96 lines
3.2 KiB
TypeScript
96 lines
3.2 KiB
TypeScript
import * as React from "react"
|
||
import Autoplay from "embla-carousel-autoplay"
|
||
import {
|
||
Carousel,
|
||
CarouselContent,
|
||
CarouselItem,
|
||
CarouselNext,
|
||
CarouselPrevious,
|
||
type CarouselApi,
|
||
} from "@/ui/carousel"
|
||
import { CardContent } from "@/ui/card"
|
||
import { cn } from "@/lib/utils"
|
||
|
||
type Slide = {
|
||
key?: React.Key
|
||
content: React.ReactNode
|
||
}
|
||
|
||
type CarouselPresetProps = {
|
||
slides: Slide[] //传入的轮播项
|
||
autoplayDelay?: number //自动轮播的间隔，默认为3000
|
||
showControls?: boolean //是否显示左右切换按钮
|
||
showIndicators?: boolean //是否显示底部的分页指示器
|
||
indicatorVariant?: "dot" | "pill" //分页指示器的样式，默认为"dot"，dot圆点，pill小胶囊
|
||
className?: string // 作用在最外层容器，用来定制整体尺寸/布局
|
||
contentClassName?: string //作用在内部的 CarouselContent 容器，可自定义内层排列方式（例如圆角、阴影等）
|
||
itemClassName?: string //作用在每个 CarouselItem 上，调整单个 slide 的额外样式（比如内边距、宽高）
|
||
}
|
||
|
||
export function CarouselPreset({
|
||
slides,
|
||
autoplayDelay = 3000,
|
||
showControls = true,
|
||
showIndicators = true,
|
||
indicatorVariant = "dot",
|
||
className,
|
||
contentClassName,
|
||
itemClassName,
|
||
}: CarouselPresetProps) {
|
||
const [api, setApi] = React.useState<CarouselApi>()
|
||
const [current, setCurrent] = React.useState(0)
|
||
const [count, setCount] = React.useState(0)
|
||
|
||
React.useEffect(() => {
|
||
if (!api) return
|
||
setCount(api.scrollSnapList().length)
|
||
setCurrent(api.selectedScrollSnap())
|
||
api.on("select", () => setCurrent(api.selectedScrollSnap()))
|
||
}, [api])
|
||
|
||
return (
|
||
<div className={cn("relative w-full h-full", className)}>
|
||
<Carousel
|
||
opts={{ loop: true }}
|
||
plugins={[Autoplay({ delay: autoplayDelay, stopOnInteraction: false })]}
|
||
setApi={setApi}
|
||
className="w-full h-full"
|
||
>
|
||
<CarouselContent className={cn("h-full w-full -ml-0", contentClassName)}>
|
||
{slides.map((slide, index) => (
|
||
<CarouselItem
|
||
key={slide.key ?? index}
|
||
className={cn("w-full h-full pl-0", itemClassName)}
|
||
>
|
||
<CardContent className="p-0 w-full h-full m-0">{slide.content}</CardContent>
|
||
</CarouselItem>
|
||
))}
|
||
</CarouselContent>
|
||
|
||
{showControls && (
|
||
<>
|
||
<CarouselPrevious className="absolute left-2 top-1/2 -translate-y-1/2 z-10" />
|
||
<CarouselNext className="absolute right-2 top-1/2 -translate-y-1/2 z-10" />
|
||
</>
|
||
)}
|
||
</Carousel>
|
||
|
||
{showIndicators && (
|
||
<div className="absolute bottom-4 right-4 flex gap-2 z-10">
|
||
{Array.from({ length: count }).map((_, index) => (
|
||
<button
|
||
key={index}
|
||
onClick={() => api?.scrollTo(index)}
|
||
className={cn(
|
||
"transition-colors bg-white/50 hover:bg-white",
|
||
indicatorVariant === "dot" ? "h-2 w-2 rounded-full" : "h-2 w-8 rounded",
|
||
index === current && "bg-white"
|
||
)}
|
||
aria-label={`第 ${index + 1} 张`}
|
||
/>
|
||
))}
|
||
</div>
|
||
)}
|
||
</div>
|
||
)
|
||
} |