
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/* 加载状态动画 */
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@keyframes spin {
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to {
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transform: rotate(360deg);
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}
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}
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.animate-spin {
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animation: spin 1s linear infinite;
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}
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/* 焦点状态优化 */
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.focus-within\\:ring-2:focus-within {
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--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);
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--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);
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box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow, 0 0 #0000);
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}
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.focus-within\\:ring-blue-500:focus-within {
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--tw-ring-opacity: 1;
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--tw-ring-color: rgb(59 130 246 / var(--tw-ring-opacity));
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}
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.focus-within\\:ring-offset-2:focus-within {
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--tw-ring-offset-width: 2px;
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}
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/* 触摸设备优化 */
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@media (hover: none) and (pointer: coarse) {
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.thumbs-swiper .swiper-slide:hover {
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transform: none;
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}
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}
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/* 强制导航箭头为圆形 */
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.group\/main-image button {
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border-radius: 50% !important;
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-webkit-border-radius: 50% !important;
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}
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/* 高对比度模式支持 */
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@media (prefers-contrast: high) {
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.border-gray-200 {
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border-color: #000;
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}
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.border-blue-500 {
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border-color: #0066cc;
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}
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.text-gray-600 {
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color: #000;
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}
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}
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/* 减少动画偏好 */
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@media (prefers-reduced-motion: reduce) {
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.thumbs-swiper .swiper-slide,
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.backdrop-blur-sm {
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transition: none;
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}
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.animate-spin {
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animation: none;
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}
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}
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`}</style>
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</div>
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);
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};
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export default ProductImageGallery;
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