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import React, { useEffect, useRef, useState } from "react";
import { type Stop } from "../data/StopDataProvider";
import StopGalleryItem from "./StopGalleryItem";
interface StopGalleryProps {
stops: Stop[];
title: string;
emptyMessage?: string;
}
const StopGallery: React.FC<StopGalleryProps> = ({
stops,
title,
emptyMessage,
}) => {
const scrollRef = useRef<HTMLDivElement>(null);
const [activeIndex, setActiveIndex] = useState(0);
useEffect(() => {
const element = scrollRef.current;
if (!element || stops.length === 0) {
return;
}
const handleScroll = () => {
const scrollLeft = element.scrollLeft;
const itemWidth = element.scrollWidth / stops.length;
const index = Math.round(scrollLeft / itemWidth);
setActiveIndex(index);
};
element.addEventListener("scroll", handleScroll);
return () => element.removeEventListener("scroll", handleScroll);
}, [stops.length]);
if (stops.length === 0 && emptyMessage) {
return (
<div className="w-full px-4 flex flex-col gap-2">
<h3 className="text-lg font-semibold text-gray-900 dark:text-gray-100">{title}</h3>
<div className="text-center">
<p className="text-sm px-4 py-3 bg-gray-100 dark:bg-gray-800 rounded-lg">
{emptyMessage}
</p>
</div>
</div>
);
}
if (stops.length === 0) {
return null;
}
return (
<div className="w-full px-4 flex flex-col gap-2">
<h3 className="text-lg font-semibold text-gray-900 dark:text-gray-100">{title}</h3>
<div
ref={scrollRef}
className="overflow-x-auto overflow-y-hidden snap-x snap-mandatory scrollbar-hide pb-2"
style={{
WebkitOverflowScrolling: 'touch',
scrollbarWidth: 'none',
msOverflowStyle: 'none'
}}
>
<div className="flex gap-3">
{stops.map((stop) => (
<StopGalleryItem key={stop.stopId} stop={stop} />
))}
</div>
</div>
<div className="flex justify-center gap-1.5 mt-1">
{stops.map((_, index) => (
<span
key={index}
className={`w-1.5 h-1.5 rounded-full transition-colors duration-200 ${index === activeIndex ? "bg-blue-600" : "bg-gray-300 dark:bg-gray-700"
}`}
></span>
))}
</div>
</div>
);
};
export default StopGallery;
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